Panasonic Quasar Omnivision PV-V4021-K, Service Manual

Page: 140 / 146

23
VIDEO
UHF/VHF TUNER/TV
DEMODULATOR UNIT
MAIN C.B.A.
CYLINDER UNIT
RF
VIDEO
5
100
98
96
TUNER
REC
REC-Y
REC-C
PB-C
SP
REC PB
LP/
SLP
PB-Y
PB
LINE 1
LINE 2
5 93
Y/C MIX
ART V/H MIX
AGC
REC/PB CHROMINANCE
SIGNAL PROCESS
REC/PB LUMINANCE
SIGNAL PROCESS
CHROMA NOISE
REDUCTION
90 92 78 77 81 83 87 88
I
2
C
CONTROL
AT ENVELOPE
DETECT
20 28 7 9 26 24
IC3001
(VIDEO SIGNAL PROCESS/HEAD AMP)
(WITH 2 HEAD)
(WITH 4 HEAD)
J6003
VIDEO
OUT
(WITH ADVANCE)
(WITH CNR)
Q3875
(TO IC3801(33))
VIDEO
CCD 1H DELAY
TP3001
X3001
(3.58MHz)
IC6001
(FROM IC6001(24))
V-LOCK PULSE
Q3001
Q3203
(TO IC6001(78))
ENVELOPE VOLTAGE
(FROM IC6001(98))
ROTARY SW
(FROM IC6001(23))
HEAD SW PULSE
VIDEO
LP/SLP
R HEAD
VIDEO
LP/SLP
L HEAD
VIDEO SP
L HEAD
VIDEO SP
R HEAD
47 49
IC3101
CCD 1H DELAY
IC3101
1 8
19 5
IC3202 (CNR)
(FROM IC6001(18))
I
2
C SERIAL CLOCK
(TO/FROM IC6001(17))
I
2
C SERIAL DATA
(FROM IC6001(23))
HEAD SW PULSE
(FROM IC6001(99))
HEAD AMP SW
BUFFER
BUFFER BUFFER
BUFFER
Q3002,
Q3003
VIDEO
IN 1
REC VIDEO SIGNAL PB VIDEO SIGNAL
VIDEO
IN 2
OSD
CHARACTER
MIX
OSC
10
5 4
Y/C
MIX
21 31 50 49 14
SP
L
R
L
R
LP/
SLP
38
39
40
42
45
37
43
44
P3501
6
P3501
4
P3501
5
P3501
3
P3501
1
P3501
2
PIN
6
PIN
4
PIN
5
PIN
3
PIN
1
PIN
2
NOT USED
NOT USED