KE-P37M1 - Sony TV Service Manual (repair manual). Page 4

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1. Troubleshooting Summary 
 
  - The purpose of this document is to provide necessary information for service men's operation. 
 
► The chart below shows abnormal conditions that happened in 2004. 
 
Condition Name 
Description 
 
 
Related Board
■ No Voltage Output  Operating Voltages don't exist. 
PSU 
■ No Display 
Operating Voltages exist, but an Image doesn't exist 
on screen 
Y-MAIN, X-MAIN, Logic Main, Cables 
■ Abnormal Display  Abnormal Image(not open or short) is on screen. 
Y-MAIN, X-MAIN, Logic Main 
■ Sustain Open 
some horizontal lines don't exist on screen 
Scan Buffer, FPC of X / Y 
■ Sustain Short 
some horizontal lines appear to be linked on screen 
Scan Buffer, FPC of X / Y 
■ Address Open 
some vertical lines don't exist on screen 
Logic Main, Logic Buffer, FFC, TCP 
■ Address Short 
some vertical lines appear to be linked on screen 
Logic Main, Logic Buffer, FFC, TCP 
 
 
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