Appendix a, Flow chart: (for repair center use), 1) power start – BrightSign HD1010 Hardware User Manual
Page 16: Ower, Tart, Appendix a flow chart: (for repair center use), No leds on, Brightsign compact
BrightSign Compact
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Appendix A
Flow Chart: (for Repair Center Use)
(1) Power Start
Check U17,
L3, C204
Check D12 & D33
for shorts
Is the Voltage of
L2 = 5V?
Is the Voltage of
TP16 3.3V?
No
No
Yes
Yes
No LEDs
on
Is the Output power
adapter 5V DC
?
Replace Power
Adapter
No
Check U33,
Reset circuit U36,
R76, D5
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