BIXOLON 352plusA - Manual (Page 51)

Rev. 2.01 - 51 -
SRP-350/352plusA&C
7. Troubleshooting
This chapter describes the methods for troubleshooting in this Receipt Printer.
7-1 Power Problem
Power Out
Ok? On SMPS
Power VDR
(+24V) Ok?
Power VTPH
(+24V) Ok?
Power VCC
(+5V) Ok?
End
1. Check the Input/Output Power Cable
2. Replace the Adapter(SMPS)
1. Check the Harness of Power S/W
2. Check the related Circuit & Pattern
1. Check the TR (Q3,Q4)
2. Check the related Circuit & Pattern
1. Check the Regulation U2 (BA17805FP-E2)
2. Check the related Circuit & Pattern
Power
Problem
N
N
N
N
Y
Y
Y
Power
(+7.8V) Ok?
1. Check the Regulation U16 (LM2576S-ADJ)
2. Check the related Circuit & Pattern
N
Y
Y
Power
(+3.3V) Ok?
1. Check the Regulation U3 (BA033FP-E2)
2. Check the related Circuit & Pattern
N
Y