Daniels VT-4B140-00-000 Page 24 Instruction Manual Download

Page: 24 / 30

DATE.: 3 MARCH 1999

BOARD No.: 50072-01

DWG REV DATE:

VICTORIA B.C .

DANIELS

ELECTRONICS

TITLE.: SECURE DIGITAL TX MAIN TOP COMPONENT LAYOUT

DWG No:

R13

R28

R30

LPF27

LPF25

LPF24

LPF23

LPF22

LPF21

LPF20

LPF19

LPF18

LPF17

R10

R24

R23

R21

R20

R19

R18

R17

R16

R15

R14

R12

R11

LPF16

LPF15

LPF13

LPF12

LPF11

LPF10

LPF9

LPF8

LPF7

LPF6

LPF5

LPF4

LPF2

LPF1

D20

D19

D18

D17

D16

D15

D14

D13

D12

D11

D10

C14

C13

C12

C11

C10 C9

R27

R26

R29

R25

C17

R22

LPF14

LPF3

Installed Jumpers

825R

LED1

SW1

BAS16

2N7002LT1

10K

BYJ17J

BAS16

10K

BAS16

68K1

1.0µF

10µF

1.0µF

10µF

604R

100nF

47K5

100nF

MC33172

47K5

1.0µF

100nF

4.7µF

LP2951

15K

10K

100nF

604R

100nF

1.0µF

10nF

82K5

10nF

Z B D

GND

9.5V

13.8V

ENA*

JU13

JU12

JU3

JU1

J10

JU14

TP1

TP2

TP3

TP4

TP5

TP6

TP7

JU2

JU10

JU9

JU8

JU7

JU6

JU5

JU4

JU11

3-6

3.6 Digital Base Transmitter Main Board Component Layout (Top)

DANIELS

ELECTRONICS

P25 Digital Base Transmitter Instruction Manual

xT4DBM6

Summary of Contents for VT-4B140-00-000

Page 1: ...stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without the prior written consent of Daniels Electronics Ltd DE is a registered trademark of Daniels Electronic Ltd registered in the United States Patent and Trademark Office Issue Preliminary Previous Issue Issue Date July 00 Previous Issue Date Daniels Electronics Lt...

Page 2: ... Name Signature Date NOTE The user s authority to operate this equipment could be revoked through any changes or modifications not expressly approved by Daniels Electronics Ltd The design of this equipment is subject to change due to continuous development This equipment may incorporate minor changes in detail from the information contained in this manual ...

Page 3: ...dio Inhibit 2 2 2 2 1 5 Allow Radio Check 2 2 2 2 1 6 Enable Status 2 2 2 2 1 7 Frequency Band 2 2 2 2 2 Channel Wide Settings 2 3 2 2 2 1 Frequency 2 3 2 2 2 2 Voice Signal Type 2 3 2 2 2 3 Squelch Type 2 3 2 2 2 4 CTCSS Tone 2 3 2 2 2 5 Enable Reverse Burst 2 3 2 2 2 6 DCS Code 2 3 2 2 2 7 DCS Invert 2 4 2 2 2 8 Enable Turn Off Code 2 4 2 2 2 9 Transmitter Power 2 4 2 2 2 10 Channel Bandwidth 2 ...

Page 4: ...Base Transmitter Front Panel 3 1 3 2 MT 4 Transmitter Case Exploded View 3 2 3 3 Digital Base Transmitter Block Diagram 3 3 3 4 Digital Base Transmitter Schematic Diagram 3 4 3 5 Digital Base Transmitter Main Board Component Layout Bottom 3 5 3 6 Digital Base Transmitter Main Board Component Layout Top 3 6 4 PARTS LIST 4 1 4 1 P25 Base Transmitter Main Board Parts List 4 1 4 1 1 P25 Base Transmitt...

Page 5: ...m 1 2 Manual Organization The organization of this manual reflects the modular makeup of the VT 4 product line Each module is fully described within its respective submanual all of which are contained within this document In general each submanual contains 1 A functional description and specification summary 2 A detailed technical description Theory of Operation and 3 Assembly setup and alignment ...

