Yaesu FT-857 series Technical Supplement Download Page 57

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PA Unit

Parts Layout

Side A

DAP202K (P)
(D3005)

DAP236U (X)
(D3014, 3016)

DAN202K (N)
(D3010, 3011,

3013)

KIA7805API
(Q3007)

BU4094BCFV-E2
(Q3003, 3012)

2SB1143S
(Q3006)

2SD1801S
(Q3014, 3015)

2SC3102
(Q3024)

2SC5125
(Q3023, 3023)

DTC143ZUA (123)
(Q3017, 3025,

3026, 3030,
3031, 3032)

IMD3 (D3)
(Q3020, 3021)

2SC5374 (NA)
(Q3034)

DTA113ZK (E11)
(Q3018, 3027)

2SB624 (BV4)
(Q3028, 3029)

DTA114TK (24)
(Q3011)

DTC124GUA (K25)
(Q3010)

DTC323TK (H02)
(Q3002)

Summary of Contents for FT-857 series

Page 1: ...o liability for damage that may occur as a result of typographical or other errors that may be present Your cooperation in pointing out any inconsistencies in the technical information would be apprec...

Page 2: ...ter warmup with optional TCXO 9 Supply Voltage Normal 13 8 VDC 15 Negative Ground Current Consumption Squelched 550 mA Approx Receive 1 A Transmit 22 A Case Size W x H x D 6 1 x 2 0 x 9 2 155 x 52 x 2...

Page 3: ...SB CW AM FM 100 kHz 1 8 MHz 1 8 MHz 28 MHz 2 5 V 28 MHz 30 MHz 2 5 V 0 32 V 50 MHz 54 MHz 1 V 0 16 V 144 430 MHz 0 5 V 0 16 V Image Rejection HF 50 MHz 70 dB 144 430 MHz 60 dB IF Rejection 60 dB Selec...

Page 4: ...4 Note...

Page 5: ...8 11 10 Q9000796 ROTARY ENCODER RA0452000 KNOB MAIN ASSY RA0452300 RUBBER RING RA0269500 ROTARY KNOB SQL RA0111400 RING NUT RA0473600 SPACER KNOB SEL Ref VXSTD P N Description Qty 1 U00315007 PAN HEAD...

Page 6: ...6 Note...

Page 7: ...7 Connection Diagram...

Page 8: ...8 Block Diagram...

Page 9: ...IN Unit where the 1st IF signal is mixed with the 2nd local signal 67 875 MHz The re sulting output signal 455 kHz is applied to the 2nd IF filter which is matched to the receiving mode either CF1004...

Page 10: ...t The modulated SSB AM signal is applied to the 2nd Mixer Q1082 SA602AD which produces the 68 33 MHz 2nd IF signal utilizing the 2nd local signal 68 875 MHz The 2nd IF signal is fed through the 2ndIF...

Page 11: ...by Q2011 2SC5374 and Q2022 UPC2713T and passes through a low pass filter It is then fed to the TX RX frequency mixer cir cuitry of the MAIN Unit 2nd Local Oscillator Circuit The 2nd LO circuit is a Ha...

Page 12: ...l of the equipment list ed but the interactions of some adjustments may require that more complex adjustments be performed in a se quence Do not attempt to perform only a single step un less it is cle...

Page 13: ...6 of J2002 on the PLL Unit and refer ring to the table below tune the transformer inductor on the PLL Unit on each frequency listed Then con firm that the correct voltage is present or adjust the lis...

Page 14: ...an indication of 30 mA 2mA on the ammeter Exciter Stage Idling Current 1 Disconnect the Jumper Plug from J1004 on the MAIN Unit then connect the ammeter to J1004 pin 1 pin 1 2 Turn both VR1001 and VR...

Page 15: ...r the RF millivoltmeter and re connect the Coaxial Cable to J1002 TX BPF Adjustment VHF TX BPF Adjustment 1 Set the frequency to 145 995 MHz Disconnect the Coaxial Cable from J1002 on the MAIN Unit 2...

