HCD-XB33K/XB44K SERVICE MANUAL COMPACT DISC DECK RECEIVER MICROFILM Model Name Using Similar Mechanism HCD-D290/ G3300/XB3 CD Mechanism Type CDM37L-5BD29AL Base Unit Name BU-5BD29AL Optical Pick-up Name KSS-213D/Q-NP Model Name Using Similar Mechanism HCD-D290/ G3300/XB3 Tape Transport Mechanism Type TCM-220WR2 — Continued on next page — SPECIFICATIONS E Model Photo: HCD-XB44K AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION: With 8 ohm loads, both channels driven, from 70-20,000 Hz; rated 100 watts per channel minimum RMS power, with no more than 0.9 % total harmonic distortion from 250 milliwatts to rated output. Amplifier section (HCD-XB33K) The following measured at AC 120/240 V, 50 Hz DIN power output (Rated): 100 + 100 watts (6 ohms at 1 kHz, DIN) Continuous RMS power output (Reference): 120 + 120 watts (6 ohms at 1 kHz, 10% THD) Peak music power potput (Reference): 1,500 watts (HCD-XB44K) The following measured at AC 120/240 V, 50 Hz DIN power output (Rated): 120 + 120 watts (6 ohms at 1 kHz, DIN) Continuous RMS power output (Reference): 140 + 140 watts (6 ohms at 1 kHz, 10% THD) Peak music power output (Reference): 2,000 watts Inputs PHONO IN (phono jacks): sensitivity 3 mV, impedance 47 kilohms MIX MIC (phone jack): sensitivity 1 mV, impedance 10 kilohms VIDEO/MD (AUDIO) IN (phono jacks): sensitivity 250 mV, impedance 47 kilohms Outputs PHONES (stereo phone jack): accepts headphones of 8 ohms or more VIDEO/MD (AUDIO) OUT (phono jacks): voltage 250 mV, impedance 1 kilohm SPEAKER: impedance of 6 to 16 ohms SURROUND SPEAKER: accepts impedance of 16 ohms (HCD-XB33K) * Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation. “DOLBY” and the double-D symbol a are trademarks of the Dolby Laboratories Licensing Corporation. CD Section Tape Deck Section
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HCD-XB33K/XB44KSERVICE MANUAL
COMPACT DISC DECK RECEIVER
MICROFILM
Model Name Using Similar Mechanism HCD-D290/
G3300/XB3
CD Mechanism Type CDM37L-5BD29AL
Base Unit Name BU-5BD29AL
Optical Pick-up Name KSS-213D/Q-NP
Model Name Using Similar Mechanism HCD-D290/
G3300/XB3
Tape Transport Mechanism Type TCM-220WR2
— Continued on next page —
SPECIFICATIONS
E Model
Photo: HCD-XB44K
AUDIO POWER SPECIFICATIONSPOWER OUTPUT AND TOTAL HARMONIC DISTORTION:With 8 ohm loads, both channels driven, from 70-20,000 Hz; rated 100watts per channel minimum RMS power, with no more than 0.9 % totalharmonic distortion from 250 milliwatts to rated output.
Amplifier section
(HCD-XB33K)The following measured at AC 120/240 V, 50 HzDIN power output (Rated):
100 + 100 watts (6 ohms at 1 kHz, DIN)Continuous RMS power output (Reference):
120 + 120 watts(6 ohms at 1 kHz, 10% THD)
Peak music power potput (Reference):1,500 watts
(HCD-XB44K)The following measured at AC 120/240 V, 50 HzDIN power output (Rated):
120 + 120 watts (6 ohms at 1 kHz, DIN)Continuous RMS power output (Reference):
140 + 140 watts(6 ohms at 1 kHz, 10% THD)
Peak music power output (Reference):2,000 watts
InputsPHONO IN (phono jacks):
sensitivity 3 mV, impedance 47 kilohmsMIX MIC (phone jack): sensitivity 1 mV, impedance 10 kilohmsVIDEO/MD (AUDIO) IN (phono jacks):
sensitivity 250 mV, impedance 47 kilohms
OutputsPHONES (stereo phone jack):
accepts headphones of 8 ohms or moreVIDEO/MD (AUDIO) OUT (phono jacks):
voltage 250 mV, impedance 1 kilohmSPEAKER: impedance of 6 to 16 ohmsSURROUND SPEAKER: accepts impedance of 16 ohms(HCD-XB33K)
*Dolby noise reduction manufactured under licensefrom Dolby Laboratories Licensing Corporation.“DOLBY” and the double-D symbol a aretrademarks of the Dolby Laboratories LicensingCorporation.
CDSection
Tape DeckSection
CD player sectionSystem Compact disc and digital audio systemLaser Semiconductor laser (λ = 780nm).
Emissionduration: continuous
Laser output Max. 44.6µW**This output is the value measured at a distanceof 200 mm from the objective lens surface onthe Optical Pick-up Block with 7 mm aperture.
Wavelength 780 – 790 nmFrequency response 2 Hz – 20 kHz (±0.5 dB)Signal-to-noise ratio More than 90 dBDynamic range More than 90 dBCD DIGITAL OUT(square optical connector jack, rear panel)Wave length: 600 nmOutput level: – 18 dBm
Tape player sectionRecording system 4-track 2-channel stereoFrequency response (DOLBY NR OFF)
60 – 13,000 Hz (±3 dB), using a SonyTYPE I cassette60 – 14,000 Hz (±3 dB), using a SonyTYPE II cassette
Tuner sectionFM stereo, FM/AM superheterodyne tunerFM tuner sectionTuning range(2 band model)Antenna FM wire antennaAntenna terminals 75 ohm unbalancedIntermediate frequency 10.7 MHz
AM tuner sectionTuning range 531 – 1,602 kHz
(with the tuning interval set at 9 kHz)530 – 1,710 KHz(with the tuning interval set at 10 kHz)
Antenna AM loop antenna, External antenna terminalsIntermediate frequency 450 kHz
GeneralPower requirementsOther models: 110 – 120 V or 220 – 240 V
AC, 50/60 Hz Adjustable with voltage selectorPower consumption(HCD-XB33K): 240 watts(HCD-XB44K): 250 watts
Dimensions (w/h/d) Approx. 355 x 425 x 435 mm (14 x 16 3/4 x 171/4 in) incl. projecting parts and controls
Mass Approx. 14.0 kg (30 lb 14 oz.)
Supplied accessories: AM loop antenna (1)Remote RM-SD70S (1)Size AA (R6) batteries (2)FM wire antenna (1)Speaker cords* (HCD-XB44K) (2)
Design and specifications are subject to change without notice.
— 2 —
This appliance is classified as a CLASS 1 LASER product. TheCLASS 1 LASER PRODUCT MARKING is located on the rearexterior.
The following caution label is located inside the unit.
Laser component in this product is capableof emitting radiation exceeding the limit forClass 1.
CAUTIONUse of controls or adjustments or performance of proceduresother than those specified herein may result in hazardous radiationexposure.
Notes on chip component replacement• Never reuse a disconnected chip component.• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Flexible Circuit Board Repairing• Keep the temperature of soldering iron around 270˚C
during repairing.• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).• Be careful not to apply force on the conductor when soldering
or unsoldering.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITHMARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTSLIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESECOMPONENTS WITH SONY PARTS WHOSE PART NUMBERSAPPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTSPUBLISHED BY SONY.
— 3 —
TABLE OF CONTENTS
1. GENERAL– FRONT PANEL – ···························································· 5– BACK PANEL – ······························································ 6
8. ELECTRICAL PARTS LIST ······································ 88
— 4 —
SERVICING NOTES
The laser diode in the optical pick-up block may suffer electrostaticbreak-down because of the potential difference generated by thecharged electrostatic load, etc. on clothing and the human body.During repair, pay attention to electrostatic break-down and alsouse the procedure in the printed matter which is included in therepair parts.The flexible board is easily damaged and should be handled withcare.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused onthe disc reflective surface by the objective lens in the optical pick-up block. Therefore, when checking the laser diode emission,observe from more than 30 cm away from the objective lens.
