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CLASS D/DSC TERMINAL

DS-100

SERVICE

MANUAL

DS-100_TOPCOVER.qxd 00.7.27 11:30 AM Page 1

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Summary of Contents for DS-100

Page 1: ...CLASS D DSC TERMINAL DS 100 SERVICE MANUAL DS 100_TOPCOVER qxd 00 7 27 11 30 AM Page 1...

Page 2: ...model name and unit name 4 Quantity required SAMPLE ORDER 1110003200 S IC TA31136FN DS 100 MAIN UNIT 5 pieces 8810006050 Screw Icom screw E7 DS 100 Rear panel 10 pieces Addresses are provided on the i...

Page 3: ...POWER SUPLLY CIRCUIT 3 2 3 6 LOGIC CIRCUIT 3 2 3 7 PORT ALLOCATIONS 3 2 SECTION 4 ADJUSTMENT PROCEDURES 4 1 PREPARATION 4 1 4 2 REFERENCE AND RECEIVER ADJUSTMENTS 4 2 SECTION 5 PARTS LIST SECTION 6 M...

Page 4: ...ominal Dimensions projections not included 165 W 110 H 78 D mm Weight 1 kg approx RECEIVER Receive system Double conversion superheterodyne system Intermediate frequencies 1st 21 7 MHz 2nd 450 kHz Sen...

Page 5: ...CO circuit PLL IC IC2 PD3140GS 2nd IF filter FI3 ALFY450E FM IF IC IC1 TA31136FN DSC decoder IC4 NJM2211M Reference Oscillator X2 CR 659 21 25 MHz LOGIC UNIT LCD driver IC6 IC7 HD61202UFS IC8 HD61203U...

Page 6: ...s applied to the 2nd mixer section of the FM IF IC IC1 pin 16 and is mixed with the 2nd LO signal to be converted into a 450 kHz 2nd IF sig nal The FM IF IC contains the 2nd mixer limiter amplifier qu...

Page 7: ...then applied to the CPU after shaping wave form at IC6 3 3 2 DSC ENCODE CIRCUT MAIN UNIT The DSC signals from the D A outputs of CPU are amplified at the buffer amplifier Q17 and converted into 600 i...

Page 8: ...M501EURO via the photo coupler MAIN unit IC8 and buffer amplifier MAIN unit IC6 Outputs the control signal to IC M501EURO via the Buffer amplifier MAIN unit Q11 Q12 D10 Outputs busy LED MAIN unit DS1...

Page 9: ...uency range 0 1 300 MHz Output level 0 1 V 32 mV 127 to 17 dBm Frequency range 1 kHz 10 Measuring range 1 100 Digital multimeter DC voltmeter AC millivoltmeter Oscilloscope External speaker Terminator...

Page 10: ...Turn R29 counter clockwise on the MAIN unit to 9 o clock posi tion Connect an SSG to the antenna connector and set as Frequency 156 525 MHz Level 0 25 V 119 dBm Modulation 1 kHz Deviation 3 0 kHz Rece...

Page 11: ...adjustment R29 L4 L1 L2 L3 Reference frequency check point Sensitivity adjustment CP4 Reference frequency adjustment C57 Lock voltage check point CP3 Sensitivity check point CP1 Squelch check point D...

Page 12: ...0003360 S RESISTOR ERJ3GEYJ 221 V 220 R53 7030003360 S RESISTOR ERJ3GEYJ 221 V 220 R54 7030003360 S RESISTOR ERJ3GEYJ 221 V 220 R55 7030003360 S RESISTOR ERJ3GEYJ 221 V 220 R56 7030003590 S RESISTOR E...

Page 13: ...3140GS E1 DS8 IC3 1110003750 S IC M5218AFP 600C IC4 1110003650 S IC NJM2211M TE1 IC5 1170000280 S IC TLP121 GB TPL IC6 1130007420 S IC TC7W14FU TE12L IC8 1170000280 S IC TLP121 GB TPL IC9 1110002030 I...

Page 14: ...RESISTOR ERJ3GEYJ 822 V 8 2 k R99 7030003770 S RESISTOR ERJ3GEYJ 564 V 560 k R100 7030003710 S RESISTOR ERJ3GEYJ 184 V 180 k R101 7030003490 S RESISTOR ERJ3GEYJ 272 V 2 7 k R102 7030003380 S RESISTOR...

