4. TROUBLE SHOOTING
- 66 -
All LEDs are not working
Any LED is not working
START
ABB is out of order.
Change the Board.
Replace the LED.
It is out of order.
Enter
The Voltage of LEDB signal
is about 0V?
Is there anything that
resistor value across LED
is under 10
Ω
?
Yes
Yes
No
No
into Engineering Mode
and select Keypad On
Keypad Display is OK.
Power off and Measure the
Resistor Value of all LEDs.
Resolder the path
of LED and Resistor.
START
Enter
The path is OK?
Yes
No
into Engineering Mode
and select Keypad On
The LED is out of order.
Change the LED.
Содержание L1150
Страница 1: ...Service Manual Model L1150 Service Manual L1150 P N MMBD0034601 Date June 2004 Issue 1 0 ...
Страница 3: ......
Страница 18: ...3 H W Circuit Description 17 Figure 1 Receiver Part Block Diagram ...
Страница 42: ...3 H W Circuit Description 41 A BaseBand Components Component Side ...
Страница 43: ...3 H W Circuit Description 42 B BaseBand Components Keypad Side C Digital Baseband DBB Processor ...
Страница 51: ...4 TROUBLE SHOOTING 50 BaseBand Part Troubleshooting 4 1 Baseband Components Component Side 4 TROUBLE SHOOTING ...
Страница 102: ...5 DISASSEMBLY INSTRUCTION 101 5 DISASSEMBLY INSTRUCTION 2 1 1 2 ...
Страница 103: ...5 DISASSEMBLY INSTRUCTION 102 1 2 3 ...
Страница 104: ...5 DISASSEMBLY INSTRUCTION 103 2 1 1 2 ...
Страница 105: ...5 DISASSEMBLY INSTRUCTION 104 3 ...
Страница 106: ...5 DISASSEMBLY INSTRUCTION 105 ...
Страница 113: ...7 BLOCK DIAGRAM 112 Baseband Part 7 BLOCK DIAGRAM The Block Diagram of the Baseband Part ...
Страница 122: ... 121 9 PCB LAYOUT ...
Страница 123: ... 122 9 PCB LAYOUT ...
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