PRE Regulator / AUX. P/S PCBs 1790 | B&K 1794 manual

PRE REGULATOR / AUX. P/S PCBs 1790 / 1791

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B&K 1794 instruction manual PRE Regulator / AUX. P/S PCBs 1790

Contents

BK Precision Limited Two Year Warranty Table of Contents Output ON/OFF Switch Limit SettingSection General Information Description Remote Programming With External 5K Pot Section Specifications Section Installation Input TAP Selection for 230V Operation Repackaging for Shipment 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 Servicing Safety Summary For Qualified Service Personnel onlyDo 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 REF. PCB no PIN no Parts Ordering & ReplacingPage Page Fuse Blows Fault Finding ProcedureFuse Blows Unregulated O/P Voltage Unregulated O/P Voltage No Output Voltage No O/P 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 No Current Control Poor Line RegulationNo 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 Section Part List & Schematics L1791-FP-CNT-0603 PCB Assy1KPF/100V, Disc 2P2W SW Push Button SW1 Grey Colour CAP for Push Switch SW2 SW3 PS-PREG-1791-0503 PCB Assly DPM/01 REV 01 X PS-AUX-DC-L1791-0503 PCB Assly PS-PWR-L1791-0703A 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 Service Information Precision Corp Precision Corp