IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED BY THE SIGN HAVE
SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY.
WHEN REPLACING ANY OF THESE COMPONENTS,
USE ONLY THE SPECIFIED PARTS.
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
C5517
15P
C5603
22K
R5302
0.015
C5605
560
R5401
2700
R5314
100
R5325
R5602
470
R5501
560
R5508
R5404
10/16V
C5507
0
R5317
39K
R5308
330
R5311
680P
C5502
10/16V
C5306
R5603
D5505
100
R5324
2700
R5316
47/16V
C5505
100
R5510
100
R5504
D5301
390K
R5402
470
R5503
0.01
C5506
4700
R5303
0.01
C5932
100
R5513
2200P
C5402
2200
R5511
100
R5933
0.22
C5401
R5301
2700
R5318
2.2/50V
C5403
150
R5512
0.018
C5501
R5407
100
1/50V
C5510
39K
R5304
47/16V
C5903
R5321
100
R5932
0.033
C5511
220P
C5508
0.47/50V
C5305
0.47/50V
C5303
100
L5901
MA165
D5304
0.01
C5904
R5323
0.1
C5602
47/16V
C5902
1/50V
C5604
R5319
330
R5313
22K
R5306
8200
R5405
0.01
C5601
47K
R5506
220K
R5305
100
R5406
4.7/25V
C5302
0
R5307
D5302
R5514
C5309
10/16V
C5308
180K
R5309
R5320
R5515
2700
100/6.3V
C5905
MA4062-L
D5501
(6.2V)
0
R5322
330
R5312
3240
R5505
2700
R5315
0.01
C5906
390K
R5502
D5303
3300
R5604
C5304
1K
R5902
Q5303
D5504
0.033
C5516
220
R5403
10/16V
C5307
R5931
100
R5326
330
10/16V
C5301
Q5601
(BUFFER)
R5601
L5301
L5302
L5303
R5903
3.3
R5328
0
J5602
J5301
J5302
J5303
J5501
X5601
VSXS0208-A
X5501
CSB503F38
J5601
P8001
J5610
TC90A45F-ELP
1
2
3
4
5
6
7
8
11
12
13
14
15
16
9
10
C5656
47/6.3V
C5677
0.1
0.01
C5658
R5673
R5666
560
R5660 820
R5659
2200
C5652
10P
L5658
100
R5657
33K
R5656
15K
R5658
R5667
L5657
100
0.1
C5675
R5668
1K
C5668 0.01
C5665
0.01
C5664
0.01
C5657
0.1
C5671 0.01
C5680
27P
L5653
100
C5678
22/16V
1/50V
C5654
R5669
C5670 0.01
C5672
0.01
27P
C5655
R5653
6800
R5671
R5651
820
C5673
56P
C5651
C5660
0.01
C5669 180P
R5670
1K
C5662
47/6.3V
R5661
390
R5663
470
0.01
C5653
C5666
22/6.3V
0.01
C5659
1K
R5665
C5661
0.1
R5655
2200
C5679
L5652
15
R5664
1K
C5674
39P
C5663
0.01
R5654
1500
R5662
390
R5672
R5652
560
J5611
FL5651
LSLF0053
1
2
3
L5654
4.7
L5656
100
C5676
22/16V
R5327
0
R5247
L5221
100
R5256
560
C5268
R5248
220
C5269
C5255
22/16V
R5272
560
R5258
820
J5307
R5245
560
C5253
22/16V
J5304
R5270
220
R5246
390
C5252
0.1
R5249
820
J5609
R5271
0
R5253
100
C5254
0.1
R5255
330
C5267
0.1
C5229
L5213
100
R5257
220
C5266
0.1
R5244
100
R5254
560
J5305
J5607
J5608
R5243
3300
R5252
3300
J5306
1
2
3
4
5
1
2
3
4
5
6
7
8
9
10
11
12
TP49
I2C SERIAL CLOCK
I2C SERIAL DATA
I2C SERIAL(L)
GND
P8001 IS USED FOR
ADJUSTMENT
AT FACTORY ONLY
SW+12V
I2C SERIAL CLOCK
I2C SERIAL DATA
I2C SERIAL(L)
SW+9V
GND
LINE VIDEO
TUNER VIDEO 1
UNSW+5V(VIDEO)
PB VIDEO
V POSITION
3.58MHZ
(TO TV/VCR MAIN C.B.A)
1
2
3
4
5
6
BLANKING PULSE
H-PULSE
AFC
H-PULSE
V-PULSE
HIGH VOLTAGE PROTECTOR
(TO TV/VCR MAIN C.B.A.)
