Hitachi 26LD4550U Service Manual page 69
26" lcd tv
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Also See for 26LD4550U:
- User manual (80 pages) ,
- Service manual (130 pages) ,
- User manual (78 pages)
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26"LCD TV
Hitachi 26LD4550U
6. Key Board
OSD is unstable or not working
N
Is Key Pad Board connecting normally?
Connect Key Pad Board
Y
N
Is Button Switch normally?
Replace Button Switch
Y
N
Replace Key Pad Board
Is Key Pad Board Normally?
Y
Check Main Board
68
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