INTEK. Model No: PMR 8 Channel LPD 69Channel. Service Manual. Created by: Approved by: Rev. No: For Stage : Release Date : Page 1 of 49
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1 INTEK MT-2020/4040 PMR 8 Channel LPD 69Channel Service Manual For Stage : Release Date : Page 1 of 49
2 Table of Contents Pages Specifications 3 Block Diagram 4 Schematic Diagram 5~6 Channel Frequency Charts 7~8 Printed Circuit Board 9~12 Test and Alignment Procedure 13~17 Parts List 18~37 Semiconductor Voltage Chart 38~40 Semiconductor Lead Assignment and Block Diagram 41~45 Exploded View and Parts List 46~49 For Stage : Release Date : Page 2 of 49
3 Title: MT2020/4040D SERVICE MANUAL : Rev. Date: January 5, 2005 STANDARD TEST CONDITIONS SPECIFICATIONS Supply Voltage - Battery Antenna Impedance Audio Frequency Main Signal Input Deviation PMR LPD Audio Output Power Audio Output Impedance Test Temperature 6.0Vdc 50 Ohm 1 KHz 1mV AF 1 KHz / 1.5 KHz Dev AF 1 KHz / 3.0 KHz Dev ~1.8Vrms 8 ohms, non-inductive 25 GENERAL SPECIFICATIONS Transmitter CPU Controlled PLL Synthesizer Receiver CPU Controlled double conversion, super-heterodyne system Intermediate Frequency 1 st 21.4 MHz 2 nd 450 KHz Operating Frequencies PMR MHz ~ MHz LPD MHz ~ MHz Frequency Stability % Battery Life 30 hours (typical) Battery 4pcs AAA size Alkaline Battery or 4.8Vdc Ni-MH Battery Pack Transmitter/Receiver Switching Electrical Ambient Conditions, Temperature / Humidity -15 c ~ 55 C / 40% ~ 70% RECEIVER SPECIFICATIONS Sensitivity Audio Output Frequency Response Image Rejection Adjacent Channel Rejection Inter Modulation Distortion Conducted Rx Spurious SINAD ~2Vrms (w/o load) 300 Hz ~ 2500 Hz 54dB 60dB 60dB -54dB TRANSMITTER SPECIFICATIONS Output Power(Conducted) PMR Band 500Mw (MT-2020) / 1W,500mW (MT-4040D) LPD Band 10mW Max. Deviation PMR ± 2.5 KHz(MAX) LPD ± 5.0 KHz(MAX) Frequency Error 5ppm(-15~+55 ) Current Drain <500 ma Spurious Emission(Conducted) 50dB Antenna Impedance 50 Ohm For Stage : Release Date : Page 3 of 49
4 r. Model No: BLOCK DIAGRAM For Stage : Release Date : Page 4 of 49
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7 CHANNEL FREQUENCY CHARTS PMR Frequency Chart Channel Frequency (MHz) Channel Frequency (MHz) Mhz Mhz Mhz Mhz Mhz Mhz Mhz Mhz CTCSS Tone Frequency Chart NO FREQ.(Hz) NO FREQ. (Hz) NO FREQ. (Hz) For Stage : Release Date : Page 7 of 49
8 LPD Frequency Chart Channel Frequency (MHz) Channel Frequency (MHz) For Stage : Release Date : Page 8 of 49
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13 TEST AND ALIGNMENT PROCEDURE 1. RECOMMENDED TEST EQUIPMENT 1.1 HP8920A,B Radio Communication Tester or equivalent 1.2 Fluke 187 Digital Voltmeter or equivalent 1.3 HPE3615A Power Supply or equivalent 2. TEST PREPARATION 2.1 Connect a 6.0Vdc power supply to the positive battery terminal input point and the negative battery terminal input point (GND) into the negative terminal. 2.3 Connect the HP8920A,B RF Output port to the ANT point. 2.4 TP12 should be connected to the Audio In Hi and TP10 should be connected to the Audio In Lo of the HP8920B. 2.5 Set the unit at Ch1 ( MHz) 3. CRYSTAL SELECT 3.1 X202 crystal is marked with red, blue, and no color marking. Matching capacitors C223, C223A, and C223B that are in PCB will be determined by the markings and are as follows: C223 C223A C223B Crystal C223A C223B A Red Connect Connect B NO COLOR Connect NC C Blue NC NC 4. VCO ADJUSTMENT 4.1 Set the unit at PMR Ch1 ( MHz) and connect a digital voltmeter to TP1 (VCO PD). 4.2 Press the PTT Button so the unit is in transmit mode. 4.3 Adjust L303 until the voltmeter reads around 3.1~3.2Vdc (without VCO Plate). L303 is located under the shieldcan. Solder VCO Plate and let temperature stabilize. Recheck TX VCO at Ch1, should be 2.8~3.1Vdc 4.4 Release the PTT switch so the unit will be in Receive mode. 4.5 Observe the voltage at TP1, the voltage should be 2.5~3.2Vdc. 4.6 Set the unit at PMR Ch8 ( MHz). 4.7 Press the PTT switch so the unit is in transmit mode. 4.8 Observe the voltage at TP1, the voltage should be 2.8~3.2Vdc. 4.9 Release the PTT switch so the unit will be in receive mode Observe the voltage at TP1, the voltage should be 2.5~3.2Vdc Set the unit at LPD Ch1 ( MHz) 4.12 Press the PTT switch so the unit is in transmit mode Observe the voltage at TP1, the voltage should be 1.0 ~ 1.8Vdc Release the PTT switch so the unit will be in receive mode Observe the voltage at TP1, the voltage should be 0.9 ~ 1.7Vdc. NOTE : Above Specifications are measured with VCO Plate soldered. For Stage : Release Date : Page 13 of 49
