Schematic Diagram - Main Board (1/4) - Sony HCD-RG88 Service Manual

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