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Sony CCD-M8U User Manual

Sony CCD-M8U
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SERVICE MANUAL
 

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  
 
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 
 
 

 

   
   
  
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   
 
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  
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
. 

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




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 
 

K
: 

K
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   
 
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 
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
 
 

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 

 


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    
 
  
  

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
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  
 x  x 


  
  x  x  
x  x 


  
      
   

  
   

      
 
         


  
 
SONY

Table of Contents

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Sony CCD-M8U Specifications

General IconGeneral
Image SensorCCD
ViewfinderElectronic
LCD ScreenNo LCD screen
TypeCamcorder
Battery LifeApprox. 90 minutes
FocusAuto / Manual
MicrophoneBuilt-in

Summary

Specifications

Safety Checks and Warnings

Safety Check-out Procedures

Procedures for ensuring safe operation after repairs.

Safety-Related Component Warning

Identifies critical components for safe operation and replacement guidelines.

General Information and Controls

Power Sources and Battery Charging

Details on power sources, battery types, and charging procedures.

AC Pack and Car Battery Connections

Procedures for connecting AC and car battery power sources.

Cassette Care and Handling

Guidelines for cassette insertion, removal, and tape protection.

Camera Recording Procedure

Step-by-step instructions for recording video with the camera.

White Balance Adjustment and Moisture Condensation Notes

Instructions for white balance and precautions regarding moisture condensation.

Mechanical Adjustments and Disassembly

Diagrams and Block Diagrams

Circuit Boards Location Overview

Diagram showing the location of circuit boards within the camera.

Overall System Block Diagram

High-level block diagram illustrating the entire system architecture.

Camera Block Diagram

Detailed block diagram of the camera subsystem.

Camera Block Diagram (Continued)

Continuation of the detailed block diagram for the camera subsystem.

Video Block Diagram

Detailed block diagram of the video signal processing subsystem.

Video Block Diagram (Continued)

Continuation of the detailed block diagram for the video subsystem.

Servo Block Diagram

Detailed block diagram of the servo control subsystem.

Servo Block Diagram (Continued)

Continuation of the detailed block diagram for the servo subsystem.

System Control Block Diagram

Detailed block diagram of the system control subsystem.

System Control Interface (IC101) Pin Functions

Description of the pin functions for IC101 in the system control.

Audio Block Diagram

Detailed block diagram of the audio processing subsystem.

Power Block Diagram

Diagram illustrating the power distribution throughout the system.

Power Block Diagram (Continued)

Continuation of the power distribution diagram.

Schematics and Printed Wiring Boards

Frame Schematic Diagram

Schematic diagram illustrating the frame circuitry.

Frame Schematic Diagram (Continued)

Continuation of the frame circuitry schematic diagram.

Camera Adjustments

Section covering various camera adjustment procedures.

Track Shifting and Monitoring Jig Connection

Procedure for connecting the track shifting and monitoring jig.

Setting Up for Adjustments

Instructions for setting up the camera and test equipment for adjustments.

Servicing Locations on Boards

Diagrams indicating adjustment points on various circuit boards.

Camera Adjustments (Video Section)

Procedures for video adjustments like flange back, iris, and AGC.

Gamma, White Clip, and Pedestal Adjustments

Procedures for gamma, white clip, and pedestal level adjustments.

MPX, Carrier Balance, and G1/G2 Gain Adjustments

Procedures for MPX, carrier balance, and G1/G2 gain adjustments.

RB1/RB2 Gain, Set-up, Y Level, and Aperture Adjustments

Procedures for RB1/RB2 gain, set-up, Y level, and aperture adjustments.

White Clip (2), Max Gain, and White Balance Adjustments

Procedures for white clip (2), max gain, and white balance adjustments.

Burst Level and Color Reproducibility Adjustments

Procedures for burst level and color reproducibility adjustments.

LLA Adjustment

Procedure for adjusting the LLA (Low Light Amplification) setting.

Mechanical Adjustments

Section detailing various mechanical adjustment procedures.

Phase Adjustment Procedures

Procedure for adjusting the phase of the loading mechanism.

Tape Path Adjustments

Procedures for adjusting the tape path after electrical adjustments.

Rough Tracking Adjustment

Initial adjustment for tracking alignment using RF waveform.

Inlet Side Tracking Adjustment

Detailed adjustment for tracking on the tape inlet side.

Outlet Side Tracking Adjustment

Detailed adjustment for tracking on the tape outlet side.

Tape Path Adjustment Checks

Final checks after tape path adjustments are completed.

Video Adjustments

Procedures for adjusting video system parameters.

Alignment Tapes and Adjustment Order

Details on alignment tapes and the sequence for video adjustments.

MD-10 Board Adjustments

Specific adjustments for the MD-10 board: Ever 5V, Battery Down, Tape End Detection.

Servo System Adjustments

Procedures for adjusting servo system parameters like Capstan DC Bias and RF Switching.

Video System Adjustments

Procedures for Y FM Carrier Frequency and Deviation Adjustments.

AC Clip and REC Y Current Adjustments

Procedures for AC Clip and REC Y Recording Current adjustments.

REC C Recording Current Adjustments

Procedures for REC C Recording Current adjustments (simplified method included).

Audio Adjustments

Procedures for adjusting audio system parameters.

AFM Carrier Frequency and Carrier Level

Adjustments for AFM carrier frequency and checking carrier level.

Deviation Adjustment Procedures

Procedure for adjusting audio deviation levels.

AFM Recording Current, Noise, Frequency Response, AGC, Distortion Checks

Checks for AFM recording current, noise, frequency response, AGC, and distortion.

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