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PT8000 Service Manual

23

PT8000 Key-PCB Assembly

NO.

Part No.

Name

PCS

1

Key-PCB

1

2 203-008000-R05A

Metal

Dome

1

Appendix 4 Accessories

Name

Model

Specifications

External View

Mounting bracket

Power cable

Hand microphone

KME215

Microphone hanger

KME209

SEMS

M4.0*10.0

Self-tapping screw

M5.0*16.0

Self-tapping screw

M4.0*16.0

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Summary of Contents for PT8000

Page 1: ......

Page 2: ...zhen Co Ltd owns the copyright of the radio outward appearance structure circuit design Kirisun Electronics Shenzhen Co Ltd owns the copyright of this service manual Unauthorized publication is prohibited Kirisun Electronics Shenzhen Co Ltd owns the trademarks KIRISUN and 科立讯 Contents Chapter 1 Overview 1 Chapter 2 Unpacking Checking and Installation 1 Chapter 3 External View and Functional Keys 2...

Page 3: ...ble to be used in this product and we do not guarantee the quality of the product using such components If you want to apply for any component from Kirisun please fill in an application form as below Component Application Form Radio Model Component Position Mark Model Specifications Part No Qty PT8000 02 FET Q3 RD01MUS1 105 RD01MU R01 1 PT8000 02 Triode Q49 2SC5108 Y 104 SC5108 001 1 1 3 Service A...

Page 4: ...inal of the accumulator and the black conductor to the negative terminal At last ring the remained conductor and fix it Note Please guarantee sufficient relaxation of the power cable in the car so that the radio can be conveniently disassembled assembled and repaired in the state of power connection 4 Installation Warning For passenger safety please install the radio securely using the supplied mo...

Page 5: ...multiply AF AMP TCXO 16 8MHz MIC AMP PLL VCO TX AMP PA AMP RX TX Figure 4 1 Frequency Configuration The receiver adopts double mixing The first IF is 49 95MHz and the second IF is 450kHz The first local oscillator signal of the receiver is generated by the frequency synthesizer and the second local oscillator signal is generated by the frequency tripler X1 The transmitter signal is produced by the...

Page 6: ...C level Then the DC level is compared with the signal from MCU and amplified in IC4 and is sent to grid in IC1 to control the power output If the Tx output power is too high the voltage detected by the detector diodes will increase IC4 output voltage will decrease so the bias voltage imposed on IC1 will also decrease which causes the Tx output power to be lowered and vice versa Thus the Tx output ...

Page 7: ...speaker Impedance of the speaker 16Ω Note Any terminal of the speaker should not be grounded The emergency alarm sound has no volume limit 4 6 Power Supply The radio uses 13 8V battery and the Tx power amplification circuit IC1 and Rx audio power amplifier IC7 directly adopt the battery for power supply IC17 5V LDO micropower regulator which supplies power for MCU IF processing unit and frequency ...

Page 8: ...ts of the DCS signal being modulated by TCXO The DCS signal coming from the receiver is routed to MCU for decoding MCU checks if the DCS code in the received signal matches the preset DCS of the radio and determines whether to open the speaker or not Table 4 2 DCS Codes 023 114 174 315 445 631 025 115 205 331 464 632 026 116 223 343 465 654 031 125 226 346 466 662 032 131 243 351 503 664 043 132 2...

Page 9: ...oltage regulation output Q9 DTC144EE APC control switch Q12 2SK508NV Rx VCO oscillation circuit Q14 2SC4617 VCO power filter Q11 2SC5108 Rx 2nd local oscillation frequency multiplier circuit Q16 2SK1829 Rx high power amplifier gain control switch Q18 3SK318 Rx high power amplifier Q19 3SK318 First mixer Q1 2SC5108 VCO buffer amplifier Q20 2SC5108 1st IF amplifier Q21 2SC4617 Rx noise amplifier Q22...

Page 10: ...ver due to different requirements of users the radio s operating frequency channels CTCSS DCS scan and other functional parameters should be reprogrammed Therefore Kirisun has specially designed a set of Chinese English programming software KSP8000 with friendly interface convenient operation and visualized display for setting functional parameters of the radio Steps for setting the functional par...

Page 11: ...f Narrowband 8 Five frequency points for SQL1 On Wideband 9 Five frequency points for SQL1 Off Wideband 10 Five frequency points for SQL1 On Narrowband 11 Five frequency points for SQL1 Off Narrowband 12 Five frequency points for QT 67Hz DEV Wideband 13 Center frequency point for QT 67Hz DEV Narrowband 14 Five frequency points for QT 151 4Hz DEV Wideband 15 Center frequency point for QT 151 4Hz DE...

Page 12: ... R08 Nut for Knob 1 4 204 006800 R01 LCD Protective Film 1 5 LOGO 1 6 301 25050J R01 Screw M2 5 5 6 7 201 008000 R01 Front Cabinet 1 8 204 008000 R01 Dustproof Net for Speaker 1 9 121 100000 R21 Speaker 1 10 120 400000 R14 Speaker Wire 1 11 120 400000 R15 Flat Cable 1 12 204 008000 R02 Upper Dustproof Strip for Front Cabinet 1 13 204 008000 R03 Lower Dustproof Strip for Front Cabinet 1 14 203 0080...

