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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
Make
Model
Problem
Solution
Date
Found: 102
Goodmans
256NS L6.3
AA
Chassis
E/W dist
C2913 (390n 250v) and 7908 (STP4NA40F1) mosfet
14-09-04
Goodmans
286NS/05 L6.3
AA
E-W dist
C2913 390nF low cap (on small stand up sub panel)
14-09-04
Nordmende
F9 Chassis (Control board with S
AA
1121/SAA1130/SAA1020)
Snow on screen, all leds lit, stuck on UHF band.
Change SAA1121.
14-09-04
Orion
TV700BR CTN-
AA
Tripping with LED flashing in time
Fit dummy load to HT supply - removing pin 1 LOPTX gave 101v - LOPTx u/s - grey type Part Number OR312813820411available from CPC @?21 +vat
14-09-04
Philips
17PT165B
AA
5AB
Dead aft lightening strike
Replace 1571 (630mA wickman) and retune stations (tuning memory had been wiped out).
14-09-04
Philips
25PT410/05
AA
5AB
Tuning drift
C2037, a 220nF SMD on pin 44 of IC7015 (near tuner) also if not locking check adj of AGC preset & coil L5040 near IC7015
14-09-04
Philips
52ZY3535 Anubis B
AA
No pic, sound ok with faint burning smell
No Filed - replace overheated R3452 4R7, R3450 3R9 & IC7400 TDA3653B
14-09-04
Philips
5GFL2.30E
AA
Dead aft storm - led green for 40secs then red
FSS supply not working - fit FSS supply kit - includes module Pt no 4822 310 32214
14-09-04
Philips
AA
5 21PT166B
Dead with F1571 630mA Wickman fuse blown
When replaced EHT & most volts correct tho no pic & A1 volts incorrect - LOPTx
14-09-04
Philips
AA
5 21PT166B
Dead with HT LOPTx pri
Prot 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
14-09-04
Philips
AA
5 AA
No field scan
TDA3654 7401 & D6449 BYD33G & 3449 400mA wickman fuse
14-09-04
Philips
AA
5 AB
Dead - burn up &/or s/c RGB trs on crt base or IC7015 TDA8362 on main pcb damaged
LOPTx is main suspect of this fault
14-09-04
Philips
AA
5 AB
Dead - no line drive pin37 IC7015 TDA8361
Chip faulty
14-09-04
Philips
AA
5 AB
dead - wickman fuse 1571 o/c
when replaced ht low & tripping. LOPT u/s. If fuse blown for no apparent reason Philips say change thyristor 7481 & 3482 sm resistor 6k8.
14-09-04
Philips
AA
5 AB
Dead no st/by unless line stage dis'd
loptr BU1508DX 7445 pt no 4822 130 63569; loptx 5445 pt no 4822 140 10544
14-09-04
Philips
AA
5 AB
Dead with LEDs flashing on/off every 3 secs
EEPROM fault - new ST2402A made no difference, neither did LM317T reg which had no o/p - crack in print pin 1 LOPTx
14-09-04
Philips
AA
5 AB
Dull pic aft replacement of TDA8362 or crt base components
R3470 8R2 safety res in RGB HT supply o/c
14-09-04
Philips
AA
5 AB
Line collapse then off
C2450 680nf 150v s corr cap
14-09-04
Philips
AA
5 AB
line o/p tr failure
dry joints rear connector of scan coils
14-09-04
Philips
AA
5 AB
No response to r/c commands
ST24C02CP EEPROM chip
14-09-04
Philips
AA
5AB
Line collapse
680nf cap in line o/p stage low cap
14-09-04
Philips
AA
5AB 21PT165B
Overbright raster, with flyback lines
R3470 8R2 o.c. (safety resistor to 183V supply from L.O.T.)
14-09-04
Philips
Anubis B
AA
Dead - chopper tr s/c
Replaced opto IC7514 CNR50, Control chip IC7500 & chopper tr
14-09-04
Philips
Anubis B-
AA
Hor grey line over pic
Field scan has osc on it - C4213 10nF o/c
14-09-04
Philips
Anubis B-
AA
LED flashing with "ER4" displayed
Fault in Txt - lines only in Txt - Xtal 1701 27Mhz faulty
14-09-04
Philips
Anubis B-
AA
Removing "Demo" mode
Switch on whilst holding in "VOL-" & "Prog+" in together.
14-09-04
Philips
Anubis B-
AA
When replacing EEPROM IC7685 ST24C02P
Default language is Norwegian! & childlock (Barnlas)active. To clear childlock select spec functs option C on main menu. Next menu - Barnlas as option A - set to Fran (off). Then able to set up other parameters
14-09-04
Philips
Anubis B
AA
Dead with pulsing squeak
C2540 2200µ 16v leaky
14-09-04
Philips
FL1.0
AA
No sound - NICAM or FM
No audio o/p from tuner/IF module pin 25 or NICAM from pin 22 (should be 0.5v p-p) TDA3856 u/s in IF module
14-09-04
Philips
FL1.0
AA
Protection mode operated
T7542 in prot cct leaky
14-09-04
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Last SM download : Samsung BN44-00259A BN44-00260A BN44-00261A BN44-00262A BN44-00289B BN44-00291 No power to backlight repair
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