Philips Repair Tips
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Results: 14233
Results: 14233
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PHILIPS |
G90AE
|
Int dead | Dry joints r3671 sm res - feeds from tr7671 to thy 6670 gate | ||
| PHILIPS |
G90AE
|
If +95v is 1) 30v, 2) 50v, 3) 80v | 1) diode 6546 (byd33m; 4822 130 42489) 2) diode 6653 (bas32; 4822 130 80446) 3) diode 6613 (bas32; 4822 130 80446) | ||
| PHILIPS |
G90AE
|
Humming, ticking | Replace thyristor 6670. (sfor5d43, 4822 130 20245). | ||
| PHILIPS |
G90AE
|
For 5 minutes zigzag edges in the picture | C2630 (47uf/160v; 4822 124 41056). | ||
| PHILIPS |
G90AE
|
Foldover with fb lines - only present in 4:3 | Voltage at cathode of diode 6570 95v should be 163v. o/c r3570 | ||
| PHILIPS |
G90AE
|
Foldover & flyback lines at top of pic | Ok in widescreen - voltage at cathode of diode 6570 95v should be 163v. o/c r3570 | ||
| PHILIPS |
G90AE
|
Flash-overs on the crt board. | Replace c2397 by a new type code 4822 121 41926. remarks : the code number published in the report "complaints of the steco segment" dated 1992-02-14 was not correct. production has been adapted from week 9149 onwards. | ||
| PHILIPS |
G90AE
|
Field reduced height with top foldover | R3508 24k hi res | ||
| PHILIPS |
G90AE
|
Field collapse | Wickman fuse in supply to fop chip o/c but r3503 & 3507 22r overheat when fuse replaced - r3501 390r leaky | ||
| PHILIPS |
G90AE
|
Fault codes f4 or f7 with no sigs & led orange | Eeprom or txt chip faulty - use of heat & freezer usually determines faulty comp. if reset with eeprom chip hot does not work then chip is faulty | ||
| PHILIPS |
G90AE
|
F7 displayed, no snd, pic ok. (all ok when warm) | C2843 (220uf 25v; 4822 124 41545). | ||
| PHILIPS |
G90AE
|
Error code f7 after loptx replacement | F7 code denotes fault in txt - c2843 220µ 16v & replace c2640 & c2660 680µ | ||
| PHILIPS |
G90AE
|
Does not tune optimally | Re-adjust s5034 and s5035. see service manual chassis g90ae (4822 727 16447) page 4 points 10 and 11. | ||
| PHILIPS |
G90AE
|
Does not function well | Wrong characters on screen. replace ic 7720 by repairkit 4822 310 31848 this repairkit consists of ic7720 (tmp47c434n-3555) and a metal shielding. | ||
| PHILIPS |
G90AE
|
Does not function | Voltage +95 v not present mount sops repair kit (sbc 7023; codenumber 4822 310 20496) | ||
| PHILIPS |
G90AE
|
Displaying error code f7 extremely intermittently. | Error code denotes fault in text circuit. if possible when fault condition present, check +5 volts to text chips. if 5 volts is missing, check/replace smd link - 3901 in text circuit. | ||
| PHILIPS |
G90AE
|
Display - shows f4 or f7. | Replace ic 7720. | ||
| PHILIPS |
G90AE
|
Dead - s/c on lop stage | Loptx faulty though tested ok on tester | ||
| PHILIPS |
G90AE
|
Dead - psu o/ps low | Tr7654 bc847c leaky | ||
| PHILIPS |
G90AE
|
Dead - no o/p from psu | Thy 6670 sfor5d43 s/c |