R3505
56
C3511
0.1
C3528
0.1
C3505
47/16V
C3513
0.1
C3508
0.1
R3506
560
C3532
0.1
C3512
0.1
C3523
0.1
C3524
0.1
C3533
0.01
R3507
560
C3529
0.01
C3519
0.1
R3502
L3501
100
R3501
47K
C3506
0.1
R3503
56
R3504
56
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
AN3361SB
C3504
0.01
C3520
0.1
C3507
1000P
C3503
0.01
C3501
C3502
C3541
C3517
C3518
L3505
L3504
L3503
L3502
C3516
C3509
1K
R4410
C4404
0.1
C4412
4700P
C4406
R4411
1K
0
R4408
1000P
C4401
0.01
C4409
R4413
R4412
18
R4406
R4403
1000P
C4402
100
L4401
1K
R4405
0.1
C4413
C4407
560
R4407
10/16V
C4408
R4402
R4401
C4410
47/6.3V
C4414
AN3328S
1
2
3
4
5
6
7
8
11
12
13
14
15
16
9
10
0.01
C4405
R4404
0
C4411
R4409
C4403
LP/SLP
C
SP
1
LOGIC
H
LP/SLP
PB
ON
D
PB
ON
AMP
L
2
R
I
SP
A
ENVE
DET
E
3
GND GND
B
GND
REC VIDEO SIGNAL
F
PB VIDEO SIGNAL
4
AMP
G
AMP
5
56
AMP
REC
-ON
L
(HEAD AMP)
REC
-ON
UNLESS OTHERWISE SPECIFIED;
WATTAGE OF RESISTORS IS 1/10W.
R
REC
-ON
AMP
REC
-ON
AMP
AMP
PB +5V
CTL
PB
REC
Z
6
5
8
PB (L)
HEAD SW 2
ENV-DET
TO TV/VCR MAIN
C.B.A. P3001
DELAY REC +12V
REC/PB VIDEO
10
7
1
HEAD AMP SW
9
CUE/REV/SS(L)
SW +12V
GND
11
12
6
7
8
P3502 (TO CYLINDER UNIT):PATTERN ONLY
UNSW +14V
GND
HE+
VH+
HE-
MAIN COIL 1
1
MAIN COIL 2
2
MAIN COIL 3
3
5
4
9
VIDEO SP L/R HEAD
VIDEO LP/SLP R HEAD
VIDEO LP/SLP L HEAD
Hi-Fi AUDIO L HEAD
VIDEO LP/SLP L/R HEAD
1
7
6
5
4
3
5
1
2
7
8
6
4
9
3
Hi-Fi AUDIO L/R HEAD
VIDEO SP L HEAD
Hi-Fi AUDIO R HEAD
2
VIDEO SP R HEAD
Hi-Fi AUDIO
R HEAD
VIDEO SP
L HEAD
VIDEO SP
R HEAD
VIDEO LP/SLP
L HEAD
PIN
UPPER CYLINDER UNIT
VIDEO LP/SLP
R HEAD
Hi-Fi AUDIO
L HEAD
P3503:PATTERN ONLY
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
4
2
8
3
6
7
1
5
11
12
9
10
3
4
3
2
1
6
5
P4091
GND
AUDIO ERASE HEAD
AUDIO ERASE HEAD
AUDIO ERASE HEAD
AUDIO ERASE HEAD
AUDIO HEAD
AUDIO HEAD
CTL HEAD GND
CTL HEAD
4
MAIN COIL 3
MAIN COIL 2
MAIN COIL 1
HE-
UNSW +14V
GND
HE+
VH+
CTL HEAD GND
AUDIO HEAD
CTL HEAD
AUDIO HEAD
TO MAIN
C.B.A.P6202
8
P4092
6
5
4
3
2
AUDIO ERASE HEAD
AUDIO CONTROL HEAD P.C.B.
1
CONTROL HEAD
AUDIO HEAD
VJBS0A84
18
16
19
17
15
20
13
14
GND
UNSW +5V(VIDEO)
6
Z
Z
Z
Z
Z
Z
Z
GND
GND
Hi-Fi AUDIO
HEAD AMP
PB-ON
L
R
REC
AGC
REC
AMP
PRE
AMP
PRE
AMP
AGC
DET
REC
-ON
REC
-ON
Hi-Fi REC AUDIO
Hi-Fi D-REC(H)
Hi-Fi PB AUDIO
Hi-Fi HEAD SW
Z
REC AUDIO SIGNAL
PB AUDIO SIGNAL
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
NOTE:
PARTS ENCLOSED IN DASHED LINES MARKED "Z" ARE NOT USED.
Summary of Contents for OmniVision PV-C2780-K
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 ...