B&K 1794 instruction manual Service Information, Precision Corp

Page 41

Service Information

Warranty Service : Please return the product in the original packaging with proof of purchase to the below address. Clearly state in writing the perfor- mance problem and return any leads, connectors and accessories that you are using with the device.

Non-Warranty Service : Please return the product in the priginal packag- ing to the below address. Clearly state in writing the performance problem and return any leads, connectors and accessories that you are using with the device. Customers not on open account must include payment in the form of a money order or credit card. For the most current repair charges contact the factory before shipping the product.

Return all merchandise to B & K Precision Corp. with pre-paid shipping. The flat-rate repair charge includes return shipping to locations in North America. For overnight shipments and non-North America shipping fees contact B & K Precision Corp.

B & K PRECISION CORP.

22820 Savi Ranch Parkway

Yorba Linda, CA-92887

Phone: 714-921-9095

Fax : 714-921-6422

Include with the instrument your complete return shipping address, contact name, phone number and description of problem.

Image 41
Contents BK Precision Limited Two Year Warranty Table of Contents Limit Setting Output ON/OFF SwitchSection General Information Description Remote Programming With External 5K PotSection Specifications Section Installation Repackaging for Shipment Input TAP Selection for 230V OperationSection Operating Instructions Readjust the current limit in the remote sensing mode Reverse Current Loading Output CapacitanceReverse Voltage Loading Terms in this Manual Terms AS Marked on Equipment Operators Safety SummaryUSE the Proper Power Cord For Qualified Service Personnel only Servicing Safety SummaryDo not Service Alone USE Care When Servicing with Power onServicing shall be done only by Qualified personnel Section Service Instruction GeneralTrouble Shooting Techniques 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 VoltageNo O/P Voltage No Output VoltageNo DPM Indication No DPM IndicationDPM not Read Unit not Take Current Unit not Take CurrentUnit Directly Goes To CC Unit Directly Goes to CCPoor Line Regulation No Current ControlNo Current Control Poor Line RegulationPoor Load Regulation Poor Load RegulationCV, CC, LED not Glow External Programming Not OK External Programming not OKRemote Sense not OK L1791-FP-CNT-0603 PCB Assy Section Part List & Schematics1KPF/100V, Disc 2P2W SW Push ButtonPS-PREG-1791-0503 PCB Assly SW1 Grey Colour CAP for Push Switch SW2 SW3DPM/01 REV 01 X PS-PWR-L1791-0703A PCB Assly PS-AUX-DC-L1791-0503 PCB AsslyBack Trough Assly Front Panel AsslyMain Chassis 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 InformationPrecision Corp