Timing Chart; Main Board - Sanyo PLV-HD2000N Service Manual

Check the MAIN Board (LCD Driving Stage)
RA/RB/
GA/GB/
BA/BB
_GAM
CLKO/
HSO/VSO
_GAM
DATA/ADDRESS BUS

MAIN BOARD

IC501
GAM_RO/RE
SAMPLE & HOLD
RO <AD8387>
IC525
RE
SAMPLE & HOLD
SHCLKR, <AD8387>
XFRR,STSQ
CLX,CLY,DX,DY,NRG,ENB
IC1501
GAM_GO/GE
SAMPLE & HOLD
GO <AD8387>
IC1525
GE
SAMPLE & HOLD
SHCLKG, <AD8387>
XFRG,STSQ
CLX,CLY,DX,DY,NRG,ENB
IC2501
GAM_BO/BE
SAMPLE & HOLD
BO <AD8387
IC2525
BE
SAMPLE & HOLD
SHCLKB, <AD8387>
XFRB,STSQ
CLX,CLY,DX,DY,NRG/ENB
IC1401
DAC
<M62398>
IC801
CPU
IIC_SCL/SDA
-57-
TP_RVID1
IC551
LCCOM
VCOM BUFFER
<ADSY8401>
MON
IC3501
LEVEL SHIFT
<L3E01060>
CLX,CLY,DX,DY,
NRG,ENB
TP_GVID1
IC551
LCCOM
VCOM BUFFER
<ADSY8401>
MON
IC3551
LEVEL SHIFT
<L3E01060>
CLX,CLY,DX,DY,
NRG,ENB
TP_BVID1
IC551
LCCOM
VCOM BUFFER
<ADSY8401>
MON
IC4501
LEVEL SHIFT
<L3E01060>
CLX,CLY,DX,DY,
NRG,ENB

Timing Chart

RED
S & H
OUTPUT
TPRVID1
GREEN
S & H
OUTPUT
TPGVID1
BLUE
S & H
OUTPUT
TPBVID1
Troubleshooting
R-LCD
PANEL
G-LCD
PANEL
B-LCD
PANEL