Page 16: ...09 and T1010 alternately for mini mum indication on the DC voltmeter UHF Band Alignment 1 Connect the signal generator to the 144 430 MHz an tenna jack and the DC voltmeter to TP1044 on the MAIN Unit...

Page 17: ...t the ammeter between TP3025 and TP3026 4 Turn VR3002 fully counterclockwise 5 Press the PTT and adjust VR3002 for an indication of 300 mA 10 mA on the ammeter 6 Disconnect the ammeter and re connect...

Page 18: ...ATT IPO CTCSS DCS Off AGC Auto Output power Max Break in On CW Keyer Off VOX Off Press and hold in three Multi Function Keys A B C simultaneously and turn on the transceiver while hold ing them in the...

Page 19: ...4 Increase the signal generator output level to 25 dB 5 Select menu item 10 FM FS and press the A key to set this parameter Alignment FM Center Meter Adjustment 1 Tune the transceiver to the 144 MHz...

Page 20: ...1 Key the transmit ter and confirm that the output power is 10 W 1 W In case the power is not within the specified toler ance adjust this parameter for 10 W 1 W of trans mission power 5 Select menu it...

Page 21: ...51 ALC 1 Key the transceiver without microphone input and press the A key Now a value which the microprocessor computes will be displayed on the LCD 3 Rotate the main DIAL knob to adjust this paramete...

Page 22: ...e the menu item selected is 66 DCS SSB Carrier Point Adjustment 1 Tune the transceiver to the 21 MHz band in the LSB mode 2 Connect a 50 Ohm dummy load and wattmeter to the HF 50MHz antenna jack 3 Inj...

Page 23: ...23 MAIN Unit Circuit Diagram...

Page 24: ...24 MAIN Unit Note...

Page 25: ...Q1114 1120 2SC4154E LE Q1037 1057 1064 1069 1077 1085 1090 1093 2SK2973 K1 Q1006 1007 2SA1602A MF Q1036 2SB624 BV3 Q1013 1020 KIA7808API Q1014 FMG5 G5 Q1015 M62352GP Q1016 UMC5N C5 Q1018 1060 RT1N241M...

Page 26: ...56 1059 2SC5374 NA Q1025 UPC2710T C1F Q1022 2SK2685 WV Q1026 UMH6N H6 Q1027 1125 1126 UMD2N D2 Q1029 2SJ355 PQ Q1031 2SA1602A MF Q1040 1050 1099 DTC114EU 24 Q1110 AD9835BRU Q1062 BU4053BCFV E2 Q1066 M...

Page 27: ...1025 CHIP CAP 0 1uF 25V B GRM40B104M25PT K22140811 1 A G4 C 1026 CHIP CAP 0 1uF 25V B GRM40B104M25PT K22140811 1 A H4 C 1029 CHIP CAP 0 1uF 16V B GRM39B104K16PT K22124805 1 A G3 C 1030 CHIP CAP 0 1uF...

Page 28: ...CHIP CAP 0 047uF 10V BJ LMK105BJ473KV F K22108805 1 B c2 C 1104 CHIP CAP 0 1uF 16V B GRM39B104K16PT K22124805 1 B d3 C 1105 CHIP CAP 0 001uF 50V B UMK105B102KW F K22178829 1 B d3 C 1106 CHIP CAP 0 001...

Page 29: ...HIP CAP 10pF 50V CH UMK105CH100DW F K22178258 1 A D1 C 1180 CHIP CAP 68pF 50V CH UMK105CH680JW F K22178278 1 B d1 C 1182 CHIP CAP 0 1uF 16V B GRM39B104K16PT K22124805 1 B e1 C 1183 CHIP CAP 2pF 50V CK...

Page 30: ...CAP 7pF 50V CH UMK105CH070DW F K22178255 1 B e2 C 1257 CHIP CAP 0 001uF 50V B UMK105B102KW F K22178829 1 B f3 C 1258 CHIP CAP 0 0047uF 25V B TMK105B472KW F K22148831 1 A E5 C 1259 CHIP CAP 0 01uF 16V...

