Keys Do Not Work - Philips HTS3531/12 Service Manual
Home theater dvd player
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Also See for HTS3531/12:
- Quick start manual (8 pages) ,
- Manual (27 pages) ,
- Service manual (50 pages)
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keys do not work
keys do not work
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Check voltage +3.3V on Front Control Board
HTS3531:(XP2 PIN9) and voltage +5V on
U135 PIN14
Yes
Check Front Control Board signals (U135
PIN10,PIN11,PIN12)
Yes
Replace Front Control Board
5-2
No
HTS3531: Fix the connection XP2 on
Front Control Board
MAIN BOARD
No
Replace U135 on Front Control
Board
Trouble shooting Chart
and
XP12 on
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