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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: 107
Finlux
5100
No sound/pic - EHT present
Blank raster when A1s advanced - no S5v or S12v supplies - Ta 18 BC557 leaky
14-09-04
Finlux
5121
service mode entering
1.switch on with mains switch. 2. press tv>prg>ext within 5 sec of switch on. 3.key in 04 [will then run through numbers on the display] comes back to 04 and you are ready to start.10, line freq 24 r gain; 25 g gain; 26 b gain; 27 r ref; 28 g ref; 29 b ref; 12 height; 13 v lin; 14 vs correction; 15 v shift; 34 v shift; 35 tuner agc; 38 ref osc; 39 y delay; 17 width; 21 h comp; 11 h posistion; 18 para; 19 corner correction; 20 trapez.
14-09-04
Finlux
5125
Dead - MOSFET IBRC40 s/c wickman fuse 1.6A o/c
Fitted BUZ91 & TDA4605 - no other ff (HT correct at 142v)
14-09-04
Finlux
51590
Trips aft 10 mins
Cu15 100µ 50v
14-09-04
Finlux
5721TX
St/by only - when sw on a faint "srp" noise only
PSU: C8075 (33uF/160 V ) low capacity
14-09-04
Finlux
5810
Dead - reverts to st/by
L652 in 11v feed has break at its leg
14-09-04
Finlux
8500
black lines at rh side int
bad earth to txt pcb pin 5 St4
14-09-04
Finlux
9000
No cold start
Ru17 270k & Cu6
14-09-04
Finlux
9000
Startup - failure to start from cold.
Ru17 ( 270k ) , Cu6 dried up.
14-09-04
Finlux
9670RC
Field collapse
If ok with 680k resistor from pin 13 TDA2653A to chassis check Tt4 on control pcb ( right of tuner )
14-09-04
Finlux
9670RC
Field collapse
Tt4 BC547B on system board leaky (right of tuner)
14-09-04
Finlux
Eurodigi 16:9
No pic when sw on after short sw off period
OK when PIP PCB bypassed - dry joints PIP PCB
14-09-04
Finlux
FN2144
1 NO SOUND OR PICTURE 2 NO SOUND ICP2 O/C 3 EXCESS
1 R44 O/C + D20 S/C 2 SOUND OP IC S/C TDA4935 3 D28 S/C
14-09-04
Finlux
FN2144
Excess width
D28 BY299 s/c
14-09-04
Finlux
FN2144
No sound
ICP2 o/c, TDA4935 audio o/p chip u/s
14-09-04
Finlux
FN2144
No sound/pic
R44 fusible o/c, D20 BY299 s/c
14-09-04
Finlux
MP51A1
Dead
C033 10µ 160v
14-09-04
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