Sharp VL-H870U Service Manual page 37

VL-H870U
VL-H875U
VL-H890U
6-4. ADJUSTMENT OF CAMERA SECTION
6-4-1. 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
1. Gray Scale Chart
(390 x 520 mm)
2. JiGCHART-1
3. CP
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.
• Connections for Camera Section Servicing
6-4-2. Adjustment procedures
This adjusting procedure covers all the steps for conducting the adjustments all the way. There are some steps that may be skipped,
depending on the specific needs for servicing and adjustment.
1. Checking the power supply voltage
2. Adjusting the auto focus
* Preparation: Set the auto focus adjustment mode.
3. Adjusting the camera signal
1. Adjusting the camera signal
* Preparation: Set the camera signal adjustment mode.
2. Adjusting the iris AE
• Color bar chart
• Color temperature conversion filter
HOYA "LB-165"
• Digital voltmeter
1. Color Bar Chart
(240 x 320 mm)
2. JiGCHART-4
3. DA
18pin
19pin
Connected FPC between the camera
and the VCR.
<Note: The entries of list> 1. Name 2. Part No. 3. Code
1. Color Temperature
Conversion Filter
2. JiGHOYA-LB165
3. BN
LENS
CCD
PWB
19pin 20pin
SC6
SC2
SC3
SC4
3. Adjusting the black balance and AF noise level
4. Adjusting the burst gain
5. Adjusting the white balance
6. Adjusting the color gain
7. Adjusting the out door white balance
6-13
• Halogen light (2 pcs.)
• Color video monitor
• AC adapter
• Service Remote Control
Configuration
1. Service Remote Control
2. RRMCG0033TASA
3. BT
VL-H870U
VL-H875U
VL-H890U