Sony IFB-12 Service Manual page 38

1
2
3
R-Y/VIDEO,R/PR
Y/Y,G/Y
B-Y/C,B/PB
SYNC HD
4
VD
CN6 JA
5P-SZN
AUDIO L
AUDIO L 1
(MONO) 2 GND
3 AUDIO L
CN7
AUDIO R
4
AUDIO R 5 GND
AUDIO SUB
5
A B
IFB-12 (NEW) /IFB-12A (1/3)
IC22
+10V IN +5V IN
NJM78L05A
+5V REG.
10V-2 5V-2
3 1
I O
G
C103
10
C104
16V 2
0.22
:TA-CP F:CHIP
3
1 2
D18
DCC010
PROT
IFB-12(NEW) ONLY
12V
+12V
SW3
ON
1 RL1 SSJ-012M :RN-CP
A-12W-K
3 1 10
R
+10V OFF
4
LD1
10V 3
VR3668S
R1 2 2
(POWER)
2.2k
D1
7
:RN-CP
DCC010 +10V OUT
8
PROT 9 10V-2
5 6
R R
+10V IN
10V-3
SW4
RL2 SSJ-012M :RN-CP
ON
A-12W-K
1 10
G G OFF
4
3
2
7
8
9
5 6
+12V
SW5
ON
J2
RL3 SSJ-012M :RN-CP
1
A-12W-K
J1
R IN/OUT 1
1 10
B
GND 2 2 B B OFF
4
3
GND 3
2
J2
G IN/OUT 4
7
8
GND
5
9
GND 6 3
5 6
J3
B IN/OUT 7
GND
8
J4
RL4
HD IN/OUT 9
A-12W-K
GND 10
1 10
J5
4
VD IN/OUT 11
4
3
GND 12
2
5
7
8
IFB-12(NEW)
9
5 6
RL5
A-12W-K
1 10
J3
AUDIO L AUDIO L AUDIO L
4
3
AUDIO L
1
2
GND 2 AUDIO R AUDIO R AUDIO R
7
8
AUDIO L 3
9
AUDIO R
4
5 6
GND 5 11.9
(0)
0
(4.9)
Q1
JP1 RN1423
R
SW
R 1
IN R 2
R
G-R 3
JP2
B
B 1
B
IN B
2
G-B 3
C
IFB-12 (NEW) /IFB-12A (1/3)
SW1
SSH-06
1 12
2 11
3 10
4 9 1
3
5 8
D3
DCC010
2
6 7 MODE SW
2
D4
DCC010
MODE SW
1
R2
75
1/2W
R
R OUT
R
R3 R175
75 22k
1/2W :RN-CP
C82
G
47
G OUT
16V
:TA-CP
IN R
G
R173
22k
:RN-CP
R4
75
1/2W
R183
B
22k
B OUT
:RN-CP
C89
B
47
16V
R
:TA-CP
IN G
G
R181
22k
:RN-CP
B
HD-OUT
VD-OUT
R191
22k
IFB-12A :RN-CP
CONV HD-IN
H-THRU
C96
SW9 47
SSJ-022M VD-IN 16V
:TA-CP
IN B
V-THRU
THRU
AUDIO L
AL-OUT
AUDIO L
AL-IN
R189
AUDIO R
22k
AR-OUT
:RN-CP
AUDIO R
AR-IN
POWOUT
R
IN R
IN G
G
IN B
B
7-11 7-11
D E
+5V IN
5V-2
RGB/VIDEO
R5
1k
5.0
:RN-CP
0 Q2 *marked parts
D6
RN1310
HZM2.7NB3
Ref.No. IFB-12(NEW) IFB-12A
MODE SW
R133 4.7k
10k
R133 R134 10k 4.7k
4.4
* R215 10k 4.7k
:RN-CP
R216 10k 4.7k
0 Q4 R217 10k 4.7k
2SC1623
MODE SW
R124
10k
:RN-CP
R134 CODE1
0
*
:RN-CP
0 Q5
2SC1623
MODE SW
R125
10k
:RN-CP
VIDEO/YC
R215
0.8
*
:RN-CP
0 Q6
2SC1623
R126 MODE SW
10k
:RN-CP
R216
1.0
*
:RN-CP
0 Q7
2SC1623
MODE SW
R127
10k
:RN-CP
3
R217
0
*
:RN-CP
0 Q8
2SC1623
R128 MODE SW
10k
:RN-CP
+12V
12V
+12V
D22
+10V IN
DCC010
D19
10V-2 C84 10 1 RL7
DCC010
R178 10 3 A-12W-K
820 16V PROT 4
:RN-CP :TA-CP 1 2 3
2
IC19
7
OPA658U
8
R174 AMP 9
10 C85 R177 C88
:RN-CP 7 0.1 75 2200 6 5
R
3
F:CHIP :RN-CP 10V
6
5.0
2
HD/CS
4
5.1
R176
R/C/R-Y
R179 C61 430
5.0
820 1p :RN-CP
:RN-CP F:CHIP
R
RL8
A-12W-K
D23
+10V IN
DCC010
10V-2 10 1
C91
R186 10
820 16V 4
:RN-CP :TA-CP 3
2
IC20
7
OPA658U
8
R182 AMP 9
10 C92 R185 C95
:RN-CP 7 0.1 75 2200 6 5
G
3 F:CHIP :RN-CP 10V
6
5.0
2
VD
4
5.0
R187 R184
G
G/Y/Y
820 C62 430
5.0
:RN-CP 1.5p :RN-CP
F:CHIP
R220
390
D24
:RN-CP
+10V IN
DCC010
10V-2 C98 10 1
RL9
R194 10
820 16V 4 A-12W-K
:RN-CP :TA-CP 3
2
IC21
7
OPA658U 8
R190 AMP 9
10 C99 R193 C102
:RN-CP 7 0.1 75 2200 6 5
B
3 F:CHIP :RN-CP 10V
6
5.0
2
B
4
5.0
R192 B/C/B-Y
0.1
R195 C63 430
5.0 (11.9)
820 1.5p :RN-CP
:RN-CP F:CHIP
Q21
RN1423
SW
4.9
(0)
AUDIO L/R
F
I/O
R/G/B
A
TO IFB-12A(3/3)
R/G/B
R/G/B
RGB OUT
HDI
TO IFB-12A(2/3)
VDI
GS
IFB-12(NEW)
(1/3)
IFB-12A
(1/3)
(INTERFACE)
POWIN
TO IFB-12A(3/3)
HD-OUT
HD-OUT
AUDIO L
VD-OUT
VD-OUT
AUDIO R
AL-OUT
AL-OUT
AR-OUT
AR-OUT
POWOUT
POWOUT
AUDIO L/R
TO IFB-12A(2/3)
B
B-SS9556<W/W>-IF12A-P1
IFB-12/12A
G H