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Sony KDL-32R420A Service Manual

Sony KDL-32R420A
76 pages
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SERVICE MANUAL
Version Date Subject
1.0 3/2013 Original manual issue.
1.1 10/2013 Correction of Panel Selection in Service mode. (P.19)
LCD Digital Color TV
9-888-532-02
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
ORIGINAL MANUAL ISSUE DATE: 3/2013
RB1FK CHASSIS
Segment: BA
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Sony KDL-32R420A Specifications

General IconGeneral
Screen shapeFlat
Response time- ms
Display diagonal32 \
Display brightness- cd/m²
Display resolution1366 x 768 pixels
Native aspect ratio16:9
Native refresh rate50 Hz
LED backlighting typeDirect-LED
Supported video modes1080i, 1080p, 480i, 480p, 576i, 576p, 720p
Contrast ratio (dynamic)1000000:1
Display diagonal (metric)80 cm
Screen format adjustments14:9, Auto, Zoom
Motion interpolation technologyMotionflow 100 Hz
3DNo
Volume controlDigital
Placement supportedHorizontal
Headphone connectivity3.5 mm
Annual energy consumption58.4 kWh
Teletext function-
Tuner typeAnalog & digital
Digital signal format systemDVB-C, DVB-T
RMS rated power16 W
Number of speakers2
Equalizer bands quantity5
DVI-D ports quantity0
USB 2.0 ports quantity1
Consumer Electronics Control (CEC)BRAVIA Sync
Smart modesCinema, Game, Standard, Vivid
Product colorAluminium, Black
Power consumption (max)58 W
Power consumption (standby)0.5 W
Power consumption (typical)40 W
Package depth149 mm
Package width876 mm
Package height508 mm
Cables includedAC
Weight and Dimensions IconWeight and Dimensions
Depth (with stand)171 mm
Height (with stand)466 mm
Weight (with stand)5300 g
Depth (without stand)76 mm
Width (without stand)731 mm
Height (without stand)441 mm
Weight (without stand)5100 g

Summary

HISTORY INFORMATION FOR THE FOLLOWING MANUAL:

Manual Issue History

Details original manual issue and subsequent corrections.

MODEL LIST

WARNINGS AND CAUTIONS - ENGLISH

General Cautions and Safety Warnings

Covers general cautions, electric shock, TV handling, and component warnings.

USE CAUTION WHEN HANDLING THE LCD PANEL

SAFETY CHECK-OUT

Post-Repair Safety Checks

Procedures to ensure safety before releasing the set to the customer.

Leakage Test and Grounding Verification

SELF DIAGNOSIS FUNCTION

Diagnostic Test Indicators

Interpreting STANDBY LED flash counts for problem diagnosis.

Accessing Self-Diagnostic Screen

Procedure to view stored failure occurrence data and results.

SEC 1. DISASSEMBLY AND PARTS LIST

KDL-32R420A Series Disassembly

Disassembly and parts list for stand shaft and under cover.

SEC 2. ADJUSTMENT

HOW TO ENTERING SERVICE MODE

Procedure to enter service mode using the remote commander.

SEC 3. TROUBLE SHOOTING

No Power Troubleshooting

Flowchart for diagnosing and resolving no power issues.

Standby LED Blink Troubleshooting

Troubleshooting based on standby LED blink patterns.

No Picture Troubleshooting

Flowchart for diagnosing and resolving no picture issues.

No Sound Troubleshooting

Troubleshooting steps for no sound issues.

TV Commander Buttons Malfunction

Troubleshooting for TV button malfunctions.

SEC 4. DIAGRAMS

Block Diagram

Overall block diagram of the TV system.

Connector Diagram

Diagram showing board and connector relationships.

APPENDIX-1 WIRE DRESSING

Keypad wire dressing

Instructions for Keypad wire dressing.

PSU->MB dressing

Instructions for PSU to MB wire dressing.

Speaker and GND combine dressing

Instructions for Speaker and GND combine wire dressing.

IR dressing

Instructions for IR wire dressing.

APPENDIX-2 TAPE POSITION

Tape Placement Guidelines

Specific placement of tapes, cushions, and gaskets for different components.

APPENDIX-3 SWITCH UNIT DISASSEMBLY

APPENDIX-4 SOFTWARE DATA UPDATE

Software Version Confirmation

How to check the TV's software version.

Software Update via USB Memory

Step-by-step guide for updating TV software using a USB drive.

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