Icom IC-RX7, Service Manual Addendum

Page 1: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 8 VOLTAGE DIAGRAM 10 Feb 2010...

Page 2: ...ON MAIN UNIT L4 6200010850 S COI LQW18AN22NG00D LQW1608A22NG00 B 4 4 37 L5 6200010130 S COI LQW18AN6N8C00D B 8 4 34 9 L7 6200009220 S COI LQW18AN15NG00D LQW1608A15NG00 B 2 6 36 1 L8 6200010120 S COI L...

Page 3: ...40 6 C34 4030017590 S CER C1005 CH 1H 070C T B 6 3 36 2 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount REF PARTS DESCRIPTION M H V NO NO LOCATION MAIN UNIT C35 4...

Page 4: ...XK5F16537YG T 28 9 20 4 J3 6510026700 S CON AXK3S50335G T 11 9 8 9 J4 6450002250 CON HSJ1456 010320 J5 6450002131 CON 04 730A3 02BKA EP6 6910013310 S BEA MMZ1608D121B B 36 36 2 EP9 6910014690 S BEA MP...

Page 5: ...C39 4550000930 S TAN TEESVA 1D 684M8R B 7 1 12 8 C40 4030016790 S CER C1005 JB 1E 103K T B 3 1 10 5 C41 4030017460 S CER C1005 JB 1H 102K T B 13 6 10 8 C42 4030017460 S CER C1005 JB 1H 102K T B 16 1...

Page 6: ...51 7 IC19 1110006490 S IC LMV321IDCKR B 1 9 49 7 IC20 1130011770 S IC CD4066BPWR B 7 7 47 2 Q2 1510000671 S TRA 2SA1588 GR TE85R F B 37 7 37 Q5 1530003630 S TRA 2SC4617 TLS T 9 3 99 8 Q8 1510001100 S...

Page 7: ...B 4 2 48 1 R223 7030009290 S RES ERJ2GEJ 562 X 5 6K B 5 8 51 5 R224 7030009290 S RES ERJ2GEJ 562 X 5 6K B 7 4 51 5 R225 7030005600 S RES ERJ2GEJ 273 X 27K B 7 4 43 R226 7030005600 S RES ERJ2GEJ 273 X...

Page 8: ...6 C166 4030019500 S CER GRM21BB31A106KE18 GRM40 B B 31 2 44 6 C167 4030016930 S CER C1005 JB 1A 104K T B 33 37 6 C168 4030016930 S CER C1005 JB 1A 104K T B 31 3 47 6 C169 4030016930 S CER C1005 JB 1A...

Page 9: ...C162 C167 C168 C172 C178 C181 C187 C245 C246 C249 C291 C292 C296 C306 C313 C316 C401 C402 C406 C425 C431 C435 C441 C445 D1 D2 D5 D29 D53 FI3 J1 J2 J3 J4 J5 L25 L29 L31 Q2 Q3 Q36 Q38 Q40 Q47 R2 R3 R4...

Page 10: ...R190 R194 R195 R196 R203 R204 R210 R215 R221 R222 R223 R225 R226 R227 R228 R229 R230 R232 R233 R234 R236 R237 R239 R240 R242 H0 H5 H10 H15 H20 H25 H30 H35 H40 H45 V0 V5 V10 V15 V20 V25 V30 V35 V40 V4...

Page 11: ...15F S21 E UP DN MMZ1005Y102CT EP15 1k R213 R70 10K D9 D7 D10 D12 D13 100K R41 1k R50 10k R31 10K R231 10K R232 10K R233 10K R234 10K R235 47K R236 47K R237 47K R239 47K R241 100K R242 47K R243 47K R24...

Page 12: ...D34 NTCG16 R216 0 001 C184 0 47 C185 82K R201 47K R203 UNR9213G0 Q26 LMV321IDCK IC19 1 2 3 4 5 10K R218 CD4066BPWR IC20 1 I O1 2 O I1 3 O I2 4 I O2 5 CONT2 6 CONT3 7 VSS 8 I O3 9 O I3 10 O I4 11 I O4...

Page 13: ...7 8 2N L36 6 8K R26 27N L16 3 3k R54 0 1 C417 MA2S077G0 D51 2 2K R222 HVD328C D31 HVD328C D35 220P C106 100K R61 100K R68 2P C119 220P C122 27N L20 LQW18AN82NG00D L53 MA2S077G0 D52 0 1 C418 2 2K R223...

