QUANTUN QP-750 Service Manual Download

Page: 47 / 79

QP-750 Service Manual

- 47 -

9.3.5 QP-750 UHF AF section

C2427
0.022u

OUTPUT1

+Vs

OUTPUT2

GND

INPUT-2

INPUT+2

INPUT+1

INPUT-1

IC2401

TDA2822

C2418

10u/16v

C2419

10n

R2411

4.7

R2412
4.7

C2417

0.1u

R2413

8.2K

C2416

0.1u

5CNS

C2415
22u

SWB+

ALM/BP

LS1

MIC801

C1647
470p

C2602

220p

C2499

470p

C2420 47p

R2468

R2454
100

R2499
22k

J1401

SPK ACK

J1402

MIC JACK

C2601

0.1u

R2456

C2603
220p

C2605
100p

ZD2405

EDZ6.8B

ZD2407

EDZ6.8B

C2401
0.022u

R2401

27k

R2408

R2403

100k

C2402

47p

C2403
1u

C2407

0.22u

C2406

1000p

C2404
0.1u

C2405

0.1u

D2406

RB706F-40

5CNS

C2412
10u/6.3v

R2416

2.2k

Q2405
DTC144EE

R2417

Q2403

TMMT717TA

R2420

2.2k

R2414

47k

R2418

10k

R2425

150k

R2438

18k

R2440
15k

IC2402

TC75W51FU

R2410
6.8k

C2423
470p

C2422

0.1u

5CNS

R2647
100k

C2643
1u

EXT-MIC-PTT

R2415

330

R2645

100k

C2641

0.1u

INT-MIC-C

C2640

150P

L2401

390nH

R2646

2.2K

C2646

150p

Q2508

UMT1

C2645
0.022u

SWB+

TXD

RXD

C2517

1000p

L2501
BLM21P221SG

F2501

C2518

470p

B+

-4

B+

TXD

RXD

JB1001

HEADER 3

BATTSEL

MIC-AUDIO

VOX

Q1404

2SK1824

K1501

R2434

100

R2435

R2436

10K

R1400

R1601

8.2K C1608

0.01uF

C1609
0.1uF

C1610

470pF

R2604
100

R2548

220K

C2581

1000p

VOICE

AFMUTE

ALM/BP

APCO

ZD2401

EDZ6.8B

R2404

100K

EXT-MIC-PTT

INT-MIC-C

R2603

C2149

470pF

R2402

Summary of Contents for QP-750

Page 1: ...QP 750 Service Manual 1 QP 750 Service Manual Quantun Electronics LLC ...

Page 2: ...or in an explosive atmosphere When in vehicles with an airbag do not place a portable radio in the area over an airbag or in the airbag deployment area Do not expose the radio to direct sunlight for a long time nor place it close to a heating source Do not use any portable radio with a damaged antenna If a damaged antenna comes into contact with your skin a minor burn may result When transmitting ...

Page 3: ...Description 11 2 3 1 Required Test Instrument 11 2 3 2Adjustment 11 Chapter 3 Disassembly and Assembly 14 3 1 Disassemble the radio 14 3 1 1 Remove the battery 14 3 1 2 Remove the antenna 14 3 1 3 Remove the knob 15 3 1 4 Separate the chassis from PCB 15 3 1 5 Remove the main PCB 15 3 1 6 Disassemble PTT key 16 3 2 Assemble the radio 17 3 2 1 Attach PTT 17 3 2 2 Assemble the chassis and PCB 17 3 2...

Page 4: ...ircuits 29 6 3 5 VOX Operation 29 6 3 6 Programming and Flashing through Microphone Jack 29 Chapter 7 UHF Theory of Operation 30 7 1 Introduction 30 7 2 UHF Receiver 30 7 2 1 Receiver Front End 30 7 2 2 Receiver Back End 30 7 2 3 Narrowband Wideband Switch Circuit 31 7 3 UHF Transmitter 31 7 3 1 AF and Signaling 32 7 3 2 RF Power Amplifier 32 7 3 3 Antenna Switch and Harmonic Filter 32 7 3 4 APC 3...

Page 5: ...2 QP 750 VCO Section 43 9 3 3 QP 750 PLL Section 44 9 3 4 QP 750 Base Band Section 45 9 3 5 QP 750 AF Section 46 9 3 6 QP 750 Controller Section 47 9 4 QP 750 UHF PCB Layout 48 9 4 1 QP 750 UHF PCB Top layer view 48 9 4 2 QP 750 UHF PCB Top Chip Map 49 9 4 3 QP 750 UHF PCB Bottom layer View 50 9 4 4 QP 750 UHF PCB Bottom Chip Map 51 9 5 QP 750 450 470MHz Parts List 53 Chapter 10 Specification 78 ...

Page 6: ...dios While all of these items are available from Quantun most are standard shop equipment items and any equivalent item capable of the same performance may be substituted for the item listed Table 1 2 Service Aids Description Application DC Power Supply Regulates DC voltage between radio and power supply Customer Programming Software Program customer option and channel data Test Cable Connects rad...

