Panasonic PV-DV102PN, Service Manual

Page: 128 / 337

4
ANALOG VIDEO I/F BLOCK DIAGRAM
IC3002 (VIDEO SIGNAL PROCESS)
REAR C.B.A. MAIN C.B.A.
VIDEO
JK7001
REC VIDEO SIGNAL PB VIDEO SIGNAL
S-
VIDEO
JK7001
Y
C
B1201
23
B1
23
B1201
17
B1
17
B1201
24
B1
24
B1201
16
B1
16
46
50
53
+
BLANKING
CLAMP BUFFER
BUFFER
GCA LPF ATT
GCA BPF ATT
55
28
Q3501
BUFFER
VIDEO
S-VIDEO
Q3502
IC3502
BUFFER
Q3503
BUFFER
LPF
LPF
IC3504
IC3501 (SIGNAL INTERFACE)
AGC
FILTER CLAMP
Y
Y
C VIDEO
S-VIDEO
C
TBC
63
61
10
66
10 BIT A/D
CONVERTER
10 BIT A/D
CONVERTER
SERIAL
I/F
Y/C
SEPA.
MUTE
-ON MUTE
-ON MUTE
-ON
(FROM IC3001 (43))
A/V IN (H)
Y DATA (0-7)
27MHz CLOCK
LUMA
CHROMA
13.5MHz CLOCK
(FROM IC6001 (233))
WIDE CONTROL
(FROM IC6001(221))
Y GAIN CONTROL
(FROM IC6001 (222))
C GAIN CONTROL
TO/FROM
SYSTEM CONTROL
BLOCK DAGRAM
FROM
SYSTEM CONTROL
BLOCK DAGRAM
TO/FROM VIDEO
SIGNAL PROCESS I
BLOCK DAGRAM
Y
C
VIDEO
+5V
35 39 38
31
COMP
Q3001
Q3002
Q3005
(WITH A/V SELECT)
(WITH S-JACK)
NOT USED
(WITH S-JACK)
Q3004 Q3003
36 37
SYNC
SEPA.
35
65
81
67
IC3503 (SW)
3
7 1 7
1
2
DEC
ACC
111
.
.
112
.
115
.
116
.
118
121
~
99
.
101
103
.
105
.
107
109
~~
C DATA (0-7)
59
146
RESET (L)
RESET (L)
(TO IC6001 (249))
WIDE DET
(TO IC6001 (89))
S-DETECT (L)
(FROM IC6001 (231))
INPUT SELECT
(FROM IC6001 (122))
SIF CS
(TO/FROM IC6001 (117,118))
SIF SERIAL DATA
(FROM IC6001 (116))
SIF SERIAL CLOCK
(FROM IC6001 (71))
RESET (L)
(TO IC6001 (76))
SYNC DET
93
12
14
(WITH A/V SELECT)
NOT USED
ANALOG VIDEO I/F BLOCK DIAGRAM
PV-DV102/PV-DV202/PV-DV402