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Vertex Standard FT-1807M manual

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Table of contents for the manual

  • Page 1

    Introduction This manual provides technical information necessary for servicing the FT-1807M FM Transceiver. Servicing this equipment requires expertise in handling surface-mount chip components. Attempts by non- qualified persons to service this equipment may result in permanent damage not covered by the warranty, and may be illegal in some countr[...]

  • Page 2

    2 Specifications General Frequency Range : Tx 400 - 470 MHz Rx 400 - 470 MHz Channel Step : 5/10/12.5/15/20/25/50/100 kHz Standard Repeater Shift : ±600 kHz Frequency Stability : Better than ±5 ppm (–20 °C to +60 °C) Modes of Emission : F2D/F2A/F3E Antenna Impedance : 50 Ohms, unbalanced Supply voltage : 13.8 V DC ±15%, negative ground Curre[...]

  • Page 3

    3 Exploded V iew & Miscellaneous Parts g c d e f g g d d d c c c f f f f f f f f e e e e e e e e e e M4090178 SPEAKER Non-designated parts are available only as part of a designated assembly . S8002063 CAP-SP RA0753600 FRONT PANEL RA0753800 RUBBER KNOB G6090169 LCD RA0754500 INTER CONNECTOR RA0754600 DIFFUSER CNTL UNIT MAIN UNIT RA0754400 GROUN[...]

  • Page 4

    4 Note[...]

  • Page 5

    5 Block Diagram[...]

  • Page 6

    6 Connection Diagram[...]

  • Page 7

    7 Circuit Description Receive Signal Path Incoming RF signal is from the antenna jack is deliv- ered to the Main Unit and passed through the low- pass filter network consisting capacitors C1213, C1236, C1239, & C1238 and coils L1017, L1018, & L1019, antenna switching diode D1020 and D1028 (both RLS135 ), delivery to the RF amplifier Q1045 ([...]

  • Page 8

    8 Circuit Description TX APC Circuit A portion of the power amplifier module output is rectified by D1022 ( 1SS321 ), then delivered to APC Q1038 ( LM2904PWR ), as a DC voltage which is pro- portional to the output level of the power amplifier module. The APC Q1038 ( LM2904PWR ) is compared the rec- tified DC voltage from the power amplifier module[...]

  • Page 9

    9 Alignment Introduction The FT -1807M is carefully aligned at the factory for the specified performance across the amateur band. Realignment should therefore not be necessary ex- cept in the event of a component failure. Only an authorized V ertex Standard representative should perform all component replacement and service, or the w arranty policy[...]

  • Page 10

    10 Alignment Preparation & Precautions A 50-Ohm RF load and in-line wattmeter must be connected to the antenna jack in all procedures that call for transmission; alignment is not possible with an antenna. After completing one step, read the next step to see if the same test equipment is required. If not, remove the test equipment (except dummy [...]

  • Page 11

    11 Squelch Threshold Level  Inject a 435.100 MHz signal at a level of –14 dBµ (with 1 kHz modulation @±3.5 kHz deviation) from the RF signal generator .  Rotate the SQL knob to the 10-o’clock position.  Rotate the DIAL knob to set the alignment param- eter to “ 435.100 tL 435.100 tL 435.100 tL 435.100 tL 435.100 tL .”  Press t[...]

  • Page 12

    12 CTCSS TX Deviation  Rotate the DIAL knob to set the alignment param- eter to “ 435.000 103 435.000 103 435.000 103 435.000 103 435.000 103 .”  Press the [ D/MR ( MW )] key to enable adjustment of the “CTCSS TX Deviation.”  Press the PTT switch to activate the transmitter , adjust the DIAL knob so that the Deviation Meter reading[...]

  • Page 13

    13 MAIN Unit Circuit Diagram 1.5 V (1.5 V) Ú 1 Ú 2 Q1043 Pin 2 TX ( LOW 1 ) : 0.7 V (2.0 V) TX ( LOW 2 ) : 0.7 V (2.4 V) TX ( LOW 3 ) : 0.7 V (3.1 V) TX ( HIGH ) : 0.7 V (3.8 V) Ú 1 Q1028 Pin RX TX 1 5.0 V 5.0 V 2 --- --- 3 3.0 V 0 V 4 5.0 V 0.6 V 5 5.0 V 0.5 V 6 5.0 V 0.5 V 7 --- --- 8 0.7 V 0 V 9 1.1 V 0 V 10 5.0 V 0.6 V 11 4.2 V 0.1 V 12 0.6 [...]

