Samsung DP14LS Service Manual page 21

6 Troubleshooting
6-1-2 Shut Down
Check X-ray protection circuit. :
D502, D503, R510
Check key components of secondary part. :
D406, D407, D408, D515, IC101 (Vcc ~ GND)
Q402, Q504, Rectifier diodes
Check and replace IC601.
Refer to 6-2-1 No Power.
Refer to 6-2-3 No Raster and 6-2-12 High Voltage Failure.
Refer to 6-2-17 Micom Failure.
2
Refer to 6-2-13 I C Failure.
6-2 DP14L*/DP15L*