Motorola C1204 Instruction manual
Contents
1. osition The latched gt on the MUXbus gt vhen U1210B 6 goes gt 1 p gt gt LED 5 VOLT a uua WITCHES P 0 10 gt 5 3 20 22 01201 01204 _ 22 Y Y Uu 17 808 03 gt 12 __ When switch 1211 is actuated to TEST position MUXbuB 18 BDI MUXbus vizio o p BD3 Data Display Latch U1203 forces all LED S voit switches Date 13 91207 thru 01204 on and causes the auxiliary 051210 19 802 ti and operating DS1209 channel displays to indicate SF 0120 091202 n Q1203 222 Q1204 Lt ines Simultaneously 4 bit latch amp 4 Line to 16 Line Decoder R1219 M9649 R1220 M9649 M9649 RI M9649 20 BD3 U1201 repeatedly ripples through the LED ground swit 2K 2k 2K 2K 5V ches 91205 thru 012202. Bits 3 0 Optionally the bits making up the two channels can be re grouped to form two different channels in which one channel has more than four bits In this optional configuration the TX RX Channel least significant bit LSB is at Address 8 Bit 0 If more than four bits are required to form the TX RX channel repre sentation then those bits are taken from the auxiliary channel assignments beginning with bit 0 of address 9 The Auxiliary Channel then starts LSB with the next available bit after the last defined TX RX channel bit and continues to bit 3 of address 9 If the two channels are to be independent then they cannot share any bits This means that the sum of the numbers of bits for the two in dependent channels must be eight or less 4 32 ADDRESSES 10 and 11 BITS 3 THRU 6 RESERVED FOR FUTURE USE 10 D3 THRU 10 DO and 11 D3 THRU 11 DO These parameter bits are reserved for future applications or special customer needs 4 33 REVERSE WILD CARD PARAMETER BITS Use of the reverse wild card bits 8 bits total addresses 12 amp 13 requires the wild card module which resides in the Control Option Tray The wild card inputs four per card activate or deactivate the appropriate Reverse wild card MU Xbus bit in response to a status signal ex ternal to the station The eight reverse wild card MUX bus bits also have an additional definition They are con sidered alarms which when acti
3. DIGITAL VOICE PROTECTION SELECT 6 Di The DVP SEL bit selects either the primary DVP code 1 or the secondary DVP subcode from the DVP control module 4 29 DVP C C DIGITAL VOICE PROTECTION CODED CLEAR 6 D0 The DVP C C bit when active enables the encryption and decryption functions of the DVP control module Therefore voice is transmitted coded When inactive this bit disables the encryption and decryption functions Therefore voice is transmitted clear 4 30 ADDRESS 7 BITS 3 THRU 0 RESERVED FOR FUTURE USE 7 D3 THRU 7 DO These parameter bits are reserved for future applications or special customer needs 8 68P81114E03 4 31 TX RX C8 TX RX C4 TX RX C2 amp TX RX CI TRANSMITTER RECEIVER 1 CHANNEL 8 D3 THRU 8 DO and AUX C8 AUX C4 AUX C2 amp AUX C1 AUXILIARY CHANNEL 9 D3 THRU 9 DO These eight bits determine up to two sets of channels for the station A channel 15 station state which chooses pre defined groups of station parameters such as transmit and receive frequencies and coded squelch code The channel parameters are defined in the station control module code plug Also the station control module code plug contains the transmit primary receive and Channel Scan parameters The second receiver control module code plug contains the second receiver parameters The TX RX Channel occupies Address 8 Bits 3 0 The Auxiliary Channel Second Receiver and Channel Scan occupies Address 9
4. 21201 2 0015 3 405 MONOSTABLE Provides pulse to latch MUXbus Address and Data into 01201 and 01203 OFF 02 1204 gt 12 When switch Si et Yo Data Display La 13 01201 thru 012 ADORESS TRUTH TABLE L L7 and operating Simultaneous 03 POSITION A3 A2 lai ag ADDRESS VJ U1201 repeated 51205 1 5v ches Q1205 thr SELECT LED s of the s 1 5121 DS1201 thru DS t SWITCH OFF e 2 __ 1201 Reter to Address Truth Table enter DATA TEST 3 Ooio tit for switch output states 7 5 R1218 Rc 4 y 47K 1 0 SELECTED ui 5 0 1 ADDRESS 47 _ A 6 a o o d 81202 81201 LATCH U1203 Decodes and latches 7 o 47K MUXbus data lines o o ail p 8 119100 ibo 4 3 ofa gt 9 3 P A2 gt 10 gt 11 101 i0 9 b 12 t t ojo 13 ijito 14 BEBE 5 81255 15 2 13K t Data output selected addressj of ADDRESS switch 51201 AQ thru 5v REGULATOR s entered into selected ad dress latch 01208 when swiich S121 is actuated to the ENTER FUSED A b 5v DATA position The latched data 1223 THRU C122 SAO thru SA3 13 compared to ad 4230 THRU C4235 gress on MUXbus thru equal U12T0B 6 goes indicating cieae 2 1201 selected address 1s valid From metering audio and power section 0 33 A
5. 51 84371K83 U1213 1214 51 83629M86 01215 51 82609M05 Ut216 51 84320A47 U1217 51 83627M88 U1218 51 84561L86 DESCRIPTION NOT USED 47k 13k NOT USED 30k 1k switch rotary 16 position toggle spdt rotary 7 position 2 pole toggle dpdt toggle spdt toggle spdt integrated circuit see note 4 bit latch amp 4 to 16 line decoder dual monostable multivibrator quad D type flip flop with clear BCD to HEX 7 segment latch decoder driver hex inverter buffer quad latch quad exclusive OR gate dual 5 input NOR gate quad 2 input NAND gate audio power amplifier operational amplifier 5 volt regulator level shifter 5 volt regulator mechanical parts 36 83144N01 9 82425R01 KNOB control 2 used FUSE holder note For optimum performance diodes transistors and integrated circuits must be ordered by Motorola part numbers TKN8914A Diagnostic Cabling Kit PL 8430 O DESCRIPTION male single contact RED male single contact BLK REFERENCE MOTOROLA SYMBOL PART NO connector plug P1203 28 84751N01 P1204 28 84751N02 P1205 15 83142M08 housing 4 contact mechanical parts 1 80766D37 39 82717M01 1 80766D47 10 82465B02 29 82676C02 1 80766D48 10 82465B01 29 82676C01 ASSEMBLY connector and wire in cludes P1205 and CONTACT receptacle 4 used ASSEMBLY voltage probe RED includes P1203 and WIRE test probe RED 36 used PROBE test R