  • Page 14

    14 MAIN Unit Note[...]

  • Page 15

    15 MAIN Unit Parts Layout (Side A) B A D CE F 1 2 3 4 5 2SA1774 (FR) (Q1007) 2SC4154 (E) (Q1033) 2SC4400 (RT4) (Q1032) 2SC4617 (BR) (Q1051, 1053) 2SC5226 (R22) (Q1026) 2SC4915O (Q0) (Q1054) 2SC5374 (NA) (Q1009, 1010, 1017, 1023) DAN235E (M) (D1010) CD4094BPWR (Q1048) MB15A01PFV1 (Q1011) NJM2591V (Q1028) 2SJ562 (Q1008) 3SK296ZQ (ZQ) (Q1037, 1045) KI[...]

  • Page 16

    16 MAIN Unit Parts Layout (Side B) b a d ce f 1 2 3 4 5 2SA1774 (FR) (Q1024, 2027, 1029) 2SC4154 (E) (Q1001, 1021, 1046, 1047) FMMTL718TA (Q1025) 2SJ364 (4M) (Q1034, 1036, 1041, 1042) LM2904PWR (Q1038, 1044, 1050) LM2902PWR (Q1005, 1049) DTC144EE (26) (Q1013, 1020, 1022, 1031, 1040) M62364FP (Q1043) S-812C50AUA (Q1016) 1SS321 (F9) (D1022) DAN222 (N[...]

  • Page 17

    17 PCB with Components CB3539001 FT-180 7 M CB3539002 FT-180 7 E Printed Circuit Board AH023U000 FR014760C 1- C 1001 CHIP TA.CAP. 10uF 10V TAJA106M010Y K78100072 1- B e4 C 1002 CHIP TA.CAP. 10uF 10V TAJA106M010Y K78100072 1- B e4 C 1003 CHIP CAP. 0.01uF 25V B GRM39B103M25PT K22144802 1- B e3 C 1005 CHIP CAP. 100pF 50V C H GRM1882C1H101JA01D K221742[...]

  • Page 18

    18 Parts List MAIN Unit REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR C 1082 AL.ELECTRO.CAP. 100uF 16V RC2-16V101MF1# K40129038 1- A B3 C 1083 CHIP CAP. 0.001uF 50V B GRM188B11H102KA01D K22174809 1- B d4 C 1084 CHIP CAP. 0.001uF 50V B GRM188B11H102KA01D K22174809 1- B d3 C 1086 CHIP CAP. 0.01uF 25V B GRM39B103M25P[...]

  • Page 19

    19 Parts List MAIN Unit REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR C 1166 CHIP CAP. 0.01uF 25V B GRM39B103M25PT K22144802 1- A E4 C 1167 CHIP CAP. 100pF 50V CH GRM1882C1H101JA01D K22174235 1- A D3 C 1168 CHIP CAP. 0.01uF 25V B GRM39B103M25PT K22144802 1- A D4 C 1170 CHIP CAP. 10pF 50V CH GRM1882C1H100JA01D K221[...]

  • Page 20

    20 Parts List MAIN Unit REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR C 1251 CHIP CAP. 1pF 50V CK GRM1884C1H1R0BZ01D K22174267 1- A E3 C 1252 CHIP CAP. 1pF 50V CK GRM1884C1H1R0BZ01D K22174267 1- A F4 C 1253 CHIP CAP. 0.001uF 50V B GRM188B11H102KA01D K22174809 1- B b3 C 1254 CHIP CAP. 0.001uF 50V B GRM188B11H102KA0[...]

  • Page 21

    21 Parts List MAIN Unit REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR L 1003 CHIP COIL 0.0033uH LQN21A3N3D04 L1690606 1- A C5 L 1004 M.RFC 0.022uH 2% C1608CB-22NG L1691036 1- A B4 L 1005 M.RFC 0.015uH TFL0816-15 L1690493 1- B e3 L 1006 M.RFC 0.01uH 2% C1608CB-10NG L1691032 1- A C3 L 1007 M.RFC 0.082uH 2% C1608CB-8[...]

  • Page 22

    22 Parts List MAIN Unit REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR R 1004 CHIP RES. 100 1/16W 5% RMC1/16S 101JTH J24189013 1- A B5 R 1005 CHIP RES. 22k 1/16W 5% RMC1/16S 223JTH J24189041 1- A B 5 R 1006 CHIP RES. 0 1/16W 5% RMC1/16S JPTH J24189070 1- A C5 R 1007 CHIP RES. 2.2k 1/16W 5% RMC1/16S 222JTH J24189029[...]

  • Page 23

    23 Parts List MAIN Unit R 1092 CHIP RES. 2.2k 1/16W 5% RMC1/16S 222JTH J24189029 1- B e3 R 1093 CHIP RES. 1k 1/16W 5% RMC1/16S 102JTH J24189025 1- B e3 R 1094 CHIP RES. 10k 1/16W 5% RMC1/16S 103JTH J24189037 1- A B3 R 1095 CHIP RES. 470 1/16W 5% RMC1/16S 471JTH J24189021 1- A B3 R 1096 CHIP RES. 22 1/16W 5% RMC1/16S 220JTH J24189005 1- A B3 R 1097 [...]

