Yaesu FT-51R Technical Supplement Download Page 50

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1 44-MOTHER

REF.

DESCR I PT I ON

VALUE

TOL.

MF8R

I s

DES I G

YAESU P/N

VERS.

LOT. LAY ADR

---- ----

---------- -------- --

--------------- -

---

- -------- ----

- - - - -

D 2 0 1 5 D I ODE

1SS302 TE85R

82070088

D 20 1 6 D I ODE

DA221 TL

82070 1 78

D 2 0 1 7 D I ODE

HVU350-TR

82070380

D 20 1 8 D I ODE

HVU350-TR

82070380

D 20 1 9 D I ODE

HVU202A-TR

82070332

D 2021 D I ODE

MA l l 1- (TX)

82070338

D 2022 D I ODE

MA l l 1- (TX)

82070338

J 200 1 CONNECTOR

9230B- 1 -06Z07 1 -T

P009 1 04 1

J 2002 CONNECTOR

22PS-JED

P009 1 007

L 200 1 M. RFC

0. 082uH

LER01 5T082M

L 1 690 1 97

L 2002 CO I L

6. 5T2. 0D0. 5UEW R

L0021 803A

L 2003 CO I L

6. 5T2. 0D0. 5UEW R

L002 1 803A

L 2004 M. RFC

220uH

FLC32T-221J

L 1 69023 1

L 2005 M. RFC

l uH

LER0 1 5T 1 ROM

L 1 6 90 1 1 9

L 2006 CO I L

5. 5T2. 0D0. 5UEW R

L0020736A

L 2007 M. RFC

0. 082uH

HK21 25 82NK-T

L 1 690388

L 2009 M. RFC

0. 0 1 2uH

HK2 1 25 1 2NK-T

L 1 690378

L 20 1 0 M. RFC

0. 0 1 2uH

HK2 1 25 1 2NK-T

L 1 690378

L 20 1 1 M. RFC

0. 0 1 2uH

HK2 1 25 1 2NK-T

L 1 690378

L 20 1 2 M. RFC

0. 0 1 5 ul-I

HK2 1 25 1 5NK-T

L 1 690379

L 20 1 3 M. RFC

0. 22ull

LER01 5TR22M

L 1 6 90 1 1 1

L 20 1 4 M. RFC

0. 33uH

LK2 1 25 R33K-T

L 1 6903 1 3

L 2 0 1 5 CO I L

KE-07528

L0022307

L 20 1 6 CO I L

KE-07467

L0022306

L 20 1 7 M. RFC

0. 47uH

LER0 1 5TR47M

L l 690 1 1 5

L 20 1 8 CO I L

KE-07467

L0022306

L 20 1 9 M. RFC

l . OuH

LK2 125 l ROK -T

L 1 6903 1 9

Q 200 1 I C

S-AV28

8 1 09 1 662

A-2

Q 2002 TRANS I STOR

2SC4537 TR

83345377

C-3

Q 2003 TRANS I STOR

DTC 1 24EE TL

83070 1 0 9

B-3

Q 2004 TRANS I STOR

2SA 1 586Y TE85R

G31 1 5867Y

D-2

Q 2005 TRANS I STOR

2SB 1 132 T l O O Q

G32 1 1 327Q

A-2

Q 2006 TRANS I STOR

DTA 1 24EE TL

G3070 1 1 6

C-2

Q 2007 I C

FQ7925

G 1 09 1 7 1 0

C-2

Q 2008 TRANS I STOR

2SC46 1 7 TL R

G3346 1 78R

D-2

Q 20 1 0 TRANS I STOR

XP 1 5 0 1 - (TX)

83070 143

B-2

Q 20 1 1 TRANS I STOR

XP140 1 - (TX)

