Sanyo PLC-ET30L, Service Manual

Page: 79 / 154

-79-
Troubleshooting
A[1-23] D[0-15]
IC801 FLASH
MEMOR
Y
PW
_D
R[
0-
9]
PW
_D
G
[0
-9
]
PW
_D
B[
0-
9]
381 380 285
204 73 333 379 219 334
351 259 440
16 24 28
113 112 251 185
35 34
215
125
215
IC301
<PW392>
SCAN
CO
NVERTER
IC501 LV
DS I/F
<L3E07200>
R1OUT R2OUT R3OUT R4OUT
R-
LC
D
PA
NE
L
M
A
IN
PW_DHS
PW_DCLK
PW_SD
AT
A
PW_SCLK
SCS_PW
FPGA_SD
AT
A
FPGA_SCLK FPGA_SCS
PANEL_IC_SD
ATA
PANEL_IC_SCLK PA
NEL_IC_SCS
PW_DVS
FPGA_DHS
FPGA_DCLK
FPGA_DVS
IC531 LV
DS I/F
<L3E07200>
K35R
K35G
K35B
G-L
CD
PA
NE
L
IC561 LV
DS I/F
<L3E07200>
B-
LC
D
PA
NE
L
IC401 DIGIT
AL
G
A
M
M
A
CO
RREC
TION
<L3E07120>
IC4401 FPG
A
<EP2C35F484>
G1OUT G2OUT G3OUT G4OUT
FPGA_D1R FPGA_D2R FPGA_D1G FPGA_D2G FPGA_D1B FPGA_D2B
B1OUT B2OUT B3OUT B4OUT
IC140
1
BUFFER
No Picture
(Check LCD drive stage)
Are H/V sync. & clock
signals observed?
Are H/V sync. & clock
signals observed?