Panasonic PV-D4742 Service Manual page 113

IC8200 NTSC ENCODER IC-DETAIL
BLOCK DIAGRAM
1 VCC
2
3
INTERPOLATOR
4
YUV MATRIX
5
6
BURST SYNC
MIX MIX
7
8
CGMS&WSS
9
INTER- INTER-
TELE TEXT INSERTION
INSERTION POLATOR POLATOR
GND
10
VCC CHROMA LUMA
11
FILTER FILTER
12
13 DAC
DAC
14
15
VIDEO
VOLTAGE
16 TIMING
REFERENCE
RGB MULTI-
GENERATOR
MATRIX PLEXER
17
DAC
18
19 GND DAC
20 VCC
GND
21
2
I C
CONTROL
22
NOTE:
PARTS ENCLOSED IN DASHED LINES MARKED "PT" ARE NOT USED.
IC8502 BUFFER IC-DETAIL
BLOCK DIAGRAM
14 13 12 11 10
VCC
44
GND
43
42
41
40
39
1 2 3 4 5
38
37
36
RTC
35
34
33
32
31
VCC 30
GND 29
VCC
28
27
26
25
24
23
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
NOTE: For placing a purchase order of the parts,
be sure to use the part number listed in the parts list.
Do not use the part number on this diagram.
9 8
GND
6 7
IC8200, 8502 DETAIL BLOCK DIAGRAM
PV-D4742