Service Manual CD Portable Radio Cassette Recorderdiagramasde.com/diagramas/audio/Sanyo MCD-ZX250F.pdf · CD Portable Radio Cassette Recorder MCD-ZX250F(BL) (XE ... Circuit lnput
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
• Pickup that emits a laser beam is used on this CD section.
LASER BEAM SAFETY PRECAUTION
CAUTION-INVISIBLE LASER RADIATION WHEN OPEN ANDINTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM.
ADVARSEL-USYNLIG LASER STRÅLING VED ÅBNING, NÅRSIKKERHEDSAFBRYDERE ER UDE AF FUNKTION, UNDGÅUDS ÆTTELSE FOR STRÅLING.
VARNING-OSYNLIG LASER STRÅLNING NÄR DENNA DELÄR ÖPPNAD OCH SPÄRR ÄR URKOPPLAD. STRÅLEN ÄRFARLIG.
VORSICHT! -UNSICHTBARE LASERSTRAHLUNG TRITTA U S , W E N N D E C K E L G E Ö F F N E T U N D E N NSICHERHEITSVERRIEGELUNG ÜBERBRÜCKT IST. NICHT,DEM STRAHL AUSSETZEN.
VARO !-Avattaessa ja suojalukitus ohitettaessa olet alttiinanäkymättömälle lasersäteilylle. Älä katso säteeseen.
Closed the output terminal by sweep generator,it place to MW ANT
Max.
Max.Tracking
Step SG Frequency
Tracking
Max.
Max.
Adjustment
- 3 -
WIRING CONNECTION
This is a basic wiring connection.
- 5 -- 4 -
EXPLODED VIEW(CABINET & CHASSIS)
7A7A
Y20Y20
Y1Y1
Y19Y19
5454
5252
Y18Y18
Y17Y17Y16Y16
Y15Y15
Y13Y13
Y12Y12
Y11Y11
Y10Y10
Y9Y9
Y8Y8
Y7Y7
Y5Y5
Y4Y4
Y3Y3
Y1Y1
5353
1212
6464
6363
6262
6161
7373
7272
7171
5151
5050
4949
4747
48484646
4343
4040
4242
4141
3939
3838
3737
3636
3535
3434
2828
28282828
3131
2828
3030
2929
3333
3232
2525
2424
2323
2222
2121
20201919
18181717
16161515
1414
1313
6565
1111
66
55
44
33
22
11
Y2Y2
4545
4444
Y14Y14
2626
2727
Y6Y6
7474
: Not available as service parts.
- 7 -- 6 -
PARTS LIST
REF.NO. PART NO. DESCRIPTION
PARTS LIST
CAUTION : Regular type resistors and capacitors are not listed. To know those values, refer to the schematic diagram.Regular type resistors are less than 1/4W carbon type and 0 ohm chip resistors.Regular type capacitors are less than 50V and less than 1000µF of Ceramic type and Electrolytic type.
PRODUCT SAFETY NOTICEEACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITHTHE IEC SYMBOL !!! IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATE COMPONENTS IN WHICH SAFETYCAN OF SPECIAL SIGNIFICANCE. WHEN REPLACING A COMPONENT IDENTIFIED , USE ONLY THE REPLACEMENTPARTS DESIGNATED, OR PARTS WITH THE SAME RATINGS OF RESISTANCE, WATTAGE OR VOLTAGE THAT AREDESIGNATED IN THE PARTS LIST IN THIS MANUAL. LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS MUSTBE MADE TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORERETURNING THE PRODUCT TO THE CUSTOMER.
REF.NO. PART NO. DESCRIPTIONPACKING & ACCESSORIESREF.NO. PART NO. DESCRIPTION
P21VB-A83-2L1F4645 050 2101 ASSY,MOTOR645 068 7976 ASSY,PINCH ROLLER645 050 1784 MAIN BELT645 050 1395 RF BELT,34 X 1 X 1645 018 0637 R/P HEAD,TC-915645 030 6839 E HEAD
REF.NO. PART NO. DESCRIPTION
- 11 -- 10 -
IC BLOCK DIAGRAM & DESCRIPTION
IC902 IC78601RE (ANALOG SIGNAL PROCESSOR)
No. Pin Name Function
1 DEF1 It is junction in unused time, 0 V defect detecting signal (DEF) inputterminal
2 3V / *5V It is 5 V use 3 V use, L H power supply voltage selection input terminal.
3 PDO The phase comparison output terminal for outside VCO control(PLLcontrol)
4 VVss Earth terminal for internal organs VCO control , connecting it to 0 V byall means
5 ISET Resistance connection terminal for electric current adjustment of PDOoutput
6 VVdd Power supply terminal for internal VCO control7 FR VCO frequency range adjustment control8 Vss Digital series earth terminal. Being connected to 0 V by all means.9 EFMO EFM signal output terminal.(Slice level control )10 EFMIN EFM signal input terminal.(Slice level control )11 TMOD Input terminal for a test. (Being connected to 0 V by all means)12 CLV The output terminal for disk motor control. 3 value output13 HFL Truck detecting signal input terminal.14 TES Tracking error signal input terminal.15 TOFF Tracking OFF output terminal16 TGL The output terminal for tracking gain change. (Go up gain with L)17 JP The output terminal for tracking jump control. (3 value output)18 LASER Laser control terminal. (The pull-down resistor internal )19 FSTA The FS TA control terminal. (The pull-down resistor internal )20 EFBAL EFBAL control terminal. (The pull-down resistor internal )21 SP8 SP 8 control terminal. (The pull-down resistor internal )22 Vdd Digital series power supply terminal
23 FSEQThe synchronising signal search output terminal. When synchronisingsignal of inside creation agreed with the synchronising signal whichdetected it from EFM signal, it become "H"
24 PCK Clock monitor terminal for EFM data reproduction. ( Limited at the timeof test mode but)
25 SLOF Thread OFF control output terminal26 SLED+ The thread field output terminal27 SLED- The thread field output terminal28 PUIN Limit switch sensing input terminal. (The pull-up resister internal )29 DOUT Digital OUT output terminal. (EIAJ format)30 NC NC (Being open)31 *SEG8 The segment output (8) terminal. (The pull-up resister internal )32 *SEG7 The segment output (7) terminal. (The pull-up resister internal )
No. PIN NAME Function
33 *SEG6 The segment output (6) terminal. (The pull-up resister internal )
34 *SEG5 The segment output (5) terminal. (The pull-up resister internal )
35 *SEG4 The segment output (4) terminal. (The pull-up resister internal )
36 *SEG3 The segment output (3) terminal. (The pull-up resister internal )
37 *SEG2 The segment output (2) terminal. (The pull-up resister internal )
38 *SEG1 The segment output (1) terminal. (The pull-up resister internal )
39 Vcc Digital series earth terminal. (It is connection in 0 V by all means)
40 NC NC
41 *DIG2 The common drive output (2) terminal.The pull-up resister internal
42 *DIG1 The common drive output (1) terminal.The pull-up resister internal
43 *PROG Program movement monitor output terminal. (The pull-up resisterinternal )