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Troubleshooting
5-4 BS No Power (No Raster, No Sound)
Abnormal
Check the
CNP06 Connector
Open/Short
Normal
Check
the Voltage of IC101
(25V)
Normal
Check/Replace
BS Module
5-4
the voltage of
CNP06 4P (25V)
Abnormal
D820 Check/Replace
Abnormal
Check/Replace
IC101(STA801M)
Check
Abnormal
Check the R138 1Ω
Terminal Short/Open
Abnormal
Abnormal
Check/Replace
CNP11
Abnormal
Check/Replace
IC102
Abnormal
Check/Replace
IC104
Normal
Check
BS Module line voltage
(25V,9V,5V,15V)
Normal
Check the voltage
of IC103 PIn 34
(Normal: 5V)
Normal
Check the SCL of
Pin 17 and the SDA of
Pin 18
Normal
Check
IC103 Pin 42, 41 I2BUS
Control"H"
Normal
Check
the voltage of
IC104 3, 4 Pin
Normal
Check the voltage
of tuner
Samsung Electronics
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