Samsung TXJ2766 Service Manual - Page 22

No Raster Sound OK

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Troubleshooting 4-2 No Raster (Sound OK) No Raster (Sound Ok) Check that CRT Heater is Lighting Yes No Check Heater plus Abnormal Normal Abnormal Check H.V of CRT Check/Replace FBT Check/Replace CRT Drive Circuit Check/Replace FBT Abnormal Normal Check/Replace IC201 Check I2C Data Normal Check CRT Drive Circuit 4-2 Samsung Electronics

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4-2 No Raster (Sound OK)
Troubleshooting
4-2
Samsung Electronics
Check
that CRT Heater
is Lighting
No Raster (Sound Ok)
Check H.V
of CRT
Yes
Abnormal
No
Check/Replace
FBT
Check/Replace
IC201
Normal
Check I
2
C Data
Normal
Abnormal
Check CRT
Drive Circuit
Check Heater plus
Abnormal
Check/Replace
FBT
Normal
Check/Replace
CRT Drive Circuit