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6. Electrical parts
66010
66010
Description of PCB (printer section)
TP11 DC+-12 V-IL voltage measurement
• Power supply for the laser unit
• Failure in the cable connection between the
laser control PCB and the F-AOM driver
• Failure in the interlock switch (printer top
cover)
• Failure in the laser control PCB
The laser does not emit light.
TP12 DC+12 V-IL voltage measurement
• Power supply for the laser unit
• Failure in the laser control PCB
TP13 DC A5 V voltage measurement
• Power supply for analog circuits
(temperature adjustment)
• The temperature of the laser
unit heater, B laser heater,
and R laser heater cannot be
adjusted.
TP14 DC A3.3 V voltage measurement
• Power supply for analog circuits
(temperature adjustment)
TP15 DC+3.3 V voltage measurement
• Power supply for digital circuits such
as FPGA, memory and CPU
•
☞No. 06901 ARCNET
communication error.
occurs.
TP16 DC+1.2 V voltage measurement
• FPGA power supply
The laser control PCB does not
operate.
TP17 DC+2.5 V voltage measurement
• LVPECL power supply
Cannot receive image data from
the printer I/F main PCB.
TP18 DC LD9 V-IL voltage measurement
• Power supply for B laser
• Failure in the cable connection between the
laser control PCB and laser unit PCB
• Failure in the laser control PCB
• It shorted out between the laser control PCB
and the laser. (J/P1515)
The B laser does not emit light.
TP19 DC LD5 V-IL voltage measurement
• Power supply for R laser
The R laser does not emit light.
TP20 DC LAS5 V-IL voltage measurement
• Control power for B and R lasers
The B and R lasers do not emit
light.
TP21 DC LAS-5 V-IL voltage measurement
• Control power for B and R lasers
TP22 DC A5 V2 voltage measurement
• Power supply for image analog
circuits
• Failure in the laser control PCB The laser does not emit light.
TP23 DC+24 V−3 voltage measurement
• Power supply for laser unit cooling
fans 1 and 2, and laser control box
cooling fan 1
• Power supply for the laser unit heater
• Failure in the laser power supply
• Failure in the cable connection between the
laser control PCB and laser power supply
• It shorted out between the laser control PCB
and the laser. (J/P1551)
• The temperature of the laser
unit heater cannot be
adjusted.
• Laser unit cooling fans 1
and 2, and laser control box
cooling fan 1 do not
operate.
Fuse No. Rating Purpose
F1 T3.15 A/125 V DC+24 V-1 power supply protection
F2 T3.15 A/125 V DC+24 V-2 power supply protection
F3 T3.15 A/125 V DC+24 V-3 power supply protection
TP Purpose When the normal value (# V) is not detected Symptom
Distributed by: minilablaser.com
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