Standard Horizon HX370S Service Manual Download Page 12 | Manualshive

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Summary of Contents for HX370S

Page 1: ...1 SERVICE MANUAL VHF FM Marine Handheld Transceiver HX370S EM008N90B ...

Page 2: ...ating 30 minutes 1 meter depth JIS 7 Case Size W x H x D 2 3 x 4 7 x 1 2 58 x 120 x 30 5 mm Weight Approx 13 4 oz 380g with FNB 83 Transmitter RF output power 5 W 2 5 W 1 W 7 2 V Modulation Type Variable Reactance Max deviation 5 kHz Wide 2 5 kHz Narrow Spurious emissions At least 73 dB down Microphone impedance 2 k Ohm Receiver Circuit type Double conversion superheterodyne Intermediate Frequenci...

Page 3: ...GHT GUIDE RA0557900 SP NET M4090168 SPEAKER G6090158 LCD RA058900A LIGHT GUIDE RA0589100 REFLECTOR SHEET RA0589200 INTER CONNECTOR MAIN Unit RA0578200 MIC HOLDER RUBBER M3290029 MIC ELEMENT RA0337300 SHEET RA008890A O RING CP7937003 USA CP7937004 EXPORT CP7937009 AUSTRALIA REAR CASE ASSY RA0434100 SHEET Description ANTENNA CAT460 NI MH BATTERY FNB 83 WALL CHARGER NC 88B CRADLE CD 26 DC CABLE E DC ...

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

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

Page 6: ...6 Connection Diagram ...

Page 7: ...TDA2822D providing up to 400 mW of audio power to the 4 ohm loudspeaker 3 Squelch Control The squelch circuitry consists of a noise amplifier and band pass filter and noise detector within Q1039 NJM2591V When no carrier received noise at the out put of the detector stage in Q1039 NJM2591V is ampli fied and band pass filtered by the noise amplifier section of Q1039 NJM2591V and the network between ...

Page 8: ...rom the data latch section of Q1017 MB15A01PFV1 before being sent to the programma ble divider section of Q1017 MB15A01PFV1 The data latch section of Q1017 MB15A01PFV1 also re ceives serial dividing data from the microprocessor Q1066 HD64F2266 which causes the pre divided VCO signal to be further divided in the programmable divider sec tion depending upon the desired receive frequency so as to pro...

Page 9: ... thorough famil iarity with its correct use is necessary for complete re alignment Correction of problems caused by misalign ment resulting from use of improper test equipment is not covered under the warranty policy While most steps do not require all of the equipment listed the interactions of some adjustments may require that more complex ad justments be performed afterwards Do not attempt to p...

Page 10: ...oltage at 8 4V DC for all steps Press the S key twice to set the display to tHL tHL tHL tHL tHL The transceiver now is in the Squelch ThresholdAlign ment Mode Set the RF signal generator output to 155 600 MHz at a level of 12 dBμ with 3 5 kHz deviation with a 1 kHz audio tone Press the PRESET key to read the Squelch Thresh old data Press the H L key twice Press the PRESET key to exit the Squelch T...

Page 11: ...put power to 1 0 W 0 05 W Press the PRESET key to exit the Transmitter Low Power Output Alignment Mode Transmitter Modulation Press the S key to set the display to dEu dEu dEu dEu dEu The trans ceiver now is in the Transmitter Modulation Align ment Mode Set the AF generator output to 50 mV rms 1 kHz Press the PRESET key to enable adjustment of the Transmitter Modulation Press the PTT key to cause ...

Page 12: ...12 Alignment Note ...

Page 13: ...V RX 8 40 V TX 8 20 V RX 6 30 V TX 6 70 V RX 2 10 V TX 0 V 0 80 V 0 80 V RX 0 30 V TX 0 97 V RX 1 94 V TX 0 80 V RX 0 40 V TX 1 00 V RX 0 80 V TX 2 50 V 3 00 V RX 0 V TX 1 20 V RX 7 00 V TX 6 50 V RX 0 V TX 2 90 V RX 0 V TX 2 96 V 0 V 0 V 0 V 0 58 V RX 4 80 V TX 2 00 V RX 1 00 V TX 0 V RX 0 V TX 2 30 V RX 8 40 V TX 8 20 V RX 0 V TX 2 38 V RX 0 V TX 5 16 V RX 0 V TX 1 10 V RX 0 V TX 1 10 V RX 0 V T...

