Schematic Diagram - Main Section (2/3) - Sony HCD-RG295 Servise Manual

HCD-RG295/RG495/RG595
Q Q
3 7 6 3 1 5 1 5 0
7-13. SCHEMATIC DIAGRAM – MAIN Section (2/3) –
R827 R823
10k 2.2k
T E
L 1 3 9 4 2 2 9 6 5 1 3
J702 R825
1k
AUDIO IN
R826 R824
C820 C821 R832 R831 1k 22k
1000p 1000p 470k 470k
J701
PHONES
C783 C784 C781 C782
0.1 0.1 2200p 2200p
EP701
(CHASSIS)
w w w
HCD-RG295/RG495/RG595
• See page 52 for IC Block Diagrams.
(2/3)
(Page 37) C1
C2
C3
C4
(Page 35)
B1
B2
R070
10k
CN201
11P
NC
DECK-D-GND
O-BIAS O-BIAS
REC-MUTE REC-MUTE
(Page 33)
+9V
REC/PB SW O-R/P
REC-L
REC-R
A-GND
PB-R R202 2.2k C267 4700p
PB-L R201 2.2k C268 4700p
R121
100
CN061
9P
O-HP/AUX I-HP-AUX
O-HP/AUX 9
D-GND D-GND
R168 R166 R104 R148 C148
1k 4.7k 10k 47k 470p
AUX-IN-RCH AUX-IN-Rch
A-GND A-GND
AUX-IN-LCH AUX-IN-Lch
HP-GND HP-GND
R167 R165 R103 R147 C147
1k 4.7k 10k 47k 470p
R-OUT
R-OUT
HP-GND
HP-GND
L-OUT L-OUT
1 EP061
C063 C064
0.1 0.001
(CHASSIS)
x a o
. i
http://www.xiaoyu163.com
RG295:AEP,UK/RG495:
AEP/RG595:AEP,UK
R176 R172 C136
2.2k 0 220p
R136
10k
R132 C140
R126 R130 C126 100 0.1
R124 4.7k 470k 1
2.2k 50V
R128 C130
2.2k 1 C144
50V 0.047
RG295:AEP,UK/RG495:
AEP/RG595:AEP,UK
C124 47p
R122 100
TAPER
C120 0.1
R123
GND
2.2k
C121 100 16V
REFIN
JR101 C122 0.047
0 SURROUNDR
R101 10k
IC101
SURROUNDL
R2S15207FP
C109 10 50V
JR102
MIX1
100 0
C110 10 50V
16V
MIX2
VCC
C114 0.1
TAPEL
C125 1 50V
CDL
R125
4.7k
R175
2.2k
RG295:AEP,UK/RG495:
C123
AEP/RG595:AEP,UK
47p
C129
R171 R129 1
0 470k 50V
R127
2.2k
Q Q
3 7 6
R131 C139
C141
100 0.1
10
50V
RG295:AEP,UK/RG495: RG295:AEP,UK/RG495:
C134 C135 R135
0.1 AEP/RG595:AEP,UK 220p 10k
AEP/RG595:AEP,UK
C068 1000p C066 1000p
C065 1000p
u 1 6 3
y
36 36
http://www.xiaoyu163.com
2 4
8 9 9
RG295:AEP,UK/RG495:
AEP/RG595:AEP,UK
C133
0.1
R138
2.2k
PARAMETRIC EQUALIZER
IC102
C167
R2S15208SP
100
10V
C176 REF REF
1 IN OUT
LIN
LOUT
RIN
ROUT
C164 VCC
C154
RG295/RG495 1 GND
1
RG595:AEP,UK DATA
50V
CLK
C178
1
C166
1
(RG595:E,EA)
(RG495/RG595)
R142 C281
VOLINR
22k 0.01
C174 47p
R140 R178
BB11
∗
1k
C156 ∗
BB21
C158 ∗
OUTR
DATA
C160 220p
CLK
C159 220p
OUTL
C157 ∗ (RG495/RG595)
R177
BB22 ∗
∗
C155
BB12
C173 47p
VOLINL R141 R139
22k 1k
∗C155-158
C153 R162 R164
1 22k 47k
0.1(RG295)
50V C175 R161 R163
0.15(RG495) 1 22k 47k
0.18(RG595)
C163 R156 R155
(RG295/RG495/RG595:AEP,UK)
1 220k 220k
R158
220k
Q114
(RG595:E,EA)
2SC3052
Q113
2SC3052
R157
INPUT SELECTOR, 220k
TONE CONTROL,
ELECTRICAL VOLUME R159 R160
3 1 5 1 5 0 8 9
47k 47k
∗C112
C112 R154
22 50V(RG295) ∗
1M
R102 R108 R109 47 16V(RG495/RG595)
1k 2.2k 4.7k
R137 2.2k
Q113,114
BASS AGC
C117 C069
0.001 1000p
m
c o
.
2
8 9 9
D1
D2
C168 D3
100
10V
(Page 37)
C170
C172 100 C171
100p 16V 100p
PM-CL
C169 R151 R152
0.01 100 100
P-DA
C165 1
R153
100
C177 1
R120 2.2k
R144 220 M-DA
R143 220 PM-CL
R119 2.2k
∗R177,178
2.2k(RG295)
0(RG495/RG595)
Q111,112 R145
47k
BAND-PASS FILTER
(Page 35)
C111
R113 R116
22
4.7k 100 C119
50V
2.2
2 4 9 8 2 9 9
50V
R111
B3
100k
B4
Q112 C118
2SC3052 R114 2.2
Q111 2.2k 50V
2SC3052 (Page 37)
R110
47k R112
470
D4
D5
D7
D8
D9
D10
(Page 37)