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Daewoo DV-K88 series User Manual

Daewoo DV-K88 series
129 pages
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DAEWOOELECTRONICSCO LTD
Service Manual
Video Cassette Recorder
Model : ALL K-MECHA Hi-Fi
PAL MODELS
(DV-K88
*
Series)
(DV-K86
*
Series)
(DV-K82
*
Series)
(DV-K8K
*
Series)
DAEWOO ELECTRONICS CO., LTD.
OVERSEAS SERVICE DEPT.
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Daewoo DV-K88 series Specifications

General IconGeneral
Video CompressionH.264
Audio CompressionG.711
Hard Drive CapacityUp to 2TB
Input Channels8
Power Supply12V DC
USB PortYes

Summary

SECTION 1. CONTROLS AND FUNCTIONS

SECTION 2. ELECTRICAL ADJUSTMENTS

Servo Circuit Adjustment

Provides the method for adjusting the servo circuit playback phase.

IF Module Circuit Adjustments

Outlines adjustment methods for AFT and RF AGC in the IF module.

SECTION 3. CIRCUIT OPERATION PRINCIPLES

Power Circuit Operation

Explains the DC voltage supply function based on SMPS system.

Video IC Features and Relatives

Details key features of video ICs like LA71511M and LA70011.

SECTION 4. TROUBLESHOOTING FLOW CHART

Power Circuit Troubleshooting

Provides a flowchart for diagnosing power circuit issues.

PIF Circuit Troubleshooting

Offers a flowchart for troubleshooting RF receiving and modulator circuits.

Servo-Syscon Circuit Troubleshooting

Flowcharts for diagnosing servo-syscon circuit issues like picture quality.

Normal Audio Circuit Troubleshooting

Flowcharts for diagnosing 'No Sound' issues in normal audio modes.

Video Circuit Troubleshooting

Flowcharts for diagnosing video signal issues in EE mode.

SECTION 6. µ-COM PORT

SECTION 7. VOLTAGE CHARTS

SECTION 8. SERVICE MODE

SVC Mode for Repair

Details how to enter and use the Service Mode for repair functions.

Timer Check Mode

Explains procedures for checking the timer and VFD segment display.

SECTION 12. ELECTRICAL PARTS LIST

SECTION 13. SERVICE JIG CONNECTION METHODS

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