Page 7: ...tion and magnification of components Anti static grounding kit Used during all radio assembly and disassembly procedures Brush Solder 0 5mm diameter 1 3 MODEL LIST QP750 UHF 450 470 MHz Model Description QP750 XMHQP 750U QP750 450 470 MHz 5W 16CH Accessories QSBP0M080010 QS4501000000 QSAN0W410000 QC750100020 Li Po battery 2100 mAh Belt clip Antenna Whip 450 470 MHz Programming cable kit with USB c...

Page 8: ... 8 Chapter 2 Realignment 2 1 Getting acquainted 1 Antenna 2 Channel Selector knob 3 LED indicator 4 Power Volume Control Knob 5 External Jack 6 PTT Key 7 SFK2 Programmable Key 8 SFK1 Programmable Key 9 TFK Programmable Key ...

Page 9: ...ct wireless clone from Optional Features in programming software turn the power on while holding down PTT and SFK2 key simultaneously for 2 seconds then the source and target radios enter wireless clone mode with red LED flashing twice After the source and target radios are turned on and stay in the same channel hold down PTT on the source radio to begin cloning During cloning the LED of the sourc...

Page 10: ... 3 point tuning adjusts F1 F3 F5 5 point tuning adjusts F1 F5 The frequency toggles from low frequency to high frequency Green LED flashes one time when F1 is selected 4 TFK key Use to toggle the channel bandwidth between 25 KHz 20 KHz and 12 5 KHz Red LED flashes one time when the bandwidth is 25 KHz 5 PTT SFK1 PTT Decrease SFK1 Increase PTT SFK1 is pressed to adjust downward upward Red LED glows...

Page 11: ...est mode from programming items in programming software and then begin adjustment 2 3 Adjustment Description Adjust the radio by PC programming software or by manual adjustment In manual adjustment mode the adjustment method is shown as follows Refer to Modes for the manual adjustment mode 2 3 1 Required Test Instrument Radio Communication Test Set 1 set 3A 10V Power Supply 1 set Digital Voltmeter...

Page 12: ...o CH1 Radio Communicat ion Test Set TX Test Adjust VR21 Frequency Error 100Hz 1 TX power Low Turn to CH1 Adjust at 5 point wideband Radio Communicat ion Test Set TX TEST HPF 20HZ LPF 300HZ PTT key SFK2 key 1 1W 0 2W 2 CDCSS balance Turn to CH2 Adjust at 3 point wideband PTT key SFK2 key standard waveform 3 CDCSS deviation Turn to CH3 Adjust at 3 point wideband 1 point medium band 1 point narrowban...

Page 13: ...ve Modulation signal 1KHz 45mv Press PTT to save 12 VOX GAIN5 Turn to CH12 Adjust at 1 point wideband Save Modulation signal 1KHz 15mv Press PTT to save 13 TX power HIGH Turn to CH13 Adjust at 5 point wideband Radio Communicat ion Test Set TX TEST PTT key SFK2 key 5W 0 3W 14 TX voltage Low Turn to CH14 Adjust at 1 point wideband Save Adjust voltage to 6 0V press PTT to save Receiver Adjustment 1 E...

Page 14: ...ss PTT to save 6 Squelch Level 9 SQUELCH Turn to CH6 Adjust at 5 point 25KHz 1 point 20KHz 1 point 12 5KHz Save Adjust level to 119dBm press PTT to save 7 RX voltage Low Turn to CH7 Adjust at 1 point 25KHz Save Adjust power supply voltage to 6 3V press PTT to save Note AF deviation of the receiver is 3KHz wideband 2 5KHz medium band and 1 5KHz narrowband ...

Page 15: ...he radio if it is turned on 2 Disengage by pushing downward and holding the latch towards the front of the radio 3 With the battery latch disengaged slide the battery down from the top of the radio about 12mm Once the battery is free from the battery rails lift it directly away from the radio 3 1 2 Remove the antenna Remove ...

Page 16: ... tool downwards to separate the chassis from the case 3 Lift the bottom of the chassis and pull it out of the PCB 3 1 5 Remove the main PCB 1 Remove the two nuts on top of the unit for the channel coder and power switch 2 Remove the ten screws between PCB and the chassis 3 Loosen the weld between antenna pedestal and PCB using a soldering iron 4 Lift the PCB off ...

Page 17: ...QP 750 Service Manual 17 3 1 6 Disassemble PTT key Push the tab on PTT out of the hole on the case to disassemble PTT key ...

Page 18: ...e front case 3 Finally align the tab on PTT with the corresponding hole on the case 3 2 2 Assemble the chassis and PCB 1 Insert the switch shaft in front of the PCB into the corresponding holes on the case 2 Press the bottom of the chassis downwards until a click is heard 3 Make sure the water proof packing attached to the circumference of the chassis is securely inserted in the groove of the chas...

Page 19: ... Attach the battery 1 Align the battery to the battery rail on the back of the radio approximately 12mm from the top of the radio 2 Press the battery firmly to the radio and slide the battery upward until the latch snaps into place ...

