Sony IFB-12 Service Manual page 33

GS
HD-IN
VD-IN
C14
10
16V
:TA-CP
AL-IN
R27
1M
:CHIP
C15
10
16V
:TA-CP
AR-IN
R31
1M
:CHIP
AUDIO L/R
AUDIO L/R
TO IFB-12(1/3) B
IFB-12/12A
A B
IFB-12 (OLD) (2/3)
JP5
1 GS
+10V IN
2
10V-2
C2
HD 10 16V :TA-CP
3
R8
22k
R11
:CHIP
100k :CHIP
5
2
4.9
R12
33k :CHIP
3 4
+10V IN D7
C1 R9
Q10
6 1
10 DCC010 22k
RN1310
10V-2 3
16V PROT :CHIP
R13
BUFF
:TA-CP
47k :CHIP
1 2
2
R14
Q11 100k :CHIP
ON
R6 R10
HN1B01F
75 1k
:RN-CP :CHIP PEAK HOLD
S6 10 16V :TA-CP
OFF
SSJ-012M R7
10k
:CHIP
+10V IN
10V-2
10 16V :TA-CP
R20
22k
:CHIP
5
1 4.9
3.7
3 4
D8
C9 R21
+10V IN Q14 1.6
DCC010
10 22k 6 1
2SC1623
PROT
16V 10V-2 3 :CHIP R25
BUFF
:TA-CP 47k
1 2 :CHIP
2 R26
100k
Q15
R22 :CHIP
HN1B01F
4.7k
PEAK HOLD
R18 :CHIP
75
:RN-CP
ON
S7
SSJ-012M R19
OFF
10k
:CHIP
+12V
12V C18
0.1
B:CHIP
+10V IN D9
AUDIO L
DCC010
10V-2
VOLTAGE HOLD
2 1
3.8
9.4
3
8 7 6 5
Q16
R28
RN1310
100k C16
IC4
AUDIO BUFF
:CHIP 47
TC4W66F
16V
4.5
AUDIO SW
R29
3.8
100k
AUDIO L 1 2 3 4
:CHIP
+10V IN
R30
10V-2
4.7k
:CHIP
9.4
R35
22k
AL-OUT
:CHIP
Q17
R32
RN1310
100k
AUDIO R
:CHIP AUDIO BUFF
4.4
3.8
AR-OUT
R33
AUDIO R
100k
:CHIP
R34
4.7k
:CHIP
C
IFB-12 (OLD) (2/3)
+10V IN
10V-2
C5
0.1
B:CHIP
R15 R16
R219
470 100 2.2k
:CHIP RN:CHIP :CHIP
3.5
2
8
3.6 4.9
3
1
2 3
+10V IN
4
10V-2 Q13
D10
3.6
2SA812
DCC010
1
C4 BUFF
BIAS
0.1
+5V IN
B:CHIP
IC1(1/2)
C3
NJM082BM
BUFF
3
VCC
4.3 3.6
C10
4
4.2 4.3
R23
4.2 2.7
100k
IC1(2/2) GND
:CHIP
NJM082BM
R24
BUFF
47k
2.7
:CHIP
5
7
C12 6
IC3
0.1
SN75157PS
2.7
COMP.
10V-2
+10V IN
C11
10
16V
:TA-CP
C19
10
16
AUDIO L
:TA-CP
AUDIO L HS
R36 R37
1M 1M
:CHIP :CHIP
C20
VS
10
16
AUDIO R
:TA-CP
AUDIO R
R38 R39
1M 1M
:CHIP :CHIP
R40
1k
AUDIO L
:CHIP
AUD.L
R41
1k
AUDIO R
:CHIP
AUD.R
AUDIO L/R AUDIO L/R
R43 R42
22k 22k
:CHIP :CHIP
7-6 7-6
D E
B
TO IFB-12(1/3)
C
IC2 +5V IN
GS4881-CKA
5V-2
SYNC SEP.
4.8
CS VCC
2.7
V IN DD/EVN
5.0 1.2
C6
VS REST
0.1
B:CHIP
GND
BST/BP
C8 C7 R17
0.1 0.1 430k
B:CHIP B:CHIP :CHIP
5V-2
C80
0.1
B:CHIP
D11
DCC010
PROT
1 2
+10V OUT IC6 +5V OUT
3
TA78L005AP
10V-3 5V-3
+5V REG.
R46
R45
150
430
1/4W
RN:CHIP
3 1
I O
G
C22
R44 C21
0.22
33 100
2
F:CHIP
1W 16V
:FPRD
C23
47
IC5
16V
SN75453BPS
BUFF
1A VCC
(1.6)
C81
1B 2B
0.1
(1.6)
B:CHIP
1Y 2A
(5.0) (5.0)
GND 2Y
AUDIO TO IFB-12(3/3)
IFB-12 (OLD)
(INTERFACE)
F G
1
JP3
1 VIDEO
2
2
3 SYNC
JP4
1 VIDEO
2
SYNC
3
R47
1.5k
1/4W
3
R48
47
:CHIP
HD-OUT
R49
47
:CHIP
VD-OUT
4
(2/3)
5
B-SS9556<W/W>-IF12-P2
H