Service manual

CM153 - 923-03443R1 19 ZLD20A1 - DIAGRAMS
ZLD20A1 DIAGRAMS
TUNER
TUNER
..
. .
DC
(12V)
PC
DVD/DT V
(480I/480P)
H/P S -
VIDEO
DC
(12V)
ANT (RF )
Y PB PR L R V L R
V L R
SCART JACK
R/G/B/FB L /Rin TV/L/R out
Y/U/V in
VIDEO RAM
2M
EEP
ROM
EEP
ROM
SCALER(Format Converter)
MX88L-284FC-V
14.318MHz
AD Converter
THS8083
Multi-Component
Processor(BBVSP)
CXA 2101AQ
YCrCb : 2 / 4
RGB : 4 / 2
OUT RGB :1, TUV : 1
Audio Processor
MSP-34XX
RF : 2, SCART : 4
MONO : 1
I2S : 2
------18.432MHz---
L-SPK/WOOFER
H/P, I2S
SCART OUT : 2
IC302
SCAN Converter
SDA-9410
27.0MHz
IC301
H- FILTER
(DRP Processor)
LGTV-1001
IC201
Color Decoder/
A/D Converter
VPC-3230D
. COMB/FIL : 4H
INPUT . 4 CVBS . 1 S-VHS
. 2 RGB /YCrCb
. 1 F/B
. 1 CVBS OUTPUT
. Y/Cr/Cb OUTPUT
IC1
MICOM / TXT
6.0MHz
Caption
Processor
POWER
DC to DC Converter
(SI786,SI4808DY,T801)
30V
5V
SCL
SDA
CVBS
SIF
IF AGC
5V
3.3V
33V
X2
Y/U/V
(480P)
Y/U/V
(480P)
0.5-0.7
Y/U/V
4:2:2
4:2:2
Y/U/V
Analog
R/G/B/H/V
Dual Audio AMP
LA4282
SCL/SDA
L-SPK
R-SPK
R/G/B
OSD
H/V
(2H)
VIDE O H/V
CLK
5V 3.3V
3.3V
9V
3.3V
3.3V 5V(FOR RESET IC 3,3V)
3.3V 3.3V
8.0V
15V
5V
15V
H-sync
H-Sync.
SEP
3.3V
5.0V
SCART(R/G/B/FB)
YUV IN(VIN4 : H-CHECK)480I
A/V2(VIN2 : CVBS)
S-VHS(VIN1 : Y/C))
M/O(CVBS)
RF(VIN3 : CVBS)
SCL1/SDA1
R/G/B
24
RESET 4.2V
SCL/SDA
SCL/SDA
SCL/SDA
SCL/SDA
SCL/SDA
SCL/SDA
.
20.25MHz
DC to AC
INVEERTER
BRI-AD J TO MICOM
POWER-ON/OF F TO MICOM
15V
15V
CAPTION
R/G/B
480I/P
ÆÇ´Ü
R / G / B
8 /8 /8bit
L
C
2
0
1
V
1
-
A
3
LCD PANNEL
BLOCK DIAGRAM