83070142

D-3

Q 20 1 2 TRANS I STOR

UMB l ON TN

83070 1 0 8

C-2

Q 20 1 3 TRANS I STOR

DTC 1 24EE TL

83070 1 0 9

D-2

Q 2014 FET

2SK8808R TE85R

838088078

C-2

Q 20 1 5 TRANS I STOR

DTA 1 23EE TL

83070 1 44

A-3

Q 20 1 6 TRANS I STOR

2SC4537 TR

83345377

D-2

Q 20 1 7 TRANS I STOR

2SC4227-T2B R32

833422778

D-2

Q 2 0 1 8 TRANS I STOR

2SC4227-T2B R32

833422778

D-2

Q 20 1 9 I C

TC4W66FU T E 1 2L

G 1 09 1 676

D-3

Q 2020 TRANS I STOR

UMB lON TN

83070 1 0 8

C-3

48-8

FT-51R Technical Suoolement

Summary of Contents for FT-51R

Page 1: ...O LTD C P O Box 1500 Tokyo Japan YAESU U S A 17210 Edwards Rd Cerritos California 90703 U S A YAESU EUROPE B V Snipweg 3 1118DN Schiphol The Netherlands YAESU UK LTD Unit 2 Maple Grove Business Centre...

Page 2: ...gram Interconnection Diagram Board Unit Schematics Layout Parts 1 1 1 2 1 3 2 1 2 5 2 7 3 1 3 7 3 8 CNTL Unit 4A 144 Mother Unit 4B 430 Mother Unit 4C 144 VCO Unit 4D 430 VCO Unit 4E CONTACT Unit 4F K...

Page 3: ...majority of components installed on that side leaded or chip only In most cases one side has only chip compo FT 51R Technical Suoolement nents and the other has either a mixture of both chip and lead...

Page 4: ...5 MHz programmable F3 F2 4 0 12 V DC VHF 200 A 16 9 mA 52mA 1 6A UHF 200 A 16 3 mA 34 mA dual rx 49 mA 85 mA dual rx 1 9A YHA 55 rubber flexible 57 x 122 x 26 5 mm w FNB 31 330 grams with FNB 31 anten...

Page 5: ...5 1 16S 1 0 0 5 0 35 FT 51R Technical Suoolement Chip Component Information Unit mm Type L w H 2125 2 0 1 25 0 35 0 50 1608 1 6 0 8 0 65 0 95 1005 1 0 0 5 0 45 0 55 Unit mm Type L w H p 2 0 1 25 1 2 A...

Page 6: ...lot of chip replacements Otherwise it is usually possible to remove and replace chip components with only a tapered temperature controlled sol dering iron a set of tweezers and braided copper solder w...

Page 7: ...be installed Avoid using too much solder which may cause bridging shorting to other Parts Hold the chip with tweezers in the desired position and apply the soldering iron with a motion line that is in...

Page 8: ...1 6 FT 51R Technical Suoolement...

Page 9: ...screws Figure 2 Be careful not to mix removed screws some appear similar but have different types of thread ing pitch Figure 2 FT 51R Technical Suoolement D Carefully separate the front and rear trans...

Page 10: ...mounted components are located around the pry points Figure 6 2 2 144 Mother Unit Removal D Referring to Figure 7 remove the five 5 screws from the 144 Mother Unit then carefully lift the copper shiel...

Page 11: ...attery does not normally need to be replaced for several years However to replace the cell order Yaesu P N Q9000627 FT 51R Technical Suoolement Lithium Backup Battery BT1001 P NQ9000627 D With the CNT...

Page 12: ...2 4 FT 51R Technical Suoolement...

Page 13: ...PAN HEAD REWMl 7X3 5B 2 U07240307 PANHEADSCREWM2X4B 3 2 U9900050 TAPI ITESCREWM2X16 3 GUIDE 4 U9900051 TAPTITESCREWM2X4B 3 4 U9900052 TAPTITESCREWM2X12NI 3 3 U9900053 PAN HEADSCREWM2 x 2 5NI 1 U990005...

Page 14: ......

Page 15: ...fa miliarity with its correct use is necessary for com plete realignment Correction of problems caused by misalignment resulting from use of improper test equipment is not covered under the warranty p...

Page 16: ...t Points Power Connection PLL Transmitter Set up the test equipment as shown for transceiver alignment With the battery contact assembly re moved apply 11 VDC power to the transceiver using miniature...

Page 17: ...D Remove the 144 Mother Unit to expose the 430 Mother Unit Plug the CONTACT Unit into the 430 Mother Unit Connect the RF signal generator to the antenna jack and 8 Q dummy load and SINAD meter to the...

Page 18: ...rotate the DIAL for the next setting Tx Deviation VHF For A3 B3 C3 Versions only A ififif IC I LILI LILI Tl llU JJ D While tuned to 160 000 MHz adjust the AF gener ator level for 25 mVrms 1 kHz to th...

