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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: 11
Bush
2550
NTX
Cuts out aft several hrs with HT rail pulsing
R816 47R sm feedback to chopper chip int o/c
14-09-04
Bush
2550
NTX
Preventative maintenance
Check scan coil plug for dry joints - if burn up occurs could be write off
14-09-04
Philips
21GR
2550
F7 in display/ LED flashing - no user controls
5v supply to Txt pcb low - C2843 22µ 16v
14-09-04
Philips
2550
DEAD-LOUD TRIPPING NOISE
D6845 ( SURFACE MOUNT ) SHORT
14-09-04
Philips
2550
NO FIELD SCAN ( APPROX 2" )
R3511 HIGH
14-09-04
Philips
G90AE 21GR
2550
Tripping PSU
Check/replace 3 x 33v sm zeners in series
14-09-04
Toshiba
2550
TB
frame collapse, no sound
R480 (24545229) o/c, IC480 MC7809BT (23904844)
14-09-04
Toshiba
2550
TB
PARTIAL FRAME COLLAPSE AND NO SOUND
REPLACE R480 AND IC480
14-09-04
Toshiba
2550
TB
patterning on top and bottom from cold, freezing QD03 on DPC board shows the fault
design problem causing line pick-up from video stage, add 0.01uF 50V cap on print side of DPC across RD13
14-09-04
Toshiba
2550
TB
Pic jumps & arcing noise with G2 fashing on crt base
Check earth pin of LOPTx
14-09-04
Toshiba
2550
TB
Width lacking with E/W corr faulty
QD01 2SB688 leaky - or was it a dodgey heatsink? Insulate from heatsink
14-09-04
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