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Daewoo XG-646 - User Manual

Daewoo XG-646
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Service Manual
DAEWOO DAT CO., LTD.
Mini Component Sound System
Model : XG-645/646/647/648
XG-6483
9CD8304600
May. 2006
ID3
F.SEARCH
SURR
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Summary

Safety Precautions

Electrical and Laser Safety

Covers warnings about electrical shock, laser operation, and proper plug usage.

Appliance Placement and Environment

Guidelines on avoiding water, using carts, mounting, ventilation, and heat sources.

Power, Grounding, and Cord Safety

Instructions on power sources, grounding, cord protection, and protective plugs.

Cleaning and Servicing Safety

Advice on cleaning procedures, servicing by qualified personnel, and antenna grounding.

Appendix - Electrical Part List

PCB Function Assembly Parts

List of components for the PCB Function Assembly, including part codes and descriptions.

PCB MP3 CD Assembly Parts

Components for the PCB MP3CD Assembly, detailing part codes, names, and descriptions.

PCB USB Assembly Parts

Components for the PCB USB Assembly, listing part codes, names, and descriptions.

PCB Front Assembly Parts

Components for the PCB Front Assembly, including part codes, names, and descriptions.

Appendix - Electrical Part List (Continued)

PCB AMP Assembly Parts

Detailed list of components for the PCB AMP Assembly across different models.

Appendix - Electrical Part List (Power & Remote)

PCB Power Assembly Parts

Component list for the PCB Power Assembly, detailing part codes and descriptions.

Remote Control Assembly Parts

List of components for the Remote Control Assembly, including part codes and descriptions.

Summary

Safety Precautions

Electrical and Laser Safety

Covers warnings about electrical shock, laser operation, and proper plug usage.

Appliance Placement and Environment

Guidelines on avoiding water, using carts, mounting, ventilation, and heat sources.

Power, Grounding, and Cord Safety

Instructions on power sources, grounding, cord protection, and protective plugs.

Cleaning and Servicing Safety

Advice on cleaning procedures, servicing by qualified personnel, and antenna grounding.

Appendix - Electrical Part List

PCB Function Assembly Parts

List of components for the PCB Function Assembly, including part codes and descriptions.

PCB MP3 CD Assembly Parts

Components for the PCB MP3CD Assembly, detailing part codes, names, and descriptions.

PCB USB Assembly Parts

Components for the PCB USB Assembly, listing part codes, names, and descriptions.

PCB Front Assembly Parts

Components for the PCB Front Assembly, including part codes, names, and descriptions.

Appendix - Electrical Part List (Continued)

PCB AMP Assembly Parts

Detailed list of components for the PCB AMP Assembly across different models.

Appendix - Electrical Part List (Power & Remote)

PCB Power Assembly Parts

Component list for the PCB Power Assembly, detailing part codes and descriptions.

Remote Control Assembly Parts

List of components for the Remote Control Assembly, including part codes and descriptions.

Overview

  1. Function Description
  2. Important Technical Specifications (derived from part lists)
  3. PCB FUNCTION ASS'Y (XG-645/6/7/8/83)
  4. PCB MP3CD ASS'Y (XG-645/6/7/8/83)
  5. PCB USB ASS'Y (XG-6483, XG-645/6/7/8)
  6. PCB FRONT ASS'Y (XG-6483, XG-645/6/7/8)
  7. PCB POWER ASS'Y (XG-6483, XG-648, XG-647, XG-646)
  8. Usage Features
  9. Maintenance Features

This document is a Service Manual for a Mini Component Sound System, specifically models XG-645, XG-646, XG-647, XG-648, and XG-6483, manufactured by DAEWOO DAT CO., LTD. in May 2006. The manual provides comprehensive information for servicing and maintaining these audio systems.

Function Description:

The device is a mini component sound system, designed for audio playback and likely includes features such as CD/MP3 CD playback, radio tuning, and potentially USB connectivity. The internal structure is broken down into several functional sections:

  • FRONT Section: Likely handles user interface, display, and front panel controls.
  • FUNCTION Section: Manages overall system operations, input selection, and processing.
  • MP3 CD Section: Dedicated to reading and playing MP3 and standard audio CDs, including CD-R/RW compatibility.
  • AMP Section: Responsible for amplifying audio signals to drive speakers.
  • POWER Section: Provides power supply to all components of the system.
  • USB Section: Suggests support for USB devices, likely for playing audio files.

Important Technical Specifications (derived from part lists):

The manual includes detailed electrical part lists for various PCB assemblies, offering insights into the components used:

PCB FUNCTION ASS'Y (XG-645/6/7/8/83):

  • PCB Dimensions: 197 X 122 X 1.6T
  • Diodes: KDS160 (SW CHIP), UDZ5.1B 17X12, UDZ3.6B 17X12 (ZENER CHIP)
  • Transistors: KTC3875Y (TR CHIP)
  • ICs: NJM4558M (PROCESSOR), BD3401KS2 (PROCESSOR)
  • Jacks: RCA (S-436P RED-WHITE, RCA-108 YW)
  • Tuner Module: KST-ML104MV1-E66

PCB MP3CD ASS'Y (XG-645/6/7/8/83):