Page 14: ...148 0 R149 3 3U L41 2 7U L51 22P C414 0 R167 4 7K R172 100 R181 HSJ1456 010320 J4 04 730A3 02BKA J5 M PZ1608S221A EP10 0 0047 C415 0 1 C416 M PZ1608S221A EP9 0 01 C183 MMZ1608D121B EP6 MMZ1608Y121BT E...

Page 15: ...0 1U L17 0 001 C29 0 001 C26 4 7K R59 8 2K R16 0 1 C69 0 1U L13 220 R17 0 1 C30 10 C70 0 001 C71 0 47U L19 18P C27 18P C28 C2012C L6 C2012C L9 100 R1 100 R6 100 R11 220 R18 C2012C L12 LQW18AN68NG00D...

Page 16: ...SERVICE MANUAL ADDENDUM CONTENTS REPLACEMENT PAGE 6 1 PARTS LIST 1 VOLTAGE DIAGRAM 8 Feb 2009...

Page 17: ...RMALLY SHEET BC 1 MP35 8930076700 INSULATION SHEET MI 1 MP38 8930077330 3076 MAGNETIC SHIELD 1 LOGIC UNIT ACCESSORIES MAIN UNIT REF ORDER DESCRIPTION QTY NO NO J5 6510021901 BM02B ASRS TF LF SN 1 J6 6...

Page 18: ...O NO LOCATION L4 6200010850 S COI LQW18AN22NG00D LQW1608A22NG00 B 4 4 37 L5 6200010130 S COI LQW18AN6N8C00D B 8 4 34 9 L7 6200009220 S COI LQW18AN15NG00D LQW1608A15NG00 B 2 6 36 1 L8 6200010120 S COI...

Page 19: ...1H030B B 7 8 36 2 C22 4030017600 S CER ECJ0EC1H080C B 14 6 35 4 C23 4030017460 S CER ECJ0EB1E102K T 19 7 42 7 C24 4030017460 S CER ECJ0EB1E102K B 20 7 38 C25 4030017390 S CER ECJ0EC1H180J B 13 7 35 4...

Page 20: ...UK 01 6510024971 S CON AXK5F16537YG USA 01 6510024971 S CON AXK5F16537YG EXP 01 6510024970 S CON AXK5F16535YJ CHN 01 6510024971 S CON AXK5F16537YG CAN 01 J2 6510024971 S CON AXK5F16537YG EUR 01 T 28...

Page 21: ...T 13 12 2 C24 4030016930 S CER ECJ0EB1A104K T 10 7 10 7 C25 4030017460 S CER ECJ0EB1E102K T 2 8 17 4 C26 4030017460 S CER ECJ0EB1E102K T 7 8 15 1 C27 4030017390 S CER ECJ0EC1H180J T 9 8 17 2 C28 4030...

Page 22: ...C BQ24064DRCR B 42 8 51 7 IC19 1110006490 S IC LMV321IDCKR B 1 9 49 7 IC20 1130011770 S IC CD4066BPWR B 7 7 47 2 Q2 1510000671 S TRA 2SA1588 GR TE85R F B 37 7 37 Q5 1530003630 S TRA 2SC4617 TLS T 9 3...

Page 23: ...73 9 R218 7030005050 S RES ERJ2GEJ 103 X 10K B 3 8 50 2 R219 7030005040 S RES ERJ2GEJ 472 X 4 7K B 4 2 51 5 R220 7030005040 S RES ERJ2GEJ 472 X 4 7K B 8 6 51 9 R221 7030005040 S RES ERJ2GEJ 472 X 4 7K...

Page 24: ...17460 S CER ECJ0EB1E102K B 40 3 49 8 C165 4030016930 S CER ECJ0EB1A104K B 34 8 37 6 C166 4030019500 S CER GRM21BB31A106KE18 GRM40 B B 31 2 44 6 C167 4030016930 S CER ECJ0EB1A104K B 33 37 6 C168 403001...

