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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: 7
Philips
L7.1
A
Bad focus or focus varies in a new set or after CRT replacement
Possible solution: Short circuit the focus and the G2 pins of the picture tube with the aquadag coating. Switch the set on for approximately 5 seconds. After this return the set to its original condition. Check if the focus adjusted normally. If not repla
14-09-04
Philips
L7.1
A
Codenumber correction
Codenumber correction service manual this codenumber for postion 7600 is not correct; listed below you will find the correct codenumbers. TXT SAA5290ZP/068 :4822 209 15699 TXT A/P NTSC P083CO55BBP/177 : 4822 209 15563 A/P LATAM P083CO55BBP/179 : 4822
14-09-04
Philips
L7.1
A
Codenumber information
Codenumber information LOT in use for 14" and 20" have service codenumber 4822 140 10612 LOT in use for 21" have service codenumber 4822 140 10638. REMARKS: Will be applied in L7.1a AA chassis.
14-09-04
Philips
L7.1
A
Correction Service Manual
Correction Service Manual: For L7.1A AA. In the service manual of the L7.1A AA some errors occured on page 8: Change text above table from Europe version to PAL-Multi AP. In the option table, the options Child-lock and Magnavox have been removed which imp
14-09-04
Philips
L7.1
A
Modification
Modification: For L7.1A AA 20" Typenumbers 20PT1XXA/75R, 73R, 50B, 59S, 70B .The CRT panel used on the mentioned sets has been changed to 4822 212 11499 from production week 9723 onwards. For sets with production before 9723, the old CRT-panel 4822 212 11
14-09-04
Philips
L7.1
A
Strange behaviour of the MENU pictures and the sound volume level
Replace network resistor item 3601 (see Diagram A4) REMARKS: The reason for the above mentioned symptom is that in some network resitors some leakage current can occur. IRIS CODE 235X
14-09-04
Philips
L7.1
A AA
Dead
2R2 5w res o/c, 330pf 2kv near fet split & replace fet with BUZ90 & mica washer
14-09-04
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