Motorola TLN2419A User Manual Download

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Summary of Contents for TLN2419A

Page 1: ...eter selected posi tion The DMP also provides a station parameter status display matrix which permits the service technician to si multaneously monitor the status of up to 64 different sta tion operating parameters bits as shown in Table 1 1 1 GENERAL The Diagnostic Metering Panel DMP is a service option designed specifically for the MSF 5000 series of base and repeater stations The DMP includes a...

Page 2: ...udio 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 Andio line is connected to the wiper of the VOLUMpcontrol on the control tray front panel Therefore the debias level and ac level on the line vary depending onthe VOLUME control ...

Page 3: ...it 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 CDS 1 The data must be valid for 1micro 7 15 90 edge of DS The data must be val the rising edge of DS At cer the MUXbus maybe momentarily halted e g halt is in effect an extended strobe Th...

Page 4: ...onitors the volt age probes and is calibrated to read full scale voltage in stead of full scale microamperes IMPORTA NT When measuringthe power amplifier cir cuits via J503 meter REVERSING switch S1209 must be placed in the or re verse position METER REVERSING switch S1209 is normally in the or forward position when the DMP is con nected to either J413 or J210 TX or RX Metering respectively 3 DIAG...

Page 5: ...n 7 15 90 68P81114E03 DI GNOSrrIC MErrEBING P NEL 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 MUXbus 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 DMP set...

Page 6: ...dulating 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 RBITOC is encoded un less the RBITOC 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 chan...

Page 7: ...MUTE RECEIVER 2 MUTE 4 D3 The R2 MUfE bit causes the second receiver control module to attenuate the audio driving the RX2 audio line so that Local or RXI audio can be heard on both the line 7 15 90 68P81114E03 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 fu...

Page 8: ... AUX Cl AUXILIARY CHANNEL 9 D3 TURU 9 DO These eight bits determine up to two sets of channels for the station A channel is a 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 pr...

Page 9: ...e station control module service jumper JUB01 is installed the station control 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 RWl BAT Reverse Wild Card Bit 1 Bauery Revert 12 DO This bit is the battery revert internal station alarm parame ter activated by the station control module RWI BAT is ac tiv...

Page 10: ...53 thru 1268 6 11009A76 13k REFERENCE MOTOROLA SYMBOl PART NO_ D SCRIPTION R1269 thru 1285 R1286 thru 1289 6 11009A89 R1290 1291 6 11009A76 R1292 R1293 6 11009A84 R1294 6 11009A49 S1201 S1202 thru 1205 S1208 S1209 S1210 S1211 U1201 U1202 U1203 U1204 1205 U1206 U1207 1208 U1209 U1210 U1211 U1213 1214 U1215 U1216 U1217 U1218 40 84226N01 40 83685N04 40 84449N01 40 83685N06 40 83685N04 40 83685N08 51 ...

Page 11: ... C N C 27 28 N C N C 29 30 N C N C 31 32 SELECT AUDIO N C 33 34 N C N C 35 36 N C AUDIO GND 37 38 N C N C 39 40 AUDIO GND JI201 lPIN VIEW RI236 CI203 2K RI232 510 0 1 CI215 1220PF CI245 f B NOTE TLN2419 DIAGNOSTIC METERING PANEL SCHEMATIC DIAGRAM AND PARTS LISTS 1 Unless otherwise specified all resistor values are in ohms and all capacitor values are in microfarads _ c I n e gratedCircui O h _r _ ...

Page 12: ...1 DATA SELECT 5V SWITCHES S 1202 I S1203 I B S 1204 D2J 51205 B Refer to Address Truth Table for switch output states 5V 5V 0 RI204 RIZ03 RIZ02 47K 47K 47K SELECTED DATA LATCH 6 0 o POL sOjj 00 o 01 ID SOl 01 01 02 13 U1207 II S02 02 02 03 I 03 03 S D3 eLK 5V B o IT A01 o o A I 2 0 SELECTED DATA REGISTER CIRCUIT U1Z03 O 01 12 02 13 03 I9 eLK eLR o EJo o 0 A2 0 0 0 0 A3 4 8 COM 5 o o SA3 FUSEDA 1 B...

Page 13: ...258 13K Q1210 M9706 R1259 13K R1260 13K LED GROUND SWITCHES Q1205 Q1220 17 015 R1261 13K R1263 13K Q1215 M9706 Provides pulse to latch AWXbus Addrfflss end Data Into U1201sndU1203 R1264 13K R1266 R1267 Latches and decodes MUXbus address lines 13K Q1218 M9706 13K R1268 13K STATION PARAMETER STATUS DI SPLAY MATRIX 89 Q1204 M9649 4 5V RI289 47K 88 R1226 82 10 9 6 5 03 02 0 O UI204 PfO J120 17 J 18 SO...

Page 14: ...TLN2419A DIAGNOSTIC METERING PANEL CIRCUIT BOARD DETAIL C1206 C1207 jf UI214 ui213 C1221 CI205 51208 NOTE I J1204 BLK v SIDE SHOWN FROM COMPON ENT SIDE COMPONEI SOLD 12 68P81114E03 2 12 88 ...

Page 15: ...OT USED 26 NOT USED 28 NOT USED 30 NOT USED 32 SELECT AUDIO 34 NOT USED 36 NOT USED 38 NOT USED 40 AUDIO GND o I Z Z 3 2 1 U1218 METER 1 OJ 12022 METER METER 3 3 4 METER 4 METER 5 5 METER COM 6 NOT USED MON 7 8 NOT USED DS1209 DS1210 J A GND 0 4 OUT 3 GND 2 IN 1 IN U1213 U1214 NOTES L THE BOXED SCHEMATIC BERS CORRESPOND TO SWITCH RAM AND a TO THE RESPECTIV yEGMENT S120SA AND CORRESPOND S1208S m JI...

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