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Troubleshooting
TV channel Missing
Antenna Cable is
connected well ?
Check tuner's
(TM101/TM102) voltages.
5,12pin=5V,6pin=32V,14,15pin=3.3V
and 16pin(Reset)="High"
Check I2C data bus of
Tuner Œ29, ´30 pin.
Data/clock signal
Check TS & Clock pins
from ˇ20pin to ¨28pin.
Clock & Data OK?
Check serial registers'
condition of TS & control pins.
No problem ?
Check Decoder "U302".
5-2
No
Yes
No
Yes
No
OK?
Yes
No
Yes
No
Yes
Connect Antenna cable.
Check Voltage drive
circuit and repair trouble.
Check I2C bus line
between tuner and CPU.
Change for same spec tuner.
Correct resistors of
location(R105~R116).
ΠDATA : 29 Pin (I2C_DATA)
´ CLK : 30 Pin (I2C_CLK)
ˇ Clock : 20Pin (TS_CLK)
¨ Data : 28pin (TS_DATA)
Samsung Electronics
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