Schematic Diagram - Main Board (1/4) - Sony HCD-GX8000 Service Manual

HCD-GX8000/RG77
Q Q
3 7 6 3 1 5 1 5 0
7-13. SCHEMATIC DIAGRAM – MAIN Board (1/4) –
(1/4)
(Page 39)
CN783
2P
GM(V)-SIG
GM(V)-GND
JW704
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
T E
L 1 3 9 4 2 2 9 6 5 1 3
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 0
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
FB220
10V
0
CN202
10P C212
0.001
MGND
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
w w w
(Page 30)
TBL ADDRESS SW 49
D.GND
AA1
AA2
C104 R108
10 50V 1k
AA3
R109
33k
R224 R204
2.2k 10k
24
R226 330k 26 Q201
2SC3661
C189
R228 100k 28
MUTING 0.1
R254
FB203 10k
Q251
R159
2SC3661
FB204 33k
MUTING
AA4
R158 1k
R286 22k
FB211 0 43
R285 R284
22k 470k
FB212 0 35 50
FB213 0 36 Q206
FA1A4M
FB214 0 37
0 Q207
FN1F4M
Q206,207
32
0 FB216 0
MUTING CONTROL
34
0 FB217 0
SWITCH
33
FB218 0
FB208 0
19
0 FB219 0
R206 R208
10k 10k
Q204
2SA812
40
Q202
2SC1623
C211
0.022
Q203
2SA812
Q202-205 Q205
2SC1623
LASER DIODE ON
SWITCH
R209
10k
x a o
y
. i
http://www.xiaoyu163.com
8
R190
2.2k
R151
2.2k
C180
0.068
Q Q
3 7 6 3
C116
100
16V
R101
2.2k
C117
0.1
R150
2.2k
u 1 6 3
.
(Page 36)
34 34
http://www.xiaoyu163.com
2 4
9 9 8
27
25 ST-DOUT/MC-DIN
23 ST-DIN /MC-DOUT
22
C704 3
0.022
2
C703 0.022
21
EPT901
C190 C157
R191 R155 C705
10 0.47
2.2k 1M 0.1
50V 50V
R157
4.7k
R154
47k
C162
C161
1
0.0068
50V Q151
R156
2SC1623
R152 C163 R162 R153 100k
FEED BACK
10k 10 510 10k
50V
SWITCH
R163 1k
C175 R166 R164 47k
4.7 50V 10k
82
1 5 1 5 0 8 9 2 4
R122
1k
C122
470p
INPUT SELECT
SWITCH,
TONE CONTROL,
ELECTRICAL
VOLUME
IC102
M61519FP
C121
D121
470p
1SS355
R121
1k
81
C119
10
R103 50V
10k
Q101
R104
C110 R102 2SC1623
C113 47k
0.033 510
10 FEED BACK
R105 50V C125
SWITCH
10k 4.7
50V
C112 C114 C115 R116 10k R113 1k
C111
1 0.22 0.33
0.0068
50V R114 47k
m
c o
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : TUNER (FM/AM)
( ) : CD PLAY
2
9 9
*SUPPLIED WITH
THE ASSEMBLED
CN702
11P BLOCK
ST-CLK
ST-CE FM
75Ω
ST+10V
*
TUNED TUNER
ANTENNA
UNIT
STEREO
ST-L
AM
A-GND
ST-R
ST-MUTE
(CHASSIS)
A1
A2
A3
A4
ZZ1
A5
D841
1SS355
ZZ2
9 8 2 9 9
R165
10k
Q153
2SC3661
MUTING
(Page 35)
A6
Q103
2SC3661
MUTING
A7
A8
C1
C3
C4
(Page 37)
C6
C7
C8