6. coordinated start up of the station control module and any other interconnected modules or external equipment such as the DMP The EXPAN SION RESET signal is active low at power up or when station control module switch S801 is put into the TEST position or when the station control module is reset by its watchdog timer circuit or when another control mod ule receives a command to reset the station Also normal MUXbus operation is suspended while the watchdog tim er circuit generated RESET signal is active low The MUXbus data strobe line DS is held inactive and the MUXbus address and data lines do not follow their nor mal patterns IMPORTANT While the EXPANSION RESET line is active low no module except the station control module should write to the MUX bus data lines Otherwise the station con trol module may fail its self diagnostic tests and remain reset indefinitely Multiplexed Logic MUXbus Lines The multiplexed logic MUXbus lines consist of the fol lowing signals Four Address lines BA0 BA3 Pins 13 16 Four Data lines BD0 BD3 Pins 17 20 Data strobe DS Pin 22 All DMP MUXbus lines are referenced to audio ground logic ground is not used The four address and the four 7 15 90 METERING PANEL FAEPS 36237 A W617 VOLTAGE VOLTAGE PROBE PROBE CONNECTOR CONNECTOR J1203 J1204 CONTROL CONNECTOR 41201 METER CONN
7. gt AQ Aj Z x olo A l8 wn 5 S x o 66 2 lt Q N 0 z t3 ry 5 T 12 RWC6 RWCS 15 FWC8 FWC7 currently unassigned status only bits These same operating parameters may also be selectively altered using various control switches located on the DMP Also two separate 7 segment display units indicate in hexadecimal notation the current auxiliary and primary operating station channels 1 through F Channel 1 through 15 and 0 Channel 1 12 DMP 40 CONDUCTOR INTERFACE CABLE The DMP comes with a separate 40 conductor ribbon in terface cable a separate 8 conductor metering cable with modular connectors two separate voltage probes and a set of housing rods that may be extended and inserted into the mounting rails inside the station cabinet Refer to Figure 2 for the locations of the connectors used for the CONTROL 11201 METER J1202 voltage probe 31203 and voltage probe 11204 Refer to Figure 3 for a view of the DMP with its front panel re moved The 40 conductor interface cable connects the station EXPANSION connector J800 located on the top of the control tray housing to the DMP CONTROL connector J1201 This cable provides interface lines which connect power audio and digital signals between the station con trol board other control modules within the station and the DMP There are four ty
8. of the major portion of the main control related activities that are occurring at any time in the station These include var ious push to talk signals the state of the squelch circuits the presence of properly coded squelch signals the sta tion channel the station level alarms and wild card functions as well as specialized activities such as Chan nel Scan or DVP operation NOTE check to see if all the LEDs in this sec tion of DMP are functional momentarily Switch the ENTER DATA TEST switch to the TEST position All 64 LEDs in the STATUS display area should light and the two digit CHANNEL display should indi cate The STATUS Display indicates the active control condi tions within the station with a corresponding illuminated LED The absence of an expected condition can be readily Observed as the station is operated leading to rapid iden tification of a defective area To simulate an active condition in the station using the DMB select the address or row in the display containing the particular signal with the ADDRESS switch Next set one of the data switches DO through D3 corresponding to the column in the display containing the signal Momen tarily switch the ENTER DATA TEST switch to the EN TER DATA position and the condition will become ac tive To clear the condition return the data switch to the OFF position and flip the switch to the ENTER DATA position once again CAUTION It is recommended t
9. or RX Metering respectively 3 DIAGNOSTIC FACILITIES 3 1 GENERAL The right hand portion of the DMP contains the switches and displays required to monitor and manipulate the op erating parameters of the station These functions are made possible by connecting circuits of the DMP to the MUXbus of the station EXPANSION connector J800 3 2 CHANNEL DISPLAY The CHANNEL display consists of two 7 segment LED packages that are used to display the station s current aux iliary operating channel left most unit and its current primary operating channel right most unit The primary operating channel is the channel currently selected for the station transmitter and primary receiver The auxilia ry channel may have several uses one of which is that it would be the selected channel of the secondary receiver in a 2 receiver station The operating CHANNEL display changes each time the station changes operating channel or the operating channel is changed via the channel select switch on the station control tray The auxiliary CHAN NEL display changes only when a change of operating channel occurs 7 15 90 3 3 STATUS DISPLAY The Station Parameter Status Display Matrix consists of eight amp lement LED packages located behind the re cessed sc cened panel of the DMP The screening identi fies each of 64 UXbus bits via a specific mnemonic des ignation as shown in Table 1 The STATUS Display provides a visible indication
10. stated 0015 0 1 220 pF 1500 100 1094 16 V 330 20 10 V 0 1 1 0 20 0015 0 1 220 0015 NOT USED 47 20 25 V NOT USED 1000 20 V 47 20 20 V 01 100 0 NOT USED 0 1 100 0 0 33 NOT USED 01 100 096 220 pF NOT USED 20 pF 018 20 pF 470 pF 10 100 V NOT USED 01 100 096 diode see note silicon hot carrier silicon display LED ARRAY 4 position 2 used 7 segment display fuse 32V connector receptacle male 40 contact female 8 contact female single contact coded RED female single contact coded BLK male 4 contact coil audio choke 600 uH transistor see note PNP type M9649 NPN Darlington type M9706 FET N channel type M9643 resistor fixed 595 1 4 W unless otherwise stated 47k 3 6k 47k NOT USED 47k 2k 82 2k 220k 470k NOT USED 510 30k 3 6k 100k 2k 240 24 510 1 112 4 32k 1 4 02k 1 470k 200k 470k NOT USED 13k 6 8k 82 13k REFERENCE SYMBOL R1269 thru 1285 MOTOROLA PART NO R1286 thru 1289 6 11009A89 R1290 1291 6 11009A76 R1292 R1293 6 11009 84 R1294 6 11009A49 1201 40 84226N01 1202 thru 1205 40 83685N04 1208 40 84449N01 1209 40 83685N06 1210 40 83685N04 51211 40 83685N08 U1201 51 82884L32 U1202 51 82884L28 U1203 51 82609M73 U1204 1205 51 83548N18 U1206 51 82884L02 U1207 1208 51 82884L15 U1209 51 82884L49 Ut210 51 82609M61 01211
