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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: 10
Philips32PW9763/05 MD2.25ESt/by only with led flashingMain micro on control board pin 53 stuck hi due to D6227 zener 3v3 sm o/c. For more info see TV mag Nov 200114-09-04
PhilipsMD2.25ECodenumber informationCodenumber information ---------------------- Long cable SSP <> CRT panel: 4822 320 11291. Set extention cables: 4822 310 11188. The extention cables are different from MD2.22E because use of other connectors. 14-09-04

PhilipsMD2.25ECorrection to position 21 of styling 220Correction to position 21 of styling 220 of Product Survey 1999-3 (3122 785 10300 The code numbers mentioned for the aluminium columns at position 21 of styling 220 are not correct. The correct code numbers must be: 21 4822 466 12216 Aluminium colum14-09-04
PhilipsMD2.25ECrackling noise coming from the picture tubeCrackling noise coming from the picture tube during light/dark changes of the picture contents. Mount bleeder (4822 310 11113) between LOT and picture tube. If problem still exist Anti Crackling Coating (ACC) can be applied. The code number for this AC14-09-04
PhilipsMD2.25ECurtain effect just after a white vertical line (ringing phenomenon)To reduce the ringing phenomenon change the following positions on the Small Signal Panel: Position 4508 into 1k (4822 051 10102) Position 3537 into 1k (5322 117 12487) Position 3538 into 1k (5322 117 12487) Position 3565 into 1k (4822 051 10102) Po14-09-04
PhilipsMD2.25EE/W distortion and then switching to standbyCheck and replace if necessary position 7480 on the Large Signal Panel with IRF620FI (4822 130 63546). REMARKS : Introduced in production (25" and 29") in week 9912. IRIS symptom code: 233A 14-09-04
PhilipsMD2.25EInfluence from wireless dolby on channel 3Cause: The wireless dolby transmitter influences the 55.25 MHz on channel 3. The local oscillator from the tuner interferes with the wireless dolby transmitter frequency and this results in a cross pattern on channel 3 (55.25 MHz). Solution: - Add on pos14-09-04
PhilipsMD2.25ENo sound from left, right, centre and subwoofer speakersCheck on audio supply panel (AB, page 39) 7302, BU508AF, 4822 130 61265 3300, 6E8 5W, 4822 117 12681 If one or both are defective also check production code on transformer 5305. If production code on 5305 is between or equal to OP9802 and OP9824 then al14-09-04
PhilipsMD2.25ENoise (humming or low frequency whistle) coming from the picture tubeMount bleeder (4822 310 11113) between LOT and picture tube. If problem still exist Anti Crackling Coating (ACC) can be applied. The code number for this ACC is 4822 390 10166. The ACC is supplied with complete instructions how to apply. REMARKS 14-09-04
PhilipsMD2.25E 32PW9543/05Poor definitionTr7140 BD140 on crt base s/c14-09-04
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