Page 31: ...CHIP TA CAP 0 47uF 25V TESVA1E474M1 8R K78140009 1 A A5 C 1337 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 B g5 C 1338 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 A C4 C 1340 CHIP CAP 0 1uF...

Page 32: ...P 18pF 50V CH UMK105CH180JW F K22178264 1 A C5 C 1422 CHIP CAP 10pF 50V CH UMK105CH100DW F K22178258 1 B e5 C 1423 CHIP TA CAP 10uF 10V TEMSVA1A106M 8R K78100028 1 A A5 C 1424 CHIP CAP 0 01uF 16V B GR...

Page 33: ...uF 10V F GRM39F105Z10PT K22105001 2 B d6 C 1528 CHIP CAP 0 1uF 16V B GRM39B104K16PT K22124805 1 B e7 C 1529 CHIP CAP 0 1uF 16V B GRM39B104K16PT K22124805 1 B e6 C 1530 CHIP CAP 0 01uF 16V B GRM36B103K...

Page 34: ...68pF 50V CH UMK105CH680JW F K22178278 1 B e6 C 1606 CHIP CAP 100pF 50V CH UMK105CH101JW F K22178282 1 B f6 C 1607 CHIP CAP 15pF 50V CH UMK105CH150JW F K22178262 1 A A3 C 1608 CHIP CAP 33pF 50V CH UMK...

Page 35: ...SV278 TPH2 G2070616 1 A D1 D 1029 DIODE MA132WK TX G2070776 1 B c6 D 1030 DIODE DAP236U T106 G2070592 1 B e1 D 1031 DIODE DAP236U T106 G2070592 1 A D1 D 1032 DIODE MC2850 T11 1 G2070704 1 A E6 D 1033...

Page 36: ...R 9210B 1 04Z172 T P0091283 1 J 1024 CONNECTOR 9210B 1 04Z172 T P0091283 1 J 1025 CONNECTOR R41 4904H P1091047 1 A H7 JP1001 CHIP RES 0 1 16W 5 RMC1 16 000JATP J24185000 VER A1 1 A F6 JP1001 CHIP RES...

Page 37: ...4 100MC L1690599 1 A H4 L 1003 CHIP COIL 330uH LQH3N331K02M00 L1690105 1 B c4 L 1004 COIL E2 0 4 3 0 9 5T L L0022575 1 A G4 L 1005 M RFC 10uH CDRH74 100MC L1690599 1 A G4 L 1006 M RFC 0 022uH HK1608 2...

Page 38: ...A7808API G1093164 1 A F1 Q 1015 TRANSISTOR FMG5 T148 G3070021 1 A G1 Q 1016 IC M62352GP 70EC G1092689 1 A E5 Q 1017 TRANSISTOR 2SC3357 T2 G3333577 1 B b2 Q 1018 TRANSISTOR UMC5N TR G3070137 1 A F1 Q 1...

Page 39: ...77 1 B g5 Q 1089 IC BB304CDW TL G1093324 1 B f4 Q 1090 TRANSISTOR 2SC4154 T11 1E G3341548E 1 A B5 Q 1091 TRANSISTOR RT1N241M T11 1 G3070249 1 B g6 Q 1093 TRANSISTOR 2SC4154 T11 1E G3341548E 1 A D6 Q 1...

Page 40: ...16 102JATP J24185102 1 A G2 R 1043 CHIP RES 4 7k 1 16W 5 RMC1 16S 472JTH J24189033 1 B b2 R 1044 CHIP RES 2 2M 1 16W 5 RMC1 16S 225JTH J24189065 1 B b2 R 1045 CHIP RES 10 1 16W 5 RMC1 16S 100JTH J241...

Page 41: ...S 470 1 16W 5 RMC1 16S 471JTH J24189021 1 B d4 R 1120 CHIP RES 470k 1 16W 5 RMC1 16S 474JTH J24189057 1 B d2 R 1121 CHIP RES 470k 1 16W 5 RMC1 16S 474JTH J24189057 1 B c3 R 1122 CHIP RES 18 1 16W 5 RM...