Page 19: ...LI LIlf n I fLf J f c J l I 0 While tuned to 460 000 MHz adjust the AF gener ator for 25 mVrms output 1 kHz to the MIC jack 0 Hold M 11 PEicond then key the transmitter and press 00 to obtain 4 2 4 5...

Page 20: ...main after performing the soft reset a hard CPU reset may be performed as follows D Turn the transceiver off and disconnect all ca bles D Separate the front and rear transceiver body halves as shown i...

Page 21: ...mixed with the 1st IF signal within Q2031 The 2nd IF is passed through ceramic filter CF2001 to strip away unwanted mixer FT 51R Technical Suoolement products and is then applied to the limiter amp i...

Page 22: ...ltered by the noise amp section of Q3037 and the network between pins 9 and 10 and then rectified by D3014 The resulting DC squelch control voltage is passed to pin 98 of main CPU Q1002 While no carri...

Page 23: ...r Unit via the Contact Unit where Q2020 UMBlO turns off the receiver and Q2023 OTC144EE and Q2015 DTA123EE turn on the transmitter This tx signal is delivered to the 144 Mother Unit where it causes th...

Page 24: ...Q2002 before application to the 1st mixer as described previously For VHF transmission VCO Q4001 oscillates be tween 140 and 150 MHz according to the model ver sion and programmed transmit frequency...

Page 25: ...the receiver However the dividing data from the micro processor is such that the VCO frequency is at the actual transmit frequency rather than offset for IFs FT 51R Technical Suoolement as in the rece...

Page 26: ......

Page 27: ...Lt C O N T A C T U N I T I F 3 4 8 3 1 0 1 I _ _ _ _ _ _ _ _ _ _ _ _ _ J 1 SI G TEMP v 020 1 1 TH2001 I OR TEMP DET I 0AN222 1 57 203 I CFWM4SSF 455KHz I v L FT 51R Technical Suoolement Block Diagram...

Page 28: ......

Page 29: ...I 1 4 4 M O T H E R U N I T I N 0 2 F 3 4 8 0 1 0 1 I U2001 J2001 I U U ANT GND V V ANT GNO 1 44 ANT 1 4 4 V C O U N I T N0 4 F3484 1 0 1 _ a w a J a I u a J z en a_ f 0 N r w u co z 0 0 0 N 0 0 z CD...

Page 30: ......

Page 31: ...LCD Segmentation Circuit Diagram LCD Backplane Circuit Diagram FT 51R T echnical Suoolement r I CNTL Unit 3 1V 37V I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I...

Page 32: ......

Page 33: ...HN2D01FU A1 01006 NC NC Out Vdd Vss 2SA1774 FR 01028 Cathode 1 Cathode 2 rt1 Anode 1 Anode 2 CL 155 UR G 01002 1003 NC NC Out Vdd Vss 2SB1132 BAO 01013 1021 Anode 1 Anode 2 1SS319 A4 0 1015 NC NC GND...

Page 34: ......

Page 35: ...F 0 00luF 0 OO luF O OO luF 0 luF 0 00luF O OOluF O OOluF 0 luF 0 00luF O OO luF O OOluF O OOluF O OOluF 0 OOluF 0 luF O OOluF O OOluF O OOluF O OOluF O OOluF 0 0luF O OluF O OluF 0 0 luF 47pF Z7pF 39...

Page 36: ...luF 25V B TMK1058102K F K22148820 C 1063 CHI P CAP 0 22uF 16V B GRM408224M16PT K22120806 C 1064 CHI P CAP 0 018uF 25V B GRM398183K25PT K22144806 C 1065 TANTALUM CHI P CAP 6 8uF 4V TEMSVA20G685M 8R K78...

Page 37: ...uF 25V B GRM408104M25PT K221408 1 1 C 1 1 13 CHI P CAP 0 luF 25V B GRM40B104M25PT K2214081 1 C 1 1 14 TANTALUM CHI P CAP 4 7uF 1 6V TEMSVA1C475M 8R K78 120031 C 1 1 15 CHI P CAP 0 OOluF 50V B GRM39B10...

