SAMSUNG TV Repair: Common Faults and Solutions.


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SAMSUNG Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SAMSUNGCI5070AN US60A
Dark picD503 1n4003 diode hi res - check o/p from 12v reg ic802 - it may be low confirming faulty part
SAMSUNGCI5070AN
No line drive. ht 125v ok, but 15v supply to jungle ic lowC808 150uf 400v
SAMSUNGCI5070
No sound or vision, coming out of stbyD801 (measures ok)
SAMSUNGCI5061AT
Field collapse - intDry joints fop chip
SAMSUNGCI5061A
Sound has buzz/motorboatingC612 o/c
SAMSUNGCI5061 P68SA
Brightness variesQ905 2sa539-y on crt base
SAMSUNGCI5061
Pic shifted to rightC404 2n7 & check r420 820k
SAMSUNGCI5052XT P68
No s/v , with sby light flickeringSdh209b ic801
SAMSUNGCI5052XT
St/by onlyC852 470µ, c418 1µ 250v hi esr, q402 2sd 1651 (loptr) s/c, r826 1r ½w o/c- replace loptr with correct type (i didn't & it went s/c again 3 days later!)
SAMSUNGCI5052XT
No sound/vis with st/by led flickering125v ht only 70v; ic801 sdh209b
SAMSUNGCI5052XT
Hum barC851 100µ 400v mains smoother o/c
SAMSUNGCI5052X
St/by only86v ht, r813 o/c
SAMSUNGCI5052X
Int low brightnessA1 pot on loptx & c907 10nf 2kv
SAMSUNGCI5052X
High ht should be 125vC852 470µ 16v
SAMSUNGCI5052AT
Height reduces with bounceIc402 12v reg mc7812
SAMSUNGCI5052AT
Frame collapseCheck d412 and r412
SAMSUNGCI5052AT
Field lowers when warm then bouncesIc402 mc7812
SAMSUNGCI5052 P68
"store" & "channel" in flash on screen1n4148 diodes in key strobe lines to micro ric01 leaky
SAMSUNGCI5052
No sigs & partial field collapseB+ (12v) to tuner low at 1.4v. r419 10r safety res o/c (not shown in manual)
SAMSUNGCI5038Z
Tripping with ht low at 102v instead of 125vSmr earthing was suspect on heatsink (new type device recently fitted) i psu