Yaesu FT-8900R Page 53 Technical Supplement Download

Page: 53 / 58

PANEL-SUB Unit

Circuit Diagram

3.67 V

3.64 V

3.67 V

8.97 V

3.67 V

8.74 V

Summary of Contents for FT-8900R

Page 1: ...manual to be correct Vertex Standard assumes no liability for damage that may occur as a result of typographical or other errors that may be present Your cooperation in pointing out any inconsistencie...

Page 2: ...rs Weight Approx 2 2 lb 1 kg TRANSMITTER Output Power 50 20 10 5 W 29 50 144 MHz 35 20 10 5 W 430 MHz Modulation Type Variable Reactance Maximum Deviation 5 kHz 50 144 430 MHz 2 5 kHz 29 MHz Spurious...

Page 3: ...8 WIRE ASSY RA040480A SUB PANEL ASSY W COIL SPRING RELEASE KNOB T9101509 CT CABLE S5000206 FAN GUARD P1090984 CONNECTOR RA0446200 x2 pcs LEAF SPRING RA0396100 REAR PANEL RA02668AA CHASSIS RA0441300 PA...

Page 4: ...4 Connection Diagram...

Page 5: ...ier Q1012 2SC5374 The amplified 28 MHz signal is passed through a band pass filter network and band switch diode D1028 HSC277 to the first mixer Q1015 3SK296ZQ Mean while the 28 MHz local signal from...

Page 6: ...s amplified by Q1050 TDA7233D then applied to the in ternal loudspeaker When the external speaker is select ed the audio signal is amplified by Q1045 LA4425A then it passes through the EXT SP jack to...

Page 7: ...then passed through antenna switching relay RL1003 G5A 237P and another low pass filter network to the ANT jack 28 MHz Signal The adjusted speech signal from Q1054 is passed through transistor switch...

Page 8: ...e VHF TX switch section of Q1076 is activated it controls the antenna switching relay RL1001 G5A 237P modulator switching diode D1100 DAN222 modulator switching IC Q1051 BU4066BCFV diode switches D107...

Page 9: ...the VCOs Right band A portion of the output from the UHF VCO B Q1106 2SC5006 is passed through buffer amplifier Q1107 2SC5006 and diode switch D1079 HSC277 to the pro grammable divider section of the...

Page 10: ...10 Note...

Page 11: ...result ing from use of improper test equipment is not covered under the warranty policy While most steps do not re quire all of the equipment listed the interactions of some adjustments may require t...

Page 12: ...ransmitter and adjust the Left DIAL knob as needed so that the counter frequency reading is 435 050 MHz 100 Hz RF Front end Tuning A 1 TUN 1 Connect the DC voltmeter to R1168 on the MAIN Unit then inj...

Page 13: ...EV xxH 4 Inject a 1 kHz audio tone at a level of 80 mV from the Audio Generator 5 Press the PTT switch to activate the transmitter and adjust the Left DIAL knob as needed so that the deviation meter r...

Page 14: ...en adjust the Left DIAL knob as needed so that the S meter deflects 1 dot 6 Increase the RF Signal Generator output level to 23 dB 7 Press the Left band V M key then adjust the Left DIAL knob as neede...

Page 15: ...f 5 dB from the RF Signal Generator 41 Press the Left band LOW key then adjust the Right DIAL knob as needed so that the S meter deflects 1 dot 42 Increase the RF Signal Generator output level to 23 d...

Page 16: ...16 Note...

Page 17: ...dB 27 1 dB 30 6 dB 31 8 dB 32 4 dB 30 0 dB 1 64 V 2 42 V 4 70 V 4 87 V 4 87 V 0 79 V 0 36 V 0 46 V 0 70 V 30 8 dB 3 97 V 33 2 dB 35 1 dB 4 94 V 0 15 V 0 85 V 2 26 V 2 44 V 2 44 V 2 54 V 1 95 V 0 78 V...

Page 18: ...18 MAIN Unit...

