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SmartTrunk Systems ST-1000C, Service Manual, Page: 7 / 35

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SmartTrunk Systems ST-1000C Service Manual Download Page 7

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Summary of Contents for ST-1000C

Page 1: ...ST 1000C 400Mhz 470Mhz UHF FM COMPACT DIGITAL TRANSCEIVER SERVICE MANUAL SmarTrunk Systems INC ST 1000C SM R1 1a...

Page 2: ...Virtual VOLUME CONTROL 9 4 2 5 Sub audio signaling 9 4 2 6 ANALOG AUDIBLE SIGNALING 9 4 2 7 DIGITAL AUDIO PROCESSING 9 4 3 Transmitter System 10 4 3 1 ANALOG TX SIGNAL 10 4 3 2 DIGITAL TX AUDIO 10 4 3...

Page 3: ...PONENT LOCATOR 18 11 1 ST 1000 TOP LAYER COMPONENTS LOCATION 18 11 2 ST 1000 BOTTOM LAYER COMPONENTS LOCATION 19 12 ST 1000 PCB LAYOUT 20 12 1 ST 1000 TOP LAYER PCB LAYOUT 20 12 2 ST 1000 BOTTOM LAYER...

Page 4: ...unction selection Yes TRANSMIT MAX RF power 2 W Frequency Stability 1PPM Bandwidth Khz 12 5 25 Adjacent Channel Power 65dBC typ SNR 45dB typ Analog harmonic distortion 5 typ AF 1Khz 60 deviation Data...

Page 5: ...2 ST 1000 EXPLODED VIEW...

Page 6: ...DIAGRAM LPF Ant Sw D1 D4 Final AMP Q2 Power Detection D2 Driver Q3 Buffer AMP Q1 TX CTRL U3 CLOCK Y2 POWER CTRL U3 FLASH MEMORY U4 RAM MEMORY U7 PWM SIDE KEYS SERIAL PORT Main Processor U8 Radio U1 MI...

Page 7: ...Notes...

Page 8: ...3 step amplifier then filtered by a low pass filter to be applied to the antenna 4 2 Receiver System 4 2 1 Front end RF Receiver Incoming RF signals from the antenna are delivered to the Receiver Unit...

Page 9: ...signaling is reported to the processor where the firmware compares it with the value programmed into the current channel programming If the received signaling matches the channel programming then the...

Page 10: ...microphone MK1 or external microphone J4 are fed directly to the main processor U8 which perform the signal filtering the data codification into especial firmware block The result of the digitized inf...

Page 11: ...en sends the readout to audio processor U8 The special firmware module compares the transmitted power against the referred level stored on current channel memory adjusting the power control level gene...

Page 12: ...ion The ST 1000 series is carefully aligned in factory for the specified performance across the frequency range depending for each version As the core of the radio is firmware only all processes are t...

Page 13: ...in software toolbar As soon as you click on Options the Options screen is popped up From this screen the user can adjust some parameters as 6 1 1 SQUELCH LEVEL ST 1000 supports a dBm scaled squelch ad...

Page 14: ...parameters are enabled 6 1 4 1 VOX sensitivity level To adjust the VOX sensitivity level please press on the down arrow of the scroll down box on the right side of the Level label and then select the...

Page 15: ...o ensure the receiver is already getting the incoming voice On this way no word is missed on the air To activate this feature please check the Vox Delay box 6 1 5 Battery save If the radio is not acti...

Page 16: ...ST 1000C SM R 1 0 SMARTRUNK SYSTEMS INC 16 Press OK to store your changes into the radio file The information will be updated to the radio once you transfer the file...

Page 17: ...T 8 AD0 9 AD1 10 AD8 11 VDDCORE 12 AD2 13 AD9 14 PA23 15 AD3 16 GND2 17 VDDIO1 18 PA16 19 PA15 20 SCK 21 MOSI 22 PA24 23 VDDCORE1 24 PA25 25 PA26 26 MISO 27 CS0 28 UTXD 29 URXD 30 PA8 31 PA9 32 PB4 33...

Page 18: ...11 ST 1000C COMPONENT LOCATOR 11 1 ST 1000C TOP LAYER COMPONENTS LOCATION...

Page 19: ...ST 1000C SM R 1 0 SMARTRUNK SYSTEMS INC 19 11 2 ST 1000C BOTTOM LAYER COMPONENTS LOCATION...

Page 20: ...ST 1000C SM R 1 0 SMARTRUNK SYSTEMS INC 20 12 ST 1000C PCB LAYOUT 12 1 ST 1000C TOP LAYER PCB LAYOUT...

