RTS PS8 Technical Manual

Intercom system power supply

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R T S S Y S T E M S
P R O r C S S l O N A L
I N l E R C O M M U N l C A T l O N S
P H O r E S S l O N A L
A U O l O
P R O D U C T S
1 1 0 0
W E S T
c h e s t n u t
s t r e e t
B u R B A n k .
C a l i f o r n i a
9 t b 0 6
t e l e x
I 9 4 8 b &
T E C H N I C A L M A N U A L
8 / ^ — ^ > 7 0 0
P'>'rty
/ - f C o ' 2 3 ^ ^ - ^ 1 0 7
TW Intercom System
M O D E L P S a
Power Supply

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Summary of Contents for RTS PS8

  • Page 1 R T S S Y S T E M S T E C H N I C A L M A N U A L P R O r C S S l O N A L I N l E R C O M M U N l C A T l O N S P H O r E S S l O N A L A U O l O P R O D U C T S...
  • Page 2 awAja (osnj oe& S7I3 qoooom < » » KXTVro^ OC/ttJ. OO'p- > » » c»/2eX « > tdJ. «t6rtni iitri ■ » « « TC««9NI f"** Arfvxo«/i « — v w * — — I — « « ooiciti »o*p —...
  • Page 3 T E C H N I C A L M A N U A L T M 2 8 0 9 M O D E L P S 8 P O W E R S U P P L Y RT S S Y S T E M S , I N C O R P O R AT E D B U R B A N K , C A L I F O R N I A S E C O N D E D I T I O N...
  • Page 4 The information and design disclosed herein were originated by and are the property of RTS Systems, Inc. RTS Systems, Inc. reserves a l l p a t e n t , p r o p r i e t a r y d e s i g n , m a n u f a c t u r i n g , r e p r o d u c t i o n , u s e a n d s a l e s r i g h t s t h e r e t o , a n d t o a n y a r t i c l e d i s c l o s e d t h e r e i n , e x c e p t t o t h e e x t e n t r i g h t s a r e e x p r e s s l y g r a n t e d t o o t h e r s .
  • Page 5: Table Of Contents

    T B C B N I C A L M A N U A L M O D E L P S 8 P O W E R S U P P L Y T A t t L E O F C O N T E N T S T A B L E C O N T E N T S W A R R A N T Y...
  • Page 6 2 - 1 O U T L I N E D R AW I N G , M O U N T I N G O P T I O N S OUTLINE DRAWING, MODEL PS8 POWER SUPPLY . 1 4 2 - 2 .
  • Page 7: W A R R A N T Y

    RTS Systems' sole obligation during the warranty period is to p r o v i d e r w i t h o u t c h a r g e y p a r t s a n d l a b o r n e c e s s a r y t o r a n e d y covered defects appearing in products returned prepaid to RTS Systems, 1100 W.
  • Page 8: U N P A C K I N G I N F O R M A T I O N

    A N D I H S P B C T I O N Immediately upon receipt of your Model PS8, take the time to carefully examine the package for any discrepancies or damage. S h o u l d y o u d i s c o v e r a n y, n o t i f y t h e f r e i g h t c o m p a n y a n d y o u r d e a l e r o n c e .
  • Page 9 SHIPPING TO MANUFACTURER FOR REPAIR OR ADJUSTMENT All shipments of RTS Systems# Inc. equipment should be made via U n i t e d P a r c e l S e r v i c e o r t h e b e s t a v a i l a b l e s h i p p e r # p r e p a i d . T h e equipment should be shipped in the original packing carton;...
  • Page 10: I N T R O D U C T I O N

    I n t h e T W I n t e r c o m S y s t e m , t h e p o w e r s u p p l y i s c o n s i d e r e d t h e h e a r t o£ the system. The Model PS8 Power Supply is designed to function i n a p p l i c a t i o n s e m p l o y i n g s m a l l - s i z e T W I n t e r c o m S y s t e m s .
  • Page 11: 1 . 3 D U A L A U D I O I M P E D A N C E

    1 . 3 D U A L A U D I O I M P E D A N C E Wben two PS8*s are combined, an impedance select switch on each PS8 m a i n t a i n s , i n e f f e c t , t h e 2 0 0 o h m l i n e t e r m i n a t i o n w h i l e t h e p a i r o f u n i t s p r o v i d e s t h e e q u i v a l e n t c u r r e n t o f w h a t w o u l d b e a p p r o x i m a t e l y a P S 2 0 .
  • Page 12: S P E C I F I C A T I O N

    T E C H N I C A L M A N U A L M O D E L P S 8 P O W E R S U P P LY • S P E C I F I C A T I O N S O n e p o w e r e d c h a n n e l , C H I O U T P U T S : ( a u d i o + D C + 2 0 0 o h m a u d i o t e r m i n a t i o n )
  • Page 13 T E C H N I C A L M A N U A L M O D E L P S 8 P O W E R S U P P LY T E M P E R A T U R E 0 ®...
  • Page 14: S E C T I O N 2 : I N S T A L L A T I O N

