Samsung LE26A41B - Page 54

5 Troubleshooting
5-6 LE26A41B/LE32A41B
5-4 No Picture (Tuner_CVBS)
Dose the signal
appear at #1 of IC202?
Check a B+ voltage (#9, #7 of Tuner)
: 33V, 5V change a main PCB ass'y
(BN94-00549A).
Yes
Does the signal appear at
#72 (Y), #71 (C) of IC201?
Check a IC202.
Change a main PCB ass'y
(BN94-00549A).
Yes
Does the digital data
appear at output of
RA201, 202 (Y),
RA203, 204 (C)?
Check a IC201.
Change a main PCB ass'y
(BN94-00549A).
Yes
Does the digital data
appear at output of
RA408, 409 (Y),
RA416, 417(C)?
Check a IC405 and IC406.
Change a main PCB ass'y
(BN94-00549A).
Yes
Does the digital data
appear at output of
RA605~RA606, RA608, RA611,
RA613, RA615?
Check a IC601, IC602.
Change a main PCB ass'y
(BN94-00549A).
Yes
Does the digital data appear at
output of RA512, RA514, RA516,
RA518, RA520, RA521?
Check a IC501.
Change a main PCB ass'y
(BN94-00549A).
Yes
Does the digital data appear at
output of FT516~FT520 ?
Check a IC515.
Change a main PCB ass'y
(BN94-00549A).
Yes
Power Indicator is off.
Lamp on, no picure.
No
Connect the RF cable and
check RF signal. (AA39-00039A)
No
No
No
No
No
No
No
Yes
Check a LVDS cable?
Replacea lcd panel?
(BN07-00121A)
Please, Call to Samsung Co. LTD.
No
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