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2.4.3. Removal of the Duct Blue Unit
1. Remove 2 screws (D) as shown in Fig. 2-4-5.
2. Detach 2 tapes which is fixing the cable of the Temperature Fuse.
3. Remove the Duct Blue Unit carefully.
Fig. 2-4-5
2.4.4. Removal of the Duct Red/Green Unit and
Thermistor PWB
1. Remove 3 screws (E) as shown in Fig. 2-4-6.
2. Detach a tape which is fixing the cable of the Temperature Fuse.
3. Remove the Duct Red/Green Unit carefully.
4. Remove a screw (F) and the Thermistor PWB.
Fig. 2-4-6
Assembly Note:
After Installing the Duct Red/Green Unit, fix the cable of the
Temperature Fuse in the original position as shown in Fig. 2-4-6.
LX-P1010ZU/ZE
2.2.5. Removal of the Lens, Optical Block Unit
and Prism/LCD Unit
1. Remove 4 screws (G) as shown in Fig. 2-4-7.
2. Remove the Prism/LCD Unit with the Lens carefully.
3. Remove 4 screws (H) and separate the Lens from the Prism/
LCD Unit.
Fig. 2-4-7
2.4.6. Removal of the Flat Fan
1. Remove a screw (I) as shown in Fig. 2-4-8.
Fig. 2-4-8
(PA014) 12
LX-P1010ZU/ZE
3 ADJUSTMENT PROCEDURES
The attached card remote controller becomes necessary to
adjust the following.
Keep the card remote controller also together with the product
to be repaired.
3.1. INITIAL GUIDE LINE
The tables below show adjustments which will be necessary
according to the unit parts and optical parts to be replaced.
Make sure to perform these adjustments shown below as
necessary.
If you replace:
Adjustments
MAIN PWB
(3-4-1), 3-4-2, 3-4-3, 3-4-4, 3-4-5, 3-4-6,
3-4-7, 3-4-8
OPTICAL BLOCK UNIT 3-4-9
POLARIZER UNIT
3-4-10
List of necessary adjustments
3-4-1
LCD VOLTEGE ADJUSTMENT
3-4-2
RGB INPUT LEVEL ADJUSTMENT
3-4-3
VIDEO INPUT LEVEL ADJUSTMENT
3-4-4
COMPONENT VIDEO COLOR ADJUSTMENT
3-4-5
LCD COMMON ADJUSTMENT
3-4-6
WHITE LEVEL ADJUSTMENT
3-4-7
BLACK LEVEL ADJUSTMENT
3-4-8
WHITE BALANCE ADJUSTMENT
3-4-9
FULL MIRROR ADJUSTMENT
3-4-10
POLARIZER ADJUSTMENT
Notes:
1. ( ) : Items which need the confirmation when replaced.
2. When any adjustments 3.4.1. through 3.4.4. are necessary,
please refer to "Preparation for Adjustments 5.4.1. through
3.4.4.".
3. When any adjustments 3.4.5. through 3.4.8., 3.4.11. and
3.4.12. are necessary, please refer to "Preparation for
Adjustments 3.4.5. through 3.4.8., 3.4.11. and 3.4.12.".
3.1.1. The "FACTORY ADJUST" mode
All Electrical Adjustments are performed on the "FACTORY
ADJUST" mode which is used remote control unit instead of
variable resistor to control the adjustment value.
1. Connect a jumper wire between TP2017 and TP2018 on Main
PWB for over 5 seconds to enter the "FACTORY ADJUST"
mode.
2. Press the POWER button on remote control once.
3. While "Please press POWER button again to power off." is
displayed, press the MENU button.
4. Press 5 or ∞ button on remote control to select and press the
ENTER button to set the item to be adjusted.
Note:
Do not adjust all items in "DIGITAL ADJUST", and VIDEO BRIGHT
in "VIDEO/RGB ADJUST", and GAMMA R, G, B in "LCD/FAN
ADJUST".
13 (PA014)
Fig. 3-1-1
Fig. 3-1-2
Fig. 3-1-3
3.2. TEST EQUIPMENT
To do all of these adjustments, the following equipment is required.
1. Dual-Trace Oscilloscope
Voltage Range : 0.001 - 50 V/Div.
Frequency Range : DC - 50 MHz
Probes : 10:1, 1:1
2. NTSC Video Pattern Generator
4. (+) Screwdriver and (-) Screwdriver
5. Standard Screen
6. DVM (Digital Volt Meter)
7. Programmable Video Signal Generator
8. Test pattern signal (Service Engineerring Section,System
Engineerring Dept. JVC Projection & System Network
Business Unit.(AVS)Consult with (AVS).)
9. Luminance Color Meter/Chroma Meter/Chroma Meter and
Data Processor
(Recommended meter:
• Luminance Color Meter, BM-7 made by TOPCON
• Chroma Meter, CL-200 made by MINOLTA
• Chroma Meter and Data Processor, CL-100,DP-100,
made by MINOLTA)
10. Jumper wire
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