Page 42: ...1k 1 16W 5 RMC1 16S 102JTH J24189025 1 B f3 R 1197 CHIP RES 330k 1 16W 5 RMC1 16S 334JTH J24189055 1 B h1 R 1198 CHIP RES 150k 1 16W 5 RMC1 16S 154JTH J24189051 1 A E5 R 1199 CHIP RES 1k 1 16W 5 RMC1...

Page 43: ...00k 1 16W 5 RMC1 16S 104JTH J24189049 1 A B4 R 1275 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 A B4 R 1276 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 A A3 R 1277 CHIP RES 10k 1 16W 5 RMC...

Page 44: ...16W 5 RMC1 16S 222JTH J24189029 1 B h6 R 1351 CHIP RES 4 7k 1 16W 5 RMC1 16S 472JTH J24189033 1 B h6 R 1352 CHIP RES 1 5k 1 16W 5 RMC1 16S 152JTH J24189027 1 A A5 R 1353 CHIP RES 100 1 16W 5 RMC1 16S...

Page 45: ...470 1 16W 5 RMC1 16S 471JTH J24189021 1 B g6 R 1443 CHIP RES 1M 1 16W 5 RMC1 16S 105JTH J24189061 1 B f4 R 1444 CHIP RES 270k 1 16W 5 RMC1 16S 274JTH J24189054 1 A B3 R 1444 CHIP RES 220k 1 16W 5 RMC...

Page 46: ...CHIP RES 47 1 16W 5 RMC1 16S 470JTH J24189009 1 B g6 R 1535 CHIP RES 470 1 16W 5 RMC1 16S 471JTH J24189021 1 B b6 R 1537 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 B g6 R 1538 CHIP RES 470 1 4W...

Page 47: ...471JTH J24189021 1 B a7 R 1614 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 A G5 R 1617 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 A G5 R 1618 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J2418903...

Page 48: ...1036 COIL 05RF 455K 010812301 L0022780 1 A C6 T 1037 COIL 05RF 455K 010812301 L0022780 1 A D6 TC1001 TRIMMER CAP 3pF ECR KN003A61X 3P K91000264 1 A E4 TC1002 TRIMMER CAP 6pF ECR KN006A61X 6P K9100022...

Page 49: ...49 PLL Unit Circuit Diagram...

Page 50: ...A Side B DAP236U X D2010 2013 DAP222 P D2012 2017 DTC124EU 25 Q2001 2002 2003 2012 2013 2SK210GR YG Q2004 2005 2006 2SC4154E LE Q2007 2SC5374 NA Q2009 2010 2011 AD9850BRS Q2016 BU4094BCFV E2 Q2018 2S...

Page 51: ...GRM36B103K16PT K22128804 1 A B1 C 2044 CHIP CAP 33pF 50V CH UMK105CH330JW F K22178270 1 A B1 C 2045 CHIP CAP 33pF 50V CH UMK105CH330JW F K22178270 1 A B2 C 2046 CHIP CAP 7pF 50V CH UMK105CH070DW F K22...

Page 52: ...K22178268 1 A B1 C 2111 CHIP CAP 27pF 50V CH UMK105CH270JW F K22178268 1 A B1 C 2112 CHIP CAP 15pF 50V CH UMK105CH150JW F K22178262 1 A B1 C 2113 CHIP CAP 0 001uF 50V B UMK105B102KW F K22178829 1 B a1...

Page 53: ...ES 470k 1 16W 5 RMC1 16S 474JTH J24189057 1 A A2 R 2006 CHIP RES 470k 1 16W 5 RMC1 16S 474JTH J24189057 1 A A1 R 2007 CHIP RES 68 1 16W 5 RMC1 16S 680JTH J24189011 1 A A2 R 2008 CHIP RES 68 1 16W 5 RM...

Page 54: ...1 16S 102JTH J24189025 1 B b1 R 2070 CHIP RES 2 2k 1 16W 5 RMC1 16S 222JTH J24189029 1 A B1 R 2071 CHIP RES 470 1 16W 5 RMC1 16S 471JTH J24189021 1 B a1 R 2073 CHIP RES 47 1 16W 5 RMC1 16S 470JTH J241...

