506 Isolated Variable AC Line Supply Instruction Manual 10/2011
TABLE OF CONTENTS SECTION DESCRIPTION PAGE NO.
SECTION - 1 INTRODUCTION ISOLATED VARIABLE AC LINE SUPPLY : MODEL1506 The 1506 Isolated Variable AC Source cum leakage current tester is designed for modern electronics laboratories needing a clean, electrostatically and galvanically isolated variable line supply. The unit is designed to provide isolated output variable from 0 to 130 V AC at 4 Amps max and 0 to 260VAC at 2A max on two seperate output sockets through a range selector switch.
PCB Components 0893 DPM ======================================================================= Reference Designator Part Description ======================================================================== CAPACITORS C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 * C12 * C13 220pf 100V ±20% CD 0.1µf 100V ±10% MP 0.01µf 100V ±20% CD 0.47µf, 100V ±20% CD 0.1µf, 50V ±10% MP 10µf, 35V ±20% EL 0.1µf, 50V ±10% MP 0.1µf, 50V ±20% CD Not used 470µf, 35V ±20% EL 2.2µf, 50V ±20% EL 47µf 50V, ±20% EL ( Additional ) 0.
SECTION - 3 DESCRIPTION INPUT AND OUTPUT TERMINATION : The unit works from 230VAC, 47-63 Hz single phase supply with internal tap selection facility for 115V AC operation. The input is provided through a mains cable with a plug. The use of a three core cable enables the cabinet of the unit to be properly grounded. The unit as shipped from factory is wired for 230V /50Hz single phase supply Output is provided on two seperate sockets through a output voltage range selector switch.
SECTION - 7 PART LIST PCB Components GLOBAL 1505 / 06 SW - 0396 ======================================================================= Reference Designator Part Description ======================================================================= RESISTORS R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R15 1.5K, ¼W ±5% MFR 120E, ¼W ±5% MFR 10K, ¼W ±5% MFR 62K, ¼W ±5% MFR 10 ohm, ¼W ±5% MFR 220 ohm, ¼W ±5% MFR Not Used 10K, ¼W ±5% MFR 100K, ¼W ±5% MFR 10M, ¼W ±5% MFR 4.7K, ¼W ±5% MFR 10K, ¼W ±5% MFR 1.
SECTION - 4 OPERATING INSTRUCTIONS LEAKAGE CURRENT CALIBRATION 9) a) 1506 as Isolated Variable AC Supply. Set output voltage to ‘0’ volt by turning the 'Set Voltage' knob to minimum position. Press push button switch marked 'V' Set output voltage to zero volt s by turning the Voltage knob to minimum position. 10) Press push switch marked ' V ' 11) Switch on the power.Adjust output voltage to 130VAC. Keep the output voltage selector switch to the desired range (0 -130V or 0 -260V).
SECTION - 6 SECTION - 5 CALIBRATION PROCEDURE FOR MODEL 1506 SERVICE AND WARRANTY INFORMATION FACTORY SERVICE AND REPAIR 1) Keep the Voltage knob to minimum position(ccw). Press push switch marked ' V ' 2) Switch on the power. 3) Set reference voltage of DPM(pin no. 36 of U1-7107) to 1.00Volt by adjusting the preset VR1 on DPM pcb. 4) Set voltage at pin no. 6 of IC3 (CA3160) to zero Volts with the help of preset PR4 on switch pcb.
The purchaser agrees to assume all liabilities for any damages and/or bodily injury which may result from the use or misuse of this device by the purchaser, his employees or agents. MAINTENANCE AND RECALIBRATION ADJUSTMENTS This warranty is in lieu of all other representations or warranties expressed or implied and no agent or representative of Global Specialties is authorized to assume any other obligation in connection with the sale and purchase of this device. All circutry required.
SERVICE AND WARRANTY INFORMATION For up-to-date product information, please visit www.globalspecialties.com. For instructions on how to obtain a return merchandise authorization number (RMA), please visit our website, or call our customer service department. GLOBAL SPECIALTIES 22820 Savi Ranch Parkway Yorba Linda, CA 92887 800-572-1028 globalspecialties.com Global Specialties will service and repair this instrument free of charge for a period of 3 full years, subject to the warranty conditions below.