Page 20: ...50 Service Manual 20 Chapter 4 Mechanical View and Parts List 4 1 Exploded view 1 2 3 4 5 7 9 11 B 6 8 A B 1 2 3 5 10 12 13 14 15 16 17 18 19 20 21 24 22 26 27 28 29 25 23 34 35 36 31 32 33 30 A A A A A A A ...

Page 21: ... Fixing nut 1 00 17 4001020010 Power Volume Switch 1 00 18 4000030010 Channel Coded Switch 1 00 19 4600000010 750 Antenna pedestal 1 00 20 5300000000 750 Aluminum chassis 1 00 21 5100100000 750 Unit Waterproof ring 1 00 22 5100200000 750 Battery connector Waterproof packing 1 00 23 B307C10010 750 Metal Dome PCB 1 00 24 750 Unit PCB 1 00 25 4202020010 Microphone 1 00 26 5100300010 750 Heat dissipat...

Page 22: ...onnector JB1001 and is routed through fuse F2501 to become SWB D2501 provides reverse polarity protection This voltage is routed to IC2100 in the TX power control circuit turned on during transmit TX power amplifierQ1107 On off switch K1501 part of on off volume control to become SWB When the radio is turned on SWB is present and is applied to RX audio power amplifier IC2401 Voltage divider R2521 ...

Page 23: ...d to switches Q2502 and Q2504 In transmit mode T5C becomes low voltage and Q2502 is turned on to supply 5V T5V voltage for the transmit circuit In receive mode Q2504 is turned on by Q2505 when R5C from IC2506 pin 48 becomes low voltage and supply 5V R5V voltage to supply receive circuit The 5 V C5V source is applied to VCO buffer Q1301 The 3 V C3V source is applied to AFIC AK2346 Synthesizer IC140...

Page 24: ...formation such as channel frequencies scan lists and signaling codes Storage of factory tuning parameters such as transmitter power and deviation receiver squelch sensitivity Power up power down and reset routines The majority of the circuitry described below 6 2 Microprocessor Circuitry The IC2506 CPU operates at 9 8304 MHz The block diagram of MCU control system is shown as following PTT R XD R ...

Page 25: ...om the microprocessor 6 2 2 Control and Indicator Interface Ports P24 and P25 are outputs which control the top mounted LED indicator When P25 is high the indicator is red When P24 is high the indicator is green When both are high the indicator is amber when both are low the indicator is off Pressing the side mounted PTT button K1507 provides a low to port P02 IC2506 pin 84 which indicates PTT is ...

Page 26: ...eld in reset until the digital 3V M3V regulator IC2504 provides a stable supply voltage Once the supply reaches steady state and releases the reset line IC2506 pin 1 the microprocessor begins to start up The IC1408 has already started running and is providing the startup clock to the microprocessor After reset release by all circuits the software within the microprocessor begins executing port ass...

Page 27: ... P74 TA2O CTC_PLL O CTC_PLL PWM 25 P73 AFMUT O AFMUTE 26 P72 TA1O EEDAT O EEPROM DATA input output 27 P71 RxD2 TB5IN EECLK O EEPROM CLK 28 P70 TxD2 NC 29 P67 TxD1 TXD O Serial date output 30 P66 RxD1 RXD I Serial date input 31 P65 Emulation extend 32 P64 Emulation extend 33 P63 TxD0 NC 34 P62 RxD0 NC 35 P61 NC 36 P60 NC 37 P57 RDY AFDT I O AK2346 TDATA 38 P56 ALE CODIO O AK2346 Common date control...

Page 28: ...5 A5 LEDR O Red light control H lit L out 66 P24 A4 LEDG O Green light control H lit L out 67 P23 A3 EN4 I channel coded 68 P22 A2 EN1 I channel coded 69 P21 A1 EN3 I channel coded 70 P20 A0 EN2 I channel coded 71 P17 INT5 NC 72 P16 INT4 ALARM I TFK switch input 73 P15 INT3 I Man Down Sensor IN 74 P14 T R O Receive transmit control 75 P13 DCSW O RF Power AMP Bias Switch 76 P12 PLL_STB O PLL strobe...

Page 29: ...8 P97 NC 99 P96 NC 100 P95 NC 6 3 Audio Circuitry 6 3 1 Transmit and Receive Audio Circuitry The majority of RX and TX audio processing is performed by IC1408 the Audio processing IC which provides the following functions Tone CTC CDCSS rejection filter in RX audio path TX and RX audio amplifier Pre De emphasis circuit Compressor and Expander with no external components Scrambler and De scrambler ...

Page 30: ...Microphone Audio Voice Path Microphone audio from internal microphone is routed from J1402 1 via C2643 L2401 and IC2402 to the IC1408 MIC audio input During transmit Q2508 is turned on by a low at IC2506 pin 20 providing dc bias for the internal MIC via R2646 External MIC plug insertion mechanically disconnects the internal microphone External MIC audio is coupled through L2401 and C2643 to the MI...

