Sony BKM-48X Installation And Maintenance Manual page 46

1
Y(15K) (1/4)
2
3
PB(15K) (1/4)
4
(1/4)
PR(15K)
5
A B
R707
6.8k
5V-2 1/10W
+5V
:RN-CP
R705
2.2k
Q700
1/10W
2SC2412K
:RN-CP
BUFFER
Q701
0.9
R702
1 2 3 4 5 6 7 8 9
2SA1462
1k
BUFFER
R700 1/10W
100 :RN-CP DL700 R704
0.1
1/10W 1k
:CHIP 1/10W
:RN-CP R706
0.1 18 16 15 13 12 10
R701 100
2.2k 1/10W R708
1/10W :CHIP1.2k
:CHIP 1/10W
:RN-CP
-5V
-5V-2
Q731
2SC2412K
5V-2
+5V
BUFFER
Q730
R733 R736
2SC2412K 2SC2412K
100 100
BUFFER 1/10W 1/10W
:CHIP :CHIP R738
0.9
R732 R735 2.2k
1k 1k 1/10W
1 2 3 1 2 3
R730 1/10W 1/10W :CHIP
0.1 0.1
100 :RN-CP :RN-CP
1/10W DL730 DL731
-0.6
:CHIP R739
-0.6
2.7k
0.1
R731 R734 R737 1/10W
6 4 6 4
2.2k 2.2k 2.2k :CHIP
1/10W 1/10W 1/10W
:CHIP :CHIP :CHIP
-5V
-5V-2
R756
4.7k
5V-2
+5V 1/10W
:RN-CP
R760
C750 R758 2.2k
R750 5p 1.8k 1/10W
100 50V 1/10W :CHIP
1 2 3 4 5 6
1/10W CH:CHIP :RN-CP
Q750 0.8
2SC2412K
:CHIP
2SC2412K
DL750
BUFFER
R754 R759 R761
0.1
10k 2.2k 100
0.9 0.1
1/10W 1/10W 1/10W
12 10 9 7
:CHIP :RN-CP :CHIP
R752 R762
0.8
R751 1k 2.2k
2.2k 1/10W R753 R755 1/10W
0.1 -4.5 Q752
1/10W :RN-CP 1k 100 :CHIP
Q751
2SC3545
:CHIP 1/10W 1/10W
2SA1462 AMP
:RN-CP :CHIP R757
BUFFER
1.2k
1/10W
:RN-CP
-5V
-5V-2
R776
4.7k
5V-2
+5V 1/10W
:RN-CP
R780
C770 R778 2.2k
R770 5p 1.8k 1/10W
100 50V 1/10W :CHIP
1 2 3 4 5 6
1/10W CH:CHIP :RN-CP
Q770 0.8
:CHIP
2SC2412K
DL770
BUFFER R774 R779 R781
10k 2.2k 100
0.9 0.1
1/10W 1/10W 1/10W
12 10 9 7
:CHIP :RN-CP :CHIP
R772
0.8
1k
R771
2.2k 1/10W R773 R775
0.1 -4.5 Q772
1/10W :RN-CP 1k 100
Q771 2SC3545
:CHIP 1/10W 1/10W
2SA1462
:RN-CP :CHIP R777 AMP
BUFFER 1.2k
1/10W
:RN-CP
-5V
-5V-2
C
BHA (3/4) BHA (3/4)
R711
2.2k
1/10W
:CHIP
R710
2.2k
1/10W
0.8 0.8 Q703
:RN-CP C701 C703
2SC2412K
0.01 470
C700 BUFFER 50V 10V
6p R712 F:CHIP :HT
0.1
50V 100
CH:CHIP 1/10W
R709 :CHIP
10k R713
0.8
1/10W 2.2k C702 C704
0.01 470
:CHIP 1/10W
Q702
:CHIP 50V 10V
2SC3545
F:CHIP :HT
AMP
-4.5
TP401
C731
Q732
0.01 R745
50V 33k
BUFFER F:CHIP 1/10W
8 7 6 5
C730 :RN-CP R741
0.1 82k R743
25V 1/10W 12k
F:CHIP :RN-CP 1/10W
R746 C734 :RN-CP
10k 2.2
R740 1/10W 16V
47k :RN-CP F:CHIP R742 C733
1/10W 27k 1
:CHIP 1/10W 16V
1 2 3 4
:RN-CP F:CHIP
C732
IC700
0.01
CXA1521M
50V
APT GAIN CONTROL
F:CHIP
C751 C753
0.01 470
50V 10V
F:CHIP :HT
Q753
TP501
