Sony CMT-M90DVD / HCD-M90 Service Manual ▷ View online
HCD-M90
61
61
6-33. SCHEMATIC DIAGRAM – TC Board (Suffix-12) –
•
See page 82 for Waveforms.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : TAPE PLAY
(
no mark : TAPE PLAY
(
) : REC
C402
C403
R212
R428
R425
R426
R418
R422
R424
R423
R409
R410
R412
R411
R414
C401
R415
R416
JR102
C400
R413
R417
R103
R104
R105
R106
C107
C108
C106
C105
R101
C104
C207
R206
C208
C206
C205
R201
R203
R204
R205
C204
C101
C410
C201
R408
R407
Q405
Q404
R406
Q403
C435
R404
C422
R405
R403
R402
C434
JR201
R401
C433
C432
R109
R111
C110
C111
C211
C210
R211
R112
R208
R207
Q200
Q201
R108
R107
Q100
Q101
JR103
R213
JR104
C109
C209
JR106
JR105
RV101
RV201
R400
R113
R209
TH1
TH2
TH3
CNP1
T101
T201
T401
CN301
Q401
Q402
IC401
CN302
C407
C202
C102
R202
R102
C437
D401
0.01
0.01
5.6k
4.7k
4.7k
4.7k
4.7k
10k
47k
22k
4.7k
10k
10k
47k
33
100
16V
16V
47k
1k
0
10
50V
1M
24k
10k
2.2k
47k
10k
1
50V
2.2
50V
50V
10
50V
1
50V
47k
0.01
1
50V
10k
2.2
50V
50V
10
50V
1
50V
47k
10k
2.2k
47k
0.01
470p
1
50V
470p
4.7k
47k
KRC107S
KRA102S
4.7k
KRC102S
0.01
10k
0.0068
10
47
10
47
10V
0
3.3k
0.0047
0.012
2.2k
10k
0.01
330p
330p
0.01
10k
5.6k
10k
10k
KTC3203Y
KTC3203Y
10k
10k
KTC3203Y
KTC3203Y
0
10
0
0.001
0.001
1K
1K
33k
33k
1
10
2.2k
8P
17P
KTC3203Y
KTA1266Y-AT
HA12236F
8P
10
50V
47
16V
47
16V
47k
47k
10
50V
0
REC-MUTE
PLAY-SW
PACK
REC-L
REC-R
MO +12V
MO GND
SOL 12V
END SW
END SW
ALC CONT
1
2
3
4
5
6
(CHASSIS)
(CHASSIS)
(CHASSIS)
L-CH
R-CH
ERASE
HRPE901
ERASE
RECORD/PLAYBACK/
TAPE DECK BLOCK
THE ASSEMBLED
BLOCK
SUPPLIED WITH
MUTING
Q100,101,200,201
REC/PB EQ AMP,
ALC
BIAS OSC
BIAS OSC
Q402,403
REC BIAS
SWITCH
SWITCH
Q404,405
MUTING CONTROL
REC IN-R
R-OUT
REC/PB
LINE MUTE
A-GND
REC IN-L
+8.0V
L-OUT
MO GND
TC-SW
PLAY-SW
MO +12V
SOL 12V
PB-
NF1(L)
PB-NF2(L)
PB-
EQ(L)
EQ-
O
UT(L)
TAI(L)
PB-
O
UT(L)
MUTE
NC
R
EC
-
IN
(L)
ALC(L)
NC
REC-OUT(L)
TEST
I-
REF
GND
VCC
ALC-
DET
REC
MUTE
MUTE
A/
B
NOR
HI/
ALC
REC-OUT(R)
NC
(R)
ALC
REC-
N
C
PB-
OU
T(R
)
IN
(R)
(R)
TAI
OUT(R
)
EQ-
PB-
EQ(R)
PB-
PB-NF2(R)
NF1(R)
AIN
(R)
NC
BIN
(R)
GND
REC
BIN
(L)
RIP
AIN
(L)
EQ
ALC
EQ
MUTE
A
B
A
B
B+3.3V
(Page 64)
HCD-M90
62
62
IC401
1
10
11
20
30
21
31
40
TC BOARD
1-684-172-
(32)
E
C
B
E
C
B
E
C
B
E
C
B
1
2
7
8
TAPE DECK BLOCK
SUPPLIED WITH
THE ASSEMBLED
BLOCK
H
MAIN BOARD
CN301
HEAD
RELAY
BOARD
HRPE901
(RECORD/PLAYBACK/ERASE)
L-CH
R-CH
ERASE
(CHASSIS)
A
1
3
A
B
C
D
E
1
2
3
4
5
32
6-34. PRINTED WIRING BOARD – TC Board (Suffix-32) –
•
See page 35 for Circuit Boards Location.
(Page 67)
• Semiconductor
Location
Ref. No.
