Sony BKM-48X Installation And Maintenance Manual page 45

5V-2
+5V
Y/G (1/4)
IC451
EL4451CS
Y(APT) (3/4)
GAIN CONTROL
R450
100
Q450
1/10W
8 7 6 5
2SC3545
:CHIP
BUFFER
C450
IC450 0
22
TC4W53FCS
16V
-0.8
Y/G SW :BP
1 2 3 4
R451 R452
2.2k 47k
1/10W 1/10W
:CHIP :CHIP
R456
330k
1/10W
:CHIP
-5V
-5V-2
5V-2
+5V
PB/B (1/4)
IC551
EL4451CS
(3/4)
PB(APT) GAIN CONTROL
R550
100
Q550
1/10W
8 7 6 5 2SC3545
:CHIP
BUFFER
C550
IC550 0
22
TC4W53FCS
16V
-0.8
PB/B SW
:BP
1 2 3 4
R551 R552
2.2k 47k
1/10W 1/10W
:CHIP :CHIP
R556
330k
1/10W
:CHIP
-5V
-5V-2
5V-2
+5V
PR/R (1/4)
IC651
EL4451CS
PR(APT) (3/4)
GAIN CONTROL
R650
100
Q650
1/10W
8 7 6 5 2SC3545
:CHIP
BUFFER
C650
IC650 0
22
TC4W53FCS
16V
-0.8
PR/R SW
:BP
1 2 3 4
R651 R652
2.2k 47k
1/10W 1/10W
:CHIP :CHIP
R656
330k
1/10W
:CHIP
-5V
-5V-2
33K/GBR (1/4)
A B
C452 C454
0.01 470
50V 10V
F:CHIP :HT
R457
10k
G
1/10W
:RN-CP
14 13 12 11 10 9 8
R453
10k
1/10W
:CHIP R455
R458 C456 3.3k
1.5k 2.2 1/10W
1/10W 16V :CHIP
:RN-CP F:CHIP
Y LEVEL (4/4)
1 2 3 4 5 6 7
C451 R454 C453 C455
0.01 1.5k 0.01 470
50V 1/10W 50V 10V
F:CHIP :CHIP F:CHIP :HT
C552 C554
0.01 470
50V 10V
F:CHIP :HT
R557
10k
B
1/10W
:RN-CP
14 13 12 11 10 9 8
R553
10k
1/10W
:CHIP R555
R558 C556 3.3k
1.5k 2.2 1/10W
1/10W 16V :CHIP
:RN-CP F:CHIP
PB LEVEL (4/4)
1 2 3 4 5 6 7
C551 R554 C553 C555
0.01 1.5k 0.01 470
50V 1/10W 50V 10V
F:CHIP :CHIP F:CHIP :HT
C652 C654
0.01 470
50V 10V
F:CHIP :HT
R657
10k
R
1/10W
:RN-CP
14 13 12 11 10 9 8
R653
10k
1/10W
:CHIP R655
R658 C656 3.3k
1.5k 2.2 1/10W
1/10W 16V :CHIP
:RN-CP F:CHIP
PR LEVEL (4/4)
1 2 3 4 5 6 7
C651 R654 C653 C655
0.01 1.5k 0.01 470
50V 10V
50V 1/10W
F:CHIP :CHIP F:CHIP :HT
5V-2
IC5(1/4) IC5(3/4)
MC74HC00AFEL MC74HC00AFEL
SYSTEM SW SYSTEM SW
14
12
0 5.4
11 1
(4/4) ≠≠ ≠ OE
13
5.4
2
7
0
5.4
4
9
0 5.4
8 5
(4/4) ≠≠≠ 33K ≠≠
10
5.4 IC5(4/4)
IC5(2/4) MC74HC00AFEL
MC74HC00AFEL
SYSTEM SW
SYSTEM SW
C D
BHA (2/4) BHA (2/4)
Q472
DTA144EKA
Y/G SW
5.4
R473
R471
100
Q470
2.2k
1/10W
-5.2 Q473
2SA1037K 1/10W
:CHIP
