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QUEST GX1255S - R

1. RX 7 0 dBu 21 4 MHz amor gt TSV T 81068 R1071 is 81121 I 1xxx RX 1 9V 25 C1215 TS R1058 ZEER mn m eL sides SQL i B C1046 C104B Dx 3p RX 3 0 dBu o 01018 MW 18V 2 2M MW TX 0 8 V L1024 bi cH CH 18p CH Dx CJ 185 39 320 ie v 0 047 Mj on zage LON S C Syl 4 7 oz 38 1002 1004 4005 E x 8 Vx n 5 4 Q m i 251055 1 LAD21149A LOO21149A Loo22245 O x IN om m7 ax aj MATA TV dX Od MD I 5 e 21 ox x So T c1013 91014 NN e Lycra g Sv 1 0 V i als 4 279 m 2525006
2. MAIN UNIT ALIGNMENT POINT 10 Confirmation Use the key to set transceiver to high power and set the channel to With the PTT switch pressed confirm that RF power is between 23 W and 27 W Use H L key to set transceiver to low power With the PTT switch pressed confirm that RF power is between 0 5 W and 1 0 W O As descried above confirm RF power at EXP04 and EXPOS Set transceiver to high power and confirm that RF power is between 23 W and 27 W Set trans ceiver to low power and confirm that RF power is between 0 5 W and 1 0 W Adjustment of PLL Frequency Adjust the frequency in the transmit mode and local fre quency in the receive mode Adjustment Setup the test equipment as shown below AF Signal Generator Sampling Coupler Dummy Load Deviation Meter Set the channel to CH16 With the PTT switch pressed adjust TC1001 so that RF frequency is 156 80000 MHz x 50 Hz Adjustment and Confirmation of Deviation Adjust deviation in the transmit mode Adjustment
3. aspel o o gt oS gt gt pau E ER OM st i u a RF a 2 N OG HH rr 5 LL ob en k TOD 0 n Oct nz DEDZZU 484 2 2 29 5 7 O 20024 80020 1 CU Fr T 4 1 E Oct Se 5 22452 7 4 LELLA EXE x zi amp RU RH RH 42452 AAEL ESTAS By gt 0 x 5 k m 55 vvozdl l 3 2 1 MW l 7 R ess k 8100 Oe 2 3 21938 67025 1995 4 ipm 8 21985 due TO O 21935 515 02020 71885 A x DS no 5 01985 ox 590 4 i FA NOS QA M BA mna 5 85028 u 1 T NOI m AM NW el 01 9 9 i N UN 45024 1 m og m 4 gaoz Bes FR 6 m HOT TO D 6 1 u u 4 11 a vSOcH 7 1 R 1 22029 Se0 AN m i 22023 gt T JAN 9 oS D 2 1 4 NW k 05024 MOOT Z502H CW FR 1 G2023 o B BrOcH 1 gt 0 0 m X me a St m
4. y SHE C1 027 a 0 E C1004 C1013 GND Z 5 Input Drain Gate Drain Source 21019 61025 AE NJM78M05 2SK210GR YG 35 320 07 Se Ev og rn Q1003 Q1020 Q1018 11148 9 T N Ja E EWJRI 021 S Collector iN 023 E d 2 DI 004 L1005 Collector a H Gi p T 1030 c1218 gt os 1 T Dm NULL E a4 iE Base Emitter 1010 ag gd 2 BE Base Emitter Collector Base Emitter 3 25A1602A MF 25C3357 MF RT1N241M N2 2 D met i ar uc n Q1007 Q1011 Q1029 1033 gt E ES Sean EEE E men 6109 5 3 m 55555 033 T4014 H H H 91016 T T KH Collector Collector Collector 7 101012 ad HE Sto 028 T1016 M H INT 15 n RN ei ja ja DR Fr 61019 m u p SH 7 086 Base Emitter Base Emitter Base Emitter mm Eramos RT1N441U 2804154 LE DTB123EK F52 4a D 01005 1009 1010 01025 1026 01006 1023 1035 25 5006 24 55555 o Q1019 O SS mm A 5 nn IS IO PE a N N Vdd Control Anode 1 Cathode 2 hd c1072 L1012 IN OUT Vss OUT IN Cathode 1 Anode 2 1 02 TC4S66F 1 302 C3 Kia un eines N Q
