Service Guide SW-5.1 1020
Version No. 1.0 Page
7 of 24
* Note:
Please follow the sequence of single flow chart.
The flow chart is the optimal sequence recommended for removal of the troubles.
1.2.1 No Power and LED Lamp Inoperative
No Power/LED lamp
inoperative
1.
Switching power panel
defective or damaged
2.
Power switch defect and
damaged
Causes given below
1.
Poor contact between the power line and the plug
due to deformation resulting from external force;
2.
Fuse F1 broken due to power protection resulting
from the damage and the short circuit of power
amplifier IC
3.
Defect of and poor contact between the switching
power panel CN2 and the plug
4.
Open circuit resulting from power copper foil broken
due to the defect of the power amplifier panel
5.
D12 5.1V voltage stabilizer damaged
6.
LED lamp defective and damaged
Inspect/ repair
Inspect/ repair/ replace
Summary of Contents for SW-5.1 1020
Page 1: ...Service Guide SW 5 1 1020 Service Guide KEY SYSTEM CORP Version No 1 0 Page 1 of 24 ...
Page 17: ...Service Guide SW 5 1 1020 Version No 1 0 Page 17 of 24 Chapter 2 Product Specifications ...
Page 20: ...Service Guide SW 5 1 1020 Satellite Version No 1 0 Page 20 of 24 ...
Page 23: ...Service Guide SW 5 1 1020 Version No 1 0 Page 23 of 24 Chapter 6 Electric Schematic Diagram ...
Page 24: ...Service Guide SW 5 1 1020 Version No 1 0 Page 24 of 24 ...