Sony CMT-M80V / HCD-M80 Service Manual ▷ View online
HCD-M80
25
25
6-10. SCHEMATIC DIAGRAM – TC Board –
•
See page 38 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
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)
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-
OUT(L)
TAI(L
)
PB-
O
UT
(L)
MUTE
NC
REC-
IN(L)
ALC(L)
N
C
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-
NC
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
B
(Page 30)
HCD-M80
26
26
6-11. SCHEMATIC DIAGRAM – VMP Board (1/2) –
•
See page 38 for Waveforms.
•
See page 40 for IC Block Diagrams.
• Voltages are dc with respect to ground under no-signal
conditions.
no mark : VIDEO CD PLAY
no mark : VIDEO CD PLAY
∗
: Impossible to measure
C314
R323
FL201
TP419
TP418
TP417
TP416
TP415
TP414
TP413
TP412
TP411
TP410
TP409
TP408
TP407
TP406
TP405
TP404
TP403
TP402
TP401
C201
C202
C213
C203
C214
C210
C209
C204
C205
C206
C207
IC102(2/2)
IC102(1/2)
R159
R109
R108
C105
R115
C115
R102
R114
C114
C116
C106
IC201
C566
IC506
C567
TP448
TP447
TP446
TP445
TP444
TP443
TP442
TP441
TP440
TP439
TP438
TP437
TP436
TP434
TP433
TP432
TP431
TP430
TP429
TP428
TP427
TP426
TP425
TP424
TP422
TP421
CN101
R202
R201
C223
FB251
C211
C212
C561
IC507
C208
FB201
IC202
L102
C259
C576
R581
R582
C104
R107
C584
C583
C582
C596
C581
C597
C575
C573
C571
FL502
FL501
C574
IC508
C224
R301
TP312
TP313
TP311
TP310
TP309
R306
C307
C308
C309
R309
R308
R307
TP304
L301
C305
C302
C301
C303
R302
R305
R303
R310
IC303
R316
R314
C312
L311
R312
TP301
C318
R315
C313
R317
C311
R311
C317
R318
C315
TP302
Q301
R322
C322
L321
C323
C321
R321
C324
TP303
L322
R326
C339
C338
C327
R327
C328
R325
R324
C325
C326
C360
Q370
C364
C361
C329
TP306
C363
R374
R372
R373
R375
C365
C366
IC307
C221
C222
IC301
IC302
TP305
C155
R158
C154
R157
C254
R561
C255
C257
FB252
FB360
C572
R376
C258
R152
FB561
CN201
Q302
JW301
IC304
C253
Q581
IC504
C156
JW523
JW524
Q201
CN301
TP307
TP308
JW203
0.1
470
22
6.3V
0.1
22
6.3V
100
6.3V
22
6.3V
0.1
22
6.3V
0.1
0.1
0.1
0.1
NJM2100M(T
E2)
NJM2100M(T
E2)
1.5k
1.5k
1.5k
0.0047
2.2k
0.1
100
2.2k
22
6.3V
100
6.3V
1200p
100
6.3V
BU2507FV-E2
0.1
28P
100
100
100
6.3V
100
6.3V
0.1
0.1
VG3612816BT
-7L
0.1
BA033FP-E2
100
6.3V
100
6.3V
100
470
22
6.3V
10k
0.1
0.1
10
16V
10
16V
0.1
10
16V
100
6.3V
0.1
0.1
0.1
MR27V401E-
054MAZ020
0.1
220k
1k
150p
150p
220p
10k
10k
10k
0.1
0.1
10
16V
10
16V
470
10k
120k
1k
NJM2255M
(TE2)
10k
10k
15p
0
100
6.3V
10k
10p
10k
22p
220
0.1
100
47p
2SA1602TP-
1EF
0
15p
10p
22p
220
22
6.3V
2.2k
100
6.3V
0.1
22p
100
0.0047
2.7k
150
220p
150p
100
6.3V
RT1N141M-TP-1
10
16V
0.1
0.01
10
16V
4.3k
2.2k
2.2k
75
100 6.3V
100 6.3V
BD7600FV-E2
10
16V
10
16V
BA7046F-E2
TC74VHCU04
FT(EL)
0.0047
1.5k
22 6.3V
10k
0.1
1k
0.1
68
10V
0.1
10k
0.1
100
19P
2SC4154TP-
1EF
0
NJM2209M
(TE2)
0
2SC4154TP
-1EF
PCM1748E/2K
1200p
0
0
2SD999-T1
-CLCK
3P
0
A1
A2
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
66
34
35
36
37
39
40
41
42
43
44
60
62
63
49
56
59
37
36
35
34
45
76
72
68
73
77
56
55
54
53
52
51
50
49
65
64
63
62
61
60
59
78
70
44
43
42
41
40
39
2
3
5
6
9
13
13
2
74
SCK
SRQ
SOK
SCS
61
64
65
50
51
52
53
54
55
66
205
2
9
30
2
6
20
4
201
20
3
45
1887SI
1887SO
9
6
5
3
164
163
162
160
173
165
133
137
138
140
141
142
143
135
28
29
30
VIN
V+
BGP
NC
NC
NC
NC
NC
GND
V+
MGND
MGND
7V
MDP
STBY
SFDR
SRDR
TFDR
TRDR
FFDR
FRDR
SSTP
RFDC
RFAC
TE
SE
FE
GND
DVC
CTRL
D/A1
D/A2
D/A3
LD ON(D/A4)
LD GND
GND
LD
CLK
DI
VSS
AO2
AO3
RST
AO4
AO5
VDD
VCC
AO6
AO1
GND
D-GND
D-0UT
R-CH
A-GND
L-CH
M-GND
A+5V(SW)
D+5V(SW)
M+7V(UNSW)
N.C.