Page 25: ...S21 E UP DN MMZ1005Y102CT EP15 1k R213 R70 10K D9 D7 D10 D12 D13 100K R41 1k R50 10k R31 10K R231 10K R232 10K R233 10K R234 10K R235 47K R236 47K R237 47K R239 47K R241 100K R242 47K R243 47K R244 10...

Page 26: ...G16 R216 0 001 C184 0 47 C185 82K R201 47K R203 UNR9213J Q26 LMV321IDCK IC19 1 2 3 4 5 10K R218 CD4066BPWR IC20 1 I O1 2 O I1 3 O I2 4 I O2 5 CONT2 6 CONT3 7 VSS 8 I O3 9 O I3 10 O I4 11 I O4 12 CONT4...

Page 27: ...N L36 6 8K R26 27N L16 3 3k R54 0 1 C417 MA2S077 D51 2 2K R222 HVD328C D31 HVD328C D35 220P C106 100K R61 100K R68 2P C119 220P C122 27N L20 LQW18AN82NG00D L53 MA2S077 D52 0 1 C418 2 2K R223 33P C133...

Page 28: ...148 0 R149 3 3U L41 2 7U L51 22P C414 0 R167 4 7K R172 100 R181 HSJ1456 010320 J4 04 730A3 02BKA J5 M PZ1608S221A EP10 0 0047 C415 0 1 C416 M PZ1608S221A EP9 0 01 C183 MMZ1608D121B EP6 MMZ1608Y121BT E...

Page 29: ...0 1U L17 0 001 C29 0 001 C26 4 7K R59 8 2K R16 0 1 C69 0 1U L13 220 R17 0 1 C30 10 C70 0 001 C71 0 47U L19 18P C27 18P C28 C2012C L6 C2012C L9 100 R1 100 R6 100 R11 220 R18 C2012C L12 LQW18AN68NG00D...

Page 30: ...S 14510XZ C1 Aug 2008 WIDEBAND RECEIVER...

Page 31: ...10 digit Icom parts numbers 2 Component name 3 Equipment model name and unit name 4 Quantity required ORDER EXAMPLE 1110003491 S IC TA31136FNG IC RX7 MAIN UNIT 5 pieces 8820001210 Screw 2438 screw IC...

Page 32: ...4 VOLTAGE DIAGRAMS 4 4 4 5 PORT ALLOCATIONS 4 5 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION 5 1 5 2 FREQUENCY ADJUSTMENT 5 2 SECTION 6 PARTS LIST SECTION 7 MECHANICAL PARTS SECTION 8 BOARD LAYOUTS...

Page 33: ...in Weight approx 200 g 7 1 oz with the ant and BP 244 AF output power at 3 7 V DC More than 600 mW at 70 modulation 10 distortion with an 8 load Ext speaker connector 3 conductor 3 5 d mm 1 8 8 D Rece...

Page 34: ...IT MAIN UNIT TONE CONTROLER AF SW IC20 CLONE BUFFER IC8 EEPROM IC14 EEPROM IC15 3V line SW Q28 CPU IC17 3V REG IC4 3 2V REGULATOR IC3 TONE FILTER IC12 1ST VCO REFERENCE FREQUENCY OSCILLATOR X1 DISCRIM...

Page 35: ...the LOGIC UNIT from the rear panel 3 Removing the MAIN UNIT q Unscrew 5 screws from the MAIN UNIT w Unsolder 1 point at the bottom of antenna conector then remove the MAIN UNIT from the rea panel SEC...

Page 36: ...d 2nd IF circuits FM and AM demodulator circuits The RX signals from the antenna are filtered amplified and converted into the 1st and 2nd IF signals in sequence then FM AM demodulated ATTENUATOR CIRC...

Page 37: ...es 409 4500 448 7500 MHz signal in FM AM mode and oscillates 408 3500 449 8500 MHz signal in WFM mode VCO The oscillator is composed by Q1 D1 C2 5 L1 The VCO output signals are passed through the LPF...

Page 38: ...ly circuits supply the voltage for each circuits CPU IC17 is a 16 bits CPU that integrated ROM RAM the intrude controller real time pulse unit serial interface and A D converter on the chip and the CP...

Page 39: ...775F32 CHARGE CONTROL DC 6V Q27 HAT1023R D2 SB07 03C D35 MA2S728 IC18 BQ24064 LOGIC UNIT MAIN UNIT 3VREG VCO3V 1stVCO UNIT LCD backlight L DS10 12 AF power AMP L IC9 Main power line RF circuits 1st an...

