Sony IFB-12 Service Manual page 34

Table of Contents

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1
2
3
4
5
A
B
IFB-12 (OLD) (3/3)
C26
10 16V
IC7
R51
R
OPA658U
CR1
22k
R55
R57
RC3000
AMP
:CHIP
10
180
:CHIP
:RN-CP
R65
7
RED
C27
0.1
3
1 2 3 4 5 6 7 8
120
6
:RN-CP
(5.0)
C24
2
R
R
10
R58
(5.1)
4
16V
91
R61
:TA-CP
:RN-CP
75 :RN-CP
R66
(5.0)
120
:RN-CP
R50
R52
R
75
22k
R56
R59
:RN-CP
:CHIP
430
68
R62
:RN-CP
:RN-CP
160 :RN-CP
R67
120
:RN-CP
R
R60
4.7
R63
:CHIP
180 :RN-CP
R68
120
:RN-CP
R64
240 :RN-CP
C46
10 16V
IC8
R91
G
OPA658U
CR2
22k
R95
R97
RC3000
AMP
:CHIP
10
180
:CHIP
:RN-CP
7
R105
GREEN
3
C47
0.1
1 2 3 4 5 6 7 8
120
6
(5.0)
:RN-CP
C44
2
G
G
10
R98
(5.1)
4
16V
91
R101
:TA-CP
:RN-CP
75 :RN-CP
(5.0)
R106
120
:RN-CP
R90
R92
G
75
22k
R96
R99
:RN-CP
:CHIP
430
68
R102
:RN-CP
:RN-CP
160 :RN-CP
R107
120
:RN-CP
G
R100
4.7
R103
:CHIP
180 :RN-CP
R108
120
:RN-CP
R104
240 :RN-CP
C66
10 16V
IC9
R131
B
OPA658U
CR3
22k
R135
R137
RC3000
AMP
:CHIP
10
180
:CHIP
:RN-CP
7
R145
BLUE
3
C67
0.1
1 2 3 4 5 6 7 8
120
6
(5.0)
:RN-CP
C64
2
B
B
10
R138
4
(5.1)
16V
91
R141
:TA-CP
:RN-CP
75 :RN-CP
(5.0)
R146
120
:RN-CP
R130
R132
B
75
22k
R136
R139
:RN-CP
:CHIP
430
68
R142
:RN-CP
:RN-CP
160 :RN-CP
R147
120
:RN-CP
B
R140
4.7
R143
:CHIP
180 :RN-CP
R148
120
:RN-CP
R144
240 :RN-CP
10V-3
+10V OUT
R165
R166
R167
R168
10k
10k
10k
10k
1
2
5
3
4
S8
S-2150
R169
R170
R171
R172
10k
10k
10k
10k
NOR
S12
MIX
R207
R206
4.7k
4.7k
:CHIP
:CHIP
IC23
VCC
TA78L05S
+5V REG.
5V-5
IN
OUT
1
3
I
O
G
C108
C107
R205
10
0.22
1k
GND
16V
2
F:CHIP
:CHIP
Q28
+12V
TA7810S
2SA1388
12V
+10V REG.
+B SW
I
R208
C109
C105
0.47
10
0.22
1/2W
16V
11.5
F:CHIP
:FPRD
5V-5
VCC
R198
1k
R199
R201
Q22
15.0
8.2k
:CHIP
10k
6
3
4.9
5.0
2SA812
:CHIP
:CHIP
+B IK PROT.
2
5
Q23
Q26
RN1310
0
R197
4
1
R202
HN1C01F
4.7
Q24
PROT.
1k
5.6k
+B SW
RN1310
:CHIP
:CHIP
PROT.