14 5. TRANSMITTER FREQUENCY ALIGNMENT Equipment Setting: Filter : 50Hz~15kHz IF Filter : PMR 15kHz; LPD : 230kHz De-Emphasis : OFF Monitor : Pk-Pk/2 Input : 200mVrms; 1kHz Deviation 5.1 Set the unit/equipment for TX Test (SEE FIGURE 2). Set the unit at PMR Ch1. Press the PTT button so the unit will be in transmit mode. 5.2 Adjust CT201 trimmer capacitor until such that the output frequency is equal to the channel frequency with maximum error of +/-200Hz (OQA Limit of +/-800Hz). Production will control as follows: - PCBA Alignment : +/-200Hz - Casing Test : +/-500Hz - OQA Limit : +/-800Hz 6. TRANSMITTER OUTPUT POWER CHECK MT2020D 6.1 Set the unit at PMR Ch1. (use short cable) 6.2 Press the PTT button so the unit is in transmit mode. 6.3 Transmit Power should be between 0.4~1.0W. 6.4 Set the unit at LPD Ch Press the PTT button so the unit is in transmit mode. Ensure the TX Power is 10~70mW. MT4040D 6.6 Set the Power Supply to 5Vdc. Set the unit at PMR Ch1. (use short cable) 6.7 Press the PTT button so the unit is in transmit mode. Make sure Power Supply is 5Vdc during PTT. 6.8 Transmit Power should be between 1.4~2.5W. 6.9 Solder J3. Press the PTT button so the unit is in transmit mode. Transmit Power should be between 0.4~1.0W Set the unit at LPD Ch Press the PTT button so the unit is in transmit mode. Ensure the TX Power is 8~70mW 7. TRANSMITTER DEVIATION ADJUSTMENT 7.1 Set the unit at PMR Ch1. Connect an audio generator (600ohms) to the microphone terminal pads. The audio frequency should be set at 1kHz with a level of 200mVrms. 7.2 Connect an FM Deviation Meter (on the HP8920B) on ANT point. Set the monitor to read (Pk to Pk)/2 deviation. Set Filter 1 to 50Hz and Filter 2 to 15kHz. De-emphasis should be set to Off. 7.3 Press the PTT button so the unit will be in transmit mode. 7.4 Adjust RV2 and observe the reading at the Deviation Meter, the reading should be between 1.5 to 1.8kHz (MT2020D) / between 1.8 to 2.1kHz (MT4040D). 7.5 Set the unit to LPD Ch1. Set the monitor to read (Pk to Pk)/2 deviation. Set Filter 1 to 50Hz and Filter 2 to 15kHz. De-emphasis should be set to Off. Set the IF Filter to 230kHz. Press the PTT button and check the Deviation Meter, the reading should be 2.8 ~ 5.0kHz. 7.6 At PMR Ch1, decrease the audio generator level until the deviation reads +/-1.2 khz. The generator level should be between 3~10mV. 7.7 Check that the transmit audio distortion is less than 5%. TX Distortion should be checked at 1.2kHz Modulation, using Narrowband Filter with De-Emphasis ON. 7.8 Set the CTCSS to Code 1. Turn OFF the audio generator. Press the PTT button so the unit will be in transmit mode. 7.9 Confirm that the CTCSS Code modulation is between 0.4 to 0.7kHz 7.10 Set the CTCSS to Code 38. Press the PTT button so the unit will be in transmit mode Confirm that the CTCSS Code modulation is between 0.4 to 0.7kHz. For Stage : Release Date : Page 14 of 49
15 8. RECEIVER ALIGNMENT 8.1 Set the unit/equipment for RX Test (SEE FIGURE 3). Set the RF Generator level to 47dBm. The generator should be set for 1.5kHz deviation at 1kHz modulation. Set the Impedance at 8ohms. 8.2 Set Filter 1 to 25Hz and Filter 2 to 15kHz. 8.3 Set the unit at PMR Ch1. Set the Volume level for 4 (default Level ). Align CF2 for maximum level. Check the audio level, should be 0.27~0.6Vrms 8.4 Confirm that the RX Distortion is less than 5%. 8.5 Reduce the RF Generator signal level until a 12dB Sinad reading is achieved. The RF Generator level should be less than 120dBm. 8.6 Set the RF Generator level to 47dBm, and set the unit Volume Level to maximum. 8.7 Check the maximum Audio Output Level, should be >1.70Vrms. 8.8 Set the unit at LPD Channel Set the RF generator at 3.0kHz deviation at 1kHz modulation Repeat Procedure 8.5 and confirm that the RF Generator is less than 122dBm at 12dB SINAD. 