Sony HCD-M80 Service Manual ▷ View online
HCD-M80
9
9
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
(
no mark : TUNER (FM/AM)
(
) : CD PLAY
2-6.
SCHEMATIC DIAGRAM – MAIN (2/2)/JACK Boards –
C242
L201
C244
C245
C144
C145
R144
R244
R143
R243
C243
R323
C142
R241
R141
C143
C350
C351
Q408
Q409
Q406
Q407
C322
C318
C319
C321
C327
C320
C331
R161
R261
R364
Q312
Q100
Q200
C312
R307
R108
R208
R313
C313
JR303
R309
C315
SJ301
IC201
C141
C241
CN303
Q309
Q355
IC304
R308
CNP101
C310
IC525
D521
D520
C553
C556
C558
C554
J502
J501
RV500
CNP502
C506
C505
R591
JR532
JR531
JR530
R587
R590
R593
R551
R552
R558
R559
R571
R570
JR501
L503
L501
L502
S587
S593
S590
S594
R554
L101
IC305
Q313
IC101
R330
Q311
Q310
R383
CN304
JW312
JW379
R340
D315
D316
C369
C317
D311
JR305
JR306
D313
R305
R302
R240
R140
R142
R242
C309
C308
C306
D317
R341
D310
C561
LGP1
R556
C552
R553
C559
C555
C557
C307
C303
TH1
TH2
470p
0.1
0.1
0.1
0.1
4.7
4.7
100k
100k
22
50V
10k
470p
22k
22k
22
50V
4.7
50V
50V
4.7
50V
50V
DTC343TK
DTC343TK
DTC343TK
DTC343TK
470
16V
16V
10
50V
0.1
0.1
470
16V
16V
220
10V
10V
0.1
47
47
47
SRA2202S
DTC343TK
DTC343TK
220
10V
10V
10k
47k
68k
47k
100
10V
10V
0
1k
100
10V
10V
4P
TDA7296
47
50V
47
50V
17P
STC352-OY
KTC2026
KIA7808API
100k
11P
3300
25V
BA4558F-E2
1SS355TE-17
1SS355TE-17
1000p
1 50V
0.22
50V
1
50V
20k
8P
0.022
0.022
1k
0
0
0
330
470
680
1k
2.2k
1k
1k
10k
10k
0
100k
KIA7812API
SRC1202S
TDA7296
1k
KTC3198GR
-A
KTC3198GR
-A
220
8P
100
1SS133
1SS133
2200p
0.1
MTZJ-T-77-12B
0
0
1SS133
100
100k
680
680
33k
33k
3300
35V
3300
35V
47
50V
1SS355TE-17
470
MTZJ-T-77
-3.9A
2.2
4.7k
100p
100
10
16V
100p
100
10V
10V
100
16V
16V
1000
16V
A1
A2
A5
A6
A7
A10
A13
A16
A17
A18
A19
A3
A11
B/UP
KEY
STK_MUTE
AU_MUTE
H/P_DETECT
STBY_RELAY
STK_POWER
DC DET
AC DET
D/D CONTROL
GND
S
B
G
N
D
IN
-
IN
+
IN
+
M
U
T
C
D
B
O
O
T
+
V
S
-V
S
S
T
B
Y
M
U
T
E
+
P
W
V
S
O
U
T
-P
W
V
S
SBGND
IN-
IN+
IN+MUT
CD
BOOT
+VS
-VS
STBY
MUTE
+PWVS
OUT
-PWVS
AU MUTE
+8V
END SW
PLAY SW
REC/PB
ALC CON
H/P DETECT
(2/2)
+
+
-
-
R
L
SPEAKER
IMPEDANCE
USE 6-16Ω
MUTING
MUTING
MUTING
MUTING
CONTROL
SWITCH
Q312,313
MUTING
MUTING
MUTING
DC DETECT
Q310,311
POWER AMP
POWER AMP
N
C
N
C
N
C
N
C
D-GND
P-GND
VOL-CE
+12V REGULATOR
+8V REGULATOR
O
G
I
-22.5V
R1-GND
+22.5V
R2-GND
+14.2V
COM 8V
RELAY ON
AC DET
DVD POWER CONT
FAN CONTROL
BACKUP4V
+3.3V REGULATOR
