Sanyo PLC-XF46N - Page 55

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IC4401
FPGA
ENHANCER
LAMP CONTROL
<EP1S25F672>
IC1811
EEPROM
IC871
FLASH ROM
<MBM29LV160>
IC892
SRAM
PW_
DHS/
DVS/
CLK
PW_
DRO/
DRE/
DGO/
DGE/
DBO/
DBE
CLKO/
HSO/
VSO
_GAM
RA/RB/
GA/GB/
BA/BB
_GAM
IC801
CPU
K25D
R-LCD
PANEL
G-LCD
PANEL
B-LCD
PANEL
K25E K25F
MAIN BOARD
IC1353
BUFFER
IC1354
BUFFER
SYSTEM BUS
IC1501
SAMPLE & HOLD
<CXA7005R>
IC501
SAMPLE & HOLD
<CXA7005R>
PSIG
TP501
TP503
TP531
TP533
GAM_RO/RE
RO
RE
GAM_GO/GE
GO
RGT,PRG,FRP,CLK
XRGT,PRG,
XFRP,CLK
RGT,PRG,FRP,CLK
PNL_DRV_CS/CLK/DATA
GE
GAM_BO/BE
BO
BE
IC1561
SAMPLE & HOLD
<CXA7005R>
IC561
SAMPLE & HOLD
<CXA7005R>
IC1531
SAMPLE & HOLD
<CXA7005R>
IC531
SAMPLE & HOLD
<CXA7005R>
TP561
TP563
SOUT
SOUT
SOUT
IC401
DIGITAL GAMMA
CORRECTION
<CXD3531R>
CHECK
PSIG SIGNAL
CHECK
LCD PANEL
DRIVE
SIGNAL
TP503
TP533
TP563
PSIG
Timing Chart
TP501
RED
S & H
OUTPUT
TP531
GREEN
S & H
OUTPUT
TP561
BLUE
S & H
OUTPUT
Check the MAIN Board.
Troubleshooting