11. the wireline out bound wireline when a local PTT is generated but the transmitter is not keyed When LOC PTT is not active remote control console audio inbound wireline is gated to the 1 2 watt local audio amplifier 4 10 TX PL DS TRANSMIT PL DPL DISABLE 2 D3 The TX PL DS bit mutes encoded PL or DPL The Trans mit PL Strip wireline option utilizes this bit If PL or DPL is being encoded when TX PL DS goes active then RB TOC will be generated before muting PL or DPL This bit will also be set active whenever PL DPL encoding is disabled such as during an auto ID transmission or if the front panel XMIT switch on station control module is ac tivated 4 11 TX ACT TRANSMITTER ACTIVITY 2 D2 The TX ACT is a status only bit and indicates that the transmit rf channel outbound is ready ACT goes ac tive after a keyup when the transmitter power output has stabilized In the event of a PA failure on keyup TX ACT stays inactive doesn t glitch ACT goes inactive when the station control module dekeys the PA TX ACT is inactive during RB TOC 4 12 RX2 ACT RECEIVER 2 ACTIVITY 2 D1 The RX2 ACT bit indicates whether second receiver au dio should be used The second receiver control module 7 15 90 responds to an active RX2 ACT by gating deemphasized PL stripped audio from the second receiver to the RX2 audio line From there it is mixed with line audio out bound wireline by the station control module RX
12. 051207 1208 AUXILIARY OPERATING M9706 m CHANNEL CHANNEL SPA 21 Np D u u 4 _ 4 _1 4 DISPLAY DISPLAY on CETT emp 22 TX RX C8 L TX RX C4 2 TX RX C2 L TX RX UNUSED CIRCUITS L gt 81261 7 4 1 13K Q1213 AUX C8 AUX C4 2 AUX C2 AUX S1 2 E 112 2 4 4 4 RI262 ane T 3 01214 BE E Ey i 9706 a A H 2 rz LI cm202 R1263 4 4 WI Qus b outputs iow M9706 2 m i IZ L5 R1290 81291 13K 13K WN 52 2 anges Fig HIS INHIBIT 13K 91216 x RW4 OVG 2 RW3 SYN wo RW2 2 RW1 BAT cLock cock M9706 PULSE PULSE e inhibits via pa 81265 parameter 4 A gt 1217 RWCS e RWC7 RWC6 RWCS Clock Pulse generating while MUXbus M9706 2 fa circuit used to Jateh aux Clock Pulse generating circuit used are changing lt 1240 P204 Scc hors fo latch operating channel number every 310 uS R1266 4 J4 4 101 Channel Display Timing 0 See Channel Display 13K Q1218 FWCA amp FWC3 FWC2 yo FWCI Diagram M9706 a Fa STROBE zz S8 R1267 b 433 Ase 13K 01219 8 FWCS FWes zs 2 a Latches and L 2 0015 decodes MUNDUS R1268 1 _ d C u
13. 12 3X 01220 Aper Apes 3 4US M9706 MONOS TABLE Ir d 9 d Provides pulse to latch MUXbus Address and Data into STATION PARAMETER STATUS DISPLAY MATRIX U1201 and U1203 Ase Ase pP gt 38 EEPS 35230 8 TLN2419A DIAGNOSTIC METERING PANEL CIRCUIT BOARD DETAIL 1212 C1206 ci2 n e 5 5 5 21 8 Soke NN a N ST ST z of 5 9 S 2 8 ST 84239 5 8 8 z 2 z amp E EJ 3 a e a m at hu x S S aL x w o TN o nd o 1 G3 d d S gl T o N M i5 S i D i on al S us S 2 10 E 10 amp tE oen E d C1205 DS eto 051209 Te T e o ire ES i S 4206 5 1 de S C1210 C4209 um pm TO N gi T 512088 b E M 2 wien e fih a d m S x a 4o Hd ala S 1 a b E lA s S is 2 lt S xt o a a a ME NE d NS amp E a p b of N gt dis ERO e 1208 4 NOTE 4201 ES 8 OT 4229 81233 E E 4 S ge Ae us d 4 B sT 4 gt 91208 E Ci242 S OW 9 gt 5 gt T a 9 46 in 245 Ble 8 i 7 8
14. 1210 CATHODE K DS1201 THRU 051208 SEE DETAIL BELOW 4 THE BOXED NUMBERS CORRESPOND TO THE SCHEMATIC DIAGRAM A AND B CORRESPOND TO SWITCH SEGMENT 4208 AND 512088 RESPECTIVELY our Ld GND 3 GND 2 1N 123 NUN IN OUT Ut213 U1214 GND U1216
15. 2 Au dio is also mixed with select audio local speaker by the station control module 4 13 RX1 ACT RECEIVER 1 ACTIVITY 2 DO The RX1 ACT bit indicates whether the primary receiver has audio present with the proper qualifiers to unmute re ceiver audio This condition is set for each channel by four qualifiers in the station control module code plug These qualifiers determine what combination of the four MUX bus bits RX PL DS R1 PLDT R1 UN SQ and AUX DET are ANDed to obtain RX1 ACT The station control mod ule responds to an active RX1 ACT by opening the RX1 audio gate This gates RX1 audio to both the line audio outbound wireline and select audio local speaker lines RX1 audio is also gated to the station control module re peater audio gate If the station is transmitting due to a RPT PTT then the repeater audio gate will be open and RX1 audio will be gated via the IDC circuit to the TX modulation audio line 4 14 RX PL DS RECEIVE PL DPL DISABLE 3 D3 The RX PL DS bit causes the station to revert to carrier squelch only operation for purposes of determining status of RX1 ACT and RX2 ACT The Monitor and Receiver Squelch On Off wireline functions utilize RX PL DS Also the station control module front panel PL Disable switch activates RX PL DS 4 15 R1 PL DT RECEIVER 1 PL DPL DETECT 3 D2 The R1 PL DT bit is active when PL DPL coded squelch is being detected via Receiver 1 4 16 R1 SQ LV RECEIVER 1 SQUELC
16. 243 C1244 C1245 C1246 C1247 C1248 1249 C1250 CR1201 1202 CR1203 CR1204 DS1201 thru 1208 DS1209 1210 F1201 J1201 J1202 J1203 41204 41205 11201 91210 thru 1204 Q1205 thru 1220 Q1221 R1201 thru 1204 R1205 R1206 thru 1212 R1213 thru 1216 R1217 1218 R1219 thru 1222 R1223 thru 1226 R1227 R1228 R1229 R1230 1231 R1232 R1233 R1234 R1235 R1236 R1237 R1238 1239 R1240 R1241 1242 R1243 R1244 R1245 1246 R1247 R1248 R1249 R1250 R1251 R1252 R1253 thru 1268 MOTOROLA PART NO 8 11017A02 8 11017 17 21 11022K50 23 84665F 17 23 84665F32 8 11017A17 23 11019A09 8 11017A20 8 11017A17 21 11022K50 8 11019A02 23 11019 40 23 83210 24 23 11019A40 21 11021G07 21 11021G07 8 11051A16 21 11021G07 21 11022K50 21 11022K25 8 11017A10 21 11022 25 21 11015B09 21 11021G07 48 11034A01 48 84616A09 48 11034A01 48 84329N01 48 82771L03 65 82408R01 28 83835N01 9 831112N02 9 88254C03 9 88254C01 28 83143M05 25 82786N01 48 869649 48 869706 48 869653 6 11009A89 6 11009A62 6 11009A89 6 11009A89 6 11009A56 6 11009A23 6 11009A56 6 11009B05 6 11009B14 6 11009A42 6 11009A84 6 11009A62 6 11009A97 6 11009A56 6 11009A34 6 11009A10 6 1100942 6 125B70 6 10621C56 6 10621C53 6 11009B14 6 11009B05 6 11009B14 6 11009A76 6 11009A69 6 11009A23 6 11009A76 PL 8196 C DESCRIPTION capacitor fixed uF 5 50 V uniess otherwise
