Sanyo DP26649 User Manual

09/24/10
2009-2A
SANYO
TROUBLESHOOTING GUIDE
(ONLY FOR 2009 MODELS)
This guide is divided into 4 sections/pages depending on type of defect:
page 1) No Green LED Power Light (LED never turns “ON”)
page 2) Green LED Light is “ON”, but Backlights are not “ON”, or only turn “ON &
then OFF”.
page 3) Green LED Light is “ON”, and Backlights are “ON”, but there is no video/OSD.
page 4) Green LED Light turns “ON”, but turns “OFF” within 10 seconds.
Please select the section/page that matches your defect and follow the flow chart.
Only these models can use this guide:
DP26649 (except DP26649-03)
DP32649 (except DP32649-05)
DP42849
DP46819
DP46849
PLEASE KEEP THIS GUIDE.
IT WILL NOT BE PROVIDED FOR EVERY REPAIR.
techsupport@sanyotv.com

Sanyo DP26649 Specifications

General

Brand	Sanyo
Model	DP26649
Category	TV
Language	English

Summary

Sanyo TV Troubleshooting Flowcharts

No Green LED Power Light Diagnosis

Flowchart for diagnosing a TV with no power LED.

Backlights Off or Flickering Troubleshooting

Flowchart for diagnosing backlight issues when the power LED is on.

No Video or OSD Troubleshooting

Flowchart for resolving display output issues.

Power LED Shutdown Troubleshooting

Flowchart for diagnosing rapid power-off faults.

Service Manual Introduction and Safety

Service Manual Contents and Specifications

Overview of the manual's sections and the TV's technical specifications.

Safety Instructions and Precautions

Essential safety guidelines for servicing the television.

Service Procedures and System Details

Service Adjustments and On-Screen Menu

Guide to accessing and using the on-screen service menu.

Power Failure Circuit Description

Explanation of the power failure detection mechanism.

Mechanical Disassembly Guide

Step-by-step instructions for disassembling the TV unit.

Electrostatic Discharge Precautions

Procedures for safely handling sensitive electronic components.

Component and Schematic Information

Chassis Electrical Parts List

Comprehensive list of chassis components.

Block Diagrams and IC Details

Overview of power lines, signal flow, and integrated circuit functions.

Control Port Functions

Specifications and assignments for CPU control ports.

Schematic Notes and Pin Layouts

Guidance on reading schematics and understanding component configurations.

PC Board Connections and Code Charts

Information on PCB interconnections and component value codes.

Schematic Diagrams

Full set of circuit schematics for the television.