Yaesu FT-8800R, Technical Supplement

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

Page 2: ...168 mm w o knobs connectors Weight Approx 2 2 lb 1 kg TRANSMITTER Output Power 50 20 10 5 W 144 MHz 35 20 10 5 W 430 MHz Modulation Type Variable Reactance Maximum Deviation 5 kHz Spurious Radiation B...

Page 3: ...0206 FAN GUARD P1090984 CONNECTOR RA0446200 LEAF SPRING RA0396100 REAR PANEL RA02668AA CHASSIS RA0441300 PAD RA0438700 RUBBER G6090147A LCD VR L Unit VR R UNIT PANEL Unit PANEL SUB UNIT MAIN UNIT RA04...

Page 4: ...4 Exploded View Miscellaneous Parts Note...

Page 5: ...Block Diagram 5...

Page 6: ...Block Diagram 6 Note...

Page 7: ...4 which removes any amplitude variations in the 450 kHz IF signal before detection of speech The demodulated Main band audio is passed through the de emphasis network audio switch D1047 DAN222 low pas...

Page 8: ...nel SQL knob While no carrier is being received on the Right band pin 15 of Q1105 remain low to disable the audio out put from the speaker Transmitter Signal Path AF Signal The speech signal from the...

Page 9: ...99 D1101 D1106 and D1107 all HSC277 and APC switches Q1130 DTA144EE and Q1131 DTC144EE which activate the 430 MHz transmitter circuit 144 MHz When the PTT switch is pressed pin 8 of sub CPU Q2001 M382...

Page 10: ...n sent to the phase comparator The 11 7 MHz reference oscillator X1003 frequency is di vided by the reference frequency divider section of Q1122 into 2340 or 1872 parts to become 5 kHz or 6 25 kHz com...

Page 11: ...t 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...

Page 12: ...apactor to the TP1104 9 Adjust the Right DIAL knob as needed so that the counter frequency reading is 387 800 MHz 100 Hz RF Front end Tuning 1 Connect the DC voltmeter to TP1020 on the MAIN Unit then...

Page 13: ...Increase the Transmit Power Level to HIGH 18 Press the PTT switch to activate the transmitter and adjust the Left DIAL knob as needed so that the wattmeter reading is 50 Watts 0 5 Watt TX Deviation 1...

Page 14: ...to 23 dB 7 Press the Left band V M key 8 Tune the Right band frequency to 146 050 MHz 9 Inject a 146 050 MHz signal at a level of 5 dB from the RF Signal Generator 10 Press the Left band LOW key 11 I...

Page 15: ...r output level to 31 dB 54 Press the Left band V M key Alignment DC Voltmeter 1 Set the power supply voltage to 13 8 VDC 2 Press and hold in the in the Sub band DIAL knob to set the Alignment paramete...

Page 16: ...16 Note...

Page 17: ...18 V off 13 53 V FAN on 11 98 V off 13 78 V 1 35 V 1 28 V 0 52 V 8 85 V 6 47 V 13 56 V 13 00 V 13 78 V 3 22 V 3 58 V 8 41 V 3 22 V 3 58 V AF VR A 0 4 7 V AF VR B 0 4 7 V 1 91 V 1 89 V 1 91 V 1 91 V 1...

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

Page 19: ...1 ZQ Q1078 2SC4400 RT4 Q1027 1035 1043 2SC4617 BR Q1030 1038 1039 1056 1057 1082 1098 1099 2SC5006 24 Q1004 1021 1022 1025 1026 1118 1119 2SC5277 D2 Q1020 2SC5374 NA Q1024 1122 1125 1128 DTC144EE 26 Q...

Page 20: ...113 2SC5006 24 Q1006 1116 1117 1123 1124 2SC5374 NA Q1023 1120 1121 1126 1127 DAN222 N D1031 1047 1048 1058 1059 1060 1088 1100 HZ27WA 27A Q1053 1054 CPH6102 AB Q1064 DA221 K D1052 1073 1078 2SD1664 D...

Page 21: ...36CK1R5B50PT K22178288 1 A D3 C 1033 CHIP CAP 5pF 50V CH GRM36CH050B50PT K22178292 1 A D3 C 1034 CHIP CAP 22pF 50V CH GRM36CH220J50PT K22178220 1 A D3 C 1035 CHIP CAP 0 001uF 50V B GRM36B102K50PT K221...