5. JP1001 TP1019 TC1001 T1005
6. UJ UJ UJ EE II I 001 000 GRM39B102K50PT GRM39B103M50PT GRM39B102K50PT TEMSVAO0J106M 8R GRM39B103M50PT GRM39CH101J50PT GRM39CH150J50PT GRM39B103M50PT GRM39CH150J50PT TEMSVAO0J106M 8R GRM39B103M50PT GRM39B103M50PT GRM39B103M50PT GRM39B103M50PT GRM39B103M50PT GRM39B103M50PT GRM39B103M50PT GRM39B103M50PT GRM39F104Z25PT GRM39B103M50PT GRM39B102K50PT GRM39CH102J25PT GRM39CH102J25PT MC2850 T11 1 155355 TE 17 FY1111C 722 TR FY1111C 722 TR FY1111C 722 TR FY1111C 722 TR FY1111C 722 TR FY1111C 722 TR B3B PH SM3 TB TLP281 GB TP 25 4154 11 1 1 241 11 1 M37560EFGP 0677 PST597CNR BR24C32F E2 25 4154 11 1 CPH6102 TL RMC1 16 331JATP 1 16 471JATP 1 16 222JATP RMC1 16 223JATP 1 16 223JATP 1 16 104JATP RMC1 16 103JATP RMC1 16 333JATP 1 16 473JATP 1 16 101JATP 1 16 101JATP 1 16 101JATP RMC1 16 223JATP 1 16 101JATP 1 16 101JATP RMC1 16 103JATP 1 16 123JATP RMC1 16 153JATP 1 16 472JATP RMC1 16 103JATP RMC1 16 391JATP 1 16 101JATP RMC1 16 103JATP RMC1 16 000JATP 1 16 101JATP 1 16 101JATP 1 16 101JATP 1 16 101JATP 1 16 101JATP 1 16 101JATP FR0085100 K22174821 K22174823 K22174821 K78080027 K22174823 K22174235 K22174215 K22174823 K22174215 K78080027 K22174823 K22174823 K22174823 K22174823 K22174823 K22174823 K22174823 K221
7. Sak 2SC4400 3 gog i d 3 0 1 D of qm d I 0 g a Y D 1 y MW xol5 xw mpl 95 mb IC Tob OSLO a 7 9 V SQL ON 4 8 V OL OL L sl IM EU Bol og QoS 38740 Qo 39 N SQL OFF 0 V OL oca al as DL MOSM S m lt YN al om Ta 90 m T1004 T 1002 a Ya nz TP1024 1087 NO uis m Re x 0190264 10190261 1 2 V RE dud 592 S A Y SB Rx EA 7 2 01005 95 gt de OG AW O dg uk 159302 T1003 T1004 T1005 410 0 dBu 21 4 MHz gt Bx T S I LO190262 10190262 L0190251 0 N AV TxPowerDRIv RXSV 4 I 18 4944 252 I TX HI 2 9 V 4 5 z SQL IN I al 1074 Bait amp 0929 FO ajo o 56 FU Amt 1205 11012 C1079 o a RX 6 0 dBu 21 4 MHz TX 418 0 dB ue o 77 1 ides m AR LE 7 81076 1 0 V SQL QUT 21091 TX 4 7 V SM i RA25H1516M 4 ale I a OOTY oe ROL K l 33 i LOD22550 ir RX 44V cg E Es 9 Y H1126 H1133 1137 I i NW un Jg RX 5 5 V 3 LK D 1003 C1024 R1015 81154 C1042 81026 s x I LOO21149A 22p CH 1K 10K pem CH L 1008 O 7 dyr 91127 HE HAM I MM YM RX 55V M x TX 410 dB 404 E CF1001 J 3I S Glo f Mol Ben xd Po LL D HZMS qi RE ALF YM450E K ote
8. dS 1NI dS L1NI AS LNT dS LNT 4 dS 1NI N OND N 2230980 2307980 i N Sie NS 3 IW IIN IW OIW N LAT ANY HV INT ANY HV N LAN V INN V 0 INO VH IND VH 1NI X8 INO Xd INO XL INO Xi N INO Od7 XL INO Od7 XL Der N LIV 17 N I 180 xi T E i HIOINA N gis Te ais Td G N Viva N 12 130 VM 13 N ANI TOS 462 798 N 135 INS L3S 1N3 N gt 2 9348 AS 938 AS 0 E F AG4 934 i N 2 IL g 03MS g 03MS N 3 S403MS 7 zz ub 0 gt N N E QJ 4 Z 0 m 2 Q Q 59 5 5 O 0 V Z Z 8 H H I I 73 t tu m 2 27 I I I d YUU Reception and transmission are switched by RX CNTL and TX CNTL lines from the CNTL Unit The receiver uses double conversion superheterodyne circuitry with 21 4 MHz 1st IF and 450 KHz 2nd IF The 1st local is produced by a PLL synthesizer yielding the 21 4 MHz 1st IF The 2nd local uses a 21 850 MHz crystal oscillator yielding the 450 kHz 2nd IF The 2nd mixer and other cir cuits use a custom IC to convert and amplity the 2nd IF and detect FM to obtain demodulated signals During transmit the PLL synthesizer oscillates at the desired fre quency directly for amplification to obt
