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Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair
Make
Model
Problem
Solution
Date
Found: 5
Philips
L9.1
25PT4475
sound int. goes off or no sound when warm
resolder Xtal 14MHz located next to pin 64 IC1822
14-09-04
Philips
L9.1
A
Set in protection mode. After entering SDM mode LED blinking (3x)
Check and replace if necessary IC 7401 (TDA9302H; 4822 209 13176) and add an additional capacitor of 220nF 100V (4822 121 42868). Solder the capacitor between pins 3 & 4 of position 7401 or between the ground of position 2403 and position 3491. See att
14-09-04
Philips
L9.1
E
Flickering of video signal during yellow picture content
Add a capacitor of 1nF (5322 126 10511) parallel to capacitor 2221 on the family board. IRIS CODE : 341X
14-09-04
Philips
L9.1
E
TXT hold function doesn't work.
Check and replace if necessary position 7600 on the mono-carrier by 9352 672 22112 (L90EF1-1.9). IRIS CODE : 177X
14-09-04
Philips
L9.1
E 25PT4475
No sound aft tuner replacement
Check option bytes in serv mode (enter by pressing 0,6,2,5,9,6,& menu) option SB incorrect
14-09-04
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