KEY3
H/P LCH
H/P RCH
H/P DET
VCC
VSS
MIC AMP
PHONES
MIC LEVEL
MIC
TUNING MODE
PLAY MODE
REPEAT
FM MODE
CD SYNCHRO
DIRECTION
GND
GND
+12V
KEY3
GND
MIC
+12V
H/P LCH
H/P RCH
H/P DET
O
G
I
+12V REGULATOR
TC SW
LINE MUTE
REC MUTE
CD ON
MOT CON
SOL CON
KEY0
MIC
(CHASSIS)
(CHASSIS)
(CHASSIS)
4.7µH
4.7µH
0.47µH
ALC_CON
TC_SW
END_SW
PLAY_SW
M_CON
S_CON
CD_ON
SCE
REC/PB
REC_MUTE
LINE_MUTE
KEY
AU_MUTE
H/P_DETECT
(Page 8)
(Page 15)
(Page 11)
HCD-M80
10
10
2-7.
PRINTED WIRING BOARDS – CONTROL/LOADING/VIDEO Boards –
M901
(LOADING)
JW606
C691
CN602
JW679
CN601
CN606
JW657
IC607
C607
JW635
JW665
D604
JW628
JW645
C609
R675
Q635
D630
JW629
C653
JW634
C615
C650
JW661
D620
C647
D623
D624
C673
X602
X601
JW615
JW620
JW671
C611
JW668
JW612
JW683
JW641
JW603
JW613
JW667
JW651
JW650
CN605
JW652
JW659
JW655
JW614
JW609
JW622
C610
JW630
JW647
C608
JW649
JW642
JW640
JW638
JW618
JW643
JW666
JW631
JW653
JW610
JW680
JW611
CN603
JW677
JW678
JW672
JW676
JW621
JW674
IC605
JW639
JW670
JW637
JW682
JW619
JW624
JW601
JW669
JW632
JW644
JW636
CNP601
JW662
JW673
JW648
JW646
JW623
JW625
JW627
JW626
JW616
JW660
JW681
JW607
JW654
JW633
JW664
JW663
JW617
JW675
D622
JW658
JW602
JW604
JW656
JW605
IC606
JW608
JW684
C668
JW685
C627
R402
C626
Q602
IC601
C604
R487
R494
R495
R689
C605
R492
R497
R491
R493
R696
R489
R490
R488
R486
R619
R403
R467
R606
R484
R480
R475
R474
R470
R469
R468
R465
R460
R457
R459
R456
R458
R450
R448
R447
R446
R449
R445
R442
R443
R441
R439
R438
R430
R429
R425
R423
R628
R621
R422
R419
R420
FB601
C601
FB603
R417
R409
R405
R406
R454
C651
C648
R633
R404
R627
R629
C649
C614
Q606
R433
R674
Q637
R662
IC603
IC602
R407
R481
R436
R437
R440
C652
R605
R466
R676
R610
R451
R603
Q603
R650
C603
R435
R604
R602
R656
JR603
R660
FB602
C602
R427
R482
C632
JR602
JR601
Q601
Q604
Q607
R607
R609
R608
Q619
Q618
R601
Q605
C690
R632
R418
R455
C655
1
3
J701
CNP402
S1
DISC TRAY
OPEN/CLOSE
DETECT
OPEN
CLOSE
S1
LOADING BOARD
1-676-599-
11
(11)
CONTROL BOARD
E
J
SWITCH
BOARD
CN501
E
E
E
E
E
H
POWER BOARD
CN903
E
E
E
E
C
VMP BOARD
CN210
E
MAIN BOARD
CN302
1-685-829-
G
MAIN
BOARD
CN303
VIDEO BOARD
3
1
VIDEO OUT
1-685-430-
22
(22)
D
VMP
BOARD
CN301
A
B
C
D
E
1
2
3
4
5
6
7
8
9
12, 13
(12), (13)
(Page 7)
(Page 7)
IC607
D-2
Q601
D-2
Q602
C-2
Q603
C-2
Q604
C-6
Q605
C-6
Q606
B-7
Q607
B-6
Q618
C-2
Q619
C-3
Q635
B-3
Q637
B-3
Ref. No.
