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SAMSUNG Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SAMSUNGCI5944
Field problemsMod kit available from chs (modkit10) incs mod sheet
SAMSUNGCI593CN3X S51A
Service mode accessPress st/by, display, menu, mute & power on in sequence, then go to st/by to leave serv mode
SAMSUNGCI593CN3X S51A
No sound/pic - snowy pic/sound available thro' scart o/pIc902 24w16 eeprom faulty. samsung's replacement 24c16 is set on ck tuning system & needs resetting to ci (uk version) enter serv mode/reset mode to do this or no sound will be present
SAMSUNGCI593CN SCT12B
Stuck in standby, 5v supply to micro ic901 pin 34 is lowReplace micro z8933212psc-r3593 , part number aa13-30018k ( 30ukp+vat )
SAMSUNGCI593CN SCT12B
No picture - sound okReplace ic201 tda8375/n3
SAMSUNGCI593CN S51A
Dead with led lit green - no line driveC407 1nf 2kv leaky (next to loptr heatsink)
SAMSUNGCI593CN S51A
DeadC807 2n2 800v burnt, ic801 pt no 1203-001482 faulty
SAMSUNGCI593CN
Various inc vol varies, chan counts up/downFront controls varying in resistance
SAMSUNGCI5937AN Z68
Pic slow to appear with lack of width & jagged vertsAlso arcing noise from loptx - ht smoother c828 470µ 250v faulty
SAMSUNGCI5937AN
St/by onlyMicro not giving power on signal. front panel faulty (works by r/c when dis'd) - nla
SAMSUNGCI5937AN
Set whines no picture or soundD808 170v overvolts zener sc pc801 optocoupler dry jointed
SAMSUNGCI5937AN
Dead except for squeal from psuAll sec supplies low - 32v line has a low res reading - audio o/p chip tda2161 s/c at supply pin 7
SAMSUNGCI5937AN
Dead & whining - d808 r2k 170v overvolt diode s/cOptocoupler pc801 dry joint pin 2 - causing no fback or ht reg
SAMSUNGCI5937AN
DeadTda2616a audio o/p chip s/c
SAMSUNGCI5913W
No picture - sound okWhen a1 advanced dim, wide pic seen. ht correct but had noise superimposed on it. c41 4µ7 400v u/s
SAMSUNGCI5913W
Excess width & no e-w corrC416 2µ2 250v in anti breathing cct
SAMSUNGCI5913 U88
High frequency vibration noise fbt vibration , andReplace fbt ( 3 hole fixing type ) , bond r414 ,
SAMSUNGCI5913 CI6813 U88
Failure of c560 ( 2.2mfd / 250v ) crt base.Replace c410 to new type and cay out mod
SAMSUNGCI5913 & CI6813
If ht smoother c560 2µ 250v has failed (on crt base)Change c410 or c401 from 220µ 100v to 47µ 250v. connect -ve pin to chassis. change c416 from 2µ2 250v to 47µ 250v. if r415 0r27 ½w is fitted check for o/c - if so replace - official samsung mod
SAMSUNGCI5913 CI6813 U U88
Dark pictureCheck c416 ( 155v smoothing ) replace with 47mfd 250v