Philips Repair Tips
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Results: 14233
Results: 14233
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PHILIPS |
GR1AX
|
Lines on pic after an hour or so on some scenes br | C2523 ( 6.8mfd ) | ||
| PHILIPS |
GR1AX
|
Linearity coil panel. | Linearity coil panel. --------------------- only for 20" with production code pm or zb: for the 20" gr1ax chassis a linearity coil panel has been used on position 5800: service code 4822 212 23641. remarks : only applicable for sets with produc | ||
| PHILIPS |
GR1AX
|
Line transistor 7528 blows within 1 sec. | Check if ic7020 (tda8305) gives output. if not, replace ic7020 (4822 209 60853) remarks : codenumbers of line transistor: but11af 4822 130 42679 but12af 4822 130 43919 | ||
| PHILIPS |
GR1AX
|
Intermittently dead | The cause of this nasty fault turned out to be a small coil , l5524 , which filters the supply to the line driver stage. it was | ||
| PHILIPS |
GR1AX
|
Intermittent power supply - crowbar tripping | R 3629 33k o/c which is in parallel to 3627 33k so either res could give you the same fault | ||
| PHILIPS |
GR1AX
|
Intermittent dead. | Transistor 7521 base loose.(dry joint). | ||
| PHILIPS |
GR1AX
|
Intermittent colour also an occasional dark vertic | Crack in print leading from pin 10 of lopt | ||
| PHILIPS |
GR1AX
|
Int trip at sw on ht correct at 100v | Check d6638/6639/6640 zener diodes. | ||
| PHILIPS |
GR1AX
|
Int shut down | Dry joint at scan coil plug | ||
| PHILIPS |
GR1AX
|
Int destruction of line tr | Replace t7521 & t7523 ( bc337 ) | ||
| PHILIPS |
GR1AX
|
Int dead with ht still present | C2523 6µ8 line driver supply decoupler | ||
| PHILIPS |
GR1AX
|
Int crowbar trip | R 3629 33k o/c which is in parallel to 3627 33k so either res could give you the same fault | ||
| PHILIPS |
GR1AX
|
Int buzz | Cf1036 6mhz filter | ||
| PHILIPS |
GR1AX
|
Initial volume-level is higher than the maximum hotel-mode setting. | * deactivate the hotel-mode. (the procedure is family depending). * switch-on the menu-volume control (via the rc for a 3 local- control set) and adjust the level till a normal low volume-level. * press the "store" buttom. now the personal preference le | ||
| PHILIPS |
GR1AX
|
Hotel mode switching in & out | Sw off or on - chan 38 "store" & "chan +" together | ||
| PHILIPS |
GR1AX
|
Hotel mode for gr1ax with 8 local controls with uc | Hotel mode for gr1ax with 8 local controls with uc tmp47c434n-3414 ------------------------------------------------------------------ replaced by uc tmp47c434n-r221; 4822 209 32192 hotel mode for uc tmp47c434n-3414: yes hotel mode activation | ||
| PHILIPS |
GR1AX
|
Hotel mode (de)activation for gr1ax with 3 local c | Hotel mode (de)activation for gr1ax with 3 local controls --------------------------------------------------------- only for sets with 3 local controls in service information hotel mode for gr1ax / anubis a&b / tv/vcr-1 4822 727 20384 a mistake is made f | ||
| PHILIPS |
GR1AX
|
Hotel fashion | Hotel mode ---------- control microprocessors are available for these chassis with or without the "hotel" mode feature. original production included "hotel" mode but the feature was deleted to reduce the number of "nuisance" service calls generated by mi | ||
| PHILIPS |
GR1AX
|
Half a pic - line wrap around | Line sect of scastle pulse at r3529 missing to ic7020 tda8305 - crack in print at corner of pcb | ||
| PHILIPS |
GR1AX
|
H.t. varies sound goes up to max | C2631 ( 22nf ) |