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Samsung HG55NT678UF User Manual

Samsung HG55NT678UF
111 pages
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UHD TV
SERVICE
Manual
Hospitality Displays Contents
1. Precautions
2. Product specications
3. Disassembly and Reassembly
4. Troubleshooting
5. Wiring Diagram
HG50NT678UF
Project : HT670U
Chassis: HWP01
Model : HG43NT678UF
HG50NT678UF
HG55NT678UF
HG65NT678UF
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Samsung HG55NT678UF Specifications

General IconGeneral
Package weight22815 g
AC input voltage110 - 120 V
AC input frequency50 - 60 Hz
Power consumption (max)135 W
Power consumption (standby)0.5 W
Power consumption (typical)62 W
Product colorBlack
Panel mounting interface200 x 200 mm
HDMI ports quantity3
RJ-12 ports quantity1
USB 2.0 ports quantity2
Consumer Electronics Control (CEC)Anynet+
Tuner typeAnalog & digital
Digital signal format systemATSC, DVB-C, DVB-S2, DVB-T, DVB-T2
On Screen Display (OSD) languagesENG, ESP, FRE
High Dynamic Range (HDR) technologyHigh Dynamic Range 10+ (HDR10 Plus), Hybrid Log-Gamma (HLG)
Smart modesGame, Music
Display diagonal55 \
Display technologyLCD
Motion interpolation technologyAuto Motion Plus 120 Hz
Sound modesDolby Audio
Audio decodersDolby Digital Plus
RMS rated power20 W
Weight and Dimensions IconWeight and Dimensions
Weight (with stand)17508 g
Weight (without stand)14288 g

Summary

Precautions

Safety Precautions

Essential safety, servicing, and ESD precautions to prevent damage and hazards.

Disassembly and Reassemble

TV Disassembly

Step-by-step guide for disassembling the TV, including precautions and tools.

[ASSY PCB MAIN]

Detailed steps for removing the main PCB board, including locking mechanisms.

[DC VSS-POWER BOARD]

Guide for removing the DC VSS-PD power board, including capacitor discharge.

Troubleshooting

Function/IR

Troubleshooting steps for function and IR remote control issues, including tests.

Power

Detailed troubleshooting procedures for power-related issues, including standby tests.

TV POWER STANDBY Test

Simplified and extended versions of the TV power standby test procedure.

Backlight Test

Procedures for testing backlight functionality and diagnosing backlight issues.

Video

Troubleshooting for video-related problems, including picture tests and patterns.

MAIN BOARD

Troubleshooting steps for main board and T-CON section video issues.

Audio

Troubleshooting for audio problems, including no sound, odd sounds, and HDMI audio issues.

Factory Mode

Instructions for entering factory mode and performing essential settings like factory reset.

Performing Factory Reset

Detailed steps on how to perform a factory reset on the TV.

Replacing Main Board

Steps to replace the main board, including entering factory menu and setting options.

Writing Type

Instructions for setting the 'Writing Type' option in the factory menu.

Detail Factory Option

Table detailing factory options for PANEL, SMPS, MAIN, and PBA, for different models.

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