Thermal Dynamics PakMaster 50 XL Plus, Service Manual

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Manual 0-2745 57 APPENDIX
J3-1 36 VAC to ON/OFF Switch
J3-2 36 VAC from ON/OFF Switch to Logic/Gate PC Board
J3-3 36 VAC to ON/OFF Switch
J3-4 36 VAC from ON/OFF Switch to Logic/Gate PC Board
J3-5 Logic Low - From RUN/SET/LATCH Switch on Front Panel (RUN)
J3-6 PCB Common
J3-7 +10 vdc to Front Panel Current Control Pot J14-1
J3-8 From Front Panel Current Control Pot Wiper J14-2
J3-9 To Current Control Pot J14-3 (Return)
J3-10 Unreg18 VDC to Front Panel (J14-4)
J3-11 Logic Low for AC Indicator on Front Panel (J14-5)
J3-12 Logic Low for GAS Indicator on Front Panel (J14-6)
J3-13 Logic Low for TEMP Indicator on Front Panel (J14-7)
J3-14 Logic Low for DC Indicator on Front Panel (J14-8)
J3-15 Not Used
J3-16 Logic Low - From RUN/SET/LATCH Switch on Front Panel (LATCH)
J5-1 36 VAC to CD PC Board (J11-1)
J5-2 36VAC Centertap to CD PC Board (J11-2)
J5-3 36 VAC to CD PC Board (J11-3)
J5-4 Logic Low CD Enable Signal to CD PC Board (J11-4)
J5-5 CD Enable Return to CD PC Board (J11-5)
J5-6 Unreg18 vdc to PCR Relay
J5-7 Logic Low PCR Signal to PCR Relay
J5-8 Logic Low Torch Switch Input from Pilot/Output PCB (J13-1)
J5-9 Torch Switch Return to Pilot/Output PC Board (J13-2)
J5-10 Logic Low - OK-To-Move Signal to Pilot/Output PC Board (J13-3)
J5-11 Unreg18 VDC for OK-To-Move (CSR) Relay on Pilot/Output PC Board (J13-4)
J5-12 PS + from Pilot/Outut PCB to sense Positive Output Voltage
J5-13 Not Used
J5-14 From Pilot/Output PC Board to Sense Drag Cutting (Tip)
J5-15 Not Used
J5-16 PS - From Pilot/Output PC Board to Sense negative DC Output Voltage
J10-1 Logic Low - MC1 Contactor to Input PC Board (J16-1)
J10-2 Unreg18 VDC to Input PC Board for K11 Relay on Input PCB
J17-1 Logic Low - CSR Signal from Current Sensor
J17-2 Return for CSR Signal
J17-3 +12 VDC to Current Sensor
TP1 Logic Ground
TP2 Unreg18 VDC
TP3 Unreg18 VDC
TP4 Not Used
TP5 +12 VDC
TP6 +12 VDC
TP7 Drag Circuit Disable (jumper to TP1)
TP8 Negative Voltage Sensing - jumper to TP1 to override
TP20 Logic Low Primary Overcurrent Shutdown (momentary)
TP26 Logic Low CSR input
TP22 Current Demand Signal
TP25 Gate Drive Signal A
TP24 Gate Drive Signal B
LED Description
D1 Start
D2 CD Enable
D20 CSR
D36 Drag On
D39 Pilot
D45 PWM Enabled