NEC PF-68T31 Service Manual page 9

N301 TDA8843
Symbol PIN
SIF IN
EXT AUDIO IN
PLL LOOP FILT
VIDEO OUT
SCL
SDA
BANDGAP
S Video C IN
S Video Y IN
VDD
INT CVBS IN
GND
AUDIO OUT
EXT CVBS IN
BLACK
CURRENT
B-OUT
G-OUT
R-OUT
BEAM
R-IN
G-IN
B-IN
F BLANK
Y-IN
Y OUT
N802 TDA2009A
Symbol
NON INV IN(1)
INV IN(1)
SVRR
INV IN(2)
NON INV IN(2)
GND
2
Function: I C bus controled PAL/NTSC one chip processor
Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Function : audio output
PIN Function
description
1 LEFT IN(NON INV)
2 LEFT IN(INV)
3 SVRR
4 RIGHT IN(INV)
5 RIGHT IN(NON INV)
6 GND
.
Symbol
B-Y OUT
R-Y OUT
B-Y IN
R-Y IN
CHROMA
X'tal 3.58
X'tal 4.43
COLOR PLL
+B SUPPLY
CVBS SW OUT
DIGIDEC
H OUT
FBT PULSE
PH-2
PH-1
GND
E/W OUT
Y OUT-
Y OUT+
IF IN
IF IN
EHT
VSAW
V-REF
IF AGC
TUNER AGC
DE EMPH
SOUND
Symbol PIN
N.C.+
OUT(2)
+Vs-
OUT(1)
N.C.
9
PIN Function
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
Function
description
7 N.C.
8 RIGHT OUT
9 POWER SUPPLY-
10 LEFT OUT
11 N.C.