Page 19: ...01 ZQ Q1057 2SC4400 RT4 Q1017 2SC4617 BR Q1022 1036 1037 1062 1092 1147 2SC5006 24 Q1005 1014 1108 1112 1113 1146 2SC5277 D2 Q1013 2SC5374 NA Q1012 1111 1114 1115 1116 1117 1123 1124 2SD1664 DA Q1038...

Page 20: ...19 1026 1027 2SC4617 BR Q1021 1023 1055 1065 1066 1078 1097 1099 1135 1142 1143 1145 2SC5006 24 Q1006 1007 2SC5374 NA Q1011 1109 1110 1118 1119 1121 1122 RT1N4441U N3 Q1028 1032 1040 1041 1044 1056 10...

Page 21: ...T K22178212 1 A D4 C 1031 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 A F4 C 1032 CHIP CAP 56pF 50V CH GRM36CH560J50PT K22178230 1 A F4 C 1033 CHIP CAP 0 5pF 50V CK GRM36CK0R5B50PT K22178285 1 A...

Page 22: ...6B102K50PT K22178809 1 B a5 C 1121 CHIP CAP 7pF 50V CH GRM36CH070B50PT K22178294 1 B a5 C 1122 CHIP CAP 68pF 50V CH GRM36CH680J50PT K22178232 1 B a3 C 1123 CHIP CAP 100pF 50V CH GRM36CH101J50PT K22178...

Page 23: ...RM36B102K50PT K22178809 1 B f4 C 1202 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 B f4 C 1203 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 B f4 C 1204 CHIP CAP 1uF 10V F GRM39F105Z10PT K221...

Page 24: ...3K16PT K22128804 1 A A4 C 1279 CHIP CAP 0 0047uF 25V B GRM36B472K25PT K22148830 1 A A4 C 1280 CHIP CAP 0 022uF 16V B GRM36B223K16PT K22128806 1 A A4 C 1281 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178...

Page 25: ...36B104K10PT K22108802 1 B f1 C 1363 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 B f3 C 1364 CHIP TA CAP 10uF 10V TEMSVA1A106M 8R K78100028 1 B f3 C 1365 CHIP CAP 0 1uF 10V B GRM36B104K10PT K2210...

Page 26: ...RM39B104K16PT K22124805 1 B d5 C 1442 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 B d5 C 1444 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 B d4 C 1445 CHIP CAP 0 001uF 50V B GRM36B102K50PT...

Page 27: ...1 A D3 C 1529 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 A D3 C 1530 FILM CAP 12pF 500V UC232H0120J T K33279020 1 A D2 C 1532 CHIP CAP 100pF 200V CH GRM40CH101J200PT K22230228 1 A E2 C 1533 CHI...

Page 28: ...F 200V CH GRM40CH121J200PT K22230229 1 B c3 C 1618 CHIP CAP 56pF 200V CH GRM40CH560J200PT K22230225 1 B b3 C 1619 CHIP CAP 56pF 200V CH GRM40CH560J200PT K22230225 1 B b3 C 1620 CHIP CAP 0 001uF 50V B...

Page 29: ...102K50PT K22178809 1 B d3 C 1709 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 B c3 C 1710 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 B d3 C 1711 CHIP CAP 0 001uF 50V B GRM36B102K50PT K2217...

Page 30: ...28 CHIP CAP 43pF 50V CH UMK105CH430JW F K22178273 1 C 1829 CHIP CAP 4pF 50V CH GRM39CH040C50PT K22174205 1 C 1830 CHIP CAP 1pF 50V CK GRM39CK010B50PT K22174267 1 C 1838 CHIP CAP 3pF 50V CJ GRM36CJ030B...

Page 31: ...DIODE HSC277TRF G2070584 1 B d4 D 1079 DIODE HSC277TRF G2070584 1 A C4 D 1080 DIODE HSC277TRF G2070584 1 A C4 D 1081 DIODE MA2S111 TX G2070614 1 B e3 D 1082 DIODE HVC358B TAPE G2070590 1 A D5 D 1083 D...