9. da 33 ome aF ors SEN E SE TX 4 4 V RX 600 mVp p ETT 1 Cu Q o Ou zi JE 9 lo gm E STD MOD o ln TaN e e 7 DAN235U xd Hr SEC a 77 54 56 Qo Nu RE uM S En e E 51015 M meu mdr 221 EE ESL ER cx DR MESE QN Uy 202 E UT Lx Tu 3 6 V 81049 N T 278 Sar SE 532 S b 2504154E msi z D s e a ml aq I 77 0 D Y D 01026 n DY R C1143 E Be 4 ly m xd id 9 zo 508 592 6 8 V 8 og 550 0 1 nioB4 Rioga moss AS Jor ST 5 2 V 5 15 TXBV 3 6 V ST gt 2219 2 B m a amp E 16V RPK NAME Be EN 1 FLS gt N 7 i Sly vla Eve TAR 5 7 V ola D p f nl gt m pj tt vA DN D C1173 I AIR 8 o RE Ax R os Du C1227 y ob 6 1 SER le 101818 pU NE NEN T m SET SED Sek Tox 8T BED BT 45 6 001 597 og as e T 5 Q X D Ojo B gt o UNS 8 ast zo ga NES 004 B Al a a o4 Su z E 5915 sold if M2 77 5 8V R1147 zr m ie I I Olla h ala alx R1013 470 a 51011 go gt q s 1 I o 1222 0 1 T
10. 9 EOO0cH E 1 34 a 98 R NE ae E og HI gt 55 Bede amp 4 6 022 SSESST 19 141 ao Wm gy 2 S 5 11 NU UR A FRE 1 Sn En 10022 OO O OO IR l al ala p z zz omg i R 1 2 amp ot a FULLE N NAA 27025 st E 1 tf 200201 5 1 Ox 5 QS 1 n 4 Sposa LO 1798 INI ASZ IDO O E I HAS v l m aa 4387 LNT n I lt E E i lx 40 Oo a z 2 2 0 o OY O a X d 18 EB EMI E enc a Y m 777 LD U 2 u 1 2 gt gt gt 2 N un 2 a n a lt 2 2 2 2 ul qa t dmm 7 WU Lu gt gt a a a D O 1 n Y Y Y aQ Oc Z d D J i Z x 1 14 200 09 o a go H u 22 D gt S ID dm x 4 lt gt d Y o 30 i 0 FET al 95 lt lt 0 x Z Z Z Z gt H H 23 CNTL Unit Note 24 CNTL Unit Parts Layout D g
11. SWED 01003 4 T1001 ee 01018 5V REG 052001 2004 0 O XB15A308x2 BPF 38K320 FNT SFT GWTDC575 LCD A aa oani 0 TX SV WA DET I I UNLOCK i CLK I N 02004 PLL STB M37560EFGP NMEA CLONE 04002 01001 01011 ol TX DET 5 22008 9 E KEYO i 155321 5 1516 6 4 28363357 amp 1 9 AT 5 KEVA 0 DET AF DRIVE 5 TX PO 5 DIMMEB i TX ONT KEYe 1 RX CNT KEY3 i PO m 6 MIC MUTE 92007 9805 b ozz658s68 01005 D1006 l RT1N441U DAN235U g DSC ENC BR24C32F LENET VR1001 TX PO CNT SW DSC DET EEPROM lt lt TX TI lt Z OD i N N INT SP INT SP TX CNT i SGL IN i KEY3 J MIC KEY i 512 13 SQL OUT 5 597 Sup 21 2 FM i i I CLONE NMEA CL ONE WA DET 91020 REG Q1028 Q1033 D1011 12 NMEA IN E 92002 82003 I NUM12902V 25803120 2SK210 Q1025 i PHOTO AT1N241M RT1N241M VR1002 MIC AMP T R CNTL HVC350x2 2564154 CAPPLER INV WA DET INV ys BP I i i INT SP SR LOOP FILTER RX BV gt DSC DET i DATA NJM221 1M t PLL STB FSK DEMOD I 24 85000MHz i I H L CNT UNLOCK VOL IN Ei X1001 24 85000MHz 01028 WA