Page 31: ...ange of 400 470MHz 450 520 MHz and provides switchable IF bandwidth for use with 12 5 kHz or 20 25 kHz channel spacing systems Figure 7 1 Receiver Section Configuration 7 2 1 Receiver Front End Incoming RF signals from the antenna are first routed through the harmonic filter part of the transmitter circuitry before being applied to the receiver front end The receiver front end consists of a presel...

Page 32: ...ignal again in IC1204 to create a 455 KHz second IF signal The second IF signal then passes through a 450KHz ceramic filter wideband CF1201 narrowband CF1202 to eliminate unwanted signals before it is amplified and detected in IC1204 7 2 3 Narrowband Wideband Switch Circuit Pin WCON and NCON of IC2506 outputs wideband WCON high level and narrowband NCON high level controlling signal respectively t...

Page 33: ...RF Power Amplifier The transmit signal from VCO buffer amplifier Q1310 is amplified by Q1101 and Q1102 The amplified signal is then amplified by the power amplifier Q1105 and Q1107 including a two stage FET amplifier to create 5 0W RF power see Fig 7 2 7 3 3 Antenna Switch and Harmonic Filter Output signal from RF amplifier passes through a harmonic filter network and a transmit receive switch cir...

Page 34: ...rcuit generates the first local oscillator signal for reception and RF signal for transmission Figure 7 3 PLL Block Diagram 7 4 1 PLL Circuit Step frequency of PLL can be 2 5 KHz 5 0 KHz or 6 25 KHz A 16 8MHz reference oscillator signal is divided at IC1400 by a counter to generate a 2 5 KHz 5 0 KHz or 6 25 KHz reference frequency Output signal from VCO is buffer amplified by Q1416 and divided at ...

Page 35: ...ode so that the oscillator frequency is consistent with the MCU preset frequency T R pin is set high level in receive mode and low level in transmit mode The output from Q1350 and Q1352 is amplified by Q1354 and sent to buffer amplifier 7 4 3 Unlock Detector An unlock condition appears if low level appears at LDPS_main pin of IC1400 Transmission is forbidden if this condition is detected by microp...

Page 36: ...d signal is filtered after passing base band processing IC and then enters MCU for decoding 7 5 3 MSK Transmit MSK signal produced by base band processing IC enters VCO together with AF signal for modulation Receive MSK input of demodulating IC is sent to AK2346 for demodulation after being amplified The demodulated signal is then sent to MCU for decoding 7 5 4 AF Transmit AF signal from MIC enter...

Page 37: ...QP 750 Service Manual 37 Chapter 8 UHF Troubleshooting Tables 8 1 Troubleshooting for CPU ...

Page 38: ...QP 750 Service Manual 38 8 2 Troubleshooting for VCO ...

Page 39: ...QP 750 Service Manual 39 8 3 Troubleshooting for Transmission ...

Page 40: ...QP 750 Service Manual 40 8 4 Troubleshooting for Receive ...

Page 41: ... Schematic Diagrams Layout and Parts Lists 9 1 Introduction This section provides schematic diagrams layout and parts lists for the radio circuit boards Component is frequency sensitive Refer to the Electrical Parts List for value and usage ...

Page 42: ...QP 750 Service Manual 42 9 2 QP 750 block diagrams ...

Page 43: ...5 C 1165 470p Q1110 DTC 114TE C 1156 0 1u C 2134 100p C 2132 470p C 2139 470p C 2141 470p Q2109 DTA144EE 5R 5T 1 4 5 8 IC 2100 NJM 2904V L2118 1u C 1145 470p C1124 R 1174 10K C 1152 470p ANT1001 ANTENNA T5V R 5V 5T 5R R 1229 0 C 1289 220nH R 1209 R 1211 L1210 C 1263 Q1201 R 1228 2 7 R 1203 1 8K C 1209 100p L1204 180n R 1216 6 8K R 1205 510 C 1214 0 1u C 1215 100p 5R R 1240 6 8K C 1207 0 1u L1203 2...

Page 44: ...u C 1363 470p C 1364 100p C 1362 1000p C 1366 150P C 1367 3P C 1368 3P C 1369 5P C 1370 8P C 1371 0 5p C 1348 470p R 1345 4 7K C 1361 470p C 1346 15u6 3 C 5V C 1356 5P D1350 HVC 376B D1352 HVC 350B D1354 HVC 376B D1355 HVC 350B D1358 B B179 D1351 HVC 376B D1353 HVC 350B D1356 HVC 350B D1357 HVC 376B Q1354 2S C5108 Y Q1352 Q1350 Q1308 2S C4738EG Q1351 2S J243 D1306 M A2S111 Q1353 UMC 4 R 1310 3 3K ...

Page 45: ...1496 1 2K C1426 1u 16v R1415 0 C1436 0 1u 20v R1405 0 C1424 470p C1421 10u 6 3V C1495 470p L1407 Vc 1 Gnd 2 Out 3 Vcc 4 X1401 16 8M PLLCLK PLLDAT PLLSTB PLLUL C1437 0 015UF R1421 39K C1435 0 018UF R1422 22K C TC _PLL C TC _PLL R1423 15K VR21 68K R1408 10 R1407 10 C1439 470p R1406 10 C 5V C1427 0 1U R1409 100k C V C 5V R 1401 56 L1409 12n L1410 39n R 1420 100K R 1419 1K R 1484 220 VCO_OUT C 1430 10...

