Schematic Diagram − Au-In Board - Sony STR-DB798 Service Manual

6-22. SCHEMATIC DIAGRAM – AU-IN BOARD –
(CHASSIS)
J151
4P
R
PHONO IN
L
R
MD/TAPE IN
L
AUDIO J131
4P
R
MD/TAPE OUT
L
R
SA-CD/CD IN
L
(CHASSIS)
J101
6P
R
C101 100p
FRONT
C102 100p
L
R
AUDIO C103 100p
SURR
MULTI CH IN
C104 100p
L
SUB WOOFER
C105 100p
C106 100p
CENTER
CN102
20P
SOURSE-L
GND
SOURSE-R
GND
SL
GND
SR
GND
SW
GND
C
GND
FRONT-L
(Page 37) GND
FRONT-R
GND
TUNER-L
GND
TUNER-R
GND
C107
(CHASSIS) 2200p
CN132
(Page 38)
STR-DB798
• See page 53 for IC Block Diagrams.
C135
2.2
C137
50V
100p
C161
0.01 R131
2.2k
C145
R141
2.2
100
IC131(1/2) 50V
M5218AP-22
C131
100P
R133 R135 R137 R139
100k 180 8.2k 100k
C139
C133 R147 PHONO EQ C141 C143
220
220P 100k 0.0091 0.033
10V AMP
R156 1k C1 C140
C134 R148 C142 C144
220
220P 100k 0.0091 0.033
10V
R134 R136
R155 1k C2
C132 100k 180 R138 R140
100P 8.2k 100k
R142
R132 100
2.2k
R154 2.2k C3
C146
C136 C138 IC131(2/2)
2.2
2.2 100p M5218AP-22
R153 2.2k C4 50V
50V
R152 1k C5
R151 1k C6
C122 C121
0.022 0.022
R101 1k C7
IC101
R102 1k C8 TC9274N-017
R103 1k C9
C2
R104 1k C10 C4
C6
R105 1k C11 B8
R106 1k C12 B0
C8
B6
B0
C10
B1 B2
B2 C11
B3 B4
B4
B5 A4
R119
1k
R158
220
B6
R157
220
B7 AUDIO SELECTOR
C123
100p
B8
B9
R145
470
R143
100k
R144
100k
R146
470
C110
100
R845
25V
33
C120
0.01 R840 C174
33 0.01
C1
C171
C3 100
50V
C5
B9
B1
R176
C7
10k
B7
VSS
C9
B3
R177
VDD
10k
R175
10k
C12 IC171
M5218AP
B5
BUFFER
A5
A3
35 35
R110 R111 R112 R113
47k 47k 47k 47k
LINE AMP LINE AMP
IC110 C111 C112 IC111
M5218AP 100 100 M5218AP
25V 25V
R172
15k
AUDIO SELECTOR
IC173
TC9273F-012
VDD VSS
A2 A1
R181
10k
R171
10k
R173 R183
4.7k 4.7k
R185
10k
R174 R184
15k 15k
A5 R178 1k
LAT GND
A3 A4
DAT CLK
R150 R149
220 220
C175
100p
STR-DB798
CN104
6P
CN105
R114 R115 6P
47k 47k
LINE AMP
IC112
M5218AP
CN103
C115 20P
100 25V
SR
GND
C113 SL
100
25V GND
C114
100 GND
25V
SW
GND
C
GND
A1 FRONT-R
GND
A2 FRONT-L
GND
NC
C181
A3 DATA
100
25V
A4 CLK
A5 FUN-LAT
GND
R186
-15V
10k
+15V
BUFFER
VSS
VDD
R187
10k
IC172
M5218AP
(NC)
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