Troubleshooting
5-2
Samsung Electronics
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
TV channel Missing
Antenna Cable is
connected well ?
Check I2C data bus of
Tuner
Œ
29,
´
30 pin.
Data/clock
signal
OK?
Check TS & Clock pins
from
ˇ
20pin to
¨
28pin.
Clock & Data
OK?
Check serial registers'
condition of TS & control pins.
No problem ?
Check Decoder "U302".
Check tuner's
(TM101/TM102) voltages.
5,12pin=5V,6pin=32V,14,15pin=3.3V
and 16pin(Reset)="High"
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).
Œ
DATA : 29 Pin (I2C_DATA)
´
CLK : 30 Pin (I2C_CLK)
ˇ
Clock : 20Pin (TS_CLK)
¨
Data : 28pin (TS_DATA)
Summary of Contents for DCB-P850Z
Page 13: ...3 2 Software Update Samsung Electronics MEMO ...
Page 19: ...4 6 Disassembly and Reassembly Samsung Electronics MEMO ...
Page 30: ...Samsung Electronics 6 1 6 Exploded View and Parts List 6 1 Ass y Chassis 6 2 ...
Page 33: ...Exploded View and Parts List 6 4 Samsung Electronics MEMO ...
Page 46: ...9 1 9 Wiring Diagram Samsung Electronics ...
Page 47: ...Wiring Diagram 9 2 MEMO Samsung Electronics ...
Page 51: ...PCB Diagrams 10 4 Samsung Electronics CONDUCTOR SIDE ...
Page 52: ...PCB Diagrams 10 5 Samsung Electronics 10 2 Front PCB COMPONENT SIDE CONDUCTOR SIDE ...
Page 53: ...PCB Diagrams 10 6 Samsung Electronics 10 3 S M P S PCB COMPONENT SIDE ...
Page 54: ...PCB Diagrams 10 7 Samsung Electronics CONDUCTOR SIDE ...
Page 55: ...PCB Diagrams 10 8 Samsung Electronics MEMO ...
Page 69: ...Schematic Diagrams 11 14 Samsung Electronics MEMO ...
Page 70: ...Samsung Electronics 12 1 12 Operating Instructions ...
Page 71: ...Operating Instructions 12 2 Samsung Electronics ...
Page 72: ...Operating Instructions 12 3 Samsung Electronics ...
Page 73: ...Operating Instructions 12 4 Samsung Electronics ...
Page 74: ...Operating Instructions 12 5 Samsung Electronics ...
Page 75: ...Operating Instructions 12 6 Samsung Electronics ...
Page 97: ...Circuit Operating Descriptions 13 22 Samsung Electronics MEMO ...