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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: 16
Samsung
CI5052
No sigs & partial field collapse
B+ (12v) to tuner low at 1.4v. R419 10R safety res o/c (not shown in manual)
14-09-04
Samsung
CI5052
P68
"Store" & "Channel" in flash on screen
1N4148 diodes in key strobe lines to micro RIC01 leaky
14-09-04
Samsung
CI5052
AT
FIELD LOWERS WHEN WARM THEN BOUNCES
IC402 MC7812
14-09-04
Samsung
CI5052
AT
FRAME COLLAPSE
CHECK D412 AND R412
14-09-04
Samsung
CI5052
AT
Height reduces with bounce
IC402 12v reg MC7812
14-09-04
Samsung
CI5052
X
High HT should be 125v
C852 470µ 16v
14-09-04
Samsung
CI5052
X
Int low brightness
A1 pot on LOPTx & C907 10nF 2kv
14-09-04
Samsung
CI5052
X
st/by only
86v HT, R813 o/c
14-09-04
Samsung
CI5052
XT
Hum Bar
C851 100µ 400v mains smoother o/c
14-09-04
Samsung
CI5052
XT
No sound/vis with st/by LED flickering
125v HT only 70v; IC801 SDH209B
14-09-04
Samsung
CI5052
XT
St/by only
C852 470µ, C418 1µ 250v hi esr, Q402 2SD 1651 (loptr) s/c, R826 1R ?w o/c- replace loptr with correct type (I didn't & it went s/c again 3 days later!)
14-09-04
Samsung
CI5052
XT P68
NO S/V , WITH SBY LIGHT FLICKERING
SDH209B IC801
14-09-04
Samsung
P68
CI5052
X
int. crackle/lines or colour dropout, varies with contract level
resolder C305 and C416
14-09-04
Samsung
P68SA
CI5052
AT
no frame
D401 ERB4304 (32167-208-510) s/c, R412 1R 0.5W (31059-002-010) o/c
14-09-04
Samsung
P68SC
CI5052
XT
frame collapse
D401 ERB4304 (32167-208-510) s/c, R412 1R 0.5W (31059-002-010) o/c
14-09-04
Samsung
P68SC
CI5052
XT
TV in mute after 5 min goes to stby
R703 27k o/c
14-09-04
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