    . To install the Model PS8 first select the configuration to use in y o u r a p p l i c a t i o n . I f m o u n t i n g f r e e s t a n d i n g p l a c e t h e s t i c k - o n r u b b e r f e e t o n t h e b o t t o m o f t h e u n i t i n t h e f o u r c o r n e r s .
  • Page 15 T E C H N I C A L M A N U A L M O D E L P S 8 P O W E R S U P P LY 2 . 3 P O W E R a n d I N P U T P O W E R S E L E C T I O N L o c a t e d o n t h e b a c k panelr lower left# is the power cord.
  • Page 16 T B C B N I C A L M A N U A L M O D E L P S 8 P O W E R S U P P LY (53.02) — ' 5 . 2 (ZOQ.B) mi&HT: 4.0LBS Ct.SiC^) F i g u r e 2 - 2 Outline Drawing, Model PS8 Power Supply Page 14...
  • Page 17 T E C H N I C A L M A N U A L M O D E L P S 8 P C 3 W E R S U P P L Y S E C T I O N O P E R A T I N G I N S T R U C T I O N S 3 .
  • Page 18 T B C B N I C A L M A N U A L M O D E L P S S P O W E R S U P P LY S^&ns MODEL PSB p o w e n s u p p i y F i g u r e 3 - 1 P S - 8 F R O N T P A N E L a w i T »...
  • Page 19 TBCHNICAL MANUAL MqDEL PS8 POWER SUPPLY S ^ S ^ B g g g s a a a i — — l a a a a r a a a a a a a a a a a a i B a...
  • Page 20 M B M i a i n S S S n S r a a S S a S S a a a S i S S ^ W i a a a a a a a a a a a m a M a i a m a a a ^ a a S P E A K E R S T A T I O N S F i g u r e 3 - 4 PS8 CAPACITY 9 LONG DISTANCE Page 18...
  • Page 21 See Figure 3-5, TANDEM OPERATION CONFIGURATION. This set up maintans a 200 ohm line impedance when the termination switch is in the DUAL position. Each PS8 provides the necessary power for a group of user stations. The interconnect cable serves to couple t h e a u d i o s i g n a l s t o g e t h e r.
  • Page 22 O P E R A T I O N 4 • 1 G E N E R A L O V E R V I E W The Model PS8 Power Supply consists of; a raw DC power supply and the impedance-generating electronics.
  • Page 23: Output

    T E C H N I C A L M A N U A L M O D E L P S 8 P O W E R S U P P LY T R A C K I N G V O LTA G E INPUT POWER R E G U L AT O R C O N N E C T I O N...
  • Page 24 I N F O R M A T I O N The Model PS8 Power Supply is warranted for a period of one year from t h e p u r c h a s e d a t e . A c o p y o f t h e w a r r a n t y i s l o c a t e d o n p a g e fi v e .
  • Page 25 T E C H N I C A L M A N U A L M O D E L P S 8 P O W E R S U P P LY W A R N 1 H G A n y i n t e r r u p t i o n o f t h e p r o t e c t i v e g r o u n d i n g c o n d u c t o r ( i n s i d e o r o u t s i d e t h e e q u i p m e n t ) o r d i s c o n n e c t i o n o £...
  • Page 26 S E L E C T I O N The Model PS8 is designed to operate on 100/120 ^ or 200/240 volts AC a t 5 0 / 6 0 h e r t z * To c o n v e r t f r o m o n e m a i n s v o l t a g e t o a n o t h e r # r e m o v e c o v e r s a n d r e f e r t o S e c t i o n 2 •...
  • Page 27 T E C H N I C A L M A N U A L M O D E L P S 8 P O W E R S U P P LY T O P O W S Q a O C W A M M E L v o L T M e x e e U C 7 5 2 U P 5 3 <...
  • Page 28 T S C H M I C A L M A N U A L M O D E L P S 8 P O W E R S U P P LY 5 . 5 T E S T p r o c e d u r e 5 .
  • Page 29 5 . 5 . 4 . 6 S w i t c h c o n n e c t o r s . R e p e a t a b o v e . 5.5.4.7 Connect a variable load to pins 1 and 2 of PS8 and switch...
  • Page 30 MODEL PS8 POWER SUPPLY T E C H N I C A L M A N U A L 5 * 6 T R O U B L E S H O O T I N G C H E C K S Y M P T O M N O O U T P U T &...
  • Page 31 6 . 6 P r i n t e d C i r c u i t B o a r d , M o d e l P S 8 6.2 BOli TO OBTAIM PARTS Parts may be'obtained directly from RTS S y s t e m s r I h b »...
  • Page 32: C O N V E R S I O N S W I T C

    TECHNICAL MANUAL MODEL PS8 POWER SUPPLY L I S T S O F R E P L A C E A B L E PA R T S , ( C o n t i n u e d ) :...
  • Page 33 T E C H N I C A L M A N O A L M O D E L P S 8 P O W E R S U P P LY L I S T S O F R E P L A C B A B L B PA R T S , ( C o n t i n u e d ) : .
  • Page 34 t e c h n i c a l m a n u a l m o d e l p s a p o w e r s u p p l y L I S T S O P R E P L A C E A B L E PA R T S , ( C o n t i n u e d ) : m ^ S C R I P T I Q N R T S P A R T...
  • Page 36 T E C H N I C A L M A N U A L M O D B L P S 8 P O W E R S U P P L Y D r a w i n g 7 - 2 Model PS8 Printed Circuit Board Assembly Page 34...
  • Page 37 T B C H M I C A L M A N O A L M O D E L P S 8 P O W E R S U P P L Y S x n g l e Z n s ^ a l l a t i o a —...

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