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Repair tips

Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair

MakeModelProblemSolutionDate
Found: 199
OsakiP140 GR1AXSound but no picNo A1 volts - LOPTx14-09-04
PhilipsGR1 AXBLANK SCREEN , NO SOUNDC2044 4mfd SC.14-09-04

PhilipsGR1 AXDeadCHECK L5524 - 9v SUPPLY TO LINE OSC FROM PIN 26 STARTED FROM PULSE ON PIN 11 OF i.c. 702014-09-04
PhilipsGR1 AXDEAD , NO LINE OSC.Check C2519 ( 150pF ) pin 26 TDA8305 Check D6030 12v ZENER & D652314-09-04
PhilipsGR1 AXDIM PICTURE LINES ON COLOURD6326 12v ZENER14-09-04
PhilipsGR1 AXEXCESSIVE HEIGHT , LIN FAULTY , FIELD BLANKINGC2043 82pf14-09-04
PhilipsGR1 AXfails to stop at station when tuningL5045 o/c14-09-04
PhilipsGR1 AXField collapse usually with blank screenIC7500 ( TDA3653 )14-09-04
PhilipsGR1 AXH.T. highR3562 ( 33K )14-09-04
PhilipsGR1 AXH.T. varies sound goes up to MaxC2631 ( 22nF )14-09-04
PhilipsGR1 AXInt BuzzCF1036 6Mhz filter14-09-04
PhilipsGR1 AXInt destruction of line TRReplace T7521 & T7523 ( BC337 )14-09-04
PhilipsGR1 AXINTERMITTENT COLOUR ALSO AN OCCASIONAL DARK VERTICCRACK IN PRINT LEADING FROM PIN 10 OF LOPT14-09-04
PhilipsGR1 AXLINES ON PIC AFTER AN HOUR OR SO ON SOME SCENES brC2523 ( 6.8mfd )14-09-04
PhilipsGR1 AXLOW SOUNDD6715 5v1 ZENER NEAR IC770014-09-04
PhilipsGR1 AXNO VIS , BLANK UNMODULATED RASTERC2045 ( 22nF ) CERAMIC CAP LEAKY14-09-04
PhilipsGR1 AXpoor line syncC2501 ( 10uF )14-09-04
PhilipsGR1 AXSound slow coming on aft channel changeT7046 ( BC558 ) o/c14-09-04
PhilipsGR1-AXdead - st/by light flashinght=70v - loptx faulty14-09-04
PhilipsGR1-AXno sound or pic - low hum from spkrNo line drive due to C2058 22µ o/c connected to pin 11 IC702014-09-04
PhilipsGR1-AXNo tuningR3703 oc14-09-04
PhilipsGR1-AXpic shifts to left, line tearing both intC2523 6µ8 50v int o/c line driver supply smoother14-09-04

PhilipsGR1-AXPoor tuning lock - no high channels.Tr7705 ( PH2369 )14-09-04
PhilipsGR1AX6613 type change6613 type change ---------------- A production change has been introduced in receivers with serial number starting SV9306 and higher. Diode 6613 BZX79-C15 is changed to BZV85-C15 code no. 4822 130 33732. 14-09-04
PhilipsGR1AXAfter replacing uP and memory, setting does not stay.The appliance is in hotel mode. Go to program channel 38 and press buttons store and control+. 14-09-04
PhilipsGR1AXAs replacement for all IR Receivers item 1785 in tAs replacement for all IR Receivers item 1785 in the GR1AX chassis is delivered type TFMS5360 (execution with connecting pins of 18 mm). Service code 4822 212 30842. The pin configuration of the TFMS5360 can however differ from the original IR Receiver. F14-09-04
PhilipsGR1AXAvoiding damaging sound IC due to EHT dischargeAvoiding damaging sound IC due to EHT discharge ----------------------------------------------- To prevent failures of the sound IC TDA7052 during servicing, do not discharge the EHT voltage via the heatsink. It should be discharged through the aquadag. I14-09-04
PhilipsGR1AXBlank or green raster,flyback lines, faint pic or normal pic - no OSD after LOPTx replacementR3544 2R7 fusible pin 4 LOPTx int removing 5v supply14-09-04
PhilipsGR1AXBlank raster - no sound or response to R/CNo o/p from IC7029 TDA8305A - chip faulty14-09-04
PhilipsGR1AXBLANK SCREEN , NO SOUNDC2044 4mfd SC.14-09-04
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