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General| Screen Size | 32 inches |
|---|---|
| Display Type | LED |
| Resolution | 1366 x 768 |
| Refresh Rate | 60 Hz |
| HDMI Ports | 2 |
| USB Ports | 1 |
| Smart TV | No |
| Audio Output | 10W x 2 |
Read safety precautions before servicing.
Special safety-related characteristics of parts.
General advice for safe servicing procedures.
Procedure and circuit for checking AC leakage current.
General precautions for servicing the receiver.
Handling precautions for ES devices to prevent damage.
Guidelines for proper soldering techniques and tools.
Procedures for replacing various electronic components.
Techniques for repairing damaged circuit board copper patterns.
Applies to LB31J chassis; specifies test conditions.
Market, broadcasting systems, channel storage, and input types.
Specifications for component video and HDMI inputs, including EDID.
Applies to LB31J chassis; details adjustment order and conditions.
PCB check, boot file, and USB software download procedures.
ADC calibration protocols and functional checks.
Preparation steps, color specs, and aging time tables.
Directions for auto-control and RS-232C map.
Manual W/B, DDC EDID write, and EDID data details.
Downloading EDID/model options and performing GND/HI-POT tests.
Procedures for testing 3D function and EYE-Q sensor.
Block diagrams illustrating side and rear connectors and components.
Safety notice regarding special parts replacement.
Test points for CI slot, SCART, Headphone, S2, and FE_TS_DATA.
Diagrams for power blocks including panel, DDR, and core voltages.
Schematic detailing the USB connection on the side of the TV.
Diagrams for HDMI 1, CEC, and MHL connections.
Schematic diagram for the headphone audio output.
Multi-option tuner configurations and LNA filter settings.
Schematics for AV2 and component inputs, including protection circuits.
Schematics for the NTP7513 audio amplifier ICs.
Pinout diagram for the MSTAR debug 4-pin connector.
Schematic illustrating the RS-232C communication interface.
Diagrams for IR receiver, LED indicators, and control signals.
Schematic detailing the main power supply section.
Schematic diagram for DDR1600 2G NANY memory module.
Schematic diagram for DDR1600 2G HYNIX memory module.
Schematic for serial flash memory used in SPI boot configurations.
Pinouts and configurations for LVDS connectors and reverse modes.
Flowchart for diagnosing no video/normal audio errors.
Flowchart for diagnosing no video/no audio errors.
Flowchart for diagnosing picture breaking or freezing.
Flowchart for tuning failures and picture anomalies.
Steps to diagnose and resolve color errors using test patterns.
Flowchart for display issues like bars, residual images, or light spots.
Flowchart for diagnosing 'No Power' errors.
Flowchart for unexpected power off issues.
Flowchart for diagnosing no audio with normal video.
Flowchart for audio distortion, dropouts, or noise.
Flowchart for remote control and key errors.
Flowchart for issues with external device recognition.
Steps to identify and resolve noise problems.
Steps to address exterior damage.
Procedure to check LCD backlight for video errors.
Procedure to measure inverter B+ voltage for video errors.
Procedure to check and adjust white balance settings.
Procedure to measure power board voltages for video errors.
Procedure to check tuner input signal strength.
Procedure to check the LCD-TV software version.
Diagram showing LCD TV input connections.
Procedure to check and replace the LVDS cable and connections.
Using ADJ Key to view test patterns for color errors.
Check the front display LED status for no power.
Check power input voltage and ST-BY 3.5V for no power.
Check method when power is ON for no power.
Check POWER OFF MODE for power issues.
Check menu settings for no audio issues.
Check voltage and speaker condition for no audio.
Check IR cable and 3.5V for remote control errors.
