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THOMSON TECHNICAL COMMUNICATION
Television
Troubleshooting Flow Chart
TFC-04048
The information contained herein is provided solely to assist qualified Technician in the diagnosis of the problem described. It is not intended as a modification or alteration of the product.
REVISION DATE: Chassis: CTC211 9/23/2004
TOPIC: Dead Set Circuit Level Troubleshooting SYMPTOM: Dead Set
Apply AC to the unit.
1
1A
Press the power button on the front of the unit. Does the power LED come on?
No
Go to the System Control Circuit Level Troubleshooting Flowchart TFC-04055.
Yes 2 2A
Check for the VCC voltage on pins 5 and 16 of U13101. Is the voltage present?
No
Go to the Standby Power Supply Troubleshooting Flowchart TFC-04053.
Yes
Go to Page 2
Product Safety Information
Product Safety information is contained in the appropriate Thomson Service Data covering models/chassis referenced herein. All specified Product Safety requirements and testing shall be complied with prior to returning equipment to the customer. Servicers who defeat safety features or fail to perform safety checks may be liable for any resulting damages and may expose themselves and others to possible injury.
First Edition First Printing Copyright 2003 Thomson multimedia Inc. Printed in U.S.A. Trademark(s) ® Registered Marca(s) Registrada(s)
Page 1 of 2
THOMSON INC.
CTC211 Dead Set Circuit Level Troubleshooting
3
3A
Does pin 4 of U13101 go low when the power button is pressed?
No
Go the System Control Component Level Troubleshooting Flowchart TFC-04056
Yes 4
Troubleshoot the Run Power Supply.
Product Safety Information
Product Safety information is contained in the appropriate Thomson Service Data covering models/chassis referenced herein. All specified Product Safety requirements and testing shall be complied with prior to returning equipment to the customer. Servicers who defeat safety features or fail to perform safety checks may be liable for any resulting damages and may expose themselves and others to possible injury.
First Edition First Printing Copyright 2003 Thomson multimedia Inc. Printed in U.S.A. Trademark(s) ® Registered Marca(s) Registrada(s)
Page 2 of 2
THOMSON INC.