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DC POWER SUPPLY

INSTRUCTION MANUAL

PR-657

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Содержание PR-657

Страница 1: ...DC POWER SUPPLY INSTRUCTION MANUAL PR 657 ...

Страница 2: ...Your PR 657 provides advanced performance and high reliability as its differential amplifier is made up of SC b The IC differential amplifier provides high open loop gain and good line and load regulations and little ripple c The output voltage is continuously variable and can be set at any of 0 to 30 V d The output current available is as high as 7 A e A built in protective circuit against output...

Страница 3: ...me Shorter than 450psec with load turned on Temperature characteristics Temperature coefficient Lower than 200ppm C 0 to 40 C Operating temperature 0 to 50 C General Line Input voltage 100 120 220 or 240V AC 10 Frequency and power consumption 50 to 60Hz below 430W Insulation resistance Over 5 0 b e t w e e n line and cabinet with 500VDC Output connectors Polarity Positive negative and common COM A...

Страница 4: ...to Figure 1 the Block Diagram and the Schematic Diagram on the back cover L I N E V O L T A G E S E L E C T O R A C L I N E A U X P O W E R S O U R C E C U R R E N T A M P D I F F E R E N T I A L A M P O V E R C U R R E N T D E T M A I N P O W E R S O U R C E L I G H T Figure 1 Block Diagram 4 ...

Страница 5: ...5 The magnified voltage is fed through the emitter follower to the succeeding Current Amplifier stage The Differential Amplifier is stable and quick in responding to a load change and the like so that IC101 is of open loop amplifier Overcurrent Detector This detector is a protective circuit that prevents an overcurrent being comprised of Q106 IC102 and Q107 The voltage induced across the output cu...

Страница 6: ...5 CONTROLS AND WHAT THEY DO 6 ...

Страница 7: ...to load 7 VOLTAGE Output voltage control which raises voltage up when turned clockwise 8 OUTPUT SELECTOR i n ni Preset voltage switch which switches output voltage to any of three values 9 OUTPUT SELECTOR PRESET VARIABLE Preset variable voltage selector which at supper position allows switch 8 to select preset voltage and at lower position allows VOLTAGE control 7 to vary output voltage t o Negati...

Страница 8: ... driver 17 Power cable connector 6 HOW TO OPERATE DUsing VOLTAGE Control For operation with the VOLTAGE control 7 on the front panel set up the controls as illustrated in Figure 2 1 Set the PRESET VARIABLE selector 9 to V A R I A B L E 2 Set the POWER ON OFF switch 5 to O N The power on indicator 4 will light to show that your PR 657 is ready for operation 3 Adjust the VOLTAGE control 7 clockwise ...

Страница 9: ...ARIABLE selector 9 to PRE SET 2 Set the PRESET switch 8 to I 3 Adjust the PRESET I semi fixed control on the right hand side clockwise with a standard screw driver until the V meter 2 reads a desired voltage 4 Similarly proceed with adjustment for the PRESET II and III voltages 5 This completes the preset voltage adjustment Turning the PRESET switch 8 to l r JT and I D will produce the preset volt...

Страница 10: ...connector 14 on the rear panel 2 Remove the stopper from the PANEL REMOTE control selector 13 and set this to REMOTE 3 This is ready for remote control operation Tuning the remote control switch will select either of the three preset voltages I II and Ml and the voltage set by the VOLTAGE control 7 CAUTION For making the remote control switch box Use a 6 core shielded cable Do not extend it longer...

Страница 11: ...aced close to it or atop it Therefore place the power supply set as far away from the other equipment as possible 5 For connection of load firmly tighten each connec tor The load leads should be wired as short as possible Poor connection and high wiring resistance result in unstable output voltages 6 Do not put any matter close to the ventilation openings on both sides and rear panel as the con tr...

