Samsung MM-G25 Service Manual

SERVICE
Manual
Micro Component
Audio System
Model Name : MM-G25
Model Code : MM-G25T/XAP
Micro Component Audio System
Refer to the service manual in the GSPN (see the rear cover) for the more information.
CONTENTS
1. Precaution
2. Product Specification
3. Disassembly & Reassembly
4. Troubleshooting
5. Exploded View & Part List
6. PCB Diagram
7. Schematic Diagram
MM-G25

Samsung MM-G25 Specifications

General

Equalizer	Yes
RMS rated power	120 W
Audio output channels	2.0 channels
Audio formats supported	MP3, WMA
Supported radio bands	FM
Preset stations quantity	30
Optical disc player type	DVD player
Weight	5600 g
Dimensions (WxDxH)	260 x 170 x 134 mm
USB version	2.0
USB ports quantity	1
Package weight	6800 g

Summary

Precaution

Safety Precautions

Follow safety rules to prevent electrical shock and damage.

Servicing Precautions

Guidelines for safe and proper servicing procedures.

Precautions for Electrostatically Sensitive Devices (ESDs)

Methods to prevent damage to ESD-sensitive components.

Product Specification

Product Feature

Details on the features and capabilities of the audio system.

Specifications

Technical specifications including audio, power, and dimensions.

Specifications Analysis

Comparative analysis of specifications across different models.

Supplied Accessories

List of accessories included with the product.

Disassembly & Reassembly

Overall Disassembly & Reassembly

Step-by-step guide for disassembling and reassembling the unit.

Troubleshooting

Checkpoints by Error Mode

Diagnostic flowcharts for identifying issues based on error modes.

MICOM, MPEG Initialization & Update

Procedures for initializing and updating firmware.

Buyer-Region Code Setting Method

Instructions for setting the region code using the remote control.

Exploded View & Part List

Exploded View

Diagrams showing the assembly of the product's components.

Speaker System

Details and parts list for the speaker system.

Electrical Part List

Comprehensive list of electrical components with part numbers.

PCB Diagram

Wiring Diagram

Overview of connections between different PCBs.

FRONT PCB Top

Top view layout of the front PCB with component placements.

FRONT PCB Bottom

Bottom view layout of the front PCB with component placements.

TAPE PCB Top

Top view layout of the tape PCB with component placements.

TAPE PCB Bottom

Bottom view layout of the tape PCB with component placements.

MAIN PCB Top

Top view layout of the main PCB with component placements.

MAIN PCB Bottom

Bottom view layout of the main PCB with component placements.

MPEG PCB Top

Top view layout of the MPEG PCB with component placements.

MPEG PCB Bottom

Bottom view layout of the MPEG PCB with component placements.

Schematic Diagram

Overall Block Diagram

Block diagram illustrating the system's overall architecture.

FRONT

Schematic diagram for the front section of the unit.

TAPE

Schematic diagram for the tape deck section.

MAIN

Schematic diagram for the main control section.

MPEG

Schematic diagram for the MPEG processing section.

SMPS

Schematic diagram for the Switched-Mode Power Supply.