Read Sony HCD-M70 Service Manual online
HCD-M70
22
22
R121
JR307
JR308
R215
C215
JR312
R201
C207
C209
C208
R106
JR304
C107
C108
C109
C302
C348
R202
R206
C270
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
C160
R160
R260
IC324
C260
C372
R218
L304
R320
CN301
R213
R113
R214
R114
C304
C326
C231
C250
C131
C150
D314
C163
JR311
C106
C104
C103
C102
R207
C214
C301
C263
C206
C210
C204
C203
C202
C201
Q301
Q307
Q308
Q306
Q305
R312
R314
C330
D308
C366
C365
C329
D307
C311
C328
JR340
IC306
R317
R318
R371
Q302
R372
C380
R374
R376
R373
R375
C381
C385
C382
C384
C383
X301
D320
C387
C386
IC326
D302
SJ302
CN302
IC323
R205
R105
R101
C110
R107
C115
R115
R118
C114
JR101
C101
JR201
JR309
R377
C368
C333
C332
Q342
Q341
2.2k
0
0
0
4.7
50V
50V
0
4.7k
1000p
0.22
0.1
3.3k
0
1000p
0.1
0.22
1000p
100p
1k
3.3k
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
10 10V
47
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
1SS133
4.7
16V
16V
0
4.7
50V
4.7
50V
4.7
50V
4.7
50V
4.7k
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
SRA2202S
SRC1202S
KTC2026
KTC2026
1k
100
0.1
MTZJ-T-77-5.1B
10
50V
220
10V
470
16V
MTZJ-T-77-10B
0.1
100
16V
0
KTA7808API
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
11ES2-
TA1B
2P
21P
LC75342
2.2k
2.2k
4.7k
4.7
50V
4.7k
4.7
50V
50V
0
1k
4.7
50V
50V
0
4.7
50V
50V
0
0
470
220
10V
10V
0.1
220
10V
10V
2SA950-Y-TPE2
2SA950-Y-TPE2
A1
A2
A5
A6
A7
A10
A11
A13
A16
A17
A18
A19
ALC_CON
TC_SW
END_SW
PLAY_SW
CD_ON
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
VOL-SCK
VOL-SCK
VOL-SDA
VOL-SDA
SCE
TCREC_L
MD_L
TCO
UT_L
TU_L
TU_R
TCOUT_R
M
D_R
REC
REC
BB1
BB2
BB3
BB1
BB2
BB3
DC DET
STK_MUTE
B/UP
STBY_RELAY
STK_POWER
∗
∗
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
+9.5V REGULATOR
+5V REGULATOR
I
O
G
+8V REGULATOR
(AEP,UK)
DET AMP
RDS DECODER
(AEP,UK)
SWITCH
Q307,308
CD ON
Q342,344
TRIGGER
PLUNGER DRIVE
Q341,343
CAPSTAN/REEL
MOTOR DRIVE
TU-ON
GND
GND
AMP-MUTE
BACKUP5V
REG-CON
PLAY-SW
B+5V
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,AUS)
(SP,AUS)
FM 75Ω
4.7µH
6-9.
SCHEMATIC DIAGRAM – MAIN Board (1/2) – •
See page 25 for Waveforms.
•
See page 32 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)
(
) : CD PLAY
〈〈
〉〉
: TAPE PLAY
(Page 21)
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