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Standart Horizont HX500S Service Manual

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VHF/FM Marine Handheld Transceiver
HX500S
SERVICE MANUAL
EM018N90A
1

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Summary of Contents for Standart Horizont HX500S

  • Page 1 VHF/FM Marine Handheld Transceiver HX500S SERVICE MANUAL EM018N90A...

  • Page 2: Specifications

    Specifications General Frequency range (MHz): 156 MHz - 163.275 MHz (Marine Band + WX Band) Channel Steps: 25 kHz Frequency stability: ± 10 ppm (–4 °F to +140 °F [–20 °C to +60 °C]) Emission type: 16K0G3E Antenna impedance: 50 Ohms Supply voltage: Nominal: 7.2 V DC, Negative Ground (Battery Terminal)

  • Page 3: Exploded View & Miscellaneous Parts

    Exploded View & Miscellaneous Parts RA057720A RA0789100 LIGHT GUIDE(LED) WINDOW RA0401600 O RING RA0786600 DOUBLE FACE RA0478700 SHEET5.6M-TEX1131 RA0789000 RA0768200 RUBBER KNOB(8KEY) RUBBER CAP(MIC) RA0789500 RA0776700 O RING (KNOB VOL) HOLDER(PTT) RA0778300 VOLUME KNOB RA0788900 CP8528001 FRONT PANEL FRONT PANEL ASSY RA076850A RA0557900 RUBBER KNOB(PTT)
  • Page 4 Exploded View & Miscellaneous Parts Note...
  • Page 5 Block Diagram...
  • Page 6 Block Diagram...

  • Page 7: Circuit Description

    Circuit Description C1182 and the operational amplifier between pins 7 and 8 1. Receive Signal Path within IF IC Q1063. They are then rectified by D1032 and Received VHF band signals pass through the low-pass fil- D1034 (DA221) to obtain a DC voltage corresponding to ter (coils L1029, L1031, and L1032, capacitors C1273, C1283, the level of noise.
  • Page 8 Circuit Description comparative frequency divider and reference frequency pulse is input to the charge pump, and the output from divider to set a frequency dividing ratio for each. An 11.7 the charge pump passes through a loop filter composed MHz reference signal produced by X1001 is input to REF of L1005, R1142, C1098, R1143, C1104, R1151, and C1110, pin 1 of the PLL IC.

  • Page 9: Required Test Equipment

    Alignment The HX500S has been carefully aligned at the factory for Required Test Equipment the specified performance across the land marine band. RF Signal Generator with calibrated output level at 200 MHz Realignment should therefore not be necessary except in Deviation Meter (linear detector) the event of a component failure.

  • Page 10: Before Alignment

    Alignment Before Alignment Transmitter Power Output 1. Press and hold in the SQL switch while turning the Low Power Adjustment transceiver on to enter the Setup Mode. Set the transceiver to CH 12, and select Low power 2. Press the SQL switch to select the Menu item “LP”. output.

  • Page 11: Transmitter Modulation

    Alignment Mid Power Adjustment Squelch Threshold and Tight Squelch Adjustment Set the transceiver to CH 12, and select Mid power Set the transceiver to CH 12. output. Press and hold in the PTT, SQL, [ ] and [ ] key while Press and hold in the PTT, SQL, [ ] and [ ] key while turning the transceiver on to enter the Alignment turning the transceiver on to enter the Alignment...
  • Page 12 Alignment Note...
  • Page 13 MAIN Unit Circuit Diagram RX: 3.1 V RX: 1.4 V TX: 3.2 V TX: 1.6 V RX: 0.0 V RX: 1.8 V TX: 4.8 V TX: 1.8 V RX: 4.6 V RX: 1.8 V RX: 0.0 V RX: 7.4 V TX: 1.6 V RX: 3.0 V TX: 1.8 V...
  • Page 14 MAIN Unit Note...
  • Page 15 MAIN Unit Parts Layout (Side A) LC87F7BC8A (Q1026) NJM12902V (Q1029) NJM12904R (Q1045) UMD5N DTC144EE (26) DTC143ZE (E23) NJM2125F 2SK3476 DA221 (K) DAN222 (N) (Q1011) (Q1041) (Q1024) (Q1054) (Q1066) (D1013, 1030) (D1021, 1022)
  • Page 16 MAIN Unit Parts Layout (Side B) DAN222 (N) (D1026) M62364FP (Q1014) DA221 (K) (D1031, 1032, 1034, 1045, 1051, 1054) TA31136FN (Q1063) 1SS302 (C3) (D1050) MB15A01PFV1 (Q1027) NJM12902V BR24L64F 2SC4617 (BR) UMD5N FMMTL718TA (L78) CPH6102 (AB) UMW1 (W1) DTA144EE (16) UMB3N (B3) 2SK3475 (WB) (Q1020) (Q1001, 1036,...

