Read Panasonic UB-T760 Service Manual online
3
UB-T760
1 General Precaution
1.1.
Safety Precaution
1.2.
Electrical Test
1. Unplug the power cord and check for continuity between the earth ground connection on the plug and the metal cabinet.
There should be zero ohm resistance.
2. With the unit unplugged, short the AC Live-Neutral of the plug with a jumper wire.
3. Turn ON the power switch.
4. Measure the resistance value with an ohmmeter between the shorted AC plug and each exposed metal cabinet part, such as
3. Turn ON the power switch.
4. Measure the resistance value with an ohmmeter between the shorted AC plug and each exposed metal cabinet part, such as
screwheads, etc.
Note:
Note:
Some exposed parts may be isolated from the chassis by design. They read infinity.
5. If the measurement is less than 1 M
Ω, a possibility for electric shock may exist.
Note:
This hazardous condition must be corrected before the unit is returned to the end user.
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