Location
IC401
C-4
Q100
D-2
Q101
D-3
Q200
D-4
Q201
D-4
Q401
D-2
Q402
D-2
Q403
B-3
Q404
C-3
Q405
C-3
Ver 1.3
HCD-M90
63
63
6-35. SCHEMATIC DIAGRAM – TC Board (Suffix-32) –
•
See page 82 for Waveforms.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : TAPE PLAY
(
no mark : TAPE PLAY
(
) : REC
C402
C403
R212
R428
R425
R426
R418
R422
R424
R423
R409
R410
R412
R411
R414
C401
R415
R416
JR102
C400
R413
R417
R103
R104
R105
R106
C107
C108
C106
C105
R101
C104
C207
R206
C208
C206
C205
R201
R203
R204
R205
C204
C101
C410
C201
R408
R407
Q405
Q404
R406
Q403
C435
R404
C422
R405
R403
R402
C434
JR201
R401
C433
C432
R109
R111
C110
C111
C211
C210
R211
R112
R208
R207
Q200
Q201
R108
R107
Q100
Q101
JR103
R213
JR104
C109
C209
JR106
JR105
RV101
RV201
R400
R113
R209
TH3
CNP1
T101
T201
T401
CN301
Q401
Q402
IC401
CN302
C407
C202
C102
R202
R102
C437
R420
0.01
0.01
5.6k
4.7k
4.7k
4.7k
4.7k
10k
47k
22k
4.7k
10k
10k
47k
33
100
16V
16V
47k
1k
0
10
50V
1M
24k
10k
2.2k
47k
10k
1
50V
2.2
50V
50V
10
50V
1
50V
47k
0.01
1
50V
10k
2.2
50V
50V
10
50V
1
50V
47k
10k
2.2k
47k
0.01
470p
1
50V
470p
4.7k
47k
KRC107S
KRA102S
4.7k
KRC102S
0.01
10k
0.0068
10
47
10
47
10V
0
3.3k
0.0047
0.012
2.2k
10k
0.01
330p
330p
0.01
10k
5.6k
10k
10k
KTC3203Y
KTC3203Y
10k
10k
KTC3203Y
KTC3203Y
0
10
0
0.001
0.001
1K
1K
33k
33k
1
10
2.2k
8P
17P
KTC3203Y
KTA1266Y-AT
HA12237F
8P
10
50V
47
16V
47
16V
47k
47k
10
50V
0
REC-MUTE
PLAY-SW
PACK
REC-L
REC-R
MO +12V
MO GND
SOL 12V
END SW
END SW
ALC CONT
1
2
3
4
5
6
(CHASSIS)
L-CH
R-CH
ERASE
HRPE901
ERASE
RECORD/PLAYBACK/
TAPE DECK BLOCK
THE ASSEMBLED
BLOCK
SUPPLIED WITH
MUTING
Q100,101,200,201
REC/PB EQ AMP,
ALC
BIAS OSC
BIAS OSC
Q402,403
REC BIAS
SWITCH
SWITCH
Q404,405
MUTING CONTROL
REC IN-R
R-OUT
REC/PB
LINE MUTE
A-GND
REC IN-L
+8.0V
L-OUT
MO GND
TC-SW
PLAY-SW
MO +12V
SOL 12V
PB-
NF1(L)
PB-NF2(L)
PB-
EQ(L)
EQ-
O
UT(L)
TAI(L)
PB-
O
UT(L)
MUTE
NC
R
EC
-
IN
(L)
ALC(L)
NC
REC-OUT(L)
TEST
I-
REF
GND
VCC
ALC-
DET
REC
MUTE
MUTE
A/
B
NOR
HI/
ALC
REC-OUT(R)
NC
(R)
ALC
REC-
N
C
PB-
OU
T(R
)
IN
(R)
(R)
TAI
OUT(R
)
EQ-
PB-
EQ(R)
PB-
PB-NF2(R)
NF1(R)
AIN
(R)
NC
BIN
(R)
GND
REC
BIN
(L)
RIP
AIN
(L)
EQ
ALC
EQ
MUTE
A
B
A
B
B+3.3V
(Page 68)
Ver 1.3
HCD-M90
64
64
R121
JR307
JR308
R215
C215
JR312
R201
C209
C208
JR304
C108
C109
C302
C348
R204
R102
R104
C170
R123
R122
C376
R130
R304
R350
C130
R131
R331
R120
R220
R222
R221
C230
R231
JR302
R230
C339
R311
C346
C347
R203
C211
C111
R103
R280
R180
Q343
Q344
JR301
Q330
D309
C324
D305
C323
C360
R310
Q303
Q304
R260
IC324
C260
C372
R218
L304
R320
CN301
R213
R113
R214
R114
C304
C326
C231
C250
C131
C150
C163
JR311
C106
C104
C103
C102
C214
C301
C263
C206
C210
C204
C203
C202
C201
Q301
R317
R318
R371
Q302
