Panasonic DMR-EH80VEG - Caution After Replacing Parts (DVD); After Replacing RAM Drive; After Replacing Timer Microprocessor; After Replacing EEPROM (IC37502)

17 (DVD) CAUTION AFTER REPLACING PARTS
17.1. (DVD) AFTER REPLACING THE RAM DRIVE
After replacing of RAM drive unit, TEST mode is not necessary. Please confirm operation for RAM drive.
In this case, all parameters are initialized.
17.2. (DVD) AFTER REPLACING THE TIMER MICROPROCESSOR
When the unit does not operate normally after replacing the Timer Microprocessor or Main P.C.B. with new one, reset Timer
Microprocessor.
Step Operation Descriptions
1 While power is ON, short IC37508-4 pin (RESET_OUT) and the GND
momentarily.
“RESET (L)” is transmitted to the XRESET terminal of
Timer Microprocessor (IC37501-11 pin), then the unit
operates normally.
17.3. (DVD) AFTER REPLACING EEPROM (IC37502)
IC37502 has clock setting data, Tuning data, Self-Diagnosis data (DVD & VHS) and VHS PG Shifter adjustment data.
Therefore after replacing IC37502, PG Shifter should be adjusted (refer to 18.1).
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DMR-EH80VEG / DMR-EH80VEB