Read Sony HCD-M80 Service Manual online
HCD-M80
8
8
2-5.
SCHEMATIC DIAGRAM – MAIN Board (1/2) –
• 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
R121
JR307
JR308
R215
C215
JR312
R201
C209
C208
JR304
C108
C109
C302
C348
R202
R204
R102
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
C324
D305
C323
C360
R310
Q303
Q304
C160
R160
R260
IC324
C260
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
SJ302
IC323
C110
R115
R118
C114
C101
Q342
Q341
CN302
C372
Q305
JR801
C329
D307
C328
C311
JW302
Q308
R312
Q307
JW339
R205
C270
R206
C262
JR299
R184
R181
C161
C261
R281
R284
C162
JR199
R101
R104
C170
R106
R105
D312
R314
C115
D302
R317
R318
C107
R107
C207
R207
D309
JR202
R339
2.2k
0
0
0
4.7
50V
50V
0
4.7k
0.22
0.1
0
0.1
0.22
1000p
100p
1k
2.2k
1k
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
470
16V
MTZJ-T-77-10B
0.1
47
16V
100
SRA2202S
SRC1202S
10 10V
47
47
NJM3414A
10
10V
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
2P
LC75342
4.7
50V
0
1k
4.7
50V
50V
4.7
50V
50V
2SA950-Y-TPE2
2SA950-Y-TPE2
25P
0.1
KTC2026
0
470
16V
16V
MTZJ-T-77-10B
100
16V
16V
0.1
33µH
SRC1202S
1k
SRA2202S
3.3k
10000p
2.2k
47
50V
0
3.3k
10k
1
50V
1
50V
10k
3.3k
4.7
50V
50V
0
4.7k
2.2k
10000p
2.2k
3.3k
1SS133
82k
4.7
50V
50V
11ES2-TA1B
47k
47k
0.001
4.7k
0.001
4.7k
MTZJ-T-77
-6.8B
0
47k
A1
A2
A5
A6
A7
A10
A13
A16
A17
A18
A19
A11
A3
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
AA3
AA5
VOL-SCK
VOL-SCK
VOL-SDA
VOL-SDA
SCE
TCREC_L
MD_L
TCOUT_L
TU_L
TU_R
TCOUT_R
MD_R
REC
REC
DC DET
STK_MUTE
B/UP
STBY_RELAY
STK_POWER
AC DET
D/D CONTROL
AA4
AA2
CD ON
RDS-DATA
RDS-IN
TUNED
R-OUT
L-OUT
DC DET
CD8V
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
(1/2)
HEADPHONE AMP
VCC
GND
POWER ON
MUTING
SWITCH
Q303,304
TUNER ON
+9.5V REGULATOR
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
INPUT SELECT
ELECTRICAL
SWITCH,
TONE CONTROL
VOLUME,
SOL 12V
D.GND
P.GND
STK_MUTE
BACKUP4.0V
STBY_RELAY
AC DET
STK_POWER
FAN_CON
D/DCON CONTROL
B+3.3V
CD 10V
+9.5V REGULATOR
Q307,308
CD ON
SWITCH
FM75Ω
4.7µH
(Page 5)
(Page 11)
(Page 9)
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