B's tv repair

Samsung LN26A450

Symptom

No power

Repair

Replaced bad electrolytic capacitor location CM861, 2200uF, 16V, only measured 400uF

Samsung LN32B540P8D

Symptom

No power or TV turns on but with no back light.

Repair

Replaced shorted diode at location DP805

Samsung LN40A650

Symptom

Fan1 error displayed

Repair

Replaced bad fan, sometimes cleaning the fan works as well

Samsung LNS2651DX/XAA

Symptom

No power

Repair

Replaced open .22 ohm resistor on the SMPS board at location RM801

Samsung LNS4041DX/XAA

Symptom

Power cycles on and off before coming on, also may have some flashing pixels.

Repair

Replaced bad electrolytic 1000uF, 10V capacitors on SMPS board

Samsung LNS4051D

Symptom

TV Immediately shuts down after being turned on Repair

Replaced four bad electrolytic capacitors, 1000uF, 10V. Locations CS806, CM811, CM812 and CM817 on SMPS board

Samsung LNT3253HX

Symptom

High Pitch Hum in Audio, TV still has picture and sound.

Repair

Replaced bad electrolytic capacitors on main board. Locations CM861 and CM856

Samsung LNT4061FX/XAA

Symptom

Set had vertical colored lines no OSD(On Screen Display) and no remote function

Repair

Replaced bad electrolytic capacitors on SMPS board. Locations CM11, CM12, CM17 and CM16.

1000uF, 16V

Samsung LNT4661F

Symptom

Takes a while to come on and when it is on, there are red dots all over the video Repair:

Replaced bad electrolytic capacitors on SMPS board. Locations CS804, CV812 and CV813. All were 1000uF, 16V

Samsung LNT4665FX/XAA

Symptom

Power relay continually clicks and the TV never comes on.

Repair

Replaced bad electrolytic capacitors on the SMPS board. Locations CM852 and CM853. Both were 2200uF , 10V

Samsung LNT4671FX/XAA

Symptom

The power relay and indicator LED continually cycle on and off.

Repair

Replaced bad electrolytic capacitors on the SMPS board. Locations CM852 and CM853. Both were 2200uF, 10V

Samsung LNT5271FX/XAA

Symptom

Dead Set

Repair

Replace CM853 & CM852 , both 2200uF, 10V. Note, It is probably best to upgrade the working voltage from 10V to 16V

 

Sanyo DP32746

Symptom

Set would not turn on, all secondary supply voltages would fluctuate up and down.

Repair

Replaced bad opto-isolator IC location D1622 on the power board.