When The Unit Does Not Operate Normally After Replacing The Timer Microprocessor With New One - Panasonic DMR-E53EG Service Manual

12.2 When the unit does not operate normally
after replacing the Timer Microprocessor with
new one
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in order to transmit the
Step
1 While power is ON, short IC7508-4 pin (RESET)
and the GND.
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Operation
"RESET (L)" is transmitted to the reset terminal of Timer Microprocessor
(IC7501-11 pin), then the unit operates normally.
Descriptions