12. Setup the test equipment as shown below Set the channel to CH16 Set the output of the audio generator AG to 1 kHz and 150 mV With the PTT switch pressed adjust VR1003 so that the maximum deviation is 4 5 kHz Decrease the output level of AG by 20 dB the output level of AG should be 1 10 With the PTT switch pressed adjust the output level of AG so that the deviation 1 3 0 kHz Increase the output level of AG by 20 dB 10 times of the output level of AG which is supposed to be De tective Modulation Level 4 5 kHz Repeat steps 3 though 6 three times so that deviation is 3 0 kHz and the maximum deviation is 4 4 kHz to 4 6 kHz OU anda Alignment Confirmation Set the output of the AG to 1 kHz and 150 mV Set the channel to EXP01 confirm that maximum deviation is between 4 3 kHz and 5 0 kHz Set the channel to EXP02 confirm that maximum deviation is between 4 3 kHz and 5 0 kHz Set the channel to EXP04 confirm that maximum deviation is between 4 0 kHz and 5 0 kHz Set the channel to EXP05 confirm that maximum viation is between 4 0 kHz and 5 0 kHz Q 2 UO OU Adjustment of Receiver Front end Adjust the receiver front end coil Adjustment Setup the test equipment as shown below Tracking Spectrum Generator ANT TP1013 Analizer Set the center frequency of t he spectrum analyzer to 159 00 MHz set SPAN to 20 00 MHz set RBW and VBW to 30 kHz and
13. eX XX BROOSS1OC JIN CNTI INN 3 20 OM NS Do 55 02004 20991336 MIC_K 72 a y
14. CHIP CAP GRM39B102K50PT K22174821 CHIP CAP GRM39B102K50PT K22174821 AL ELECTRO CAP RE2 25V101M 100UF K40149028 CHIP CAP GRM39B103M50PT K22174823 CHIP CAP GRM39B104K16PT K22124805 CHIP CAP GRM39CH220J50PT K22174219 CHIP CAP GRM39B102K50PT K22174821 CHIP CAP GRM39B102K50PT K22174821 CHIP CAP GRM39B102K50PT K22174821 CHIP CAP GRM39B103M50PT K22174823 CHIP CAP GRM39CH270J50PT K22174221 CHIP CAP GRM39B103M50PT K22174823 CHIP CAP GRM39B103M50PT K22174823 CHIP CAP GRM39CH080D50PT K22174209 CHIP CAP GRM39B103M50PT K22174823 AL ELECTRO CAP RC2 16V100M 4X7 K40129012 CHIP CAP GRM39B102K50PT K22174821 CHIP TA CAP TEMSVA1A475M 8R K78100022 CHIP CAP GRM39B102K50PT K22174821 CHIP CAP GRM39CK020C50PT K22174203 CHIP CAP GRM39CH101J50PT K22174235 CHIP TA CAP TEMSVA1A106M 8R K78100028 CHIP CAP GRM39CH050C50PT K22174206 CHIP CAP GRM39CH220J50PT K22174219 CHIP CAP GRM39CH180J50PT K22174217 CHIP CAP GRM39CH150J50PT K22174215 CHIP CAP GRM39B102K50PT K22174821 CHIP CAP GRM39B102K50PT K22174821 CHIP CAP GRM39B102K50PT K22174821 CHIP CAP GRM39B102K50PT K22174821 CHIP CAP GRM39B102K50PT K22174821 CHIP TA CAP TEMSVA1A106M 8R K78100028 CHIP CAP GRM39B104K16PT K22124805 CHIP CAP GRM39CK020C50PT K22174203 CHIP CAP GRM39CH050C50PT K22174206 CHIP TA CAP TEMSVA1A106M 8R K78100028 CHIP CAP GRM39CHO50C50PT 22174206 GRM39CH150J50PT K22174215 CHIP CAP GRM39B102K50PT K22174821 CHIP CAP GRM39CH080D50PT K22174209 CHIP