MODEL IDENTIFICATION– BACK PANEL –
NOTES ON HANDLING THE OPTICAL PICK-UPBLOCK OR BASE UNIT
PARTS No.
MODEL PARTS No.
XB33K: SP, MY model 4-996-410-1π
XB33K: E model 4-996-410-6π
XB33K: EA model 4-996-410-7π
XB44K: SP, MY model 4-996-412-1π
XB44K: E, IA model 4-996-412-6π
XB44K: EA model 4-996-412-7π
— 5 —
– FRONT PANEL –
SECTION 1
GENERAL
1 2 3 4 6 7
8 9
%ª º̂
%¶ %•
%§
5
!º !¡
!™
!∞
!•
!£ !¢
@¡ @™ @£
#¡ #™ #£
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¡̂ ™̂ £̂ ¢̂
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B
BA
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@ª #ºsee B
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%£
%¡ %™
$§
$£$¢
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$ª$• %º
Asee A
1 POWER button2 DISPLAY/DEMO button3 SPECTRUM ANALYZER button4 ENTER/NEXT button5 TUNER MEMORY button6 TUNING MODE button7 TUNER/BAND button8 TUNING – button9 TUNING + button!º PTY button (AEP, UK model)!¡ STEREO/MONO button!™ EFFECT button!£ GROOVE button!¢ FUNCTION button!∞ VOLUME knob!§ SUPER WOOFER button!¶ SUPER W MODE (XB44K model)!• GEQ button!ª DECK B ª (play) button@º DECK B · (play) button@¡ DECK B p (stop) button@™ DECK B 0 (backward) button@£ DECK B ) (forward) button@¢ DECK B P (pause) button
@∞ DECK B r REC button@§ H SPEED DUB button@¶ CD SYNC button@• DECK B 6 EJECT button@ª CD 6 OPEN button#º CD · (play) button#¡ DISK SKIP button#™ CD P (pause) button#£ CD p (stop) button#¢ CD ) (forward) button#∞ ≠ AMS ± knob#§ CD 0 (backward) button#¶ FLASH button#• LOOP button#ª NON-STOP button$º DISC 1 button$¡ DISC 2 button$™ DISC 3 button$£ DISC 4 button$¢ DISC 5 button$∞ DECK A 6 EJECT button$§ DIRECTION button$¶ DOLBY NR button$• DECK A p (stop) button
$ª DECK A 0 (backward) button%º DECK A ) (forward) button%¡ DECK A ª (play) button%™ DECK A · (play) button%£ PHONES jack%¢ MIC1, MIC2 jack%∞ MIC LEVEL, ECHO LEVEL knob%§ SLEEP button%¶ DAILY 1 button%• DAILY 2 button%ª t / CLOCK SET button^º REC button^¡ WAVE button^™ SURROUND button^£ P FILE MEMORY button^¢ GEQ CONTROL button^∞ ENTER button^§ KEY CONTROL (n) button^¶ KEY CONTROL (˜) button^• KARAOKE PON/MPX button^ª PLAY MODE button&º REPEAT button&¡ EDIT button&™ 1/ALL DISCS button
— 6 —
– BACK PANEL –
⁄‚⁄
⁄‚‡
⁄‚fl
⁄‚fi
⁄‚›
⁄‚¤
⁄‚‹
IN
OUT
⁄‚⁄ ANTENNA terminal⁄‚¤ VOLTAGE SELECTOR switch (E, AR model)⁄‚‹ SPEAKER terminal⁄‚› SURROUND SPEAKER terminal (XB33K model)⁄‚fi VIDEO/MD (AUDIO) jack⁄‚fl PHONO jack⁄‚‡ CD DIGITAL OUT connector
— 7 —
This section is extractedfrom instruction manual.
— 8 —
— 9 —
— 10 —
SECTION 2
DISASSEMBLY
• This set can be disassembled in the order shown below.
2-1. UPPER CASE
Note: Follow the disassembly procedure in the numerical order given.
MAIN BOARD/KEY CONBOARD(Page 11)
CD LID ASSY SECTION(Page 14)
TAPE MECHANISMDECK SECTION(Page 13)
MAINSECTION(Page 12)
AUDIO BOARD(Page 17)
CASSETTELID ASSY(Page 13)
CD MECHANISMDECK SECTION(Page 12)
DISC TABLE(Page 15)
BASE UNIT(Page 15)
BD BOARD(Page 16)
PANEL (A)/(B)SUB ASSY(Page 14)
CAPSTAN MOTOR(Page 17)
OPTICALPICK-UP(Page 16)
SLEDMOTOR(Page 16)
FRONT PANELSECTION(Page 11)
UPPERCASE(Page 10)
3 Upper case 1 Three screws (case 3 point)
1 Three screws (case 3 point)
2 Seven screws (BVTT 3 × 6)
— 11 —
2-2. FRONT PANEL SECTION
2-3. MAIN BOARD/KEY-CON BOARD6 Back panel
5 Power cord
3 Connector (CN901)
2 Connector (CN203)
1 Two flat wires (CN1,202)
7 Two screws (BVTP 3 × 8)
4 Twelve screws (BVTP 3 × 8)
Fan is for (XB44K)
8 Connector (CN101)
9 Connector (CN105) (XB44K)
0 MAIN board
!¡ KEY-CON board
IC201
(Remove soldering)
1 Three flat wires (CN102, 205, 206)
2 Four screws (BVTP 3 x 8)
3 Front panel section
— 12 —
2-4. MAIN SECTION
2-5. CD MECHANISM DECK SECTION
1 Flat wire (CN202)
4 Main section
2 Connector (CN203)
3 Screw (BVTP 3 × 8)
3 Two screws (BVTP 3 × 8)
3 Two screws (BVTP 3 × 8)
3 Five screws (BVTP 3 × 8)
4 CD mechanism deck section
2 Flat wire and lead wire
1 Open the clamp.
— 13 —
2-6. TAPE MECHANISM DECK SECTION
2-7. CASSETTE LID ASSY
5 Remove the tape mechanism deck section to direction of the arrow A.
4 Three screws (BVTP 2.6 × 8)
3 Two flat wires (CN601, 1001)
4 Three screws (BVTP 2.6 × 8)
2 Open the cassette lid.
1 Push the two buttons.
A
2 Two screws (BVTP 2.6 × 8)
3 Two brackets
1 Two springs
4 Cassette lid assy
— 14 —
6 Four screws (BVTP 2.6 × 8)
2 Four screws (BVTP 2.6 × 8)
5 Connector (CN671)
4 Connector (CN661)
1 Connector (CN642)
7 CD lid assy
3 CD-B1 SW board
1 Connector (CN612)
2 Four screws (BVTP 2.6 × 8)
6 Panel (B) sub assy
4 Panel (A) sub assy
5 Two claws
3 Two claws
2-8. CD LID ASSY SECTION
2-9. PANEL (A) / (B) SUB ASSY
— 15 —
3 Base unit
1 Yoke bracket
2 Boss
1 Screw (BVTP 3 × 8)
1 Screw (BVTP 3 × 8) 4 Disc table
3 Step screw
2 Bracket (BU)
A
A
2-10. BASE UNIT
2-11. DISC TABLE
Note:When the disc table is installed, adjust the positionsof roller cam and mark z as shown in the figure,then set to the groove of disc table.