Page 14: ...14 MAIN Unit Lot 1 3 Note ...

Page 15: ...23 DTA114TE 94 Q1003 DTC143ZE E23 Q1005 S 812C30AMC Q1008 HD64F2266 Q1024 LM2904PWR Q1062 1079 RD07MVS1 Q1045 UMD2N D2 Q1009 DA221 K D1002 1011 1SS321 F9 D1035 2SA1774 FR Q1022 FMMTL718 Q1014 2SC4617 BR Q1004 1021 1026 1030 1035 1044 2SC5374 NA Q1055 FMMTL618 Q1031 AT24C128N Q1067 M62364FP Q1033 ...

Page 16: ...2SC5231 C9 Q1012 2SC5374 NA Q1013 1016 1024 DTA143XE 33 Q1029 DTC144EE 26 Q1041 1050 1059 1061 1063 1064 1080 TDA2822D013 1010 MB15A01PFV1 Q1017 NJM2591V Q1039 UMW1 W1 Q1020 1028 DA221 K D1013 1028 1039 1046 DAN222 N D1015 1026 1038 DAN235E D1012 2SJ347 KS Q1011 2SJ364 4M Q1042 1043 1048 1049 2SK3074 WA Q1036 3SK320 U7 Q1054 DTA114TE 94 Q1002 DTA144EE 16 Q1006 LM2904PWR Q1075 1078 LM2902PWR Q1074 ...

Page 17: ...V RX 8 40 V TX 8 20 V RX 6 30 V TX 6 70 V RX 2 10 V TX 0 V 0 80 V 0 80 V RX 0 30 V TX 0 97 V RX 1 94 V TX 0 80 V RX 0 40 V TX 1 00 V RX 0 80 V TX 2 50 V 3 00 V RX 0 V TX 1 20 V RX 7 00 V TX 6 50 V RX 0 V TX 2 90 V RX 0 V TX 2 96 V 0 V 0 V 0 V 0 58 V RX 4 80 V TX 2 00 V RX 1 00 V TX 0 V RX 0 V TX 2 30 V RX 8 40 V TX 8 20 V RX 0 V TX 2 38 V RX 0 V TX 5 16 V RX 0 V TX 1 10 V RX 0 V TX 1 10 V RX 0 V T...

Page 18: ...18 MAIN Unit Lot 4 7 Note ...

Page 19: ...23 DTA114TE 94 Q1003 DTC143ZE E23 Q1005 S 812C30AMC Q1008 HD64F2266 Q1024 LM2904PWR Q1062 1079 RD07MVS1 Q1045 UMD2N D2 Q1009 DA221 K D1002 1011 1SS321 F9 D1035 2SA1774 FR Q1022 FMMTL718 Q1014 2SC4617 BR Q1004 1021 1026 1030 1035 1044 2SC5374 NA Q1055 FMMTL618 Q1031 AT24C128N Q1067 M62364FP Q1033 ...

Page 20: ...2SC5231 C9 Q1012 2SC5374 NA Q1013 1016 1024 DTA143XE 33 Q1029 DTC144EE 26 Q1041 1050 1059 1061 1063 1064 1080 TDA2822D013 1010 MB15A01PFV1 Q1017 NJM2591V Q1039 UMW1 W1 Q1020 1028 DA221 K D1013 1028 1039 1046 DAN222 N D1015 1026 1038 DAN235E D1012 2SJ347 KS Q1011 2SJ364 4M Q1042 1043 1048 1049 2SK3074 WA Q1036 3SK320 U7 Q1054 DTA114TE 94 Q1002 DTA144EE 16 Q1006 LM2904PWR Q1075 1078 LM2902PWR Q1074 ...

Page 21: ...V RX 8 40 V TX 8 20 V RX 6 30 V TX 6 70 V RX 2 10 V TX 0 V 0 80 V 0 80 V RX 0 30 V TX 0 97 V RX 1 94 V TX 0 80 V RX 0 40 V TX 1 00 V RX 0 80 V TX 2 50 V 3 00 V RX 0 V TX 1 20 V RX 7 00 V TX 6 50 V RX 0 V TX 2 90 V RX 0 V TX 2 96 V 0 V 0 V 0 V 0 58 V RX 4 80 V TX 2 00 V RX 1 00 V TX 0 V RX 0 V TX 2 30 V RX 8 40 V TX 8 20 V RX 0 V TX 2 38 V RX 0 V TX 5 16 V RX 0 V TX 1 10 V RX 0 V TX 1 10 V RX 0 V T...