Location
Ref. No.
Location
D601
C-3
D604
D-5
D620
D-5
D622
D-2
D623
C-2
D624
C-2
D630
D-2
IC601
C-4
IC602
C-2
IC603
D-5
IC605
D-3
IC606
D-6
• Semiconductor Location
(Page 12)
(Page 14)
HCD-M80
11
11
2-8.
SCHEMATIC DIAGRAM – CONTROL/LOADING/VIDEO Boards –
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
(
no mark : TUNER (FM/AM)
(
) : CD PLAY
〈〈
〉〉
: TAPE PLAY
R650
R656
C626
C627
C611
IC606
Q604
Q606
Q607
R607
C647
D623
R627
R402
R403
R404
R405
R406
R407
R409
R419
R420
R422
R423
R425
R427
R429
R430
C691
R
433
R435
R436
R
437
R438
R439
R440
R441
R445
R446
R
447
R448
R449
R450
R628
R621
C668
IC602
R633
D624
Q603
Q602
Q601
R609
R608
C649
R629
C632
R632
D622
C648
C650
C610
R604
C605
R696 R492
R662
R601
R602
R603
R689
R497
R495
R494
R
493
R491
R490
R489
R488
R487
R
486
R484
R482
R
481
IC603
C609
IC605
C655
R459
R458
R457
R456
R455
R454
R469
R468
R467
R466
R465
R619
R475
R474
TP
R605
R606
R470
R460
R451
D
620
R660
C651
C653
D630
C673
Q637
R674
R676
R675
CN606
C652
JR603
CN602
CN605
CN601
CN603
CNP601
C608
C607
C615
R610
C614
R480
IC601
M901
JR602
JR601
C6
90
CNP402
J700
IC607
Q619
Q618
FB602
FB601
R443
R442
FB603
C601
C602
C604
X602
R418
X601
C603
R417
Q635
Q605
S1
D604
CN1
10k
22k
0.1
0.1
100
10V
10V
KIA7805API
DTC343TK
SRA2202S
SRC1202S
10k
10
50V
1SS133T-77
10k
1k
1k
1k
100
1k
100
4.7k
0
47k
1k
1k
1k
1k
1k
1k
3300
6.3V
6.3V
1k
470
100
470
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
10k
10k
0.22
5.5V
M62703ML
22k
1SS133T-77
SRC1202S
SRC1202S
KTC3875Y
1k
2.2k
0.22
4.7k
1000p
47k
1SS133T-77
0.22
1
50V
100
10V
10V
47k
1000p
4.7k
0
3.3k
3.3k
3.3k
4.7k
1k
1k
1k
0
1k
1k
1k
1k
1k
1k
1k
1k
1k
TC74VHCT04AF
100
10V
10V
KIA7805API
47p
1k
1k
1k
100
47k
100
1k
1k
1k
1k
1k
0
10k
1k
10k
10k
1k
100
1k
1S
S133T-77
0
0.1
47
16V
MTZJ-T-77
-4.7C
22
16V
SRC1202S
1k
47k
220
5P
0.1
0
17P
19P
19P
25P
3P
4.7
16V
4.7
16V
100
10V
10k
0.1
1k
M30620MCN-A16FP
0
0
1000
0p
3P
KA3082
KTC3875Y
SRA2202S
1k
1k
20p
18p
0.1
16MHz
1k
32.768KHz
0.1