— 16 —
1 Two screws (PTPWH M2.6 × 6)
1 Two screws (PTPWH M2.6 × 6)
5 Screw (BVTP 2.6 × 8)
2 Optical pick-up section
3 Two springs
3 Two springs
4 Flat wire (CN101)
7 BD board
Limit switch
6 Removal the four solders.
2-12. BD BOARD
2-13. OPTICAL PICK-UP, SLED MOTOR
4 Two screws (P 2 × 3)
5 Sled motor
2 Sled shaft
1 Claw
3 Optical pick-up
— 17 —
2 Two screws (BTP 2.6 × 8)
5 Hang the two belts.
4 Removal the capstan motor to direction of the arrow.
1 Break the soldering of motor lead.
3 Claw
2-14. AUDIO BOARD
2-15. CAPSTAN MOTOR
2 Two rivets
3 Break the soldering of two flexible flat cables.
1 Connector (CN651)
4 Four screws (BTP 2.6 × 4)
5 Audio board
— 18 —
SECTION 3
TEST MODE
[LED and Fluorescent Indicator Tube All Lit, Key CheckMode]Procedure:1. Press three buttons GROOVE , ENTER/NEXT , and DISC 3
simultaneously.2. LEDs and fluorescent indicator tube are all turned on.
Press DISC 2 button, and the key check mode is activated.3. In the key check mode, the fluorescent indicator tube displays
“K 1 J0 V0”. Each time a button is pressed, “K”value increases.However, once a button is pressed, it is no longer taken intoaccount.“J” Value increases like 1, 2, 3 ... if rotating≠ AMS ± knob in “+” direction, or it decreases like 0,9, 8 ... if rotating in “–” direction.“V” Value increases like 1, 2, 3 ... if rotating VOLUME knobin “+” direction, or it decreases like 0, 9, 8 ... if rotating in “–”direction.
4. To exit from this mode, press three buttons in the same manneras step 1, or disconnect the power cord.
[MC Cold Reset]• The cold reset clears all data including preset data stored in the
RAM to initial conditions. Execute this mode when returning theset to the customer.
Procedure:1. Press three buttons GROOVE , ENTER/NEXT , and
DISC 1 simultaneously.2. The fluorescent indicator tube becomes blank instantaneously,
and the set is reset.
[CD Delivery Mode]• This mode moves the pickup to the position durable to vibration.
Use this mode when returning the set to the customer after repair.Procedure:1. Press POWER button to turn the set ON.2. Press PLAY MODE button and POWER button simulta-
neously.3. A message “LOCK” is displayed on the fluorescent indicator
tube, and the CD delivery mode is set.
[MC Hot Reset]• This mode resets the set with the preset data kept stored in the
memory. The hot reset mode functions same as if the power cordis plugged in and out.
Procedure:1. Press three buttons GROOVE , ENTER/NEXT , and
DISC 2 simultaneously.2. The fluorescent indicator tube becomes blank instantaneously,
and the set is reset.
[Sled Servo Mode]• This mode can run the CD sled motor freely. Use this mode, for
instance, when cleaning the pickup.Procedure:1. Select the function “CD”.2. Press three buttons GROOVE , ENTER/NEXT , and
FLASH simultaneously.3. The Sled Servo mode is selected, if “CD” is flashing on the
fluorescent indicator tube.4. With the CD in stop status, press ) button in CD section to
move the pickup to outside track, or 0 button to inside track.5. To exit from this mode, perform as follows:
1) Move the pickup to the most inside track.2) Press three buttons in the same manner as step 2.
Note:• Always move the pickup to most inside track when exiting from
this mode. Otherwise, a disc will not be unloaded.• Do not run the sled motor excessively, otherwise the gear can be
chipped.
[Change-over of AM Tuner Step between 9kHz and 10kHz]• A step of AM channels can be changed over between 9kHz and
10kHz.Procedure:1. Press POWER button to turn the set ON.2. Select the function “TUNER”, and press TUNER/BAND
button to select the BAND “AM”.3. Press POWER button to turn the set OFF.4. Press ENTER/NEXT and POWER buttons simultaneously,
and the display of fluorescent indicator tube changes to “AM9k STEP” or “AM 10k STEP”, and thus the channel step ischanged over.
— 19 —
8. To exit from the aging mode, press POWER button to turnthe set OFF.
2-2. Operation during Aging ModeIn the aging mode, the program is executed in the followingsequence.
1. A tape on FWD side is played for one minute.2. PAUSE STOP is made.3. Recording is made for 3 minutes. (For the deck not having
the record function, the play is executed.)4. FF is executed up to the end of tape.5. A tape is reversed, and the tape on REV side is played for
one minute.6. PAUSE STOP is made.7. Recording is made for 3 minutes. (For the deck not having
the record function, the play is executed.)8. FF is executed up to the end of tape.9. Steps 1 through 8 are executed for the other deck.10. Steps 1 through 9 are repeated unless an alarm occurred.
2-3. Deck Selection Sequence• During the aging mode, decks are selected in the following
sequence:Deck A (FWD) → Deck A (REV)
↑ ↓Deck B (REV) ← Deck B (FWD)
[Aging Mode]This mode can be used for operation check of CD section and tapedeck section.• If an error occurred:
The aging operation stops.• If no error occurs:
The aging operation continues repeatedly.
1. Aging Mode in CD Section1-1. Operating Method of Aging Mode
1. Set discs in DISC 1 and DISC 3 trays.2. Select the function “CD”.3. Press three buttons GROOVE , ENTER/NEXT , and
DISC 5 simultaneously.4. The aging mode is activated, if a roulette mark on the
fluorescent indicator tube is flashing.5. In the aging mode, the aging is executed in a sequence given
in “1-2. Operation during Aging Mode”.The aging continues unless an alarm occurred.
6. To exit from the aging mode, press POWER button to turnthe set OFF.
• If a button other than buttons in the CD section is pressed duringaging, the aging in the CD section is finished.
• To execute aging to the tape deck section successively, press ·
button in the deck A.“AGING” is displayed on the fluorescent indicator tube. (For theaging in tape deck, see “2. Aging Mode in Tape Deck Section”.
1-2. Operation during aging ModeIn the aging mode, the program is executed in the followingsequence.
1. The disc tray turns to select a disc. (For a disc selectionsequence, see Section 1-3.)
2. TOC of disc is read.3. The pickup accesses to the last track.4. Steps 1 through 3 are repeated.
1-3. Disc Selection Sequence• During the aging mode, discs are selected in the following
sequence:Disc 1 → Disc 3 ↑ ↓
Disc 3 ← Disc 1
2. Aging Mode in Tape Deck Section2-1. Operating Method of Aging Mode
1. Load a commercially available 10-minute tape into the decksA and B respectively.(If a 10-minute tape is not available, another tape may beused but a cycle time will be longer.)
2. Select the function “TAPE”.3. Rewind tapes in advance by pressing 0 button
respectively on decks A and B.4. Press three buttons GROOVE , ENTER/NEXT , and
DISC 5 simultaneously.5. Press · button on deck A. (This button triggers the aging
mode.)6. The aging mode is activated if “AGING A” is displayed on
the fluorescent indicator tube.7. In the aging mode, the aging is executed in a sequence given
in “2-2. Operation during Aging Mode”.The aging continues unless an alarm occurred.
— 20 —
SECTION 4MECHANICAL ADJUSTMENTS
SECTION 5ELECTRICAL ADJUSTMENTS
DECK SECTIONPRECAUTION1. Clean the following parts with a denatured-alcohol-moistened
swab:record/playback head pinch rollererase head rubber beltscapstan idlers
2. Demagnetize the record/playback head with a headdemagnetizer.
3. Do not use a magnetized screwdriver for the adjustments.4. After the adjustments, apply suitable locking compound to the
parts adjusted.5. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.
