Philips Repair Tips
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Results: 14206
Results: 14206
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PHILIPS |
GR1-AL
|
Vertical with little amplitude | Leaky capacitors c419/c426/c406/c407.**. | ||
| PHILIPS |
GR1-AL
|
Voltages above specified | Open resistor r340. ** | ||
| PHILIPS |
GR1-AL
|
Voltages below the specified (vo, +b,..) | (+16 low with 70 normal), follow this procedure: 1st) measure collector of ts502 less than 50v see: resistor r326 (1k8), resistor r321 (100Û), capacitor c326, check s320 coil welding. 2nd) high ts502 collector voltage, see: resistor r501 (27k | ||
| PHILIPS |
GR1-AL
|
Tension decreases. | +16v and +70v supply, leak in diode d365 (5v6). *08nov95 anc*. | ||
| PHILIPS |
GR1-AL
|
Green fabric | IC997/IC900. **. s925 d365/d945 ts360 kt923 c921 ic401, it does not generate an adequate pulse for the computer and it freezes causing the defect. * 29jan96 anc *. leaky ts943 (bc548) transistor. * 02dec96 ac *. | ||
| PHILIPS |
GR1-AL
|
Screen darkens from left to right. | Transistor ts245 com fuga. * jul 95 jpba *. | ||
| PHILIPS |
GR1-AL
|
Purple screen (no green) | Resistor 3721. | ||
| PHILIPS |
GR1-AL
|
Screen half dark or noisy. | Integrated IC130 (not vertical sense). | ||
| PHILIPS |
GR1-AL
|
Dark "black" screen (see also bril4). | Changed resistor r556 (was 7k). * 20Dec95 ctr *. | ||
| PHILIPS |
GR1-AL
|
Gray screen (no video) | Leaky capacitor c172. * Jan 95 BC *. integrated IC040, when AV device. * Jan 95 BC *. capacitor c225 (33pf) leaking. * 26Feb96 anc *. capacitor c189 (100pf) leaking. *anc*. | ||
| PHILIPS |
GR1-AL
|
Cyan screen (no red) = red1 | See leaky capacitor 2910. **. | ||
| PHILIPS |
GR1-AL
|
Blue fabric | Resistor r710 .**. | ||
| PHILIPS |
GR1-AL
|
Distorted or noisy sound. | Monitor devices came out with an extra transistor ts625, to remove. *inf*. | ||
| PHILIPS |
GR1-AL
|
Sound decreases by pressing vol+ [(display ok)]. | Check adjustment of the 4.5mhz coil. * 18mar97 man *. | ||
| PHILIPS |
GR1-AL
|
Noisy or crunching sound | See altered capacitor c135 (47uf). *08out96 anc*. | ||
| PHILIPS |
GR1-AL
|
Crackling sound (click, tok). | Ver capacitor c135.**. | ||
| PHILIPS |
GR1-AL
|
Low or no sound in av. | Diodo d012. * out 95 ctr *. | ||
| PHILIPS |
GR1-AL
|
So fica em stand by (power off). | Kt923 crystal. integrated ic997/ic900. | ||
| PHILIPS |
GR1-AL
|
Tuner with little gain | Unidad Varikap (210 47017). *13dz95love*. | ||
| PHILIPS |
GR1-AL
|
Varying tune. | Diodes d124/d121.** leakage no diode d365 (5v6). * 08nov95 anc *. |