Page 38: ...K1058102K F K22148820 C 1 156 TANTALUM CHI P CAP 47uF 1 6V TEMSVD21C476M12R K78 120027 C 1 157 CHI P CAP 0 00 luF 25V B TMK1058102K F K22148820 C 1 158 CHI P CAP lOOpF 25V CH TMK105CH101J F K22148238...

Page 39: ...1091982 DST EXP HD6473877H R0027 G1091985 X24C16S8 2 7 T G1091831 AK2343 G109 1908 NJU4066BV TE1 G1091873 MB87078PF G BND ER G1091773 TC35305F 1 1 TP2 G1091 177 UPA607T Tl G4070008 DTC143ZE TL G3070 1...

Page 40: ...10R 223 D 1 16W 5 RMC1 16S 334JTH 1 16W 5 RMC1 16S 154JTH l 16W 0 5 RR05 10P 392 D 1 16W 5 RMC1 16S 154JTH 1 16W 0 5 RR05 10R 223 D 1 16W 0 5 RR05 10R 223 D 1 16W 5 RMC1 16S 105JTH 1 16W 0 5 RR05 10P...

Page 41: ...R0510P 102 D J24189 1 1 9 R 1083 CHI P RES lK l 16W 0 5 RR0510P 102 D J24189 1 1 9 R 1084 C HI P RES 470 1 16W 5 RMCl 16 471JATP J241 85471 R 1085 CH I P RES 470 1 16W 5 RMCl 16 471JATP J24185471 R 10...

Page 42: ...1 1 24 CHI P RES lOOK 1 16W 0 5 RR05 10R 104 D J24189167 R 1 1 25 CHI P RES 150K 1 16W 5 RMC1 16S 1 54JTH J24189051 R 1 126 CHI P RES lOK l 16W 0 5 RR05 10P 103 D J24189 143 R 1 127 CHI P RES lOOK 1...

Page 43: ...RX x ulu RX x T x J LAMP ON x EL T ua NOTE 0201 6 DA221 R20BO 100 O SH RES1 3TOR VALUES ARE l N 4 1 l SW CAPACITOR VALUES ARE IN 11F sov l CAPAC I TOR VALUES ARE TANTALUM INOlJCTOR VALUES ARE IN H UNL...

Page 44: ......

Page 45: ...34 Emitter Common Collector 1 Collector 2 XP1501 5R 02010 2027 Collector Base Emitter DTA124EE 15 02006 Collector Base Emitter DTC144EE 26 02023 Cathode 1 2 QJ Anode 1 Anode 2 DAN222 N 02009 2010 2011...

Page 46: ......

Page 47: ...P O OOluF 25V B TMK105B102K F K22148820 C 2020 CH I P CAP O OOluF 25V B TMK105B102K F K22148820 C 2021 TANTALUM CH I P CAP lOuF 6 3V TEMSVAOJ106M 8R K78080027 C 2022 CH I P CAP 56pF 25V CH TMK105CH560...

Page 48: ...luF 25V B GRM40B104M25PT K2214081 1 C 2072 CHI P CAP 330pF 25V B TMK1058331K F K22148814 C 2073 CHI P CAP O O luF 50V B GRM408103M50PT K2217081 7 C 2074 CHI P CAP 0 047uF 16V F EMK105F473Z F K221 290...

Page 49: ...1 1 9 CH I P CAP l 8pF 25V CH TMK105CH180J F K22148220 C 2121 CH I P CAP 0 OO l uF 25V 8 TMK1058102K F K22148820 C 2122 CH I P CAP 0 00luF 25V 8 TMK1058102K F K22148820 C 2123 CH I P CAP 0 OO luF 25V...

Page 50: ...15TR22M L1690 1 1 1 L 2014 M RFC 0 33uH LK2125 R33K T L1690313 L 2015 COI L KE 07528 L0022307 L 2016 COI L KE 07467 L0022306 L 2017 M RFC 0 47uH LER0 15TR47M Ll690 1 1 5 L 20 18 COI L KE 07467 L002230...

Page 51: ...RR0510P 682 D J24189139 R 2010 CHI P RES 390 1 16W 0 5 RR05 10P 391 D J24189 109 R 201 1 CHI P RES 10 1 16W 5 RMC1 16S lOOJTH J2418900 1 R 20 12 CHI P RES 680 1 16W 0 5 RR0510P 681 D J24189 1 15 R 201...

