Led Board; Led Board Functions; Led/Beeper Board (37587-D) Layout - Metrologic MS6520 Service Manual

5.4 LED Board

FIGURE 5.4-2 - 37587D TOP SIDE
VIEW

5.4.1 LED Board Functions

• During normal operation, the green LED is on indicating unit is ready to scan.
• The red LED will turn on when the unit has successfully read a barcode.
• Both LED's are also used as visual diagnostic indicators, as well as visual mode indicators.

5.4.2 LED/BEEPER BOARD (37587-D) LAYOUT

5.4.2.1 LED / BUTTON BOARD CONNECTOR PINOUT
J1 – 4 PIN CONN
1 GREEN LED
2 RED LED
3 +5VDC
4 BEEPER DRIVE
FIGURE 5.4-1 - 37587D BOTTOM
5-5
SIDE VIEW