Page 6: ...0F3E or 16K0F3E Frequency Modulation Project 25 8K10F1E System Impedance 50 Ω Type N connector Duty Cycle 100 Continuous operation from 30 C to 60 C Emissions 66 dBw Transmitter Mismatch Protection 20 1 VSWR at all phase angles Operating Temperature Range 30 C to 60 C Operating Humidity 95 RH non condensing at 25 C Operating Voltage 13 8 Vdc Nominal range 11 to 16 Vdc 9 5 Vdc Regulated Transmit Cu...

Page 7: ... Hum and Noise 45 dB typical 1 4 3 Physical Specifications Physical Dimensions Width Height Depth 7 1 cm 2 8 in 12 8 cm 5 05 in 19 cm 7 5 in Module Weight 1 5 kg 3 3 lbs Corrosion Prevention Anodized aluminum construction Stainless steel hardware Selectively conformal coated glass epoxy 2 and 4 layer printed circuit boards Gold plated module connectors Module Design Compact Eurostandard modular de...

Page 8: ...al connection made through mated mother board assembly of the repeater subrack Type F standard connector complies with DIN 41612 Level 2 200 mating cycles 4 day 10 ppm SO2 gas test with no functional impairment and no change in contact resistance Digital I O 8 pin RJ 45 Handle Text Colour Red ...

Page 9: ...rogramming Software A special programming cable is used to connect the serial port of an IBM compatible computer to the Digital I O port on the front panel of the Transmitter module The Radio Programming Software runs under Window 3 1 Windows 95 98 or Windows NT Analog test modes may be selected by the Radio Programming Software as well as test modes specific to Project 25 digital operation such a...

Page 10: ...rgency Transmissions This option is not currently used 2 2 1 4 Allow Radio Inhibit This setting is not currently used 2 2 1 5 Allow Radio Check This option is not currently used In future repeaters this option will allow a dispatcher to query whether the repeater is switched on or off 2 2 1 6 Enable Status This option is not currently used When the option is enabled it will allow the transmitter t...

Page 11: ... 2 2 2 3 Squelch Type This option is available for ANALOG signals only and may be set to CSQ CTCSS or DCS With the CSQ option the transmitter will not send either a CTCSS subaudible tone or a DCS code along with the signal being transmitted With the CTCSS option the transmitter will send a subaudible Continuous Tone Coded Squelch System tone along with the audio signal Similarly when the DCS optio...

Page 12: ...2 5 kHz are supported for Analog channels while Project 25 channels are limited to 12 5 kHz 2 2 2 11 Deviation This is a read only field that shows the maximum amount that the transmitter frequency will deviate This field changes automatically in response to the Channel Bandwidth setting A bandwidth of 25 kHz selects a maximum deviation of 5 kHz while a bandwidth of 12 5 kHz selects a maximum devi...

Page 13: ...eceiver module to work Menu Path Setting Value Main Change View Config Radio Options Secure Hardware Equipped Yes or no according to whether or not an encryption module is installed in the transmitter Main Change View Config Features Buttons Top Button 16 Pos Rotary Switch Side Button 1 top Side Button 2 Side Button 3 Blank Channel Select Blank Blank Blank Main Change View Config Radio Options Opt...

Page 14: ...gnment is simplified by using an SR 3 Sub rack SM 3 System Monitor and RF extender cable to provide transmitter power and signal interconnection Alternatively 9 5 Vdc and 13 8 Vdc as well as any required test signals may be applied directly to the individual modules Refer to the corresponding manuals for details 2 5 1 Controller Board Alignment A Controller Board Alignment is performed at the fact...

Page 15: ...the 80 Hz tone Now click on the LOW PTT button again to check the deviation If the deviation has changed from the original reading note the new deviation and perform the adjustment at the high frequency again It may require several iterations of this process to get the deviations to match within 2 When the deviations match click on the UPDATE SOFTPOT button to save the setting in the transmitter s...

