2
PV-DF204/PV-DF2004/PV-DF2004-K/PV-DF274/PV-DF2704/PV-DF2704-K
20
16
TUNER
LINE1
LINE2
REC
PB
REC
25
13
Y/C MIX
ART V/H MIX
REC/PB CHROMINANCE
SIGNAL PROCESS
X3001
(3.58MHz)
REC/PB LUMINANCE
SIGNAL PROCESS
PB
REC PB
10
12
82
81
7
8
I C
CONTROL
2
Y/C
MIX
PB
REC-Y
REC-C
PB-Y
46
45
41
AT ENVELOPE
DETECT
40
49
27
29
REC
PB
REC
34
REC
PB
PB-C
IC3001
(VIDEO PROCESS)
CCD 1H
DELAY
IC3201
4
5
CCD 1H
DELAY
TP3001
(FROM IC6001(13))
V-LOCK PULSE
TP3002
Q3002
(TO IC6001(9))
ENVELOPE VOLTAGE
(FROM IC6001(15))
ROTARY SW
P3001
1
P3501
1
Hi-Fi AUDIO/VIDEO HEAD AMP C.B.A.
VIDEO
LP/SLP
L HEAD
VIDEO
LP/SLP
R HEAD
VIDEO SP
L HEAD
VIDEO SP
R HEAD
IC3501
(HEAD AMP)
L
R
L
R
SP
LP/
SLP
SP
LP/SLP
REC
PB
(FROM IC6001(16))
HEAD AMP SW
(FROM IC6001(18))
HEAD SW PULSE
(FROM IC6001(25))
PB(L)
TP3501
30
18
16
4
6
13
11
1
32
31
P3503
5
P3503
2
P3503
6
P3503
4
P3503
1
P3503
3
IC3201
1
8
(FROM IC6001(71))
I C SERIAL CLOCK
VV CHROMINANCE
VIDEO
TUNER VIDEO
LUMINANCE
CHROMINANCE
FSC(3.58MHz)
2
(TO/FROM IC6001(72))
I C SERIAL DATA
2
3.58MHz
REC VIDEO SIGNAL
PB VIDEO SIGNAL
UHF/VHF TUNER/TV
DEMODULATOR UNIT
MAIN C.B.A.
POWER SUPPLY C.B.A.
OPERATION C.B.A.
RF
VIDEO
17
Q3001
Q7031
OSC
TO VIDEO
SELECTOR
BLOCK
DIAGRAM
To Hi-Fi AUDIO
SIGNAL PATH
BLOCK DIAGRAM
BUFFER
18
P7002
1
P4003
1
P9501
13
P4004
13
P4701
12
P4005
12
VIDEO IN 1
Q3004
ATTENATOR
(-6dB)
ATTENATOR
(-6dB)
Q3003
BUFFER
BUFFER
3
VIDEO IN 2
LINE1
LINE
TUNER
LINE2
IC5352
(SW)
1
3
7
2
4
5
Y/C
SEPA.
IC5651
Q5651
BUFFER
Q5655
BUFFER
Q5653
BUFFER
Q5656
BUFFER
Q5658
BUFFER
Q5657
AMP
Q5662
AMP
15
13
10
4
J5904
(Y/C SEPARATION)
(FROM IC6001(23))
LINE1(L)/LINE2(H)
(FROM IC6001(69))
TUNER(H)/LINE(L)
J5903
Y
C
(WITH REAR A/V JACK)
(WITH REAR
A/V JACK)
NOT USED
5 ms
V1
0.2 Vp-p
0.1 V
5 ms
V1
0.4 Vp-p
0.1 V
5 ms
V1
0.4 Vp-p
0.2 V
V1
0.5 Vp-p
0.2 V
20 µs
V1
0.6 Vp-p
0.2 V
20 µs
V1
4.3 Vp-p
2 V
5 ms
V1
1 Vp-p
0.5 V
20 µs
A
0.1 V
20 µs
V1 0.27 Vp-p
A
B
0.1 V
20 µs
V1 0.27 Vp-p
B
C
5 ms
V1
0.4 Vp-p
0.1 V
C
V1
1 Vp-p
0.5 V
20 µs
V1
3.1 Vp-p
1 V
5 ms
VIDEO SIGNAL PATH BLOCK DIAGRAM
VIDEO SIGNAL PATH BLOCK DIAGRAM
Summary of Contents for Omnivision VHS PV-DF2004
Page 11: ...Fig 1 5 11 ...
Page 12: ...Fig 1 6 12 ...
Page 25: ...Fig D2 25 ...
Page 26: ...Fig D3 26 ...
Page 27: ...Fig D4 27 ...
Page 28: ...6 1 1 1 Notes in chart 1 Removal of VCR DVD Ass y Fig D5 28 ...
Page 48: ...7 4 TEST POINTS AND CONTROL LOCATION 48 ...
Page 51: ...11 2 DVD SECTION 51 ...
Page 52: ...11 3 CHASSIS FRAME SECTION 1 Model A B C D E F 52 ...
Page 53: ...11 4 CHASSIS FRAME SECTION 2 53 ...
Page 54: ...11 5 CHASSIS FRAME SECTION 3 54 ...
Page 55: ...11 6 PACKING PARTS AND ACCESORIES SECTION 55 ...