GR1AX Repair Tips




Search: GR1AX
Results 182
MakeModel Ch.SymptomProblem SolutionSolutionBy:
Philips 14GR1221 GR1AX
Procedure to enter or exit hotel mode child lockPut the set on programme 38, press either store and pr - to lock and store and vol - to unlock, or, press pr - and vol + to lock and unlock, press buttons on the set not remote
Philips GR1AX
Sometimes does not start up from cold, but starts well from power off or standby after a few minutesAfter checking all PSU components and consulting many colleagues, casually the tip of my iron touched the body of T2628 BF423 and the set started. After more then 20 attempts, I realised that this transistor became intermittent when cold
Philips GR1AX GR1AX
Will not start up from coldCheck if 95v line increases to over 100v when TR7628 BF423 is chilled. If so, replace D6629 BZX79-C12 and re-check 95v/re-adjust R3625. May also be worthwhile replacing TR7628 and C2629 as a precaution!!
Philips GR1AX
No tuningCheck R3703 for o/c and R3702. Also in CTT-H AA , then R3602
Philips GR1AX
TV will not start, seems deadFirst measure the 100 volt rail, if it is missing, then desolder the field output transformer, then recheck the 100 volt again, if it is now present, replace the transformer : the type = 37622 replacement = fat 30057 Konig. After that everything was ok!
Pye37KV1242/05B GR1AX
Buzzes , HT correct ( 95v ) .L5524 OC.
PhilipsGR20 GR1AX
Lines at top of screenCoil 5524 reading 7R5
PhilipsGR1AX chassis
Arcing sounds on startup.Change Capacitor 2523 6,8uF
PhilipsGR1AX chassis
Arcing sounds on startup.Change Capacitor 2523 6,8uF
PhilipsGR1AX 14GR1227/05B
Dead - HT at 1.5v at power supply whistlingReplace SF2D41 protection thyristor (6641)
PhilipsGR1AX 14GR1221
Deadresistor 3300 4R7 o/c.cap 2301 4,7uF 350V s/c on multi voltage pcb
PhilipsGR1AX
Wont stop in search tune C2031 22nF faulty - may read ok
PhilipsGR1AX
Will not start up from coldTurn 95V preset down if set starts fault is in overvolts circuit try D6638
PhilipsGR1AX
Width excess & EW faultyTr7533 2SA1359 on crt base s/c & driver Tr7530 BC848 had failed
PhilipsGR1AX
White Lines on bright scenes when heatedC2523 6ยต8 line driver supply decoupler
PhilipsGR1AX
Whistling noise (from LOT).1) Glue the plastic lugs of the LOT L5530 with silicon or equivalent lute (non-reactive) at the copper track side of the PWB to damp off vibrations which causes the wistling. 2) Apply a non Hitachi LOT L5530; 4822 140 10369. REMARKS : The
PhilipsGR1AX
WEAK SOUNDCHECK DISC CERAMIC CAPS AROUND SOUND IF CHIP ESP C2033 ( 22nf )
PhilipsGR1AX
Vertical vibration in cold condition of the setChange R 3052 into 1,8 kOhm (4822 116 52249) and change C2053 into 150 nF (4822 121 41854)
PhilipsGR1AX
Update Chassis manual; different types of micro-prUpdate Chassis manual; different types of micro-processors. ----------------------------------------------------------- In Chassis manual GR1-AX version 2: (GB) 4822 727 18084, (NL) 4822 727 18083, (D) 4822 727 18085 (F) 4822 727 18086, (E) 4822 727 18
PhilipsGR1AX
Two lines going around.Check/replace C2606 (68 uF; 4822 124 41599).