Sony CMT-M80V / HCD-M80 Service Manual ▷ View online
HCD-M80
33
33
6-18. SCHEMATIC DIAGRAM – CONTROL/LOADING/VIDEO Boards – •
See page 38 for Waveforms.
•
See page 40 for IC Block Diagram.
• 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-A12FP
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
30)
(Page
26)
(Page 37)
(Page 31)
(Page 35)
(Page 26)
HCD-M80
34
34
6-19. PRINTED WIRING BOARD – SWITCH Board –
•
See page 21 for Circuit Boards Location.
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-
11
(11)
(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
(Page 32)
HCD-M80
35
35
6-20. SCHEMATIC DIAGRAM – SWITCH Board –
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
no mark : TUNER (FM/AM)
JR505
R530
R537
R536
R535
R534
C575
C574
C503
C531
JR504
C533
L511
C532
R507
C500
Q508
Q507
D508
D507
D506
D509
R532
R533
R522
R513
R514
R523
R524
R525
R526
R527
R528
R521
R520
R519
R518
R517
R516
R501
D502
D501
R502
R503
D503
R504
D504
R505
D514
D505
Q501
Q502
Q503
Q504
Q505
Q506
R506
R531
C522
C521
IC502
D500
CN501
R538
LCD502
L512
S527
S528
S526
S524
S525
S523
S514
S513
S503
S530
S531
S521
S520
S519
S518
S517
JR521
0
10k
100
100
100
100
1000p
1000p
0.1
1
50V
0
10
6.3V
1
50V
22k
0.1
SRC1202S
SRA2202S
SELS6B14C-LF62
SELS6B14C-LF62
SELS6B14C-LF62
SELS6B14C-LF62
220
220
220
330
470
680
1k
1.5k
2.2k
4.7k
2.2k
1.5k
1k
680
470
330
220
560
SLR-343-YC
SLR-343-YC
560
560
SLR-343-YC
560
SLR-343-YC
560
SLR325VR-T31
SLR325VR-T31
SRC1202S
SRC1202S
SRC1202S
SRC1202S
SRC1202S
SRC1202S
1k
1k
4.7
16V
16V
10000p
NJL74H400A
1SS133T-77
19P
10k
0
AC DET
KEY1
KEY2
SIRCS
D-GND
+8V
LCD_RS
POWERKEY
LCD_CS
LCD_CLK
LCD_DATA
CDSYNC_LED
DSG_LED
TC_LED
CD_LED
TU_LED
STBY_LED
BACKUP4.0V
+8V
LIQUID CRYSTAL DISPLAY
D506-509
(LCD BACK LIGHT)
Q507,508
B+ SWITCH
G
I
O
REMOTE
CONTROL
RECEIVER
LED DRIVE
(STANDBY)
CD SYNCHRO
LED DRIVE
LED DRIVE
LED DRIVE
LED DRIVE
LED DRIVE
DSG
TAPE
TUNER
CD
TAPE
TUNER
FM
DSG
TUNER
AM
TAPE
TUNING +
VOLUME +
VOLUME -
FUNCTION
TUNING -
CD
CD
CD
REC
10
µ
H
4.7µH
(Page 33)
HCD-M80
36
36
6-21. PRINTED WIRING BOARD – POWER Board –
•
See page 21 for Circuit Boards Location.
D902
E-4
D903
E-4
D904
D-4
D905
D-4
D906
E-5
D907
D-5
D908
D-5
D909
D-5
D910
C-2
D911
C-2
D912
C-3
D913
C-3
D914
B-5
D915
B-5
D916
B-5
D917
B-5
D918
D-3
D919
B-4
D920
C-4
D921
C-5
D922
C-4
IC901
B-3
IC904
B-5
Q902
C-4
• Semiconductor
Location
Ref. No.
Location
D911
C921
R907
JW909
IC901
D919
JW920
T901
Q902
IC904
C925
D916
C918
CN903
D903
D902
D905
D904
D917
JW918
CN901
D913
D910
FH904
D912
RY901
FH903
D915
R906
C901
FH908
FH907
D918
JW916
CN902
R905
JW913
JW914
D914
D906
D909
D908
D921
R901
D907
JW911
D922
C920
JW915
JW912
FH910
FH909
D920
R904
R902
FH913
FH914
FH911
FH912
R903
L901
POWER BOARD
F901
H
CONTROL
BOARD
CNP601
1
2
(AC IN)
LF901
LINE
FILTER
T901
SUB POWER
TRANSFORMER
∗
∗
NOT REPLACEABLE
BUILT IN TRANSFORMER
BUILT IN TRANSFORMER
(TH)
S901
VOLTAGE
SELECTOR
110 − 120V
220 − 240V
-1
-2
(TH)
(EA, SP)
∗
∗
NOT REPLACEABLE:
BUILT IN TRANSFORMER
BUILT IN TRANSFORMER
T902
MAIN POWER
TRANSFORMER
F904
F903
F907
F906
(EA, SP)
11
F
MAIN
BOARD
CNP101
1-685-828-
11
(11)
A
B
C
D
E
F
G
1
2
3
4
5
6
(TH)
(Page 29)
(Page 32)
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