9. SQUELCH THRESHOLD AND HYSTERISIS 9.1 Set unit same as Set the RF Generator level until unit is at 2dB Sinad or unit is squelched (RX Off). 9.3 Slowly increase the RF Signal Generator level until the unit un-squelches (RX On), confirm that the sensitivity is between 6~14dB SINAD (PMR Band). 10. VOX TEST 10.1 Set the unit into VOX Mode (Level 2). The VOX icon should be displayed on the LCD Connect an audio generator into the microphone terminal. The audio frequency should be set for 1kHz frequency with a level of 0mVrms and the output should be turned off Turn on the output of the audio generator Increase the Audio Generator level until unit goes into TX Mode Check the Generator level, it should be between 0.8 ~ 2.0mV. 11. LOW BATTERY LEVEL TEST 11.1 Set the unit into standby mode Set the Power Supply voltage to 4.8Vdc Slowly decrease the Power Supply Voltage until the Battery icon appears and blink Observe the Power Supply Level. The level must be between 4.1 to 4.4Vdc For Stage : Release Date : Page 15 of 49
16 FIGURE 1 (VCO TEST) FIGURE 2 (TX TEST) For Stage : Release Date : Page 16 of 49
17 FIGURE 3 (RX TEST) For Stage : Release Date : Page 17 of 49
18 MT-2020 PARTS LIST C1 100P Capacitor Chip NP C10 100P Capacitor Chip NP C (X7R) Capacitor Chip X7R C Capacitor Chip Y5V C Capacitor Chip Y5V C P Capacitor Chip NP C P Capacitor Chip NP C P Capacitor Chip NP C106 10UF(3X5) Capacitor Elect. 3X5 1 C Capacitor Chip Y5V C P(X7R) Capacitor Chip X7R C Capacitor Chip X7R C Capacitor Chip X7R C Capacitor Chip X7R C Capacitor Chip X7R C Capacitor Chip X7R C Capacitor Chip Y5V C115 3P Capacitor Chip NP C P(03) Capacitor Ceramic 0603 NP0 1 C Capacitor Chip Y5V C P Capacitor Chip NP C P Capacitor Chip NP C12 1UF Capacitor Chip Y5V C P Capacitor Chip NP C P Capacitor Chip NP C122 1P Capacitor Chip NP C P Capacitor Chip NP C Capacitor Chip X7R C P Capacitor Chip NP C127 10UF(3X5) Capacitor Elect. 3X5 1 C128 10P Capacitor Chip NP C /6.3(5X7) Capacitor Elect 1 C Capacitor Chip X7R C Capacitor Chip X7R C131 47uF/6.3(4X7) Capacitor Elect 1 C P Capacitor Chip NP C133 10UF(3X5) Capacitor Elect. 3X5 1 C Capacitor Chip Y5V C Capacitor Chip Y5V For Stage : Release Date : Page 18 of 49
19 C P Capacitor Chip NP C P Capacitor Chip NP C Capacitor Chip X7R C139 47P Capacitor Chip NP C14 1P Capacitor Chip NP C P Capacitor Chip NP C P Capacitor Chip NP C P Capacitor Chip NP C P Capacitor Chip NP C144 10UF(3X5) Capacitor Elect. 3X5 1 C15 2P(03) Capacitor Ceramic 0603 NP0 1 C16 220P Capacitor Chip X7R C P Capacitor Chip NP C17 2P(03) Capacitor Ceramic 0603 NP0 1 C Capacitor Chip Y5V C18 7P Capacitor Chip NP C19 100P Capacitor Chip NP C2 33P(03) Capacitor Ceramic 0603 NP0 1 C20 1P Capacitor Chip NP C P Capacitor Chip NP C208 33P Capacitor Chip NP C209 33P Capacitor Chip NP C21 10P Capacitor Chip NP C Capacitor Chip Y5V C P Capacitor Chip NP C218 5P Capacitor Chip NP C P Capacitor Chip NP C22 100P Capacitor Chip NP C P Capacitor Chip NP C222 68P Capacitor Chip NP C223 22P Capacitor Chip NP C223A 3P Capacitor Chip NP C223B 3P Capacitor Chip NP C224 22P Capacitor Chip NP C224A 8P Capacitor Chip NP C23 100P Capacitor Chip NP C Capacitor Chip Y5V C25 100P Capacitor Chip NP C26 100P Capacitor Chip NP C Capacitor Chip X7R C28 100P Capacitor Chip NP For Stage : Release Date : Page 19 of 49
20 C29 220P(X7R) Capacitor Chip X7R C3 0.1 Capacitor Chip Y5V C30 3P(03) Capacitor Ceramic 0603 NP0 1 C Capacitor Chip Y5V C302 22P Capacitor Chip NP C303 4P Capacitor Chip NP C304 3P Capacitor Chip NP C P Capacitor Chip NPO C306 5P Capacitor Chip NP C307 3P Capacitor Chip NP C P Capacitor Chip X7R C309 18P Capacitor Chip NP C31 220P(X7R) Capacitor Chip X7R C311 12P Capacitor Chip NP C312 9P Capacitor Chip NP C Capacitor Chip X7R C315 1UF Capacitor Chip Y5V C Capacitor Chip Y5V C32 0.1(X7R) Capacitor Chip X7R C Capacitor Chip Y5V C Capacitor Chip Y5V C35 100P Capacitor Chip NP C Capacitor Chip Y5V C37 6P Capacitor Chip NP C38 100P Capacitor Chip NP C39 100P Capacitor Chip NP C3A 4P(03) Capacitor Ceramic 0603 NP0 1 C4 4P Capacitor Chip NP C40 100P Capacitor Chip NP C41 15P Capacitor Chip NP C42 100P Capacitor Chip NP C43 100P Capacitor Chip NP C44 15P Capacitor Chip NP C45 7P Capacitor Chip NP C46 100P Capacitor Chip NP C Capacitor Chip Y5V C Capacitor Chip X7R C49 100P Capacitor Chip NP C Capacitor Chip X7R C Capacitor Chip X7R C P Capacitor Chip NP For Stage : Release Date : Page 20 of 49
