3-12
ONE POINT REPAIR GUIDE
NO POWER
If the unit doesn’t work by no power problem, repair the set according to the following
guide.
1-2. D951, ZD951
1-2-1. Solution
Please check and replace D951, ZD951 on SMPS board.
1-2-2. How to troubleshoot (Countermeasure)
1) Check the Anode-Cathod Voltage of D951 with a digital multi-meter, it is normally 0.2 ~ 0.3 V.
If it doesn’t have any voltage, it’s destroyed. Replace it with a new one.
2) Check if ZD951 is short-circuit.
If it is short-circuit, and then replace it with a new one.
1-2-3. Service hint (Any picture / Remark)
< SMPS schematic diagram >
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