Page 15: ...590 ELECTROLYTIC 16 MV 470 HC C112 4030006900 S CERAMIC C1608 JB 1E 103K T A C113 4030011600 S CERAMIC C1608 JB 1C 104KT N C114 4030011600 S CERAMIC C1608 JB 1C 104KT N C115 4510004630 S ELECTROLYTIC...

Page 16: ...l 1 MP27 8930049320 2288 VENT sheet 1 REF NO SECTION 6 MECHANICAL PARTS CHASSIS PARTS ORDER NO DESCRIPTION QTY MP1 8610010560 2040 knob bolt black 2 MP2 8010018151 2345 mobile bracket 1 1 MP3 88500005...

Page 17: ...H MP23 CH MP22 CH MP20 CH MP19 CH MP4 CH MP6 CH MP2 L DS1 L EP2 L MP18 CH MP16 CH MP1 M J3 L BT1 L MP3 L MP1 L MP5 CH W2 CH EP1 CH W2 CH SP1 M MP25 CH MP3 CH J1 CH W1 CH MP26 CH Unit abbreviations CH...

Page 18: ...04 Symbol AEG Symbol BAR Symbol QY Symbol LL Symbol QO Symbol YG Symbol K Symbol UK Symbol 06 Symbol XD B E C B C E B E C B E C B E C D G S D S G2 G1 D S G2 G1 B E C B E C DIODES 1SS184 1SS355 DA204 U...

Page 19: ...8 1 8 1 LOGIC UNIT SECTION 8 BOARD LAYOUTS TOP VIEW...

Page 20: ...4 5 8 51 75 76 100 80 51 30 30 1 51 80 81 100 50 31 1 100 81 31 50 30 1 51 80 81 100 50 31 1 7 14 8 1 7 14 8 BEEP 8V GND 5V DATAM NMEAI DSMOD SQL CLRX UNLK PCK Vcc BUSY GND DATAS NMEAO GND DDEC RCEV...

Page 21: ...AO ICF3 GND to OPC 951 1 10 J2 GND Vcc DSC DSC DATAM DATAM DATAS DATAS ICF3 GND to LOGIC unit J1 1 2 21 22 J3 BEEP 8V GND 5V DATAM NMEAI DSMOD SQL CLRX UNLK PCK Vcc BUSY GND DATAS NMEAO GND DDEC RCEV...

Page 22: ...3B PLL DATA BUS MAIN unit LOGIC unit IC2 HN58X2432TI EEPROM RESET DIM CTRL X1 CR 610 X2 DMX 26S DSC Port NMEAI IC1 MB90F583BPFV G Q17 2SC4116 IC6 TC7W14FU NMEAI NMEAI DSC DSC IC5 TLP121 PHOTO COUPLER...

Page 23: ...7 COM6 COM5 COM4 COM3 COM2 COM1 C28 0 001 C29 20p R84 47k V4 V3 V2 V1 CL CL M M FRM FRM FAI1 FAI2 5V 5V V1 V2 V3 V4 V5 V1 V2 V5 V6 V6 8V 8V 8V CADJ CADJ 8V C26 0 001 FAI1 FRM E FAI2 CL DI RW RST CS1 D...

Page 24: ...2 7 C75 0 75p C76 0 001 C77 0 01 C80 5p C81 12p C82 0 001 C84 0 001 R42 1k R44 68k R47 100 R48 3 3k R49 2 2k R51 220 Q6 2SC4215 Q7 2SC4215 Q8 2SC4215 C83 12p C85 0 01 C86 0 01 R52 8 2k R53 1 5k R54 4...

Page 25: ...454 1509 URL http www icomamerica com Customer Service Phone 425 454 7619 Glenwood Centre 150 6165 Highway 17 Delta B C V4K 5B8 Canada Phone 604 952 4266 Fax 604 952 0090 URL http www icomcanada com A...

Page 26: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13702HZ CD q C 2000 Icom Inc DS 100 bottomcover qxd 00 10 11 11 18 AM Page 2...

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