- 26 -
C: Debug flow-chart
AC
ON
Power board: NO
S5V FOUND
Initialization:
YES
Power failure
Non integrity
GOOD
Whether alternating current
input
System Reset
Power On
+9V +12V +5V
+2.5V +3.3V +1.8V
FOUND
*Repair power board.
*Replace fuse.
*Check dc-dc circuit
and LDO circuit.
SvpEx Reset
Svpex E0 Good
SvpEx E0 error
*SvpEx no ack.
* SvpEx communicate with
MCU was wrong.
InitAppHas Accomplish
PICTURE DISPLAY
*Vs on
+60 +190 FOUND
*
SvpEx communicate with
DDR was wrong.
Summary of Contents for P42LV6-T1
Page 1: ... 1 P42LV6 T1 ...
Page 8: ... 8 Printed Circuit Digital Board Main Board Printed Circuit Emulation board ...
Page 9: ... 9 4 Panel part a Adjustment ...
Page 10: ... 10 ...
Page 11: ... 11 b Trouble shooting ...
Page 12: ... 12 ...
Page 13: ... 13 ...
Page 14: ... 14 ...
Page 15: ... 15 ...
Page 16: ... 16 ...
Page 17: ... 17 ...
Page 18: ... 18 ...
Page 19: ... 19 ...
Page 20: ... 20 ...
Page 22: ... 22 3 PSU ON OFF sequence ...
Page 23: ... 23 4 PSU INPUT OUTPUT PIN ...