Omnivision PVQ-130W Service Manual page 173

Combination vcr
Table of Contents

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MAIN VI SCHEMATIC DIAGRAM
ABL
87
6
HIGH VOLTAGE PROTECTOR
86
AFC
89
BLANKING PULSE
91
H-PULSE
88
TO MAIN III
V-PULSE
85
V.HEIGHT CONTROL
84
H-PULSE
90
V-POSITION
92
5
4
3
2
A,B,C,D,E,F,G,M
TO MAIN II
DC +13V
99
DC +16V
99
TO MAIN IV
H,I,J,K,L
1
UNLESS OTHERWISE SPECIFIED:
PNP TRANSISTORS IS 2SA1037K146R,
NPN TRANSISTORS IS 2SC2412K1,
DIODES IS MA165 AND
WATTAGE RESISTORS IS 1/10W.
A
A
A
B
Q572
(DRIVE)
R509
100
1/4W
D505
R519
8200
1/4W
R513
4700
D506
R535
1/4W
Z
4700
R538
Z
1/4W
R520
Z
D521
C542
4700
Z
R536
1/4W
5600
1/4W
R503
11.3K
A,B,C,D,E,F,G,M
Z
10.2K
H,I,J,K,L
C511
Z
R573
R571
220
100
1/4W
Z
Z
1/4W
Q571
D501
C501
(BUFFER)
J501
R501
R572
Z
R574
680
330
27K
1/4W
1/4W
U451
RAMP
VERTICAL
ONE SHOT
IC451
THERMAL PROTECTION
GENERATOR
DRIVE
MULTI
LA7837
VERTICAL
VERT.
VERT.HEIGHT
TRIG.
DEFLECTION
CONTROL
PUMP UP
INPUT
DRIVE
VCC
VCC
1
2
3
4
5
6
7
8
9
10
Z
C408
R468
1K
C429
1/50V
Z
C411
R410
A,B,C,D,
R422
R466
1500
C409
C402
E,F,G,M
R434
100
68K
100/35V
470/16V
3900 1/4W
10K
1/4W
H,I,J,K,L
D401
Q431
ERB12-01
2SA1175
R433
(BUFFER)
15K
R409
C418
R435
27K
220/35V
1K
R436
100K
C401
2.2/50V
C414
1000/25V
R401
R402
R432
R411
R414
820
18K
R431
47K
82K
2.2
A,B,C,D,E,F,G,M
A,B,C,D,E,F,G,M
10K
56K
100K
1.2
H,I,J,K,L
270
22K
1/2W
H,I,J,K,L
A,B,C,D,E,F,G,M
R470
1500
1/4W
R476
Q432
560
2SC3311A(R)
R477
1/4W
V-POSITION
100
CONTROL
Q434
R469
2SC3311A(R)
2200
V-POSITION
1/4W
CONTROL
C
D
E
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED BY THE SIGN
SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY.
WHEN REPLACING ANY OF THESE COMPONENTS,
USE ONLY THE SPECIFIED PARTS.
Z
J502
R512
2200
1/4W
TP558
D558
ERB43-04V
C504
Z
C558
D504
MA4047-H
100/35V
TP559
C555
Z
(4.7V)
C552
D560
470/25V
ERB43-04V
A,B,C,D,E,F,G,M
ERB44-04V
H,I,J,K,L
L501
ELH5L4108
R532
ELH5L423
1K
LLH2601T
1W
D503
Z
C513
R558
ERB43-04
10/50V
470
A,B,C,D,E,F,G,M
A,B,C,D,
E,F,G,M
560
H,I,J,K,L
R516
A,B,C,D,E,F,G,M
2000
WF50
H,I,J,K,L
2200
Q501
5W
Q551
2SC2482KT
2SD2586LBK
HORIZONTAL
A,B,C,D,E,F,G,M
DRIVE
2SD2578(RG)
H,I,J,K,L
R502
HORIZONTAL
820
DRIVE
1/4W
R511