Page 46: ... 0 01u R1431 22k C1459 R1429 100k R1430 100k R1487 10k C1484 0 1u TI R1469 33k R1478 27k R1479 51k TI C TC_OUT TONEI TONEO AFC K AFR DF AFS CK AFDT C ODIO AFDIR 5R 5R TONEO AFC K AFDT C ODIO AFR DF AFS CK AFDIR TONEI R1498 15k C1497 1000p M OD R1485 4 7K M OD Q1401 2SC4116 y R1460 15k C1410 0 47u R1412 10k R1482 10k R1483 8 2K C1411 1u AFDET R1441 82k 5R R1418 33k R1424 18k R1416 18k C1483 4 7u 6 ...

Page 47: ... R2416 2 2k Q2405 DTC144EE R2417 1k Q2403 TMMT717TA C2413 470p R2420 2 2k R2414 47k R2418 10k R2425 150k R 2438 18k R2440 15k 1 8 IC2402 TC75W51FU R2410 6 8k C2423 470p C2422 0 1u 5C NS R2647 100k C2643 1u EXT M IC PTT R2415 330 R 2645 100k C 2641 0 1u INT M IC C C2640 150P L2401 390nH R2646 2 2K C2646 150p 2 5 6 1 4 3 Q2508 UMT1 C2645 0 022u SWB SWB TXD R XD C2517 1000p L2501 BLM21P221SG F2501 C2...

Page 48: ...470p C2521 470p C2520 1u C2522 470p C2528 470p C2529 470p C2530 4 7u10 R2515 47K R2520 4 7K C2531 1u Q2502 2SA1745 R2519 0 R 5V T5V C 5V T5C R5C SAVE Q2503 2SJ243 Q2504 2SJ243 SWB 5C NS WCON APC O R SSI SQL R 2522 1K R 2523 330K BATT TXD Q2505 DTC144EE R 5C T5C 2 1 3 IC2504 XC6201T502PR C2535 470p C2536 10u6 3 C2537 470p C2533 470p C2532 1u PLLDAT PLLCLK TI TONEI TONEO AFC K AFR DF 5T AF SC K AFDT...

Page 49: ...QP 750 Service Manual 49 9 4 QP 750 UHF PCB Layout 9 4 1 PCB Top Layer View ...

Page 50: ...QP 750 Service Manual 50 9 4 2 PCB Top Layer Chip Map ...

Page 51: ...QP 750 Service Manual 51 9 4 3 PCB Bottom Layer View ...

Page 52: ...QP 750 Service Manual 52 9 4 4 PCB bottom chip map ...

Page 53: ...19 Resistor 0402 0Ω J 1 16W 1 12 1501044710 C1120 Capacitor 0402 470PF J 50V 1 13 1501044710 C1121 Capacitor 0402 470PF J 50V 1 14 1501041020 C1123 Capacitor 0402 1000PF K 50V 1 15 1501060400 C1124 Capacitor 0603 4PF B 50V 1 16 1501064710 C1125 Capacitor 0603 470PF J 50V 1 17 1501061050 C1126 Capacitor 0603 1UF K 25V 1 18 1501061030 C1128 Capacitor 0603 0 01UF K 50V 1 19 1501064710 C1129 Capacitor...

Page 54: ...r 0603 3PF B 50V 1 41 1501041040 C1156 Capacitor 0402 0 1UF K 16V 1 42 1501044710 C1157 Capacitor 0402 470PF J 50V 1 43 1501044710 C1165 Capacitor 0402 470PF J 50V 1 44 1501041800 C1201 Capacitor 0402 18PF J 50V 1 45 1501041500 C1202 Capacitor 0402 15PF J 50V 1 46 1501040500 C1203 Capacitor 0402 5PF B 50V 1 47 1501041200 C1204 Capacitor 0402 12PF J 50V 1 48 1501042000 C1205 Capacitor 0402 20PF J 5...

Page 55: ... 0402 0 01UF K 25V 1 70 1501048200 C1233 Capacitor 0402 82PF J 50V 1 71 1501040600 C1234 Capacitor 0402 6PF B 50V 1 72 1501041040 C1238 Capacitor 0402 0 1UF K 16V 1 73 1501041820 C1239 Capacitor 0402 1800PF K 50V 1 74 1501041030 C1240 Capacitor 0402 0 01UF K 25V 1 75 1501041040 C1241 Capacitor 0402 0 1UF K 16V 1 76 1501041040 C1242 Capacitor 0402 0 1UF K 16V 1 77 1501041040 C1247 Capacitor 0402 0 ...

Page 56: ...0PF J 50V 1 99 1501041030 C1294 Capacitor 0402 0 01UF K 25V 1 100 1501044710 C1296 Capacitor 0402 470PF J 50V 1 101 1501042200 C1310 Capacitor 0402 22PF J 50V 1 102 1501044710 C1311 Capacitor 0402 470PF J 50V 1 103 1501044710 C1312 Capacitor 0402 470PF J 50V 1 104 1501044710 C1313 Capacitor 0402 470PF J 50V 1 105 1501041040 C1314 Capacitor 0402 0 1UF K 16V 1 106 1501040600 C1315 Capacitor 0402 6PF...

