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Standart Horizont HX380 Service Manual

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VHF FM Marine Transceiver
HX380
SERVICE MANUAL
EM039N90A
1

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Summary of Contents for Standart Horizont HX380

  • Page 1 VHF FM Marine Transceiver HX380 SERVICE MANUAL EM039N90A...

  • Page 2: Specifications

    Measured in accordance with TIA/EIA-603. Important Note The HX380 was assembled using Pb (lead) free solder, based on the RoHS specification. Only lead-free solder (Alloy Composition: Sn-3.0Ag-0.5Cu) should be used for repairs performed on this appara- tus. The solder stated above utilizes the alloy composition required for compliance with the lead-free specifica-...

  • Page 3: Exploded View & Miscellaneous Parts

    Exploded View & Miscellaneous Parts CP9671001 FRONT PANEL ASSY RA1096000 (includes Speaker & Window) COIL SPRING (085RIGHT) RA1079500 RA107910A RUBBER PACKING (VOL) LATCH NAIL RA1193900 RA119510A VOLUME KNOB LATCH PLATE RA046760A O RING (ANT) RA1194400 HOLDER (PTT) RA1079400 RA108700B RING NUT (VOL) KNOB SCREW (SP/MIC) RA125280B RA1194300...
  • Page 4 Note...
  • Page 5 Block Diagram...
  • Page 6 Note...

  • Page 7: Circuit Description

    Circuit Description Q1046 (BA4116FV), which removes amplitude variations 1. Circuit Configuration by in the 450 kHz IF, before detection of the speech by the Frequency ceramic discriminator CD1001 (JTBM450CX24). The receiver is a double-conversion superheterodyne 2-4. A UDIO AMPLIFIER with a first intermediate frequency (IF) of 67.65 MHz and Detected signal from Q1046 (BA4116FV) is applied to De- a second IF of 450 kHz.

  • Page 8: Pll Frequency Synthesizer

    Circuit Description 3-2. D While the radio is transmitting, the TX VCO Q1042 RIVE AND INAL AMPLIFIER (2SC4227) generates a frequency between 156.025 and The modulated signal from the TX VCO Q1042 (2SC4227) 162.000 MHz (Marine band) or 134.000 and 174.000 MHz is buffered by Q1038 (2SC5005).

  • Page 9: Required Test Equipment

    Alignment The HX380 has been carefully aligned at the factory for Required Test Equipment the specified performance across the marine and LMR RF Signal Generator with calibrated output level at bands. 200 MHz Frequency Counter: >0.1 ppm accuracy at 200 MHz...
  • Page 10 Alignment Entering the Alignment mode Receiver Section Press and hold in the [ H/L ] , [ ] and [ CLR ] keys while Squelch Gain Adjustment turn the transceiver on to enter the alignment mode. Referring to the “Receiver Section Alignment Setup” on the next page, connect the RF Signal Generator to PLL Section the antenna jack, and connect the DC voltmeter to...
  • Page 11 Alignment Squelch Threshold Adjustment (Wide Bandwidth) Squelch Threshold Adjustment (Narrow Bandwidth) Press the [ ] or [ ] key to select Press the [ ] or [ ] key to select the display to “N TH W”. the display to “N TH N”. Press the [ SQL ] key to enable ad- Press the [ SQL ] key to enable ad- justment of the Squelch Threshold...
  • Page 12 Alignment Squelch Tight Adjustment (Wide Bandwidth) Squelch Tight Adjustment (Narrow Bandwidth) Press the [ ] or [ ] key to select Press the [ ] or [ ] key to select the display to “N TI W”. the display to “N TI N”. Press the [ SQL ] key to enable ad- Press the [ SQL ] key to enable ad- justment of the Squelch Tight level.

  • Page 13: Transmitter Section

    Alignment Press the [ ] key twice to change Transmitter Section the “H” character to “L” at the TX Power Adjustment (Hi Power) lower right corner of the display. Connect the wattmeter and dummy load to the an- Press the [ H/L ] key to enable ad- tenna jack.
  • Page 14 Alignment TX Deviation Adjustment (Max Deviation) TX Deviation Adjustment (Modulation Balance) Connect the wattmeter and dummy load to the an- Connect the wattmeter and dummy load to the an- tenna jack, then connect the deviation meter to the tenna jack, then connect the deviation meter to the antenna jack through the VHF sampling coupler.

