Sony KD-32W830K User Manual

SERVICE MANUAL
LCD Digital Color TV
9-888-912-U1
ORIGINAL MANUAL ISSUE DATE: 2023.10
DISCLAIMER: USE AT OWN RISK. SONY AND ITS AFFILIATES ARE NOT LIABLE FOR ANY DAMAGE OR
INJURY CAUSED TO ANY DIGITAL ELECTRONIC EQUIPMENT, PERSON, OR PROPERTY, WHICH OCCURS
DUE TO USE OF THE TOOLS, PARTS, DOCUMENTATION, OR OTHER MATERIALS HEREIN PROVIDED,
WHETHER FOR REPAIR, DIAGNOSIS, MAINTENANCE, MODIFICATION, OR OTHERWISE, INCLUDING BUT
NOT LIMITED TO: ANY INDIRECT, INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES; ANY LOSS OF
DATA, PRIVACY OR PROFITS; OR ANY INABILITY TO USE, OR REDUCED FUNCTIONALITY OF, THE DIGITAL
ELECTRONIC EQUIPMENT. PLEASE READ ALL INSTRUCTIONS IN THIS MANUAL BEFORE PROCEEDING.
PLEASE FOLLOW ALL STEPS IN THE ORDER IN WHICH THEY ARE DESCRIBED. IF YOU DO NOT HAVE ALL
TOOLS AND PARTS AVAILABLE TO YOU, OR ARE NOT COMFORTABLE PERFORMING THE REPAIRS
DESCRIBED HEREIN, DO NOT PROCEED. FAILURE TO FOLLOW THESE INSTRUCTIONS, OR USE THE
PROPER TOOLS AND PARTS, MAY DAMAGE YOUR PRODUCT, LEAD TO PERSONAL INJURY OR CAUSE
PROPERTY DAMAGE.
SYSSET
2023/12/2105:31:40(GMT+09:00)

Sony KD-32W830K Specifications

General

Screen Size	32 inches
Display Type	LCD
HDR	HDR10, HLG
Smart TV	Yes
Operating System	Android TV
HDMI Ports	3
USB Ports	2
Wi-Fi	Yes
Bluetooth	Yes
Backlight Type	Direct LED
Resolution	1366 x 768
Speaker Output	10W + 10W
Refresh Rate	50 Hz

Summary

Model List

Warnings and Cautions

Use Caution When Handling the LCD Panel

Safety Check-out Procedures

Leakage Test Procedure

Details on measuring leakage current using a voltmeter or oscilloscope to ensure electrical safety.

Finding a Good Earth Ground

Instructions on verifying proper earth grounding using a cold-water pipe or outlet box screw.

Self Diagnosis Function

Failure Diagnosis LED Display

Section 1: Disassembly and Parts List

1-1. KD-32W830K Model Disassembly

Details parts and disassembly steps for the KD-32W830K model, including stand, rear cover, and LCM.

1-2. KD-55X75K Model Disassembly

Details parts and disassembly steps for the KD-55X75K model, covering stand, rear cover, and LCM.

1-3. KD-65X75K Model Disassembly

Details parts and disassembly steps for the KD-65X75K model, including stand, rear cover, and LCM.

1-4. Service Part List

Comprehensive list of service parts for various models, presented in multiple parts across several pages.

1-5. Rear Cover Disassembly and Service Position

Step-by-step guide for removing the rear cover and positioning the TV for service.

1-6. LCM Disassembly and Service Position

Procedures for disassembling the LCD module and setting the TV in a service position.

Section 2: Diagrams and Chassis Structure

2-1. Connector Diagrams by Model Series

Illustrates connector layouts and pin assignments for different TV models (APA/APL series).

2-2. Circuit Boards Location

Identifies the physical location of main circuit boards within the TV models.

Appendix 1: Troubleshooting Guides

1-1. Main Board IC Defect Analysis

Identifies potential IC defects on the main board and their measurement points.

1-2-1. No Power - Adaptor Model Troubleshooting

Diagnostic flowcharts for 'No Power' issues related to the adaptor.

1-2-2. No Power - PSU Model Troubleshooting

Diagnostic flowcharts for 'No Power' issues related to the Power Supply Unit (PSU).

1-2-3. No Display - Adaptor Model Troubleshooting

Troubleshooting steps for 'No Display' problems with adaptor-powered models.

1-2-4. No Display - PSU Model Troubleshooting

Troubleshooting steps for 'No Display' problems with PSU-powered models.

1-2-5. No Sound Troubleshooting

Flowchart for diagnosing and resolving 'No Sound' issues in the TV.

1-2-6. Remote Control & Keypad Troubleshooting

Diagnostic steps for issues with remote control or keypad operation.

1-2-7. WiFi/LAN Malfunction Troubleshooting

Diagnostic steps for resolving WiFi and LAN connectivity problems.

Appendix 2: Software Data Update