Read Sony HCD-RG88 Service Manual online
HCD-RG88
34
34
7-13. SCHEMATIC DIAGRAM – MAIN Board (1/4) –
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : TUNER (FM/AM)
(
no mark : TUNER (FM/AM)
(
) : CD PLAY
C702
C140
C210 C209
C206
C207
C203
R204
R254
C189
R285
Q201
R284
C163
C161
R151
R152
C159
C168
C155
C156
C153
C158
R153
C164
C165
R101
C109
C108
C106
C105
C118
C103
C150
C101
R105
C110
R103
C119
R104
R121
C121
D121
C190
R191
C157
R155
C705
Q103
Q153
R163
R165
CN702
C703
C704
R154
C175
D122
C115
C114
Q251
R159
R701
R751 C751 R752
R702
C701
CN202
CN783
R150
C122
R122
R166
R164
C125
R116
R113
R114
R115
J750
R156
D841
R157
EPT901
Q151
Q101
IC102
FB701
FB751
C200
L201
C201
FB201
CN201
C228
C226
C224
R224
R226
R228
C202
FB210
FB215
FB219
FB218
FB217
FB216
FB214
FB213
FB212
FB211
C212
C211
FB208
Q207
Q206
Q205
Q202
R208
R206
R209
R207
IC201
J401
C752
R286
C113
R109
C104
R108
C205
FB203
FB204
FB220
Q204
Q203
R158
C154
R212
R217
R219
C112
C162
C116
C117
C180
R180
JW704
R190
R162
R102
C111
C160
2.2
50V
0.1
0.1
470
10V
10V
0.1
1000 6.3V
0.022
10k
10k
0.1
22k
2SC3661
470k
10
50V
0.0068
2.2k
10k
0.022
10
50V
10
50V
10
50V
10
50V
0.022
10k
0.22
0.33
2.2k
0.022
0.022
10
50V
10
50V
10
50V
10
50V
10
50V
100
16V
10k
0.047
10k
10
50V
47k
1k
470p
1SS355
10
50V
2.2k
0.47
50V
1M
0.1
2SC3661
2SC3661
1k
10k
11P
0.022
0.022
47k
4.7
50V
1SS355
0.33
0.22
2SC3661
33k
1k
1k
220p 100k
100k
220p
10P
2P
2.2k
470p
1k
10k
47k
4.7
50V
50V
10k
1k
47k
10k
2P
100k
1SS355
4.7k
2SC1623
2SC1623
M61519FP
0.1
100
10V
10V
21P
0.01
0.0047
0.47
2.2k
330k
100k
1000
6.3V
6.3V
0.001
0.022
FN1F4M
FA1A4M
2SC1623
2SC1623
10k
10k
10k
10k
TOTX141
1P
2.2
50V
50V
22k
10
50V
33k
10 50V
1k
0.022
2SA812
2SA812
1k
10 50V
0
0
0
1
50V
1
50V
100
16V
16V
0.1
0.068
10k
2.2k
620
620
0.033
0.033
A2
A3
A4
A5
A6
A7
A8
B1
B2
B3
B4
B5
B6
B7
B8
C1
C2
C3
C4
C6
C7
C8
24
26
28
43
35
37
40
32
34
33
19
27
25
23
22
3
2
21
81
82
44
45
46
47
48
49
36
50
AA1
AA2
AA3
AA4
AA1
AA2
AA3
AA4
ZZ1
ZZ2
ZZ3
D.GND
D-OUT
3.3V
GM(V)-GND
GM(V)-SIG
D-0UT
R-CH
L-CH
M-GND
X-RST
X-LAT
SENS
SQ-CLK
SQ-DATA
SCOR
CD-DATA
CD-CLK
M+7V(UNSW)
PWM3
PWM2
PWM1
LD-ON
DSP-GND
RF-GND
DSP+5V(SW)
RF+5V(SW)
D.GND
TBL ADDRESS SW
BU UP/DOWN SW
MGND
M+7V
OPEN SW
CLOSE SW
D+3.3V
MTR CNT2(LOAD IN)
MTR CNT1(LOAD OUT)
ST-CLK
ST+10V
TUNED
ST-CE
STEREO
ST-L
A-GND
ST-R
ST-MUTE
ST-DOUT/MC-DIN
ST-DIN /MC-DOUT
(1/4)
MUTING
MUTING
(CHASSIS)
∗
AM
ANTENNA
TUNER
UNIT
FM
THE ASSEMBLED
BLOCK
∗SUPPLIED WITH
FEED BACK
SWITCH
FEED BACK
SWITCH
INPUT SELECT
SWITCH,
TONE CONTROL,
ELECTRICAL
VOLUME
MUTING
MUTING
Q206,207
MUTING CONTROL
SWITCH
OPTICAL
TRANSCEIVER
R
L
(AUDIO)IN
OPTICAL
VIDEO OUT
MD/VIDEO
CD DIGITAL OUT
Q202-205
LASER
DIODE ON
SWITCH
100µH
75Ω
(Page 39)
(Page 29)
(Page 30)
(Page 36)
(Page 37)
(Page 35)
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