Sony BVW-55 Maintenance Manual page 714

4P H_+18_TIMES
1
1P Y_RF_DM
6P TBC_SPEED
4P SV_TAPE_SPEED
2
+5V-21
5V DC
0 ~
TC7S04FU(TE85R)
NOR FWD 2.56V
STOP 2.50V
R501
100k
CN100 (16/140) 16 L-SLOW_BID_IN
CN101 (16/140) 16 L-SLOW_BID_IN
6P Y_W_CLP_PLS
4P H-VIDEO_EE
1P H_-1/+3_TIMES
1P L-Y_DO
8P L-Y_NO_SIG
3
CN100 (22/140) 22 L-Y_PCM_MUTE
CN101 (22/140) 22 L-Y_PCM_MUTE
1P,5P L-Y_PCM_MUTING
DTC144EUA-T106
4P L-ADJ
4P H-METAL
4
2P C_RF_DM
2P L-C_DO
CN100 (24/140) 24 L-C_PCM_MUTE
CN101 (24/140)
24 L-C_PCM_MUTE
2P,5P L-C_PCM_MUTING
5
7P C_W_CLP_PLS
A B
RV505;TAPE SPEED OFFSET RV506;TAPE SPEED GAIN RV501;
FOR VAR DEMOD FOR VAR DEMOD
SPD OFFSET SPD GAIN
+5V-21 +5V-2
L501
C511 L513
22uH
0.022uF 100uH
R516
C501 C503
0
0.022uF 33uF
NM
6.3V
R508 R517
10k 910
IC504 SPEED
+9V-2
C502 R509 C508 CXA1450M-TH TP508
1uF 0 R513 0.022uF
25V NM 10k CL508
3 8 1 7
R518
IN1 OUT
+ 1k
1 3
IN2
2
-
R649 R514 C505
C507
51k 10k 0.022uF 4 5
0.022uF
NM CONT
R521
IC503 (1/2) 0
TL082CPW-E05
-5V-21
C512
R647 2 R519 0.022uF
10k 1k
3 1
R511 RV506
+5V-21 6
10k 10k C509 -5V-21
IC501
IC503(2/2) - 0.022uF
7
TL082CPW-E05
5 5
RV505 +
2k R520
VCC
0
SPD C506 NM
2 4
0.022uF
A Y ADJ1
R512
R502 10k
10k
GND TP501
+5V-21 CL501
3
R505
10k
5 1
1 3 2 3
6
7
2
D501
1SS300-TE85L
IC500(1/3) IC500(2/3)
R506
TC7W02FU(TE12R) TC7W02FU(TE12R)
4.7k
IC500 (3/3)
TC7W02FU(TE12R)
+5V-21
VCC
+5V-21 +5V-21
GND
IC502(2/3)
R510 R515
TC7W32FU(TE12R)
10k 10k +5V-21
5
3
6
R524
+5V-21 47k
E502
D502
1SS300-TE85L
R503
47k R504
10k
1
7
2
Q502 L:Y MUTING
DTC144EUA-T106
IC502(1/3)
+5V-21
TC7W32FU(TE12R)
R507
10k H:PB NO SIG
Q501
IC502(3/3)
TC7W32FU(TE12R)
+5V-21
VCC
C510
GND 0.022uF
+5V-3
L514
IC701(3/3) 100uH
TC7W32FU(TE12R)
H:PB NO SIG
+5V-31
IC702(2/5)
CXA1370Q
36 34
SHVIN SHOUT
VCC C702
0.022uF
GND 37 35
SHREF SHC
39
SHCLP
38
SHAPL
IC701(2/3)
TC7W32FU(TE12R) 5
3
6
D701
+5V-31
1SS300-TE85L
L;C MUTING
IC701(1/3)
TC7W32FU(TE12R)
R701
1
47k R702
7
10k
2
SPD
ADJ2
TP701
CL701
C
DM-121 (3/9) DM-121 (3/9)
IC505(4/5)
CXA1370Q
46 45
GNDLM VCCLM IC505_1-3
