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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: 9
Barlows
CB
672
N/S pincushion error
chech 4 trs on pincush pcb & C6,10,12 and L1 (24R in cct)
14-09-04
Bush
WS6
672
Blank white raster with fback lines aft replacing LOPTr
No 220v to RGB as RD12 15R on main pcb to left of LOPTx o/c due to previous dry joint on scan coils had blown LOPTr
14-09-04
Bush
WS6
672
Dead & tripping
LOPTr BU508SAF s/c & CD08 560nF 250v o/c in E/W mod
14-09-04
Bush
WS6
672
Dead with burning smell
Mains sw burnt - can use Wharfedale sw pt no MS32 from CHS
14-09-04
Bush
WS6
672
E/W burn up
RV38 22R o/c & BY228 E/W Diode s/c
14-09-04
Grundig
Super color 8472/8
672
/8272/8872/9272
R621(6,2ohms) smokes immediately after switch-on.
Replace thyristor Ty503 type17127
14-09-04
Grundig
Super color 8472/8
672
/8272/8872/9272
R621(6,2ohms) smokes immediately after switch-on.
Replace thyristor Ty503 type17127
14-09-04
Grundig
Super color 8472/8
672
/8272/8872/9272
Won't search.
Pin 5 of syntheseizer module, should have 3,5 volts. If not, change R4111 (1,8 volts).
14-09-04
National
CN
672
Tripping
R528 100R o/c, C511 33mfd off pin 7 line osc chip
14-09-04
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