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5 Troubleshooting
5-3 No Video (Digital PC Signal)
Power indicator is green,
Lamp on, No video.
Yes
Check the PC signal and check
connection of FPC DVI cable?
Yes
Does the clock pulse appear at
13
#5~12 (Data, Clk +/-) of CN100?
Yes
Does the clock pulse appear at
14
output at Rap18~RAP21,
Rap28, 29 of ICP18, ICP19?
Yes
Does the signal appear at
output of [#1_R(IC001),
15
#1_G(ICP19), #15_B(IC001)]?
Yes
Does the signal appear at CR01,
16
CG01, CB01 of R, G, B output?
Yes
Does the clock appear at
17
output of RA311~RA313?
Yes
Check a LVDS cable.
Replace a assy LCD panel.
(BN91-00388L)
LW22A13W
All manuals and user guides at all-guides.com
No
Input a digital signal and
No
Change FPC cable. (CN100)
Change a input board assy. (BN59-00339A)
No
Change main board assy. (BN94-00400A)
No
IC001 or ICP18 or ICP19 are bad.
Change main board assy. (BN94-00400A)
No
Change main board assy. (BN94-00400A)
No
IC300 or IC901 are bad.
Change main board assy. (BN94-00400A)
No
Please, call to Samsung Co, LTD.
CONFIDENTIAL
connected cable.
ICP01 is bad.
IC200 is bad.
5-5
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