C573
47 2
Y VAR DeEMPHASIS DC RV502;Y DEMOD LIMITER BALANCE 0.1uF
GNDEX VCCEX
NM
Y DEEM Y DEM BAL 40 33
GNDSH VCCSH
32 28
GNDDM VCCDM
6 9
GNDDE VCCDE
14 17
GNDBUF VCCBUF
19 25
GNDSW VCCSW
200mVpp
R525 R540
470k
5 16
R522 C514 C513
LMIN1 BAOUT
47k 150uF 0.1uF
6.3V RV502
10k
GAIN 4 15
C517
LMIN2 BBOUT
0.022uF
GAIN
2.5V@NOR FWD
R527 6.2k 31
SELECTED SPEED IEXT1
R528 30k 29
R691
IEXT2
0
30
VIIN
27
VDGAIN
R692
R530 6.2k 12 3
RV501 0
DMGAIN MVDC
10k NM GAIN
7 26
HFX DEMCV
R539
8 10
1k
LDO DMRC
13 11
DRPV FDEDC
R523 C515 C524 C519 R541
IC505(1/5)
27k 0.022uF 47uF 47uF 1k
CXA1370Q 6.3V 6.3V
R531
220
R534 R536 C521
R532 200 0 150pF
220 NM
C520 R535 R537 R538
100uF 3.9k 10k
1.2k
6.3V
R698 R699
10k 10k
NM NM
+5V-2
Q527 +9V-2 C665
0.1uF
2SC4213-AB-TE85L
NM
NM R695 R696
10k 10k
NM NM
3 8
R694
10k +
1
NM +5V-2
C667 R697 C666
4P H-OXIDE 2 -
0.1uF 10k 0.1uF C664
NM NM 0.1uF
4
R693 NM
10k
5
NM
R700
VCC
30k
-5V-21
NM
2 4
9P V-CLAMP A Y
IC514
IC610(1/2) +5V-2
TC7S04FU(TE85R)
R807
GND TL082CPW-E05 R690
10k
NM 120k
NM NM
3 NM
R533
100
+5V-21
C601
0.1uF
IC600
TC7SH32FU-TE85R
5
2 VCC 4
4P H-Y_PEDESTAL_MARKER A Y
1
B
GND
+5V-2
3
+5V-2
Q503 Q504
IC506
DTA144EUA-T106 DTA144EUA-T106
TC7S04FU(TE85R)
5
C516 C518
VCC
0.1uF 10uF
16V R689
2 4
10k
A Y
NM
R526
GND
470k
3
R529
100
SELECTED SPEED
IC702(4/5)
CXA1370Q
46 45
GNDLM VCCLM IC702_2-3
C DEEM
RV701;C VAR DeEMPHASIS DC 47 2
GNDEX VCCEX
40 33
RV702;C DEMOD LIMITER BALANCE C DEM BAL GNDSH VCCSH
32 28
GNDDM VCCDM
6 9
GNDDE VCCDE
14 17
GNDBUF VCCBUF
19 25
GNDSW VCCSW
R705 R718
220k
5 16
C703 C701 R703 RV702
LMIN1 BAOUT
150uF 0.1uF 47k 10k
6.3V
4 15
C705 LMIN2 BBOUT
0.022uF
GAIN
R707 6.2k 31
IEXT1
R708 30k 29
IEXT2
30
VIIN
+5V-31
27
RV701
VDGAIN
10k
R709 6.2k 12 3
DMGAIN MVDC
R706
7 26
47k
HFX DEMCV
R717
8 10
10k
LDO DMRC
13 11
DRPV FDEDC
C710 C706 R719 C709
IC702(1/5)
R704 C704 47uF 47uF 1k 4.7uF
CXA1370Q
27k 0.022uF 6.3V 6.3V 35V
R710
220
R712 R714 C708
R711 360 0 150pF
220 NM
C707 R713 R715 R716
100uF 3.9k 8.2k 1.1k
6.3V
4-38 (b) 4-38 (b)
D E
