Panasonic PT-VZ570 Service Manual page 68

SECTION 3 ADJUSTMENTS
( For PT-VZ570)
1. 2. 3. Equipment to be used
1. Computer : To set the projector into the polarizer adjuting mode.
2. Communication cable : D-sub 9pin (male/female RS-232C straight)
3. Service Software : "ServiceVZ570" Service software is downloaded from the projector service homepage.
1. 2. 4. Preparation
1. Connect the serial terminals on the projector and the
PC by using a communication cable.
2. Set the projection distance to 1.2 m or above.
3. Disconnect all of FPC cables of LCD panels.(Fig. 3)
4. Set the interlock switch(K8S) (on A-P.C.Board) to the
ON state, and paste the adhesive tape.
* Do not damage the interlock switch.
* Please take this adjustment in the darkest room to
perform preciously.
1. 2. 5. Adjustment
This adjustment should be taken in order of G-panel, R-panel and B-panel.
1. Set the projector to "Normal-Standby" mode (ON(G)/STANDBY(R) indicator is lighting in red).
2. Start up the software "ServiceVZ570.exe" with a PC.
3. Select language and click the [OK] button.
4. 1) Choose the available serial port number on your PC.
2) Choose a model number.
3) Click the [Adjustment] button.
5. Check [ON] and click [Set] button to enter the polarizer adjusting mode. The another confirmation window will appear. Click
[OK] to confirm.
6. Turn the projector on with LCD panel FPC cable opend.
7. Loosen a screw-A on the polarizer holder.
8. Adjust the slot B to obtain the darkest brightness on the screen by using a slot screwdriver.
9 Tighten the screw-A to fix the polarizer holder.(Fig.3)
10. Take adjustment for remaining polarizers in step 7 to 9.
11. After completing the polarizer adjustment, turn the projector off a n d
the "Polarizer Adjustment Mode" is automaticallly set "OFF".
(Do not set "OFF" of `Polarizer Adjustment Mode" while the projector is on.)
Projector Connection terminals
D-Sub 9p (Female)
D-Sub 9p (Male)
k
j
l
close the ServiceVZ570 tool. Once the projector is off,
ADJ-5
Computer
Communication cable (straight)