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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: 8
Philips23DV1Audio not recorded; previous audio not erasedRemove connector from cable of erase-head and solder the wires directly on the erase-head. Check also whether metal-flakes are present in the flatcable connection of the audio-sync head. Note: touching the wires can already hide the complaint!14-09-04
Philips23DV1AUTOSTORE skips transmittorsIn case of high RF voltages (> 80DB UV), some transmittors are not stored. Solution: Modify time-constant in RF-AGC circuit: R3720 becomes 1kOhm. C2724 becomes 10 uF. Introduced in production from week 9319 onwards.14-09-04

Philips23DV1Codenumbers deckprocessorsSets produced with factory code < WD30 use the intel video controller with mask version MMTD2-XU. (4822 209 32506) Sets produced with factory code WD30 and higher use the Toshiba video controller with mask version MMTD4-XU. (4822 209 32736) . Whe14-09-04
Philips23DV1ModificationFor a better performance of the erase oscillator, the following components are modified in production: POS. 2620 - 47 nF - 4822 121 51655 POS. 2622 - 33 nF - 4822 121 4399614-09-04
Philips23DV1ModificationFrom DECK production code WD22 onwards, a new lift has been applied (Sets production code WD40 or RJ12). For "old" sets, the codenumber for the lift assembly 4822 443 63702 remains unchanged (but delivered with new lift and kit L). For "new" sets, 14-09-04
Philips23DV1Rattle during fast-forwardIf a Turbo-drive with Fast-Forward problems are brought-in for service: Check first of all whether thooth-wheels 116 and 117 sufficiently grip in each other. If these tooth-wheels rattle-over-each-other during fast forward, replace following components14-09-04
Philips23DV1Spare part informationA repair kit , containing PULLEY SHAFT + WORM SHAFT (POS. 47+48) is delivered with codenumber 4822 310 10657. This kit can be used for all TURBO- and ECO mechanisms !14-09-04
Philips23DV1Supply does not start, D6115 defectiveReplace diode 6115 on supply MSM1 by a 1N4148 (4822 130 30621).14-09-04
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