4. Troubleshooting
4-13
Error type
Error mode
Checking Method
Corrective actions
Display error
None
2-3. Check the display LED. (the front display of
DMR57)
- Check the number of the part that operates
abnormally. Check the LED on that abnormal
point by inputting 5V to the S part through a
300Ω resistor and grounding the D part.
Nomral: The point lights up normally
➢
Ex) If the D1-a point operates abnormally,
check the connections between pin 1 of the 7-
pin connector and pin 1 of the 6-pin connector.
(See the figure on the right.)
- Faulty: Replace the Display LED.
1
2
3
4
5
6
7
8
D 1
D 2
D 3
9
10
11
a
b
c
d
e
f
g
3. Check the DC voltage of the Main PBA.
- See the “Main PBA DC voltage error”.
Key input part error
None
1. Check Power Key on state.
- Try to turn on the Power Key.
2. Check the connections for the Sub PBA connector
part.
- Reconnect the Sub PBA connectors..
3. Check the DC voltage of the Main PBA.
- See “Main PBA DC voltage error”.
Содержание DMR57 Series
Страница 14: ...2 6 2 Features and Specifications Memo ...
Страница 38: ...3 24 3 Disassembly and Reassembly Memo ...
Страница 59: ...4 Troubleshooting 4 21 Memo ...
Страница 61: ...5 2 5 Exploded Views and Parts List 5 1 MAIN DMR77 DMR78 F219 Z019 P143 DMR77 Z019 P143 DMR78 D049 0 1 1 0 ...
Страница 73: ...5 14 5 Exploded Views and Parts List 5 7 MAIN DMR57 0 1 D049 Z019 P143 ...
Страница 85: ...5 26 5 Exploded Views and Parts List ...
Страница 95: ...6 10 6 PCB Diagram Memo ...
Страница 100: ...8 2 8 Schematic D iagram 8 3 TOUCH KEY 7KEY DMR77 DMR78 This Document can not be used without Samsung s authorization ...
Страница 101: ...8 3 8 Schematic Diagram 8 4 TOUCH KEY 3KEY DMR77 DMR78 This Document can not be used without Samsung s authorization ...
Страница 102: ...8 4 8 Schematic D iagram 8 5 TOUCH KEY 7KEY DMR57 This Document can not be used without Samsung s authorization ...
Страница 103: ...8 5 8 Schematic Diagram Memo ...
Страница 104: ...9 1 9 Reference 9 Reference 9 1 Model Number Naming Rules 8 2008 A ALL ...