4-5
No VFD display
Trouble shooting chart
Check whether the
voltage between VFD
F1&VFD F2 is AC3V
Go
No
No
No VFD display
Yes
Fix the connection power board
CN6& front board JP4
Check whether the voltage
+5Vstb on the front board is
normal work or not.
Check DC5V to AC 3V switch circuit
Replace U3 or VFD.
Yes
Check whether the
voltage -24V is normal
No
Check the FB7 on the front board
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Содержание DVDR3588H
Страница 24: ...Output Board Print layout Bottom Side for DVDR3588H 93 6 6 6 6 家电维修资料网 免费下载各种维修资料 ...
Страница 25: ...Output Board Print layout Top Side for DVDR3588H 93 6 7 6 7 家电维修资料网 免费下载各种维修资料 ...
Страница 27: ...Power Board Print layout Bottom Side for DVDR3588H 93 6 9 6 9 家电维修资料网 免费下载各种维修资料 ...
Страница 28: ...Power Board Print layout Top Side for DVDR3588H 93 6 10 6 10 家电维修资料网 免费下载各种维修资料 ...
Страница 38: ...Main Board Print layout Top Side for DVDR3588H 93 6 20 6 20 家电维修资料网 免费下载各种维修资料 ...
Страница 39: ...Main Board Print layout Bottom Side for DVDR3588H 93 6 21 6 21 家电维修资料网 免费下载各种维修资料 ...
Страница 41: ...DVDR3588H 93 Ex ploded View 7 2 家电维修资料网 免费下载各种维修资料 ...