Sony RA-3B Service Manual page 102

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 —