  • Page 24

    24 R 1173 CHIP RES. 1k 1/16W 5% RMC1/16S 102JTH J24189025 1- A F3 R 1175 CHIP RES. 47 1/16W 5% RMC1/16S 470JTH J24189009 1- A F4 R 1177 CHIP RES. 10k 1/16W 5% RMC1/16S 103JTH J24189037 1- A F3 R 1178 CHIP RES. 150k 1/16W 5% RMC1/16S 154JTH J24189051 1- A F3 R 1179 CHIP RES. 680 1/16W 0.5% MCR01MZPD6800 J24189360 1- B c4 R 1180 CHIP RES. 470k 1/16W [...]

  • Page 25

    25 Parts List MAIN Unit REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR R 1257 CHIP RES. 2.7k 1/16W 5% RMC1/16S 272JTH J24189030 1- B a3 R 1258 CHIP RES. 47k 1/16W 1% RMC1/16 473FTP J24183473 1- A F1 R 1259 CHIP RES. 22 1/16W 5% RMC1/16S 220JTH J24189005 1- A F4 R 1260 CHIP RES. 470k 1/16W 5% RMC1/16S 474JTH J241890[...]

  • Page 26

    26 Note MAIN Unit[...]

  • Page 27

    27 CNTL Unit Circuit Diagram Ú Ú J2003 Pin RX TX 1 5.0 V 5.0 V 20 V 0 V 30 V 0 V 40 V 0 V 50 V 0 V 60 V 0 V 70 V 0 V 8 1.9 V 1.8 V 9 3.0 V 3.0 V 10 0 V 0 V 11 1.1 V 0 V 12 3.2 V 0 V 13 4.9 V 4.9 V 14 0 V 0 V 15 8.0 V 8.0 V 16 0.6 V 0 V 17 0 V 0 V 18 0 V 0 V 19 --- --- 20 5.0 V 5.0 V 21 --- --- 22 --- --- 23 --- --- 24 13.8 V 12.3 V 25 --- --- 26 [...]

  • Page 28

    28 CNTL Unit Parts Layout B A D CE F G 1 2 2SC4617 (BR) (Q2007, 2008, 2013) 2SC5374 (NA) (Q2003) BR24L64 (Q2006) HD64F2266TF13 (Q2002) b a d ce f g 1 2 S-812C50AUA (Q2010) BD4830FVE (Q2011) DTC143ZE (E23) (Q2004) CPH6202 (CB) (Q2005) DAN222 (N) (D2023) DA221 (26) (D2001, 2025) (Side A) (Side B)[...]

  • Page 29

    29 PCB with Components CB3540001 FT-1807M A2 CB3540002 FT-1807M A1 CB3540003 FT-1807M A3 CB3540004 FT-1807E B1 CB3540005 FT-1807E B2 CB3540006 FT-1807M B3 CB3540007 FT-1807E C1 CB3540008 FT-1807E C2 CB3540009 FT-1807M C3 CB3540010 FT-1807E D1 CB3540011 FT-1807E D2 Printed Circuit Board AH023U000 FR014770B 1- C 2001 CHIP CAP. 0.001uF 50V B GRM155B11[...]

  • Page 30

    30 Parts List CNTL Unit REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR D 2002 LED SML-512WWT86 G2071104 1- A C1 D 2003 LED SML-512WWT86 G2071104 1- A C1 D 2004 LED SML-512WWT86 G2071104 1- A D1 D 2005 LED SML-512WWT86 G2071104 1- A D1 D 2006 LED SML-512WWT86 G2071104 1- A E1 D 2007 LED SML-512WWT86 G2071104 1- A F1[...]

  • Page 31

    31 Parts List CNTL Unit REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N LOT … LAY ADR R 2031 CHIP RES. 100 1/16W 5% RMC1/16S 101JTH J24189013 1- A F1 R 2032 CHIP RES. 100 1/16W 5% RMC1/16S 101JTH J24189013 1- A F1 R 2033 CHIP RES. 100 1/16W 5% RMC1/16S 101JTH J24189013 1- A F1 R 2034 CHIP RES. 10 1W 5% RMC1 100JTE J24305100 1- A G2 R 20[...]

  • Page 32

    32 Note CNTL Unit[...]

  • Page 33

    [...]

  • Page 34

    Copyright 2006 VERTEX STANDARD CO., LTD. All rights reserved No portion of this manual may be reproduced without the permission of VERTEX STANDARD CO., LTD.[...]