Page 55: ...55 PA Unit Circuit Diagram...

Page 56: ...56 PA Unit Note...

Page 57: ...7 BU4094BCFV E2 Q3003 3012 2SB1143S Q3006 2SD1801S Q3014 3015 2SC3102 Q3024 2SC5125 Q3023 3023 DTC143ZUA 123 Q3017 3025 3026 3030 3031 3032 IMD3 D3 Q3020 3021 2SC5374 NA Q3034 DTA113ZK E11 Q3018 3027...

Page 58: ...Parts Layout DAP236U X D3017 b a 1 2 3 5 4 6 DAN202K N D3042 3043 DAN235U M D3053 TA75S01F SA Q3001 2SC4154E LE Q3004 3008 3009 DTC143ZUA 123 Q3016 3033 DTA113ZK E11 Q3019 d c f e g h 7 2SA812 M5 Q30...

Page 59: ...C 3038 CHIP CAP 0 01uF 50V B GRM39B103M50PT K22174823 1 B d2 C 3039 CHIP CAP 0 001uF 50V B GRM39B102K50PT K22174821 1 B c2 C 3041 CHIP CAP 0 01uF 50V B GRM39B103M50PT K22174823 1 A E2 C 3046 CHIP CAP...

Page 60: ...12pF 500V UC232H0120J T K33279020 1 A C6 C 3142 FILM CAP 47pF 500V UC232H0470J T K33279034 1 A C7 C 3144 CHIP CAP 0 1uF 16V B GRM39B104K16PT K22124805 1 B d4 C 3145 CHIP CAP 220pF 50V CH GRM39CH221J5...

Page 61: ...T K22230224 1 B b4 C 3233 FILM CAP 39pF 500V UC232H0390J T K33279038 1 B c3 C 3234 CHIP CAP 180pF 200V CH GRM40CH181J200PT K22230231 1 B b5 C 3237 CHIP CAP 18pF 200V CH GRM40CH180J200PT K22230219 1 B...

Page 62: ...25PT K22145002 1 A G6 C 3311 CHIP CAP 0 047uF 25V F GRM39F473Z25PT K22145002 1 A G6 C 3312 CHIP CAP 0 01uF 50V B GRM39B103M50PT K22174823 1 B a4 C 3313 CHIP CAP 0 01uF 50V B GRM39B103M50PT K22174823 1...

Page 63: ...070118 1 B d6 FB3003 FERRITE BEADS SMB304729 L9190094 1 A B7 FB3004 FERRITE BEADS FB43801 L9190025 1 J 3001 CONNECTOR 24FLT SM1 TB P1091128 1 A A1 J 3002 CONNECTOR SC25 02WS P0090621 1 A B1 J 3003 CON...

Page 64: ...0 400U T44 10 L0022567 1 A G4 L 3063 COIL B1 9 0T8 5D0 9UEW R L0021856 1 A F2 L 3064 TOROIDAL COIL 0 146uH 0 146U T44 10 L0022568 1 A G5 L 3065 COIL B1 7 0T8 5D0 9UEW R L0021858 1 A G4 L 3066 TOROIDA...

Page 65: ...CHIP RES 82k 1 16W 5 RMC1 16 823JATP J24185823 1 A A4 R 3037 CHIP RES 10k 1 16W 5 RMC1 16 103JATP J24185103 1 A E2 R 3038 CHIP RES 330 1W 5 RMC1 331JTE J24305331 1 B h4 R 3039 CHIP RES 1k 1 16W 5 RMC...

Page 66: ...1 16W 5 RMC1 16 103JATP J24185103 1 A G6 R 3118 CHIP RES 4 7k 1 16W 5 RMC1 16 472JATP J24185472 1 A G6 R 3119 CHIP RES 47k 1 16W 5 RMC1 16 473JATP J24185473 1 B a6 R 3120 CHIP RES 1 5k 1 16W 5 RMC1 1...

