Panasonic PV-DAC10, Service Manual

Page: 131 / 195

5
6-5
ANALOG VIDEO I/F BLOCK DIAGRAM
IC3003 (OUTPUT DRIVE)
IC3502 (Y/C SEPARATION)
IC3505 (SW)
JACK C.B.A. MAIN C.B.A.
ANALOG C.B.A.
VIDEO
JK3701
REC VIDEO SIGNAL PB VIDEO SIGNAL
S-JACK C.B.A.
S-
VIDEO
JK3751
SW3751
A/V SELECT
OUT IN
FP3751
2
FP6
19
FP3701
2
FP6
14
B2
7
B3501
7
B2
9
B3501
9
B2
11
B3501
11
B2
12
B3501
12
FP3751
3
FP6
18
FP3751
5
FP6
16
FP3751
4
FP6
17
9
12
14
+
CHARACTER
MIX
BLANKING
BLANKING
CLAMP CLAMP GCA LPF ATT
GCA BPF ATT
5 6
13
7
Y/C
SEPARATION
X3500
L
L
H
H
HD
LUMA
4
Q3502
BUFFER
Q3503,3504
AMP
Q3505
BUFFER
Q3501 BUFFER
IC3501 (FSC GENERATOR)
FSC
GENERATOR
16 7
10
4
3.579545MHz
OSC
15
13
IC3503 (V/H SYNC SEPARATION)
IC3600 (SW)
Q3601
IC3601 (ANALOG VIDEO I/F)
V/H SYNC
SEPARATION
14
7
8
Q3506,3509
BUFFER Q3512
BUFFER
Q3600
Q3510,3511
BUFFER
14
11
1
5
3
12 2
16
B3501
16
B3501
14
B2
14
B3501
24
B2
24
B3501
20
B2
20
B3501
22
B2
22
B2
16
AGC
ACC
LPF LPF
LPF BPF
CLAMP CLAMP 35
46
30 29 23
8
AGC
DET
PULSE
GENE.
SYNC
SEPA.
20
7
6
1
5
MUTE
-ON MUTE
-ON MUTE
-ON
(FROM IC6001 (117))
LINE MUTE (L)
(TO IC3001 (180))
VD
(TO IC3001 (181))
HD
(TO IC3001 (182))
V/H SYNC
(TO IC3001 (194))
LUMA
(FROM IC3001 (3))
LUMA
(FROM IC3001 (8))
CHROMA
(FROM IC3001 (84))
OSD BLANKING
(FROM IC3001 (83))
OSD CHARACTER
(TO IC3001 (201))
CHROMA
(TO IC3001 (81))
LUMA/HD SW
(FROM IC6007 (3))
WIDE CONTROL
(FROM IC6007 (19))
OUTPUT LUMA GAIN CONTROL
(FROM IC6007 (2))
OUTPUT CHROMA GAIN CONTROL
(FROM IC6007 (4) INPUT LUMA GAIN CONTROL
FROM SYSTEM CONTROL
BLOCK DAGRAM
FROM
SYSTEM CONTROL
BLOCK DAGRAM
TO/FROM VIDEO
SIGNAL PROCESS I
BLOCK DAGRAM
(FROM IC6007 (5) INPUT CHROMA GAIN CONTROL
(FROM IC6007 (6) CHROMA DELAY CONTROL
(FROM IC3001 (179) PEDESTAL CONTROL
Y
C
Y
C
VIDEO
(TO IC6001 (119))
A/V IN/OUT
SELECT SW
+3V
1
19
COMP
Q3012
Q3008
(WITH A/V SELECT)
(WITH A/V SELECT)
(WITH A/V SELECT)
NOT USED
Q3007 Q3009
18 2
+
ACC
DET
DC
CTL
33
45
4
24
B2
34
B3501
34
Y
C
BUFFER
1