• Torque Measurement
• Tape Tension Measurement
Mode Torque Meter Meter Reading
Forward CQ-102C36 to 61g·cm
(0.50 – 0.84 oz·inch)
ForwardCQ-102C
2 to 6g·cmBack Tension (0.026 – 0.082 oz·inch)
Reverse CQ-102RC36 to 61g·cm
(0.50 – 0.84 oz·inch)
ReverseCQ-102RC
2 to 6g·cmBack Tension (0.026 – 0.082 oz·inch)
FF, REW CQ-201B61 to 143g·cm
(0.85 – 1.98 oz·inch)
Mode Tension Meter Meter ReadingForward CQ-403A more than 100g (3.52 oz)
Reverse CQ-403R more than 100g (3.52 oz)
0dB=0.775V
1. Demagnetize the record/playback head with a headdemagnetizer. (Do not bring the head demagnetizer close tothe erase head.)
2. Do not use a magnetized screwdriver for the adjustments.3. After the adjustments, apply suitable locking compound to the
parts adjust.4. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.5. The adjustments should be performed in the order given in this
service manual. (As a general rule, playback circuit adjustmentshould be completed before performing recording circuitadjustment.)
6. The adjustments should be performed for both L-CH and R-CH.
7. Switches and controls should be set as follows unless otherwisespecified.
8. Set to test mode. (Press key switch same time GROOVEENTER/NEXT and DISC 4 button.)
• Test Tape
Tape Signal Used for
P-4-A100 10kHz, –10 dB Azimuth Adjustment
WS-48B 3kHz, 0dB Tape Speed Adjustment
P-4-L300 315Hz, 0dB Level Adjustment
Record/Playback Head Azimuth Adjustment
DECK A DECK B
Note: Perform this adjustments for both decks
Procedure:1. Mode: Playback (FWD)
set
main boardCN207Pin 1 (L-CH)Pin 3 (R-CH)
main boardCN207Pin 2
+–
level meter
test tapeP-4-A100(10KHz, –10dB)
— 21 —
2. Turn the adjustment screw and check output peaks. If the peaksdo not match for L-CH and R-CH, turn the adjustment screw sothat outputs match within 1dB of peak.
3. Mode: Playback (FWD)
4. Repeat steps 1 to 3 in playback (REV) mode.5. After the adjustments, apply suitable locking compound to the
pats adjusted.Adjustment Location: Record/Playback Head (Deck A and B)
and main board.
Tape Speed Adjustment DECK ANotes: • Start the Tape Speed adjustment as below after setting to the test
mode.• In the test mode, the tape speed is high during pressing the
H. SPEED DUB button.Procedure:1. Turn the power switch on.2. Press the GROOVE button, ENTER/NEXT button and
DISC 4 button simultaneously.To exit from the test mode, press the POWER button.
Mode: Playback (FWD)
Deck A is RV311 (L-CH) and RV411 (R-CH), Deck B is RV301(L-CH) and RV401 (R-CH) so that adjustment within adjustmentlevel as follows.Adjustment Level:CN207 PB level: 301.5 to 338.3 mV (–8.2 to –7.2 dB) leveldifference between the channels: within ±0.5 dBAdjustment Location: AUDIO and main boards
1. Insert the WS-48B into the deck A and the blank tape into thedeck B.
2. Press the REC button and · button on the deck B. Thenthe deck B is at recording mode.
3. Set the deck A to playback mode.4. Keep pressing the H. SPEED DUB button in playback mode.
Then at HIGH speed mode.5. Adjust RV652 on the AUDIO board do that frequency counter
reads 6,000 ± 180 Hz.6. Take off the H. SPEED DUB button.
Then at NORMAL speed mode.7. Adjust RV651 on the AUDIO board so that frequency counter
reads 3,000 ± 90 Hz.8. Frequency difference between deck A and deck B the beginning
of the tape should be within ± 1.5%.Adjustment Location: AUDIO board
Screwposition
L-CHpeak
within1dB
outputlevel
L-CHpeak
R-CHpeak
within1dB
Screwposition
R-CHpeak
mainboardCN207set
test tapeP-4-A100(10kHz, –10dB)
pin 3
oscilloscope
L-CH
R-CH
V H
waveform of oscilloscope
in phase 45° 90° 135° 180°
good wrong
pin 2
pin 1
L
R
reverse
forward
+–
set
test tapeWS-48B (3 kHz, 0 dB)
main boardCN207 (Pin 1 : L-CH)
(Pin 3 :R-CH)
frequency counter
+–
set
test tapeP-4-L300(315 Hz, 0 dB)
main boardCN207 (Pin 1 : L-CH)
(Pin 3 : R-CH)
level meter
Sample Value of Wow and flutterW.RMS (JIS) within 0.3%(test tape: WS-48B)
Playback level Adjustment DECK A DECK BProcedure:Mode: Playback (FWD)
— 22 —
Record Bias Current Adjustment DECK BProcedure:1. Mode: record
2. Mode: Playback
Confirm playback that the signal recorded in step 1 becomes adjustablelimits as follows.If these levels are not adjustable limits, adjust the RV341 (L-CH) andRV441 (R-CH) on the AUDIO board to repeat steps 1 and 2.Adjustable limits: Playback output of 315 Hz to playback output
of 10kHz: 0±0.5 dBAdjustment Location: AUDIO and main boards
Record Level Adjustment DECK BProcedure:1. Mode: record
2. Mode: Playback
Confirm playback that the signal recorded in step 1 becomesadjustable limits as follows.If these levels are not adjustable limits, adjust the RV1501 (L-CH)and RV1551 (R-CH) on the main board to repeat steps 1 and 2.
Adjustable limits:CN207 PB level: 47.3 to 53.1 mV (–24.3 to –23.3 dB)
Adjustment Location: main board
[MAIN BOARD] (Component Side)
[AUDIO BOARD] (Conductor Side)
attenuator
set
Pin 6 (L-CH) of IC1501 on the main board.Pin #¶ (L-CH) of IC1501 on the main board.1) 315 Hz2) 10 kHz 50 mV (–23.8 dB)
⎫⎬⎭
Pin 2 (GND) of ICN207 on the main board.
600 Ωblank tapeCN-123
AF OSC
+–
set
recordedportion
CN207 (Pin 1 : L-CH)(Pin 3 : R-CH)
level meter
set
Pin 6 (L-CH) of IC1501 on the main board.Pin #¶ (R-CH) of IC1501 on the main board.315 Hz, 50 mV (–23.8 dB)
blank tapeCS-123
Pin 2 (GND) of CN207 on the main board.
600 Ωattenuator
AF OSC
+–
set
recordedportion
CN207 (Pin 1 : L-CH)(Pin 3 : R-CH)
level meter
RV1501
IC1501
CN205CN207
RV1551
RECORD LEVEL
IC301IC201
RECORDBAIS TAPE SPEED
(NORMAL)RV651
®
(HIGH)RV652
®RV311
L ®RV411
R ®
PBLEVEL
RV441 RV341RV301®LRV401®R
R L
– DECK B –
– DECK A –
⎫⎪⎬⎪⎭
PB LEVEL
⎫ ⎪ ⎬ ⎪ ⎭
⎫⎪⎬⎪⎭
⎫⎪⎪⎪⎪⎬⎪⎪⎪⎪⎭
— 23 —
CD SECTION
Note:1. CD Block is basically designed to operate without adjustment.
Therefore, check each item in order given.2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated.3. Use an oscilloscope with more than 10MΩ impedance.4. Clean the object lens by an applicator with neutral detergent when the
signal level is low than specified value with the following checks.5. Adjust the focus bias adjustment when optical block is replaced.
Focus Bias check
Procedure:1. Connect oscilloscope to test point TP (RF). (GND terminal :
VC)2. Turned Power switch on.3. Put disc (YEDS-18) in and playback.4. Confirm that the shape “≈” can be clearly distinguished at the
center of the waveform and check the RF signal level.
• RF signal
S Curve Check
Procedure:1. Connect oscilloscope to test point TP (FEO).2. Connect between test point TP (FOK) and GND by lead wire.3. Turn Power switch on.4. Put disc (YEDS-18) in and turned Power switch on again and
actuate the focus search. (actuate the focus search when disctable is moving in and out.)