17. 51211 13 actuated to the ENTER DATA position The atched data 15 written the MUXous 800thru when U1210B 6 goes Ref Logic Desig 5V Gnd Description 01201 24 12 4 Bit Latch amp 4 Line to 16 Line Decoder U1202 16 8 Dual Monostable Multivibrator U1203 16 8 Quad D Type Flip Flop With Clear U1204 5 16 8 BCD to Hex 7 Segment Latch Decoder Driver U1206 16 8 Inverting Hex Buffer 01207 8 16 8 Quad Latch U1209 14 7 Quad Exctusive OR Gate U1210 14 7 Dual 5 Input Positive NOR Gates With Totem Pole Outputs 01211 14 7 Quad 2 Input Positive NAND Gates With Open Collector Outputs U1216 5 Volt Regulator Pin 1 Fused A Pin 2 Logic Gnd Pin 3 5V U1217 1 13 16 8 TTL or CMOS to CMOS Hex Level Shifter 14 68P81114E03 2 12 88 1203 wo Ht SELECTED DATA REGISTER CIRCUIT MUXbus DATA DISPLAY LATCH Creates Delay approx 6 7 uS to insure U1201 strobe pulse after inhibit goes
18. 8 d dk ae Bla j f 2 S 8 4209 25 04217 2 is E t 4 00216 3 cH 2 o E E amp Sige f g 8 x tl ol ET TEST E si 44214 og x amp I i amp amp 51246 SES 44207 39 _ _ i com a P1 E 4204 Ed S z ao E x E c dd 3 ENTER 2 3 x d C DATA w d sT N i ST 4203 44204 RED BLK v v COMPONE SOLDE SIDE SHOWN FROM COMPONENT SIDE 12 68P81114E03 2 12 88 COMPONENT SIDE SOLDER SIDE BD EEPS 36182 8 BD EEPS 36183 8 OL EEPS 36184 8 Ca 34201 1 2 3 4 5 6 AUDIO GND AUDIO 6 7 AUDIO GND AUDIO GND 9 10 AUDIO GND NOT USED 1i 12 EXPANSION RESET 15 14 BAt BA2 5 16 80047 BDT 02 19 20 803 LOGIC GND 21 22 DS NOT USED 23 4 NOT USED NOT USED 25 26 NOT USED NOT USED 27 28 NOT USED USED 29 30 NOT USED NOT UsED 34 32 sELECT AUDIO NOT USED 33 34 NOT USED NOT UsED 35 36 NOT USED AUDIO GND 37 38 NOT USED NOT USED 39 40 AUDIO GND 41202 1 2 METER 2 METER3 3 4 METER 4 METER 515 6 NOT USED METER COMMON 7 NOT USED NOTES 1205 METER SPKR SPKR BASE DETAILS 1 m TOP VIEWS CBE 629 01201 THRU 91220 91224 IN GND OUT Ut218 COM DS1209 08
19. ECTOR 41202 Figure 2 Diagnostic Metering Panel Edge View FAEPS 36238 A 1624 Figure 3 Diagnostic Metering Panel Internal View data lines define 16 words of 4 bits cach or 64 total bits as shown in Table 1 These bits form a multi directional digital communications path The bus is multiplexed to conserve interconnections 64 connections reduced to 9 and to increase future expansion capability The data strobe and the four address lines are driven by the station control module The data lines are inverted and open col lector driven in both the station control module and the This allows the station control module and the DMP to drive the same bit in a nondestructive wired OR fashion The MUXbus timing diagram is shown in Figure 4 The address lines are incremented once approximately every 310 microseconds The address changes when data strobe is inactive DS 1 The data must be valid for 1 micro 7 15 90 second before the rising edge of DS The data must be val id for 15 microseconds after the rising edge of DS At cer tain times the MU Xbus may be momentarily halted e g during Channel Scan The halt is in effect an extended period of inactive data strobe The address lines will be driven but will remain at the address of the MUXbus cycle just prior to the halt The data lines are in a don t ca
20. ED ASSEMBLY voltage probe BLK in cludes P1204 and WIRE test probe BLK 36 used PROBE test BLK THN6486A Housing and Hardware Kit REFERENCE MOTOROLA SYMBOL PART NO 151201 50 84450 01 M1201 72 83319G01 W1201 30 83941N02 W1202 30 84225N02 PL 8197 B DESCRIPTION speaker 4 ohm 5 W 3 meter 50 uA cable assembly 40 conductor includes connectors 8 conductor includes connectors mechanical parts 2 10101A91 3 10907A10 3 83498N03 3 83498N 12 3 83938N01 4 84180C01 7 83830N01 14 83022P01 14 84268A01 15 83826N01 15 83827N02 42 10128A14 42 10217 02 42 82143C09 47 84568N01 47 84568N02 75 82230B14 75 84215A03 NUT spring 4 used SCREW machine M2 5 x 0 45 x 6mm 2 used SCREW tapping M3 5 x 0 6 x 13mm 4 used SCREW tapping siotted star 3 used SCREW self retaining 10 32 x 1 1 8 2 used WASHER shoulder 3 used BRACKET meter INSULATOR board INSULATOR transistor 3 used HOUSING top HOUSING bottom RING screw retaining rubber 2 used STRAP tie 091 x 3 62 WHT 2 used CLIP cable ROD mounting right hand ROD mounting left hand PAD rubber 2 used BUMPER recessed 4 used REVISIONS PEPS 36253 REF TLN2419 DIAGNOSTIC ISSUE KIT SYMBOL CHANGE LOCATION j A TRN5174A C1229 DELETED SCHEMAT
21. H LEVEL 3 D1 The R1 SQ LV bit changes the carrier squelch threshold When R1 SQ LV is active the primary receiver is operat ing with loose squelch 4 17 R1 UN SQ RECEIVER 1 UNSQUELCH 3 00 The R1 UN SQ bit is a status only bit and is active when the Receiver 1 audio carrier squelch circuit on the station control module detects activity R1 UN SQ is used for au dio gating refer to RX 1 ACT not for repeater keying refer to RPT PTT 4 18 R2 MUTE RECEIVER 2 MUTE 4 D3 The R2 MUTE bit causes the second receiver control module to attenuate the audio driving the R X2 audio line so that Local or RX1 audio can be heard on both the line 7 15 90 DIAGNOSTIC METERING PANEL audio outbound wireline and select audio local speak er lines The attenuation is accomplished by means of a potentiometer on the second receiver control module Therefore RX2 audio can be fully muted if desired 4 19 R2 PL DT RECEIVER 2 PL DPL DETECT 4 D2 The R2 PL DT is active when PL or DPL coded squelch is being detected via Receiver 2 4 20 R2 SQ LV RECEIVER 2 SQUELCH LEVEL 4 D1 The R2 SQ LV bit changes the carrier squelch threshold When R2 SQ LV is active the second receiver is operat ing with loose squelch 4 21 R2 UN SQ RECEIVER 2 UNSQUELCH 4 BO The R2 UN SQ bit is a status only bit and is active when the Receiver 2 audio carrier squelch circuit on the second receiver control module detects activity R2 UN S
