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Samsung Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SAMSUNGCB-5073Z
The LED is always yellow and the TV doesn't turn on despite having the fa ok.R914 47Ω 1/8w aberta. liga ao pino 16 do up "hold in"
SAMSUNGCL21M21MQ
LED blinking and won't turn onDiode 1n4148 in position j823 open.
SAMSUNG CN-5039VB
Colored bars on the screen the same as the bar generatorCi do vertical (tda8356-3y).
SAMSUNG540N
Turns on but the screen doesn't light upC115 (1000uf/10v) exhausted
SAMSUNG SYNCMASTER 3NE
Horizontal without adjustment and with a very large size.After checking the horizontal size adjustment potentiometer and the adjacent circuit (q407, q406) I found the diode d406 uf5404 leaking. After replacement, the monitor returned to horizontal adjustment
SAMSUNGCQA-4147
It came cocked with a jumper on the zener d100, what for? power supply at maximum (155v) and high voltage with only 40v instead of 90v at the corresponding tp.Replacement of ic 402 (hv2 hybrid)
SAMSUNG SYBCMASTER 3NE
Horizontal position too wide, making it impossible to adjust using the button.Check q406 and d407.
SAMSUNG
Monitors of any brand that have low brightness and use Samsung tubes (blue label).If the filament tension is ok and g1 and g2 are also ok, it is almost certain that the tube is defective!
SAMSUNG SYNCMASTER3
Excess widthQ406=mje806
SAMSUNG SYNCMASTER 3 OU 3NE
Doesn't startR613 r614, c621. Note: there is no point in measuring the c621, you have to change it
SAMSUNGSYNCMASTER 3 NE
The monitor magnetizes normally but nothing appears.I checked the d505 diode and realized that it was completely shorted. I replaced it with the traditional 1n4148 and it worked perfectly! It was what I had on hand at the moment.
SAMSUNG SYNCMASTER 3NE -CQB4147
Normal controls, but the width is smaller than normalReplacing capacitor c422, or other capacitors associated with the collector of the horizontal output transistor
SAMSUNG SYNCMASTER 3NE -CVM4967P
Power supply does not start, or works after several attempts.Replace c621, c619
SAMSUNG753V
Insufficient widthQ419
MONITOR SAMSUNG 551V -PN15VS
Retrace line and dot in the center of the screen when turning offC101 (102k/500v) na placa do trc.
SAMSUNG CN3383
TV doesn't turn on and the LED is off. the +b of 130, 15 and 5vdc ok. It doesn't activate the stand-by and it doesn't have the 9v that powers the computer. defectThe bad crystal.
SAMSUNG CB5035Z
Stuck in osd mode, no functionsChange the eprom, check that the earthing of the green cable running from tuner is ok
SAMSUNG CB5020 P58SC
Tuning not stoppingReplace r116 120kΩ this was open circuit
SAMSUNG CX5012
Volume low, even at maximum settingReplaced ic601 tc4066bp close to if can
SAMSUNG CS3339Z
No picture no soundFaulty ic tda6107q on crt board