Philips Repair Tips
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Results: 14206
Results: 14206
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PHILIPS |
54PP700A
|
Without tune. | Check connection cable a402 pin 1 (+130v). * 16Oct97 anc*. | ||
| PHILIPS |
54PP700A
|
Frame sparkling with expanding "bloom". | Verificar integrado ic402 (cold side). * 13out98 alan *. | ||
| PHILIPS |
53UP72G
|
Vertical closing intermittent. | Check welding of ic552 and ic550. * 29Aug96 anc *. | ||
| PHILIPS |
53UP72G
|
Voltages below the specified (vo, +b,..) | +15 e 15, verificar ic110 (n5532). * 25set97 anc *. | ||
| PHILIPS |
53UP72G
|
Voltage oscillating (pulsating). | Power supply (+5v stb), possible short on the +5 line, see d305 and d306 with escape. * 16Aug96 anc *. check integrated ic401 (6126642). * 25Sep97 anc *. | ||
| PHILIPS |
53UP72G
|
Green fabric | R698 aberto. *17set98 h.desk* | ||
| PHILIPS |
53UP72G
|
Dark "black" screen (see also bril4). | Check capacitor c618 (.01) with leakage, pin 58 ic600. * 15Aug96 anc *. driven by the vertical, see r585 (20k). * 09Oct96 anc *. resistor r301 (0.27Û) open. * 05nov96 anc *. check integrated IC600 (TA8845AN). *27Aug97 anc*. case fi | ||
| PHILIPS |
53UP72G
|
Blue fabric | Resistor r301 (0.27Û) open, occurs when switching on and then screen goes dark. * 05nov96 anc *. blue screen with dos and sound, check ic304 (ssp board). *17Sep98 h.desk* | ||
| PHILIPS |
53UP72G
|
Sound has a whistling or buzzing sound. | Check coil l804. *05nov96 anc*. | ||
| PHILIPS |
53UP72G
|
So fica em stand by (power off). | Check crystal y301 (12mhz), does not fluctuate with level satisfactory, measure µp pin 3 (2.4v) if this is not available reference the µp will not activate "power on". *27Aug97 anc*. | ||
| PHILIPS |
53UP72G
|
No voltage (vo, +b, hvt, etc.). | +130, check if when connecting pin 52 of the micro ic300 it goes to 5 to 0v, if it doesn't change, check the computer. * 16Aug96 anc *. no voltage see f402, open case possible short in q802. * 16Aug96 anc *. +130, check integrated IC401 (6126642). * | ||
| PHILIPS |
53UP72G
|
No horizontal oscillator pulse. | Measure pin 8 of IC900, if it is above 4.5v, there is possibility of being triggered by "h&v deflection failsafe" (q501); check that there is no broken track (+170vp) close to t900. * 04Sep97 anc *. | ||
| PHILIPS |
53UP72G
|
Light spots with dark background. starfield | Possibility of IC600 (TA8845AN). *27Aug97 anc*. | ||
| PHILIPS |
53UP72G
|
It doesn't work (it stays off). | The power supply only starts if there is a change of 5v from "off" to 0v to "on" at pin 52 of IC300, if it has a fixed 1.2v see the micro. * 16Aug96 anc *. capacitor c616 (.33uf) shorted to +12v on the small board. * 05nov96 anc *. check crystal y301 | ||
| PHILIPS |
53UP72G
|
"cross" [+] does not appear in service conv mode. | Check j307 open. * 25Sep97 anc *. | ||
| PHILIPS |
53UP72G
|
Does not adjust with. red (-) "hot. red". | Check resistor r380 (0.33Û) changed. * 16Sep97 anc *. | ||
| PHILIPS |
53UP72G
|
Horizontal lines (bottom or top). | With a gray screen, check for a possible defect on the panel Transcorder (PAL/NTSC). * 15Aug96 BC *. presents risk and no dos, see ic600 (ta8845an). * 27Aug97 anc*. | ||
| PHILIPS |
53UP72G
|
Dos/menu - running vertically. | Check integrated ic300 on "small" panel. * 03mar97 anc. | ||
| PHILIPS |
53UP72G
|
Turns off immediately after turning on. | Check open fuse f409, do not use resistor to test operation, as the defect would remain, but with time larger to turn off. * 16Aug96 anc *. check open coil l417. * 29Aug96 anc *. capacitor c616 (.33uf) shorted (at + | ||
| PHILIPS |
53UP72G
|
Turn off inter. or protect (rew 3 for vcr). | See l417 with bad internal contact. * 29Aug96 anc *. |