22. IC METERING PANEL Cina thre 1236 WERE 0 1 uF PARTS LIST amp 21 11021604 PCB SCHEMATIC DIAGRAM AND PARTS LISTS CR1203 WAS 48 11034A01 DS1209 1210 WERE 48 82771L01 CONTROL R1219 thru 1222 WERE 510 OHMS 4 2 44204 6 11009A42 3 h pes R1227 WAS 6 8k 6 11009A69 aoe PROBE V f R1243 1244 WERE 3 6k 6 11009A62 7 10 GND Hee AUDIO R1294 ADDED AUDIO GND4 9 ee T 21248 R1293 KNOB 36 83144N01 2 ADDED PARTS LIST necie EXPANSION RESET PROBE V THN6486A F1201 ADDED PARTS LIST o NOTE INSULATOR 14 83022P01 ADDED 2 Ye e KNOB 2 DELETED RDS ie e Bor 1 Unless otherwise specified all resi i CUNT sistor values are in ohms i RING WAS 42 82234G01 Ble e 803 values are in microfarads ms and all capacitor LOGIC GND ee 65 int mu METER N C ee N C a i egrated Circuit Data Chart N C o N C et Audio BUFFER UT Desig Gnd Description METERS AMPLIFIER NC oe N C U1213 5 if 2 3 Power Amplifier JI205 1 NC ye N C U1214 5 3 in METER 4 Pi205 1 3 U1215 Power Amplifier 71 NC 4e e SELECT AUDIO 01218 4 11 Quad Differential Input Operational Amplifier METER 3 BLU N C ee N C 5 Regulator Pin 1 5V Pin2 Audio Gnd Pin 3 Fixed A METER 2 POSITION REVERSING 2210 e I NC SWITCH AUDIO GND 9l N C METER 1 N C Te AUDIO GND METER COMMON PIN VIEW INTERCONNECT JACK NOT USED BRIDGE POWER LATCH UNUSED CIRCUITS AMPLIFIER g
23. MOTOROLA INC DIAGNOSTIC METERING PANEL Communications Sector MODEL TLN2419A FAEPS 48002 O T805 Figure I Diagnostic Metering Panel Front View 1 DESCRIPTION plifier and speaker and a meter used to monitor the sta ion transmitter and receiver circuits The meter circuit 11 GENERAL provides five selected metering positions as well as a 10 volt or a 25 volt full scale dc voltmeter selected posi tion The DMP also provides a station parameter status The Diagnostic Metering Panel DMP is a service option display matrix which permits the service technician to si designed specifically for the MSF 5000 series of base and multaneously monitor the status of up to 64 different sta repeater stations The DMP includes a 5 watt audio am tion operating parameters bits as shown in T ble 1 Motorola Inc 1990 All Rights Reserved Printed in U S A 68P81114E03 D 7 15 90 UP technical writing services 1301 E Algonquin Road Schaumburg IL 60196 Table 1 Station Parameter Status Display Matrix SPXMT SCAN ALM RI PLDT R1 SQIV 4 4 UTE R2 PLDT R2SQIV 5 AUX DET PT KD EX DA oer Jg z 5 5 3 R1UN e R2 UN SQ N ea EE Q ij 2 x n 3 a Q DVP C C x g gt e gt Q Baud Rate UX C1 UX C1 o
24. OC is encoded un less the RB TOC is caused by the Line PT T TOT timing out If the station is so equipped LIN PTT switches the antenna switch to its transmit state Line Local and Re peater PTT priorities are set for each channel by station control module code plug qualifiers 48 LOC PTT LOCAL PUSH TO TALK 1 D1 The LOC PTT bit keys the transmitter modulating with Local Audio if no higher priority PTT isactive LOC PTT says active if a higher priority PTT is active LOC PTT is inactive when RB TOC is encoded unless the RB T OC is caused by the Local PTT TOT timing out If the station is so equipped LO C PTT switches the antenna switch to its transmit state LOC PTT is active if the PTT switch is depressed on the local microphone plugged into the sta tion control module front panel CONTROL connector J812 Line Local and Repeater PTT priorities are set for each channel by station control module code plug qualifi ers The front panel XMIT switch on the station control module will activate TX PL DS and key the station with out activating the LOC PTT bit on the MUXbus This key will be without PL or audio silent carrier thusly defined it is not a truc PTT and can be overridden by any other PTT 49 INTCOM INTERCOM 1 DO The INTCOM bit is active if the remote control module INTERCOM switch is actuated When INTCOM is ac tive the station control module treats LOC PTT as an In tercom PTT Local Audio is gated to
25. Q is used for audio gating refer to RX2 ACT The second re ceiver can neither key the repeater activate RPT PTT nor modulate the transmitter 4 22 GD TN DT GUARD TONE DETECT 5 D3 The GD TN DT bit becomes active whenever high level guard tone is detected from the TX Audio signal inbound wireline by the tone remote control module In stations with an antenna switch the station control module re sponds to an active GD TN DT by switching the antenna switch to its transmit state The TX Audio signal is muted on the station control module while GD TN DT is ac tive in order to prevent remote control tones from being transmitted 4 23 AUX DET AUXILIARY DETECT 5 D2 The AUX DET bit indicates that an optional decoder is detecting The optional decoder may be connected to ei ther Receiver 1 or Receiver 2 audio AUX DET can be used to activate TX1 ACT RX2 and RPT PTT in a manner similar to the R1 PL DT and UN SQ qualifi ers 4 24 RPT KD REPEATER KNOCK DOWN 5 D1 The RPT KD bit disallows a repeater PTT Also this bit forces an existing active RPT inactive 425 RPT USQ REPEATER UNSQUELCH 5 DO The RPT USO bit is a status only bit and is active when the Receiver 1 repeater carrier squelch circuit located on the station control module detects activity This bit is used to key the repeater not to gate audio refer to RPT PTT 68P81114E03 7 4 26 DIS ACCESS DISABLE 6 D3 The ACC DI
26. R1258 13K 4 BIT LATCH amp 4 1 1 TO 16 LINE 31201 DECODER R1208 A Bag 13 gt 4 pe 2 47K rff 81209 Y 14 gt 4 gt Address 4 Lines R1210 Baz 15 p 4 i 21 47K 0 RI21 22 16 gt Pom E gt Qi R1207 EXPANSION RESET 14 15 EXPANSION RESET EXPANSION RESET 12 p T p EXPANSION RESET gt gt Ls 47K t UIOS F 4 x Provides status display LED protection by inhibiting At occurance of Expansmn ME Y U1201 whenever MUXbus bit Reset Signal WRITE circuit stops toggling is inhibited trom writing R1212 4 MUXbus data lines 47K i 81263 When Hi ali 13K outputs low 6 5 5 Xx 7 12108 90 gt A gt AUDIO GND UI206A 37 40 DS Hi inactive inhibits dL 01201 station parameter i Status display for approx imately 56 uS while MUXbus lt addres tines are changing gt 4 9 MS every 310 uS R1266 MONOSTABLE 16 13K R1206 DS 81245 0 22 P 5 47K T ST LA Ci217 5 _ _ decodes MUXbus lected data of Data REGISTER CIRCUIT s 57202 thru 51205 4 3 is entered into gt Latch U1207 when uzn oS is actuated to the 5 a MUXbus DATA SELECTED DATA D DISPLAY LATCH
