2-1
VPL-ES7
Section 2
Electrical Adjustments
2-1. Preparation
2-1-1. Required Equipment
.
NTSC, PAL, SECAM component signal generator Tektronix TG2000
+
AVG1 (option module)
+
AWVG1 (option module) or equivalent
.
VG (programmable video signal generator) VG828 or equivalent
.
Chroma meter KONICA MINOLTA CL-200
2-1-2. How to Enter the Service Mode
1. Power on the projector.
2. Push the switches on the remote controller or controller panel as below.
[Enter]
→
[Enter]
→
[&]
→
[Enter]
key
3. Service mode menu will appear on the screen.
2-2. Adjustment of Main Board When it is Replaced
2-2-1. Save the Optical Data and Replacement
1. Try to read the optical data from the faulty unit using the Emie Service tool. If succeeded in reading,
replacement of the EEPROM is not necessary but the V COM Adjustment should be performed.
(Refer to “2-5 V COM Adjustment”.)
2. If the optical data could not be read from the faulty unit in step 1, remove the IC (EEPROM) from the
faulty board and replace the IC (EEPROM) of the new board with the removed one.
Reference number: U33, U48 (ES7), U20 (EX7/EX7IN/EX70)
3. Run the RGB and YUV calibration.