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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: 438
Samsung
CI3312Z
Arcs then goes dead . R412 overheats , KA2131 sc .
Remove frame IC and check HT , if high ( should be approx 110v/120v ) R807 11k high in Psu
14-09-04
Samsung
CI3312Z
Colour int lost
X501 8.8Mhx Xtal - to set up short pins 1 & 6, 21 & 22 of IC501 & adj CV01 for floating pic
14-09-04
Samsung
CI3312Z
Dead
Check for dry joints R823 in 12v reg feed & R411 across pri line driver trfmr
14-09-04
Samsung
CI3312Z
Dead
R801 5R6 o/c, Q801 BU508A s/c, C816 split & check C811, 808, 817, 813 & check for dry joint on P802
14-09-04
Samsung
CI3312Z
High HT blows resistors in LOP stage
R807 11k had increased to give 157v HT instead of 125v at D821
14-09-04
Samsung
CI3312Z
Lack of height
R302 470k hi res
14-09-04
Samsung
CI3312Z
NEEDS DEGAUSSING REPEATEDLY
REMOVE PLUG + SOCKET ON COILS
14-09-04
Samsung
CI3312Z
No search tune - tuning volts stuck at 29.5v
Dry joint RQ01
14-09-04
Samsung
CI3312Z
No search tuning - tuning rail stuck at 30v
RQ01 dry
14-09-04
Samsung
CI3312Z
No signals
No 33v at collector of RQ04 - RR05 10k ?w o/c
14-09-04
Samsung
CI3312Z
No sound
R709 27k which feeds ident signal to pin 29 of micro RIC01 o/c
14-09-04
Samsung
CI3312Z
No sound except thro' SCART
IC601 CD4066BCN sw chip faulty
14-09-04
Samsung
CI3312Z
Oversized picture - set arcing over.
125v at D821 high R807 ( 11k ) gone high.
14-09-04
Samsung
CI3312Z
St/by only
No SCL SDA at pins 39 & 40 of micro RIC01. RX01 10Mhz Xtal faulty
14-09-04
Samsung
CI3312Z
Vol at max though osd changes
R615 8k2 in DC vol cont network
14-09-04
Samsung
CI3312Z P58SC
Dead with mains fuse or R601 5R6 7.5w o/c
Check C816 for s/c or leaky (2n2 2kv)
14-09-04
Samsung
CI3351 P68
Int dead when hot
C808 ( 330pF )
14-09-04
Samsung
CI3351A
Dark pic
C907 1nF 2kv decoupling cap on crt base leaky
14-09-04
Samsung
CI3351A
Dead - no start up volts pin 4 IC801
Chip faulty SDH209B
14-09-04
Samsung
CI3351A
Int dead when heated with no st/by led
C808 330pF 2kv disc cap in snubber network - checked ok out of cct
14-09-04
Samsung
CI3351A
Width reduced with bright vert section
wform at coll of Q401 driver rounded - D405 1N4003 in supply o/c (startup feed diode D404 was in action all the time)
14-09-04
Samsung
CI3351A P68SC6
Dead
CHECK RESISTORS FEEDING PIN 4 IC801 IF OK REPLACE IC801
14-09-04
Samsung
CI3351X
Dead
IC801 SCH209B; R803 270k; R804 270k
14-09-04
Samsung
CI3351X
Field collapse - no sound
R418 1R o/c
14-09-04
Samsung
CI3351X
Int goes into search tune
RX01 10Mhz
14-09-04
Samsung
CI3351X
Int going into search tuning mode.
RX01 ( 10Mhz ) faulty.
14-09-04
Samsung
CI3351X
Int interference on picture.
Aquadag earth lead loose.
14-09-04
Samsung
CI3351X
Int loss of col
Loose conn BCGND on crt base
14-09-04
Samsung
CI3351X
Interference on pic - int
Aquadag earthing loose
14-09-04
Samsung
CI3351X
No colour Int.
Loose connector BCGND on CRT panel.
14-09-04
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