Страница 12: ...S14AB3DR47J Metal film 0 47 n 5 2 W R10 RW14BA2H01OJ Wi rewound i a 5 1 2 W R11 RS14AB3DR47J Metal film 0 47 12 5 2 W R 1 2 RW98AA3H R 33J x 2 paralleling Wi rewound 0 15 a 5 10 W R13 RW98AA3DR 10J Wirewound 0 1 a 5 2 W R14 RW98AA3H331J Wirewound 330 n 5 5W R19 RW14BA2H010J Wirewound 1 a 5 1 2 W R20 RS14AB3DR47J Metal film 0 47 a 5 2 W R21 RD14BB2E102J Carbon 1 kn 5 1 4 W R22 RD14BB2E223J Carbon 2...

Страница 13: ...0817 18 A13 0713 18 A13 0714 08 A20 2714 18 A22 0805 18 A23 1610 08 A40 0704 18 M I S C E L L A N E O U S Case Frame 1 Frame 2 Panel Sub panel Rear panel Bottom plate M2 M1 B31 0704 08 B31 07 05 08 B40 0765 04 B41 0705 04 B50 2838 00 D32 0075 04 E03 0201 05 E06 0761 08 E07 0761 08 E08 1081 05 E09 0681 05 Voltmeter Ammeter Name plate Name plate power source Instruction manual Switch stopper Power c...

Страница 14: ...2 F15 0704 08 Blind rubber 1 F15 0705 08 Blind rubber 2 F19 0703 04 Patch for selector H01 2825 08 Packing case individual packing HI 0 0518 08 Packing material X2 H20 1707 08 Protection cover H 25 0029 04 Polyethylene bag J03 0010 05 Rubber leg X4 J13 0033 15 Fuse holder J21 2845 18 Heat sink mounting hardware 1 J21 2846 08 Fanmotor mounting hardware 1 J21 2852 08 Heat sink mounting hardware 2 J2...

Страница 15: ... 29 0208 24 Knob for lever switch K21 0283 04 Knob for variable resistor T1 L01 9066 08 Power transformer SI S44 2501 08 Toggle switch S2 S44 4501 08 Toggle switch S3 S32 2013 05 Lever switch S 4 S31 2040 08 Slide switch S5 S32 2012 05 Lever switch X65 1190 00 Main unit 15 ...

Страница 16: ... 5 1 4 W R 1 0 RD14BB2E103J Carbon 10 ka 5 1 4 W R111 RD14BB2E112J Carbon 1 1 kn 5 1 4 W R112 RD14BB2E103J Carbon 10 m 5 1 4 W j R113 RD14BY2H680J Carbon 68 n 5 1 2 W R114 RD14BB2E362J Carbon 3 6 kO 5 1 4 W R115 RD14BB2E152J Carbon 1 5 ka 5 1 4 W R116 117 RD14BB2E102J Carbon 1 kO I 5 1 4 W R118 RD14BB2E511J Carbon 510 n 5 1 4 W R119 RD14BB2E472J Carbon 4 7 k 2 5 1 4 W R121 RD14BY2H222J Carbon 2 2 ...

Страница 17: ...ar 0 01 uF 10 25 WV 25 WV 25 WV 50 WV 50 WV IC101 102 741 CP S E M I C O N D U C T O R IC Linear Q101 Q102 Q103 104 Q105 Q106 107 2SD400 2SB544 2SC983 2SD525 2SC983 Transistor Transistor Transistor Transistor Transistor D101 1 0 4 D 1 0 5 1 0 6 D107 D108 D109 111 GP10 4002 RD15EB RD8 2EB IN823 IN914 or 1S1588 IS953 Diode Zener diode Zener diode Zener diode Diode F01 0812 08 M I S C E L L A N E O U...

Страница 18: ...i P 0 BOARD 18 ...

Страница 19: ...10 SCHMATIC DIAGRAM The circuit elements may be changed without notice owing to a technical innovation 19 PR 657 ...

Страница 20: ...A p r o d u c t o l KENWOOD CORPORATION 17 5 2 chome Shibuya Shibuya ku Tokyo 150 Japan 96002 P R D I N J A P A N B 5 0 2 8 3 8 1 0 K M ...

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