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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: 18
Ferguson
IDC2 DSF68N
Int comes on or reverts to AV2
TX26 BC858B sm
14-09-04
Ferguson
IDC2 DSF68N
No mono sound
EEPROM
14-09-04
Ferguson
IDC2 DSF68N
No sound - pic ok
TS40 BC857 in audio mute cct
14-09-04
Ferguson
IDC2 DSF68N
Sound int
Audio muted - pin 4 Plug BS80 high - TS41 BC857B faulty
14-09-04
Samsung
LE32A456
C2D
PSU board: BN44-00214A
ot coming out of standby or shutting down.
Check solder joints on T0-220 MOSFET QB802 on the power supply board.
11-10-12
Toshiba
2527DB 2927DB 3327DB
C2D
Reduced height from cold or Frame cramping.
Replace C321 0u018 ( pin 14 IC302 ) C322 2u2 50v ( pin 15 IC302 ) if no better , replace IC302 PtNo B0384680 TA8859P.
14-09-04
Toshiba
2539DB
C2D
Dead - burst of EHT at sw on then LED goes out
HT too high at 170v - opto Q826 TLP621G
14-09-04
Toshiba
2539DB
C2D
Dead with G & R LEDs flashing
HT only 50v - Q828 2SC2230A s/c between LOPTr and HT smoothing cap, Q841& Q842 2SC1015 s/c in PSU sec. Note -Q841 is marked wrong way around on print side of PCB
14-09-04
Toshiba
2927DB 3327DB 2539DB
C2D
Frame bounce on channel change.
R329 22K.
14-09-04
Toshiba
2939DB
C2D
Field collapse
TA8783N jungle IC faulty - had wrong readings on its o/p pins 32/37
14-09-04
Toshiba
C2D
2939DB
faint blue screen, no remote or manual operation, no LED
sound IC670 TA8218AH (B0377305) s/c, ZP81 5A (23144451) o/c
14-09-04
Toshiba
C2D
2939DB
int loss of line or frame sync and goes to blue screen, corrupted or no teletext
replace Xtal ZF01 27MHz (231253472) under screening can on TEXT PCB
14-09-04
Toshiba
C2D
2939DB
int no pic or sound and goes to blue screen
resolder Q103 (IF can)
14-09-04
Toshiba
C2D
2939DB
no sound or pic (frame collapse)
no 12V from IC408 due to Q546 2SC1815Y s/c on AV PCB
14-09-04
Toshiba
C2D
2939DB
stuck in stby
ZP82 2A o/c, IC501 TA8211AH s/c
14-09-04
Toshiba
C2D
3339DB
big "bump" noise when switching to stby
not faulty. Switch off pro-logic before switching to stby (info from Toshiba technical)
14-09-04
Toshiba
C2D
3339DB
hiss/crackle from left speaker
ICG07 TA8776N
14-09-04
Toshiba
C2D
3339DB
tripping, red and green LEDs flashing at about 3Hz
Q828 2SC2230AY leaky (can use 2SC2482 as replacement from Onwa CRT base)
14-09-04
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