3-5
VFD_CLK
VFD_RST
VFD_CS
VFD_DO
ONE POINT REPAIR GUIDE
3. VFD IS NOT DISPLAYED WHEN POWER ON THE SET
When power on the set, any icons or characters on VFD are not displayed.
3-1. VFD (DIG300)
3-1-1. Solution
Please check and replace DIG300 on FRONT board.
3-1-2. How to troubleshoot (Countermeasure)
1) Check if 39V, FL+ and FL-are output from SMPS to VFD via the main board.
2) Check if the IC501 outputs VFD_RST, VFD_CLK, VFD_CS and VFD_DO to the front board.
3-1-3. Service hint (Any picture / Remark)
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