Sangean DPR-25+ Скачать руководство пользователя страница 29 | Manualshive

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1. IC1 – TC9257FG

2. IC2 – XC6203E502PR

IC CIRCUIT BLOCK DIAGRAM

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Содержание DPR-25+

Страница 1: ...View 14 LCD PCB Top View 15 LCD PCB Bottom View 16 PCB Top View 17 PCB Bottom View 18 Wiring Diagram 19 Troubleshooting Flow Chart 20 21 Electrical Parts List 22 25 Mechanical Parts List 26 27 Explode...

Страница 2: ...d Sens S N 6dB 106MHz 22 26 dB I F Rejection S N 6dB 90MHz 60 dB 3db Limiting 80dBu 18 24 dBu Min output 1 5 3 mV Auto Scan 22 28 dBu S N 1mV 46 40 dB Current Consumption R O 160 180 mA Am Suppression...

Страница 3: ...Rejection S N 6dB 603KHz 50 40 dB Selectivity 10KHz S N 6dB 32 26 dB Bandwidth 6dB S N 6dB 6 11 KHz T H D 74dBu m 2 4 Lowest Batt Volt 74dBu m 6 3 6 7 V Hum Modulation 100dBu m dB Auto Scan Stop Sens...

Страница 4: ...ise 13F 87 90 dBm S N Ratio Without pop noise 10A 50 56 dB Max input Signal Without pop noise 10A 10 0 dBm 5A 90 92 dBm 10A 92 94 dBm 12B 92 94 dBm Acquisition Selectivity Measurement to EN50248 13F 9...

Страница 5: ...5 V I S Input Sensitivity AUX IX 100Hz ATT 0 OUT 0 5W Volume MAX 130 30 mV DISTORTION AUX IN I S 1KHz OUT R O 0 1 0 4 MIN OUTPUT AUX IN I S 1KHz Volume MIN 0 7 2 mV S N RATIO AUX IN I S 1KHz GND OUT R...

Страница 6: ...D PT2386 DAB Q15 Q17 5V REG Q10 Q27 6V REG Q5 Q6 AUX SW TC4066 Tuner TA2149 Q4 Q23 Pre AMP FLIP FLIP TC4013 u COM TMP87EP26F 3DSW LINE OUT DC DC 5V DC DC 3 3V RDS BU1924 DC DC 15V Main AMP AN7142 POWK...

Страница 7: ...n series with a resistor of 1 2K to the TP1 and TP2 3 Connect the RF output terminal of AM IF sweep generator to another test point TP5 4 Connect a 100 F electrolytic capacitor to test point TP2 and T...

Страница 8: ...ment Procedure 1 Turn on the radio 2 Connect the probe of DVM to the test point TP1 and TP2 3 Tune the AM frequency to 522 kHz 4 Adjust L3 to have a reading of 1 2 0 04V 5 Tune the AM frequency to 162...

Страница 9: ...ruments DVM b Alignment Procedure Mode Adjustment Procedure 1 Turn on the radio 2 Connect the probe of DVM to the TP1 and TP2 3 Tune the FM frequency to 108MHz FM L4 4 Adjust L4 to have a reading of 8...

Страница 10: ...signal to the AM ferrite bar antenna L12 4 Tune the generator frequency to 1404 kHz 5 Tune the AM frequency to 1404 kHz and adjust TC3 to have a max reading on SSVM 6 Return the generator frequency t...

Страница 11: ...0 and TP11 4 Set the signal generator to 22 5 kHz deviation with 1 kHz modulation 5 Always tune the generator frequency to exactly same as the radio band frequency before adjustment 6 Tune the FM freq...

Страница 12: ...TEST POINTS DIAGRAM 12...

Страница 13: ...MAIN PCB TOP VIEW 13...

Страница 14: ...MAIN PCB BOTTOM VIEW 14...

Страница 15: ...LCD PCB TOP VIEW 15...

Страница 16: ...LCD PCB BOTTOM VIEW 16...

Страница 17: ...PCB TOP VIEW 17...

Страница 18: ...PCB BOTTOM VIEW 18...

Страница 19: ...WIRING DIAGRAM 19...

Страница 20: ...bnormal parts Yes No Check the IC13 and Q25 circuit is normal Check whether the pin1 of DAB MODULE exceeds 5V DC Then replace the abnormal parts 2 Weak sensitivity in DAB band No Check the C134 C135 L...

Страница 21: ...ltage is normal Check the L4 local oscillator circuit Then replace the abnormal parts Yes Check whether L8 and TC2 the No corresponding RF tank circuit are Then replace the abnormal parts normal 4 PLL...

Страница 22: ...T 4 D 2 4 300 1041220 CH DIODE 1SS367 1 D 18 1043150 A CH VARICAP KV1450TL G3 4 1 D 11 1043160 CH VARACTOR KV1610 2 1 D 9 1045000T ZENER 1N751A 5 1V T 2 D 15 19 1045020 CH DIODE 1SS314 1 D 8 1045090 Z...

Страница 23: ...NCODER 1 EN 200 1900360 W SPK 200 6 2P 1 W 301 1900830 A W SPK 300 6 2P R B 1 W 302 1900841 DAB M FS2020 DPR 25 1 MODULE 1 4110261C CC 102K 50V Y5P 05 1 C 184 442256PT0 EL 225M 50V 5x11 1 C 154 443356...