  • Page 15: Exit From The Alignment Mode

    Alignment TX Deviation Adjustment (DCS) Connect the wattmeter and dummy load to the an- tenna jack, then connect the deviation meter to the antenna jack through the VHF sampling coupler. Press the [ ] or [ ] key to select the display to “DCS”.
  • Page 16 Note...
  • Page 17 MAIN Unit Circuit Diagram RX: 2.0 V RX: 4.6 V TX: 0 V 700 mV (P-P) RX: 3.5 V TX: 0 V RX: 1.5 V RX: 0.8 V RX: 0.8 V TX: 0 V RX: 0 V TX: 0 V TX: 0 V TX: 0 V TX (HI): 1.6 V...
  • Page 18 MAIN Unit Note...
  • Page 19 MAIN Unit Parts Layout (Side A) R5F2L3ACANFP TDA2822L LM2904PWR DTA144EE (16) DTC114TE (04) DTC144EE (26) S-80835CNMC UMD5N RTM002P02 2SC4617 (BR) DA221 (K) (Q1035) (Q1005) (Q1012) (Q1034) (Q1003, 1004) (Q1022, 1056) (Q1023) (Q1013, 1015, (Q1021) (Q1029) (D1024) 1016, 1055) DAN222 (N) (D1041, D1042)
  • Page 20 MAIN Unit Parts Layout (Side B) BA4116FV LM2902PWR 2SA1774 (FR) 2SC4215Y (QY) DTC114TE (04) RQA0004PXDQS (PX) S-812C35AUA TAR5S50U DAN222 2SK508 (K52) CPH6102 (AB) UMD5N (Q1046) (Q1009, 1020, (Q1014) (Q1041) (Q1040) (Q1010) (Q1030, 1037, (Q1026) (Q1008) (Q1007) (Q1010, 1011) (D1043) 1053) 1039, 1043) MB15E03SLPFV1 2SC4227 (R32)

  • Page 21: Main Unit

    MAIN Unit Parts List DESCRIPTION VALUE TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR PCB with Components CS2087401 Printed Circuit Board AM039N000 FR0209200 C 1001 CHIP CAP. 0.001uF GRM155B11H102KA01D K22178809 C 1002 CHIP CAP. 0.001uF GRM155B11H102KA01D K22178809 C 1004 CHIP CAP.
  • Page 22 MAIN Unit Parts List DESCRIPTION VALUE TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR C 1077 CHIP CAP. 10uF 6.3V JMK212BJ106KG-T K22080802 C 1078 CHIP CAP. 10uF 6.3V JMK212BJ106KG-T K22080802 C 1080 CHIP CAP. 10uF 6.3V JMK212BJ106KG-T K22080802 C 1082 CHIP TA.CAP.
  • Page 23 MAIN Unit Parts List DESCRIPTION VALUE TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR C 1160 CHIP CAP. GRM1552C1H7R0BZ01D K22178294 C 1161 CHIP CAP. 0.01uF GRM155B11E103KA01D K22148834 C 1163 CHIP CAP. 0.1uF GRM155B11A104KA01D K22108802 C 1164 CHIP CAP. 0.01uF GRM155B11E103KA01D K22148834...
  • Page 24 MAIN Unit Parts List DESCRIPTION VALUE TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR C 1240 CHIP CAP. 0.1uF GRM155B11A104KA01D K22108802 C 1241 CHIP TA.CAP. 3.3uF TEESVA1C335M8R K78120021 C 1242 CHIP TA.CAP. 0.1uF TEESVA1V104M8R K78160025 C 1244 CHIP CAP. 0.1uF GRM155B11A104KA01D K22108802...
  • Page 25 MAIN Unit Parts List DESCRIPTION VALUE TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR D 1005 DIODE RLS135 TE-11 G2070128 D 1012 DIODE 1SV325(TPH3.F) G2070848 D 1013 DIODE 1SV325(TPH3.F) G2070848 D 1015 DIODE EDZ TE-61 3.9B G2071004 D 1016 19-213/S2C-AN1P2B/3T G2071096 D 1018...
  • Page 26 MAIN Unit Parts List DESCRIPTION VALUE TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR L 1032 M.RFC 0.22uH HK1608 R22J-T L1690940 L 1033 COIL 0.033uH AS030621-33NK L0022586 L 1034 M.RFC 0.22uH HK1608 R22J-T L1690940 L 1035 M.RFC 3.3uH LK1608 3R3K-T L1690686 L 1036...
  • Page 27 MAIN Unit Parts List DESCRIPTION VALUE TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR R 1017 CHIP RES. 1/16W RMC1/16S JPTH J24189070 R 1018 CHIP RES. 1/16W RMC1/16S JPTH J24189070 R 1019 CHIP RES. 120k 1/16W 0.5% MCR01MZPD1203 J24189387 R 1020 CHIP RES.
  • Page 28 MAIN Unit Parts List DESCRIPTION VALUE TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR R 1090 CHIP RES. 1/16W RMC1/16S 181JTH J24189016 R 1091 CHIP RES. 1/16W RMC1/16S 103JTH J24189037 R 1092 CHIP RES. 1/16W 0.5% MCR01MZPD3302 J24189380 R 1093 CHIP RES.
  • Page 29 MAIN Unit Parts List DESCRIPTION VALUE TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR R 1169 CHIP RES. 1/16W RMC1/16S 331JTH J24189019 R 1170 CHIP RES. 1/16W RMC1/16S JPTH J24189070 R 1171 CHIP RES. 1/16W RMC1/16S 333JTH J24189043 R 1172 CHIP RES.
  • Page 30 MAIN Unit Parts List DESCRIPTION VALUE TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR R 1247 CHIP RES. 4.7k 1/16W RMC1/16S 472JTH J24189033 R 1248 CHIP RES. 1/16W RMC1/16S 103JTH J24189037 R 1250 CHIP RES. 1/16W 0.5% MCR01MZPD5602 J24189383 R 1251 CHIP RES.

