Philips Repair Tips

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Make	Model	Symptom	Problem
PHILIPS	20PV220	Cuts out on hi brightness	Diode 6541 22v zener bzx85c22v
PHILIPS	20PV164/05	Sound very low	Tda7056b audio o/p chip faulty - caused by shorting links under tuner
PHILIPS	20PV164/05	Dead with no led	Ht at reservoir, 10v pulsing on pin 1 of mc44603p. replaced mc44603p & r3333 was o.c.68r
PHILIPS	20PV164/05	Codenumber information	A new software version (ptcp2-7) is available for the control up (ic 7801). service codenumber is 4822 209 15271. this new version is only used in the following sets: 14pv263/01, 14pv162/01, 14pv162/05, 14pv162/07, 14pv163/05, 14pv163/05h, 14pv263/01
PHILIPS	20PV164	Sticking front keys	The dimensions of the key sets have been changed, to avoid sticking buttons. for sets that are produced till week 9733 use 4822 410 11073. for sets that are produced from week 9733 onwards use 4822 410 11801 (check also that the picture tube is screwe
PHILIPS	20PV164	Start up problems after replacing ts7352	When ts7352 is replaced, it can happen that the set doesn't start up properly. there are 2 possible solutions for this problem: - use sgs type mtp3055e (4822 130 63726). - in case of a motorola type mtp3055v (4822 130 60838), add a 22 uh coil solde
PHILIPS	20PV164	Spare part information	Sets produced from week 9608 until 9647 motor holder with reverse prism included: in sets produced before week 9647 the reverse prism is a fixed part of the chassis and not available as a spare part. from week 9647 onwards a motor holder (pos.40) with
PHILIPS	20PV164	Modification	From production week 9725, the ic's sda5649, sda5649x and sda5648 are replaced by a sda5650 (4822 209 15504). this new ic is fully compatible with the others, but has better characteristics. in addition to this modification, r3812 on the small signal
PHILIPS	20PV164	Modification	An early production problem appears on these sets: the agc voltage supplied to the tuner 1 is too high (app. 8.8v) in comparison to the supply voltage (5v). it results in a wrong correction of the agc loop when the antenna's signal is too low (about 1,5m
PHILIPS	20PV164	Key set	The key set assy has been codified for all b-range tvcr's. this will allow to change the keys without having to change the complete frame. servicenr. 4822 410 11073 - key set for: 20pv164/02/05/08/13. servicenr. 4822 410 11801 - key set for sets produ
PHILIPS	20PV164	Int reverts to st/by	Remove tr7550 to disable prot cct. field collapse int observed. d6513 faulty
PHILIPS	20PV164	Int reverts to st/by	Dis'ing fop chip stopped fault but replacement made no diff; 6513 pump up diode was faulty - used rgp15 in lieu
PHILIPS	20PV164	Goes to stby after a few mins	Frame collapse due to int. d6513 breaking (bav21, part no. 4822 130 30842). to remove protection disconnect collector of 7550
PHILIPS	20PV164	Cuts out after 10 mins	Replace frame ic 6510 (4822 209 13066), d6513 (4822 130 30842) and c2513 (4822 124 11539)
PHILIPS	20PT138A	Dead	R3450 3r9 (to 5v5 supply rectifier off loptx)
PHILIPS	20HT3303	Service code of the fm-radio tuner.	In the partslist of the radio-sp/ls-vbatt panel of the chassis manual l9h.2e, the service code of the fm-radio tuner item 1901 was not indicated. the service code is 9352 632 70112
PHILIPS	20HT3303	"welcome message" doesn't come up at start up.	When the set is switched off via the mains switch and is switched on again after more than 5 minutes, the "welcome message" doesn't come up at start up. put the set into the sdm mode. select the option as (auto start-up). change the option content fr
PHILIPS	20DV1	Replacing the combi head	After replacing the combi head the setting of the head height is referred to in section 2:8:4 of the idm deck manual. the method used is to set for maximum amplitude of the control track signal. in the above mentioned vcrs the signal is amplified in a lim
PHILIPS	20DV1	Production change	In vcrs from wd32 onwards coil 5005 on the family board (jfb) will be replaced by a fuse. the fuse is given the position no. 1005. the fuse rating is 250ma/125 volt. the code no. of the fuse is 4822 252 51142. important: the fuse becomes a safety c
PHILIPS	20DV1	Poor response to infra red handset operation	It is possible that vcrs of the above types and having a week code of 9042 or 9043 may not always respond to signals from the remote control handset. cause:a small number of capacitors fitted in position numbers 2021 and 2022 on the operating panel (jdc)