Schematic Diagram - Main Board (1/4) - Sony HCD-RV7 Service Manual

HCD-RV7/RV8
Q Q
3 7 6 3 1 5 1 5 0
7-17. SCHEMATIC DIAGRAM – MAIN Board (1/4) – •
(Page 30)
(1/4)
CN784
3P
C784
VMP GND
10
50V
VMP-VIDEO IN
(1/2)
VMP GND
CN783 C788
2P 10
50V
GM(V)-SIG
GM(V)-GND
(Page 43) R783
75
J401
1P
C786 R782
VIDEO OUT 220p 100k
C281
J430
R283 R282 4.7
2P
1k 100k 50V
L
C231
AUDIO OUT
4.7
50V
R
R233 R232
1k 100k
TP430
C230
0.1
J750
C752
2P
FB751 R751 C751 R752 2.2
0 1k 220p 100k 50V
L
MD/VIDEO R753
C702
(AUDIO)IN 100
2.2 50V
R
R703
FB701 R701 C701 R702
100
0 1k 220p 100k
C140
0.1
T E
L 1 3 9 4 2 2 9 6 5 1 3
10 50V
CN201
19P
N.C.
FB284
0
D+5V(SW)
D-0UT C202
C203
1000
0.022
D-GND 6.3V
L-CH
A-GND
R-CH
A+5V(SW) FB286 0 C206 0.1
SYS RST C207 1000 6.3V
SYS OUT
SYS IN
(1/2)
SYS CLK
SYS RQ JW911
(Page 30)
SYS OK
N.C.
VIDEO MUTE
SYS CS
M-GND
M+7V(UNSW)
C210 C209
0.1 1000
10V
CN202
10P
MGND
MTR CNT2(LOAD IN) 44
MTR CNT1(LOAD OUT) 45
M+7V
D+3.3V
OPEN SW 46
w w w
CLOSE SW 47
BU UP/DOWN SW 48
(Page 33)
TBL ADDRESS SW 49
D.GND
•
See page 35 for Waveform. See page 54 for IC Block Diagram.
C785
1000
6.3V
IC430
NJU4066BM
R230
10k
76
TP436
TP435
TP434
TP433 NJM2244M
77
TP432 Q430
FA1A4M
VIDEO SELECT SWITCH,
AUDIO OUT
VIDEO AMP
ON/OFF
SWITCH
AUDIO OUT
ON/OFF SWITCH
C284
C285
10
0.1
50V
AA1
AA2
C185
4.7
50V
C104 R108
2.2k
AA3
R109
4.7k
R159
4.7k
C154
10 R158
50V 2.2k
AA4
FB211 0 43
35
36
37
40
R212 0 32
FB218 0 33
R219 0 19
x a o
y
. i
http://www.xiaoyu163.com
D782 D781
1SS355 1SS355
C782
0.01
TP781 C781
100
16V
IC781
L701
100µH
R169
100
R186
10k
R185 Q Q
10k
3 7 6
C183
R181
1
33k
50V
SURROUND
SIGNAL
PROCESSOR
IC181
LA2615M
R184
100k
C187
0.1
R117 R167
0 0 C188
10
C126 C176
50V
1 1
50V 50V
C116
100
16V
C117
0.1
R150
2.2k
u 1 6 3
(Page 40)
38 38
http://www.xiaoyu163.com
2 4
8 9 9
27
25
23
22
C704 3
0.022
2
C703 0.022
21
EPT901
R190
2.2k
C190 C157
R191 R155 C705
10 0.47
2.2k 1M 0.1
50V 50V
R154
47k
C162
R151 C161
1
2.2k 0.01
50V Q151
2SC1623
R152 C163 R162 R153
10k 10 620 10k FEED BACK
50V
SWITCH
R163 1k
C175 R166 R164 47k
3 1 5 1 5 0 8 9 2
4.7 50V 10k
82
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
0.033 620
10 FEED BACK
R105 50V C125
SWITCH
10k 4.7
50V
C112 C114 C115 R116 10k R113 1k
R101 C111
1 0.22 0.33
2.2k 0.01
50V R114 47k
m
c o
.
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : TUNER (FM/AM)
2
8 9 9
∗ SUPPLIED WITH
THE ASSEMBLED
BLOCK
CN702
11P
ST-CLK
ST-DOUT/MC-DIN
ST-DIN /MC-DOUT
ST-CE FM
75Ω
ST+10V
∗
TUNED TUNER
ANTENNA
UNIT
STEREO
ST-L
AM
A-GND
ST-R
ST-MUTE
(CHASSIS)
A1
A2
A3
R157
A4
2.7k
ZZ1
A5
R156 D841
100k 1SS355
ZZ2
4 9 8 2 9 9
R165
10k
Q153
2SC3661
MUTING
(Page 39)
A6
Q103
2SC3661
MUTING
A8
C1
C2
C3
C4
C5
(Page 41)
C6
C7
C8