Page 57: ...F B 50V 1 128 1501040600 C1369 Capacitor 0402 6PF B 50V 1 129 1501040800 C1370 Capacitor 0402 8PF B 50V 1 130 1501040590 C1371 Capacitor 0402 0 5PF B 50V 1 131 1501041040 C1372 Capacitor 0402 0 1UF K 16V 1 132 1501041040 C1373 Capacitor 0402 0 1UF K 16V 1 133 1501042210 C1401 Capacitor 0402 220PF J 50V 1 134 1501041030 C1403 Capacitor 0402 0 01UF K 25V 1 135 1501043300 C1404 Capacitor 0402 33PF J ...

Page 58: ...F B 50V 1 157 1501044700 C1434 Capacitor 0402 47PF J 50V 1 158 1501041830 C1435 Capacitor 0402 0 018UF K 25V 1 159 1701081040 C1436 Tan Cap 0805 0 1UF M 16V 1 160 1501041530 C1437 Capacitor 0402 0 015UF K 25V 1 161 1501040300 C1438 Capacitor 0402 3PF B 50V 1 162 1501044710 C1439 Capacitor 0402 470PF J 50V 1 163 1501040500 C1440 Capacitor 0402 5PF B 50V 1 164 1501044710 C1442 Capacitor 0402 470PF J...

Page 59: ...02 0 01UF K 25V 1 186 1501041040 C1466 Capacitor 0402 0 1UF K 16V 1 187 1501041050 C1467 Capacitor 0402 1UF K 6 3V 1 188 1501041020 C1468 Capacitor 0402 1000PF K 50V 1 189 1501041040 C1469 Capacitor 0402 0 1UF K 16V 1 190 1701081060 C1470 Tan Cap 0805 10UF M 6 3V 1 191 1501042200 C1471 Capacitor 0402 22PF J 50V 1 192 1501042200 C1472 Capacitor 0402 22PF J 50V 1 193 1501041510 C1473 Capacitor 0402 ...

Page 60: ...PF J 50V 1 215 1501041020 C1497 Capacitor 0402 1000PF K 50V 1 216 1501041030 C1544 Capacitor 0402 0 01UF K 25V 1 217 1501043320 C1608 Capacitor 0402 3300PF J 50V 1 218 1501041040 C1609 Capacitor 0402 0 1UF K 16V 1 219 1501044710 C1610 Capacitor 0402 470PF J 50V 1 220 1501044710 C1647 Capacitor 0402 470PF J 50V 1 221 1701084750 C2127 Tan Cap 0805 4 7UF M 10V 1 222 1501044710 C2132 Capacitor 0402 47...

Page 61: ...70PF J 50V 1 244 1501042230 C2427 Capacitor 0402 0 022UF K 25V 1 245 1501044710 C2499 Capacitor 0402 470PF J 50V 1 246 1501041020 C2512 Capacitor 0402 1000PF K 50V 1 247 1501041030 C2513 Capacitor 0402 0 01UF K 25V 1 248 1501041500 C2514 Capacitor 0402 15PF J 50V 1 249 1501042700 C2515 Capacitor 0402 27PF J 50V 1 250 1501042700 C2516 Capacitor 0402 27PF J 50V 1 251 1501041020 C2517 Capacitor 0402 ...

Page 62: ...K 50V 1 273 1501041030 C2539 Capacitor 0402 0 01UF K 25V 1 274 1501041030 C2540 Capacitor 0402 0 01UF K 25V 1 275 1501041030 C2541 Capacitor 0402 0 01UF K 25V 1 276 1501041030 C2542 Capacitor 0402 0 01UF K 25V 1 277 1501041030 C2543 Capacitor 0402 0 01UF K 25V 1 278 1501041030 C2545 Capacitor 0402 0 01UF K 25V 1 279 1501041020 C2546 Capacitor 0402 1000PF K 50V 1 280 1501041040 C2548 Capacitor 0402...

Page 63: ...1161041020 CP2519 Resistor 0402 1K 4 J 1 16 1 301 1161041020 CP2520 Resistor 0402 1K 4 J 1 16 1 302 1161041020 CP2521 Resistor 0402 1K 4 J 1 16 1 303 1161041020 CP2523 Resistor 0402 1K 4 J 1 16 1 304 1161041020 CP2526 Resistor 0402 1K 4 J 1 16 1 305 1161041020 CP2528 Resistor 0402 1K 4 J 1 16 1 306 1161041020 CP2529 Resistor 0402 1K 4 J 1 16 1 307 1161041020 CP2530 Resistor 0402 1K 4 J 1 16 1 308 ...

