LG F1200 Service Manual page 64
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Also See for F1200:
- User manual (288 pages) ,
- Circuit diagrams (7 pages) ,
- User manual (201 pages)
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• IrDA Trouble
The power is supplied to U401?
YES
the soldering of U401 is OK?
YES
The signal TX_lrDA, RX_lrDA
are measured?
YES
The DBB is broken.
Change the board.
PC
START
Illumination
Cone
30 Cm
Figure 26.
- 63 -
4. TROUBLE SHOOTING
Set configuration like Fig 1.
Execute PCSy nc program
(ContentsBank.exe)
NO
Resolder the C421
NO
Resolder the U401.
NO
Change the U401.
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Troubleshooting
