Panasonic PV-D4742 - Page 144

23 VIDEO
UHF/VHF TUNER/TV
DEMODULATOR UNIT
MAIN C.B.A.
OPERATION 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 778183 87 88
I
2
C
CONTROL
(TO IC3801(33))
VIDEO
(WITH ADVANCE)
AT ENVELOPE
DETECT
202879 2624
IC3001
(VIDEO SIGNAL PROCESS/HEAD AMP)
CCD 1H DELAY
X3010
(3.58MHz)
IC6001
Q3875
(FROM IC6001(24))
V-LOCK PULSE
(FROM IC6001(58))
DVD SELECT(H)
FROM DVD
BLOCK DIAGRAM
DVD VIDEO
DVD S-Y/Y
DVD S-C/PR
DVD PB
Q3009
Q3402
(TO IC6001(85)) ENVELOPE VOLTAGE
(FROM IC6001(98)) ROTARY SW
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
IC3201 (CNR)
IC3002 (SW)
(FROM IC6001(18)) I
2
C SERIAL CLOCK
VIDEO OUT
S-VIDEO OUT
(TO/FROM IC6001(17)) I
2
C SERIAL DATA
(FROM IC6001(23)) HEAD SW PULSE
TP3001
DVD
VCR
(FROM IC6001(99)) HEAD AMP SW
BUFFER
BUFFER
Q3007,Q3008
AMP
Q3002,
Q3003
VIDEO
IN 1
REC VIDEO SIGNAL PB VIDEO SIGNAL
VIDEO
IN 2
OSD
CHARACTER
MIX
J3001
10
5 4
Y/C
MIX
21 31 50 4914
SP
R
L
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
P6301
6
P6301
6
1
2
15
Q3001
BUFFER
P3001
9
P3001
7
P3001
13
P3001
11
10
Q3610
Q3011
BUFFER
Q3611
BUFFER
Q3612
BUFFER
Q3607
R3658
R3661
R3660
BUFFER
Q3608
BUFFER
Q3609
BUFFER
Q3613
BUFFER
Q3614
BUFFER
Q3601, Q3604
AMP
Q3006
BUFFER
Q3004,
Q3005
AMP
Q3602, Q3605
Q3603, Q3606
AMP
NOT USED
NOT USED
NOT USED
NOT USED
AMP
OSC
Q3151,Q3152
(WITH SQPB)
(WITH CNR)
VHS
TP3101TP3103
S-VHS
29
SQPB
EQUALIZER
NOT USED
TP3002
J3012
NOT USED
J3013
SELECT
SW +12V
SW3001
S-OUT
J3609 Q3615
Q3616
Q3617
COMPONENT
Y
C
Y
PB/CB
PR/CR
BUFFER
NOT USED
NOT USED
NOT USED
AMP
(FROM IC6001(31))
VIDEO MUTE(H)
NOT USED
A
C
B
A
D
E
F
C
D
E
F
B
0.5 V
20 µs
1.0 Vp-p
V1
0.5 V
20 µs
V1
1.0 Vp-p
0.1 V
5 ms
V1
0.24 Vp-p
1 V
20 µs
V1
2.20 Vp-p
0.1 V
20 µs
V1
0.21Vp-p
0.1 V
20 µs
V1
0.25Vp-p
0.2 V
20 µs
V1
0.52 Vp-p
0.2 V
20 µs
V1
0.69 Vp-p
0.1 V
5 ms
V1
0.21 Vp-p
0.5 V
5 ms
V1
1.54 Vp-p
0.5 V
5 ms
V1
1.35 Vp-p
0.5 V
20 µs
V1
1 Vp-p
0.1 V
20 µs
V1
0.3 Vp-p
0.5 V
20 µs
V1
1 Vp-p
VIDEO SIGNAL PATH BLOCK DIAGRAM
VIDEO SIGNAL PATH BLOCK DIAGRAM
PV-D4742