BUFFER
PB(APT) (2/4)
C752 C754
0.01 470
50V 10V
F:CHIP :HT
C771 C773
0.01 470
50V 10V
F:CHIP :HT
Q773
TP601
2SC2412K
BUFFER
0.1
PR(APT) (2/4)
R782
2.2k
1/10W
:CHIP C772 C774
0.01 470
50V 10V
F:CHIP :HT
9-8 9-8
D E
R177
18k
1/10W
:RN-CP
IC170
CXA1521M
VIDEO
+5V
GAIN CONTROL
5.4
R172 C171
100k 0.01
1/10W 50V
:RN-CP F:CHIP
R174
12k
Q170
8 7 6 5
1/10W
2SA1037K
:RN-CP
BUFFER
R170 C170
100 22
0
1/10W 16V
:CHIP :BP
VIDEO (1/4)
R175
10k
0.1
1/10W
1 2 3 4
:RN-CP
R173
110k R176
1/10W C173 100
:RN-CP 0.1 1/10W
25V :CHIP
F:CHIP
C172 Q171
Y(APT) (2/4)
0.01
2SA1037K
50V
BUFFER
F:CHIP
APT LEVEL (4/4)
R277
18k
1/10W
:RN-CP
IC270
CXA1521M
+5V
PY GAIN CONTROL
R272 C271
100k 0.01
1/10W 50V
:RN-CP F:CHIP R274
12k
8 7 6 5
1/10W
2SA1037K
:RN-CP
BUFFER
R270 C270
100 22
0
1/10W 16V
:CHIP :BP
PY (1/4)
R275
10k
0.1
1/10W
1 2 3 4
:RN-CP
R273
110k R276
1/10W C273 100
:RN-CP 0.1 1/10W
25V :CHIP
F:CHIP
C272
Q271
0.01
2SA1037K
50V
BUFFER
F:CHIP
R377
18k
1/10W
:RN-CP
IC370
CXA1521M
+5V
PC GAIN CONTROL
R372 C371
100k 0.01
1/10W 50V
:RN-CP F:CHIP R374
12k
8 7 6 5
1/10W
2SA1037K
C370 :RN-CP
BUFFER
R370 22
100 16V
0
1/10W :BP
:CHIP
PC (1/4)
R375
10k
0.1
1/10W
1 2 3 4
:RN-CP
R373
110k R376
1/10W C373 100
:RN-CP 0.1 1/10W
25V :CHIP
F:CHIP
C372
Q371
0.01
2SA1037K
50V
BUFFER
F:CHIP
F
(4/4)
V LEVEL
INT-V (4/4)
Q172
DTA144EKA 5V-2
SW
R178
-5.2
4.7k
1/10W
-5.2
:CHIP
-5.2 Q173
2SC2412K
C174
BUFFER
0.022 R180
-4.8
50V 100
B:CHIP 1/10W C180 TP101
:CHIP 0.01
0
50V
F:CHIP
R179
V OUT (4/4)
100k
R181 -5.2
1/10W R182
100k
:CHIP 68
1/10W Q174
:CHIP 1/10W
2SC2412K
:RN-CP
BUFFER
-5V
-5V-2
PY LEVEL (4/4)
INT-YC (4/4)
Q272
DTA144EKA 5V-2
SW
5.4
R278
Q270 -5.2
4.7k
1/10W
-5.2
:CHIP
-5.2 Q273
2SC2412K
C274
0.022 BUFFER
R280
-4.8
50V 100
B:CHIP 1/10W C280 TP201
:CHIP 0.01
0
50V
F:CHIP
R279
PY OUT (4/4)
100k R281
-5.2
100k
1/10W R282
1/10W
:CHIP 100
Q274
:CHIP 1/10W
2SC2412K
:RN-CP
BUFFER
-5V
-5V-2
PC LEVEL (4/4)
INT-YC (4/4)
Q372
DTA144EKA 5V-2
SW
5.4
R378
Q370
-5.2
4.7k
1/10W
-5.2
:CHIP
-5.2 Q373
2SC2412K
C374
BUFFER
0.022 R380
-4.8
50V 100
B:CHIP 1/10W
C380 TP301
:CHIP 0.01
0
50V
F:CHIP
R379
PC OUT (4/4)
100k R381
-5.2
1/10W 100k R382
:CHIP 1/10W 100
Q374
:CHIP 1/10W
2SC2412K
:RN-CP
BUFFER
-5V
-5V-2
BHA
(3/4)
(GAIN CONTROL)
B-SS9610<WW.>-BHA-P3
G H