Page 22: ...V CK GRM36CK010B50PT K22178287 1 B b4 C 1110 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 B b4 C 1111 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 B a4 C 1112 CHIP CAP 8pF 50V CH GRM36CH080B...

Page 23: ...B GRM36B102K50PT K22178809 1 A E4 C 1199 CHIP CAP 6pF 50V CH GRM36CH060B50PT K22178293 1 A E4 C 1200 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 A E4 C 1201 CHIP CAP 0 001uF 50V B GRM36B102K50PT...

Page 24: ...V CH GRM36CH560J50PT K22178230 1 B d5 C 1276 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 A D5 C 1277 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 A B5 C 1278 CHIP CAP 0 1uF 10V B GRM36B104K10...

Page 25: ...pF 50V CH GRM36CH470J50PT K22178228 1 B f2 C 1359 CHIP CAP 47pF 50V CH GRM36CH470J50PT K22178228 1 B f3 C 1360 CHIP CAP 47pF 50V CH GRM36CH470J50PT K22178228 1 B f3 C 1361 CHIP TA CAP 22uF 6 3V TEMSVA...

Page 26: ...V B GRM36B102K50PT K22178809 1 A B3 C 1445 CHIP CAP 39pF 50V CH GRM36CH390J50PT K22178226 1 A D5 C 1446 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 A D5 C 1447 CHIP CAP 0 75pF 50V CK GRM36CKR75B...

Page 27: ...1uF 50V B GRM36B102K50PT K22178809 1 A D4 C 1523 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 B d4 C 1524 CHIP CAP 2pF 50V CK GRM36CK020B50PT K22178289 1 A C4 C 1525 CHIP CAP 0 001uF 50V B GRM36B...

Page 28: ...470J T K33279034 1 A C2 C 1604 FILM CAP 39pF 500V UC232H0390J T K33279038 1 A C1 C 1605 CHIP TA CAP 1uF 25V TEMSVA1E105M 8R K78140013 1 B e1 C 1606 CHIP CAP 0 47uF 25V B GRM40B474K25PT K22140824 1 B d...

Page 29: ...1 CHIP CAP 11pF 50V CH GRM39CH110J50PT K22174212 1 C 1688 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 CD1001 CERAMIC DISC CDBM450C24 H7901390 1 A B4 CD1002 CERAMIC DISC CDBM450C24 H7901390 1 A C...

Page 30: ...B d4 D 1081 DIODE HSC277TRF G2070584 1 B d4 D 1082 DIODE HVC365 TRF G2070902 1 B d4 D 1083 DIODE HVC131TRF G2070676 1 B d4 D 1084 DIODE HVC362TRF G2070636 1 B d4 D 1085 DIODE HVC365 TRF G2070902 1 B...

Page 31: ...608CA 43NG L1691099 1 B b2 L 1024 M RFC 0 15uH 2 C1608CA R15G L1691101 1 B b3 L 1025 M RFC 1uH LK1608 1R0K T L1690687 1 B b3 L 1026 M RFC 0 082uH 2 C1608CA 82NG L1691044 1 B b4 L 1027 M RFC 0 082uH 2...

Page 32: ...1098 M RFC 1uH ELJ ND1R0JF L1690977 1 B e2 L 1099 COIL E2 0 35 1 6 5 5T L L0022616 1 A C2 L 1100 COIL E2 0 35 1 6 7T L L0022390 1 A B2 L 1101 M RFC 1uH ELJ ND1R0JF L1690977 1 B e2 L 1102 COIL 0 012uH...

Page 33: ...12L G1091676 1 B f2 Q 1068 IC LA4425A G1092241 1 A A2 Q 1069 IC TDA7233D TR G1091112 1 A A3 Q 1070 TRANSISTOR DTC144EE TL G3070075 1 A A1 Q 1071 IC BU4066BCFV E2 G1093537 1 A B4 Q 1072 TRANSISTOR DTC1...

Page 34: ...1014 CHIP RES 100 1 16W 5 RMC1 16S 101JTH J24189013 1 B c3 R 1015 CHIP RES 0 1 16W 5 RMC1 16S JPTH J24189070 1 A E3 R 1016 CHIP RES 4 7k 1 16W 5 RMC1 16S 472JTH J24189033 1 A D3 R 1017 CHIP RES 100 1...

Page 35: ...1 16W 5 RMC1 16S 331JTH J24189019 1 B b4 R 1097 CHIP RES 100 1 16W 5 RMC1 16S 101JTH J24189013 1 B b4 R 1098 CHIP RES 47k 1 16W 5 RMC1 16S 473JTH J24189045 1 A E4 R 1100 CHIP RES 1 5M 1 16W 5 RMC1 16...

