3-5
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 (DIG301)
3-1-1. Solution
Please check and replace DIG301 on FRONT board.
3-1-2. How to troubleshoot (Countermeasure)
1) Check connection first.(VFD to Volume Board to Board Connector, VFD to Main FFC cable)
2) Check if 4.6~4.9 V, FL+ and FL- are output from SMPS to VFD via the MAIN board.
3) Check if the IC101 outputs VFD_RST, VFD_CLK, VFD_STB and VFD_STB to the FRONT board.
If the there are control signals from VFD (TP306, TP308, TP309), replace VFD with a new one.
3-1-3. Service hint (Any picture / Remark)
737373
Содержание CM9530
Страница 11: ...MEMO 1 10 ...
Страница 13: ...MEMO 2 2 ...
Страница 17: ...A60 A61A 651 652 653 653 4 SPEAKER SECTION 4 1 FRONT SPEAKER NS9530F ...
Страница 18: ...A91A 951 952 953 953 A90L 4 2 SUBWOOFER SPEAKER NS9530W LEFT SUBWOOFER ...
Страница 19: ...2 10 A91A 951 952 953 953 A90R SUBWOOFER SPEAKER NS9530W RIGHT SUBWOOFER ...
Страница 78: ...3 79 3 80 PRINTED CIRCUIT BOARD DIAGRAMS 1 SMPS P C BOARD TOP VIEW ...
Страница 80: ...3 83 3 84 2 MAIN P C BOARD TOP VIEW ...
Страница 81: ...3 85 3 86 MAIN P C BOARD BOTTOM VIEW ...
Страница 82: ...3 87 3 88 3 VOLUME P C BOARD TOP VIEW ...
Страница 83: ...3 89 3 90 VOLUME P C BOARD BOTTOM VIEW ...
Страница 84: ...3 91 3 92 4 VFD P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 85: ...3 93 3 94 5 MIC P C BOARD TOP VIEW BOTTOM VIEW 6 PORTABLE P C BOARD TOP VIEW BOTTOM VIEW ...