E2 SERVICE MANUAL REV D 09/12
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SRB & QTS CIRCUIT BOARDS
QTS LEDs
• Run - Pulsing 1 second flash, indicating that the
board has booted up.
• Power - Lit to show that there is a power supply
from the SRB.
• P-Bus - Irregular flashing, indicating data
communication with SRB.
• C-Bus - Lit to show data being loaded from the PM
onto the QTS.
• LD5 - Lit to show.
1 LD5
2 Power, Run, P-Bus, C-Bus.
QTS Terminal Locations
3 X6 - Speaker
4 X5 - USB socket
5 X4 - Communications to SRB
6 X11 - Screen backlight
7 X13 - Touch pad
8 X9 - Display Screen PCB
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4 5 6
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