Sharp VL-E610S Service Manual page 51

8. COM-BIAS adjustment
Measuring point LCD panel display surface
Address 45
Mode VCR AV input
Adjusting method 1)Input the white 40% signal as an AV input, and set data of address 47 at the address 80.
2)Set the illuminometer (TOPCON IM-3) on the LCD panel surface (do not allow entry of external
light).
3)Connect the illuminometer to the oscilloscope.
4)Make an adjustment so as to minimize the ripple of output waveform.
Response time: 0.6 sec
5) Adjust again if longitudinal stripe appears evidently.
* Or set to the point where the black is settled deepest with the grey scale signal.
Adjustment standard Minimum
Remarks Make an adjustment after aging for 5 minutes or more.
9. W/B adjustment
Measuring point LCD panel display surface
Address 41, 42
Mode VCR AV input
Adjusting method 1) White fade signal input.
2) Adjust so as to get the same white screen as that of standard monitor. (Adjust again, visually
checking as stated in item 2.3.)
Adjustment standard Standard monitor
Remarks Make an adjustment after aging for 5 minutes or more.
5-2. ADJUSTMENT OF CAMERA SECTION
5-2-1. Servicing of camera section
(1) Object, measuring instrument and jigs necessary for camera section servicing
• Gray scale chart
• Vectorscope
• Extension cable
• Oscilloscope
• Video output cable
NO.
1 Gray Scale Chart (390 x 520 mm)
2 Color Bar Chart (240 x 320 mm)
3 Color Temperature
Conversion Filter
4 Service Remote Control
Note:
1. Color temperature conversion filter (jig item No.3) may be obtained from HOYA Optics in your local market.
2. N: Indicates the new jigs.
• Color bar chart
• Color temperature conversion filter HOYA "LB-165"
• Digital voltmeter
• Halogen light (2 pcs.)
• Color video monitor
Item
• AC adapter
• Service Remote Control
Part Cord Price
Code
JiGCHART-1 CP
JiGCHART-4 DA
JiGHOYA-LB165 BN
RRMCG0033TASA BT
5-13
VL-E610S/VL-E610H
VL-E660S/VL-E96E
VL-E98E
Configuration Note