Page 52: ...333 D 1 16W 0 5 RR0510R 333 D 1 16W 0 5 RR0510P 103 D 1 16W 0 5 RR05 10P 103 D 1 16W 0 5 RR05 10R 104 D 1 16W 0 5 RR05 10P 272 D 1 16W 0 5 RR05 10R 104 D 1 16W 0 5 RR05 10P 472 D 1 16W 0 5 RR05 10R 1...

Page 53: ...333 D J24189155 R 2089 CHI P RES 3 3K 1 16W 0 5 RR0510P 332 D J24189131 R 2090 CHIP RES 4 7K 1 16W 0 5 RR0510P 472 D J24189 135 R 209 1 CHI P RES 3 3K 1 16W 0 5 RR0510P 332 D J24189131 R 2092 CHIP RES...

Page 54: ......

Page 55: ...p D J0 6 SP 25V CH 1SS205 P 25V CH OA221 ON R3091 47 i o i a I g I g I I I r ID l o CF3001 CFWW 55F C3041 ISP 2SV CH APC TX 1 8vll Vv r 0 0 1 1da C3129 9P 25V CH I 2 g g POWER L l L 2 L J E L Hi M w I...

Page 56: ......

Page 57: ...te Source Drain 2SK880GR XG 03015 Emitter Common Collector 1 Collector 2 XP1401 5V 0301 1 Collector Basa Emitter 2SA1586Y SY 03005 Cathode 1 Anode 2 QJ Anode 1 Cathode 2 1SS321 F9 03001 3002 OA221 K 0...

Page 58: ......

Page 59: ...I P CAP 0 33uF 35V TESVA1V334Ml 8R K78160028 C 3020 CH I P CAP 27pF 25V CH TMK105CH270J F K22148224 C 3021 CH I P CAP 8pF 25V CH TMK105CH080D F K22148212 C 3022 CH I P CAP 8pF 25V CH TMK105CH080D F K2...

Page 60: ...CHI P CAP 2pF 25V CK TMK105CK020C F K22148206 C 3070 CHI P CAP 0 00luF 25V B TMK1058102K F K22148820 C 3071 CHI P CAP lOpF 25V CH TMK105CH100D F K22148214 C 3072 CHI P CAP 4pF 25V CH TMK105CH040C F K2...

Page 61: ...P CAP 5pF 25V CH TMK105CH050C F K22148209 C 3128 CHI P CAP 4pF 25V CH TMK105CH040C F K22148208 C 3129 CHI P CAP 9pF 25V CH TMK105CH090D F K22148213 C 3130 CHI P CAP 6pF 25V CH TMK105CH060D F K22148210...

Page 62: ...C F I LTER CFWM455F H3900395 D 300 1 D I ODE 1SS321 TE85R 82070076 D 3002 D I ODE 1SS321 TE85R 82070076 D 3003 D I ODE RLS135 TE 1 1 82070128 D 3004 DI ODE RD3 6MB1 Tl8 82070392 D 3005 D I ODE MAl l...

Page 63: ...FC 0 22uH LK2125 R22K T L16903 1 1 L 3025 M RFC 0 56uH LK2125 R56K T L1690316 L 3026 COI L 1 5Tl 8D0 4UEW R L0022283 L 3027 COI L l 5Tl 8D0 4UEW R L0022283 L 3028 CO I L 1 5Tl 8D0 4UEW R L0022283 L 30...

Page 64: ...3005 CHI P RES 4 7K 1 16W 0 5 RR0510P 472 0 J24189135 R 3006 CHI P RES 22K 1 16W 0 5 RR0510R 223 0 J24189151 R 3007 CHIP RES lOK 1 16W 0 5 RR0510P 103 0 J24189 143 R 3008 CH I P RES 4 7K 1 16W 0 5 RR0...

Page 65: ...D 1 16W 0 5 RR0510P 103 D 1 16W 5 RMC1 16S 470JTH 1 16W 0 5 RR05 10P 682 D 1 16W 0 5 RR0510P 103 D 1 16W 0 5 RR0510P 103 D 1 16W 0 5 RR0510P 471 D 1 16W 0 5 RR0510R 333 D 1 16W 0 5 RR05 10P 103 D 1 16...

