Polaroid FXM-2611C service manual Troubleshooting Flow Chart, Start

Page 13

3.Troubleshooting Flow Chart

START

Power on

Does LED

change color?

Y

Does Backlight

power on?

Y

Does OSD

appear?

Y

Does Remote Control work?

Y

Does the TV

display signals?

Y

Does sound

play as

expected?

Y

Perform Auto

Channel Search

from the OSD

A

N

N

N

N

N

N

1.Check connection between Power Board and Main Board

2.Check Power Board output voltage

1.Check connection between Power Board and LCD Module

2.Check Main Board J32 Backlight Control

1. Check LVDS connector

1.Check connection between Remote Board and Main Board

2.Check ATMAGE8 pin 23

3.Check the remote receiver and transfer circuit

1.For Tuner sources, verify the cable has signal and has a good connection to the TV

2.For other sources, check the jack for damage

3.Check switch chip FSAV330, FSAV331 relevant circuit

4.For Y/Pb/Pr, RGB, Y/C check MST9883 signal output and input circuit

1.Check cable connections including internal COAX pin

2.Check AMP TDA8932 circuit

3.Check switch chip CD4052 relevant circuit

4.Check AP8206 relevant circuit

5.Check mute control between ATMAGE8 and AMP

13

Image 13
Contents HD-LCD TV/DVD Combo with High Definition Atsc Tuner Important Service and Safety Information Electric Shock Hazard Table of Contents Ntsc SpecificationsDiscs Formats Supported By This Player Front and Right View OperationRear View Installing Batteries Remote Control General~9 Number buttons Press to select numbers Remote Control TV ModeRemote Control DVD Mode Remove the DVD Disc Tray Start Troubleshooting Flow ChartFinish Polaroid Display Cell Defect Specification Corrected Before Returning the Product to the User Before Returning This Product to the UserDisassembly Procedure Rear Cover Removal Page Main Board Removal and Replacement Page Control Button Board Removal and Replacement DVD Module Board Removal and Replacement Power Board Removal and Replacement IR / Power LED Board Removal and Replacement Spare Parts List FXM-2611C Exploded View Diagram FXM-2611C Block Diagrams FXM-2611C 512M Video Signal Processing Block Diagram Power onTuner Schematic Diagrams FXM-2611CAudio I/O Video I/O Hdmi I/O 1394 Module Board Front Panel Connectors Backlight IR Board Reset Circuit Main Board Top View PCB Layout DiagramsMain Board Bottom view
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