NO +12V
、
+5 and +34V output
No
No
No
Yes
Yes
NO +12V and +5V
output
Check
whether
AC input
voltage is OK.
Check whether Powerline is good
electrical contact.
Check D505and D503
Replace component
Check U507,U508 and
U509 in the feedback
loop
Yes
Yes
Yes
No
Check
whether
the voltage of
CE501&CE502 is OK
Check
whether
the voltage of
CE511 &CE503 is between
5.5V and 6.5V.
Check D515,D516, D518 &D514
Check
BD501 and F501
Trouble shooting chart
5-8
Summary of Contents for HTD5540/12
Page 42: ...7 11 7 11 Front Control Board print layout ...
Page 43: ...7 12 7 12 Power Board print layout ...
Page 44: ...7 13 7 13 Main Board print layout bottom side ...
Page 45: ...7 14 7 14 Main Board print layout top side ...
Page 48: ...SPHE8203R Rx MAIN IC BLOCK DIAGRAM 9 1 ...
Page 49: ...SPHE8203R Rx SIGNAL DESCRIPTION Pin Configuration 9 2 ...
Page 53: ...10 1 10 1 Exploded View for HTD5540 12 93 ...
Page 54: ...Exploded View for HTD5510 94 HTD5540 94 HTD5570 94 10 2 10 2 ...
Page 55: ...Exploded View for HTD5510 98 HTD5540 98 HTD5570 98 10 3 10 3 ...
Page 56: ...1 1 1 Revision List Version 1 0 γ Initial Release for HTD5540 12 98 94 93 ...