10k
KTA1266Y-AT
DTC343TK
1SS133T-77
5P
STK_POWER
KEY0
TC_SW
END_SW
AU_MUTE
REC/PB
CD_ON
ALC_CON
MOT_CON
SOL_CON
REC_MUTE
H/P_DETECT
PLAY_SW
ST_CLK
ST_DIN
ST_DOUT
DC_DET
SYS_RST
SYS_OK
SYS_RQ
SYS_CS
DATA
XLT
SYS_CLK
TU_ON
TUNED
STBY_LED
TU_LED
CD_LED
TC_LED
CDSYNC_LED
LCD_DATA
LCD_CLK
LCD_CS
LCD_RS
SIRCS
KEY1
KEY2
ST_CE
VIDEO_MUTE
VIDEO_MUTE
LINE_MUTE
SYS_CS
CD_MUTE
CD_MUTE
LCD_RS
LCD_CS
LCD_CLK
LCD_DATA
KEY1
KEY2
DSG LED
SIRCS
TC_LED
CD_LED
TU_LED
STBY_LED
POWERKEY
ST_DIN
ST_CE
ST_CLK
ST_DOUT
TUNED
TU_ON
DC_DET
STK_MUTE
STBY_RELAY
VOL_CLK
VOL_DATA
STK_POWER
CDSYNC_LED
DSG LED
END_SW
PLAY_SW
TC_SW
LINE_MUTE
REC/PB
REC_MUTE
ALC_CON
MOT_CON
SOL_CON
H/P_DETECT
KEY0
AU_MUTE
CD_ON
STBY_RELAY
DATA
XLT
SYS_CLK
SYS_RQ
SYS_OK
SYS_RST
AA1
AA2
AA3
AA4
AA5
AA1
AA2
AA3
AA5
AA4
POWERKEY
BB1
BB2
BB3
BB4
BB1
BB2
BB3
BB4
VOL_DATA
VOL_CLK
STK_MUTE
*
STBY_RELAY
STK_POWER
REC/PB
+8V
D-GND
P-GND
VOL-CE
SOL_CON
KEY0
GND
LOAD_IN
LOAD_OUT
OUT1
OUT2
D-GND
D-0UT
R-CH
A-GND
L-CH
M-GND
A+5V(SW)
D+5V(SW)
M+7V(UNSW)
N.C.
VIDEO MUTE
N.C.(SCLK)
TUNED
R-OUT
L-OUT
D.GND
P.GND
CD8V
A-GND
STK_MUTE
AC DET
D/DCON CONTROL
FAN_CON
BACKUP4.0V
+8V
LCD_RS
POWERKEY
AC DET
LCD_CS
LCD_CLK
LCD_DATA
KEY1
KEY2
BACKUP4.0V
CDSYNC_LED
DSG LED
SIRCS
STBY_LED
+8V
D-GND
TU_LED
CD_LED
TC_LED
CD8V
M-GND
VREF
AVCC
KEY0
KEY1
KEY2
DETECT
CNVSS
BYTE
RESET
SIRCS
XCIN
XCOUT
XOUT
VSS
XIN
VCC
NMI
RDS-INT
AC-CUT
PWM3
PWM2
VIDEO
SEL
IIC-CLK
IIC-DATA
PWM1
TXD1
LED2
DETECT
VCC
1-4
LIGHT
BACK
VSS
CD MUTE
SOFT-TEST
OPEN
CLOSE
GND
LOAD_IN
LOAD_OUT
DISC TRAY
OPEN/CLOSE
DETECT
CLOSE
OPEN
(LOADING)
VMP GND
VMP GND
VMP-VIDEO
VIDEO OUT
AU MUTE
H/P DETECT
MOT CON
CD ON
ALC CON
REC MUTE
LINE MUTE
TC SW
PLAY SW
END SW
GND
OUT1
VZ1
VCTL
IN1
IN2
VCC
VCC2
VZ2
OUT2
LOADING
MOTOR DRIVE
Q602,603
STANDBY
SWITCH
B+ SWITCH
SWITCH
RESET
SWITCH
RESET
RESET
SIGNAL
GENERATOR
O
G
I
SWITCH
Q606,607
MUTING
CONTROL
MUTING
B+ SWITCH
Q635,637
MUTE
LCD DATA
LCD SCK
VOLUME B
VOLUME A
BASS A
DISPLAY KEY
BASS B
POWER KEY