15. the 2nd mixer and stripped of unwanted components by ceramic filter CF1001 After passing through a limiter amplifier the signal is demodulated by the FM detector Demodulated receive audio from the IF IC is amplified by 01025 28C4154E then the signal is through the AF Mute switch 01027 TC4S66F After volume adjustment by the AF power amplifier 01031 TDA2003 the audio signal is passed to the exter nal Speaker terminal in the accessory cable and 16 Ohm internal loudspeaker Circuit Description PLL Synthesizer The 1st LO maintains stability from the PLL synthesizer by using a 21 850 MHz reference signal from crystal X1001 PLL synthesizer IC Q1017 LV2105V consists of a pres caler reference counter swallow counter programmable counter a serial data input port to set these counters based on the external data a phase comparator and a charge pump The PLL IC divides the 21 850 MHz reference signal by 874 using the reference counter 25 kHz comparison fre quency The VCO output is divided by the prescaler swallow counter and programmable counter These two signals are compared by the phase comparator and ap plied to the charge pump A voltage proportional to their phase difference is deliv ered to the low pass filter circuit then fed back to the VCO as a voltage with phase error controlling and stabilizing the oscillating frequency This synthesizer also operates as a modulator during transmit The VCO is compr
16. J24185101 J24185000 J24185101 J24185101 J24185271 J24185101 J24185473 J24185101 J24185101 J24185223 J24185473 J24185101 J24185122 J24185221 J24185102 J24185471 J24185102 J24185103 J24185272 J24185104 J24185000 J24185224 J24185331 J24185393 J24185101 J24185393 J24185221 J24185222 J24185334 J24185472 MAIN Unit Parts 151 mer DESCRIPTION VALUE VM TOL MFRSDESIG Tvxstp pn VERS lor SIDE fara rw 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 1 5 5 5 1 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 RMC1 16 103JATP RMC1 16 102JATP RMC1 16 333JATP RMC1 16 563JATP RMC1 16 223JATP RMC1 16 334JATP RMC1 16 562JATP RMC1 16 223JATP RMC1 16 472JATP RMC1 16 124JATP RMC1 16 104JATP RMC1 16 103JATP RMC1 16 104JATP RMC1 16 223JATP RMC1 16 222JATP RMC1 16 225JATP RMC1 16 153JATP RMC1 16 101JATP RMC1 16 182JATP RMC1 16 103JATP RMC1 16 153JATP RMC1 16 222JATP RMC1 16 000JATP RMC1 16 104JATP RMC1 16 104JATP RMC1 1
17. OUT so SET 287 Se BT ING ee TX HI 0 V er qe a Ju BL EE Qr 3 6 V c sa EUER gis 54 Gf 58 ATiNaatu RX 5 0 V o ik NSL Qe 2541 152GA org 11 Sf 2 5 Uy ox 4 8 V Nos a 24 R1047 1061 81064 81145 4 lt a al ul 855 5 i M ig TX LOW 5 0 V SE ST TG pos ie T 16 ni 5 le x D x au u m x x ai RX 5 0 V B AW 2 S U to Jus ta e SES 247 80 i i R PE 25 caras EN WERE OT ue 91079 0 1 c1151 1D 5 TP1007 o 4 7K 16 0 022 10v 2 5 V i OST A AF MUTE ON 0 V ANV 91175 17 TX HI 4 0V 35 101035 J AF MUTE OFF 5 0 V 2504154E 25 V iov TX LOW 0 6 V PE St il 1 100K i m Ov ax C1152 gx E o x 29 392392 192 220 gt I Sp IN 10V mv 02 2 353 C1193 i UNE 983 T 15p CH SO SN 0 9 V 1 I Os amp TP1010 81135 8 0 V 47K x AW 1 6 V i C1179 13 25V 100 1 6 Ve 12 i Qi 4 MS a1028 5 NUM12902V 1 14 C1180 RS 0 004 5 0 V I i SWEDSV 4 2 a s T Da I Tag mmm op aly UNLOCK 4 0 V i AL F og 32 91031 i 3 TO o TP1018 77 LA4425A 94 1010 P1017 C1151 C1186 1029 77 77 e 0 1 470 1 O
