Panasonic PV-DV102PN Service Manual page 128

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