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LG LH-T552SB User Manual

LG LH-T552SB
59 pages
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DVD/CD RECEIVER
SERVICE MANUAL
MODEL : LH-T552SB
LHS-55SBC, LHS-55SBS,
LHS-55SBW
MODEL : LH-T552SB LHS-55SBC, LHS-55SBS, LHS-55SBW
SERVICE MANUAL
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LG LH-T552SB Specifications

General IconGeneral
TypeCar Receiver
Max Power Output50W x 4
TunerFM/AM
CD PlaybackYes
MP3 PlaybackYes
USB PortYes
BluetoothNo
Aux InputYes
Display TypeLCD
BrandLG
ModelLH-T552SB
Supported MediaCD, MP3, USB
EqualizerYes

Summary

SECTION 1. GENERAL

SERVICING PRECAUTIONS

Precautions for handling and servicing, emphasizing care with sensitive components.

NOTES REGARDING COMPACT DISC PLAYER REPAIRS

Essential notes for repairing CD players, focusing on static electricity prevention.

ESD PRECAUTIONS

Guidelines to prevent damage to electronic components from electrostatic discharge.

SPECIFICATIONS

Technical details and operating parameters of the DVD/CD receiver unit.

SECTION 2. AUDIO PART

AUDIO TROUBLESHOOTING GUIDE

Step-by-step troubleshooting for audio issues, starting with power supply.

CIRCUIT DIAGRAMS

Includes wiring, block, schematic, and PCB diagrams for system analysis.

SECTION 3. DVD & AMP PART

ELECTRICAL TROUBLESHOOTING GUIDE

Guide to diagnose and resolve electrical issues in the DVD and amplifier sections.

TEST & DEBUG FLOW

Systematic procedure for testing and debugging the device's functionality.

SYSTEM WAVEFORM ANALYSIS

Analysis of waveforms for system clocks, resets, and I/O signals.

DVD & AMP SCHEMATIC DIAGRAMS

Detailed schematics for DVD, MPEG, DSP, RF, MIC, USB, and AMP circuits.

SECTION 4. EXPLODED VIEWS

CABINET AND MAIN FRAME SECTION

Exploded view of the unit's outer casing and main internal frame.

DECK MECHANISM EXPLODED VIEW

Detailed exploded view of the disc deck mechanism components.

PACKING ACCESSORY SECTION

Exploded view and list of packing accessories included with the unit.

SECTION 5. SPEAKER SECTION

CENTER SPEAKER

Exploded view and parts breakdown for the center speaker unit.

FRONT/REAR SPEAKER

Exploded view and parts breakdown for the front and rear speaker units.

SUB WOOFER SPEAKER

Exploded view and parts breakdown for the subwoofer speaker unit.

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