Page 66: ...1 1 9 R 3096 CH I P RES 33K 1 16W 0 5 RR05 10R 333 D J24189155 R 3097 CH IP RES 3 3K 1 16W 0 5 RR05 10P 332 D J24189131 R 3098 CHIP RES 47K 1 16W 0 5 RR0510R 473 D J24189159 R 3099 CHI P RES 27 1 16W...

Page 67: ...1 I ug 0 J 5 _ 11irii 1 NOTE RESISTOR VALUES ARE I N G 1 1 6W CAPAC I TOR VALUES ARE IN l F SOV I NDUCTOR VALUES ARE IN H UNLESS OTHERW ISE NOTED P0091 030 r 11 l l l h L Parts Layout To 144 Mother Un...

Page 68: ......

Page 69: ...813 C 4016 CH I P CAP 3pF 25V CJ TMK105CJ030C F K22148207 C 4017 CH I P CAP 0 047uF 16V F EMK105F473Z F K22129002 C 4018 CHI P CAP 0 047uF 16V F EMK105F473Z F K22129002 C 4019 CHI P CAP 470pF 25V B TM...

Page 70: ...WV TOL MFGR S DES I G YAESU P N VERS LOT LAY ADR lK 3 3K 39K 39K lOK lOK 220 lOOK l 16W 0 5 RR0510P 102 D 1 16W 0 5 RR0510P 332 D 1 16W 0 5 RR0510R 393 D 1 16W 0 5 RR0510R 393 D 1 16W 0 5 RR0510P 103...

Page 71: ...o u a a o 0 0 0 O n I uo 0 0 J i r r5 J NOTEt RES I STOR VALUES ARE IN Q f 16W JSOOI L o o Parts Layout To 430 Mother Unit See Page 4C 1 obverse view of component side Collector Base Emitter 2SC5006 2...

Page 72: ......

Page 73: ...5015 CH I P CAP 39pF 25V CH TMK105CH390J F K22148228 C 5016 CH I P CAP 2pF 25V CK TMK105CK020C F K22148206 C 5017 CH I P CAP 0 047uF 16V F EMK105F473Z F K22129002 C 5018 CH I P CAP 0 047uF 16V F EMK10...

Page 74: ...VERS LOT LAY ADR 100 22K 47 lK 2 2K 22K 22K 4 7K lOK 100 lOOK 1 16W 0 5 RR05 10P 101 D 1 16W 0 5 RR05 10R 223 D 1 16W 5 RMC 1 16S 470JTH 1 16W 0 5 RR0510P 102 D 1 16W 0 5 RR0510P 222 D 1 16W 0 5 RR05...

Page 75: ...I I I I i i r _ _ _ _ _ _ _ _ I iJ 00 ml Parts Layout al t _ _ 0 _ Uj J6001 T Cs 4 p t it J2D02 0 z 0 1il i obverse view of component side Flat Ribbon Cable P N F3486000 FT 51R Technical Suoolement J6...

Page 76: ......

Page 77: ...R Q 600 1 I C R 6001 CHI P RES lOK l 16W 5 R 6002 CHI P RES 2 2K l 16W 5 TP6001 CHECK TERM I NAL TP6002 CHECK TERM INAL MFGR S DES I G YAESU P N VERS LOT LAY ADR CA1230001 F348310 1 F3486000 GRM39B102...

Page 78: ......

Page 79: ...C 7005 CHI P CAP J 7001 CONNECTOR S 7001 TACT SWI TCH S 7002 TACT SWI TCH S 7003 TACT SWI TCH S 7004 TACT SWI TCH FT 51R Technical Suoolement O OluF 0 0 luF O O luF O O luF 25V B 25V B 25V B 25V B obv...

Page 80: ......

Page 81: ..._ __ __ _ _ _ _ _ __ _ __ _ _ __ ___ __ I obverse view of microphone side obverse view of PCB Parts List REF DESCR I PT I ON VALUE WV TOL MFGR S DES I G YAESU P N VERS LOT LAY ADR M I C UN I T PCB W i...

Page 82: ......

Page 83: ...1994 Yaesu Musen Co Ltd All right reserved Printed in Japan YAE SU Perf ormance without compromise sM E05119000 411w OY No portion of this manual may be reproduced without the permission of Yaesu Mus...

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