Page 22: ...22 MAIN Unit Lot 8 18 Note ...

Page 23: ...023 DTA114TE 94 Q1003 DTC143ZE E23 Q1005 S 812C30AMC Q1008 HD64F2266 Q1024 LM2904PWR Q1062 1079 RD07MVS1 Q1045 UMD2N D2 Q1009 DA221 K D1002 1011 1SS321 F9 D1035 2SA1774 FR Q1022 FMMTL718 Q1014 2SC4617 BR Q1004 1021 1026 1030 1035 1044 2SC5374 NA Q1055 FMMTL618 Q1031 AT24C128N Q1067 M62364FP Q1033 ...

Page 24: ...2SC5231 C9 Q1012 2SC5374 NA Q1013 1016 1024 DTA143XE 33 Q1029 DTC144EE 26 Q1041 1050 1059 1061 1063 1064 1080 TDA2822D013 1010 MB15A01PFV1 Q1017 NJM2591V Q1039 UMW1 W1 Q1020 1028 DA221 K D1013 1028 1039 1046 DAN222 N D1015 1026 1038 DAN235E D1012 2SJ347 KS Q1011 2SJ364 4M Q1042 1043 1048 1049 2SK3074 WA Q1036 3SK320 U7 Q1054 DTA114TE 94 Q1002 DTA144EE 16 Q1006 LM2904PWR Q1075 1078 LM2902PWR Q1074 ...

Page 25: ... RX 8 40 V TX 8 20 V RX 6 30 V TX 6 70 V RX 2 10 V TX 0 V 0 80 V 0 80 V RX 0 30 V TX 0 97 V RX 1 94 V TX 0 80 V RX 0 40 V TX 1 00 V RX 0 80 V TX 2 50 V 3 00 V RX 0 V TX 1 20 V RX 7 00 V TX 6 50 V RX 0 V TX 2 90 V RX 0 V TX 2 96 V 0 V 0 V 0 V 0 58 V RX 4 80 V TX 2 00 V RX 1 00 V TX 0 V RX 0 V TX 2 30 V RX 8 40 V TX 8 20 V RX 0 V TX 2 38 V RX 0 V TX 5 16 V RX 0 V TX 1 10 V RX 0 V TX 1 10 V RX 0 V TX...

Page 26: ...26 MAIN Unit Lot 19 Note ...

Page 27: ...23 DTA114TE 94 Q1003 DTC143ZE E23 Q1005 S 812C30AMC Q1008 HD64F2266 Q1024 LM2904PWR Q1062 1079 RD07MVS1 Q1045 UMD2N D2 Q1009 DA221 K D1002 1011 1SS321 F9 D1035 2SA1774 FR Q1022 FMMTL718 Q1014 2SC4617 BR Q1004 1021 1026 1030 1035 1044 2SC5374 NA Q1055 FMMTL618 Q1031 AT24C128N Q1067 M62364FP Q1033 ...

Page 28: ...SC5231 C9 Q1012 2SC5374 NA Q1013 1016 1024 DTA143XE 33 Q1029 DTC144EE 26 Q1041 1050 1059 1061 1063 1064 1080 TDA2822D013 1010 MB15A01PFV1 Q1017 NJM2591V Q1039 UMW1 W1 Q1020 1028 DA221 K D1013 1028 1039 1046 DAN222 N D1015 1026 1038 DAN235E D1012 2SJ347 KS Q1011 2SJ364 4M Q1042 1043 1048 1049 2SK3074 WA Q1036 3SK320 U7 Q1054 DTA114TE 94 Q1002 DTA144EE 16 Q1006 LM2904PWR Q1075 1078 LM2902PWR Q1074 1...

Page 29: ...C 1024 CHIP CAP 0 001uF 50V B GRM155B11H102KA01D K22178809 USA 19 B b3 C 1025 CHIP CAP 15pF 50V CH UMK105CH150JV F K22178262 1 6 B b3 C 1025 CHIP CAP 15pF 50V CH GRM1552C1H150GZ01 K22178300 7 B b3 C 1026 CHIP CAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 18 B b3 C 1026 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 AUSTRALIA 19 41 B b3 C 1026 CHIP CAP 0 01uF 25V B GRM155B11E103KA01D K22148834 A...