27. S bit is a status only bit and is active when the Access Disable station control module switch is actu ated ACC DIS active indicates that the following five functions are inhibited 1 Auto ID 2 Alarm tones 3 Time out timers 4 Repeater PTT initiated from the pri mary receiver and 5 Wire line commands including Line When Access Disabled the station operating chan nel is selected with the CHANNEL select switch located on the front panel of the remote control module The pre vious station operating channel is remembered by the station control module and reinstated when the Access Disable switch is deactivated If there isno remote control module connected as part of the station repeater only op eration the DMP channel display will show 0 but the station control module will equate this with Channel 1 op eration 4 27 EX DA DT EXTERNAL DATA DETECT 6 D2 The EX DA DT bit when active can cause the station control module to mute TX and or local and or RX1 Repeater audios under code plug programming con trol This bit can allow or disallow selected mixing of these audios with TX data audio onto the TX modulation audio line Which of the three audios is muted depends on which PTT is keying the transmitter The intent is to op tionally prevent audio from mixing with TX Data audio Whether or not mixing occurs is determined by a qualifier for each channel in the station control module code plug 4 28 DVP SEL
28. These two actions cause 54 mun ala 051201 thru DST406 tone status display matrix 81223 pizza 8225 R226 TEST n DS1202 DS1203 __ 051204 _ _ LEGEND SCAN T ALM 01 ALM DIS P 01203 Decodes and latches scan Lo XU THEORY NOTE RESS COMPARATOR CIRCUIT R1253 gt LOGIC GND amp 13K LIN PTT LOC PTT INTCOM 2 M9706 2 4 1 P D CONTROL SIGNAL P RI254 1 Yd T 13K Q1206 TX ACT RX2 ACT RX1 ACT 9706 i 2 BCD TO HEX Li 1 Li 7 SEGMENT 7 SEGMENT LATCH DECODER LATCH DECODER 9 13K T R1 SQ LV UN SQ Q1207 RX PL D Rt PL OT DRIVER DRIVER 8 M9706 P EN e le jo je is 02 Of D 03 C2 01 D 81256 t ales 13K 01208 R2 MUTE po R2 PL OT 1 R2 SQ LV R2 UN SQ CLK uos CLK 01205 M9706 ose t 4 4 1 4 rS B c D E rS CHANNEL DISPLAY TIMING DIAGRAM R1257 1 12 13 t4 15 1 D RPT USQ A 13K 91209 GO TN OT AUX DET RPT seors R1258 4 H 4 58 13K Q1210 ACC DIS EX DA OT DVP SEL DVP C C LLL 2 c 2 2 4 BIT LATCH amp M9706 H HH HH 4 LINE TO 16 LINE R1259 4 4 DECODER pu 2 i M3706 2 LOAD LATCH 4 R1260 ZJ E DS4210 091209 DATA DATA pot BK 01212 1205 031206
29. a relay closure or an open collector output These closures and or outputs can then be used to control equipment external to the station COMPUTER SOFTWARE COPYRIGHTS The Motorola products described in this instruction manual may include copyrighted Motorola computer programs stored in semiconductor memories or other media Laws in the United States and other countries programs including the exclusive right to copy or reproduce in any fo Motorola computer programs contained in the Motorola products desc manner without the express written permission of Motorola Furthermori directly or by implication estoppel or otherwise any license under the normal non exclusive royalty free license to use that arises by operati 7 15 90 preserve for Motorola certain exclusive rights for copyrighted computer rm the copyrighted computer program Accordingly any copyrighted ribed in his instruction manual may not be copied or reproduced in any the purchase of Motorola products shail not be deemed to grant either copyrights patents or patent applications of Motorola except tor the on of law in the sale of a product EPS 34440 B 68P81114E03 9 parts list TRN5174A Diagnostic Board REFERENCE SYMBOL C1201 C1202 1203 C1204 1205 1206 1207 C1208 1209 1210 C1211 C1212 thru 1214 C1215 1216 C1217 C1218 C1219 C1220 C1221 C1222 C1223 thru 1228 C1229 C1230 thru 1235 C1236 C1237 thru 1239 C1240 1241 C1242 C1
30. e station control module RW4 is active when the station battery char ger power supply indicates that the external customer supplied station emergency batteries are providing too much voltage e g are overcharged SYN Reverse Wild Card Bit 3 Synthesizer Un lock 12 D2 The RW3 SYN bit is the transmit or primary receiver syn thesizer unlocked internal station alarm parameter and is activated by the station control module RW3 SYN is active when either the transmit primary receive or both synthesiz ers are unlocked PA Reverse Wild Card Bit 2 PA 12 D1 The RW2 PA bit is the rf power amplifier fail internal station alarm parameter and is activated by the station control module RW2 PA is active when the rf power amplifier has DIAGNOSTIC METERING PANEL failed A successful keyup or a station control module reset is required to clear the alarm The alarm may be active when the transmitter is de keyed due to a prior failure PA Fail means that one or both of the station control module PA status lines On or PA Full Power are inactive 30 45 msec after the start of a keyup or for 30 45 msec continu ously during keyup thereafter RW2 PA is not activated by the station control module if the PA is not keyed at full pow er due to the station control module personality EPROM rf power cut option If the station control module service jumper JU801 is installed the station control
31. hat the DMP be dis connected from the control tray via J800 during station power up This prevents the station from being initially activated in a possible undesirable function However if the station is powered up with the DMP connected and an undesirable condition does occur place the four DATA switches to the OFF position and then toggle the ENTER DATA switch This will deactivate the four DMP data bits applied to the MUXbus Data Line and remove the unde sirable condition 7 5 90 DIAGNOSTIC METERING PANEL An active condition is also cleared when the ADDRESS switch is moved to a different address and the ENTER DATA switch is used to activate a MU Xbus bit at the new address For example suppose it is desired to verify that the proper alarm tones would be sent by the station in the event of a PA failure To simulate this alarm condition using the DMB set the ADDRESS switch to 12 the row containing the PA alarm signal and flip the data switch up for the column containing this signal D1 Flip the ENTER DATA switch illuminating the LED in the status display for PA alarm and activating a simulated PA failure alarm If the station is working properly two beeps will be heard If the D1 switch is turned to the OFF position and the EN TER DATA switch is activated the PA alarm LED will turn off and the alarm beeps will cease Likewise if the ADDRESS switch is moved to address 1 and the D1 switch is left in the up positio
