C: Debug flow-chart
AC
ON
Power board: NO
S5V FOUND
Initialization:
YES
Power failure
Non integrity
GOOD
25
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 42EP24S - 42" Plasma TV
Page 1: ...SERVICE MANUAL Model 42EP24S PLASMA TELEVISION HAIER AMERICA TRADING LLC www Haieramerica com ...
Page 7: ...Printed Circuit Digital Board Main Board Printed Circuit Audio Board 7 ...
Page 8: ...4 Panel part a Adjustment 8 ...
Page 9: ...9 ...
Page 10: ...b Trouble shooting 10 ...
Page 11: ...11 ...
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 21: ... 3 PSU ON OFF sequence 21 ...
Page 22: ... 4 PSU INPUT OUTPUT PIN 22 ...
Page 46: ...Remote Control TV 5620 23 ...