Page 21: ...ST 1000C SM R 1 0 SMARTRUNK SYSTEMS INC 21 12 2 ST 1000 BOTTOM LAYER PCB LAYOUT...

Page 22: ...ST 1000C SM R 1 0 SMARTRUNK SYSTEMS INC 22 12 3 ST 1000C PCB GROUND LAYER...

Page 23: ...ST 1000C SM R 1 0 SMARTRUNK SYSTEMS INC 23 12 4 ST 1000C PCB POWER LAYER...

Page 24: ...PF 50V CERAMIC X7R 0402 1nF CK1102AK5X C78 CAP 1000PF 50V CERAMIC X7R 0402 1nF CK1102AK5X C80 CAP 1000PF 50V CERAMIC X7R 0402 1nF CK1102AK5X C81 CAP 1000PF 50V CERAMIC X7R 0402 1nF CK1102AK5X C82 CAP...

Page 25: ...50PF 50V C0G 0402 150pF CK1151AK5A C14 CAP CER 150PF 50V C0G 0402 150pF CK1151AK5A C16 CAP CER 150PF 50V C0G 0402 150pF CK1151AK5A C18 CAP CER 150PF 50V C0G 0402 150pF CK1151AK5A C54 CAP CER 150PF 50V...

Page 26: ...uF CK0106AB7R C196 CAP CER 10UF 10V Y5V 0805 10uF CK0106AB7R C200 CAP CER 10UF 10V Y5V 0805 10uF CK0106AB7R C206 CAP CER 10UF 10V Y5V 0805 10uF CK0106AB7R C11 CAP 10UF 16V CERAMIC Y5V 0402 100nF CK510...

Page 27: ...C 470PF 50V 10 X7R 0402 470pF CK1471AK4A C44 CAP CERAMIC 6 8PF 250V COG SMD 6 8pF CK9689AD4A D1 DIODE RF PIN 80V 100MA SC79 BAR88 EDBAR0886Y D4 DIODE RF SGL 50V 100MA SOD 323 BAR63 EDBAR0063Y D3 SILI...

Page 28: ...SMD 1K RCY041024Z R92 RES 1 0K OHM 1 16W 5 0402 SMD 1K RCY041024Z R103 RES 1 0K OHM 1 16W 5 0402 SMD 1K RCY041024Z R106 RES 1 0K OHM 1 16W 5 0402 SMD 1K RCY041024Z C174 RES 1 0K OHM 1 16W 5 0402 SMD...

Page 29: ...Y044734Z R101 RES 47K OHM 1 16W 5 0402 SMD 47K RCY044734Z R31 RES 470K OHM 1 16W 5 0402 SMD 470K RCY044744Z R17 RES 560 OHM 1 16W 5 0402 SMD 560 RCY045614Z R32 RES 56K OHM 1 16W 5 0402 SMD 56K RCY0456...

Page 30: ...6W 5 0402 SMD 47 RCY044704Z R99 RES 47 OHM 1 16W 5 0402 SMD 47 RCY044704Z R100 RES 47 OHM 1 16W 5 0402 SMD 47 RCY044704Z U8 IC MCU 32BIT 512KB FLASH 64LQFP ATSAM4S8BA YNATSAM04S 14 ST 1000C MECHANICAL...

Page 31: ...0006005Z SPK LEAD WIRE RED 50MM WL0206005Z FRONT HOUSING PL1000011A LED BAR PL1000100A MIC RUBBER QL1000270A PTT RUBBER PL1000060A REAR COVER PL1000050A REAR COVER SET SCREW M3X0 5PX6 BLACK JS052206MB...

Page 32: ...C 32 15 ACCESSORY PORT Speaker Microphone Pin Out 3 5mm Plug Sleeve Mic PTT Rx Data to the radio Ring Mic Tip V from the radio 2 5mm Plug Sleeve Speaker PTT Data GND Ring TX Data from the radio Tip Sp...

Page 33: ...ST 1000C SM R 1 0 SMARTRUNK SYSTEMS INC 33...

Page 34: ...ST 1000C SM R 1 0 SMARTRUNK SYSTEMS INC 34 16 ST 1000C SERVICE MANUAL REVISIONS AUTHOR RELEASE DATE REMARKS DANIEL MARTIN 1 0 AUG 2014 INITIAL RELEASE VERSION...

Page 35: ...ST 1000C SM R 1 0 SMARTRUNK SYSTEMS INC 35 Copyright 2014 Printed in Malaysia www smartrunk com ST 1000C SM R1 0...

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