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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: 14
Beko
2
541
1ND
Bright raster with sound
Pic can be restored by altering A1 or Focus control - CRT faulty
14-09-04
Beko
NR2
541
ND
Service mode access
Reqs RCU 14.1 pt no 7M187 (SEME)
14-09-04
Samsung
C1
541
ZG
WHISTLE ON SOUND
CHANGE RC11 FROM 1uF - 10uF
14-09-04
Samsung
CI
541
ZG
Dead with relay clicking
C411 100pF 2kv s/c in LOP stage
14-09-04
Samsung
CI
541
ZG
Dead with relay clicking
C411 100pF 2kv s/c in LOP stage
14-09-04
Samsung
CI
541
ZG
Frame collapse.
R412 ( 1R 1/2w fusible ) o/c.
14-09-04
Samsung
CI
541
ZG
Int shut down
Invisible dry joints at chopper trfmr
14-09-04
Samsung
CI
541
ZG
No red may be int.
Drys Q556 ( CRT PCB )
14-09-04
Samsung
CI
541
ZG
No sound - set tripping - black bars on pic.
B5 rail @ 3.4v Infra red Rx leaky ( unplug PA01 - 5 rail restored )
14-09-04
Samsung
CI
541
ZG
PSU & LOPT pulsing - no sound.
B5 rail @ 3.4v Infra red Rx leaky ( unplug PA01 - 5 rail restored )
14-09-04
Samsung
CI
541
ZG
Sound crackling & cutting out.
R618 ( 5.6k ) near audio IC.
14-09-04
Samsung
CI
541
ZG
Stuck in standby.
Q402 ( 2SD1650 ) s/c.
14-09-04
Samsung
CI
541
ZG
Will not lock into channels - no sound.
B5 rail @ 3.4v Infra red Rx leaky ( unplug PA01 - 5 rail restored )
14-09-04
Sony
KVM2
541
U
Stuck on 1 chan & no R/C response
2 x resistor packages (4 x 10k) on pluggable tuner/IF/proc board ref RA2 & RA3 - resoldering provided cure
14-09-04
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