21 C Capacitor Chip Y5V C53 0.1(X7R) Capacitor Chip X7R C54 470P Capacitor Chip X7R C Capacitor Chip Y5V C56 100P Capacitor Chip NP C Capacitor Chip Y5V C58 100P Capacitor Chip NP C59 100P Capacitor Chip NP C6 6P(03) Capacitor Ceramic 0603 NP0 1 C Capacitor Chip Y5V C61 100P Capacitor Chip NP C62 100P Capacitor Chip NP C63 100P Capacitor Chip NP C64 7P Capacitor Chip NP C Capacitor Chip X7R C66 100P Capacitor Chip NP C Capacitor Chip X7R C68 100P Capacitor Chip NP C69 10UF(3X5) Capacitor Elect. 3X5 1 C7 100P Capacitor Chip NP C70 220/6.3(6.3X7) Capacitor Elect 1 C Capacitor Chip Y5V C Capacitor Chip Y5V C73 100P Capacitor Chip NP C74 100P Capacitor Chip NP C Capacitor Chip Y5V C76 100P Capacitor Chip NP C Capacitor Chip X7R C Capacitor Chip Y5V C79 100P Capacitor Chip NP C8 100P Capacitor Chip NP C80 100P Capacitor Chip NP C81 100P Capacitor Chip NP C Capacitor Chip X7R C83 100P Capacitor Chip NP C84 1UF Capacitor Chip Y5V C85 100P Capacitor Chip NP C86 7P Capacitor Chip NP C Capacitor Chip X7R C Capacitor Chip Y5V C Capacitor Chip Y5V For Stage : Release Date : Page 21 of 49
22 C90 680P Capacitor Chip X7R C91 270P(NPO) Capacitor Chip NPO C Capacitor Chip X7R C Capacitor Chip X7R C Capacitor Chip Y5V C Capacitor Chip Y5V C Capacitor Chip Y5V C97 220P(NPO) Capacitor Chip NPO C Capacitor Chip Y5V C Capacitor Chip X7R CF1 21.4MHZ X-tal filter 21.4MHz UM-5 1 CF2 CF450KHz 450KHz IFT 5mm 1 CF3 LTM450GU Ceramic filter LTM450GU 1 CMIC1 F9745AP Condensor Mic 1 CPU1 W742S81A-XXXXX IC CPU 1 CT201 10P (Trimmer) 3 dia STC3M10-T1 1 CX201 4 MHz X-tal D4.00C(20pF) HS-49/S 1 D1 KDS114E Diode Switching 1 D10 KDS114E Diode Switching 1 D13 KDS114E Diode Switching 1 D2 KDS121 CHIP DIODE 1 D3 KDS114E Diode Switching 1 D301 KDS114E Diode Switching 1 D302 KDV154B Diode Vari-cap 1 D4 KDS115 (USM) Diode Chip 1 D5 KDS114E Diode Switching 1 D6 KDS113E Diode Switching 1 D7 KDS112 Diode Chip 1 D8 KDS112 Diode Chip 1 D9 KDS114E Diode Switching 1 IC1 S5018 IC IF 1 IC2 AZ386M IC Speaker 1 IC201 TB31202 IC PLL 1 IC3 XC6201 IC Regulator 4V 1 IC4 S324 IC OP 1 IC5 S324 IC OP 1 IC6 XC61CN2402MR 2.4Vdc Detector IC 1 J9-A EXT MIC Jack Dual LT2510C 1 L1 0.35X1.7X5T(R) Inductor Air 1 L10 27NH(03) Inductor Chip L X1.8X5T(R) Inductor Air 1 For Stage : Release Date : Page 22 of 49
23 L12 5.6UH(05) Inductor Chip L13 220NH(03) Inductor Chip L14 18NH Inductor Chip L15 0.3X1.4X6T(R) Inductor Air 1 L16 100NH Inductor Chip L18 0.3X1.0X3T(R) Inductor Air 1 L19 100NH Inductor Chip L2 10UH(05) Inductor Chip L3 0.3X1.4X6T(R) Inductor Air 1 L UH(03) Inductor Chip L X1.1X4T(R) Inductor Air 1 L4 47NH Inductor Chip L5 33NH Inductor Chip L6 0.3X1.0X3T(R) Inductor Air 1 L7 0.35X1.8X5T(R) Inductor Air 1 L8 0.4X1.5X5T(L) Inductor Air 1 L9 27NH(03) Inductor Chip LCD1 LCD GX-XXXXX 1 LED1 LTST-S320GKT Diode LED SMT 1 LED2 DUAL_LED KPBA-3010ESGC 1 PCB1 PCB 4 Layer for MT2020D 1 Q1 THN6601B Transistor Chip 1 Q10 KRA306E Transistor BRT 1 Q11 BFQ67W Transistor Chip 1 Q12 KRC404E Transistor BRT 1 Q13 KTA1505 Transistor BRT 1 Q14 KRA306E Transistor BRT 1 Q15 KRA306E Transistor BRT 1 Q16 KRA226S Transistor BRT 1 Q17 KRC405E Transistor BRT 1 Q18 KRA226S Transistor BRT 1 Q19 KRC401E Transistor BRT 1 Q2 2SC4226 Transistor Chip 1 Q21 KTC4075E Transistor Chip 1 Q22 KTC4075E Transistor Chip 1 Q23 KRC405E Transistor BRT 1 Q24 KRC404E Transistor BRT 1 Q25 KRC405E Transistor BRT 1 Q26 KRA304E Transistor BRT 1 Q27 KRC404E Transistor BRT 1 Q301 2SC4226 Transistor Chip 1 For Stage : Release Date : Page 23 of 49