Page 16: ...from that stamped on the label then a second frequency change of 1 MHz in the same direction would result in a total change of 1 5 MHz The action taken would be on the basis of the 1 5 MHz value Failure to perform a realignment after a large frequency change could result in unreliable transmitter operation or transmitter operation that does not conform to the published specifications The allowable...

Page 17: ... Solder Jumpers it is recommended to use solder braid in place of manual vacuum type desoldering tools when removing jumpers This will help prevent damage to the circuit boards 2 8 Printed Circuitboard Numbering Convention To ease troubleshooting and maintenance procedures Daniels Electronics Limited has adopted a printed circuitboard PCB numbering convention in which the last two digits of the ci...

Page 18: ...DEDANIELS ELECTRONICS 2 10 VT 4B150 VHF Project 25 Digital Base Transmitter Instruction Manual This Page Intentionally Left Blank ...

Page 19: ... Base Transmitter Front Panel P25 BASE TX TRANSMITTER MODEL IDENTIFIER ON OFF KEY SWITCH TYPE N RF INPUT JACK RJ45 CONNECTOR FACTORY SET OPERATING FREQUENCY MADE IN CANADA VT 4B150 B TRANSMIT LED POWER LED 165 0000 PROG BUS A B MIC RF OUT TX PWR OFF KEY TX NORM FREQUENCY MHz MADE IN CANADA TM xT4DBM1 ...

Page 20: ...val 1 Remove Screws A four M3x8mm 2 Remove Screws B four M5x8mm 3 Hold Front Panel and Pull Case A A A A B B B B ELECTRONICS DANIELS P25 Digital Base Transmitter Instruction Manual xT4DBM2 3 2 3 2 Digital Base Transmitter Case Exploded View ...

Page 21: ...NECTOR RJ45 CONNECTOR J3 AUDIO SUMMING AMPLIFIER KEY FAIL OPTB VPP CTSOUT SB9600_BUSY LH_DATA ENABLE B24 P1 PTT OUT KEY LOAD KEY FAIL OPTB VPP CTSOUT B18 P1 PTT WTO EXT PTT PROG SWITCH EMERG A B A0 A1 A2 A3 B22 P1 TX ENC D14 P1 CLEAR KEYS 1 I P B12 P1 TX BANK A B D20 P1 TX CSEL0 D22 P1 TX CSEL1 D24 P1 TX CSEL2 Z12 P1 D16 P1 CLEAR KEYS 2 I P D26 P1 TX CSEL3 5 0 V OUT 5 0 VDC CONTROLLER RF BOARDS IN...

Page 22: ...10uF C3 1 0uF C4 10K0 R22 R9 5K0 604R0 R13 G D S 2N7002LT1 Q1 B30 B30 P1 B32 B32 P1 Z30 Z30 P1 Z32 Z32 P1 JU2 100nF C8 1 0uF C12 1K0 R10 1 2 3 4 5 6 SW1 DPDT SMB J11 Z10 Z10 P1 LPF LPF6 Z4 Z4 P1 JU7 JU8 1K0 R23 RF IN RF OUT 9 5V 13 8V ENA GND FOR REV OR MT 3 VHF UHF AMPLIFIER MODULE AUDIO IN FRONT PANEL N CONNECTOR U3 JU13 b LED1 a LED1 9 5V JU12 D20 D20 P1 LPF LPF16 D24 D24 P1 D26 D26 P1 B12 B12 ...

Page 23: ...TTOM COMPONENT LAYOUT DWG No LPF26 C16 C15 10µF 1 0µF J11 Secure Digital Transmitter Board 50072 01 B8 B1 A7 A1 RF BOARD GND 8 9V 1 20 2 LED1 SW1 J5 J4 13 8V ENA 9 5V GND 3 5 3 5 Digital Base Transmitter Main Board Component Layout Bottom DE DANIELS ELECTRONICS P25 Digital Base Transmitter Instruction Manual xT4DBM5 ...