Page 32: ...2365 1 B c4 L 1009 COIL E2 0 28 1 0 4T R L0022365 1 B c4 L 1010 M RFC 0 015uH TFL0816 15 L1690493 1 B c4 L 1011 M RFC 0 1uH TFL0816 100N L1690981 1 A F4 L 1012 M RFC 0 01uH 2 C1608CA 10NG L1691032 1 A...

Page 33: ...COIL 0 0068uH AS100240 6R8N L0022656 1 A E2 L 1089 COIL E2 0 25 1 9 5 5T R L0022610 1 A E2 L 1090 COIL 0 015uH AS100440 15N L0022811 1 A E2 L 1091 COIL 0 015uH AS100440 15N L0022811 1 A E2 L 1092 COI...

Page 34: ...070247 1 A E4 Q 1021 TRANSISTOR 2SC4617 TL R G3346178R 1 B e5 Q 1022 TRANSISTOR 2SC4617 TL R G3346178R 1 A C4 Q 1023 TRANSISTOR 2SC4617 TL R G3346178R 1 B e5 Q 1024 IC TA31136FN EL G1091605 1 A C5 Q 1...

Page 35: ...78R 1 B c5 Q 1100 TRANSISTOR RT1N441U T11 1 G3070247 1 B c5 Q 1106 TRANSISTOR 2SC5006 T1 G3350068 1 B d4 Q 1107 TRANSISTOR 2SC5006 T1 G3350068 1 B d4 Q 1108 TRANSISTOR 2SC5006 T1 G3350068 1 A C4 Q 110...

Page 36: ...563 D J24189161 1 B a4 R 1038 CHIP RES 47k 1 16W 0 5 RR0510R 473 D J24189159 1 B a4 R 1039 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 B a4 R 1040 CHIP RES 47 1 16W 5 RMC1 16S 470JTH J24189009...

Page 37: ...6S 101JTH J24189013 1 B a5 R 1130 CHIP RES 100 1 16W 5 RMC1 16S 101JTH J24189013 1 B b5 R 1131 CHIP RES 560 1 16W 5 RMC1 16S 561JTH J24189022 1 B b5 R 1132 CHIP RES 330k 1 16W 5 RMC1 16S 334JTH J24189...

Page 38: ...TH J24189042 1 B f4 R 1212 CHIP RES 390k 1 16W 5 RMC1 16S 394JTH J24189056 1 B f4 R 1213 CHIP RES 150k 1 16W 5 RMC1 16S 154JTH J24189051 1 A A4 R 1214 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1...

Page 39: ...1 16S 223JTH J24189041 1 B f3 R 1288 CHIP RES 2 2M 1 16W 5 RMC1 16S 225JTH J24189065 1 B f3 R 1291 CHIP RES 22 1 16W 5 RMC1 16S 220JTH J24189005 1 B f3 R 1292 CHIP RES 22 1 16W 5 RMC1 16S 220JTH J2418...

Page 40: ...1 16W 5 RMC1 16S 104JTH J24189049 1 A E4 R 1367 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 A E5 R 1370 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 A A5 R 1371 CHIP RES 1k 1 16W 5 RMC1 16S 102...

Page 41: ...3 R 1420 CHIP RES 100k 1 16W 0 5 RR0510R 104 D J24189167 1 A B4 R 1421 CHIP RES 100k 1 16W 0 5 RR0510R 104 D J24189167 1 A B4 R 1422 CHIP RES 100k 1 16W 0 5 RR0510R 104 D J24189167 1 A B4 R 1423 CHIP...

Page 42: ...7 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 B c5 R 1498 CHIP RES 100 1 16W 5 RMC1 16S 101JTH J24189013 1 B c5 R 1499 CHIP RES 33k 1 16W 5 RMC1 16S 333JTH J24189043 1 B c5 R 1500 CHIP RES 22k 1...

Page 43: ...16W 0 5 RR0510P 561 D J24189113 1 B c4 R 1579 CHIP RES 2 2k 1 16W 5 RMC1 16S 222JTH J24189029 1 B c5 R 1580 CHIP RES 15k 1 16W 5 RMC1 16S 153JTH J24189039 1 B c4 R 1581 CHIP RES 22k 1 16W 5 RMC1 16S 2...