R372
C380
R374
R376
R373
R375
C381
C385
C382
C384
C383
X301
D320
C387
C386
IC326
SJ302
IC323
R101
C110
C115
R115
R118
C114
JR101
C101
JR201
JR309
R377
Q342
Q341
CN302
R106
R105
C107
R107
C207
R207
R205
R206
R202
C270
D312
R339
JR313
R160
C160
D302
JW302
2.2k
0
0
0
4.7
50V
50V
0
4.7k
0.22
0.1
0
0.1
0.22
1000p
100p
2.2k
1k
2.2k
10k
10k
100
16V
16V
4.7k
100
4.7k
100p
47k
10k
220k
220k
10k
2.2k
100p
47k
0
4.7k
220
16V
47
0.1
100p
10k
1
1
10k
2.2k
4.7k
SRC1202S
SRC1202S
0
SRC1202S
MTZJ-T-77
-7.5C
470
16V
MTZJ-T-77-10B
0.1
47
16V
100
SRA2202S
SRC1202S
47
NJM3414A
10
10V
100p
1k
330k
17P
4.7k
4.7k
47k
47k
100
16V
16V
10
10V
4.7
16V
16V
4.7
16V
16V
4.7
16V
16V
4.7
16V
16V
4.7
16V
16V
0
4.7
50V
4.7
50V
4.7
50V
4.7
50V
4.7
50V
10
50V
4.7
16V
16V
4.7
50V
4.7
50V
4.7
50V
4.7
50V
4.7
50V
4.7
50V
KTC3205
47k
47k
4.7k
2SC2412K
470k
0.1
100k
68k
1k
47k
330p
47
16V
0.01
51p
56p
4.332MHz
MTZJ-T-77
-4.3B
4.7
50V
560p
BU1924F
2P
LC75342
4.7k
4.7
50V
4.7
50V
50V
0
1k
4.7
50V
50V
0
4.7
50V
50V
0
0
470
2SA950-Y-TPE2
2SA950-Y-TPE2
25P
1k
3.3k
1500p
6.8k
1500p
6.8k
3.3k
1k
1k
1SS133T
47k
0
47
10
10V
11ES2-TA1B
33µH
A1
A2
A5
A6
A7
A10
A13
A16
A17
A18
A19
ALC_CON
TC_SW
END_SW
PLAY_SW
MD_L
MD_R
TCREC_L
TCOUT_L
TCOUT_R
REC_MUTE
REC/PB
LINE_MUTE
M_CON
S_CON
TU_R
TU_L
TU ON
TU ON
AA1
AA2
AA3
AA4
AA5
AA1
AA2
AA3
AA4
AA5
V
O
L
-S
C
K
VOL-SCK
V
O
L
-S
D
A
VOL-SDA
S
C
E
T
C
R
E
C
_
L
M
D
_L
TC
O
U
T
_
L
T
U
_
L
T
U
_
R
T
C
O
U
T_R
M
D
_
R
REC
R
E
C
BB1
BB2
BB3
BB1
BB2
BB3
DC DET
STK_MUTE
B/UP
STBY_RELAY
STK_POWER
AC DET
D/D CONTROL
∗
∗
RDS-DATA
RDS-IN
TUNED
R-OUT
L-OUT
DC DET
CD8V
CD 5V
VOL-SDA
VOL-SCK
ST-DOUT
ST-CLK
ST-CE
ST-DIN
A-GND
A-GND
REC/PB
TC-SW
REC IN-R
R-OUT
REC IN-L
L-OUT
MO GND
END SW
QUAL
RDATA
VREF
MUX
VDD1
VSS1
VSS3
CMP
T2
T1
VSS2
VDD2
X1
XO
NC
RCLK
(1/2)
HEADPHONE AMP
VCC
GND
POWER ON
MUTING
SWITCH
Q303,304
TUNER ON
+9.5V REGULATOR
(AEP,UK)
DET AMP
RDS DECODER
(AEP,UK)
Q342,344
TRIGGER
PLUNGER DRIVE
Q341,343
CAPSTAN/REEL
MOTOR DRIVE
TU-ON
PLAY-SW
MO +12V
+8.0V
LINE MUTE
REC-MUTE
ALC CONT
AUDIO IN
MD(VIDEO)
L
R
AM
ANTENNA
TU1
THE ASSEMBLED
BLOCK
SUPPLIED WITH
(AEP,UK)
(EXCEPT AEP,UK)
INPUT SELECT
ELECTRICAL
SWITCH,
TONE CONTROL
VOLUME,
∗
C170,270
0.022
0.01
SOL 12V
(EXCEPT SP)
(SP)
D.GND
P.GND
STK_MUTE
BACKUP4.0V
STBY_RELAY
AC DET
STK_POWER
FAN_CON
D/DCON CONTROL
B+3.3V
(US,CND,SP,AUS)
FM 75Ω
FM 75Ω
4.7µH
6-36. SCHEMATIC DIAGRAM – MAIN Board (1/2) (Suffix-14) – •
See page 82 for Waveforms.
•
See page 85 for IC Block Diagrams.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
no mark : TUNER (FM/AM)
(
) : DVD/CD PLAY
〈〈
〉〉
: TAPE PLAY
(Page 61)
(Page 71)
(Page 65)
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