18. a I I Ox QJ 5 5 OtOcH ox 9 9 oS Z I I D 9 gt 9 Ox T 65 TELNDI_ MW OR DX kt E 2 Z y gt BOOTH Org 1 S UA D 69 71 I 0 0 lt ZHLNDI A AWW Ve og m SE b s e 189 3 amp 56 H _ Joo 3194 evoca or yo 0 x 4 30 2 xx a Y 1 N RT 0 m D El Wh ce a 0 xxx a AE 9 DHOH EHP HY SR SH 44660 Y THO Z AES gy 56 FIDE 1 Ch EET T as 8 M 2 N l FOOD gt gt 1 10023 m ly S m a AW 1 00T 1 od Vad og og oo Qux hi 1 Qs T f gt o mio 9 U oloy DIR EN Sy u Sue MIN ONS 52 ove 208 og og aa US QU 8 al 1 Og T b m l NY tt 5 No an 2 gos Bom IR ge029 5 e NW k 9 9 1 50025 ee x 1 AN k 33 2120291 ACE vOOZ2 co T e e s e k d 0 1 MW LO 50025 x 5 52029 1 i y Y 3 A 1 gt 9 Krk Qu 2020 LO n ad 3 k 20029 D P T N 2 m ME 152 i x MUN QUSE n E q a ot IR IR Qu AM R 1 3 6 5 20 KKK 0 M a d Fe
19. circuits and make complete performance checks to ensure compliance with factory specifications after replacing any faulty compo nents Those who do undertake any of the following alignments are cautioned to proceed at their own risk Problems caused by unauthorized attempts at realignment are not covered by the warranty policy Also Standard Horizon a division of VERTEX STANDARD must reserve the right to change circuits and alignment procedures in the inter est of improved performance without notifying owners Under no circumstances should any alignment be attempt ed unless the normal function and operation of the trans ceiver are clearly understood the cause of the malfunc tion has been clearly pinpointed and any faulty compo nents replaced and the need for realignment determined to be absolutely necessary The following test equipment and thorough familiarity with its correct use is necessary for complete realignment Correction of problems caused by misalignment result ing from use of improper test equipment is not covered under the warranty policy While most steps do not re quire all of the equipment listed the interactions of some adjustments may require that more complex adjustments be performed afterwards Do not attempt to perform only a single step unless it is clearly isolated electrically from all other steps Have all test equipment ready before be ginning and follow all of the steps in a section in the or der
20. m NN Nh EN a 8 A3 q O qx vvOzH Srozt B 1 2 HOT g 1 7020 e 910289 1 E E amm gt 0x3 o gt A ux IO cy 8 Ta gm NW 5 amp ML 0 1 MN gt 1 m l a AT a on 5 1 og a gt 2 69 89 aaa Q C 509 63 83 OD Quip Dy O 211935 69 851955 k 1 A 67 71 935 GT 022 1 OT 935 HH OT 9 PTOZO 6B 6 AN amp I I R t 81985 Oroza lNO Od XL poer IL N 7 8 MN 1985 007 amp O2H TLNITXYH SE 8 4 ANY 81985 OOT 8EOCH dirus i gt a AW A ebv029 1 5 938 OOT ZEDEH T NOT TI IR pi ae gt V 1 71958 pa DOT 9toeu JE 1N ME 9 E 1 6 93S N 16 007 VlVO 3 d TOZO o e Da gt IR gt ote Ar NW 2 938 00T mad peek d F2 a ata Hs 6 71985 5 P Su x 007 8157779 _ z 28 TEE ano 68 01988 2 Qin 1 e e 68 00A gt 0 N 1NOX TG N FR o E E 5 66 NIX 69 Dx ET S Y 1 RO la 0 UM n gt tc a Os E SENI E T xo HR 0 EG B I eS il det o 5 E WNOJ 1 139838 1 21 09 O 6 220 250 1 7109 9 0 AO2 7 Ww 68 ETA 68 NEE D
