Daewoo DTQ-14N2FC Service Manual page 20

DESCRIPTION OF SEMICONDUCTORS
LA7674 (VIF/SIF/VIDEO/CHROMA/DEFLECTION)
1. Case Outline : SDIP 52P
2. Pin Connections/Block Diagram
RF AGC
IF/VIDEO/CHROMA/DEF
1
FM
DET
2
IF
AGC
EX A 3
IN
FM 4
DET
5
NFB
FM-
6
A
OUT
DET
GND 7
IF 8
IN
VIF
AMP
9
IF
IN
RF-
10
AGC
VCC 11
IF-
AGC
APC 12
VXO 13
VCO
14
VCC
TINT
15
R
IN
G 16
OSD
IN
B 17
IN
18
R-Y
19
G-Y
B-Y 20
-Y 21
FBT-
FBP 22
IN
DET
23
H
OUT
24
H
OD
H 25
OSC
H 26
AFC AFC
1
IC501 LA7674
LOCK APC
DET DET
VIDEO
VCO
DET
VIDEO
AMP
FM- LIM
ATT
DET AMP
AFT
APC
ACC
KILL-
ER
2NA IST
BPA BPA
BLACK
EXPAND
SHARP
SOFT
AFC CLAMP
D.L
2 BRIGHT
VER
SYNC/
HOR
VER
SYNC-
SEP
C/D
C/D
SEP
HOR
COIN
20
52
IF
APC
51
VCD
50 VCO
49 RF AGC
48
SIF
IN
47
AFT
OUT
46 AFT
45 AFT
44
V
DET
43
AV S.W
42 IN V
IN
41 TINT
40 EX. VIN
39
CONT
38
VIDEO
37 GND
36 COLOR
35
BDET
34
Y
IN
33 SHARP
32 CLAMP
31 BRIGHT
30
V
CCH
29
S.
SEP
28 V. OUT
27 H.DET