Christie LX1750C Service Manual page 156

Troubleshooting
No Picture
Check the mother board
SLOT1
SLOT2
LX1750 Service Manual
020-000643-01 Rev.1 (01-2014)
RA
RB
GA
IC9001
GB
LVDS SW
<XC3S200A >
BA
BB
THS_AV TCLK1_AV
TVS_AV TCLK2_AV
TA2_AV TA1_AV
TB2_AV TB1_AV
TC2_AV TC1_AV
TD2_AV TD1_AV
A_HS1
A_VS1
IC9091
A_HS2 SYNC SW
<TC74VHC244>
A_VS2
A_R1
A_G1
IC9071
A_B1
RGB SW
A_R2
<AD8183>
A_G2
A_B2
-155-
Check the signals (RGB signals, H/V
sync signals, Component signals and
vide signals) at connector "K90E".
THS_SLOT TCLK1_SLOT
TVS_SLOT TCLK2_SLOT
TA2_SLOT TA1_SLOT
TB2_SLOT TB1_SLOT
TC2_SLOT TC1_SLOT
TD2_SLOT TD1_SLOT
SLOT_H
SLOT_V
SLOT_C
SLOT_R
SLOT_G
SLOT_B
DSUB_R
DSUB_G
DSUB_B
DSUB_H
DSUB_V
5BNC_R
5BNC_G
5BNC_B
5BNC_H
5BNC_V
S_Y
S_C
SCART_CV