Ifb-12A Board - Sony IFB-12 Service Manual

AUDIO L/R
D10
R49
+10V IN DCC010
4.7k
3 :RN-CP
10V-2
1 2
C12
0.1
3.5
R48 F:CHIP
1k
8.5
:RN-CP
Q29
2SA812
C4
BUFF
100p
F:CHIP
+10V IN
C1
47
16V
:TA-CP :RN-CP
HD-IN
+10V IN
1
10V-2 3
D7
:RN-CP
DCC010
1 2
PROT
ON
R6
75
1/2W
SW6 :RN-CP
OFF
SSJ-012M R7
10k
:RN-CP
R53
1k
:RN-CP :RN-CP
VD-IN
C9 C13
+10V IN
47 100p
16V 10V-2 3 F:CHIP
:TA-CP :RN-CP
1 2
D8
DCC010
R18
PROT
75
SW7 1/2W
SSJ-012M :RN-CP
ON
OFF
R19
10k
:RN-CP
+10V IN
10V-2
VOLTAGE HOLD
2
Q16
R28
D20 RN1310
100k 3
DCC010 AUDIO BUFF
:RN-CP
C14
10
16V 2 1
4.4
:TA-CP
AL-IN
3
AUDIO L
R27 R29
1M 100k
:RN-CP :RN-CP R30
4.7k
:RN-CP
R32
D21
100k
:RN-CP DCC010
C15
9.2
10
16V 2 1
4.4
:TA-CP
AR-IN
3
AUDIO BUFF
AUDIO R
R31 R33
1M 100k
3.8
:RN-CP :RN-CP R34
4.7k
:RN-CP
IFB-12/12A
A B
IFB-12 (NEW) /IFB-12A (2/3)
*marked parts
Ref.No. IFB-12(NEW) IFB-12A
R10 1k 2.2k
R12 33k 39k
R45 430 1k
R47 1.5k 3.3k
C23 R89
Q33
47 1k
2SA812
16V :RN-CP
SLICER
:AL-CP
R54
2.2k
Q30 Q32
:RN-CP R87
2SC1623 2SC1623 9.8 Q34
4.7k
SLICER BUFF 2SC1623
R84 :RN-CP
5.0
120 SLICER
:RN-CP
6.0 6.6
4.8 6.0
Q31
6.0 2SA812
R86
BUFF
R94 R85 100 R88
220k 2.2k :RN-CP 2.2k R93 C17
5
:RN-CP :RN-CP :RN-CP 390 0.22
:RN-CP F:CHIP
Q27 Q10
10V-2 R46
2SA812 2SC1623
1k
BUFF IFB-12A
:RN-CP BUFF
C2
10 16V :TA-CP 0.1
B:CHIP
9.2 R11
R8 R44
47k :RN-CP
47k 390 5
:RN-CP
R12
* :RN-CP 4.7
R47 R221 3 4
* 4.7k
3.7
R9 :RN-CP :RN-CP 6 1
Q12
15k
9.0 R13 +10V IN
2SC1623
47k :RN-CP
BUFF 10V-2
R10 IFB-12
3.2
* (NEW) 2
R14
R45 :RN-CP
47k :RN-CP
5.5 Q11
*
HN1B01F
:RN-CP
PEAK HOLD
C3
+5V IN
R222 10 16V :TA-CP
5V-2 2.2k
:RN-CP
+10V IN
10V-2 C10
4
IFB-12(NEW) 10 16V :TA-CP
R23
47k
Q14
R20 :RN-CP
4.8 IC1(2/2)
2SC1623
22k 5
NJM082BM
BUFF
R24
39k BUFF
3.7 2.8
3 4 :RN-CP
5
4.2 1.8
R21 6 1 7
22k 6
R22 R25
2.2k 47k
2 2.8
:RN-CP 2 :RN-CP
4.2 Q15
R26 10V-2
HN1B01F
47k
+10V IN
PEAK HOLD
:RN-CP C11
10
16V
:TA-CP
+12V
12V C18
0.1
B:CHIP
D9
DCC010
C19
10
AUDIO L
16
AUDIO L
:TA-CP
1 AUDIO L
3.8
R36 R37
1M 1M
8 7 6 5
:RN-CP :RN-CP
C16
47
IC4
16V
TC4W66F
:AL-CP
AUDIO SW
C20
10
1 2 3 4
16
AUDIO R
:TA-CP
+10V IN
AUDIO R
10V-2
R38 R39
1M 1M
:RN-CP :RN-CP
+10V
R35
22k
:RN-CP
Q17 AUDIO R
RN1310
C
IFB-12 (NEW) /IFB-12A (2/3)
AUDIO L/R
TO IFB-12A(1/3)
IFB-12(NEW)
V-THRU
RL6
THRU
A-12W-K
9
8 SW10
H-THRU SSJ-022M
7
2
CONV
3
4 12V
IFB-12A
Q9
10 1
+12V 2SC1623
3
SW
11.9
1 2
0
D5
DCC010
+10V
PROT R210
R211 10k
10k :RN-CP
:RN-CP
+10V IN +10V IN
IC2 +5V IN
10V-2 10V-2
GS4881-CKA
C5 5V-2
SYNC SEP.
R16
2.2k
4.7
:RN-CP
CS VCC
6.8
3.1
IC1(1/2) V IN DD/EVN
R219
NJM082BM 5.0 1.2
8 100 C6
VS REST
BUFF
3 :RN-CP 0.22
1 F:CHIP
GND BST/BP
2
Q13
4 6.0
2SA812
4.7
BUFF
C8
0.1
B:CHIP
IC3 +5V IN
SN75157PS
5V-2
COMP.
3
VCC
C80
5.5 4.7
0.1
B:CHIP
3.9 4.2
4.3 2.8
GND
D11
DCC010
PROT
1 2
+10V OUT
IC6
10V-3 3
NJM78L05A
+5V REG.
3 1
I O
G
C21
10
2
16V
:TA-CP
SCT
TO IFB-12A(3/3)
AUDIO
AUDIO L/R
IFB-12 (NEW)
IFB-12A
7-12 7-12
D E
B
GS
HDI
VDI
JP5
GS
1
2
3 HD
C7 R17
0.1 430k
B:CHIP :RN-CP
JP3
1 VIDEO
2
SYNC
3
JP4
1 VIDEO
2
3 SYNC
+5V OUT
5V-3
R164
430
:RN-CP
C22
0.22
F:CHIP
(2/3)
(2/3)
(INTERFACE)
B-SS9556<W/W>-IF12A-P2
F G
1
2
3
4
5
H