SYS RST
SYS CLK
SYS RQ
VIDEO MUTE
SYS OK
N.C.
SYS CS
VDD
DQ0
DQ1
VSSQ
DQ3
DQ4
DQ5
DQ6
VSSQ
DQ7
DQ2
LDQM
WE
CAS
RAS
CS
A0
A1
A2
A3
VDD
A10/AP
BA1
BA0
VDDQ
VDDQ
VDD
DQ15
A4
A5
A6
A7
A8
A9
NC
CKE
UDQM
D8
VSSQ
DQ10
DQ11
CLK
DQ12
DQ13
DQ14
VSSQ
VSS
VSS
VDDQ
DQ9
VDDQ
VSS
NC/RFU
A11
A17
DQ4
DQ5
DQ6
DQ7
CE
A10
OE
A11
A9
A8
A13
A14
A18
VCC
DQ3
VPP
A16
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
VSS
DQ0
DQ1
DQ2
OUT
OUTSAG
VCC
STBY
BUFIN
BUF
OUT
GND
IN
COLOR
COLOR
OFFSET
TINT
GND
VOUT
AGND
VCOM
ROUT
LOUT
VCC
VDD
DGND
LRCK
DATA
BCK
DZFR
DZFL
DATA
CLK
LAT
MCLK
ROSC
H D
SYNC
OUT
OUT
OUT
VD
GND
VIDEO
IN
IN
VCC
P.CP
C AMP
Y AMP
IN
DIF
VIDEO AMP
Y SYNC
BUFFER
VIN
CUNT
IN
OUT
DIF
VOUT
PHASE
DELAY
FREQ
COMPENSATION
BUFFER
SYNC
C SYNC BUFFER
SYNC
SEPARATOR
DIGITAL FILTER,
D/A CONVERTER
+3.3V
REGULATOR
LOW-PASS
FILTER
1
4
2
3
5
6
7
8
I
O
G
+2.5V REGULATOR
+3.3V REGULATOR
I
O
G
I
O
G
D/A CONVERTER
PROGRAM
ROM
O
I
G
O
I
G
D-RAM
VIDEO MUTING
CONTROL
SWITCH
REGULATOR
+4.5V
(V-OUT)
VMP GND
VMP-VIDEO IN
VMP GND
VCC(4.5V)
DVCC(2.5V)
(R-OUT)
(L-OUT)
SYS OUT
SYS IN
2.2µH
µPC2925T-E1
2.2µH
220µH
(1/2)
C
CONTROL
BOARD
CN601
D
VIDEO
BOARD
CNP402
VMP
BOARD
(2/2)
VMP BOARD
(Page 33)
(Page 23)
(Page 33)
(Page 27)
HCD-M80
27
27
6-12. SCHEMATIC DIAGRAM – VMP Board (2/2) –
•
See page 38 for Waveforms.
