Sony BVW-55 Maintenance Manual page 672

1
1P,3P L-VIDEO_REC/EE
1P C-A_PB_RF_AFM
2
1P,2P,3P GND (AFM_1(G))
CSW
TP121
CL121
1P,3P L-VIDEO_REC/EE
CN21(99/100) 99 C_SW_PLUSE
3
4
1P C-B_PB_RF_AFM
1P,2P,3P GND (AFM_2(G))
5
1P H-VIDEO_REC/EE
1P,3P L-REC_CONT_IN
1P L-METAL/H-OXIDE
1P H-AFM_MUTE_IN
A B
+5V
R607
R603 100k
0
R606 R608
15k 27k
C600 C613 C606 C608
47pF 220pF 680pF 0.01uF
R601 C603
10k 0.047uF
IC602
AN3920S-E2
AGC AMP
IC601
TC7W53FU(TE12R)
+5V-3
C604
0.047uF
8
C602
0.047uF
6 VCC 1
CH1 COM SQL DET
+5V-3
Q601 TP601
C607
7 FL601 0.22uF
2SC4177-T1L5L6
CH0 540KHZ 35V
5
C601
A
0.047uF C605 R605 2 4 6 7 CL601
2
0.047uF 1.8k O1 I1 O2 I2
INH
1 9
VEE GND IN BPF OUT
G1 GND1 G2 GND2 G3
3 4 R602 R604
100k 2.2k R609
19 16 20 10 21
2.2k
-5V-3
-5V-3
IC121
+5V-2 TC7SH08FU-TE85R
+5V
R121 IC120(1/5)
47k IC120 (4/5)
5 TC74VHC86FT(EL)
TC74VHC86FT(EL)
R123
2 VCC 4 1
10k
A Y 3 12
2 11 10
R122
13 8
1k
1 IC120 (2/5) 9
B IC120(3/5)
TC74VHC86FT(EL)
GND C121
GND-2 GND-2 TC74VHC86FT(EL)
100pF 4
GND-2
3 6
5
C122 R125 R124
+5V-4
0.001uF 15k 33k
GND-2 +5V
GND-2
15 14
T1 T2 10 7 8
Q
PR VCC
11 2 5
D Q
12 9 1
Q
CD 3
Q
13 CLR GND
6 4
IC122(2/3)
TC74HC4538AFT(EL) GND-2
IC123
TC7W74FU(TE12R)
+5V-3
C701
0.047uF
R706 R709
15k 27k
C705
C703 2.2uF
680pF 10V
C700
C713
47pF
220pF
IC702
AN3920S-E2
AGC HEAD AMP
R701 C702
10k 0.047uF
IC704(1/2)
TL082CPW-E05
R703 5
R702 100 C704
100 + 0.22uF
7
R707 35V
27k
- 6
R708
R704 R705 11k
10k 560
+5V-4 +5V-4
AFM CARRIER R710
47k
ON/OFF
Q701
DTA144EUA-T106
2
4
1
IC701(1/2)
S701
TC7SET02FU(TE85R)
(1/2)
GND-2
C
AFM-16 (3/3) AFM-16 (3/3)
FL602
310KHZ
R631 C631
1.8k BPF 0.047uF
1 2
IO1 IO2
GND
4 3 5
R633
2.7k
+5V-3
+5V-3
IC125 (1/5)
Q602
TC74VHC00FT(EL)
DTA144EUA-T106
1
3
+5V-3
2
C612
R613 3.3uF
47k 10V
Q603
2SC4177-T1L5L6
D601
R614
1SS301-TE85L
470
R615
1 2
10k
3
Q604
R611 2SA1611T1-M5M6
47k
R612 C611
150k 0.0022uF
-5V-3
FL603
540KHZ
C610 R632 C632
0.047uF 1.8k BPF 0.047uF
1 2
IO1 IO2
GND
4 3 5
C609
0.047uF
R610 R634
1k 2.7k
C123 R128 R126 +5V-4
0.001uF 68k 20k
15 14
T1 T2 10
Q
11 5 R147
6 1k
12 9 4
Q
CD
IC125 (2/5)
13
TC74VHC00FT(EL)
R148
IC124 (2/3)
1k
TC74HC4538AFT(EL)
C124 R129 R127 +5V-4
0.001uF 68k 20k +5V
IC124 (1/3)
1 2 TC74HC4538AFT(EL) 5
T1 T2 6 2 VCC 4
Q A Y
5
4 7 1
Q B
CD GND
IC130
+5V-4
3 3
TC7SH02FU-TE85R
GND-2
DO
+5V-3
TP700
D716
R717 R720 R721
1SS301-TE85L
39k 270k 2.2k
1 2
IC704(2/2) R719
R713 10k
TL082CPW-E05 5 3
22k R731
