RQT8017-R datasheet(30/71 Pages) PANASONIC

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13 Caution after replacing parts

13.1. After replacing the RAM Drive with new one

13.2. When the unit does not operate normally after replacing the Timer

Microprocessor or Main P.C.B.

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

While power is ON, short IC7502-4 pin (RESET) and the GND

momentarily.

“RESET (L)” is transmitted to the XRESET of Timer

Microprocessor (IC7501-11 pin), then the unit operates

normally.

14 Standard Inspection Specifications after Making Repairs

After making repairs, we recommend performing the following inspection, to check normal operation.

No.

Procedure

Item to Check

Turn on the power, and confirm items pointed out.

Items pointed out should reappear.

Insert RAM disc.

The Panasonic RAM disc should be recognized.

Enter the EE (TU IN / AV IN - AV OUT) mode.

No abnormality should be seen in the picture, sound or operation.

Perform auto recording and playback for one minute using the RAM

disc.

No abnormality should be seen in the picture, sound or operation.

*Panasonic DVD-RAM disc should be used when recording and

playback.

If a problem is caused by a VCD, DVD-R, DVD-Video, Audio-CD, or

MP3, playback the test disc.

No abnormality should be seen in the picture, sound or operation.

After checking and making repairs, upgrade the firmware to the

latest version.

Make sure that [FIRM_SUCCESS] appears in the FL displays.

*[UNSUPPORT] display means the unit is already updated to

newest same version. Then version up is not necessary.

Transfer [9][9] in the service mode setting, and initialize the service

settings (return various settings and error information to their

default values. The laser time is not included in this initialization).

Make sure that [CLR SERV] appears in the FL display.

After checking it, turn the power off.

When replacing of RAM drive, transfer [9] [5] in the service mode

setting to delete Laser used time.

Make sure that [CLR LASER] appears in the FL display.

After that, turn power off.

Use the following checklist to establish the judgement criteria for the picture and sound.

Item

Contents

Check

Item

Contents

Check

Picture

Block noise

Sound

Distorted sound

Crosscut noise

Noise (static, background noise, etc.)

Dot noise

The sound level is too low.

Picture disruption

The sound level is too high.

Not bright enough

The sound level changes.

Too bright

Flickering color

Color fading

DMR-ES10EB / DMR-ES10EC / DMR-ES10EG / DMR-ES10EP / DMR-ES10EBL

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