PC POWER
SYSTEM CONTROLLER
STK MUTE
LINE-
ALC
FAN CONTROL
STK-POWER
AMP-CE
AMP-DATA
AMP-CLK
INPUT SEL
DA MUTE/
TREBLE A
TREBLE B
MDM POWER
B SHUT
B HALF/REC
MODEL-IN
SPEC-IN
AVSS
DC-
RDS-DATA
LCD RS
LCD CS
SYSCS
ST-MUTE
ST-CE
ST-DOUT
ST-DIN
ST-CLK
LOAD-IN
LOAD-OUT
CD-POWER
XTSL
SYSRST
CAPM-CNT1
B TRG
SYSOK
TUNED
SYSRQ
HEAD PHONE
LED7
LED6
LED5
LED4
LED3
TC-RELAY
LED1
REC-MUTE
TUNER ON
TC-MUTE
B PLAY
SYSCLK
SYSIN
SYSOUT
FM ON/STEREO
V-MUTE
RXD1
INVERTER
VCC
VSS
O
G
I
+5V REGULATOR
* R696
0
1k
(SP,TH)
(EA)
MUTING
O
G
I
+5V
REGULATOR
ST-DIN
ST-CE
ST-CLK
ST-DOUT
RDS-INT
RDS-DATA
TU-ON
DC DET
VOL-SCK
CD 10V
VOL-SDA
SYS RST
SYS OUT
SYS IN
SYS CLK
SYS RQ
SYS OK
SYS CS
RELAY
STBY-
HEAD PHONE MUTE
(Page
8)
(Page 15)
(Page 9)
(Page 13)
HCD-M80
12
12
2-9.
PRINTED WIRING BOARD – SWITCH Board –
D500
D-2
D501
E-2
D502
E-4
D503
D-5
D504
E-5
D505
C-5
D506
C-6
D507
C-2
D508
B-6
D509
B-2
D514
B-6
IC502
D-2
Q501
D-4
Q502
D-5
Q503
D-5
Q504
D-4
Q505
D-5
Q506
D-5
Q507
D-2
Q508
D-2
• Semiconductor
Location
Ref. No.
Location
JW520
JW521
D503
D504
D502
D501
JW506
JW516
JW501
D509
D507
D506
D508
S527
S528
S526
S525
S513
S520
S503
S524
S519
S517
S531
S530
S521
S518
S514
S523
D505
JW511
CN501
JW515
C522
IC502
R533
JW510
JW502
JW503
R532
JW505
JW512
JW514
JW513
C531
JW517
JW504
JW508
JW509
C532
JW519
D500
D514
C533
JW523
Q501
R519
Q502
Q503
Q504
Q505
R502
R513
R505
R520
R517
R518
JR504
R528
R516
R503
JR521
R526
R514
R522
R501
R504
R524
R506
R523
Q506
C521
C574
R521
L512
C503
JR505
R527
R537
R538
R535
R536
R534
R531
C575
R525
Q507
Q508
R507
R530
C500
L511
D506, 508
(LCD BACK LIGHT)
D507, 509
(LCD BACK LIGHT)
TUNING +
TUNING −
CD
VOLUME +
CD
CD
CD
VOLUME −
TUNER
TUNER
FM
TUNER
AM
3
1
TAPE
DSG
D503, 519
FUNCTION
TAPE
TAPE
REC
1-685-830-
(STANDBY)
CD SYNCHRO
LCD502
LIQUID CRYSTAL DISPLAY
SWITCH BOARD
J
CONTROL BOARD
CN605
10
A
B
C
D
E
F
1
2
3
4
5
6
12, 13
(12), (13)
(Page 10)
Click on the first or last page to see other HCD-M80 service manuals if exist.