5. Check the oscilloscope waveform (S-curve) is symmetricalbetween A and B. And confirm peak to peak level within 3±1Vp-p.
S-curve waveform
6. After check, remove the lead wire connected in step 2.Notes: • Try to measure several times to make sure than the ratio of A : B
or B : A is more than 10 : 7.• Take sweep time as long as possible and light up the brightness
to obtain best waveform.
RF Level Check
• RF signal
+–
BD board
TP (RF)VC
oscilloscope(DC range)
VOLT/DIV: 200 mVTIME/DIV: 500 ns
level:1.3 ± 0.3Vp-p
+–
BD board
TP (FEO)TP (VC)
oscilloscope
A
B
symmetry
within 3 ± 1 Vp-p
Procedure:1. Connect oscilloscope to test point TP (RF) on BD board.2. Turned Power switch on.3. Put disc (YEDS-18) in and playback.4. Confirm that oscilloscope waveform is clear and check RF signal
level is correct or not.Note: Clear RF signal waveform means that the shape “≈” can be
clearly distinguished at the center of the waveform.
Procedure:1. Connect oscilloscope to test point TP (TEO) on BD board.2. Turned Power switch on.3. Put disc (YEDS-18) in to play the number five track.4. Press the “P (Pause)” button. (Becomes the 1 track jump mode)5. Check the level B of the oscilloscope's waveform and the A
(DC voltage) of the center of the Traverse waveform.Confirm the following:
A – B2 (A + B)
× 100 = ±7 (%)
+–
BD board
TP (TEO)TP (VC)
oscilloscope
Center of the waveform
B
level : 500 mV ± 100 mVp-psymmetry
A (DC voltage)0V
Adjustment Location:
IC103
CNU102
IC101ICI02
TP(RF)
TP(FOK)
TP(VC)
TP (FEO)
TP (TEO)
TP(GND)
CN
U10
11 track jump waveform
[BD BOARD] (Conductor Side)
HC
D-X
B33
K/X
B44
KS
EC
TIO
N 6
DIA
GR
AM
S
6-1.
CIR
CU
IT B
OA
RD
LO
CA
TIO
N
— 2
5 —
— 2
6 —
6-2.
BL
OC
K D
IAG
RA
MS
– C
D/K
EY
CO
NT
RO
L S
EC
TIO
N –
TR
AN
S b
oard
PA
NE
L bo
ard
HE
AD
PH
ON
E-M
IC
boar
d
TC
-A S
W
boar
d
CD
-A S
W b
oard
DO
OR
SW
boa
rd
LED
boa
rd
CD
-B2
SW
boa
rd
CD
-B1
SW
boa
rd
TC
-B S
W b
oard
PO
WE
R A
MP
bo
ard
MA
IN b
oard
KE
Y-C
ON
boa
rd
MO
TO
R b
oard
LEA
F S
WIT
CH
bo
ard BD
boa
rd
AU
DIO
boa
rd
BD
LE
D b
oard
CD
MO
TO
R b
oard TA
BLE
SE
NS
OR
boa
rd
M
M M
13 7
9
61 60627677
IC20
1M
OTO
RD
RIV
E
Q20
1SW
ITC
H
IC20
2
DIS
C T
ABLE
SEN
SOR
M20
1TA
BLE
MO
TOR
S20
1U
P SW
ITC
H
12 . 11 14 . 13
78
910
1211
100
2127
75
17161514 13 23 2944
8990
86 93 716 720 19 1312212233
23
24 25 2627
36 3738 39 41 42
1 24 5 610
9
18 171615
2627
3616
14
OPT
ICAL
PIC
K-U
P B
LOC
K
DET
ECTO
RK
B+
E A B
D C F
A D C B
LASE
RD
IOD
E
TRAC
KIN
GC
OIL
FOCU
SC
OIL
2-A
XIS
DEV
ICE
SLED
/ SPI
ND
LEM
OTO
R D
RIV
EIC
102
(2 / 2
)
M10
2SL
ED M
OTO
R
M10
1SP
IND
LE M
OTO
R
SLED
MO
TOR
DR
IVE
SPIN
DLE
MO
TOR
DR
IVE
SLO
SL-
P
SLED
SER
VOIC
101
(2 / 2
)
22 20
15 9 7
LPF1
INH
PF IN
SL-
P
SL-
P
SL-
P14
VCC
+5V
F+F-T+T-
FOCU
SC
OIL
DR
IVE
TRAC
KIN
GC
OIL
DR
IVE
FOC
US
/ TR
AKIN
GC
OIL
DR
IVE
IC10
2 (1
/ 2 )
MU
TE
Q10
1LD
DR
IVE
PD1
PD2
F E LD PD
XRSTSEN
S2
TA-O
TA-M
FE-M
FE-O
LOC
K
CLKXLT
DAT
A
FOK
SEN
S1C
,OU
T
RFO
73
S10
1LI
MIT
S
WIT
CH
R-C
H
LOU
T1
LOU
T2
IC39
1C
D D
IGIT
AL O
UT
D O
UT
RF
CN
IN
SEIN
FOK
DAT
AOXL
TOC
LKO
LOC
K
IC10
3D
IGIT
AL
S
IGN
AL
PRO
CES
SOR
SPOD
MDP
SCOR
XRST
CLOCK
XLAT
DATASENSSQSQ
SQCK
18
57
48
5847
74
3436
MA
INSE
CTI
ON M
AIN
SEC
TIO
N
MA
INSE
CTI
ON
C D
E
• R
CH
:Sam
e as
L C
H•
SIG
NAL
PAT
H :CD
IC10
1(1/
2)FO
CU
S/TR
ACKI
NG
/SLE
D/S
ERVO
RF
AMP
X10
116
.934
4MH
z
(pag
e 27
)
(pag
e 28
)
(pag
e 28
)
IC50
1KE
Y C
ON
TRO
L
IC50
2M
ULT
IPLE
XER
R-C
H
Q50
1SW
ITC
H 45
44
4
5
5 3
4 14 9
Q50
1SW
ITC
H
HI
MAI
N S
ECTI
ON
(pag
e 27
)
GM
AIN
SEC
TIO
N(p
age
28)
:FM
MAI
N S
ECTI
ON
(pag
e 27
)
16
HC
D-X
B33
K/X
B44
K
— 2
7 —
— 2
8 —
– M
AIN
SE
CT
ION
–
+ –
IC10
1PH
ON
OA
MP
3233
34
13
41415 59 6
2
103R
-CH
R-C
H
69 7145
4443
4238
39
EQ
62
MIC
ON
INTE
RFA
CE
Q10
1,Q
102,
Q10
3IN
PUT
CH
ANG
E
VID
EO (A
UD
IO)
OU
T
28 29 30
+ –1
2 3
IC23
1SP
EAN
A M
IX
IC20
1EQ
UAL
IZER
/VO
LUM
E
6240
41
BB22
BB12
Q20
2D
BFB
SWIT
CH
Q20
3FE
ED B
ACK
6564
61
6
DO
LBY
B
REC
REC
PB
DO
L
PAS
PB
35 37
70 120
2 4 109 11 22
1213
1415
1617
1819
20
REC
EQ
BIAS SW
2425
IC15
