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4
1.4.
How to Discharge the Capacitor on Jack PCB
When removal the jack P.C.B., it is protected with a capacitor cover. So do not have to discharge the capacitor.
However, when replacement it, remove the capacitor cover with unscrew 2 points, and then discharge the capacitor as follows.
However, when replacement it, remove the capacitor cover with unscrew 2 points, and then discharge the capacitor as follows.
CAUTION:
1. Be sure to discharge the capacitor on JACK PCB.
2. Be careful of the high voltage circuit on JACK PCB when servicing.
2. Be careful of the high voltage circuit on JACK PCB when servicing.
[Discharging Procedure]
1. Refer to the disassemble procedure and Remove the necessary parts/unit.
2. Put the insulation tube onto the lead part of Resistor (ERG5SJ102:1k
2. Put the insulation tube onto the lead part of Resistor (ERG5SJ102:1k
Ω /5W).
(an equivalent type of resistor may be used.)
3. Put the resistor between both terminals of capacitor on JACK PCB for approx. 5 seconds.
4. After discharging confirm that the capacitor voltage is lower than 10V using a voltmeter.
4. After discharging confirm that the capacitor voltage is lower than 10V using a voltmeter.
Fig. F1
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