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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: 133
Akai
CT2
56
7
St/by only
timing constant capacitor for the standby IC is leaky. The IC is mounted on a heatsink in the middle of the board. C093 is a pair of surface mount capacitors [in parallel] connected between pins 2 and 4 of the IC. Remove these capacitors and replace them with a 220nf.
14-09-04
Alba
CTV48
56
Height varies & tuning comes up in wrong posn
33v supply low at 18v - C504 0µ1 near front pcb
14-09-04
Bush
2
56
8NTX
Dead - bows LOPTr
Check drys on scan coil plug AND pins
14-09-04
Bush
2
56
8NTX
EW & width
R629 2R7 1/2w o/c
14-09-04
Bush
2
56
8NTX
Int line shift with foldover - LOPTr damaged
R451 dry joints
14-09-04
Bush
2
56
8NTX
Lack of width & E-W
R629 2R7 o/c & dry joints in area
14-09-04
Goodmans
2
56
/286 L6.3
Dead with loud whistling
C2912 2n2 2kv on 110deg module burnt - Pt no 482212613451
14-09-04
Goodmans
2
56
/286 L6.3
Field collapse
3928 1R 1/2w fusible o/c (behind LOPTx)
14-09-04
Goodmans
2
56
/286 L6.3
No E-W & lack of width
7908 STP4NA40F1 s/c on deflection panel - Pt no 482213063725
14-09-04
Goodmans
2
56
/286 L6.3
St/by only
6503 BYD33D leaky, 1502 0.63A fusible hi res (causes low volts to jungle chip)
14-09-04
Goodmans
2
56
/286 L6.3
Txt & OSD rolling - pic stable
IC7600 micro SAA5296P8/095 - replace with SAA5296P8/217 pt no 482220917219
14-09-04
Goodmans
2
56
/286 L6.3
Txt shifted laterally - sometimes wont find page
2606 100n sm cap leaky or o/c
14-09-04
Goodmans
2
56
NS
Dead & whistling
C2912 blue disc cap 2n2 2kv leaky
14-09-04
Goodmans
2
56
NS
E-W dist
capacitor 2913 (390n 250v) and 7908 (STP4NA40F1 mosfet)
14-09-04
Goodmans
2
56
NS
No E/W correction & low width
390 nF 250 v cap ( ref 2913 ) big blue cap on the E/W board
14-09-04
Goodmans
2
56
NS L6.3
E/W faulty with hum & burning smell
C2913 causing hum, Q3924 causing E/W fault
14-09-04
Goodmans
2
56
NS L6.3
Line collapse
R3930 560R safety res o/c, C2915 390nF 250v o/c
14-09-04
Goodmans
2
56
NS L6.3AA Chassis
E/W dist
C2913 (390n 250v) and 7908 (STP4NA40F1) mosfet
14-09-04
Grundig
ST63
56
0
Blows LOP Tr 2SD1432
Dry joints scan coils
14-09-04
Grundig
ST63
56
0
E/W corr
R503 2R2 & IC430 TDA8350Q
14-09-04
Grundig
ST63
56
0
Line shake (double image)
IC526 CPC Pt no GR8305338140
14-09-04
Hitachi
C21
56
- C32WD2 &tc
Int goes to st/by
VR951 +B HT preset 1k goes int or microphonic
14-09-04
Hitachi
C21
56
/2186
HT setting
110v
14-09-04
Hitachi
C21
56
TN
Dead - trips once or twice at sw on
High HT - R950 68k hi res
14-09-04
Hitachi
C2164TN C2
56
4TN
WONT START , JUST MOMENTARILY ENERGISES THEN DIES
CHECK 25v SUPPLY TO AUDIO
14-09-04
Hitachi
C25
56
/2586
HT setting
152v
14-09-04
Hitachi
C25
56
TN
Dead
R950 68k ?w hi res (near ht pot)
14-09-04
Hitachi
C25
56
TN
INT DEAD
Dry joints set HT pot
14-09-04
Hitachi
C25
56
TN
Int dead
check dry joints IC951
14-09-04
Hitachi
C25
56
TN
Int goes dead only to reapear several secs later
Dry joints pot R950 - tight up against plastic cradle
14-09-04
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