Adjustment > Creating Reference Data

6-1-2 Power Supply and Materials for Creating Reference Data

1)DVD video camera/recorder that is the same model as the one to be adjusted and whose camera block is operating normally.

Note:

It is recommended that you use a brand-new unit of the same model when creating the reference data. If such a unit is not available, use the same model of the DVD video camera/recorder that is received from customer for repairing fault in disc drive that is other than in the camera block, and one where there is no problem in recording of camera image and the zoom is operating normally.

2)3100 K light box (maintenance is necessary)

3)Color monitor (color TV with AV input jacks)

4)DC power supply for DSP-R jig (5 V/1 A)

6-1-3 Connections when Creating Reference Data

Connect the DVD video camera/recorder (for creating reference data), jigs and test equipment as shown in Fig. 6-1-1.

Prohibition:

Assemble the DVD video camera/recorder completely, and create reference data with only the adjustment cover removed (see Fig. 6-1-1).

Do not attempt to create reference data with the DVD video camera/recorder disassembled: Doing so is very dangerous because the DVD video camera/recorder incorporates high-voltage circuits and a laser emitter block.

(1)Setting of light box

1)Use a light box whose color temperature is controlled with no flickering: Using an inappropriate light box will interference with work.

(2)Setting and disassembly of DVD video camera/recorder

1)Refer to “(1) Adjustment cover” in “5-3 Disassembly” for how to remove the adjustment cover.

2)Set the light box 30-50 cm away from DVD video camera/recorder, and eliminate any effects from surrounding light, except where such designation is given.

3)Set the lens surface of DVD video camera/recorder in parallel with the surface of light box as far as possible, and adjust the focus.

4)Use a small tripod to fix the DVD video camera/recorder, making certain it does not move during creation of reference data.

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Hitachi service manual Power Supply and Materials for Creating Reference Data, Connections when Creating Reference Data
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