PHILIPS TV Repair: Common Faults and Solutions.


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PHILIPS Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
PHILIPSAA5 AB
Dead no st/by unless line stage dis'dLoptr bu1508dx 7445 pt no 4822 130 63569; loptx 5445 pt no 4822 140 10544
PHILIPSAA5 AB
Dead - wickman fuse 1571 o/cWhen replaced ht low & tripping. lopt u/s. if fuse blown for no apparent reason philips say change thyristor 7481 & 3482 sm resistor 6k8.
PHILIPSAA5 AB
Dead - no line drive pin37 ic7015 tda8361Chip faulty
PHILIPSAA5 AB
Dead - burn up &/or s/c rgb trs on crt base or ic7015 tda8362 on main pcb damagedLoptx is main suspect of this fault
PHILIPSAA5 AA
No field scanTda3654 7401 & d6449 byd33g & 3449 400ma wickman fuse
PHILIPSAA5 21PT166B
Dead with ht loptx priProt 1571 o/c in series with 11v supply to 8v reg ic7567 which had s/c o/p.this feeds pin 10 multifunction chip ic7015 via l5565 which was s/c to chassis. usually caused by breakdown in loptx
PHILIPSAA5 21PT166B
Dead with f1571 630ma wickman fuse blownWhen replaced eht & most volts correct tho no pic & a1 volts incorrect - loptx
PHILIPSA8.0E 32PW6324/05
St/by onlyCould be micro ic7000 pt no 311125054411 & memory chip ic7088 pt no 482220914928. note option code on crt label & change it in service menu then in serv align menu (sam) adj geometry
PHILIPSA8.0E 24PW6324/05R
Tuning slightly high when locks on to a station in search tuneTda8843 jungle chip faulty - has afc feedback incorp in it
PHILIPSA10E 28PW6515/05
Random variation of width/height with pic jumpingPainter micro chip faulty
PHILIPSA10E 28PW6305
No pic - poor pic lacking contrast when a1 advancedNo volts pin 10 loptx (beam lim) - tr7408 bf423 on main pcb leaky
PHILIPSA10E 28PW6305
Int sound due to muting pin 8 of aud o/p chip ic7702 an5277 int going lowTraced back to ic7064 sm pin 98 on control board leaky to earth when faulty. to avoid replacing this 100 pin sm chip, s/c e-c of tr 7701 sm bc847b (under main pcb near an5277 o/p chip)
PHILIPSA10E 28/32PW6005
Sound int or absent or sw to ext1- esp when warmIc7064 micro usually the cause (shuts down aud o/p chip) - phone amp still ok - pt no 3111 250 54511
PHILIPSA10 CHASSIS
Locks up after a few mins (no chan change etc)Painter chip faulty
PHILIPSA10 32PW6305/05
No sigs but tunes ok - traced to small sigs panelCheck options code against label on crt
PHILIPSA10 32PW6305
Vert lines floating behind pic - same on scartBeing generated in tda9181 comb filter - tda9181 replaced
PHILIPSA10 32PW6005
Sound int or missingPainter chip faulty - remove mute function by linking e-c of t7701 (bc847b smd) near the an5277 on the underside
PHILIPSA10 28PW6515/05
Reverts to st/by aft several hours until sw off at mains & re-startedIc7064 micro
PHILIPSA10 28PW6315/05
Int locks up with no r/c responseIc7064 micro (painter) faulty - pin 76 r/c i/p stuck high
PHILIPSA10 28PW6305
R/c inopIr rx pre-amp 1002 on sub panel front of set- part no. 9322 1275 4667