Page 30: ... CHIP CAP 1uF 6 3V B GRM155B30J105KE18D K22088803 22 B b3 C 1080 CHIP CAP 5pF 50V CH UMK105CH050CV F K22178253 1 B c4 C 1081 CHIP CAP 5pF 50V CH UMK105CH050CV F K22178253 1 B c4 C 1082 CHIP CAP 5pF 50V CH UMK105CH050CV F K22178253 1 7 B a3 C 1082 CHIP CAP 4pF 50V CH UMK105CH040CV F K22178252 8 B a3 C 1083 CHIP CAP 5pF 50V CH UMK105CH050CV F K22178253 1 B a3 C 1084 CHIP CAP 10pF 50V CH UMK105CH100D...

Page 31: ...4 42 B a1 C 1149 CHIP CAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 A C3 C 1150 CHIP CAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 A B1 C 1152 CHIP CAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 A B3 C 1153 CHIP CAP 33pF 50V CH GRM1552C1H330JZ01D K22178224 1 B f4 C 1154 CHIP CAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 A B4 C 1155 CHIP CAP 0 047uF 10V B GRM155B11A473KA01D K22108801 1 A...

Page 32: ...4C1HR50BZ01D K22178285 1 B e3 C 1200 CHIP TA CAP 10uF 10V TEESVA1A106M8R K78100028 1 B c2 C 1201 CHIP CAP 0 1uF 10V B GRM155B11A104KA01D K22108802 1 3 C 1202 CHIP CAP 0 0022uF 50V B GRP155B11H222JA01E K22178837 1 B c3 C 1203 CHIP CAP 0 01uF 16V B GRP155B11C103JA01E K22128814 1 B c3 C 1204 CHIP CAP 0 01uF 16V B GRP155B11C103JA01E K22128814 1 B c3 C 1205 CHIP CAP 0 1uF 10V B GRM155B11A104KA01D K2210...

Page 33: ...0V CH UMK105CH150JV F K22178262 1 B g3 C 1260 CHIP CAP 0 047uF 10V B GRM155B11A473KA01D K22108801 1 A B3 C 1261 CHIP CAP 0 015uF 50V F UMK105F153ZW F K22179018 1 B e3 C 1262 CHIP CAP 0 022uF 16V B GRM155B11C223KA01D K22128806 1 B e2 C 1263 CHIP CAP 150pF 25V CH TMK105CH151JV F K22148242 1 B e3 C 1264 CHIP CAP 560pF 50V B UMK105B561KW F K22178826 1 B e3 C 1265 CHIP CAP 0 001uF 50V B GRM155B11H102KA...

Page 34: ...1E103KA01D K22148834 AUSTRALIA 42 B a2 CD1001 CERAMIC DISC JTBC450C7 H7901500 1 29 B a2 CD1001 CERAMIC DISC JTBM450CX7 H7901520 30 B a2 CF1001 CERAMIC FILTER LTWC450G H3900562 1 B b1 CF1002 CERAMIC FILTER LTWC450F H3900563 1 B a1 D 1001 DIODE 1SS400 TE61 G2070634 1 B a3 D 1002 DIODE DA221 TL G2070178 1 A A2 D 1003 DIODE 1SS400 TE61 G2070634 1 B e1 D 1004 DIODE EDZ TE 61 5 1B G2070998 1 A A2 D 1005...

Page 35: ...OIL E2 0 45 1 4 4T L L0022391 1 B f3 L 1013 COIL E2 0 35 1 6 4T L L0022456 1 B f4 L 1014 M RFC 1uH ELJ ND1R0JF L1690977 1 B e2 L 1015 M RFC 0 1uH TFL0816 100N L1690981 1 18 B e2 L 1015 M RFC 0 27uH 2 C1608CB R27G RF L1691104 AUSTRALIA 19 B e2 L 1015 M RFC 0 1uH TFL0816 100N L1690981 EXPORT 19 B e2 L 1015 M RFC 0 1uH TFL0816 100N L1690981 USA 19 B e2 L 1016 CHIP COIL 0 082uH 2 LQW18AN82NG00D L16908...

Page 36: ...45 FET RD07MVS1 T12 G3070320 1 A C3 Q 1045 FET RD07MVS1 T12 B G3070320B 17 A C3 Q 1045 FET RD07MVS1A T12 G3070352 18 A C3 Q 1046 TRANSISTOR 2SC4400 4 TL G3344008D 1 B d1 Q 1047 TRANSISTOR 2SC4617 TL R G3346178R 1 B b2 Q 1048 FET 2SJ364 R TX G3703648R 1 3 B c3 Q 1048 FET 2SJ347 TE85L F G3703477 4 B c3 Q 1049 FET 2SJ364 R TX G3703648R 1 17 B d3 Q 1049 FET 2SJ364 Q TX G3703648Q 18 B d3 Q 1050 TRANSIS...