• Voltages are dc with respect to ground under no-signal
conditions.
no mark : VIDEO CD PLAY
no mark : VIDEO CD PLAY
∗
: Impossible to measure
TP33
C542
R551
R541
R
542
R557
R556
C552
C551
C547
C548
C549
C550
C544
C546
C570
C534
C536
R545
C541 C539
R549
R550
C535
TP178
TP173
TP172
TP183
TP193
TP192
TP204
TP205
FB503 TP197
FL503
FL504
FB502
TP191
C545
C543
R552
C533
C
537
R
548
R544
R543
R547
TP67
TP
68
TP72
TP73
T
P7
4
TP79
TP80
TP81
TP82
TP83
TP84
TP85
TP86
TP88
TP89
TP93
TP94
TP96
TP97
TP99
TP100
TP102
TP106
R503
R504
R505
R506
R507
R508
C504
R513
C502
R502
C501
C503
R501
TP1
TP2
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP10
TP11
TP12
TP13
TP14
TP15
TP16
TP17
TP18
TP19
TP20
TP21
TP23
TP24
TP25
TP22
TP26
TP27
TP28
TP29
TP30
TP31
R509
R510
R511
R512
C505
R538
R534
C525
C524
TP159
TP158
TP157
TP156
C522
TP151
C523
TP146
TP145
R531
TP127
TP128
TP129
TP130
TP132
TP134
TP136
TP126
TP124
TP121
TP122
TP119
TP118
TP117
TP116
TP115
TP113
TP111
TP109
C521
C513
TP215
TP216
FB504
C511
R522
C510
FB501
TP177
C540
C538
RV501
X502
R559
TP182
R532
X501
TP70
R546
TP198
R555
R554
TP203
TP201
R558
TP209
TP208
TP202
TP91
R533
IC505
0.1
1.6k
0
0
10
10
1 50V
0.1
1
50V
0.1
8p
8p
0.47
0.1
0.0033
470p
150p
1k
0.01
0.47
100k
10k
0.068
1
50V 470p
820
0.1
100p
680k
1M
470k
10k
10
10
10
10
10
10
0.1
10k
0.1
3.3k
10 16V
0.1
47k
10
10
10
10
0.1
10k
0
1
50V
20p
7p
7p
100k
0.1
0.001
0.1
10k
0.1
0.47
100
6.3V
100k
27MHz
470
4.7k
33.8688MHz
180k
10
10
1M
33k
CXD1887R
A1
A2
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
143
142
141
140
137
138
135
133
160
173
163
164
34
35
36
37
39
40
41
42
43
44
45
49
50
51
52
53
54
165
28
29
30
26
162
70
55
56
59
60
61
62
63
64
65
66
68
72
73
74
76
77
78
SCK
SRQ
SOK
SCS
1887SO
1887SI
203
204
205
201
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO PROCESSOR,
MPEG VIDEO/AUDIO DECODER,
VIDEO SIGNAL ENCODER
(54MHz)
I
O
G
I
O
G
(4.2336MHz)
V AVD1
V AVS1
RESERVE
RESERVE
RESERVE
RESERVE
CSIG
V AVD2
V AVS2
I2C DATA
I2C CLK
L FOK
L SCOR
L CDC2PO
L GFS
L SCLK
L SENS
L DCLK
L XLAT
L CDXRST
L DDAT
L SQCK
L SQSO
L CDBCK
L CDDATA
L CDLRCK
RESERVE
RESERVE
IVS5
SYSRST
DRRAS
DRWEL
NVOEL
DRCAS
DRCK
(2/2)
VMP
BOARD
(1/2)
VMP BOARD
(Page
26)
HCD-M80
28
28
6-13. PRINTED WIRING BOARD – VMP Board –
•
See page 21 for Circuit Boards Location.
IC102
D-6
IC201
I-12
IC202
I-2
IC301
D-6
IC302
C-6
IC303
E-6
IC304
F-6
IC307
B-9
IC504
G-9
IC505
F-4
IC506
C-12
IC507
C-11
IC508
C-4
Q201
H-12
Q301
F-9
Q302
C-8
Q370
A-9
Q581
G-8
• Semiconductor
Location
Ref. No.
Location
(COMPONENT SIDE)
VMP BOARD
108
55
54
1
109
162
163
216
IC505
IC508
IC301
IC303
IC304
TP70
(54MHz)
1
16
32
17
TP308
(V-OUT)
D
VIDEO BOARD
CNP402
IC302
1
7
14
8
7
1
8
14
TP182
(4.2336MHz)
TP413
(R-OUT)
TP415
(L-OUT)
IC102
3
1
28
27
2
1
A
BD BOARD
CN101
C
CONTROL BOARD
CN601
1-684-173-
12
(12)
VMP BOARD
(CONDUCTOR SIDE)
IC507
1
27
54
28
IC307
IC504
16
9
1
8
IC201
E
E
E
E
1
3
E
E
1-684-173-
12
(12)
1
2
3
4
5
6
7
8
9
10
11
12
13
A
B
C
D
E
F
G
H
I
J
IC506
1
7
14
8
IC202
(Page 22)
(Page 32)
(Page 32)
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