
Troubleshooting
5-4
Samsung Electronics
5-4 BS No Power (No Raster, No Sound)
Normal
Check
the voltage of
CNP06 4P (25V)
Check the
CNP06 Connector
Open/Short
D820 Check/Replace
Abnormal
Check
the Voltage of IC101
(25V)
Check/Replace
IC101(STA801M)
Abnormal
Normal
Abnormal
Normal
Check
BS Module line voltage
(25V,9V,5V,15V)
Check the R138 1
Ω
Terminal Short/Open
Abnormal
Abnormal
Normal
Check the voltage
of IC103 PIn 34
(Normal: 5V)
Check the SCL of
Pin 17 and the SDA of
Pin 18
Check/Replace
CNP11
Check
IC103 Pin 42, 41 I2BUS
Control"H"
Check/Replace
IC102
Check/Replace
IC104
Check
the voltage of
IC104 3, 4 Pin
Check the voltage
of tuner
Normal
Normal
Abnormal
Abnormal
Normal
Abnormal
Normal
Check/Replace
BS Module
Содержание CT721APX/XAX
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Страница 27: ...Schematic Diagrams 9 6 Samsung Electronics 9 6 PIP Power Line Signal Line ...
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Страница 30: ...Schematic Diagrams Samsung Electronics 9 9 9 10 SURROUND MODULE Power Line Signal Line ...
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Страница 39: ...MEMO 3 2 Samsung Electronics ...
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