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Hitachi VM-E635LA User Manual

Hitachi VM-E635LA
102 pages
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Hitachi VM-E635LA Specifications

General IconGeneral
TypeCamcorder
Recording MediumVHS-C
Lens Diameter37 mm
Viewfinder TypeElectronic
Focus AdjustmentAuto/Manual
Minimum Shutter Speed1/60 sec
Display TypeLCD
Microphone Operation ModeStereo
Battery TypeLi-ion
Image Sensor Size1/3 inch
Display Size2.5 inch
Connector TypeS-Video

Summary

Chapter 1: General Information & Specifications

Specifications

Details technical specifications including power, dimensions, weight, and operating conditions.

Maintenance and Inspection Procedures

Required Maintenance

Outlines the necessary maintenance and inspection procedures for the equipment.

Chapter 3: Electric Circuit Adjustment

Connection for Adjustment

Details on how to connect the equipment for performing circuit adjustments.

Camera Section Adjustment Procedures

Check After Replacing Major Components

Procedure to check the camera section after replacing key components.

Initial Setup and MAP Adjustment

How to Set the MAP

Step-by-step guide for setting the MAP (Memory Access Program) for service.

Initial Setting by Model

Procedure for performing the initial settings specific to different models.

Electric Volume and Digital Adjustment Procedures

Electric Volume Adjustment Procedure

Procedure for adjusting the electric volume control.

CDS Sampling Pulse Adjustment Procedure

Procedure for adjusting the CDS sampling pulse.

Digital Adjustment Procedure

Steps for performing digital adjustments on the device.

Video Adjustments: Auto Iris, Matrix, and White Balance

Auto Iris Control Adjustment

Procedure for adjusting the automatic iris control for proper exposure.

Matrix Adjustment

Instructions for adjusting the matrix settings for color accuracy.

White Balance Adjustment

Procedure for setting the white balance for accurate color reproduction.

Chroma Gain and Vectorscope Adjustments

Chroma Gain Adjustment

Procedure for adjusting the chroma (color) gain for accurate color saturation.

Using a Vectorscope

Guidance on using a vectorscope for specific adjustments.

Autofocus and Stabilizer Adjustment Procedures

Auto-focus Adjustment Procedure

Detailed procedure for adjusting the autofocus system.

Zoom Trace Adjustment

Procedure for adjusting the zoom trace for smooth zoom operation.

AF Noise Level Adjustment

Procedure to adjust the noise level for the autofocus system.

Stabilizer Adjustment Procedure

Procedure for adjusting the image stabilizer system.

Spot Noise Adjustment Procedure

Spot Noise Compensation

Procedure to compensate for spot noise in the image.

EVF Adjustment Procedures (CRT)

Deflection Yoke Position Adjustment

Procedure to adjust the deflection yoke position for the EVF.

EVF Vertical Size Adjustment

Procedure to adjust the vertical size of the EVF image.

EVF Focus Adjustment

Procedure to adjust the focus of the EVF.

EVF Adjustment Procedures (LCD)

EVF Voltage, Matrix, and Brightness Adjustments

Procedures for adjusting EVF output voltage, matrix settings, and brightness.

EVF Contrast, Tint, and Chroma Level Adjustments

Procedures for adjusting EVF contrast, tint, and chroma level.

LCD Display and VCR Section Adjustments

Color LCD Display Adjustment

Procedure for adjusting the color LCD display.

VCR Component Locations and System Control Adjustments

Check After Replacing VCR Components

Procedure to verify VCR functionality after replacing major components.

System Control/Servo Circuits Adjustment

Procedures for adjusting system control and servo circuits.

Power and Head Switching Adjustments

Power Shut Off Level (ODC) Adjustment

Procedure to adjust the ODC (Over Discharge Cut) power shut off level.

Head Switching Point Adjustment

Procedure to adjust the head switching point for optimal performance.

Luminance/Chroma Circuit Adjustments

Filter Coefficient Adjustment

Procedure to adjust filter coefficients for signal processing.

E-E Video Signal Level Adjustment

Procedure to adjust the E-E (Electric-to-Electric) video signal level.

White Clip Adjustment

Procedure to adjust the white clip level for video signals.

Carrier Frequency, Deviation, and Record Luminance Adjustments

Carrier Frequency Adjustment

Procedure to adjust the carrier frequency of the FM modulator.

Deviation Adjustment

Procedure to adjust the deviation of the FM modulator.

Record Luminance Adjustment

Procedure to adjust the record luminance signal.

Playback Luminance and Error Message Handling

Playback Luminance Adjustment

Procedure to adjust the playback luminance signal.

Error Messages and Countermeasures

Lists common error messages and their corresponding troubleshooting steps.

Troubleshooting: Errors and Autofocus

VCR Adjustment Error Handling

Specific error messages related to VCR adjustments and their countermeasures.

Troubleshooting Autofocus

Flowchart and guidance for diagnosing and resolving autofocus issues.

Troubleshooting: Focus and Recording Operations

Troubleshooting: No Focus Operation

Flowchart for diagnosing and resolving issues where the device does not focus.

Troubleshooting: No Record Operation

Flowchart for diagnosing and resolving issues where recording does not function.

Chapter 4: Exploded Views

Troubleshooting: No Rear/Front Operation

Flowcharts for diagnosing and resolving issues with rear and front operations.

Chapter 6: Diagrams and Tables

Chapter 6: Block Diagrams

Overall Block Diagram

High-level block diagram showing the main functional units of the camcorder.

Microprocessor Pin Function Tables

Digital Microprocessor (IC1104 D-UP) Pin Functions

Table detailing the pin functions of the digital microprocessor IC.

System Control Microprocessor Pin Functions

System Control Microprocessor (IC901) Pin Functions

Table detailing the pin functions of the system control microprocessor IC.

Cylinder Replacement and Adjustment Procedures

Supply/Take-up Cable Height Adjustment

Procedure to adjust the supply and take-up cable height.

Adjustment After Replacing Cylinder

Steps for performing adjustments after replacing the cylinder.

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