0
4.3
R200
470
0
C106
:CHIP
0
0.1
Q25
RN1310
+B SW
7-7
C
D
IFB-12 (OLD) (3/3)
R/G/B
IC10
MPC100AU
R69
C32
10
10
(5.0)
PEAKING SW
:CHIP
16V
1
R79
IN1
14
100k
S1
:CHIP
:TA-CP
(10.0)
R70
10
(5.0)
IC13
:CHIP
11
R73
C33
OUT
3
OPA658U
10
0.1
IN2
13
:CHIP
AMP
7
S2
(5.0)
1
R
3
LEBEL SHIFT
(5.0)
6
R71
(5.0)
10
2
(5.0)
:CHIP
(5.0)
IC16(1/2)
5
10
(5.0)
4
1
IN3
+V
NJM082BM
9
R74
R78
S3
82
R75
R76
BIAS
1M
8
R72
C29
:RN-CP
1k
390
:CHIP
(5.0)
(5.5)
(6.1)
10
0.1
:CHIP
:RN-CP
3
:CHIP
1
(5.0)
(4.5)
(4.4)
7
2
IN4
8
12
(5.0)
S4
-V
(8.4)
C28
2
4
GND
4
0.1
C35
GND
+5V OUT
6
0.1
GND
R77
5V-3
C34
1M
0.1
:CHIP
C31
C30
47
0.1
16V
IC11
R109
C52
MPC100AU
10
10
(5.0)
PEAKING SW
:CHIP
16V
1
R119
IN1
14
100k
S1
:CHIP
:TA-CP
(10.0)
R110
10
(5.0)
IC14
:CHIP
11
R113
C53
OUT
3
OPA658U
10
0.1
IN2
13
:CHIP
AMP
7
S2
(5.0)
2
G
3
(5.0)
6
LEBEL SHIFT
R111
(5.0)
10
2
(5.0)
IC17(1/2)
:CHIP
(5.0)
(5.0)
5
10
4
NJM082BM
1
IN3
+V
9
R114
BIAS
R118
S3
82
R115
R116
1M
(5.0)
8
R112
C49
:RN-CP
1k
390
:CHIP
(5.5)
(6.1)
10
0.1
:CHIP
:RN-CP
3
:CHIP
1
(5.0)
(4.5)
(4.4)
7
2
IN4
8
12
(5.0)
S4
-V
(8.3)
C48
2
4
GND
4
0.1
C55
GND
+5V OUT
6
0.1
GND
R117
5V-3
C54
1M
0.1
:CHIP
C51
C50
47
0.1
16V
IC12
R149
C72
MPC100AU
10
10
(5.0)
PEAKING SW
:CHIP
16V
1
R159
IN1
14
100k
S1
:CHIP
:TA-CP
(10.0)
R150
IC15
10
(5.0)
OPA658U
:CHIP
11
R153
C73
OUT
3
AMP
10
0.1
IN2
13
:CHIP
7
S2
(5.0)
3
B
3
(5.0)
6
LEBEL SHIFT
R151
(5.0)
10
2
(5.0)
:CHIP
(5.0)
(5.0)
IC17(2/2)
5
10
4
1
IN3
+V
NJM082BM
9
R154
R158
S3
BIAS
82
R155
R156
1M
(5.0)
R152
C69
:RN-CP
1k
390
:CHIP
(5.4)
(6.0)
10
0.1
:CHIP
:RN-CP
5
:CHIP
7
(5.0)
(4.5)
(4.4)
7
6
IN4
8
12
(5.0)
S4
-V
(8.3)
C68
2
GND
0.1
4
C75
GND
+5V OUT
6
0.1
GND
R157
5V-3
C74
1M
0.1
:CHIP
C71
C70
47
0.1
16V
TO IFB-12(1/3)
R204
C111
10k
0.1
IC25(2/4)
:CHIP
74HC02
IC25(1/4)
74HC02
NOR
0.1
NOR
6
4.9
4
3
0
C112
5
1
0.1
5V-5
2
F:CHIP
VCC
IC25(4/4)
+10V
74HC02
14
IC24
9
NOR
IC25(3/4)
4.9
10V
10
12
74HC02
0
8
13
0
IN
NOR
11
0
S2
7
SSJ-012M
O
G
IN/OUT
OUT
SELECT
C110
VCC
VCC
0.22
F:CHIP
5V-5
5V-5
R203
22k
IC26(2/2)
:CHIP
NJM2903M
IC26(1/2)
C113
R212
NJM2903M
COMP.
0.1
COMP.