32. module will activate RW2 PA regardless of the PA status lines This is a reminder that the rf power amplifier is operating in a non standard manner RWI BAT Reverse Wild Card Bit 1 Battery Revert 12 DO This bit is the battery revert internal station alarm parame ter activated by the station control module RW1 BAT is ac tive when the station battery charger power supply indicates that the station has lost ac power and has switched to emer gency battery backup RW1 BAT becomes inactive as soon as proper ac power is restored to the station 5 2 EXTERNAL STATION ALARMS RWC 5 RWC 6 RWC 7 amp RWC 8 Reverse Wild Bits 5 thru 8 13 D3 thru 13 DO Reserved for those reverse wild card applications which provide an interface between external station inputs and the MUXbus These parameters can also provide additional alarm input capability thru information contained in the sta tion control module code plug which allows these bits to be identified as alarm inputs 53 FORWARD WILD CARD PARAMETER BITS FWC 1 FWC 2 FWC 3 amp FWC 4 14 D3 THRU 14 D0 and FWC 5 FWC 6 FWC 7 amp FWC 8 15 D3 THRU D D0 Use of the Forward Wild Card bits up to 8 bits on ad dresses 14 amp 15 require the wild card module four out puts per card which resides in the Control Option Tray Re mote wireline control activates these bits The wild card control module responds by activating
33. n then when the ENTER DATA switch is activated the PA alarm LED will turn off the alarm beeps will cease the LOCal PIT LED will illu minate and the station will key up NOTE Status only bits when activated by the DMP will cause their corresponding LED to light but will not affect a change in sta tion operation The station causes these LEDs to light when it has successfully ac complished a certain function 4 MUXBUS BIT DEFINITIONS 4 1 INTRODUCTION The following paragraphs provide definitions for each of the 64 operating parameters MUXbus Bits displayed by the DMP Each of these bits may have their state changed by the DMP Each paragraph title gives the MUXbus Bit mnemonic definition and row column address required for access in the form D respectively 42 SP XMIT SPECIAL TRANSMIT 0 D3 The SP XMIT bit indicates that the deviation and or the rf PA power should be either boosted or cut defined by information in the station control module code plug The default condition in the station control module code plug upon activation of this MUXbus bit is deviation control This bit will only have an effect during a PTT The activa tion of this bit by itself will not key the station 4 3 SCAN SCAN ENABLE 0 D2 The SCAN bit forces the station control module to enable the primary receiver as a scanning receiver The station must be ordered with the Channel Scan option in order for this feature to ope
34. pes of signal lines provided as follows audio line dedicated logic line multiplexed logic MUXbus lines power and ground lines 2 68P81114E03 SELECT AUDIO Pin 32 Audio Line The Select Audio signal originating on the station control module is the audio input for the local speaker amplifier circuit in the DMP Any of the following audio signals will be present on the select audio line when it is properly gated by the control circuits in the station primary receiv er audio secondary receiver audio transmit audio from the remote wire line and automatic station LD and alarm tone audio The Select Audio line is connected to the wiper of the VOLUME control on the control tray front panel Therefore the dc bias level and ac level on the line vary depending on the VOLUME control setting The DMP employs an audio power amplifier circuit to provide up to 5 watts of local service audio from the Select Audio signal through the DMP internal 4 ohm speaker The audio power amplifier circuit can be disabled with SPEAKER ON OFF switch 1210 located on the face of the DMP By connecting an optional microphone HMN1001 to CONTROL Jack 1812 on the front panel of the station control tray the transmitter can be locally keyed and modulated or intercom with the remote con trol console operator can be accomplished EXPANSION RESET Pin 12 Dedicated Logic Line The EXPANSION RESET signal is a shared logic line which allows a clean
35. rate Only the primary receiver can scan 68P81114E03 5 44 TALM DS TOTAL ALARM DISABLE 0 D1 The T ALM DS bit mutes all alarm tones until this bit is deactivated This bit will deactivate the station control module alarm bits on the Reverse Wild Card bits 1 through 4 but will not affect the other Reverse Wild Card bits on the MUXbus Pulsing T ALM DS for 25 msec or longer will release S ALM DS if active 45 S ALM DS SELECTIVE ALARM DISABLE 0 00 The S ALM DS bit is meant to support a nuisance avoid ance alarm feature The console operator can mute in progress alarm tones without fear of missing any new alarms For example initially all alarm bits Reverse Wild Card bits addresses 12 amp 13 and S ALM DS are inactive alarm condition activates an alarm bit and alarm tones are heard The wireline control pulses S ALM DS active for 25 msec or longer in response to a remote control console command and the alarm tones are muted If the alarm condition were to disappear the corresponding alarm bit would be deactivated S ALM DS would be cleared and no alarm tones would be heard since no alarm bit is active If instead a second alarm bit were activated while the first alarm was active S ALM DS would be deactivated and alarm tones for both alarms would be heard The wireline control could re enable S ALM DS then alarm tones for both alarms would be muted S ALM DS does not deactivate the MUXbus alarm bit
