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1、. DUKANE 3-POSITION, MODULAR SPEAKER SELECTOR PANEL MODEL 9A1780 INSTALLATION AND SERVICE DUKANE CORPORATION | COMMUNICATIONS SYSTEMS DIVISION | ST CHARLES I l l INOIS 60174 RadioFans.CN 收音机爱 好者资料库 CONTENTS Section Page 1 GENERAL INFORMATION 1.1 GENERAL DESCRIPTION . . . . . . . . . . . . . . . . .
2、. . . . . . . . . . . . . . . . . . . . . . l-l 1.2 OPTIONAL 438-485 MODULAR TIME I I SPK(X) P(X) K(X) I 2 3 4 5 6 2 0 IC/TI SEL(X) B(X) i z.sw.(x) T.SW.(X) = B(X) TIME(l-6) Operation Output terminals to speaker (1 of 25). One of five P terminals. Each supplies +24VDC to 5 relays. PI-K1 to K5, P2-K6
3、 to K10, etc. One of 25 relays, one per speaker line. 24VDC 23 mA nominal. Contacts rated at 2 amps. IC/TI bus for time, zone, and dial intercom audio input. Audio input from speaker selector panel (1 of 25). Connects to dial intercom equipment for dial intercom control. Zone, 6-gang dip switch - co
4、nnects relay with one of six control circuits (1 of 25). Time, 6-gang dip switch - connects relay with one of six control circuits (1 of 25). Male and female terminals on time and zone cross-connect pc board. Six control circuits circulating to each of 25 “T.SW.” ZONE (l-6) Six control circuits circ
5、ulating to each of 25 “Z.SW.” With K(X) deenergized, SEL(X) is connected to SPK(X) feeding selector panel audio to the speaker. When the control circuit selected at T.SW. or Z.SW. or the B(X) control circuit is activated, K(X) is energized con- necting IC/TI to SPK(X); audio on lC/Tl is fed to SPK(X
6、). 1. 2. Figure 2-5. Simplified Schematic of Cross-Connect Control Function. Using figure 2-5, Simplified Schematic of Cross-Connect Control Function, as a guide, determine which control circuits will be required for your application. Using figure 2-6, Time, Zone, Dial Intercom Connections, as a gui
7、de, make the necessary connections by first wiring the appropriate connectors and then plugging the connectors onto the correct pins. Be certain that each connector is positioned such that the correct connector terminals and pc board pins are connected. 110-1989 CROSS - CONNECT PC. BOARD 438-495 TIM
8、E AND ZONE CROSS-CONNECT KIT - REAR VIEW TYPICAL FOR 25 SPEAKER ._ -CONNECTION I I LEAVE THESE THREE -PINS EMPTY - NO CONNECTION r- FROM PROGRAM r- AMPLIFIER IN DESIGNATIONS N PCB RETAINING AM TERMINALS LOFF BUS L TERMINALS SPEAKERLINE TERMINALS I OF 25 bC TERMINALS NOTE: Terminals for speaker lines
9、 2 through 23 are identical to 1,24, and 25. Figure 24. Connections - Rear of 438485 Kit. (See section 2.4.1.) 2.6 INSTALLING 439485 MODULAR TIME the relay in turn controls audio to the speaker line. See figure 2-5 for an illustration of this function. There are two six-gang dip switches per speaker
10、 line -one for selecting the time circuit, one for selecting: the zone circuit. Figure 2-8 identifies which switches program which speaker line and differentiates the time from the zone switches. 2-9 SECTION 3 SERVICE INFORMATION This section contains the repair parts lists, component layout, and sc
11、hematic diagrams for the Model 9A1780, 3-Position, Modular Speaker Selector Panel and the 438-485 Modular Time & Zone Cross-Connect Kit. LEGEND Repair Parts List 9A1780 Modular Speaker Selector Panel DESCRIPTION On 1 lo-1947 Switch PC Board Sl-S25 Switch, Toggle, DP3T Misc. Hardware Designation stri
12、p, plastic holder 226-52 1 Designation strip, clear plastic lens 226-515 Designation strip, paper 226-517 Insul. displace. conn., orange, 2 term. 597-321-0218 Insul. displace. conn., red, 3 term. (25) 597-32 l-0322 Insul. displace. conn., orange, 5 term. 597-321-0518 Repair Parts List 438-485 Modula
13、r Time & Zone Cross-Connect Kit LEGEND DESCRIPTION On 1 lo-1989 Cross-Connect PC Board CR1-CR100 K1 -K25 S1-S50 Rectifier, Silicon595-44 Relay, DPDT, 24 VDC 596-242 Switch, six-gang dip680-772 Misc. Hardware Insul. displace. conn., orange, 5 term. Insul. displace. conn., orange, 6 term. (2) Insul. displace. conn., orange, 2 term. DUKANE PART NO. 680-764 DUKANE PART NO. 597-321-0518 597-321-0618 597-321-0218 3-1