  • Page 31: Charger Cradle

    CD-48 Charger Cradle Exploded View RA1209000 CASE (CHARGER) CHARGER UNIT : When removing the Charger Unit from the Case, gently pull on the charger unit while pushing the three charging terminals from the outside of the Œ case. RA1236500 (x 2 pcs) Œ...

  • Page 32: Parts Layout

    CD-48 Charger Cradle Parts Layout (Side A) (Side B) BAJ2CC0FP 2SB1201S NJM12903R (Q3002) (Q3007) (Q3001) 2SA1774 (FR) DTC124EU (25) DTC144EE (26) (Q3006) (Q3008) (Q3003, 3004, 3005)
  • Page 33 CD-48 Charger Cradle Parts List DESCRIPTION VALUE TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR Printed Circuit Board AM039N000 FR0209400 C 2001 CHIP CAP. 0.1uF GRM188B11C104KA01D K22124805 C 2002 CHIP CAP. 0.1uF GRM21BB11E104KA01L K22140811 C 2003 CHIP CAP. 0.1uF GRM188B11C104KA01D K22124805...

  • Page 34: Parts List

    CD-48 Charger Cradle Parts List DESCRIPTION VALUE TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR R 2035 CHIP RES. 2.2k 1/10W RMC1/10T 222J J24205222 R 2039 CHIP RES. 1/16W RMC1/16 223JATP J24185223 R 2040 CHIP RES. 1/16W RMC1/16 473JATP J24185473 R 2041 CHIP RES.
  • Page 35 1 2 3 HX380 Main Unit Circuit Diagram 5 6 7...
  • Page 36 1 2 3 HX380 Main Unit Circuit Diagram 5 6 7...
  • Page 37 1 2 3 HX380 Main Unit Circuit Diagram 5 6 7...
  • Page 38 1 2 3 HX380 Main Unit Circuit Diagram 5 6 7...
  • Page 39 1 2 3 HX380 Main Unit Circuit Diagram 5 6 7...
  • Page 40 1 2 3 HX380 Main Unit Circuit Diagram 5 6 7...
  • Page 41 1 2 3 HX380 Main Unit Circuit Diagram 5 6 7...
  • Page 42 1 2 3 HX380 Main Unit Circuit Diagram 5 6 7...
  • Page 43 HX380 Main Unit (Side “A”) Parts Layout...
  • Page 44 HX380 Main Unit (Side “A”) Parts Layout...
  • Page 45 HX380 Main Unit (Side “B”) Parts Layout...
  • Page 46 HX380 Main Unit (Side “B”) Parts Layout...
  • Page 47 Note...
  • Page 48 VERTEX STANDARD CO., LTD. Copyright 2010 4-8-8 Nakameguro, Meguro-Ku, Tokyo 153-8644, Japan VERTEX STANDARD CO., LTD. VERTEX STANDARD All rights reserved. US Headquarters 10900 Walker Street, Cypress, CA 90630, U.S.A. No portion of this manual YAESU UK LTD. may be reproduced Unit 12, Sun Valley Business Park, Winnall Close without the permission of Winchester, Hampshire, SO23 0LB, U.K.

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