EasyManua.ls Logo

Sony KD-43X720E User Manual

Sony KD-43X720E
211 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
GN3UN CHASSIS
Segment: KC - America
Version Date Subject
1 05/2017 1
st
Issue
2 06/2017 Add 49in , 55in and 65in model information
LCD TV
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE MANUAL (UNIQUE)
9-888-733-A2
For SM - Common , please refer :
9-888-733-0X

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Sony KD-43X720E and is the answer not in the manual?

Sony KD-43X720E Specifications

General IconGeneral
Screen Size43 inches
Resolution3840x2160 (4K UHD)
Display TechnologyLCD
Smart TVYes
Operating SystemAndroid TV
HDMI Ports3
USB Ports2
Wi-FiYes
Refresh Rate60 Hz
Audio Output10W + 10W
BluetoothNo
HDRYes

Summary

SERVICE MANUAL (UNIQUE)

History Information

Details the history and versions of the service manual.

SECTION 1 DISSASSEMBLY AND REMOVAL CAUTION

SECTION 2 DIAGRAMS

2-1. CIRCUIT BOARD LOCATION

Identifies the placement of various circuit boards.

SECTION 3 DISASSEMBLY, EXPLODED VIEWS AND OTHER PARTS

3-1. KD-43X7*E

Exploded views, screws, connectors, and parts for the 43-inch model.

3-1-1. Disassembly, Exploded View

Detailed exploded view for the KD-43X7*E model disassembly.

3-2. KD-49X7*E

Exploded views, screws, connectors, and parts for the 49-inch model.

3-2-1. Disassembly, Exploded View

Detailed exploded view for the KD-49X7*E model disassembly.

3-3. KD-55X7*E

Exploded views, screws, connectors, and parts for the 55-inch model.

3-3-1. Disassembly, Exploded View

Detailed exploded view for the KD-55X7*E model disassembly.

3-4. KD-65X7*E

Exploded views, screws, connectors, and parts for the 65-inch model.

3-4-1. Disassembly, Exploded View

Detailed exploded view for the KD-65X7*E model disassembly.

SECTION 1 SAFETY NOTES

1-1. Warnings and Caution

General servicing instructions and precautions for safe operation.

1-2. Caution Handling of LCD Panel

Cautions for handling the LCD panel safely during repair.

1-3. Caution About the Lithium Battery

Precautions regarding the handling and replacement of lithium batteries.

1-4. Safety Check-Out Procedure

Post-repair safety checks before releasing the TV to the customer.

1-5. Leakage Test

Procedure for measuring AC leakage current to ensure electrical safety.

1-6. How to Find a Good Earth Ground

Methods to verify a proper earth ground connection for safety.

1-7. Lead Free Information

Information regarding the use of lead-free solder on circuit boards.

1-8. Handling the FLEXIBLE FLAT CABLE (FFC)

Proper techniques for inserting and removing flexible flat cables.

SECTION 3 TROUBLESHOOTING

3.1 LED Blinking: 2x (Main power Error - Operating Chart )

Interpreting LED blinking patterns for error diagnosis.

3.2 : 3x Blinking – Audio Error

Diagnosing and resolving audio output issues based on blinking codes.

3.3 : 4x Blinking – Panel Power Error

Troubleshooting steps for panel power related errors indicated by blinking.

3.4 : 5x Blinking – Panel I2C Error

Diagnosing issues related to I2C communication with the panel.

3.5: Blank Screen, Backlight Visible

Troubleshooting steps for scenarios with a blank screen but visible backlight.

3.5.1 NO PICTURE: TUNER (for Analogue , Digital and Satellite)

Diagnosing and resolving no picture problems related to the tuner.

3.5.2 For Analogue Tuning Failed ( All destination)

Troubleshooting steps for failures in analog TV tuning.

3.5.3 FOR DIGITAL TUNING 1:Only for AM

Troubleshooting for digital tuning failures in specific regions.

3.5.4 FOR DIGITAL TUNING 2: AEP-T2S2, EU-T2,PA-T2, CH, LA-T2(COL),

Troubleshooting for digital tuning failures in other regions.

3.6 CI Slot – Cannot Play / No picture / No Sound – General Checking

Diagnosing problems with the CI slot for conditional access modules.

3.7.1 HDMI – No picture – General Checking

Troubleshooting steps for when there is no picture via HDMI connection.

3.7.2 HDCP Failure Analysis – General Checking

Diagnosing High-bandwidth Digital Content Protection (HDCP) related issues.

