47
Mainboard jumper
J1
JCMOS1
JLV3
JLV2
JLV1
Figure 4.2 EC-1559 mainboard jumper
1
1
1
1
1
JP2
JP3
1
1
5
5
2
2
6
6
Jumper
Setting
Description
JLV1
(LCD Backlight Inverter Power Select Jumper)
1-2 Closed
5V
2-3 Closed
12V
JLV2
(LCD Panel Power Select Jumper)
1-2 Closed
3.3V
2-3 Closed
5V
JLV3
(Backlight Control Mode Select Jumper)
1-2 Closed
Voltage Level Mode
2-3 Closed
PWM Mode
Summary of Contents for EC-1559
Page 1: ...POS Terminal EC 1559 Service Manual...
Page 2: ......
Page 8: ...vi...
Page 36: ...28 C H A P T E R 2 B I O S S E T U P...
Page 43: ...35 4 When installation is completed click Finish...
Page 47: ...39 10 Click Next to continue 11 Click Next to continue...
Page 58: ...50 C H A P T E R 4 L O C AT I N G T H E P R O B L E M...
Page 71: ...63 APPENDIX PART LIST AND SPECIFICATION Figure 6 1 Exploded diagram main parts...
Page 72: ...64 A P P E N D I X Figure 6 2 Exploded peripheral parts...