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Sony RA-3B Service Manual Page 102

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AUDIO
R
R1134
R1133
470k
470k
:CHIP
:CHIP
J
K
L
AUDIO
(VAR/FIX)
J1104
0
L
(MONO)
R1107
R1127
Q1109
470
470k
:CHIP
:CHIP
DTC143TKA
AUDIO
MUTE
0
R
Q1108
R1106
R1126
DTC143TKA
470
:CHIP
470k
MUTE
M
:CHIP
C1125
C1123
0.01
47
25V
25V
B:1608
Q1107
0
2SD601A
D1101
BUFF
J1103
UDZS-5.6B
PROT.
0
N
CONTROL
S
R1130
100
R1138
OUT
R1135
:CHIP
47k
:CHIP
470
0
:CHIP
0.6
Q1106
2SD601A
R1137
BUFF
10k
:CHIP
O
D1131
D1132
UDZS-10B
UDZS-10B
9V
Q1117
2SD601A
MUTE BUFF.
0
MTU AUMT
0
R1167
R1170
4.7k
47k
:CHIP
:CHIP
D1122
UDZS-TE17-10B
R1148
0
C1120
470
10
:CHIP
R1147
C1119
470
10
:CHIP
D1121
0
D1120
UDZS-TE17-10B
1SS355
P-MUTE
STBY 5V
Q1114
Q1111
Q1121
2SB709A
2SB709A
R1151
D1124
BUFF.
DTC144EKA
SIRCS MIX.
220k
R1142
1SS355
:CHIP
SAVA CONT
47k
4.9
IR MUTE
:CHIP
4.6
R1140
4.7k
0
:CHIP
4.7
R1166
R1165
100k
:CHIP
4.7k
S-OUT
4.7
0
R1144
:CHIP
2.2k
R1141
:CHIP
10k
C1121
:CHIP
1
D1125
1SS355
IR MUTE2
RM-IN
R1164
68k
:CHIP
Y
TO (3/3)
C
3
2
1
Y
R041
0
STU H
220
:CHIP
I-2HSYNC
R042
0
MTU H
220
:CHIP
I-HSYNC
R059
I-DAT
47k
9
:CHIP
O-DAT
O-CLKN
R049
5.0
B INT
1k
:CHIP
I-BINTN
R050
0.7
HP
1k
:CHIP
I-HP
R051
VP-BUFF
0.1
1k
:CHIP
I-VP
I-RESET
R062
C086
12p
50V
CH:1608
4.7k
GNG
:CHIP
R061
0
10
R063
C091
470
:CHIP
O-OSC
4.7k
10p
X001
0
:CHIP
16MHz
50V
I-OSC
CH:1608
MENU
5.0
MENU
R052
5.0
KEY
1k
:CHIP
KEY
R053
2.9
STU AFT
1k
:CHIP
SUB TU AFT
R054
0.8
MTU AFT
220
:CHIP
MAIN TU AFT
R055
2.0
MONO
220
:CHIP
O-MONO
R056
0.1
SAP
1k
:CHIP
O-SAP
R057
1k
:CHIP
I-HVPROT
STBY 5V
R029
4.7k
:CHIP
OCP
OVP
A PROT
MTU H
D003
1SS355
SLICE1
Q004
R045
100k
2SB709A
R048
MTU DET
:CHIP
H-SEP
4.7k
:CHIP
C016
R037
0.047
5.1
2.2k
16V
0.8
:CHIP
C042
B:1608
1
C015
R047
R044
R046
220p
10k
10k
1M
Y
:CHIP
50V
:CHIP
:CHIP
CH:1608
C
Y
VIDEO
B CLK
AGCATT
R074
4.5
R023
1k
:CHIP
4.7k
:CHIP
O-AGCATT
R064
3.9
R024
100
:CHIP
4.7k
:CHIP
O-BCLK
0
R025
100
:CHIP
O-SCLK
R066
3.6
R026
100
:CHIP
4.7k
:CHIP
IO-BDAT
3.8
R027
100
:CHIP
IO-SDAT
R129
4.8
R127
100
:CHIP
10k
:CHIP
O-MBLK
R072
4.7k
:CHIP
O-SBLK
R030
220
:CHIP
5.0
I-POWERN
IC002
R068
4.9
R060
1k
:CHIP
CXP750010-RA-3B
4.7k
:CHIP
I-SAPN
MAIN M-COM
C040
SAP IND
L004
1000
GND
C039
0.01
25V
B:1608
6.3V
VDD
NC
C041
12p
2.7
I-DOSC
50V
2.7
R031
330
:CHIP
CH:1608
O-DOSC
0
R032
220
:CHIP
O-DISPYM
L001
C044
0
R033
220
:CHIP
15p
O-OSDYS
:LAV35
50V
0
R034
220
:CHIP
MICRO I
CH:1608
O-I
0
MICRO B
O-B
0
MICRO G
O-G
C085
0.01
25V
IC004
B:1608
M24C08-MN6T(A)
EEPROM
R058
C087
47k
10
:CHIP
A0
VDD
R088
A1
WP
100
:CHIP
B CLK
A2
BCLK
3.5
B DAT
GND
BDAT
4.0
R084
100
:CHIP
R073
0 :CHIP
MICRO R
D005
1SS355
SLICE2
:B TO B-S
1SS355
:CHIP
1k
DISCHARGE
:CHIP
R415
R425
10k
Q402
100
:CHIP
:CHIP
2SB709A
Q401
OFF MUTE
C457
2SB709A
13.1
220
ON MUTE
13.1
16V
5.0
R423
C438
R414
47k
D407
47
22k
:CHIP
0
1SS355
0
25V
:CHIP
MUTE OR
D405
R416
1SS355
D403
100
1SS355
:CHIP
P-MUTE
D404
1SS355
D410
MUTE OR.
1SS355
C418
10
R466
18k
:CHIP
80H
C456
R465
100
1M
16V
:CHIP
4.5
C444
GND
FILTER
4.7
4.1
LS1
AGCADJ
C449
C439
0
0
0.1
16V
B:1608
1
LS2
PS2
0.1
4.5
SOUT
PS2
C427
-0.1
4.4
C453
10
IN2
IN1
0.1
16V
B:1608
4.5
4.4
C437
BASA2
BASA1
C
0.033
4.5
4.5
0
:PT
BASB2
BASB1
4.5
4.4
TREA2
TREA1
C441
0
4.5
4.5
0.0033
TREB2
TREB1
:PT
4.5
4.5
C442
C
BAS2
BAS2
0.033
:PT
0.033
4.4
4.5
C443
TRE2
TRE2
0.00
0.001
:PT
4.5
4.5
C445
OUT2
OUT1
4.7
C4
1.1
1.1
4
VC2
VC1
2.2
2.5
C4
C450
TC
BC
4.7
4
3.9
VCC
SDA
3.5
R463
47k
C451
CHIP
SCL
100
R464
16V
47k
:CHIP
IC403
BH3868BFS
PS401
AUDIO PROC.
N50
C461
2200
25V
C458
0.1
16V
B:1608
R411
100
C459
:CHIP
0.1
16V
B:1608
CN202
CN003
10P
11P
:B TO B-P
TO G:CN501
— 40 —

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