  • Page 17: Main Unit

    MAIN Unit Parts List DESCRIPTION VALUE TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR PCB with Components CB3294001 Printed Circuit Board. FR013830D C 1001 CHIP TA.CAP. 10uF TEMSVA1A106M-8R K78100028 C 1002 CHIP CAP. 0.1uF GRM36B104K10PT K22108802 C 1003 CHIP CAP.
  • Page 18 MAIN Unit Parts List DESCRIPTION VALUE TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR C 1099 CHIP CAP. 0.001uF GRM155B11H102KA01D K22178809 C 1101 CHIP CAP. 0.0033uF GRM155B11H332KA01D K22178815 C 1102 CHIP CAP. 15pF GRM1552C1H150JZ01D K22178216 C 1103 CHIP CAP. 0.01uF GRM36B103K16PT K22128804...
  • Page 19 MAIN Unit Parts List DESCRIPTION VALUE TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR C 1194 CHIP CAP. 0.001uF GRM155B11H102KA01D K22178809 C 1195 CHIP CAP. 0.001uF GRM155B11H102KA01D K22178809 C 1196 CHIP TA.CAP. 22uF 6.3V TEMSVA0J226M-8R K78080047 C 1197 CHIP CAP.
  • Page 20 MAIN Unit Parts List DESCRIPTION VALUE TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR D 1001 SML-512DWT86 G2071116 D 1002 SML-512DWT86 G2071116 D 1003 CL-165HR/YG-D-T G2070860 D 1004 SML-512DWT86 G2071116 D 1005 DIODE UDZS TE-17 5.1B G2070908 D 1007 SML-512DWT86 G2071116 D 1008...
  • Page 21 MAIN Unit Parts List DESCRIPTION VALUE TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR L 1022 M.RFC 4.7uH LK1608 4R7K-T L1690688 L 1023 M.RFC 0.33uH LK1608 R33K-T L1690412 L 1024 M.RFC 4.7uH LK1608 4R7K-T L1690688 L 1025 M.RFC LK1608 1R0K-T L1690687 L 1026...
  • Page 22 MAIN Unit Parts List DESCRIPTION VALUE TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR R 1025 CHIP RES. 1/16W RMC1/16S 4R7JTH J24189066 R 1026 CHIP RES. 1/16W RMC1/16S 561JTH J24189022 R 1027 CHIP RES. 4.7k 1/16W RMC1/16S 472JTH J24189033 R 1028 CHIP RES.
  • Page 23 MAIN Unit Parts List DESCRIPTION VALUE TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR R 1116 CHIP RES. 1/16W RMC1/16S 102JTH J24189025 R 1117 CHIP RES. 1/16W RMC1/16S 102JTH J24189025 R 1120 CHIP RES. 1/16W RMC1/16S 223JTH J24189041 R 1123 CHIP RES.
  • Page 24 MAIN Unit Parts List DESCRIPTION VALUE TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR R 1200 CHIP RES. 1/16W RMC1/16S 473JTH J24189045 R 1201 CHIP RES. 1/16W RMC1/16S 153JTH J24189039 R 1204 CHIP RES. 1/16W RMC1/16S 473JTH J24189045 R 1205 CHIP RES.
  • Page 25 MAIN Unit Parts List DESCRIPTION VALUE TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR R 1331 CHIP RES. 2.2k 1/16W RMC1/16S 222JTH J24189029 R 1332 CHIP RES. 1/16W RMC1/16S 223JTH J24189041 R 1335 CHIP RES. 1/16W RMC1/16S JPTH J24189070 R 1337 CHIP RES.
  • Page 26 MAIN Unit Note...
  • Page 28 © 2006 VERTEX STANDARD CO., LTD. All rights reserved. Marine Division of VERTEX STANDARD No portion of this manual US Headquarters may be reproduced 10900 Walker Street, Cypress, CA 90630, U.S.A. without the permission of VERTEX STANDARD CO., LTD.

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