8
R216
:CHIP
5
22k
4.9
4.8
7
:CHIP
3
6
1
0
2
4
R213
1.6
:CHIP
LOW:POWER ON
7-7
E
F
AUDIO L/R
TO IFB-12(2/3)
AUDIO
A1
AUD.L
B1
AUDIO L
C1
A2
PROTECT
B2
C2
R
4
A3
+10V OUT
RED
B3
10V-3
C3
A4
C36
D15
B4
1
10
R80
DCCO10
16V
10k
C4
PROT
:CHIP
3
G
5
A5
GREEN
D12
B5
R82
C38
DCCO10
2
75
2200
C5
:RN-CP
10V
R OUT
AUDIO R
A6
3
(5.5)
AUD.R
R83
B6
2
10k
2
:CHIP
AUDIO L
6
C6
R81
+10V OUT
AUDIO L
1k
A7
AUDIO L
1
6
:CHIP
10V-3
+5V OUT
B
BLUE
C39
B7
4
3
5V-3
0.1
AUDIO R
C7
8
Q18
(3.8)
5
AUDIO R
HN1A01F
A8
AUDIO R
5
7
IC16(2/2)
BUFF
HS
6
B8
NJM082BM
(9.9)
4
BIAS
C8
C37
15p
A9
+10V OUT
B9
10V-3
C9
A10
VS
C56
D16
B10
1
10
R120
DCCO10
16V
10k
PROT
C10
:CHIP
3
A11
B11
R122
C58
D13
2
75
2200
C11
DCCO10
:RN-CP
10V
G OUT
HD/CS
A12
3
(5.5)
R123
B12
2
10k
10
2
:CHIP
C12
R121
1k
A13
1
6
:CHIP
B13
4
3
C13
Q19
(3.8)
VD
HN1A01F
A14
5
BUFF
B14
11
C14
C57
15p
A15
+10V OUT
B15
10V-3
C15
A16
CODE1
C76
D17
B16
1
10
R160
DCCO10
16V
10k
C16
PROT
:CHIP
3
RGB/VIDEO
A17
RGB/VIDEO
B17
R162
C78
D14
VIDEO/YC
2
75
2200
C17
VIDEO/YC
DCCO10
:RN-CP
10V
B OUT
A18
3
(5.5)
R163
B18
2
10k
2
:CHIP
C18
R161
1k
A19
1
6
:CHIP
B19
4
3
C19
Q20
(3.8)
HN1A01F
A20
5
BUFF
B20
R
C20
C77
15p
R/C/R-Y
R/C/R-Y
A21
B21
R/C/R-Y
7
C21
R/C/R-Y
A22
B22
A
C22
R/G/B
A23
RGB OUT
B23
R/G/B
C23
A
A24
B24
G
C24
G/Y/Y
A25
B25
8
C25
A26
B26
C26
4.9
A27
B27
C27
A28
B28
B
C28
B/C/B-Y
B/C/B-Y
A29
B29
B/C/B-Y
9
VCC
5V-5
C29
B/C/B-Y
A30
B30
R214
47k
47k
C30
:CHIP
RGB/VIDEO
A31
B31
C31
IFB-12
(OLD)
22k
A32
(3/3)
B32
C32
(INTERFACE)
B-SS9556<W/W>-IF12-P3
G
CN3
GND
AUD.L
GND
N.C
N.C
GND
RED
N.C
+B
+B
+B
N.C
GREEN
N.C
GND
AUD.R
GND
BLUE
N.C
HS
N.C
GND
N.C
GND
N.C
VS
N.C
GND
GND
GND
HD/CS
HD/CS
HD/CS
N.C
N.C
N.C
VD
VD
VD
N.C
GND
N.C
GND
CODE1
TO
GND
SIGNAL INTERFACE SWITCHER
GND
N.C
N.C
GND
GND
N.C
SEL
GND
GND
GND
GND
GND
GND
N.C
I/O
N.C
GND
GND
GND
G/Y/Y
G/Y/Y
G/Y/Y
GND
GND
GND
N.C
N.C
N.C
GND
GND
GND
GND
GND
GND
N.C
MIX
N.C
GND
N.C
GND
IFB-12/12A
H

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