Page 64: ...E R 1 329 D201020020 D1358 BB179 1 330 D401040040 D1402 RB706F 40 1 331 D401040040 D1410 RB706F 40 1 332 D401040040 D2406 RB706F 40 1 333 D401040020 D2501 ISR154 400 TE25 1 334 D501090020 D2505 KPT 1608SRC PRV 1 335 D501090010 D2506 KPT 1608SGC 1 336 F201990010 F2501 046602 5NR 1 337 3041020010 IC1204 TA31136FNG 1 338 3051150010 IC1400 ADF4111 1 339 3061020010 IC1404 TC75W51FU 1 340 3061020010 IC1...

Page 65: ...05 Ferrite 0805 60Ω 25 1 360 2301360080 L1106 Coil E2 0 35 1 6 8TR 1 361 2201086000 L1107 Ferrite 0805 60Ω 25 1 362 2101082210 L1109 IND 0805 220nH 1 363 2301360040 L1112 Coil E2 0 35 1 6 4TL 1 364 2301360040 L1113 Coil E2 0 35 1 6 4TL 1 365 2301360030 L1114 Coil E2 0 35 1 6 3TR 1 366 1501044710 L1119 Capacitor 0402 470PF J 50V 1 367 2001042220 L1120 IND 0402 2 2nH 1 368 2301320050 L1201 Coil E2 0...

Page 66: ...0603 3 3uH 1 388 2201042210 L1355 Ferrite 0402 220Ω 1 389 2101082230 L1356 IND 0805 22nH 1 390 2101082730 L1357 IND 0805 27nH 1 391 2101061040 L1358 IND 0603 100nH 1 392 2101061040 L1359 IND 0603 100nH 1 393 2001063350 L1360 IND 0603 3 3uH 1 394 2001063350 L1361 IND 0603 3 3uH 1 395 2201042210 L1362 Ferrite 0402 220Ω 1 396 2001042730 L1363 IND 0402 27nH 1 397 2001065640 L1403 IND 0603 560nH 1 398 ...

Page 67: ... 416 T101020010 Q1203 2SC5108 Y 1 417 T101040010 Q1204 DTA114EE TL 1 418 T101040020 Q1206 DTA144EE 1 419 T101020020 Q1308 2SC4738GR 1 420 T101020010 Q1310 2SC5108 Y 1 421 F101010010 Q1350 2SK508 K52 T1B A 1 422 F101010030 Q1351 2SJ243 T1 A 1 423 F101010010 Q1352 2SK508 K52 T1B A 1 424 T101040070 Q1353 UMC4 NTR 1 425 T101020010 Q1354 2SC5108 Y 1 426 T101020030 Q1401 2SC4116 GR 1 427 F101010020 Q140...

Page 68: ... 1101042200 R1109 Resistor 0402 22Ω J 1 16W 1 449 1101046810 R1110 Resistor 0402 680Ω J 1 16W 1 450 1101042200 R1111 Resistor 0402 22Ω J 1 16W 1 451 1101041520 R1112 Resistor 0402 1 5KΩ J 1 16W 1 452 1101043310 R1113 Resistor 0402 330Ω J 1 16W 1 453 1101041000 R1115 Resistor 0402 10Ω J 1 16W 1 454 1101042230 R1117 Resistor 0402 22KΩ J 1 16W 1 455 1101044730 R1118 Resistor 0402 47KΩ J 1 16W 1 456 1...

Page 69: ...Ω J 1 16W 1 476 1101041020 R1210 Resistor 0402 1KΩ J 1 16W 1 477 1101045620 R1211 Resistor 0402 5 6KΩ J 1 16W 1 478 1101041040 R1212 Resistor 0402 100KΩ J 1 16W 1 479 1101041040 R1213 Resistor 0402 100KΩ J 1 16W 1 480 1101041040 R1214 Resistor 0402 100KΩ J 1 16W 1 481 1101041510 R1215 Resistor 0402 150Ω J 1 16W 1 482 1101046820 R1216 Resistor 0402 6 8KΩ J 1 16W 1 483 1101041040 R1217 Resistor 0402...

Page 70: ... J 1 16W 1 505 1101044720 R1293 Resistor 0402 4 7KΩ J 1 16W 1 506 1101041510 R1294 Resistor 0402 150Ω J 1 16W 1 507 1101043320 R1297 Resistor 0402 3 3KΩ J 1 16W 1 508 1101046840 R1299 Resistor 0402 680KΩ J 1 16W 1 509 1101043320 R1310 Resistor 0402 3 3KΩ J 1 16W 1 510 1101045620 R1311 Resistor 0402 5 6KΩ J 1 16W 1 511 1101042710 R1312 Resistor 0402 270Ω J 1 16W 1 512 1101043320 R1313 Resistor 0402...

Page 71: ...Ω J 1 16W 1 534 1101041000 R1408 Resistor 0402 10Ω J 1 16W 1 535 1101041040 R1409 Resistor 0402 100KΩ J 1 16W 1 536 1101049130 R1410 Resistor 0402 91KΩ F 1 16W 1 537 1101044710 R1411 Resistor 0402 470Ω J 1 16W 1 538 1101041030 R1412 Resistor 0402 10KΩ J 1 16W 1 539 1101046840 R1413 Resistor 0402 680KΩ J 1 16W 1 540 1101041030 R1414 Resistor 0402 10KΩ J 1 16W 1 541 1101040000 R1415 Resistor 0402 0Ω...