BUFFER :CHIP 2SC2412K
BUFFER
-0.6
-5.2 -5.1 -4.8
R470
100 C470
-0.6 -4.8
1/10W 0.01
TP402
:CHIP R472 50V
100k F:CHIP
1/10W
0.6
:CHIP
Y/G OUT
Q471
R474 R475
2SA1037K -5.2 (4/4)
100k 68
BUFFER 1/10W
1/10W
Q474
:CHIP :RN-CP
2SC2412K
BUFFER
G
Q572
DTA144EKA
PB/B SW
5.4
R573
R571
100
Q570 Q573
2.2k
1/10W
2SA1037K -5.2 2SC2412K
1/10W
:CHIP
BUFFER :CHIP BUFFER
-0.6
-5.2 -5.1 -4.8
R570
100 C570
-0.6 -4.8
1/10W 0.01
TP502
:CHIP R572 50V
100k F:CHIP
1/10W
0.6
:CHIP
PB/B OUT
Q571
R574 R575
2SA1037K -5.2 (4/4)
100k 68
BUFFER 1/10W 1/10W
Q574
:CHIP :RN-CP
2SC2412K
BUFFER
B
Q672
DTA144EKA
PR/R SW
5.4
R673
R671 100
Q670
2.2k 1/10W
2SA1037K -5.2 Q673
1/10W :CHIP
:CHIP 2SC2412K
BUFFER
BUFFER
-0.6
-5.2 -5.1 -4.8
R670
100 C670
-0.6 -4.8
1/10W 0.01
TP602
:CHIP R672 50V
100k F:CHIP
1/10W
0.6
:CHIP
PR/R OUT
Q671
R674 R675
-5.2 (4/4)
2SA1037K
100k 68
BUFFER
1/10W 1/10W
Q674
:CHIP :RN-CP
2SC2412K
BUFFER
R
3
5.4
6
0
33K (1/4)
9-7 9-7
E
+5V
Q482
DTA144EKA
2Y/2G SW
0
R483
R481 100
Q480
1.2k
1/10W
5.3
2SA1462 1/10W
:CHIP
Q483
BUFFER :CHIP
2SC3545
1.4 2.2 2.2
BUFFER
R480
1.4
100 C480
1.4
1/10W 0.01
TP403
:CHIP R482 50V
4
100k F:CHIP
1/10W
0.7
:CHIP
Q481 2Y/2G OUT
0.6
2SA1462
R484 R485
G (4/4)
BUFFER
100k 39
Q484
1/10W 1/10W
2SC3545
:CHIP :RN-CP
BUFFER
-5V
+5V
Q582
DTA144EKA
2PB/2B SW
0
R583
R581
100
Q580
1.2k
1/10W
2SA1462 5.3
1/10W
:CHIP
:CHIP Q583
BUFFER
2SC3545
1.4 2.2 2.2
BUFFER
R580
1.4
100 C580
1.4
1/10W 0.01
TP503
:CHIP R582 50V
5
100k F:CHIP
1/10W
0.7
:CHIP
Q581 2PB/2B OUT
2SA1462 0.6
R584 R585
B
(4/4)
BUFFER 100k 39
Q584
1/10W 1/10W
2SC3545
:CHIP :RN-CP
BUFFER
-5V
+5V
Q682
DTA144EKA
2PR/2R SW
0
R683
R681 100
Q680
1.2k 1/10W
2SA1462 1/10W 5.3
:CHIP
:CHIP Q683
BUFFER
2SC3545
1.4 2.2 2.2
BUFFER
R680
1.4
100 C680
1.4
1/10W 0.01
TP603
:CHIP R682 50V
6
100k F:CHIP
1/10W
0.7
:CHIP
Q681 2PR/2R OUT
0.6
2SA1462
R684 R685
R (4/4)
BUFFER
100k 39
Q684
1/10W 1/10W
2SC3545
:CHIP :RN-CP
BUFFER
-5V
BHA
(2/4)
(GAIN CONTROL)
B-SS9610<WW.>-BHA-P2
F G
1
2
3
4
5
H