3.7.3 +5V Power Failure Analysis – HDMI1 and HDMI3 General Checking

Troubleshooting +5V power failures affecting HDMI connectivity.

3.7.3 +5V Power Failure Analysis – HDMI2 General Checking

Troubleshooting +5V power failures affecting HDMI connectivity.

3.7.4 HPD Failure Analysis – HDMI1 and HDMI3

Diagnosing Hot Plug Detect (HPD) signal problems for HDMI.

3.7.4 HPD Failure Analysis – HDMI2

Diagnosing Hot Plug Detect (HPD) signal problems for HDMI.

3.7.5 I2C Failure Analysis – General Checking

Troubleshooting I2C communication errors related to HDMI.

3.7.6 TMDS Failure Analysis – General Checking

Diagnosing TMDS signal problems affecting HDMI performance.

3.7.7 HDMI Bravia Sync (CEC) Not function – General Checking

Troubleshooting issues with HDMI CEC (Bravia Sync) functionality.

3.7.8 HDMI ARC Not function – General Checking

Diagnosing problems when HDMI ARC (Audio Return Channel) is not working.

3.8 WIFI – Cannot search device / Connection Failed – General Checking

Troubleshooting steps for WIFI search and connection failures.

3.9.1 Video Analog Signal Path – No Picture – General Checking - WW Destination (BB8)

Diagnosing no picture problems related to the analog video signal path.

3.9.2 Video Analog Signal Path – No Picture – Checking Point - No Picture UC Destination (BB8)

Diagnosing no picture problems related to the analog video signal path.

3.10 .1 Audio D Amp IC Normal Operation Condition

Details normal operating conditions and parameters for the Audio D Amp IC.

3.10 .2 Troubleshooting detail audio problem

Comprehensive guide to diagnosing and resolving various audio problems.

3.10 .2.1 Main Speaker No Sound

Troubleshooting steps for no sound from the main speakers.

3.10 .2.2 Headphone (HP) Out No Sound

Diagnosing and resolving no sound issues from the headphone jack.

3.10 .2.3 Analog Audio Input No Sound

Troubleshooting steps for no sound from analog audio inputs.

3.10 .2.4 Analog RF No Sound

Diagnosing and resolving no sound issues related to analog RF signals.

3.10 .2.5 HDMI Audio No Sound

Troubleshooting steps for no sound from HDMI audio inputs.

3.10 .2.6 HDMI ARC Failure

Diagnosing and resolving issues with HDMI ARC audio functionality.

3.10 .2.7 USB Audio No Sound

Troubleshooting steps for no sound issues from USB audio playback.

3.11 No Power DDCON/LDO Issues

Troubleshooting steps for no power issues related to DDCON/LDO circuits.

SECTION 4 SERVICE ADJUSTMENTS

How to Enter Service Mode

Step-by-step guide on how to access the TV's service menu.

Service Mode Unique Items

List of service mode items whose availability depends on TV region.

Key Behavior Summary

Explains the function of remote control keys within the service menu.

How to Enter Self Check

Procedure to access and perform self-diagnosis checks from the service menu.

Diagnosis Menu Information

Details on interpreting diagnosis menu items, error codes, and operation times.

Failure Diagnosis by LED

Table correlating LED flashing times with specific failure monitoring items.

Panel Selection & LVDS Spectrum (%)

How to verify and set Panel Selection and LVDS Spectrum values.

Serial Number Edit

Instructions for editing the TV's serial number via the service menu.

Model Number Setting

Procedure for setting the model number, which can only be done once.

White Balance Adjustment

Steps for adjusting white balance settings after replacing main board or panel.

WB/MURA/CUC Data Transfer

Process for transferring White Balance, Mura, and CUC data.

Aging Mode

How to activate and operate the aging mode for testing.

Tuner Detection

Steps to perform tuner detection and verify its status.

ATMOS CEC Disable

How to disable ATMOS CEC to avoid conflicts with compliant devices.

CEC Force LA = 0

How to set CEC Force LA to avoid conflicts with non-CEC devices.

Read HDMI EDID

Procedure to read HDMI EDID data without external equipment.

Option Bit Settings

How to set shipping region and tuner ID options for service purposes.

SECTION 5 DIAGRAMS

Circuit Board Locations

Visual identification of circuit boards for 43-inch and 49-inch models.

Block Diagrams

High-level functional block diagrams illustrating system architecture.

Connector Diagram : KC_43 & 49”

Detailed diagrams showing connector pinouts for KC_43 and KC_49 models.

Connector Diagram : KC_55 & 65”

Detailed diagrams showing connector pinouts for KC_55 and KC_65 models.

Related product manuals