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: IP Camera | Size: 3.14 MB

Table Of Contents2................................................................................................................................................................

Safety Precaution For Repair3................................................................................................................................................................

Cautions3................................................................................................................................................................

Notes When Using Service Manual3................................................................................................................................................................

Value Units Used In Parts List3................................................................................................................................................................

Values In Schematic Diagrams3................................................................................................................................................................

Identifications Of Sides A/b In Circuit Board Diagrams4................................................................................................................................................................

Electrostatic Protection Measures5................................................................................................................................................................

Grounding For Prevention Of Electrostatic Damage5................................................................................................................................................................

Cautions When Handling Optical Pickup5................................................................................................................................................................

Lead-free Solder6................................................................................................................................................................

Characteristics Of Lead-free Solder6................................................................................................................................................................

Solder For Servicing6................................................................................................................................................................

Soldering Iron For Servicing6................................................................................................................................................................

General Description7................................................................................................................................................................

Overview7................................................................................................................................................................

Servicing Method7................................................................................................................................................................

Features7................................................................................................................................................................

Specifications8................................................................................................................................................................

Comparison Of Main Control Ics10................................................................................................................................................................

Description Of Operation11................................................................................................................................................................

Structure Schematics11................................................................................................................................................................

Microprocessor Pin Function Tables12................................................................................................................................................................

Camera Microprocessor12................................................................................................................................................................

Troubleshooting15................................................................................................................................................................

Trouble Diagnosis15................................................................................................................................................................

Setting To Service Position15................................................................................................................................................................

Trouble Diagnosis Flowchart16................................................................................................................................................................

Disassembly And Reassembly25................................................................................................................................................................

Order Of Disassembly25................................................................................................................................................................

Disassembly25................................................................................................................................................................

Adjustment27................................................................................................................................................................

Preparations For Adjustment27................................................................................................................................................................

List Of Equipment And Jigs27................................................................................................................................................................

List Of Test Equipment And Charts27................................................................................................................................................................

Connections For Adjustment28................................................................................................................................................................

Setting Test Equipment29................................................................................................................................................................

Starting Adjustment Program (zmap)29................................................................................................................................................................

List Of Adjustment Items31................................................................................................................................................................

List Of Adjustments Needed After Replacing Major31................................................................................................................................................................

Adjustment Flowchart32................................................................................................................................................................

Data Initialize33................................................................................................................................................................

Electronic Volume33................................................................................................................................................................

Cds Sampling Pulse Adjustment34................................................................................................................................................................

Adjustment (camera Adjustment)34................................................................................................................................................................

Auto Iris Control Adjustment35................................................................................................................................................................

White Balance Adjustment35................................................................................................................................................................

Chroma Gain Adjustment36................................................................................................................................................................

Auto Focus37................................................................................................................................................................

Zoom/focus Tracking Adjustment37................................................................................................................................................................

Af Noise Level Adjustment38................................................................................................................................................................

Check Of Zoom/focus Trace38................................................................................................................................................................

Spot Noise39................................................................................................................................................................

Error Messages And Countermeasure40................................................................................................................................................................

Exploded View And Parts List42................................................................................................................................................................

Exploded View42................................................................................................................................................................

Replacement Parts List43................................................................................................................................................................

Mechanical Parts List43................................................................................................................................................................

Electrical Parts List43................................................................................................................................................................

Schematic, Circuit Board And Block Diagrams47................................................................................................................................................................

Wiring Diagram47................................................................................................................................................................

Schematic Diagrams48................................................................................................................................................................

(for Display)49................................................................................................................................................................

(for Printing) A-a50................................................................................................................................................................

(for Printing) A-b51................................................................................................................................................................

Circuit Board Diagram53................................................................................................................................................................

Pc Circuit Board Diagram53................................................................................................................................................................

Sp Circuit Board Diagram54................................................................................................................................................................

Csr Circuit Board Diagram54................................................................................................................................................................

Identification Parts Location55................................................................................................................................................................

Block Diagrams56................................................................................................................................................................

Overall Block Diagram56................................................................................................................................................................

Power Block Diagram57................................................................................................................................................................