LG GoldStar FMH-49A Service Manual page 34

INTERNAL BLOCK DIAGRAM OF ICs KA9256 KIA4558P
BA6209 CXA1081S
HCF4052B
CS
©
20
ny!
ome
KS9211
Y CHANNELS f
IN/OUT OU
af] 2
15| J2 y CHANNELS
ss
IN/OUT
COMMON "Y
at]
x °
OUTI/IN
&
s j
'
COMMON "x"
2
i :
Y CHANNELS {
Sts
:
.
¢
IN/OUT
if] s
12| Jo y CHANNELS
IN/OUT
Subcode Subcode
Sync Detector
Demodulator
Register
23-bit
eo ee
(i
Frame
sync detector/
protector/inserter
VCO crrcutt :
timing generator
INPUT SHIFT REGISTER
ADORESS DECOOER
OUTPUT DECODER
COMPARATOR,
X'TAL circuit
timing generator