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Samsung SCM-6700 User Manual

Samsung SCM-6700
49 pages
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©
Samsung Electronics Co., Ltd. Aug. 1996. Code No. AH68-20126A
MUSIC CENTER
1. Precautions
2. Specifications
3. Disassembly and Reassembly
4. Alignment and Adjustments
5. Special Circuit Descriptions
6. Troubleshooting
7. Exploded Views and Parts List
8. Electrical Parts List
9. Block Diagrams
10. PCB Diagrams
11. Wiring Diagram
12. Schematic Diagrams
MONO/ST
CLOCK
TIMER
TUNING
TUNER
TAPE
CD
PHONO
VOLUME
BAND
PRESET/MANUAL
MEMORY
CLASSIC POPS ROCK
EQ PRESET
PLAY/PAUSE
STOP/CLEAR
HI-SPEED DUBBING
OPEN/CLOSE
DISPLAY
INTRO
SKIP
SEARCH
REPEAT
RANDOM
ON/STANORY
POWER
DECK 1
REC/PLAY
PLAYBACK
DECK 2
HIGH SPEED DUBBING CONTINUOUS PLAY
PHONES
REC PLAY REW STOP/EJ PAUSEF.FWD PLAY REW F.FWD STOP/EJ PAUSE
SERVICE
Manual
MUSIC CENTER
SCM-6700
CONTENTS

Table of Contents

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Samsung SCM-6700 Specifications

General IconGeneral
BrandSamsung
ModelSCM-6700
CategoryStereo System
LanguageEnglish

Summary

Precautions

1-1 Safety Precautions

Essential safety measures to follow during servicing and operation.

Leakage Current Hot Check

Procedure for testing electrical leakage current.

Insulation Resistance Cold Check

Procedure for checking insulation resistance.

1-2 Servicing Precautions

Guidelines and precautions for performing service procedures safely.

1-3 Precautions for Electrostatically Sensitive Devices (ESDs)

Measures to protect components sensitive to static discharge.

1-4 Special Precautions and Warning Labels for Laser Products

Safety measures specific to laser product handling and warnings.

Specifications

General and Amplifier Specifications

Overall technical specs and amplifier section details.

Tuner Specifications

Technical details for FM, MW, and LW tuner bands.

Cassette and CD Specifications

Technical details for cassette and CD player sections.

Disassembly and Reassembly

3-1 Turn-Table, Cabinet-Front, Cabinet-Bottom

Instructions for disassembling cabinet parts and turntable.

3-2 Deck-CD, Front-PCB, Cassette-Deck, Door-Cassette

Steps to remove CD deck, front PCB, cassette deck, and door.

3-3 Cabinet-Bottom and Main-PCB

Procedures for removing the cabinet bottom and main PCB.

3-4 CD Pack

Detailed instructions for disassembling the CD pack mechanism.

3-5 CD Deck

Steps for disassembling the CD deck components.

Alignment and Adjustments

4-1 Tuner Alignment

Alignment and adjustment procedures for the tuner section.

FM Alignment Procedures

Procedures for adjusting FM THD, search level, and stereo.

Test Equipment and AM Alignment

Test equipment and procedures for AM tuner alignment.

4-2 Cassette Deck Adjustments

Alignment and adjustment procedures for the cassette deck.

Recording Bias Adjustment

Procedure for adjusting the recording bias.

4-3 CD Player Adjustments

Procedures for CD focus, tracking, and E/F balance adjustments.

CD Adjustments Procedures

Procedures for adjusting CD focus bias, gain, and tracking.

Troubleshooting

6-1 Main Unit Troubleshooting

Troubleshooting steps for power malfunctions and no-sound issues in FM/AM.

6-1-1 Power Malfunction

Troubleshooting steps for power-related issues.

6-1-2 FM No Sound

Steps to diagnose and fix FM no-sound problems.

6-1-3 AM No Sound

Steps to diagnose and fix AM no-sound problems.

6-1-4 Tape Not Playing

Troubleshooting guide for tape playback issues.

6-1-5 Audio Output Problem

Steps to resolve audio output malfunctions.

6-2 CD Player Troubleshooting

Troubleshooting specific to CD player functions.

6-2-1 Malfunction of DISC Revolution

Steps to fix issues with disc rotation.

6-2-2 Malfunction of Audio output

Troubleshooting steps for CD audio output problems.

Exploded Views and Parts List

7-1 Cassette View and Parts List

Exploded view and parts list for the cassette mechanism.

7-2 Main Exploded View and Parts List

Exploded view and parts list for the main unit assembly.

7-3 CD Pack Parts List

Parts list for the CD pack assembly.

7-4 CD DECK ASS'Y Parts List

Parts list for the CD deck assembly.

7-5 Turn Table ASS'Y Parts List

Parts list for the turntable assembly.

Electrical Parts List

Block Diagrams

9-1 Main System Block Diagram

High-level functional overview of the unit's main architecture.

9-2 CD System Block Diagram

Block diagram for the CD playback system.

9-3 IC & TR Internal Diagrams

Internal schematic diagrams for integrated circuits and transistors.

Microcontroller and DSP Diagrams

Pinout and function details for key microcontrollers and DSPs.

9-3-2 CD IC Diagrams

Internal diagrams for CD-related ICs like NIC9270 and NIC9258.

KA9220 NIC9220 Block Diagram

Pinout and function list for the NIC9220 ASSP.

KS9282 NIC9282 Block Diagram

Pinout and function list for the NIC9282 DSP.

PCB Diagrams

10-3 CD PCB Layout

Component layout diagrams for the CD PCB, top and bottom views.

10-3-1 CD PCB Top View

Component layout diagram for the top view of the CD PCB.

10-3-2 CD PCB Bottom View

Component layout diagram for the bottom view of the CD PCB.

Wiring Diagram

Schematic Diagrams

12-1 Main Schematics

Overall schematic diagram for the main unit's electrical circuits.

12-2 CD Schematics

Schematic diagram for the CD playback section's electrical circuits.

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