24 Q302 2SC4226 Transistor Chip 1 Q5 KRC404E Transistor BRT 1 Q6 2SC4226 Transistor Chip 1 Q7 KTA2014E Transistor Chip 1 Q8 2SC4226 Transistor Chip 1 Q9 2SC4083 Transistor Chip 1 R1 180K 1% Resistor Chip % 1 R10 1K Resistor Chip R100 0 Resistor Chip R K Resistor Chip R102 1M Resistor Chip R Resistor Chip R Resistor Chip R K Resistor Chip R106 47K Resistor Chip R107 39K Resistor Chip R K Resistor Chip R K Resistor Chip R Resistor Chip R K Resistor Chip R K Resistor Chip R K Resistor Chip R K Resistor Chip R M Resistor Chip R K Resistor Chip R K Resistor Chip R K Resistor Chip R K Resistor Chip R119 10K Resistor Chip R12 120K Resistor Chip R120 33K Resistor Chip R121 10K Resistor Chip R K Resistor Chip R Resistor Chip R13 1.8K Resistor Chip R14 10K Resistor Chip R15 2.2K Resistor Chip R16 10K Resistor Chip R17 220K Resistor Chip R18 470K Resistor Chip R19 100K Resistor Chip For Stage : Release Date : Page 24 of 49
25 R2 15K Resistor Chip R20 680K Resistor Chip R202 1K Resistor Chip R K Resistor Chip R204 10K Resistor Chip R206 0 Resistor Chip R K Resistor Chip R21 1M Resistor Chip R214 1M Resistor Chip R216 1M Resistor Chip R22 100K Resistor Chip R K Resistor Chip R Resistor Chip R Resistor Chip R23 2.2K Resistor Chip R24 100(03) Resistor Chip /-5% 1 R25 3.3K Resistor Chip R26 33K Resistor Chip R27 33K Resistor Chip R28 6.8K Resistor Chip R Resistor Chip R3 2.2K Resistor Chip R30 91K Resistor Chip R Resistor Chip R K Resistor Chip R K Resistor Chip R K Resistor Chip R Resistor Chip R Resistor Chip R K Resistor Chip R31 270K Resistor Chip R311 12K Resistor Chip R32 4.7K Resistor Chip R33 82K 1% Resistor Chip % 1 R34 4.7K Resistor Chip R35 100K Resistor Chip R36 100K Resistor Chip R37 2.7K Resistor Chip R38 8.2K Resistor Chip R39 1.8M Resistor Chip R4 33K 1% Resistor Chip % 1 For Stage : Release Date : Page 25 of 49
26 R40 2.7K Resistor Chip R41 220K Resistor Chip R42 47 Resistor Chip R43 560K Resistor Chip R Resistor Chip R45 2.2K Resistor Chip R46 10K Resistor Chip R47 1.8M Resistor Chip R48 100K Resistor Chip R49 220K Resistor Chip R5 10K Resistor Chip R50 100K Resistor Chip R Resistor Chip R52 4.7K Resistor Chip R54 22K Resistor Chip R55 2.7K Resistor Chip R56 4.7K Resistor Chip R57 2.2K Resistor Chip R58 5.6K Resistor Chip R59 10K Resistor Chip R6 3.3K Resistor Chip R60 27K Resistor Chip R61 27K Resistor Chip R62 15K Resistor Chip R63 470K Resistor Chip R64 2.2K Resistor Chip R65 10 Resistor Chip R66 47K Resistor Chip R67 470K Resistor Chip R68 100(TM) NSM3101J280J3Z 1 R69 2.7K Resistor Chip R7 820K Resistor Chip R70 2.2K Resistor Chip R71 100K Resistor Chip R72 1K Resistor Chip R73 180K Resistor Chip R74 91K Resistor Chip R75 12K Resistor Chip R76 470K Resistor Chip R77 10 Resistor Chip R Resistor Chip For Stage : Release Date : Page 26 of 49
27 R79 470K 1% Resistor Chip % 1 R8 330 Resistor Chip R80 180K Resistor Chip R81 8.2K Resistor Chip R82 10K Resistor Chip R83 47 Resistor Chip R84 22K Resistor Chip R85 220K Resistor Chip R Resistor Chip R Resistor Chip R88 220K Resistor Chip R89 470K Resistor Chip R9 4.7K Resistor Chip R90 120K Resistor Chip R91 10K Resistor Chip R92 10K Resistor Chip R93 100K Resistor Chip R94 47 Resistor Chip R Resistor Chip R97 220K Resistor Chip R98 470K Resistor Chip R99 6.8K Resistor Chip RV1 220KB Semi-fixed resistor 3 dia 1 RV2 4.7KB Semi-fixed resistor 3 dia 1 SF1 439MHz (HDF-440DS) SAW filter F-11SMD type 1 SPK1 Speaker (MD36B-858) Speaker 36dia 8ohm 1 X MHZ X-tal DA20.950TF(16pF) HC-49/S 1 For Stage : Release Date : Page 27 of 49
28 MT-4040 PARTS LIST C1 100P Capacitor Chip NP C10 100P Capacitor Chip NP C (X7R) Capacitor Chip X7R C Capacitor Chip Y5V C Capacitor Chip Y5V C P Capacitor Chip NP C P Capacitor Chip NP C P Capacitor Chip NP C106 10UF(3X5) Capacitor Elect. 3X5 1 C Capacitor Chip Y5V C P(X7R) Capacitor Chip X7R C Capacitor Chip X7R C Capacitor Chip X7R C Capacitor Chip X7R C Capacitor Chip X7R C Capacitor Chip X7R C Capacitor Chip Y5V C115 3P Capacitor Chip NP C P(03) Capacitor Ceramic 0603 NP0 1 C Capacitor Chip Y5V C P Capacitor Chip NP C P Capacitor Chip NP C12 1UF Capacitor Chip Y5V C P Capacitor Chip NP C P Capacitor Chip NP C122 1P Capacitor Chip NP C Capacitor Chip X7R C P Capacitor Chip NP C127 10UF(3X5) Capacitor Elect. 3X5 1 C128 10P Capacitor Chip NP C /6.3(5X7) Capacitor Elect 1 C Capacitor Chip X7R C Capacitor Chip X7R C131 47uF/6.3(4X7) Capacitor Elect 1 C P Capacitor Chip NP C133 10UF(3X5) Capacitor Elect. 3X5 1 C Capacitor Chip Y5V C Capacitor Chip Y5V C P Capacitor Chip NP For Stage : Release Date : Page 28 of 49