2FC ELIMINATE LPF
+5V-21
1P
Q505
L502
22uH FMY3-T-148
NM
C523 C522 R546 R560
100uF 0.1uF 470 2k
FL501
R544 6.3V NM NM
NM
22 3 4
NM
LPF (M)
2 1 IN 2
OUT
G1 G2 G3 NC1 NC2
Y DM
TP502 1 5 R550 R551 3 4 5 6 7
16k 330
CL502 NM NM
R554 R558
22 0 0
R545 NM NM
470
NM
Q506
FMY3-T-148
R548 R553 R556 R565
SEARCH
22k 1k 470
LPF
FL502
LPF (O)
R543 L503 L504 3 4 3 4 1 IN 2
OUT
4.7k 470uH 1mH
G1 G2 G3 NC1 NC2
2 2
R559
R557 3 4 5 6 7
Q507
16k 330
R542 1 5 FMY3-T-148 1 5
10k C526 C528 R562
3pF 4pF 0
NM
R552 R555
C525 C527 C529 C530 R547 R549 1k 470 R566
4.7uF 7pF 36pF 43pF 0 20k 2k
35V NM
IC505(2/5)
CXA1370Q
36 34
C572
SHVIN SHOUT
0.22uF
35V
NM
37 35
SHREF SHC
39
SHCLP
38
SHAPL
CL500 R650
10k
NM
6
R688
- 7
10k
NM TC7S08FU(TE85R)
5
+
IC610(2/2)
TL082CPW-E05
C650
0.1uF NM
NM
9P L-ALT
+5V-31
2FC ELIMINATE LPF
2P
L701
2SC4177-T1L5L6
22uH
C712 C711 R720
100uF 0.1uF 470
FL701
6.3V NM R721
NM
C DM 330
NM
TP702 LPF (M)
1 IN 2
Q702 OUT
CL702
2SA1611T1-M5M6 G1 G2 G3 NC1 NC2
NM 3 4 5 6 7
R722
22 0
NM
R724
2.7k
NM
R726 R729
470 1.5k
FL702
R727
330
LPF (O)
1 IN 2
OUT
Q704 G1 G2 G3 NC1 NC2
2SA1611T1-M5M6 3 4 5 6 7
R728
0
NM
R730
2.4k
2SC4177-T1L5L6
F
Q508
FMY3-T-148
NM
+5V-21
R564 L505
1k 22uH
NM
3 4
2 C531 C532
100uF 0.1uF
6.3V
1 5
R561
Y PRE
2k
NM
TP503
R563
80mVpp
1k CL503
Q510
(40mVpp/MHz)
R573
2SA1611T1-M5M6
1k
IC505(3/5) Q511
R570 CXA1370Q 2SC4177-T1L5L6
0
NM
R569
24 18
2k 1k
SWIN1 SWOUT
22
3 4
SWIN2
R574
20
2 470
SWIN3
21
SWC1
1 5
23
SWC2
R567 R568 R648
0 1k 1k
NM
R571
100k
Q509
FMY3-T-148
R572
100
NM
+5V
IC710
5
2 VCC 4
A Y
1
B
GND
3
R806
0
NM
R804
0 R733
100
R736
Q710
0
Q703
2SC4177-T1L5L6
NM Q708
2SA1611T1-M5M6
NM
R723 R734 C713 R740 R742 R744
1.6k 100 0.022uF 150 150 10k
NM NM
Q707
2SA1611T1-M5M6
53mVpp
(40mV/MHz)
C PRE
TP703 2.5V DC
R725
1k CL703
R738 R743
1.8k 3.3k
IC702(3/5)
CXA1370Q
24 18
R739
SWIN1 SWOUT
1.8k
22
SWIN2
20 Q706
SWIN3 2SC4177-T1L5L6
21
SWC1
23
SWC2
GND
E701
R731 R732 R737 R735 R741 C714 R745 R746
1k 1k 1k 100k 470 100uF 10k 1k
6.3V
Q709
Q705
2SC4177-T1L5L6
BVW-55
G H