Page 37: ...2k 1 16W 5 RMC1 16S 223JTH J24189041 1 B a3 R 1029 CHIP RES 100 1 16W 5 RMC1 16S 101JTH J24189013 1 A A2 R 1030 CHIP RES 4 7 1 16W 5 RMC1 16S 4R7JTH J24189066 1 B g2 R 1031 CHIP RES 4 7 1 16W 5 RMC1 16S 4R7JTH J24189066 1 B g2 R 1032 CHIP RES 180k 1 16W 5 RMC1 16S 184JTH J24189052 1 B f1 R 1033 CHIP RES 0 1 16W 5 RMC1 16S JPTH J24189070 1 B f1 R 1034 CHIP RES 470k 1 16W 5 RMC1 16S 474JTH J24189057...

Page 38: ... 1102 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 B g1 R 1103 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 B g1 R 1104 CHIP RES 470k 1 16W 5 RMC1 16S 474JTH J24189057 18 A A1 R 1105 CHIP RES 22k 1 16W 5 RMC1 16S 223JTH J24189041 1 17 A A1 R 1105 CHIP RES 68k 1 16W 5 RMC1 16S 683JTH J24189047 18 A A1 R 1107 CHIP RES 82k 1 16W 5 RMC1 16S 823JTH J24189048 1 B f2 R 1108 CHIP RES 82k 1 16W 5 RM...

Page 39: ...103JTH J24189037 1 B a1 R 1172 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 B a2 R 1173 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 B a1 R 1174 CHIP RES 4 7k 1 16W 5 RMC1 16S 472JTH J24189033 1 B a1 R 1175 CHIP RES 47 1 16W 5 RMC1 16S 470JTH J24189009 1 B a1 R 1176 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 B a1 R 1177 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 B a1 R 1178 CHIP...

Page 40: ...5 RMC1 16S 103JTH J24189037 AUSTRALIA 19 B e2 R 1234 CHIP RES 2 2k 1 16W 5 RMC1 16S 222JTH J24189029 EXPORT 19 B e2 R 1234 CHIP RES 2 2k 1 16W 5 RMC1 16S 222JTH J24189029 USA 19 B e2 R 1237 CHIP RES 22k 1 16W 0 5 MCR01MZPD2202 J24189378 1 B c3 R 1238 CHIP RES 10k 1 16W 0 5 MCR01MZPD1002 J24189374 1 B c3 R 1239 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 3 A F2 R 1239 CHIP RES 10k 1 16W 5 RMC...

Page 41: ...JTH J24189036 1 A A3 R 1308 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 B c2 R 1309 CHIP RES 68k 1 16W 5 RMC1 16S 683JTH J24189047 1 B e2 R 1310 CHIP RES 47k 1 16W 5 RMC1 16S 473JTH J24189045 1 B d2 R 1311 CHIP RES 390k 1 16W 5 RMC1 16S 394JTH J24189056 1 B e2 R 1312 CHIP RES 390k 1 16W 5 RMC1 16S 394JTH J24189056 1 B e2 R 1313 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 A D3 R 1314 CHIP ...

Page 42: ...IA 19 20 B a2 R 1363 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 AUSTRALIA 21 B a2 R 1364 CHIP RES 0 1 16W 5 RMC1 16S JPTH J24189070 AUSTRALIA 19 B a2 RB1001 BLOCK RES SR4E103JT J42900027 1 A E2 RB1002 BLOCK RES SR4E203JT J42900028 1 A E2 RB1003 BLOCK RES SR4E103JT J42900027 1 A D3 RB1004 BLOCK RES SR4E203JT J42900028 1 A D3 S 1001 TACT SWITCH SKQTLA N5090110 1 B g4 S 1002 TACT SWITCH SKQTLA N5...

Page 43: ...43 Note ...

Page 44: ...NDARD CO LTD All rights reserved No portion of this manual may be reproduced without the permission of VERTEX STANDARD CO LTD Marine Division of VERTEX STANDARD US Headquarters 10900 Walker Street Cypress CA 90630 U S A ...

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