29 C P Capacitor Chip NP C Capacitor Chip X7R C139 47P Capacitor Chip NP C14 1P Capacitor Chip NP C P Capacitor Chip NP C P Capacitor Chip NP C P Capacitor Chip NP C P Capacitor Chip NP C144 10UF(3X5) Capacitor Elect. 3X5 1 C P Capacitor Chip NP C147 3P Capacitor Chip NP C15 2P(03) Capacitor Ceramic 0603 NP0 1 C16 220P Capacitor Chip X7R C P Capacitor Chip NP C17 2P(03) Capacitor Ceramic 0603 NP0 1 C Capacitor Chip Y5V C18 7P Capacitor Chip NP C19 100P Capacitor Chip NP C2 33P(03) Capacitor Ceramic 0603 NP0 1 C20 1P Capacitor Chip NP C P Capacitor Chip NP C208 33P Capacitor Chip NP C209 33P Capacitor Chip NP C21 24P Capacitor Chip NP C Capacitor Chip Y5V C P Capacitor Chip NP C218 5P Capacitor Chip NP C P Capacitor Chip NP C22 100P Capacitor Chip NP C P Capacitor Chip NP C222 68P Capacitor Chip NP C223 22P Capacitor Chip NP C223A 3P Capacitor Chip NP C223B 3P Capacitor Chip NP C224 22P Capacitor Chip NP C224A 8P Capacitor Chip NP C23 100P Capacitor Chip NP C Capacitor Chip Y5V C25 100P Capacitor Chip NP C26 100P Capacitor Chip NP C Capacitor Chip X7R For Stage : Release Date : Page 29 of 49
30 C28 100P Capacitor Chip NP C29 220P(X7R) Capacitor Chip X7R C3 0.1 Capacitor Chip Y5V C30 3P(03) Capacitor Ceramic 0603 NP0 1 C Capacitor Chip Y5V C302 22P Capacitor Chip NP C303 4P Capacitor Chip NP C304 3P Capacitor Chip NP C P Capacitor Chip NPO C P Capacitor Chip NP C307 3P Capacitor Chip NP C P Capacitor Chip X7R C309 18P Capacitor Chip NP C31 220P(X7R) Capacitor Chip X7R C311 12P Capacitor Chip NP C312 9P Capacitor Chip NP C Capacitor Chip X7R C315 1UF Capacitor Chip Y5V C Capacitor Chip Y5V C32 0.1(X7R) Capacitor Chip X7R C Capacitor Chip Y5V C Capacitor Chip Y5V C35 100P Capacitor Chip NP C Capacitor Chip Y5V C37 6P Capacitor Chip NP C39 100P Capacitor Chip NP C3A 4P(03) Capacitor Ceramic 0603 NP0 1 C4 4P Capacitor Chip NP C40 100P Capacitor Chip NP C41 15P Capacitor Chip NP C42 100P Capacitor Chip NP C43 100P Capacitor Chip NP C44 15P Capacitor Chip NP C45 7P Capacitor Chip NP C46 100P Capacitor Chip NP C Capacitor Chip Y5V C Capacitor Chip X7R C49 100P Capacitor Chip NP C Capacitor Chip X7R C Capacitor Chip X7R C P Capacitor Chip NP For Stage : Release Date : Page 30 of 49
31 C Capacitor Chip Y5V C53 0.1(X7R) Capacitor Chip X7R C54 470P Capacitor Chip X7R C Capacitor Chip Y5V C56 100P Capacitor Chip NP C Capacitor Chip Y5V C58 100P Capacitor Chip NP C59 100P Capacitor Chip NP C6 22P(03) Capacitor Ceramic 0603 NP0 1 C Capacitor Chip Y5V C61 100P Capacitor Chip NP C62 100P Capacitor Chip NP C63 100P Capacitor Chip NP C64 2.7P Capacitor Chip NP C Capacitor Chip X7R C66 100P Capacitor Chip NP C Capacitor Chip X7R C68 100P Capacitor Chip NP C69 10UF(3X5) Capacitor Elect. 3X5 1 C7 100P Capacitor Chip NP C70 220/6.3(6.3X7) Capacitor Elect 1 C Capacitor Chip Y5V C Capacitor Chip Y5V C73 100P Capacitor Chip NP C74 100P Capacitor Chip NP C Capacitor Chip Y5V C76 100P Capacitor Chip NP C Capacitor Chip X7R C Capacitor Chip Y5V C79 100P Capacitor Chip NP C8 100P Capacitor Chip NP C80 100P Capacitor Chip NP C81 100P Capacitor Chip NP C Capacitor Chip X7R C83 100P Capacitor Chip NP C84 1UF Capacitor Chip Y5V C85 100P Capacitor Chip NP C86 7P Capacitor Chip NP C Capacitor Chip X7R C Capacitor Chip Y5V C Capacitor Chip Y5V For Stage : Release Date : Page 31 of 49
32 C9 7P(03) Capacitor Ceramic 0603 NP0 1 C90 680P Capacitor Chip X7R C91 270P(NPO) Capacitor Chip NPO C Capacitor Chip X7R C Capacitor Chip X7R C Capacitor Chip Y5V C Capacitor Chip Y5V C Capacitor Chip Y5V C97 220P(NPO) Capacitor Chip NPO C Capacitor Chip Y5V C Capacitor Chip X7R CF1 21.4MHZ X-tal filter 21.4MHz UM-5 1 CF2 CF450KHz 450KHz IFT 5mm 1 CF3 LTM450GU Ceramic filter LTM450GU 1 CMIC1 F9745AP Condensor Mic 1 CPU1 W742S81A-XXXXX IC CPU 1 CT201 10P (Trimmer) 3 dia STC3M10-T1 1 CX201 4 MHz X-tal D4.00C(20pF) HS-49/S 1 D1 KDS114E Diode Switching 1 D10 KDS114E Diode Switching 1 D13 KDS114E Diode Switching 1 D2 KDS121 CHIP DIODE 1 D3 KDS114E Diode Switching 1 D301 KDS114E Diode Switching 1 D302 KDV154B Diode Vari-cap 1 D5 KDS114E Diode Switching 1 D6 KDS113E Diode Switching 1 D7 KDS112 Diode Chip 1 D8 KDS112 Diode Chip 1 D9 KDS114E Diode Switching 1 IC1 S5018 IC IF 1 IC2 AZ386M IC Speaker 1 IC201 TB31202 IC PLL 1 IC3 XC6201 IC Regulator 4V 1 IC4 S324 IC OP 1 IC5 S324 IC OP 1 IC6 XC61CN2402MR 2.4Vdc Detector IC 1 J9-A EXT MIC Jack Dual LT2510C 1 L1 0.35X1.7X5T(R) Inductor Air 1 L10 27NH(03) Inductor Chip L X1.8X5T(R) Inductor Air 1 For Stage : Release Date : Page 32 of 49