01H
EAD
AM
PD
ECK
PRO
CES
PB A/BA120/170
NORM/HIGHNORM/CROM/METAL
BIAS ON/OFFRM ON/OFFNR ON/OFF
REC/PB/PASS
LM ON/OFF
MIC
LE
VE
L
J761
IC76
0 (1
/ 2)
MIC
AM
PIC
760
(2 / 2
)M
IC A
MP
J101
(1 / 3
)
IC10
2 IN
PUT
SEL
ECTO
R
EC
D S
ECTI
ON
MIC
1
PHO
NO
A B C
A B C
12
VID
EO
(AU
DIO
) IN
J101
(2 / 3
)
45
443
2
31
PBEQ
AM
P
57
PBEQ
AM
P
IC61
1
IC60
1
RV
301
PB L
EVEL
RV
311
REC
LEV
EL
R-C
H
X
R-C
H
R-C
H
1 2 3
4
RV
341
REC
BIA
S
Q62
1,62
2BI
AS O
SC
Q62
3SW
ITC
H
T621
BIAS
TRAP
+7V
ERAS
E(H
EAD
)
REC
/PB
HEA
D(B
DEC
K)
HR
PE10
1
HP
101
PLAY
BAC
K H
EAD
(A D
ECK)
S10
05A
CrO
2
S10
08B
CrO
2
PB R
-CH
SW-F
-CO
N
REC
R-C
H
96 86 82 85 83 84 94 95 97 28
Q15
33SW
ITC
H
Q65
1C
APST
AN M
OTO
RC
ON
TRO
L
Q15
34,Q
1535
SWIT
CH
Q15
31,Q
1532
CAP
STAN
MO
TOR
SWIT
CH
M M
B+(+
12V
) RV
651
NO
RM
AL S
PEEDRV
652
HIG
H S
PEED
M1
CAP
STAN
MO
TOR
4 5 1 6102
IC15
02TR
IGG
ERM
OTO
RD
RIV
E
M2
TRIG
GER
MO
TOR
S10
01A
PLAY
S10
02B
PLAY
+5V
16
S10
04(A
HA
LF)
S10
07(B
HA
LF)
S10
06(R
EC A
)
S10
09(R
EC B
)D
671-
D67
4
-7V
+7V
RV
105
REC
LEV
EL
C33
1,L3
31
NO
RM
CR
OM
5556
87
88
89
9091
9293
<REC
L-C
H>
< PB
L-C
H>
8
Q23
1SW
ITC
H
R-C
H
+ – + –
3
MU
TE
Q20
4M
UTE
Q20
1SW
ITC
H
Q28
3M
UTE
IC80
1PO
WER
AM
P
Q80
1O
VER
LO
ADD
ET
Q85
1O
VER
LO
ADD
ET
Q28
2O
VER
LO
ADD
ET
R-C
H
R-C
H
Q14
1,Q
142
REL
AY D
RIV
E
Q19
1, Q
192
FAN
MO
TOR
DR
IVE
IC28
1PR
OTE
CTO
R
2
7
614
Q28
1SW
ITC
H
TA A
C O
FF
+ +- -
R-C
H
L-C
H
R-C
H
SOR
RO
UN
D
TM13
2
+ +- -
R-C
H
L-C
H
R-C
HSPEA
KER
TM13
1
R-C
H
PHO
NES
J760
XB33
K
18
C
G
3436
4748
5758
7374
287
8889
9091
9293
963
45
4445
6566
6768
6970
7255
566
1 2015
9814
1311
1046
2726
2897
9594
8283
8485
8660
6162
7677
D
100
UP SWT-SENS
TRAY-LEDTBL-RTBL-L
CAP-M-ON/OFFTRG-LOW
B-TRG
A-TRGCAP-H/N
A-PLAY-SWB-PLAY-SW
A HALF
B HALF
A-SHUT
B-SHUT
CD-POWER
X2
X1
XT2
XT1
POWER
RESET
AC CUTTA MUTE
F-RELAY
STK MUTE
11C-CLK11C-DATA
ST MUTESTEREOTUNED
ST-CEST-DOUT
ST-DINST-CLK
COM CLKCOM DOUT
KEY-CON-ONKEY-CON-LAT
427LAT
REALY
TC-MUTE
R/P-PASS
NR ON/OFFREC-MUTE
BIASEQ-H/N
PB A/B
DBFB H/L
SENSSENS2
XLTXRST
CD CLOCK
CD DATASQCLK
SQ-DATA-IN
SCOR
CD
SEC
TIO
N
CD
SEC
TIO
N
KEY-
CO
N S
ECTI
ON
(p
age
26)
72
5655
4544
4544
54
96
93
92
9190
89
8887
7473
58
5748
47
3634
18
3
7069
6867
6665
IC30
1M
AIN
CO
NTR
OL
Q30
1SW
ITC
H
22
RDS-DATA
21
RDS-INT
77
76
6261
60
86
858483
82
9495
97
28
Q10
01R
EEL
DET
Q90
1Q
902
SWIT
CH
Q90
1Q
902
SWIT
CH
Q10
02R
EEL
DET
X30
15M
Hz
X30
232
.768
KH
z
Q90
7SW
ITC
HQ
905
Q90
6SW
ITC
H
IC30
2R
ESET
+5V
D90
1R
ECT
TUN
ERU
NIT
IC90
1RE
G
IC90
2RE
G
IC90
3RE
G
IC90
4RE
G
Q90
4RE
G
Q90
3RE
G
+35V
-35V
+7V
-7V
+5V
CD
MO
TOR
+7V
ST
+10V
TC M
OTO
R+1
2VVP
D90
6D
907
REC
T
D90
2|
D90
5R
ECT
VF
TA A
C O
FF
T901
POW
ER T
RAN
SFO
RM
ER S90
1VO
LTAG
ESE
LEC
TOR
AC
-IN
D61
1-D
625
D63
1,D
632
D63
5-D
638
D64
1D
645-
D64
7
LED
DR
IVE
Q60
4-Q
608
Q60
9-Q
611
Q61
4Q
617-
Q61
9Q
621
SELE
CT
SWIT
CH
Q60
1-Q
603
S60
1-S
626,
S62
8-S
631
S64
1-S
647,
S65
1-S
659
S66
1-S
668,
S67
6-S
679
JOG
S71
1
VOLU
ME
RO
TAR
YEN
CO
DER
S70
1
IC60
2SI
RC
S
MID
FR
EQ
LOW
FR
EQ
HIG
H F
REQ
FL60
1
FRU
OR
ESC
ENT
IND
ICAT
OR
TU
BE
25 23 24
89
3236
3733
103420
21
42- 5
657
- 77
22 •
3527
- 30
79-8
0 • 1
-6 •
14-1
9
LED
SEL
ECT
CLO
CK
DAT
A
GR
1-G
R15
SEG
1-SE
G20
X OUT
X IN
L+R
SPEANA1SPEANA2
SIRCS
RESET
DOOR SW
KEY1
-KEY
4JO
G A
•BLE
D
IC60
1D
ISPL
AY C
ON
TRO
L
S69
1D
OO
R S
W
X60
18M
Hz
RV
706
IC60
2
BAC
K LI
GH
T
VFVF
2
PB
/ RE
C S
W
RY
141
11
• R
CH
:Sam
e as
L C
H•
SIG
NAL
PAT
H
:FM
:PB
(DEC
K A)
:PB
(DEC
K B)
:REC
(DEC
K B)
:CD
Q23
2SW
ITC
H
(pag
e 26
)
(pag
e 2
6)
(pag
e 2
6)
J101
(3/3
)
99 54IN
PUT-
CH
ANG
E
4 19 20
12 15
8
FAN XB
44K
HIKE
Y-C
ON
SEC
TIO
N (P
age
26)
KEY-
CO
N S
ECTI
ON
(Pag
e 26
)
TUN
ER U
NIT
TUN
ERU
NIT
18
KEY
CO
NTR
OL
IC76
1EC
HO
LEV
ELR
V76
1
— 2
9 —
— 3
0 —
Fo
r sc
hem
atic
dia
gra
ms.
No
te:
•A
ll ca
paci
tors
are
in µ
F u
nles
s ot
herw
ise
note
d. p
F: µ
µF50
WV
or
less
are
not
indi
cate
d ex
cept
for
ele
ctro
lytic
san
d ta
ntal
ums.
•A
ll re
sist
ors
are
in Ω
and
1 /4 W
or
less
unl
ess
othe
rwis
esp
ecifi
ed.