Page 24: ...3 D8 D7 J6 1 2 20 Installed Jumpers 825R 825R LED1 SW1 BAS16 BAS16 BAS16 BAS16 BAS16 BAS16 BAS16 BAS16 BAS16 BAS16 BAS16 BAS16 BAS16 2N7002LT1 2N7002LT1 2N7002LT1 10K BYJ17J BYJ17J BAS16 BAS16 10K BAS16 BAS16 BAS16 1K 0R 68K1 1K 1K 1K 0R 0R 0R 0R 0R 1K 1K 1K 0R 1 0µF 10µF 1 0µF 10µF 604R 100nF 47K5 47K5 100nF 100nF 5K MC33172 47K5 1 0µF 100nF 4 7µF LP2951 15K 10K 100nF 604R 5K 100nF 1 0µF 1K 10nF ...

Page 25: ...ER 1206 X7R 1008 5B104K5R D1 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D2 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D3 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D4 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D5 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D6 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D7 DIODE BYD17J RECTIFIER SOD87 2101 BYD17J00 D8 DIODE BYD17J RECTIFIER SOD87 2101 BYD17J00 D9 DIODE BAS...

Page 26: ...ER SM LPF6 EM1LPF 360pF FER 1306 T361F2D5 LPF20 FILTER SM LPF6 EM1LPF 360pF FER 1306 T361F2D5 LPF21 FILTER SM LPF6 EM1LPF 360pF FER 1306 T361F2D5 LPF22 FILTER SM LPF6 EM1LPF 360pF FER 1306 T361F2D5 LPF23 FILTER SM LPF6 EM1LPF 360pF FER 1306 T361F2D5 LPF24 FILTER SM LPF6 EM1LPF 360pF FER 1306 T361F2D5 LPF25 FILTER SM LPF6 EM1LPF 360pF FER 1306 T361F2D5 LPF26 FILTER SM LPF9 EM1LPF 360pF FER 1306 T36...

Page 27: ...M JUMPER 1206 1150 0B0R0000 R30 RES SM 0R0 ZERO OHM JUMPER 1206 1150 0B0R0000 SW1 SWITCH TOG DPDT ON OFF ON PC RA TBA U1 IC LP2951 PROG VOLT REG SO 8 2305 29510N08 U2 IC MC33172 DUAL OP AMP SO 8 2302 33172N08 PCB SECURE DIGITAL TRANSMITTER MAIN BOARD 50072 01 TBA 4 1 2 P25 Base Transmitter Mechanical Parts List Description Part No Qty CABLE SMB PL SMB PL RG316 11cm 7910 WP0WP011 1 CASE 14HP RF PLU...

Page 28: ...812 3M0PP06S 4 SCREW M3 x 8 OVAL C S PHIL A2 5812 3M0VP08S 4 SCREW M5 X 8 FLAT PHIL A2 5812 5M0FP08S 4 SHIELD RF BOARD SEC DIG TX TBA 1 SHIELD CONTROLLER BOARD SEC DIG TX TBA 1 SCREW M2 5 x 3 FLAT PHIL A2 TBA 4 SECURE DIGITAL TX FRONT PANEL TBA 1 SLOTTED STANDOFF 5mmOD 6 5mm L M2 5 TBA 6 STANDOFF 5mmOD 6mm L M2 5 TBA 4 WIRE TFE STRAND 24AWG RED 7121 24S19362 8 CM WIRE TFE STRAND 24AWG BLACK 7121 2...

Page 29: ...DEDANIELS ELECTRONICS VT 4B150 VHF Project 25 Digital Base Transmitter Instruction Manual 5 1 5 REVISION HISTORY ISSUE DATE DESCRIPTION AND REASON 1 July 00 Preliminary ...

Page 30: ...DEDANIELS ELECTRONICS 5 2 VT 4B150 VHF Project 25 Digital Base Transmitter Instruction Manual This Page Intentionally Left Blank ...

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