Nikon NR-5500 Manuale di riparazione - Pagina 21

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TEST PROGRAM

p— [+000] — [+012] -> [+025] — [+037] -*••••

[+100]

0. OOD

+0. 12D

+0. 2 5 D

+0. 37D

+1. OOD

— [-012]

[-062] «- [-075] «- [-087] — [-100] --

-0. 1 2 D

-0. 62D

- 0 7 5 D

-0. 37D

-1. OOD

After establishing the shifting amount, turn DIP switch No. 5 located on the

right side of the Main body to the ON position and press the [SET] key.

The amount of parallel shifting will then be stored in the EEPROM and two short

beeps will be heard. Then return DIP switch No. 5 to the OFF position.

5 .RETRO mode (RETRO image brightness adjustment)

At RETRO mode, screen image brightness and anterior illumination intensity canbe

adjusted.

(1) Connect cables.

• Using co - axial cable tool

Connect the auxiliary monitor output (J3) on the CPU board and the CHANNEL 1

on a oscilloscope.

• Using oscilloscope's probe

Connect a probe to No.l pin at J3 connector.

Connect a ground cable to No.2 pin at J3 connector.

* Do not make a short circuit to prevent from a CPU damage.

(2) Oscilloscope setting

*Use a CHANNEL 1.

• Each setting as follows.

SEC(TIME)/DIV --*

2 ms or 5 ms.

VOLTS/DIV

—->

0. 2 V AC.

(D Preparation for NR - 5500

• Attach a front cover. Unit must have the dust protection glass.

• Mount a model eye on a forehead rest bar.

• Align a model eye correctly.

• Get a regular measuring mode and then set a RETRO mode with pressing the [RET]

key.

C6 - 1 5]

Repair Manual