•%
: ind
icat
es to
lera
nce.
•¢
: int
erna
l com
pone
nt.
•2
: non
flam
mab
le r
esis
tor.
•1
: fus
ible
res
isto
r.•C
: pan
el d
esig
natio
n.
•U
: B+
Lin
e.•
V: B
– Li
ne.
•H
: adj
ustm
ent f
or r
epai
r.•
Volta
ges
and
wav
efor
ms
are
dc w
ith r
espe
ct t
o gr
ound
unde
r no
-sig
nal (
detu
ned)
con
ditio
ns.
•Vo
ltage
s ar
e ta
ken
with
a V
OM
(Inp
ut im
peda
nce
10 M
Ω).
Volta
ge v
aria
tions
may
be
note
d du
e to
nor
mal
pro
duc-
tion
tole
ranc
es.
•W
avef
orm
s ar
e ta
ken
with
a o
scill
osco
pe.
•C
ircle
d nu
mbe
rs r
efer
to w
avef
orm
s.•
Sig
nal p
ath.
F: F
Mg
: VID
EO
/MD
E: P
B (
DE
CK
A)
d: P
B (
DE
CK
B)
G: R
EC
(D
EC
K B
)J
: CD
I: P
HO
NO
•A
bbre
viat
ion
EA
: Sau
di A
rabi
aS
P: S
inga
pore
MY
: Mal
aysi
aIA
: Ind
ones
ian
TH
IS N
OT
E I
S C
OM
MO
N F
OR
PR
INT
ED
WIR
ING
BO
AR
DS
AN
D S
CH
EM
AT
IC D
IAG
RA
MS
.(I
n a
ddit
ion
to th
is n
eces
sary
no
te is
pri
nte
d in
eac
hb
lock
.)
Fo
r p
rin
ted
wir
ing
bo
ard
s.N
ote
:•X
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the
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ide.
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nter
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tern
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the
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ch e
nabl
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• WA
VE
FO
RM
– B
D S
EC
TIO
N –
– PA
NE
L S
EC
TIO
N –
– M
AIN
SE
CT
ION
–
1 IC
101
#£ (
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2 IC
101
2 (
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(
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3 IC
101
$¶ (
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(
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4 IC
103
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5 IC
103
^º (
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CK
)
6 IC
103
^™ (
RF
CK
)
7 IC
103
&¢ (
WF
CK
)
8 IC
103
*ª (
XT
AI)
App
rox.
1.3
Vp-
p
App
rox.
0.1
Vp-
p
App
rox.
0.1
Vp-
p
2.4V
p-p
6.4
Vp-
p23
0 ns
ec
7.6
μsec
4.8V
p-p
135.
5 μs
ec
135.
5 μs
ec
4.8V
p-p
4.8V
p-p
16.9
344M
Hz
9 IC
601
8 (
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301
!¢ (
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!º IC
301
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5.7V
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No
te:T
he c
ompo
nent
s id
entif
ied
by m
ark !
or d
otte
d lin
ew
ith m
ark !
are
crit
ical
for
safe
ty.
Rep
lace
onl
y w
ith p
art n
umbe
r sp
ecifi
ed.
HC
D-X
B33
K/X
B44
K
— 3
1 —
— 3
2 —
6-3.
PR
INT
ED
WIR
ING
BO
AR
D –
BD
SE
CT
ION
–
•
See
pag
e 25
for
Cir
cuit
Bo
ard
Lo
cati
on
.
(Pag
e 57
)
16
MAI
N BO
ARD
CN20
2
(Con
duct
or S
ide)
(Com
pone
nt S
ide)
•In
dic
atio
n o
f tr
ansi
sto
r
Ref
. No.
Loca
tion
•S
emic
on
du
cto
rL
oca
tio
n
IC10
1C
-5IC
102
B-5
IC10
3C
-6
Q10
1C
-3
QC
The
se a
re o
mitt
ed
BE
HC
D-X
B33
K/X
B44
K
— 3
3 —
— 3
4 —
6-4.
SC
HE
MA
TIC
DIA
GR
AM
– B
D S
EC
TIO
N –
• S
ee p
age
30 f
or
Wav
efo
rms.
•
See
pag
e 71
fo
r IC
Blo
ck D
iag
ram
s.
HC
D-X
B33
K/X
B44
K
— 3
5 —
— 3
6 —
6-5.
PR
INT
ED
WIR
ING
BO
AR
D –
CD
MO
TOR
SE
CT
ION
–
•
See
pag
e 25
for
Cir
cuit
Bo
ard
Lo
cati
on
.
12
A B C D E F G H
34
56
78
910
1112
13
7
DM
AIN
BOAR
DCN
201
(Pag
e 57
)
16
HC
D-X
B33
K/X
B44
K
— 3
7 —
— 3
8 —
6-6.
SC
HE
MA
TIC
DIA
GR
AM
– C
D M
OT
OR
SE
CT
ION
–
HC
D-X
B33
K/X
B44
K
— 3
9 —
— 4
0 —
6-7.
PR
INT
ED
WIR
ING
BO
AR
D –
DE
CK
SE
CT
ION
–
12
A B C D E F G H
34
56
78
910
1112
IM
AIN
BO
ARD
CN
206
(Pag
e 57
)
MAI
N B
OAR
DC
N20
5(P
age
57)
H
16
Ref
. No
.L
oca
tio
n
IC60
1H
-4IC
602
G-5
IC61
1H
-11
Q62
1H
-7Q
622
H-7
Q62
3H
-6Q
651
F-10
Q10
01A
-2Q
1002
A-7
•S
emic
on
du
cto
rL
oca
tio
n
HC
D-X
B33
K/X
B44
K
— 4
1 —
— 4
2 —
6-8.
SC
HE
MA
TIC
DIA
GR
AM
– D
EC
K S
EC
TIO
N –
HC
D-X
B33
K/X
B44
K
— 4
3 —
— 4
4 —
6-9.
SC
HE
MA
TIC
DIA
GR
AM
– S
WIT
CH
SE
CT
ION
–
— 45 —
HCD-XB33K/XB44K
6-14. PRINTED WIRING BOARD – SWITCH SECTION – • See page 25 for Circuit Board Location.
