BK Precision | B&K 1794 instruction

BK PRECISION ®

Instruction Manual

Model 1794 High Current Power Supply

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B&K 1794 instruction manual BK Precision

Contents

BK Precision Limited Two Year Warranty Table of Contents Limit Setting Output ON/OFF SwitchSection General Information Description Remote Programming With External 5K Pot Section Specifications Section Installation Repackaging for Shipment Input TAP Selection for 230V Operation Section Operating Instructions Readjust the current limit in the remote sensing mode Reverse Voltage Loading Output CapacitanceReverse Current Loading USE the Proper Power Cord Operators Safety SummaryTerms in this Manual Terms AS Marked on Equipment For Qualified Service Personnel only Servicing Safety SummaryDo not Service Alone USE Care When Servicing with Power on Trouble Shooting Techniques Section Service Instruction GeneralServicing shall be done only by Qualified personnel Repairs & Maintenance Page Parts Ordering & Replacing REF. PCB no PIN noPage Page Fuse Blows Fault Finding ProcedureFuse Blows Unregulated O/P Voltage Unregulated O/P Voltage No O/P Voltage No Output Voltage No DPM Indication No DPM Indication DPM not Read Unit not Take Current Unit not Take Current Unit Directly Goes To CC Unit Directly Goes to CC Poor Line Regulation No Current ControlNo Current Control Poor Line Regulation CV, CC, LED not Glow Poor Load RegulationPoor Load Regulation Remote Sense not OK External Programming not OKExternal Programming Not OK L1791-FP-CNT-0603 PCB Assy Section Part List & Schematics1KPF/100V, Disc 2P2W SW Push Button PS-PREG-1791-0503 PCB Assly SW1 Grey Colour CAP for Push Switch SW2 SW3 DPM/01 REV 01 X PS-PWR-L1791-0703A PCB Assly PS-AUX-DC-L1791-0503 PCB Assly Main Chassis Assly Front Panel AsslyBack Trough Assly Front Panel Layout Back Panel Layout TOP View Bottom View of Model 1790 Front Panel Control PCB of 1790 Power Module PCB of 1790 PRE Regulator / AUX. P/S PCBs 1790 Precision Corp Service Information Precision Corp