Page 72: ...2KΩ J 1 16W 1 563 1101041030 R1442 Resistor 0402 10KΩ J 1 16W 1 564 1101043330 R1443 Resistor 0402 33KΩ J 1 16W 1 565 1101040000 R1444 Resistor 0402 0Ω J 1 16W 1 566 1101042230 R1445 Resistor 0402 22KΩ J 1 16W 1 567 1101041840 R1446 Resistor 0402 180KΩ J 1 16W 1 568 1101041840 R1447 Resistor 0402 180KΩ J 1 16W 1 569 1101041040 R1448 Resistor 0402 100KΩ J 1 16W 1 570 1101043940 R1449 Resistor 0402 ...

Page 73: ...J 1 16W 1 592 1101041030 R1477 Resistor 0402 10KΩ J 1 16W 1 593 1101042730 R1478 Resistor 0402 27KΩ J 1 16W 1 594 1101045130 R1479 Resistor 0402 51KΩ J 1 16W 1 595 1101041030 R1480 Resistor 0402 10KΩ J 1 16W 1 596 1101043340 R1481 Resistor 0402 330KΩ J 1 16W 1 597 1101041030 R1482 Resistor 0402 10KΩ J 1 16W 1 598 1101045620 R1483 Resistor 0402 5 6KΩ J 1 16W 1 599 1101042210 R1484 Resistor 0402 220...

Page 74: ...0KΩ F 1 16W 1 621 1101041540 R2138 Resistor 0402 150KΩ F 1 16W 1 622 1101041030 R2140 Resistor 0402 10KΩ J 1 16W 1 623 1101045630 R2141 Resistor 0402 56KΩ J 1 16W 1 624 1101041050 R2142 Resistor 0402 1MΩ J 1 16W 1 625 1101042220 R2144 Resistor 0402 2 2KΩ J 1 16W 1 626 1101041840 R2145 Resistor 0402 180KΩ J 1 16W 1 627 1101041040 R2146 Resistor 0402 100KΩ J 1 16W 1 628 1101040000 R2148 Resistor 040...

Page 75: ...15KΩ J 1 16W 1 650 1101041010 R2454 Resistor 0402 100Ω J 1 16W 1 651 1101041000 R2456 Resistor 0402 10Ω J 1 16W 1 652 1101041020 R2468 Resistor 0402 1KΩ J 1 16W 1 653 1101042230 R2499 Resistor 0402 22KΩ J 1 16W 1 654 1101044730 R2502 Resistor 0402 47KΩ J 1 16W 1 655 1101044730 R2503 Resistor 0402 47KΩ J 1 16W 1 656 1101044730 R2506 Resistor 0402 47KΩ J 1 16W 1 657 1101044730 R2507 Resistor 0402 47...

Page 76: ... J 1 16W 1 679 1101044730 R2537 Resistor 0402 47KΩ J 1 16W 1 680 1101044730 R2538 Resistor 0402 47KΩ J 1 16W 1 681 1101044730 R2539 Resistor 0402 47KΩ J 1 16W 1 682 1101042240 R2548 Resistor 0402 220KΩ J 1 16W 1 683 1101044730 R2549 Resistor 0402 47KΩ J 1 16W 1 684 1101041020 R2555 Resistor 0402 1KΩ J 1 16W 1 685 1101041040 R2557 Resistor 0402 100KΩ J 1 16W 1 686 1101044730 R2558 Resistor 0402 47K...

Page 77: ...3 47KΩ J 100 1 701 1401996830 VR21 Varistor 2 2 68KΩ 25 1 702 C101990040 X1401 TCVCXO 16 8MHz 1 703 C101990010 X1402 XTal 3 6864MHz 1 704 C101990030 X2501 XTal 9 8304MHz 1 705 CF01990010 XF1201 Filter 49 95MHz 1 706 D301040010 ZD1503 AVLC18S02015 1 707 D301040010 ZD2401 AVLC18S02015 1 708 D301040010 ZD2402 AVLC18S02015 1 709 D301040010 ZD2404 AVLC18S02015 1 710 D301040010 ZD2405 AVLC18S02015 1 711...

Page 78: ...ymer Transmitter Carrier output power 5 0W H 3W M 1W L Modulation distortion 3 FCC Modulation 16K0F3E 25K 11K0F3E 12 5K Spurious emission 36dBM 1GHz 30dBM 1GHz FM Noise Rejection 45dB 25K 40dB 12 5K Receiver Reference sensitivity 0 25µV 25K 0 28 12 5K Adjacent channel selectivity 70 d B 25K 60 d B 12 5K Spurious response rejection 75 d B 1 2 IF rejection 70 d B Intermodulation rejection 70 d B Rat...

Search results

Summary of Contents for QP-750

Reviews:

Related manuals for QP-750

Brands by name

Popular brands

QUANTUN QP-750, Service Manual

Search results

Summary of Contents for QP-750

Reviews:

Related manuals for QP-750

Brands by name

Popular brands