1 TA-MUTE O Line mute signal output2 DBFB-H/L O DBFB H/L select signal output
3 427-LT O Latch signal output for IC201 (62427)4 KCON-LT O
Not used5 KCON-ON/OFF O
6 F-RELAY O Front speaker relay control output7 R-RELAY O
Not used8 PL-RELAY O9 TEST I Connected ground
10 X2 OX’tal (5MHz)
11 X1 I12 VDD – Power supply (+5V)
13 XT2 OX’tal (32.768 KHz)
14 XT1 I15 RESET I Reset signal input
16 INT/IN IConnected ground
17 INT/IN/OUT I18 SCOR O Sub code data request signal output19 SOFT-TEST O Software test port
20 AC-CUT I Back up signal input21 RDS-INT I RDS signal input22 RDS-DATA I RDS data input
23 VDD – Power supply (+5V)24 AVDD I Analog reference voltage input25 ADJ I CD adjust point port
26 A-SHUT I A Deck reel pulse detector27 B-SHUT I B Deck reel pulse detector28 B-HALF I Half detector signal input
29 CLK-CHECK I Connected ground30 SPEC-IN I Version select signal input31 ADJ 2 I Connected ground32 DEMO-CHANGE I DEMO H/L select signal input
33 AVss – Ground34 SQ-DATA-IN I Sub code Q data input35 — – Not used
36 SQ-CLK I Sub code Q data clock input37 SW-ON/OFF O Not used
38, 39 FUNC 1, 2 I Connected ground
40 Vss – Ground41 VOL-LAT O
Not used42 PL-LAT O43 COM-DIN I Connected ground
44 COM-DOUT O Common serial data output45 COM-CLK O Common serial clock output46 CD-POWER O CD power on signal output
47 CD-DATA O CD data output48 CD-CLOK O CD clock output49 MSM-CMD O Not used
50 MSM-BUSY I Connected ground
Pin No. Pin Name I/O Function
MAIN BOARD IC301 µPD780018Y (MAIN CONTROL)
— 77 —
Pin No. Pin Name I/O Function51 MSM-LT O52 MSM-NAR I Not used
53 MSM-CH O54 INPUT-CHANGE O Not used55 11C-DATA O Data output for IC60156 11C-CLK O Clock output for IC601
57 XRST O CD reset signal output58 XLT O CD latch signal output59 FOUCUS-SW O Not used
60 TBL-L OTable motor control output
61 TBL-R O62 TRAY-LED O CD tray LED ON/OFF output
63 LOAD-OUT ONot used
64 LOAD-IN O65 ST-CLK O Tuner clock output66 ST-DIN I Tuner data input
67 ST-DOUT O Tuner data output68 ST-CE O Tuner chip enable output69 TUNED I Tuned detection for tuner
70 STEREO I Stereo detection for tuner71 Vss – Ground72 ST-MUTE O Tuner mute signal output
73 SENS2 IBD Condition signal input
74 SENS I75 DISC-SENS I Not used76 T-SENS I CD table detection signal input
77 UP-SW I Up SW (S201) signal input78 ENC 3 I79 ENC 2 I Not used
80 ENC 1 I81 OUT-OPEN I Not used82 CAP-M-H/N O Capstan motor H/N speed select signal output
83 B-TRG O Trigger motor control output84 A-TRG O Trigger motor control output85 TRG-LOW O Trigger motor control output
86 CAP-M-ON/OFF O Capstan motor ON/OFF signal output87 PB-A/B O PB Deck A/Deck B select output88 EQ-H/N O Equalizer H/N select output89 BIAS O Bias ON/OFF signal output
90 REC-MUTE O REC mute ON/OFF selection output91 NR-ON/OFF O NR ON/OFF signal output92 R/P-PASS I REC/PB/PASS selection output
93 TC-MUTE O TC mute ON/OFF selection output94 A-PLAY-SW I Deck A play detect95 B-PLAY-SW I Deck B play detect
96 TC-RELAY O REC/PB head selection output for IC60297 A-HALF I Deck A cassette detect98 POWER O POWER ON/OFF signal output99 SW-F-CHG O Super woofer mode signal output
100 STK-MUTE O Power amp ON/OFF signal output
— 78 —
Pin No. Pin Name I/O Function1–6 LED3-LED8 O LED driver output
7 VSS – Ground8 X-OUT O
X’tal (8MHz)9 X-IN I
10 RESET I Reset signal input from main controller11 LED 9 O12 LED10 O Connected ground
13 TEST I14–19 LED11-LED19 O LED driver output
20 VOL-A I Rotary encoder (S701 VOLUME) pulse input21 DOOR SW I SOOR SW (S651) ON/OFF signal input
22 JOG-A I Rotaly encoder (S711 AMS) pulse input23 CLOCK I Serial clock input from main controller24 DATA I Serial data input from main controller
25 LED SELECT O LED select signal output26 MODEL I Version select signal input
27–30 KEY1-KEY4 I Key input
31 SPEANA-3 I Connected ground32 L + R I Spectrum analyzer (high frequency) input33 SIRCS I Remote commander signal input34 VOL-B I Rotary encoder (S701 VOLUME) pulse input
35 JOG-B I Rotary encoder (S711 AMS) pulse input36 SPEANA-1 I Spectrum analyzer (Low frequency) input37 SPEANA-2 I Spectrum analyzer (Middle frequency) input
38 VASS – Ground39 VAREF I Analog reference voltage input40 VDD – Power supply (+5V)
41 — – Not used42–56 GR1-GR15 O FL gride signal output57–77 SEG1-SEG77 O FL segment signal output
78 VKK – –30V driving power for FL79, 80 LED1-LED2 O LED driver output
PANEL BOARD IC601 TMP87CH74 (DISPLAY CONTROL)
SECTION 7EXPLODED VIEWS
NOTE:• -XX, -X mean standardized parts, so they may
have some differences from the original one.• Items marked “*” are not stocked since they
are seldom required for routine service. Somedelay should be anticipated when ordering theseitems.
• AbbreviationEA : Saudi ArabiaSP : SingaporeMY : MalaysiaIA : Indonesian
• The mechanical parts with no reference numberin the exploded views are not supplied.
• Hardware (# mark) list and accessories andpacking materials are given in the last of thisparts list.
— 79 —
The components identified by mark ! ordotted line with mark ! are critical for safety.Replace only with part number specified.
2
1
1
#2
#2
#2 #3
#1
#1
#1
3
45
6XB44K
7-1. CASE, REAR PANEL SECTION
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
1 3-363-099-01 SCREW (CASE 3 TP2)* 2 4-987-052-91 CASE* 3 4-996-410-11 PANEL, BACK (XB33K: SP, MY)* 3 4-996-410-61 PANEL, BACK (XB33K: E)* 3 4-996-410-71 PANEL, BACK (XB33K: EA)
* 3 4-996-412-11 PANEL, BACK (XB44K: SP, MY)* 3 4-996-412-61 PANEL, BACK (XB44K: E, IA)* 3 4-996-412-71 PANEL, BACK (XB44K: EA)
!CNP901 1-558-943-51 CORD, POWER (E, IA)!CNP901 1-575-651-21 CORD, POWER (EA, SP, MY)!T901 1-431-635-11 TRANSFORMER, POWER (XB33K)!T901 1-431-637-11 TRANSFORMER, POWER (XB44K)
151
158
155
152
156
157
153 154
not supplied
not supplied
not supplied
CDM37L-5BD29AL
T901
#1
#1
#1
#2
#1
not supplied
#4
#1
#1
#1#1
#1
not supplied
E, IA
CNP901
159
EA, SP, MY
159
CNP901
Note: The components identified by mark ! or dotted linewith mark ! are critical for safety.Replace only with part number specified.
— 83 —
207
not supplied
208
205
201
203202
204
206 205
207
209
#5
#5
#5
#1
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
IC101 8-759-634-50 IC M5218ALIC102 8-759-000-48 IC MC14052BCPIC201 8-759-460-02 IC M62427FP-AIC231 8-759-634-50 IC M5218ALIC281 8-759-111-68 IC uPC1237HA
IC301 8-759-531-31 IC uPD780018YGF-028-3BAIC302 8-759-635-63 IC M51943BSL-TPIC391 8-749-923-04 IC TOTX178IC901 8-759-288-53 IC LA5617IC902 8-759-604-86 IC M5F7807L
IC903 8-759-231-53 IC M5F7805LIC904 8-759-231-58 IC NJM7812FAIC904 8-759-604-39 IC M5F78M12LIC1501 8-759-363-21 IC HA12203NTIC1502 8-759-822-09 IC LB1641
< JACK >
J101 1-784-275-11 JACK, PIN 6P (PHONO, VIDEO (AUDIO)IN, OUT)
!CNP901 1-575-651-21 CORD, POWER (EA, SP, MY)HP101 1-500-093-11 HEAD, MAGNETIC (PLAYBACK) (DECKA)HRPE1011-500-094-11 HEAD, MAGNETIC (REC/PB/ERASE) (DECK B)M1 X-3371-223-1 MOTOR ASSY, CAPSTANM2 A-2004-410-A MOTTOR ASSY, DC (TRIGGER)
M101 X-4917-523-4 MOTOR ASSY (SPINDLE)M102 X-4917-504-1 MOTOR ASSY (SLED)M201 A-4660-977-A MOTOR ASSY (TABLE)!T901 1-431-635-11 TRANSFORMER, POWER (XB33K)!T901 1-431-637-11 TRANSFORMER, POWER (XB44K)************************************************************