Main Board - Sanyo PLV-WF20 Service Manual

Troubleshooting
Check the MAIN Board.
PW_
PG_ODD_OUT
DRE/
PG_EVEN_OUT
DGE/
IC6201
DBE
FPGA
<EP2C35F484>
PW_
PG_HSYNC_OUT
DHSYNC/
PG_VSYNC_OUT
DVSYNC/
DCLK/
DE
IC802
EEPROM
IC801
CPU(SH3)
<HD641772F>
R1/R2_OUT
R1
R2
IC401
DIGITAL GAMMA
CORRECTION 1
G1/G2_OUT
<CXD3540AGB>
G1
G2
IC1461
DIGITAL GAMMA
CORRECTION 2
<CXD3540AGB>
B1/B2_OUT
B1
B2
IC1861
IC1851
FLASH ROM
SDRAM
-13-

MAIN BOARD

TP501
IC501
SAMPLE & HOLD
<CXA7009R>
TP503
PSIG
IC1501
SAMPLE & HOLD
<CXA7009R>
TP531
IC531
SAMPLE & HOLD
<CXA7009R>
TP533
IC1531
SAMPLE & HOLD
<CXA7009R>
TP561
IC561
SAMPLE & HOLD
<CXA7009R>
TP563
IC1561
SAMPLE & HOLD
<CXA7009R>
CHECK
LCD PANEL
DRIVE
SIGNAL
Timing Chart
TP503
TP533
TP563
PSIG
TP501
RED
S & H
OUTPUT
TP531
GREEN
S & H
OUTPUT
TP561
BLUE
S & H
OUTPUT
CHECK
PSIG SIGNAL
R-LCD
PANEL
G-LCD
PANEL
B-LCD
PANEL