Page 44: ...6S 470JTH J24189009 1 B e3 R 1671 CHIP RES 100 1 16W 5 RMC1 16S 101JTH J24189013 1 A D3 R 1672 CHIP RES 82 1 16W 5 RMC1 16S 820JTH J24189012 1 B d3 R 1673 CHIP RES 47 1 16W 5 RMC1 16S 470JTH J24189009...

Page 45: ...RMC1 16S 102JTH J24189025 1 B e5 R 1731 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 B f2 R 1732 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 A A4 R 1733 CHIP RES 100 1 16W 5 RMC1 16S 101JTH J...

Page 46: ...46 REF DESCRIPTION VALUE V W TOL MFR S DESIG VXSTD P N VERS LOT SIDE LAY ADR MAIN Unit Parts List Note Parts List...

Page 47: ...rcuit Diagram 3 14 V DIMMER 1 4 80 V 3 80 Vp p 4 50 Vp p DIMMER 1 6 61 V DIMMER 1 2 08 V DIMMER 1 4 23 V DIMMER 1 2 08 V DIMMER 1 8 22 V 8 80 V 8 94 V 4 82 V POWER SW 1 58 V DX KEY 0 4 81 V 0 4 81 V 0...

Page 48: ...it Diagram A B C D E F G 1 2 a b c d e f g 1 2 Side A Side B TC4W53FU Q2004 2SA1602A MF Q2005 2SC4617 BR Q2007 RT1N441U N3 Q2006 HZM27WA N3 D2004 2005 NJM78L05 8C Q2009 CPH6102 Q2004 M38223E4HP Q2001...

Page 49: ...80pF 50V B GRM36B681K50PT K22178807 1 B e1 C 2034 CHIP CAP 100pF 50V CH GRM36CH101J50PT K22178236 1 B c1 C 2035 CHIP CAP 100pF 50V CH GRM36CH101J50PT K22178236 1 B d1 C 2036 CHIP CAP 0 001uF 50V B GRM...

Page 50: ...6W 5 RMC1 16S 102JTH J24189025 1 B d1 R 2050 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 B d1 R 2051 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 B d1 R 2052 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH...

Page 51: ...08 TACT SWITCH SKQMAL N5090105 1 A E2 S 2009 TACT SWITCH SKQMAL N5090105 1 A D2 S 2010 TACT SWITCH SKQMAL N5090105 1 A E2 S 2011 TACT SWITCH SKQMAL N5090105 1 A F2 S 2012 TACT SWITCH SKQMAL N5090105 1...

Page 52: ...52 REF DESCRIPTION VALUE V W TOL MFR S DESIG VXSTD P N VERS LOT SIDE LAY ADR PANEL Unit Parts List Note...

Page 53: ...53 PANEL SUB Unit Circuit Diagram 3 67 V 3 64 V 3 67 V 8 97 V 3 67 V 3 67 V 8 74 V...

Page 54: ...3002 CONNECTOR IL FHR 10S HF E3000 P1091046 1 A A1 J 3003 CONNECTOR MJ 66J RD315K P1091049 1 A C1 Q 3001 IC NJM2904V TE1 G1091677 1 A B1 R 3001 CHIP RES 4 7k 1 16W 5 RMC1 16S 472JTH J24189033 1 A B1 R...

Page 55: ...RM36B103K16PT K22128804 1 B a1 C 4005 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 B a1 P 4000 WIRE ASSY AH008M T9206998 1 R 4001 CHIP RES 10 1 16W 5 RMC1 16S 100JTH J24189001 1 B a1 R 4002 CHIP R...

Page 56: ...C 5004 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 B a1 C 5005 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 B a1 P 5000 WIRE ASSY AH008M T9206998 1 R 5001 CHIP RES 10 1 16W 5 RMC1 16S 100JTH...

Page 57: ...17...

Search results

Summary of Contents for FT-8900R

Reviews:

Related manuals for FT-8900R

Brands by name

Popular brands

Yaesu FT-8900R, Technical Supplement

Search results

Summary of Contents for FT-8900R

Reviews:

Related manuals for FT-8900R

Brands by name

Popular brands