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• 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.
Use a plastic screw driver for adjustments. Adjust the intermediate frequency of AM and FM to the frequency of ceramic filter. Set of unit Supply voltage : DC 12.0V
Speaker impedance : 8 ohms
Standard output : 50 mW
Function switch : RADIO
a. Parts Location
a. AM Adjustment Band switch : MWAdjusting Connections SG Position of VTVM
Circuit lnput Output Frequency Tuning dial Oscilloscope
Connect sweep
1 IF generator to(19)IC101 450KHz Low T103
(H) 0and C130(E)
2 Tuning Connect AM SG to Connect VTVM to 522 KHz Low end T101 VT Low: 1.5V±0.1
3 coverage test loop speaker terminals. 1611 KHz High end VT Hi: 7.5V±0.2
4 Connect AM SG to Connect VTVM to 603 KHz 603 KHz MW ANT
5 test loop speaker terminals 1404 KHz 1404 KHz CT102
b. FM Adjustment Band switch : FM FM Dummy antenna : 75 ohms unbalance Adjusting Connection position of VTVM
Circuit Input Output tuning dial Oscilloscope
Connect sweep Connect VTVM to
1 IF generator to IC101 generator to (19) 10.7MHz Low
(22)pin (H) & IC101(H) and C130(E)
IC101(23)pin (E)
2 Tuning Connect FM SG to Connect VTVM to 87.5 MHz Low end L102 VT Low : 2.1V±0.1
3 coverage FM ANT(H) D101 speaker terminals. 108 MHz High end VT Hi : 7.2V±0.1
4 Connect FM SG to Connect VTVM to 90.0 MHz 90.0 MHz L101
Closed the output terminal by sweep generator,it place to AM ANT
Max.Tracking
Step SG Frequency
Max.
Adjustment
BIAS O/N
450KHZ
T103/2070
T101/612R
L102
CT101
FM/ANT
L101
CT102
AM/ANT
OUT
RESET O/N
10.7MHZ
This is a basic tuner adjustments.
- 5 -- 4 -
EXPLODED VIEW(CABINET & CHASSIS)
Y6
28
27
Y14
39
40
Y2
1
2
34
5
6
11
65
14
15
16 1718
19
2021
22
23
24
25
26
30
29
33
74
35
36
37
38
41
43
42
44
4546
71
72
73
61
62
63
64
12
48
Y1
Y3
Y4
Y5
Y7
Y8
Y9
Y10
Y11
Y12
Y13
Y15
Y16 Y17
Y18
47
Y1
Y4
Y4
Y4
Y11
Y19
34
13
: Not available as service parts.
7A
31A
- 7 -- 6 -
REF.NO. PART NO. DESCRIPTION
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
FOR CASS DOOR GEAR37 645 043 0145 CD DOOR LOCK38 645 070 9111 HANDLE39 645 042 0368 BAND SW COVER(PA)40 645 033 0391 AC SKT COVER41 645 070 9081 CABINET BACK
This oscillator is stopped by the execution of aSTOP instruction.
65k specifications32k specifications
38k specifications
Not used
S1S2S3S4
Input
27282930
Input-only portsInput pins used to read data into RAMBuilt-in 7.8 ms and 1.95 mschatter rejection circuitsBuilt-in pull-up/pull-down resistors
Note: The 7.8 ms and 1.95 ms times are the times whenf 0 is32.768kHz.
Transistor to holda low or high level
Selection of eitherpull-up or pull-down resistor
The pull-up or pull-down resistor areon.
These pins goto the floatin gsta te whenreset is cleared.
Note:
K1K2
K3K4
I/O
31323334
I/O portsInput pins used to output read data into RAMOutput pins used to output data from RAMBuilt-in 7.8 ms and 1.95 msinput-mode chatter rejection circuits.The selection of 7.8 or 1.95 ms is linked to that for the S ports.Note: The 7.8 ms and 1.95 ms times are the times when f 0 is
32.768 kHz.
Transistors to holda low or high level
Selection of eitherpull-up or pull-down resistor
The pull-up or pull-down resistors areon.
These pins goto the floatin gsta te whenreset is cleared.
Note:
Input modeOutpu t latch data isset high.