Страница 24: ...CC 474Z 16V Y5V C 1 C 114 5056101 CH CC 561J 50V NPO C 1 C 24 5068001 CH CC 680J 50V NPO C 3 C 120 121 134 5068261 CH CC 682K 50V X7R C 2 C 92 97 5068351 CH CC 683K 16V R C 2 C 600 601 5210471 CH CC 1...

Страница 25: ...00160 CH RD 1 16W 100KJ C 19 R 14 32 36 63 66 69 76 77 90 98 103 106 108 110 123 129 132 137 142 6100164 CH RD 1 16W 220KJ C 1 R 15 6100165 CH RD 1 16W 270KJ C 1 R 115 6100166 CH RD 1 16W 330KJ C 1 R...

Страница 26: ...x3 2 A4 DPR25 35 25 23P4070 EVA 24x1 5 2 A4 DPR25 36 26 24M3000 PAD 4 A4 RD15 13 27 24M3010 VR KNOB SPACER 1 A4 RD15 27 28 24P4000 CONDUCT RUBBER 2 A4 DPR25 11 29 25M5000 EVA 1 30 301P410 FRONT CABINE...

Страница 27: ...ESCRIPTION Q TY DWG NO REMARK A PCB FRONT CABx3 BATT CASE 2 BACK COV ERx6 FRONT CAB MODULEx1 50 9163052 SCREW PTB M3x5 NI 14 SPK SPK HOLDERx8 SPK HPLDER FRONT CAB x6 51 9901030 WASHER 3 3x 8x0 5T 1 ME...

Страница 28: ......

Страница 29: ...1 IC1 TC9257FG 2 IC2 XC6203E502PR IC CIRCUIT BLOCK DIAGRAM 29...

Страница 30: ...3 IC3 TMP87EP26F 30...

Страница 31: ...4 IC4 BU1924F 5 IC5 NJM4556LD 31...

Страница 32: ...6 IC6 AN7141 7 IC7 74HC74 32...

Страница 33: ...8 IC8 74HC14 9 IC9 PT2386 33...

Страница 34: ...10 IC10 XC6365A333MR 11 IC11 6002P 34...

Страница 35: ...12 IC12 TA2149BFN 13 IC13 XC6365A503MR 35...

Страница 36: ...14 IC14 TC4013BFN 15 IC15 BA09FB 36...

Страница 37: ...16 IC16 74AHC1G32GW 17 IC300 TC4066BP 37...

Страница 38: ...18 IC500 ST7066U 19 IC501 ST7065C 38...

Страница 39: ...IC5 NJM4556LD IC6 AN7142 PIN DAB FM AM PIN DAB FM AM PIN DAB FM AM 1 0 2 40 0 1 3 00 2 98 2 99 1 0 0 0 2 0 2 41 0 2 3 00 2 98 2 99 2 1 28 1 20 1 25 3 0 2 45 0 3 2 99 2 98 2 99 3 0 0 0 4 0 2 42 0 4 0...

Страница 40: ...4 95 4 96 85 0 0 0 11 4 99 4 98 4 99 36 0 0 0 61 0 0 0 86 0 0 0 12 4 97 4 98 4 98 37 0 0 0 62 0 0 0 87 0 0 0 13 0 0 0 38 0 0 0 63 0 0 0 88 0 0 0 14 0 0 0 39 0 0 0 64 0 0 0 89 0 0 0 15 0 0 0 40 0 0 0...

Страница 41: ...0 0 3 0 0 0 3 0 0 0 10 4 95 0 0 4 4 95 0 0 11 0 44 0 0 5 0 44 0 0 12 4 95 0 0 6 4 95 0 0 13 0 45 0 0 IC13 XC6365A503MR 7 0 0 0 14 4 95 0 0 PIN DAB FM AM 1 3 19 8 08 8 12 2 7 84 8 08 8 12 IC9 PT2386 3...

Страница 42: ...0 5 96 5 98 10 0 5 21 5 40 22 0 5 96 5 98 11 0 1 24 4 52 23 0 5 96 5 98 12 0 1 26 1 28 24 0 5 96 5 98 IC14 TC4013BFN PIN DAB FM AM PIN DAB FM AM 1 4 98 0 4 98 8 0 39 0 17 0 32 2 0 0 0 9 0 39 0 16 0 27...

Страница 43: ...59 Q5 C 0 0 4 74 Q14 D 3 46 0 0 Q23 C 0 5 04 0 E 4 81 4 79 4 82 E 0 0 0 E 0 0 0 B 4 77 4 10 4 77 B 0 0 58 0 60 B 0 0 35 0 38 Q6 C 0 4 68 0 Q15 C 5 96 0 0 Q24 C 0 5 38 5 59 E 0 0 0 E 0 0 0 S 7 86 8 07...

Страница 44: ...1SS314 C 2SA1611 C KV1450 1SS367 C C MM4148 2SB815 B E 2SC4154 IN5817 C A A KV1610S C 2SB1386Q ZENER RD5 1 A Anode C Cathode ZENER RD15 Diodes E Emitter C Collector B Base Transistors SEMICONDUCTOR LE...

Страница 45: ...XOUT 5 XTOUT 77 SDA 78 REQ 79 NC 76 SCL 7 TEST 8 NC 10 MUTE EN 11 AD DET 15 SI2 14 SCK2 17 WAIT 16 SO2 13 TIME OFF 65 NC 64 NC 21 VOL STB 22 POWER EN 19 TUNE 62 NC 61 LCD_E 27 DAB_LCD_PE 25 VOL CLK 28...

Страница 46: ...LCD SCHEMATIC DIAGRAM 46...

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