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Troubleshooting
No picture
Check the main board.
5BNC_R
5BNC_G
5BNC_B
SLOT_R
SLOT_G
SLOT_B
DSUB_R
DSUB_G
DSUB_B
S_Y
S_C
SCART_CV
LVDS SLOT
LVDS AV
DSUB_H
DSUB_V
5BNC_H
5BNC_V
SLOT_H
SLOT_V
LX1750 Service Manual
020-000643-01 Rev.1 (01-2014)
IC201,IC211,IC221
BNC_RGB
IC1251
CVBS/SCART_AD
IC231,IC241,IC251
SLOT_RGB
IC261,IC271,IC281
DSUB_RGB
IC1201,IC1211
S_Y/S_C
DSUB_SYNC
RGB_SYNC
Q1221
DSUB_SYNC
RGB_SYNC
IC1231
DSUB_HS_AD
DSUB_VS_AD
IC1271
5BNC_HS
5BNC_VS
SLOT_HS
SLOT_VS
AD_RO[0-9]
IC2201
AD_GO[0-9]
A/D
AD_BO[0-9]
CONVERTER
<ADV7842>
AD_HS
AD_VS
IC2251
SDRAM
IC5201
FF_RO[0-9]
LVDS
FF_GO[0-9]
RECEIVER
FF_BO[0-9]
DIGITAL SW
<XC3S200A>
FF_HS
FF_VS
IC381
EEPROM
IC1391
SDRAM
RGB_HS_AD
RGB_VS_AD
AD_SYNC_SW
-153-
Check the signals (RGB signals, H/V
sync signals, Component signals and
vide signals) at connector "K22A".
IC1301, IC1331
RAM DDR2 X 2
SCX_AD[0-16]
SCX_DQ[0-15]
SCX_RO[0-9]
SCX_GO[0-9]
SCX_BO[0-9]
IC301
SCALER
<IP00C811>
SCX_HS
SCX_VS
IC1371
FLASH ROM
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