36. re state during a halt and may be random Any MUXbusbit activated by any module other than the station control module which does not change the state of the station is called a status only bit As an example of a status only bit Transmitter Activity TX ACT is activated by the station control module whenever the transmitter has successfully keyed But if the DMP activates TX ACT the transmitter will not key Thus TX 68P81114E03 3 ACT is a status only MUXbus bit All status only MUXbus bits are signified in Table 1 by a double asterisk Approx 65 usec fe Puise Width i e Approx 310 usec 55 i li U A 1 Fog i i REED 4 4 Ato AY 1 l i 05 gt hoof OH tusec 15 usec 1 l Data Dig Don t Care Dut vai BDO BD3 a 1 Address 10 is Data Set Up Time Data must valid at least 1 microsecond prior to DS rising edge is Data Hold Time Data must be valid at least 15 microseconds after the rising edge of DS At is any address and At is the next address Dt is the data corresponding to At etc AEPS 35788 0 Figure 4 MUXbus Timing Diagram 13 DMP 8 CONDUCTOR METERING CABLE The 8 conductor metering cable connects the DMP ME TER Jack J1202 to either the station TX Metering or sta tion RX Metering Jack The TX and RX Metering Jacks 3413 and J210 respectively a
37. re both located on the sta tion RF Tray front panel The PA Metering Jack 7503 is located on the PA Distribution Board within the station Power Amplifier Deck This cable provides interface lines which connect five metering lines and a meter common line to the DMP as shown in Table 2 1 4 VOLTAGE PROBES The two voltage probes plug into two jacks provided on the bottom edge of the DMP RED J1203 J1204 Each of the probes is equipped with a reversible blunt or pointed tip 2 METERING FACILITIES The DMP provides a measured indication for the signals listed in Table 2 on a 0 50 pA full scale meter M1201 4 68P81114E03 7 The proper indications are the same as those obtained us ing a Motorola Portable Test Set or 5 Meter Panel as described in the MSF5000 Base Station and Repeater Instruction Manual A specific meter position is selected by using the METER selector switch 51208 on the face of the DMP When METER selector switch 1208 is in the 10 V or 25 V position the meter monitors the volt age probes and is calibrated to read full scale voltage in stead of full scale microamperes IMPORTANT When measuring the power amplifier cir cuits via 503 meter REVERSING switch 1209 must be placed in the or re verse position METER REVERSING switch 1209 is normally in the or forward position when the DMP is con nected to either J413 or J210 TX
38. s but merely mutes the alarm tones 4 6 RPT PTT REPEATER PUSH TO TALK 1 D3 The RPT PTT bit keys the transmitter modulating with RX 1 Audio if no higher priority PTT is active If a high er priority PTT is active the station control module deac tivates RPT PTT If the repeater PTT time out timer TOT times out RPT PTT will be deactivated and the transmitter will dekey If repeater knock down RPT KD goes active while RPT PTT is active RPT PTT will be deactivated PL reverse burst or DPL turn off code RB TOC will be encoded if appropriate and the transmitter will dekey RPT PTT is active during repeater drop out delay RPT PTT is inactive when RB TOC is encoded The station control module turns on RPT PTT if repeater audio activity exists on Receiver 1 and if RPT KD is inac tive and if no higher priority PTT is active Repeater audio activity is set for each channel by station control module code plug qualifiers These qualifiers determine what combination of the four MUXbus bits RX P L DS Ri PLDT RPT USQ and AUX DET are ANDed to ob tain RPT PTT Line Local and Repeater PTT priorities are set for each channel by station control module code plug qualifiers 47 LIN PTT LINE PUSH TO TALK 1 02 The LIN PTT bit keys the transmitter modulating with TX Audio inbound wireline if no higher priority PTT is 6 68P81114E03 active LIN PTT stays active if a higher priority PTT is ac tive LIN PTT is inactive when RB T
39. t NOT USED l METER A METER SPEAKER C1203 SPEAKER CONTROL 5 P O 04 4 J1205 com 525 PIN VIEW SELECT T 220PF 3 84244 AUDIO i 1 C1206 1212 330 04 Ci245 RI237 401205 i Ji205 3 240 1590 1208 3 FRONT VIEW RI238 BLK 2 1201 24 RS 151201 5W 4 OHMS 5 VOLT REGULATOR OUTPUT LIMIT METER PROTECT CIRCUIT R Pi205 4 JACK 540 J1205 4 AUDIO GND A 207 TO DIAGNOSTIC PROTECTION CIRCUIT WILL LIMIT SPEAKER B 330 AND CONTROL OUTPUT TO LESS THAN 7W BY ATTENUATING L LOGIC GND 21 SECTION INPUT SIGNAL CIRCUIT WILL NOT BEGIN 2 ATTENUATING UNTIL AFTER 5 OUTPUT RI244 HAS BEEN ACHIEVED 4 02K C1216 4 220PF 8 8 A guo 1 NOT USED Qux R1242 METER COMMON 4 C1208 1 CRI203 91 NOT USED METER 5 LEGEND cus 4 AUDIO 6ND METER 3 METER 2 000 SIGNAL PATH Xx THEORY NOTE DEPS 35229 A Le METER 1 4 22 88 68P81114E03 13 TLN2419A DIAGNOSTIC METERING PANEL SCHEMATIC DIAGRAM NOTES 1 Unless otherwise specified all resistor values are in ohms and all capacitor values are in microfarads Integrated Circuit Data Chart MUXbus WRITE CIRCUITRY DATA SELECT SWITCHES SELECTED DATA LATCH Data output selected data o Data Select Switches 57202 thru 51205 500 thru SD3 is entered into Sefectea Data Latch U1207 when switch
40. vated translate to alarm tones and are sent to the remote control console via the outbound wireline Optionally the alarm tones may also be transmitted The alarms are tone bursts beeps The four bits in Address 12 are normally defined as internal alarms and do not require the wild card equipment Station conditions which the station control module mon 7 15 90 itors cause the station control module to write to these bits which in turn send the alarm tones NOTE If the four internal alarm bits of address 12 are activated by the DMP or some other control module connected to the MUX bus then the alarm beeps will be activated but the actual internal alarm condition will not be simulated For example if the PA Fail alarm bit RW2 PA were to be acti vated two alarm beeps would be sent but the PA itself would not be forced to dekey The station control module code plug contains information which determines whether an internal alarm gets written to the MUXbus and also if all of the reverse wild card MUXbus bits will be enabled to activate alarm tones Thus all 8 bits can be configured as external alarm inputs if de sired The maximum number of internal alarms is four 5 INTERNAL EXTERNAL STATION ALARMS 5 1 INTERNAL STATION ALARMS RW4 Reverse Wild Card Bit 4 Battery Overvol lage 12 D3 The RW4 OVG bit is the battery overvoltage internal sta tion alarm parameter and is activated by th
Download Pdf Manuals
Related Search