2200
2W
C510
680P
A,B,C,D,E,F,G,M
A,B,C,D,E,F,G,M
1000P
H,I,J,K,L
VERTICAL
DEFLECTION YOKE
500V
OUT
H
3
4
11
12
13
H,I,J,K,L
L553
22
WF47
L552
2
V
TSC925V
VLPS0113
1
R427
A,B,C,D,
E,F,G,M
1.5
A,B,C,D,E,F,G,M
H,I,J,K,L
R405
5.6
1K
1/4W
1/2W
Q506
C413
0.1
EXCESSIVE
CURRENT
PROTECTOR
R413
18K
R529
R527
C522
10K
27K
Z
R471
R472
R480
390
470
R473
1/4W
1/4W
100
1/4W
Q433
2SB1322A(R)
R482
V-POSITION
15
CONTROL
1/4W
A,B,C,D,E,F,G,M
R478
R475
R481
Z
R474
Z
3300
2200 1800
2200
A,B,C,D,E,F,G,M
R479
1/4W
1/4W
1/4W
1500
H,I,J,K,L
G
F
NOTE:
HAVE
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
R556
B,C,F,G,H,I,J,K,L,M
82K
A,D,E
120K
A,B,C,D,E,F,G,M
KFT2AA278F
/ZTFM82001A
T551 KFT3AA268F
H,I,J,K,L
8
VR
AUDIO +B
11
7
GND
T501
6
ETH09K6AZ
A,B,C,D,E,F,G,M
ETH09K8AZ
H,I,J,K,L
HEATER
5
C556
WF51
A,B,C,D,E,F,G,M
0.33
VIDEO +B
0.43
H,I,J,K,L
3
H,I,J,K,L
H,I,J,K,L
COLLECTOR
10
R562
3.3 2W
+B
9
ABL
4
1
C524
820P
H,I,J,K,L
A,D,E
470P
390P
B,C,F,G,M
/2KV
C563
33/160V
TP502
TP501
R531
R586
R585
C531
39K
47K
3.3/50V
1/4W
1/4W
Q581
2SA1321TPE6
C554
OVER
6200P
A,B,C,D,E,F,G,M
CURRENT
8200P
H,I,J,K,L
C571
3.3/50V
DETECTOR
/1.2KV
R584
Z
5600
1/4W
Z
R582
R583
R526
R515
1.8
A,B,C,D,E,F,G,M
1.2
H,I,J,K,L
1/2W
R581
2.2
A,B,C,D,E,F,G,M
1.5
H,I,J,K,L
1/2W
Q507
EXCESSIVE
CURRENT
PROTECTOR
C520
H
I
COMPARISON CHART
OF MODELS & MARKS
MODEL
MARK
PVQ-130W / PVQ-1300W
E
PVQ-130WA / PVQ-1300WA
M
MODEL
MARK
Not Used
A
Not Used
B
Not Used
C
Not Used
D
Not Used
F
Not Used
G
Not Used
H
Not Used
I
Not Used
J
Not Used
K
Not Used
L
Not Used
Z
Z
R561
3.3 1W
A,B,C,D,E,F,G,M
TO CRT C.B.A.
1.2 2W
H,I,J,K,L
P356
P558
1
GND
TO CRT C.B.A.
P352
P552
1
200V
R565
2
1
1/2W
3
HEATER
R555
4
GND
150K
B,C,F,G,M
120K
A,D,E
(TO CRT SOCKET)
82K
H,I,J,K,L
ANODE
R554
A,B,C,D,
10K
E,F,G,M
R559
12K
12K
H,I,J,K,L
(TO CRT C.B.A. P357)
1/4W
SCREEN
D554
MA167
R552
27K
TP551
(TO CRT SOCKET)
1/4W
FOCUS
R553
TP552
1K
1/4W
C561
2.2/160V
TP556
ERB43-04V
D553
C560
C553
470P
500V
10/250V
D524
R546
680
1/4W
Z
95 SW +115V
93
OVER CURRENT
TO MAIN V
97
SW +12V
OVER CURRENT(H) TO MAIN I
104
SIGNAL WAVEFORMS
VJBS3082
A,B,C,D,E,F,G,M
VOLTAGE CHART
VJBS3080
H,I,J,K,L
J
K

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