Flow Chart For Malfunction - Samsung CS21A550MLK Service Manual

Troubleshooting

9. Flow Chart for Malfunction

Does the TV work?
Yes
Is the power cord or the
master switch out of order?
Yes
Is CRT higi voltage
been measured?
Yes
Is
the cable from the
Main Board th the CRT Ass'y
properly innected?
BRIDGE DIODE
SMPS-TR
MAIN TRANS
DY-JACK
FBT
4-6
Yes
Is there something on
the Screen.
No
Check that the cables ard
properly connected to Main
Board.
No
Connect the cable
OUTPUT TR Q401
INPUT JACK
Yes
Does the OSD menu on the
screen work?
No
UOC TOP IC Replace.
SOUND IC
VERTICAL IC
MICOM SMD IC
EW DRIVER
TUNER
Samsung Electronics