Philips Repair Tips
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Results: 14231
Results: 14231
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PHILIPS |
L7.1A
|
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 | ||
| PHILIPS |
L7.1A
|
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 | ||
| PHILIPS |
L7.1A
|
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 | ||
| PHILIPS |
L7.1A
|
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. | ||
| PHILIPS |
L7.1A
|
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 | ||
| PHILIPS |
L7.1A
|
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 | ||
| PHILIPS |
L6.3AA 25PT4495/05
|
Tripping - s/c in lop | C2912 2n2 | ||
| PHILIPS |
L6.3AA 25PT4495/05
|
Int lock up of controls - only cured by sw off & on again | Reg tr7505 bc337/40 | ||
| PHILIPS |
L6.3AA
|
Field collapse | 1Ω resistor 3928 tucked away on the bottom of the upright pcb next to the loptx. | ||
| PHILIPS |
L6.33AA
|
No r/c operation aft 5 mins, crackling then int off | 7505 bc337-40 | ||
| PHILIPS |
L6.33AA
|
Dead or tripping | 7505 bc337-40 & cct prot 1502 | ||
| PHILIPS |
L6.3 25PT4494/05
|
St/by only | Replace o/c 630ma fuse link (1502) (4822 252 51185) and bc337-40 transistor (7505). | ||
| PHILIPS |
L6.3 25PT4494/05
|
St/by only | Replace o/c 630ma fuse (1502) (4822 252 51185) | ||
| PHILIPS |
L6.3 21PT4494
|
Dead | Chopper tr s/c, loptr s/c. use power kit 4822 310 10663 and replace loptr but11ax | ||
| PHILIPS |
L6.3
|
The set does not work anymore after switching it into the standby mode | Replace the line output transistor 7906. also replace the line output driver transistor 7421 by type bc368-25 (use only a philips version) the service code of bc368-25 is 933869720112. remarks : the cause is that the line output transistor 7906 | ||
| PHILIPS |
L6.3
|
No sound - noise only from speakers | Mps3410 chip faulty - replaced audio pcb | ||
| PHILIPS |
L6.3
|
Loses sight after 10 mins and no osd | 7505 bc337-40 | ||
| PHILIPS |
L6.3
|
Dead - loptr 7906 bu1508ax faulty | Check l5420 in its base for o/c - if it is, new loptr will fail | ||
| PHILIPS |
L6.3
|
Dead - led not lit | 5v supply missing - check t7505 bc337-40 & t7500 bc858 sm (underneath t7505) | ||
| PHILIPS |
L6.3
|
Codenumber information | Codenumber information ---------------------- code number for l6.3 mainsswitch is :4822 212 11965 |