M1
M2M3M4
I/O
35363738
I/O portsInput pins used to read data into RAMOutput pins used to output data from RAMM4 is used as the external clock input pin in Tm2 mode 3.*The minimum period for the external clock is twice the cycle time.Built-in pull-up/pull-down resistors
The same as K1 toK4
The same as K1 toK4
A1A2A3A4
I/O
11121314
I/O portsInput pins used to read data into RAMOutput pins used to output data from RAMBuilt-in pull-up/pull-down resistors
The same as K1 toK4
The same as K1 toK4
P1P2P3P4
I/O
15161718
I/O portsFunction: The same as pins A1to A4
The same as K1 toK4
The same as K1 toK4
Pin I/OQIP-80Pin No. Function Option At reset
So1So2So3So4
I/O
78910
I/O portsFunction: The same as for pins A1 to A4Pins So1 to So3 area also used for the serial interface.
Use of these pins inserial mode can be selected under programcotrol.Pin functions: SO1:Serial input pin
SO2:Serial output pinSO3:Serial clock pin
The serial clock pin can beswitched between internal and external,and between rising edge output and falling edge output.
Transis tors to holda low or high leve lSelecti on of eitherpull -up or pull-down resis torsInte rna l seria l clockdivi sor selecti on
The same as for K1to K4
I 1/1II 1/2III 1/4
N1N2N3N4
Output
39404142
Output-only portsOutput pins used to output data from RAMAn alarm signal can be output from pin N4.(Note that this isonlywhen the N4 output latch is low.)An alarm signal modulated at 1,2 or 4 kHz can be output.(Thesefrequencies are output when f 0 is 32.768 kHz.)A carrier signal can be output from N3.(Note that this is onlywhen the N3 output latch is low.)
Pins N1 to N4outpu t circuit type:
Pins N1 to N4output level
The output level s onpins N1 to N4 can bespec ified as an option
INT Input 6
Input portsExternal interrupt request inputsInput pins used to read data into RAMInput detection can be performed oneither rising orfalling edges.Built-in pull-up/pull-down resistors
Tran sistors to holda low or high level
Select ion of eitherpull-up or pull-down resist ors
Signal convers ion(rising/f alling)selectio n
RES Input 5
LSI internal reset inputThe reset input level can beselected to beeither high or low.Built-in pull-up/pull-down resistorsNote: The reset pulse must beat least 500us.
*Onl y when theinpu t resisto r openspec ificat ion isselec ted
TST Input 43Test input
QIP80 products: Connect to Vss.Chip products :Leave open orconnect to Vss.
Types I to V can be specified asmask options.General-purpose output mode
CMOSP-channel open drainN-channel open drain
Types I to III can be specified asmask options.LCD/g eneral -purpo se output contro l is handle d by the segme nt PLA,and thus program control is not required.These pins support output latch control on reset and in standbystates when the oscillators are stopped.Arbit rary combinat ions of LCD drive and general-p urpos e output s canbe used.
LCD driver/general-purposeoutput switching
LCD drive typeswitching
STATIC1/2 bias-1/2duty
1/2 bias-1/3duty
1/2 bias-1/4duty
1/3 bias-1/3duty
1/3 bias-1/4duty
General-purposeoutput circuitswitching
CMOSP-channelopen drain
N-channelopen drain
Outpu t latch con trolin standby modes
LCD driveAll segments onAll segments off
*:Determined bymask options
General purposeoutputs
High levelLow level
Determined bymask options
Note:When acomb inatio n ofLCD drive andgene ral-purpo seoutpu ts,theoutpu t state iseithe r:
All lit/hig h levelAll off/low level.
These pins go tothe static drivemode during thereset period.
Continued from preceding page.
COM1COM2 Output
21
LCD panel drive common polarity outputs
The table below shows how these pins are used depen ding on the dutyused.( values for alterna ting freque ncy reflect a typical specif ication of32.768 MHz for f 0.)
COM1
Static duty 1/2 duty 1/3 duty 1/4 duty
The static drivewaveform is outputduring the resetperiod.
*There are caseswhere thealternati ngfrequenc y stops forthe CF,RC andexternal clockspecifica tions.(These cases differdependi ng on optionspecifica tions.)