Page 13: ... test adjustment make sure the antenna output terminal has been correctly connected to corresponding equipment or load The transmitter output terminal must be terminated with an RF power attenuator and connected to a standard signal generator SSG frequency counter deviation meter spectrum analyzer Make sure no transmission operation is being conducted while measuring the receiver During the adjust...

Page 14: ...ble 7 2 High Center Low Frequency Point for PT8000 Low Freq Point Center Freq Point High Freq Point PT8000 2 400 125MHz 425 125MHz 449 975MHz PT8000 3 438 125MHz 464 125MHz 489 975MHz 7 2 2 Tx deviation set the HP8920 to be in the Tx status and set the filter to be 50Hz 15kHz a Input audio signal of 120mV 1000Hz to the MIC jack of the radio b Set the channel to its low frequency point See Table 7 ...

Page 15: ... respectively b In the Tuning Mode input RF signal with the same frequency as the adjusted frequency point and with the signal level of 115dBm audio frequency of 1kHz and deviation of 1 5kHz to the antenna connector of the mobile radio double click SQL9 On and select Narrowband Choose a frequency point and click Begin the programming software will adjust the value automatically When the value keep...

Page 16: ...est Low Mid High and Highest respectively 7 2 12 DTMF DEV set the HP8920 to be in the Tx status and set the filter to be 50Hz 15kHz a In the Tuning Mode double click DTMF DEV and select Wideband Adjust the five frequency points of Lowest Low Mid High and Highest respectively within the range of 0 255 to make the deviation be 3 5kHz b In the Tuning Mode double click DTMF DEV and select Narrowband A...

Page 17: ...terminal grounded Operating Temperature 25 55 Antenna Impedance 50Ω MIC Impedance 2 2k Ω 150mm 53mm 130mm radio only Dimension 165mm 62mm 130mm with mounting bracket 1030g radio only Weight 1310g with mounting bracket 8 2 Rx Part Usable Sensitivity 12dB SINAD 118dBm Squelch On Sensitivity 121dBm SQL1 Rx Residual Output W 45dB N 40dB Modulation Rx Bandwidth W 7kHz N 3 5kHz Adjacent Channel Selectiv...

Page 18: ...omatic Power Control BPF Band Pass Filter CTCSS Continuous Tone Control Squelch System DCS Digital Code Squelch DEMOD Demodulation E2 PROM Electrical Erasable Programmable Read Only Memory HPF High Pass Filter IDC Instantaneous Deviation Control IF Intermediate Frequency LED Light Emitting Diode LNA Low Noise Amplifier LPF Low Pass Filter MCU Micro Control Unit MIC Microphone MOD Modulation MONI M...

Page 19: ...09 040101 R01 Chip resistor 0402 100R 5 ROHS 5 R21 R26 R101 R121 R247 47 109 040102 R01 Chip resistor 0402 1K 5 ROHS 16 R9 R48 R70 R78 R83 R136 R188 R194 R201 R206 R231 R235 R254 R266 R270 R292 48 109 040103 R01 Chip resistor 0402 10K 5 ROHS 23 R10 R12 R13 R15 R20 R24 R35 R62 R65 R68 R74 R79 R81 R112 R174 R210 R228 R233 R237 R280 R283 R284 R285 49 109 040104 R01 Chip resistor 0402 100K 5 ROHS 18 R...

Page 20: ...ip resistor 0805 0R 5 ROHS 1 L29 107 109 070220 001 Chip resistor 0805 22R 5 1 L30 108 109 070470 001 Chip resistor 0805 47R 5 1 L31 109 109 100221 R01 Chip resistor 1206 220R 5 ROHS 2 R46 R47 110 110 110473 R01 Chip trimming resistor MVR22HXBRN473 47K 25 B Linear ROHS 1 VR2 111 110 110683 R01 Chip trimming resistor MVR22HXBRN683 68K 25 B Linear ROHS 1 VR1 112 111 010000 R01 Plug in voltage depend...

Page 21: ...R01 Chip capacitor 0603 1000P 10 50V X7R ROHS 1 C26 156 112 063104 R01 Chip capacitor 0603 0 1uF 10 50V X7R ROHS 1 C96 157 112 0631R0 R01 Chip capacitor 0603 1P 0 25P 50V C0G ROHS 3 C4 C5 C176 158 112 0632R0 R01 Chip capacitor 0603 2P 0 25P 50V C0G ROHS 1 C40 159 112 063333 R01 Chip capacitor 0603 0 033uF 10 16V X7R ROHS 1 C18 160 112 063471 R01 Chip capacitor 0603 470P 10 50V X7R ROHS 14 C22 C23 ...

