Daewoo DTH-14Q1FS, Service Manual

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26
F.IC BLOCK DIAGRAM
1.LA7688: VIF/SIF/VIDEO/CHROMA/DEFLECTION 1-CHIP IC
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SIF IN
RF AGC VR
APC1 FILTER
AUDIO FILTER
VCO
VCO
AFT OUT
COMP. VIDEO OUT
INT VIDEO IN
CONTRAST
EXT. AUDIO IN
SHARPNESS
EXT. VIDEO IN
GND
VIDEO OUT
COLOR
TINT
BRIGHTNESS
VERT. OUT
50/60
AFC
HOR. X-TAL
HOR. VCC
HOR. OUTPUT
FBP IN/BGP OUT
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FM-DET OUT
AUDIO OUT
RF AGC OUT
IF GND
VIF INPUT
VIF INPUT
IF AGC
VIF VCC
SIF VCC
APC FILTER
X-TAL
X-TAL
VCC
DEMO OUTUT(R-Y)
DEMO OUTUT(R-Y)
ALC INPUT(R-Y)
ALC INPUT(B-Y)
R-OUT
G-OUT
B-OUT
BLACK STRETCH
OSD R
OSD G
OSD B
OSD Ys IN
X-TAL SW
FILTER-REF/
S-VHS SW