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VK-K274R
Hitachi VK-K274R Manuals
Manuals and User Guides for Hitachi VK-K274R. We have
1
Hitachi VK-K274R manual available for free PDF download: Service Manual
Hitachi VK-K274R Service Manual (58 pages)
COLOR & B/W VIDEO CAMERA
Brand:
Hitachi
| Category:
Camcorder
| Size: 3.14 MB
Table of Contents
2
Table of Contents
3
Safety Precaution for Repair
3
Cautions
3
Notes When Using Service Manual
3
Value Units Used in Parts List
3
Values in Schematic Diagrams
4
Identifications of Sides A/B in Circuit Board Diagrams
5
Electrostatic Protection Measures
5
Grounding for Prevention of Electrostatic Damage
5
Cautions When Handling Optical Pickup
6
Lead-Free Solder
6
Characteristics of Lead-Free Solder
6
Solder for Servicing
6
Soldering Iron for Servicing
7
General Description
7
Overview
7
Servicing Method
7
Features
8
Specifications
10
Comparison of Main Control Ics
11
Description of Operation
11
Structure Schematics
12
Microprocessor Pin Function Tables
12
Camera Microprocessor
15
Troubleshooting
15
Trouble Diagnosis
15
Setting to Service Position
16
Trouble Diagnosis Flowchart
25
Disassembly and Reassembly
25
Order of Disassembly
25
Disassembly
27
Adjustment
27
Preparations for Adjustment
27
List of Equipment and Jigs
27
List of Test Equipment and Charts
28
Connections for Adjustment
29
Setting Test Equipment
29
Starting Adjustment Program (ZMAP)
31
List of Adjustment Items
31
List of Adjustments Needed After Replacing Major
32
Adjustment Flowchart
33
Data Initialize
33
Electronic Volume
34
CDS Sampling Pulse Adjustment
34
Adjustment (Camera Adjustment)
35
Auto Iris Control Adjustment
35
White Balance Adjustment
36
Chroma Gain Adjustment
37
Auto Focus
37
Zoom/Focus Tracking Adjustment
38
AF Noise Level Adjustment
38
Check of Zoom/Focus Trace
39
Spot Noise
40
Error Messages and Countermeasure
42
Exploded View and Parts List
42
Exploded View
43
Replacement Parts List
43
Mechanical Parts List
43
Electrical Parts List
47
Schematic, Circuit Board and Block Diagrams
47
Wiring Diagram
48
Schematic Diagrams
49
(For Display)
50
(For Printing) A-A
51
(For Printing) A-B
53
Circuit Board Diagram
53
PC Circuit Board Diagram
54
SP Circuit Board Diagram
54
CSR Circuit Board Diagram
55
Identification Parts Location
56
Block Diagrams
56
Overall Block Diagram
57
Power Block Diagram
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