33 L12 5.6UH(05) Inductor Chip L13 220NH(03) Inductor Chip L14 18NH Inductor Chip L15 0.3X1.4X6T(R) Inductor Air 1 L16 100NH Inductor Chip L18 0.3X1.0X3T(R) Inductor Air 1 L2 10UH(05) Inductor Chip L3 0.3X1.4X6T(R) Inductor Air 1 L UH(03) Inductor Chip L X1.1X4T(R) Inductor Air 1 L4 47NH Inductor Chip L5 33NH Inductor Chip L6 0.4X1.1X2T(R) Inductor Air 1 L7 0.35X1.8X5T(R) Inductor Air 1 L8 0.4X1.5X5T(L) Inductor Air 1 L9 27NH(03) Inductor Chip LCD1 LCD GX-XXXXX 1 LED1 LTST-S320GKT Diode LED SMT 1 LED2 DUAL_LED KPBA-3010ESGC 1 PCB1 PCB 4 Layer for MT4040D 1 Q1 NE A Transistor Chip 1 Q10 KRA306E Transistor BRT 1 Q11 BFQ67W Transistor Chip 1 Q12 KRC404E Transistor BRT 1 Q13 KTA1505S Transistor BRT 1 Q14 KRA306E Transistor BRT 1 Q16 KRA226S Transistor BRT 1 Q17 KRC405E Transistor BRT 1 Q18 KRA226S Transistor BRT 1 Q19 KRC401E Transistor BRT 1 Q2 BFQ67W Transistor Chip 1 Q21 KTC4075E Transistor Chip 1 Q22 KTC4075E Transistor Chip 1 Q23 KRC405E Transistor BRT 1 Q24 KRC404E Transistor BRT 1 Q25 KRC405E Transistor BRT 1 Q26 KRA304E Transistor BRT 1 Q27 KRC404E Transistor BRT 1 Q3 KRC405E Transistor BRT 1 Q301 2SC4226 Transistor Chip 1 Q302 2SC4226 Transistor Chip 1 For Stage : Release Date : Page 33 of 49
34 Q4 KRC405E Transistor BRT 1 Q5 KRC404E Transistor BRT 1 Q6 2SC4226 Transistor Chip 1 Q7 KTA2014E Transistor Chip 1 Q8 2SC4226 Transistor Chip 1 Q9 2SC4083 Transistor Chip 1 R1 180K 1% Resistor Chip % 1 R Resistor Chip R100 0 Resistor Chip R K Resistor Chip R M Resistor Chip R Resistor Chip R Resistor Chip R K Resistor Chip R106 47K Resistor Chip R107 39K Resistor Chip R K Resistor Chip R K Resistor Chip R Resistor Chip R K Resistor Chip R K Resistor Chip R K Resistor Chip R K Resistor Chip R M Resistor Chip R K Resistor Chip R K Resistor Chip R K Resistor Chip R K Resistor Chip R119 10K Resistor Chip R12 120K Resistor Chip R120 33K Resistor Chip R121 10K Resistor Chip R K Resistor Chip R Resistor Chip R Resistor Chip R Resistor Chip R126 1K Resistor Chip R K Resistor Chip R Resistor Chip R13 1.8K Resistor Chip R14 5.6K Resistor Chip For Stage : Release Date : Page 34 of 49
35 R15 2.2K Resistor Chip R16 10K Resistor Chip R17 220K Resistor Chip R18 470K Resistor Chip R19 100K Resistor Chip R2 2.7K Resistor Chip R20 680K Resistor Chip R202 1K Resistor Chip R K Resistor Chip R204 10K Resistor Chip R206 0 Resistor Chip R K Resistor Chip R21 1M Resistor Chip R214 1M Resistor Chip R216 1M Resistor Chip R22 100K Resistor Chip R K Resistor Chip R Resistor Chip R Resistor Chip R23 2.2K Resistor Chip R24 100(03) Resistor Chip /-5% 1 R25 3.3K Resistor Chip R26 33K Resistor Chip R27 33K Resistor Chip R28 6.8K Resistor Chip R Resistor Chip R3 2.2K Resistor Chip R30 91K Resistor Chip R Resistor Chip R K Resistor Chip R K Resistor Chip R K Resistor Chip R Resistor Chip R Resistor Chip R309 10K Resistor Chip R31 270K Resistor Chip R311 10K Resistor Chip R32 4.7K Resistor Chip R33 82K 1% Resistor Chip % 1 R34 4.7K Resistor Chip R35 100K Resistor Chip For Stage : Release Date : Page 35 of 49
36 R36 100K Resistor Chip R37 2.7K Resistor Chip R38 8.2K Resistor Chip R39 1.8M Resistor Chip R4 33K 1% Resistor Chip % 1 R40 2.7K Resistor Chip R41 220K Resistor Chip R42 47 Resistor Chip R43 560K Resistor Chip R Resistor Chip R45 2.2K Resistor Chip R46 10K Resistor Chip R47 1.8M Resistor Chip R48 100K Resistor Chip R49 220K Resistor Chip R5 10K Resistor Chip R50 100K Resistor Chip R Resistor Chip R52 4.7K Resistor Chip R53 1.5K Resistor Chip R54 22K Resistor Chip R55 2.7K Resistor Chip R56 4.7K Resistor Chip R57 2.2K Resistor Chip R58 5.6K Resistor Chip R59 10K Resistor Chip R6 3.3K Resistor Chip R60 27K Resistor Chip R61 27K Resistor Chip R62 15K Resistor Chip R63 470K Resistor Chip R64 2.2K Resistor Chip R65 10 Resistor Chip R66 47K Resistor Chip R67 470K Resistor Chip R68 100(TM) NSM3101J280J3Z 1 R69 2.7K Resistor Chip R7 820K Resistor Chip R70 2.2K Resistor Chip R71 100K Resistor Chip R72 1K Resistor Chip For Stage : Release Date : Page 36 of 49
