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

Hitachi VK-K274R Service Manual (58 pages)

COLOR & B/W VIDEO CAMERA

Brand: Hitachi | Category: Camcorder | Size: 3.14 MB

Table of Contents

Table of Contents
2
Safety Precaution for Repair

3
General Description

7
- Overview
  7
- Servicing Method
  7
- Features
  7
- Specifications
  8
- Comparison of Main Control Ics
  10
Description of Operation

11
Troubleshooting

15
- Trouble Diagnosis
  15
- Setting to Service Position
  15
- Trouble Diagnosis Flowchart
  16
Disassembly and Reassembly

25
- Order of Disassembly
  25
- Disassembly
  25
Adjustment

27
- Preparations for Adjustment
  27
- List of Equipment and Jigs
  27
- List of Test Equipment and Charts
  27
- Connections for Adjustment
  28
- Setting Test Equipment
  29
- Starting Adjustment Program (ZMAP)
  29
- List of Adjustment Items
  31
- List of Adjustments Needed after Replacing Major
  31
- Adjustment Flowchart
  32
- Data Initialize
  33
- Electronic Volume
  33
- CDS Sampling Pulse Adjustment
  34
- Adjustment (Camera Adjustment)
  34
- Auto Iris Control Adjustment
  35
- White Balance Adjustment
  35
- Chroma Gain Adjustment
  36
- Auto Focus
  37
- Zoom/Focus Tracking Adjustment
  37
- AF Noise Level Adjustment
  38
- Check of Zoom/Focus Trace
  38
- Spot Noise
  39
- Error Messages and Countermeasure
  40
Exploded View and Parts List

42
- Exploded View
  42
- Replacement Parts List
  43
- Mechanical Parts List
  43
- Electrical Parts List
  43
Schematic, Circuit Board and Block Diagrams

47
- Wiring Diagram
  47
- Schematic Diagrams
  48
  - (For Display)
    49
  - (For Printing) A-A
    50
  - (For Printing) A-B
    51
- Circuit Board Diagram
  53
- PC Circuit Board Diagram
  53
- SP Circuit Board Diagram
  54
- CSR Circuit Board Diagram
  54
- Identification Parts Location
  55
- Block Diagrams
  56
- Overall Block Diagram
  56
- Power Block Diagram
  57

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