Page 40: ...L Q11 12 control H AF power AMP L IC9 ON O 44 BEEP Beep sounds square waves I 45 RSSI RSSI voltage A D value I 46 RTONE Demodulated tone signals I Pin No LINE NAME DESCRIPTION I O 47 CTONE Demodulated...

Page 41: ...in the transceiver before starting adjustment When the adjustment is finished the memory data may be cleared KEY ASSIGNMENT FOR ADJUSTMENT MODE w Push and hold Y Z 8 and SEARCH keys turn the power ON...

Page 42: ...30 Level 20 dBm FREQUENCY COUNTER 0 1 30 MHz 50 coaxial cable ex RG 174 U CP6 GND 50 coaxial cable ENT key Displayed frequency is differ according to versions MAIN UNIT under the LOGIC UNIT ADJUSTMENT...

Page 43: ...the function display 2 Push ENT MW key High VHF band Band center 8 TRM 1 Set the SSG as Frequency Displayed on the function display 2 Push ENT MW key High VHF band Bandhigh 9 TRH 1 Set the SSG as Fre...

Page 44: ...uency Displayed on the function display Level 5 dB 2 Push ENT MW key Full scale 4 SF 1 Set the SSG as Frequency Displayed on the function display Level 3 dB 2 Push ENT MW key S METER CURVE 83 MHz Prep...

Page 45: ...vel 5 WS0 1 Set the SSG as Frequency Displayed on the function display Deviation 52 5 kHz WFM Level 2 dB 2 Push ENT MW key 51 MHz band FM S3 level 6 FS3 1 Set the SSG as Frequency Displayed on the fun...

Page 46: ...yed on the function display Deviation 52 5 kHz WFM Level 2 dB 2 Push ENT MW key 650 MHz band FM S3 level 14 FS3 1 Set the SSG as Frequency Displayed on the function display Deviation 3 5 kHz FM Level...

Page 47: ...3 L11 6200005601 S COI ELJRE 3N3ZFA B 18 1 35 L12 6200005631 S COI ELJRE 5N6ZFA B 17 6 33 1 L13 6200010130 S COI LQW18AN6N8C00D B 9 1 30 4 L15 6200010130 S COI LQW18AN6N8C00D B 9 9 25 8 L16 6200009280...

Page 48: ...31 7 C52 4030017420 S CER ECJ0EC1H470J T 21 5 45 C61 4030017460 S CER ECJ0EB1E102K B 16 6 33 4 C68 4030017460 S CER ECJ0EB1E102K B 20 7 36 2 C69 4030017460 S CER ECJ0EB1E102K B 3 9 33 2 C70 4030016930...

Page 49: ...0 4 11 8 Q1 1530003260 S TRA 2SC5006 T1 T 11 3 6 Q2 1530003260 S TRA 2SC5006 T1 T 8 3 8 1 Q3 1530003260 S TRA 2SC5006 T1 T 8 3 12 6 Q4 1530003260 S TRA 2SC5006 T1 T 8 3 17 1 Q6 1560000531 S FET 2SK880...

Page 50: ...B1A104K B 13 2 13 8 C59 4030016790 S CER ECJ0EB1C103K B 10 6 3 C60 4030016790 S CER ECJ0EB1C103K B 8 8 8 7 C61 4030016930 S CER ECJ0EB1A104K B 11 3 15 C62 4030016930 S CER ECJ0EB1A104K B 13 6 9 9 C63...

Page 51: ...S RES ERJ2GEJ 104 X 100K B 46 3 80 1 R53 7410001130 S ARR EXB28V102JX B 23 2 58 4 R57 7030010040 S RES ERJ2GEJ JPW B 2 2 56 4 R61 7030007320 S RES ERJ2GEJ 225 X 2 2M B 46 3 75 9 R66 7030005090 S RES...

Page 52: ...CER GRM21BB31A106KE18 B 41 9 43 6 C94 4030019500 S CER GRM21BB31A106KE18 B 41 9 41 8 C95 4030016970 S CER ECJ0EB1C223K B 26 41 8 C98 4030016930 S CER ECJ0EB1A104K B 12 3 54 2 C99 4030016930 S CER ECJ0...