+ 100k
3 8 7
R716
+ 10k
1 6 - C730
IC707(2/2) 220pF
2
- LM2903PW-E05
FL702
4 310KHZ
R730 C731
R714 1.8k 0.047uF
BPF
33k R715 1 2
-5V-3 IO1 IO2
27k R718
GND
33k
4 3 5
R733
2.7k
IC707 (1/2)
3 8 LM2903PW-E05
+
1
2 -
4
FL703
540KHZ
C707 R732 C732
0.047uF 1.8k 0.047uF
BPF
1 2
IO1 IO2
GND
4 3 5
C706 R711
0.047uF 4.7k
R712 R734
330 2.7k
D700
1SS301-TE85L
1
3
2
Q702
DTC144EUA-T106
IC125 (4/5) 10
8
TC74VHC00FT(EL) 9
13
11 IC125 (3/5)
2 12
GND-2 TC74VHC00FT(EL)
4
1
IC705 (1/2)
TC7SH08FU-TE85R
4-6 4-6
D E
+5V-2 +5V-3
R619 R623
0 0
NM
RV601
R638 R639 2
2k TP602 310K
10k 510
1 3
C643 R644
CL602
470pF 2.2k
RV601;CH3 CARRIER FREQ.
R645
DEMODULATOR
220k
R637 C639
D602 110k 0.047uF
1SS302-TE85L
C636
150pF
C645
0.01uF
1SS302-TE85L
C647
C633
47uF
47uF
6.3V
6.3V
IC608
AN3922NS-E2
R635 R646
820 820
L603
L601
560uH
560uH
L602 R636
2.7mH 390
L604 R647
2.7mH
C642
560pF
C641
0.1uF
C646
C640 R642 R643 10uF
3.3uF 47k 2.2k 10V
10V
C638 R641
C637 1uF 12k
0.0022uF 16V
C648
0.0022uF
C634 C635 R640
C644 C649
0.0022uF 0.0027uF 100
0.0047uF 0.0027uF
+5V-2 +5V-3
R624
0 R625
NM 0
RV701
R738 2 2k TP701 540K
5.6k
1 3
C743 R743
CL701
470pF 2.2k
RV701;CH4 CARRIER FREQ.
DEMODULATOR
R744
220k
R737 C739
100k 0.047uF
C736
D702
150pF
1SS302-TE85L
C745
0.01uF
1SS302-TE85L
C733 C747
47uF 47uF
6.3V 6.3V
IC708
AN3922NS-E2
R735 R745
820 820
L703
L701
560uH
560uH
L702 R736
2.7mH 390
L704 R746
2.7mH
C742
560pF
C741
0.1uF
C740 R741 R742 C746
3.3uF 47k 2.2k 10uF
10V 10V
R740
C738
12k
C737 1uF
0.0022uF 16V
C748
C734 C735 R739 C744 0.0022uF
0.0022uF 0.0027uF 100 0.0047uF
C749
0.0027uF
F G
+5V-2
310K
TP651
R649 R651 2
CL651
10k 510
1 3
RV603
RV603;CH3 CARRIER FREQ. 2k
C658 R656
MOD/DEMOD 470pF 2.2k
R657
220k
R648 C654
110k 0.047uF
C650
150pF
C660
D603 0.01uF
IC609
AN3922NS-E2
390
C657
560pF
C655 C656
3.3uF 0.1uF
R650 10V
C661
220k
C651 R654 R655 10uF
4.7uF 47k 2.2k 10V
10V
C653 R653
1uF 12k
C652
16V
0.0022uF
RV602
20k R652 C659
100 0.0047uF
Q605
DTC144EUA-T106
RV602;CH3 DEVIATION
+5V-2
540K
TP751
RV703
2k
R748 2
5.6k CL751
1 3
RV703;CH4 CARRIER FREQ.
C758 R754
MOD/DEMOD 470pF 2.2k
R755
220k
R747
100k C754
0.047uF
C750
150pF
C760
0.01uF
D703
IC709
AN3922NS-E2
390
C757
560pF
C755 C756
3.3uF 0.1uF
R749 10V
C761
220k
C751 R752 R753 10uF
4.7uF 47k 2.2k 10V
10V
R751
C753
12k
1uF
C752 16V
0.0022uF
RV702
20k R750
C759
100
0.0047uF
Q705
DTC144EUA-T106
RV702;CH4 DEVIATION
RF_MUTE 1P
BVW-55
H