Page 22: ...205 117 000000 R05 Chip bead EMI FILTER SMT BLM21P300S 0805 ROHS 3 L64 L72 L73 206 117 000000 R07 Chip bead EMI FILTER SMT BLM41P600SPT 1206 ROHS 2 L25 L26 207 117 000000 R08 Chip bead EMI FILTER SMT BLM11A601S 0603 ROHS 20 L1 L4 L23 L24 L32 L33 L39 L59 L60 L61 L65 L66 L67 L68 L69 L70 L74 L75 L76 L77 208 119 060104 R01 Temperature Chip resistor NTH5G16P42B104K07TH 100K 0603 ROHS 2 R90 R138 209 122...

Page 23: ...R01 Screw M2 5 5 0 for front cabinet and metal baffle plate 6 28 301 30060G R01 Screw M3 0 6 0 for RF PCB 7 29 301 30250D R01 Screw M3 0 25 0 for top and bottom Al case 6 30 302 26060D R01 Self tapping Screw M2 6 6 0 for Key PCB 5 31 303 30100G R01 SEMS M3 0 10 0 for antenna connector power module AF power amplifier and voltage regulator tube 7 No Part No Name PCS 1 604 080000 R02 PT8000 Volume Kn...

Page 24: ...ew M3 25 6 PT8000 Front Cabinet Assembly 604 080000 R01 No Part No Name PCS 1 201 008000 R01A PT8000 Front Cabinet 1 2 204 008000 R01A PT8000 Dustproof Net for Speaker 1 3 121 100000 19 Speaker 1 4 201 008000 R04A PT8000 Light Guide 1 5 201 008000 R03A PT8000 Lens 1 6 204 006800 R01 PT6800 LCD Protective Film 1 7 LOGO 1 PT8000 Volume Knob Assembly 604 080000 R02 No Part No Name PCS 1 201 008000 R0...

Page 25: ...ame PCS 1 Key PCB 1 2 203 008000 R05A Metal Dome 1 Appendix 4 Accessories Name Model Specifications External View Mounting bracket Power cable Hand microphone KME215 Microphone hanger KME209 SEMS M4 0 10 0 Self tapping screw M5 0 16 0 Self tapping screw M4 0 16 0 ...

Page 26: ...1 IC15 5V Q14 TX RX SW 8R 8R 5V TO ANT AF OUT CD1 DET COLL 13 8V X3 7 3MHz Q38 SW MB15E03SL MOD IC1 RA30H APC 8T 450KHZ MUTE TDA1519C 5V 16 8MHz X1 TCXO 3 5V TX VCO Q14 RX 8R Q11 3 2ND LOCAL AMP CF2 450KHz IC8A IC8B IC8C IC8D AMP LP LP AMP CTCSS DCS MIC 5T 8RC Q40 SW 8R 5V TA7808S IC16 IC17 NJM78L05UA PF1 PF2 POWER 2TIN RESET UL RXD INT TI TEMP D0 D1 D2 D3 DV KEY1 RSSI BUSY HOOK VCCN 2TOUT SCL SHI...

Page 27: ...19 471 R67 100K D15 MA2S111 R64 100K R60 100K R72 0R R80 10K R73 330K C136 471 R81 10K R87 C157 471 L24 BLM11A601S L26 L25 BLM41P600SPT C28 22P C37 101 C55 471 C92 471 C97 22P C27 22P C36 101 C51 471 C99 101 C110 471 C121 103 C74 47uF 25V D7 HZU5ALL C66 47uF 25V C102103 R63 150R Q9 DTC144EE R43 330R L69 BLM11A601S C325 104 R271 3 9K C326 471 C319 104 R274 68K Aout 1 A in 2 A in 3 V 4 B in 5 B in 6...

Page 28: ...PT8000 Service Manual 26 Figure 3 PT8000 Main Board Top Layer Position Mark Diagram ...

Page 29: ...PT8000 Service Manual 27 Figure 4 PT8000 Main Board Bottom Layer Position Mark Diagram ...

Page 30: ...D13 GREEN D14 GREEN R22 220R R23 220R C34 101 C11 101 C13 101 C14 101 C15 101 C16 101 C17 101 C9 101 C8 101 C7 101 C6 101 C5 101 C4 101 C3 101 R4 0R D3 GREEN R1 330R Q1 DTC144EE D4 GREEN D6 GREEN C26 471 R11 220R R12 220R R13 220R R26 220R D1 GREEN R2 330R D2 GREEN D5 GREEN C21 101 C22 101 C23 101 C24 101 C25 101 C27 101 C28 101 A 1 B 2 Q0 3 Q1 4 Q2 5 Q3 6 GND 7 CP 8 MR 9 Q4 10 Q5 11 Q6 12 Q7 13 V...

Page 31: ...PT8000 Service Manual 29 Figure 6 PT8000 Keyboard Top Layer Position Mark Diagram ...

Page 32: ...PT8000 Service Manual 30 Figure 7 PT8000 Keyboard Bottom Layer Position Mark Diagram ...

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