Page 36: ...5 RMC1 16S 101JTH J24189013 1 B d5 R 1178 CHIP RES 150k 1 16W 5 RMC1 16S 154JTH J24189051 1 B d5 R 1179 CHIP RES 10k 1 16W 0 5 RR0510P 103 D J24189143 1 B c5 R 1180 CHIP RES 100k 1 16W 5 RMC1 16S 104...

Page 37: ...5 RMC1 16S 563JTH J24189046 1 A A4 R 1255 CHIP RES 220k 1 16W 5 RMC1 16S 224JTH J24189053 1 A A4 R 1256 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 A A4 R 1257 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH...

Page 38: ...S 100 1 16W 5 RMC1 16S 101JTH J24189013 1 B f3 R 1332 CHIP RES 12k 1 16W 5 RMC1 16S 123JTH J24189038 1 B f3 R 1333 CHIP RES 22k 1 16W 5 RMC1 16S 223JTH J24189041 1 B f3 R 1334 CHIP RES 2 2k 1 16W 5 RM...

Page 39: ...5 RR0510R 563 D J24189161 1 A B4 R 1411 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 A B4 R 1413 CHIP RES 8 2k 1 16W 5 RMC1 16S 822JTH J24189036 1 A F5 R 1414 CHIP RES 15k 1 16W 5 RMC1 16S 153JTH...

Page 40: ...RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 A B5 R 1472 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 A B5 R 1473 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 A B5 R 1474 CHIP RES 10k 1 16W 5 RMC...

Page 41: ...S 68k 1 16W 5 RMC1 16S 683JTH J24189047 1 B e4 R 1549 CHIP RES 82k 1 16W 5 RMC1 16S 823JTH J24189048 1 A B4 R 1550 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 A B4 R 1551 CHIP RES 47k 1 16W 5 RM...

Page 42: ...626 CHIP RES 47 1 16W 5 RMC1 16S 470JTH J24189009 1 B e2 R 1627 CHIP RES 12k 1 16W 5 RMC1 16S 123JTH J24189038 1 B d3 R 1628 CHIP RES 220 1 16W 5 RMC1 16S 221JTH J24189017 1 A C3 R 1629 CHIP RES 470 1...

Page 43: ...16S 101JTH J24189013 1 A C3 R 1685 CARBON FILM RES 5 6k 1 6W 5 RD16TPJ562 5 6K J07225562 1 TH1001 THERMISTOR TBPS1R103K440H5Q G9090067 1 A C3 TH1002 THERMISTOR TBPS1R103K440H5Q G9090067 1 B d5 TH1003...

Page 44: ...44 MAIN Unit Note...

Page 45: ...45 PANEL Unit Circuit Diagram...

Page 46: ...ts Layout 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 Q2008 M38223M4M Q2001 LC...

Page 47: ...035 CHIP CAP 100pF 50V CH GRM36CH101J50PT K22178236 1 B d2 C 2036 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 B c2 C 2037 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 B e2 C 2038 CHIP CAP 0...

Page 48: ...051 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 B d2 R 2052 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 B d2 R 2053 CHIP RES 22k 1 16W 5 RMC1 16S 223JTH J24189041 1 B d2 R 2054 CHIP RES 22k 1...

Page 49: ...QMAL N5090105 1 A E2 S 2011 TACT SWITCH SKQMAL N5090105 1 A F2 S 2012 TACT SWITCH SKQMAL N5090105 1 A B2 S 2013 TACT SWITCH SKQMAL N5090105 1 A A2 S 2014 TACT SWITCH SKQMAL N5090105 1 A A2 S 2015 TACT...

Page 50: ...50 PANEL Unit Note...

Page 51: ...51 PANEL SUB Unit Circuit Diagram...

Page 52: ...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 3002 CHIP RES 2 2k 1 16W 5 RMC1 16S 222JTH J24189029 1 A B1 R 3003 CHIP R...

Page 53: ...1 R 4001 CHIP RES 10 1 16W 5 RMC1 16S 100JTH J24189001 1 B a1 R 4002 CHIP RES 10 1 16W 5 RMC1 16S 100JTH J24189001 1 B a1 R 4003 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 B a1 R 4004 CHIP RES 1...

Page 54: ...GRM36B103K16PT K22128804 1 B a1 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...

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