Power Module PCB of 1790 | B&K 1794 guide

POWER MODULE PCB OF 1790 / 1791

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B&K 1794 instruction manual Power Module PCB of 1790

Contents

BK Precision Limited Two Year Warranty Table of Contents Remote Programming With External 5K Pot Output ON/OFF SwitchLimit Setting Section General Information Description 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 Output Capacitance Reverse Voltage LoadingReverse Current Loading Operators Safety Summary USE the Proper Power CordTerms in this Manual Terms AS Marked on Equipment USE Care When Servicing with Power on Servicing Safety SummaryFor Qualified Service Personnel only Do not Service Alone Section Service Instruction General Trouble Shooting TechniquesServicing shall be done only by Qualified personnel Repairs & Maintenance Page Parts Ordering & Replacing REF. PCB no PIN noPage Page Fault Finding Procedure Fuse BlowsFuse 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 ControlPoor Line Regulation No Current Control Poor Load Regulation CV, CC, LED not GlowPoor Load Regulation External Programming not OK Remote Sense not OKExternal Programming Not OK 2P2W SW Push Button Section Part List & SchematicsL1791-FP-CNT-0603 PCB Assy 1KPF/100V, Disc 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 Front Panel Assly Main Chassis 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