37 R73 180K Resistor Chip R74 91K Resistor Chip R75 12K Resistor Chip R76 470K Resistor Chip R77 10 Resistor Chip R Resistor Chip R79 470K 1% Resistor Chip % 1 R8 330 Resistor Chip R80 180K Resistor Chip R81 8.2K Resistor Chip R82 10K Resistor Chip R83 47 Resistor Chip R84 22K Resistor Chip R85 220K Resistor Chip R Resistor Chip R Resistor Chip R88 220K Resistor Chip R89 470K Resistor Chip R9 4.7K Resistor Chip R90 120K Resistor Chip R91 10K Resistor Chip R92 10K Resistor Chip R93 100K Resistor Chip R94 47 Resistor Chip R Resistor Chip R97 220K Resistor Chip R98 470K Resistor Chip R99 3.9K Resistor Chip RV1 220KB Semi-fixed resistor 3 dia 1 RV2 4.7KB Semi-fixed resistor 3 dia 1 SF1 439MHz (HDF-440DS) SAW filter F-11SMD type 1 SPK1 Speaker (MD36B-858) Speaker 36dia 8ohm 1 X MHZ X-tal DA20.950TF(16pF) HC-49/S 1 For Stage : Release Date : Page 37 of 49
38 1. ICs MT-4040 SEMICONDUCTOR VOLTAGE CHART PIN RX PIN TX RX PIN TX RX IC IC IC S TB S PIN TX RX IC 2 RX PIN IC IC IC S UTC XC PIN IC XC61CN MR For Stage : Release Date : Page 38 of 49
39 2. CPU PIN TX RX PIN TX RX CPU W E81A NC NC NC NC NC NC NC NC DIODE PIN TX RX PIN TX RX D1 A D9 A KDS114E K KDS114E K D13 A D5 A KDS114E K KDS114E K D2 K D6 A KDS121 A KDS113E K A K D10 A D7 K KDS114E K KDS112 A A D3 A D8 K KDS114E K KDS112 A A D301 A KDS114E K D302 A KDV154B K For Stage : Release Date : Page 39 of 49
40 3. TRANSISTOR PIN TX RX PIN TX RX Q1(H/L) E Q23 E NE A B 0.2/ KRC405E B C C Q10 E Q24 E KRA306E B KRC404E B C C Q11 E Q25(PMR/LPD) E BFQ67W B KRC405E B 4.2/0.2 0/3.9 C C 3.5/ Q12 E Q26(PMR/LPD) E 4.3/ /4.0 KRC404E B KRA304E B 0.4/ /0 C C 4.1/0 0/4.0 Q13 E Q27 E KTA1505S B KRC404E B C C Q14 E Q8 E KRA306E B SC4226 B C C Q22 E Q3 (H/L) E KTC4075E B KRC405E B 0.15/3.7 0/3.5 C C 0.1/ Q16 E Q301 E KRA226S B SC4226 B C C Q17 E Q302 E KRC405E B SC4226 B C C Q18 E Q4 (H/L) E KRA226S B KRC405E B 0.12/3.56 0/3.5 C C 0.4/ Q19 E Q5 E KRC401E B KRC404E B C C Q2 (H/L) E Q6 E BFQ67W B 0.58/ SC4226 B C C Q9 E Q7 E SC4083 B KTA2014E B C C Q21 E KTC4075E B C For Stage : Release Date : Page 40 of 49
41 SEMICONDUCTOR LEAD ASSIGNMENT AND BLOCK DIAGRAM A. DIODE 1. KDS113 : VHF TUNER BAND SWITCH APPLICATION 2. KDS114E : VHF TUNER BAND SWITCH APPLICATION 3. KDS120 : ULTRA HIGH SPEED SWITCHING APPLICATION 4. KDS121 : ULTRA HIGH SPEED SWITCHING APPLICATION 5. KDV154B : VHF,UHF TUNER AFC VCO FOR UHF BAND RADIO For Stage : Release Date : Page 41 of 49
42 B. TRANSISTOR 1. KRA306E : SWITCHING APPLICATION. INTERFACE CIRCUIT AND DRIVER CIRCUIT APPLICATION. 2. 2SC4083 : HIGH FREQUENCY AMPLIFIER. 3. KRC404E : SWITCHING APPLICATION. INTERFACE CIRCUIT AND DRIVER CIRCUIT APPLICATION. 4. KRC405E : SWITCHING APPLICATION. INTERFACE CIRCUIT AND DRIVER CIRCUIT APPLICATION. 5. KRC401E : SWITCHING APPLICATION. INTERFACE CIRCUIT AND DRIVER CIRCUIT APPLICATION. 6. KRA226S : HIGH CURRENT SWITCHING APPLICATION. 7. KTA1505S : GENERAL PURPOSE SWITCHING APPLICATION. 8. KTA2014E : GENERAL PURPOSE SWITCHING APPLICATION. 9. 2SC4226 : HIGH FREQUENCY LOW NOISE AMPLIFIER. 10. NE A : SILICON POWER MOS FET For Stage : Release Date : Page 42 of 49
43 B. IC 1. AZ386 LOW VOLTAGE AUDIO AMPLIFIER 2. XC61N2402MR STANDARD VOLTAGE DETECTOR For Stage : Release Date : Page 43 of 49
44 2. S For Stage : Release Date : Page 44 of 49
45 4. TB XC201 For Stage : Release Date : Page 45 of 49
46 Customer: Title: MT2020/4040D SERVICE MANUAL Rev. Date: January 5, 2005 MT-2020D EXPLODED VIEW For Stage : Release Date : Page 46 of 49
47 Customer: Title: MT2020/4040D SERVICE MANUAL Rev. Date: January 5, 2005 MT-2020D EXPLODED VIEW PARTS LIST For Stage : Release Date : Page 47 of 49
48 Customer: Title: MT2020/4040D SERVICE MANUAL Rev. Date: January 5, 2005 MT-4040D EXPLODED VIEW For Stage : Release Date : Page 48 of 49
49 Customer: Title: MT2020/4040D SERVICE MANUAL Rev. Date: January 5, 2005 MT-4040D EXPLODED VIEW PARTS LIST For Stage : Release Date : Page 49 of 49
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