Page 67: ...67 PANEL Unit Circuit Diagram...

Page 68: ...A D C F E G H 1 2 Parts Layout 1 2 b a d c f e g h BRPG1211C D4008 HZM27WA 27A D4001 RT1N241M N2 Q4005 2SB624 BV3 Q4007 4009 4011 2SC4154E LE Q4006 4008 4010 4012 PST3445UR DF Q4004 HD6473032F Q4003 S...

Page 69: ...B103K16PT K22128804 1 B c1 C 4048 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 B c1 C 4049 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 B c1 C 4050 CHIP CAP 0 01uF 16V B GRM36B103K16PT K221288...

Page 70: ...JATP J24185000 1 B a2 R 4014 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 B e1 R 4015 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 B e1 R 4016 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 B e...

Page 71: ...16S 332JTH J24189031 1 B f1 R 4076 CHIP RES 180 1 16W 5 RMC1 16S 181JTH J24189016 1 B f1 R 4077 CHIP RES 220 1 4W 5 RMC1 4 221JATP J24245221 1 B g2 R 4078 CHIP RES 1 2k 1 10W 5 RMC1 10T 122J J2420512...

Page 72: ...72 Parts List REF DESCRIPTION VALUE V W TOL MFR S DESIG VXSTD P N VERS LOT SIDE LAY ADR Note PANEL Unit...

Page 73: ...103M50PT K22174823 1 C 5008 CHIP TA CAP 10uF 6 3V TESVSP0J106M 8R K78080055 1 J 5001 CONNECTOR 9117S 03D P1091095 1 J 5002 CONNECTOR 9117S 04D P1090873 1 Q 5001 TRANSISTOR 2SC4400 4 TL G3344008D 1 Q 5...

Page 74: ...ircuit Board AH007M000 FR0096600 1 FB4901 FERRITE BEADS BK1608HS121 T L9190081 1 FB4902 FERRITE BEADS BK1608HS121 T L9190081 1 FB4903 FERRITE BEADS BK1608HS121 T L9190081 1 J 4901 CONNECTOR 52746 0890...

Page 75: ...ALUE V W TOL MFR S DESIG VXSTD P N VERS LOT SIDE LAY ADR PCB with Components CB2339001 Printed Circuit Board AH007M000 FR0098000 VR4801 POT RK0972210 10KB 10KB J62800141 1 A Circuit Diagram Parts Layo...

Page 76: ...rts List REF DESCRIPTION VALUE V W TOL MFR S DESIG VXSTD P N VERS LOT SIDE LAY ADR PCB with Components CB2338001 Printed Circuit Board AH007M000 FR009820B 1 J 7001 CONNECTOR HJC0278 010022 P1091164 1...

Page 77: ...77 Circuit Diagram Parts Layout DSP 2 Unit Option Side B Side A AK7712VT Q6003 NJM2902V Q6001 6002 DTC114EU 24 Q1053...

Page 78: ...9B104K16PT K22124805 1 A C 6035 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 A C 6036 CHIP CAP 4pF 50V CH GRM36CH040C50PT K22178206 1 B J 6001 CONNECTOR IL WX 16PB HF B E1000 P0091321 1 A L 6001 C...

Page 79: ...0 1 16W 5 RMC1 16S 471JTH J24189021 1 A R 6034 CHIP RES 470 1 16W 5 RMC1 16S 471JTH J24189021 1 A R 6035 CHIP RES 470 1 16W 5 RMC1 16S 471JTH J24189021 1 A R 6036 CHIP RES 470 1 16W 5 RMC1 16S 471JTH...

Page 80: ...IG VXSTD P N VERS LOT SIDE LAY ADR Printed Circuit Board FR005860C 1 C 5101 CHIP CAP 0 01uF 25V B GRM39B103K25PT K22144803 1 C 5102 CHIP TA CAP 10uF 6 3V TESVSP0J106M 8R K78080055 1 J 5101 CONNECTOR 9...

Page 81: ...81...

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Summary of Contents for FT-857 series

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