Sharp XV-Z9000U Supplemental Service Manual page 3

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3) Modifying the hardware

» Remove the PC interface board from the unit. Make the following modifications.

(1) Add two jumper leads.

Connect one jumper between TL88 and TL136 and the other between TL87 and TL140. Apply

adhesive to the specified points to secure the jumpers. Refer to the attachment file "0051 Modi-

fications".

(2) Change the resistor constants.

Change the constants of the following jumper resistors on the board.

R82:

R69, R93 and R94: 0 ohm → abolished

R76:

For more details, refer to the attachment file 0051 Modifications.

4) Updating the programs

» Get the following two programs updated.

Main program

CVIC program

The reprogramming procedures are the same as for the projector data program. Refer to the attach

ment file "Z9000Manual.doc".

5) Checking and readjusting the process data

» Enter the process mode again and check the parameters jotted down in Step 2 above.

A / D : A/D converter input setting

DLP : Background setting

DTV : Component mode A/D setting

If any of them has been accidentally deleted, reenter the same value.

» Enter the process menu "SSS" and click on "S2".

» For readjusting the video line, refer to the Service Manual.

Feed the NTSC video signal to the "INPUT4" pin. Make sure the signal has clear white level

(100% white) and black level (0% black) (setup at 0%). Select "VIDEO1" on the process menu.

Adjust the "BRIGHT" setting until a bit dropout occurs at the black side. Then adjust the "CON-

TRAST" setting until a bit dropout occurs at the white side.

» Enter the process menu "SSS", click on "S4" and exit from this process.

Not mounted → 0 ohm

Not mounted → 47 ohms

Z9000_020220.bhx

cvic_AB_Z9000_1219al.bhx

XV-Z9000U/E

SUPPLEMENT

Xv-z9000e