1
4
5
6
7
8
9
10
11
12
2
3
(TO TV/VCR MAIN C.B.A.)
KILLER DET
GND
ABL
TV POWER ON(H)
V HEIGHT CONTROL
OSD RED
OSD GREEN
OSD BLUE
OSD BLANKING
SW+5V
H-PULSE
V-PULSE
GND
BLUE
GREEN
RED
GND
TV SIGNAL(L)
1
2
3
4
5
6
(TO TV/VCR MAIN C.B.A.)
1
2
3
4
TO CRT C.B.A.
P351
RED
GREEN
BLUE
OSD
CHARACTER
MIX/
BLANKING
COLOR
KILLER
DET.
APL
DET
R
G
BLANKING
14
44
11
16
33
18
LINE
2
23
PB
BLACK LEVEL
DETECTOR
1
13
4
20
7
46
30
24
9.6V
VCO
H.PULSE
PROCESS
VCC 6.1V
8
37
39
35
32
43
GND
25
38
42
MATRIX
45
19
B
AFC2
47
PEDESTAL
CLAMP
17
26
34
41
5
TUNER
MUTE
21
29
9
12
GND
6
VCC1
28
36
22
15
CHROMINANCE
SIGNAL PROCESS
I2C BUS
/DAC
31
LUMINANCE
SIGNAL PROCESS
V.PULSE
PROCESS
10
40
48
27
3
Z
LUMINANCE/
CHROMINANCE
PROCESS
+9V
REGULATOR
SWITCHING
TV POWER
ON-ON
(BUFFER)
REC VIDEO SIGNAL
PB VIDEO SIGNAL
Z
Z
Z
Z
Z
Z
Z
Z
SW+12V
Z
(NO CONNECTION)
GND
VDD
Z
Z
Z
Z
Z
Z
Z
H
10
3
9
G
4
D
E
F
N
5
8
6
7
K
I
A
L
C
M
P
B
1
2
J
O
Z
Z
1.8K
Z
Z
Z
Z
Z
WATTAGE OF RESISTORS IS 1/10W.
UNLESS OTHERWISE SPECIFIED;
PNP TRANSISTORS IS 2SA1037K146R,
NPN TRANSISTORS IS 2SC2412K1,
(BUFFER)
(BUFFER)
(BUFFER)
Y/C
SEPARATION
Z
VDD
GND
Z
Y/C
SEPARATION
(BUFFER)
(BUFFER)
(BUFFER)
(BUFFER)
(BUFFER)
(BUFFER)
(BUFFER)
(BUFFER)
(BUFFER)
(BUFFER)
TUNER VIDEO 1
UNSW+5V(VIDEO)
PB VIDEO
I2C SERIAL CLOCK
I2C SERIAL DATA
LINE VIDEO
TUNER VIDEO 9
H-PULSE
SW+5V
13 V-PULSE
TO TV PROCESS II
Z
Z
2SD1858(R)
1/2W
1/4W
1/4W
Z
1/4W
VLPSO111
VLPSO111
VLPSO111
Z
Z
CHROMINANCE
LUMINANCE
LUMINANCE
CHROMINANCE
TO TV PROCESS II
1 GND
TO TV/VCR MAIN
C.B.A. P7003
J5308
NOTE:
PARTS ENCLOSED IN DASHED LINES MARKED "Z" ARE NOT USED.
Summary of Contents for Omnivision VHS PV-C2780
Page 8: ...Fig 1 3 Fig 1 4 8...
Page 26: ...Fig D5 6 1 2 1 Notes in chart 26...
Page 29: ...6 2 2 Inner Parts Location Fig J1 1 29...
Page 30: ...6 2 3 EJECT Position Confirmation Fig J1 2 30...
Page 31: ...6 2 4 Grounding Plate Unit Full Erase Head and Cylinder Unit Fig J2 1 31...
Page 44: ...6 3 CASSETTE UP ASS Y SECTION 6 3 1 Top Plate Wiper Arm Unit and Holder Unit Fig K1 1 44...
Page 81: ...81...
Page 85: ...11 2 MECHANISM BOTTOM SECTION 85...
Page 86: ...11 3 CASSETTE UP COMPARTMENT SECTION 86...
Page 87: ...11 4 CHASSIS FRAME SECTION 1 87...
Page 88: ...11 5 CHASSIS FRAME SECTION 2 88...
Page 89: ...11 6 PACKING PARTS AND ACCESSORIES SECTION 89...