Page 53: ...BC 1 MP35 8930076700 INSULATION SHEET MI 1 MP38 8930077330 3076 MAGNETIC SHIELD 1 LOGIC UNIT ACCESSORIES MAIN UNIT REF ORDER DESCRIPTION QTY NO NO J5 6510021901 BM02B ASRS TF LF SN 1 J6 6510025170 IM...

Page 54: ...24 C 2 MP16 C MP18 C MP25 C MP4 C MP19 C MP27 C MP3 C MP22 C MP12 C MP7 C MP21 C MP17 C MP2 C MP11 C MAIN UNIT MP28 C MP13 C 2nd VCO UNIT 1st VCO UNIT MP6 C MP1 L LOGIC UNIT MP28 C MP4 L DS13 L MP2 L...

Page 55: ...9 C50 C52 C54 6 5 C 5 5 C C57 C69 C72 C73 C74 C75 C76 C77 C78 D1 D2 D3 D4 D5 D7 D8 D9 D10 IC2 L1 L2 L3 L4 L5 L6 L7 L8 L9 L10 L12 L13 L15 L16 L17 L18 L19 L20 L21 Q1 Q2 Q3 Q4 R1 R2 R3 R4 R5 R6 R7 R8 R9...

Page 56: ...R195 R196 R203 R204 R210 R215 R221 R222 R223 R225 R226 R227 R228 R229 R230 R232 R233 R234 R236 R237 R239 R240 R242 H0 H5 H10 H15 H20 H25 H30 H35 H40 H45 V0 V5 V10 V15 V20 V25 V30 V35 V40 V45 C1 C2 C3...

Page 57: ...Q20 XP6501 Q23 2SJ144 D22 MA2S111 Q18 2SC4738 MONO AM_DET REG Q2 2SA1588 CLOCK Q11 2SB1201 VCC REG REG Q5 2SC4617 ENC Q24 2SC4738 CPU3V IC14 24LC512T TEMP VP 10V CPU3V AF R3V 3V Initial REG Matrix 3V...

Page 58: ...DN MMZ1005Y102CT EP15 1k R213 R70 10K D9 D7 D10 D12 D13 100K R41 1k R50 10k R31 10K R231 10K R232 10K R233 10K R234 10K R235 47K R236 47K R237 47K R239 47K R241 100K R242 47K R243 47K R244 10K R246 1...

Page 59: ...R216 0 001 C184 0 47 C185 82K R201 47K R203 UNR9213J Q26 LMV321IDCK IC19 1 2 3 4 5 10K R218 CD4066BPWR IC20 1 I O1 2 O I1 3 O I2 4 I O2 5 CONT2 6 CONT3 7 VSS 8 I O3 9 O I3 10 O I4 11 I O4 12 CONT4 13...

Page 60: ...6 6 8K R26 27N L16 1k R54 0 1 C417 MA2S077 D51 2 2K R222 HVD328C D31 HVD328C D35 220P C106 100K R61 100K R68 2P C119 220P C122 27N L20 LQW18AN82NG00D L53 MA2S077 D52 0 1 C418 2 2K R223 33P C133 47P C1...

Page 61: ...7K R141 4 7K R148 0 R149 3 3U L41 2 7U L51 22P C414 0 R167 4 7K R172 100 R181 HSJ1456 010320 J4 04 730A3 02BKA J5 M PZ1608S221A EP10 0 0047 C415 0 1 C416 M PZ1608S221A EP9 0 01 C183 MMZ1608D121B EP6 M...

Page 62: ...16 0 1U L17 0 001 C29 0 001 C26 4 7K R59 8 2K R16 0 1 C69 0 1U L13 220 R17 0 1 C30 10 C70 0 001 C71 0 47U L19 18P C27 18P C28 C2012C L6 C2012C L9 100 R1 100 R6 100 R11 220 R18 C2012C L12 LQW18AN68NG00...

Page 63: ...454 7619 Glenwood Centre 150 6165 Highway 17 Delta B C V4K 5B8 Canada Phone 1 604 952 4266 Fax 1 604 952 0090 URL http www icomcanada com E mail info icomcanada com Unit 1 103 Garden Road Clayton VIC...

Page 64: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14510XZ C1 2008 Icom Inc...