  • PCB Dimensions: 96X96X1.6T FR-4
  • Diodes: UDZ5.6B 17X12, UDZ3.9B 17X12 (ZENER CHIP)
  • Transistors: KRC107S, KRA107S, KTD1304, KTA1504Y (TR CHIP)
  • ICs: LC78691E (CD MP3), BA5927FM (MOTOR DRIVE), LC87F14C8A (USB DECODER)
  • Coils: HRF8000-CA (R CHIP), HLC220J03A (22uH CHIP COIL 2012)
  • Crystals: 5XJ16R934C (16.9344MHz 20PPM), 5XE12M000J (12.000MHz)

PCB USB ASS'Y (XG-6483, XG-645/6/7/8):

  • PCB Dimensions: 247 X 163 X 1.6T
  • Jacks: RCA-308HG (video Jack), USAF-046N-WP-01 (USB Jack)
  • Switches: SKQNAED010 (TACT)

PCB FRONT ASS'Y (XG-6483, XG-645/6/7/8):

  • PCB Dimensions: 247 X 197 X 1.6T
  • Display: HNA-15MM38 (VFD)
  • Diodes: KDS160 (SW CHIP)
  • Transistors: KTC3875Y, KRC107S, KRC111S, KRA111S, KTD1304 (TR CHIP)
  • ICs: NJM4558M, LC876B48C, M24C04MN SOP, MSGEQ5A, HCF4094M013TR, BA4560F (H/P AMP), HK381BT-DW (PRE AMP)
  • Jack: HTJ-035-18A (H/P)
  • Switches: SKQNAED010 (TACT)
  • Volume/Mic Controls: XV09211NPV20F1B50K (VOL MIC)
  • Encoder: RE0123PVB25FINB 1-2-24 PCE (SW ENCODER)
  • Resonator: ZTT10.00MT (10MHz, 3PIN)
  • Crystal: C38T 32.768KHz 20PPM

PCB POWER ASS'Y (XG-6483, XG-648, XG-647, XG-646):

  • PCB Dimensions: 197X139X1.6T CEM-1
  • Capacitors: DE1307E 472M VA1-KC (FORMING) (C LINE ACROSS)
  • Cord: KKP 419C KLCE-2F 0.75 SQU (AC CORD)
  • Diodes: RL202, KBJ604G, KDS160 (SW CHIP), 1SR154-400 4526 (RECTIFIER), UDZ12B 17X12, UDZ30B 17X12, UDZ10B 17X12, RLZ5.6B (ZENER CHIP)
  • Fuses: VDE N/T 1.25A 250V (XG-645), VDE TL 1.6A 250V MF51 (XG-646), VDE TL 2.5A 250V MF51 (XG-647), VDE TL 3.15A 250V MF51 (XG-648/6483)
  • Transistors: KTC3875Y, KRA111S, KRC107S, 2SA2071, 2SC5824, KTA1046Y (TR CHIP)
  • ICs: L4959, AIC1117-CY (REGULATOR)
  • Transformers: EI=74X42 127/220V, 60/50Hz (XG-645), EI=66X45 230V/50Hz (XG-646), EI=74X52 230V/50Hz (XG-647), EI=74X62 230V/50Hz (XG-648/6483), EI=28X12 230V 50HZ (TRANS POWER)
  • Resistors: 1/2W 4.7M OHM J (METAL FILM), 1W 0.47 OHM (FUSEABLE)
  • Relay: SDT-S-105LMR (SW RELAY)

Usage Features:

The manual emphasizes several safety precautions for proper usage:

  • Environmental Considerations: Avoid exposure to rain or moisture, do not use near water sources, and ensure proper ventilation to prevent overheating. The appliance should be situated away from heat sources.
  • Mounting: Can be used with a cart or stand, or mounted to a wall or ceiling as recommended by the manufacturer.
  • Power Supply: Connect to the specified power supply type. Power cords should be routed to prevent damage. Unplug during long periods of non-use.
  • Antenna Grounding: For outdoor antennas, proper grounding according to NEC Article 810 is crucial for protection against voltage surges and static charges.
  • Object and Liquid Entry: Care should be taken to prevent objects or liquids from entering the enclosure.

Maintenance Features:

The service manual is primarily for qualified service personnel, indicating that most maintenance tasks require professional expertise.

  • Servicing: Only qualified service personnel should remove covers or attempt repairs. The user should not attempt to service the appliance beyond what is described in the operating instructions.
  • Troubleshooting: The manual outlines conditions that require service, such as damaged power cords, objects/liquids entering the appliance, rain exposure, abnormal operation, or physical damage.
  • Cleaning: The appliance should be cleaned only as recommended by the manufacturer.
  • Laser Safety: The unit employs a laser, and only qualified service personnel should handle it to avoid eye injury. Use of controls, adjustments, or procedures other than those specified in the manual may result in hazardous radiation exposure.
  • Replacement Parts: If replacement of the plug is required, a service technician must use a replacement plug specified by the manufacturer with the same overload protection. The appendix includes a detailed electrical part list for various PCBs, which is essential for component replacement during maintenance.

Daewoo XG-646 Specifications

General IconGeneral
BrandDaewoo
ModelXG-646
CategoryMini component system
LanguageEnglish

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