21. 1 RD4 7EB2 Side A 009100C Side B Parts List REF DESCRIPTION VALUE V W TOL X MFR SDESIG VXSTD P N VERS LOT SIDE LAY ADR C 4001 GERAMIC CAP CAP 0 001uF 50V UP050B102K A B K28179001 _____ 1 A 4001 _ TRD4 7EB2 02090158 1 4001 MIC ELEMENT EM 100PT M3290029 11 6 HO 1 6W 5 RD16PJ682 6 8 401225682 mM 1 1 R 4002 CARBON FILM RES 15k 1 6W 5 RD16PJ153 15K 101225153 1 4003 CARBON FILM RES 15 1 6W 5 RD16PJ153 15K J01225153 1 TACT SWITCH SKHHLN N5090036 1 S 4003 TACT SWITCH SKHHLN N5090036 S 4004 TACT SWITCH SKHHLN N5090036 30 13 gt STANDARD HORIZON Marine Division of VERTEX STANDARD US Headquarters 17210 Edwards Rd Cerritos 90703 U S A 2000 VERTEX STANDARD LTD All rights reserved No portion of this manual may be reproduced without the permission of VERTEX STANDARD Printed in Japan 0012K 0Y
22. 1037 1030 D1005 E E Eis y E Eu T E 11005 T1 004 5 Side A 15 MAIN Unit Parts Layout EE a NJM2212M Q1032 Cathode 1 2 Anode 1 2 155321 c TP1029 D1002 DAN235U M TE 5 01006 81006 2612 SE ee dI JE 21007 151206 C1041 1045 EN HE c1047 RTT58 TE ctos2 du v R1055 C1050 ano v R 052 5 lt u 050 JER 55 EH 022 32 1052 9 sa Er 1093 22 1 1215 ER RI144 C1200 C1470 81112 22 Eum sla pry dag 5 RI115 RA Side B 16 Collector Base Emitter 2SA1162GR SG Q1036 Cathode Anode N C HZM5 6MB2 Q1032 Collector Base Emitter 25C2712GR LG Q1037 2804154 LE Q1015 25 4400 RT4 Q1022 2SC5006 24 01014 MAIN Unit Parts List REF DESCRIPTION VALUE VW TOL MFR SDESIG VXSTD P N VERS LOT SIDE LAY ADR Printed Circuit Board AM001N000 FR008500C CHIP CAP GRM39B102K50PT K22174821 CERAMIC CAP CHU5 120J6 K02179103 CERAMIC CAP CHU5 22046 K02179106 CHIP CAP GRM39CK010C50PT K22174202 CHIP CAP GRM39B102K50PT K22174821 CHIP CAP GRM39B102K50PT K22174821 CERAMIC CAP CHU5 27046 K02179107 AL ELECTRO CAP RE3 25V102M 1000UF K40149045 CHIP CAP GRM39CK010C50PT K22174202 CERAMIC CAP CHU5 180J6 K02179105 CERAMIC CAP CHU5 47046 K02179110 CERAMIC CAP CHU5 150J6 02179104
23. 16 472JATP RMC1 16 103JATP RMC1 16 473JATP RMC1 16 103JATP RMC1 16 222JATP RMC1 16 471JATP RMC1 16 101JATP RMC1 16 102JATP RMC1 16 474JATP RMC1 16 103JATP RMC1 16 472JATP RMC1 16 222JATP RMC1 16 470JATP RMC1 16 103JATP RMC1 16 000JATP RMC1 16 222JATP RMC1 16 224JATP RMC1 16 222JATP RMC1 16 331JATP RMC1 16 222JATP RMC1 16 101JATP RMC1 16 561JATP RMC1 16 471JATP RMC1 16 470JATP RMC1 16 000JATP RMC1 16 470JATP RMC1 16 104JATP RMC1 16 101JATP RMC1 16 473JATP RMC1 16 101JATP RMC1 16 000JATP RMC1 16 101JATP RMC1 16 101JATP RMC1 16 271JATP RMC1 16 101JATP RMC1 16 473JATP RMC1 16 101JATP RMC1 16 101JATP RMC1 16 223JATP RMC1 16 473JATP RMC1 16 101JATP RMC1 16 122JATP RMC1 16 221JATP RMC1 16 102JATP RMC1 16 471JATP RMC1 16 102JATP RMC1 16 103JATP RMC1 16 272JATP RMC1 16 104JATP RMC1 16 000JATP RMC1 16 224JATP RMC1 16 331JATP RMC1 16 393JATP RMC1 16 101JATP RMC1 16 393JATP RMC1 16 221JATP RMC1 16 222JATP RMC1 16 334JATP RMC1 16 472JATP G1090893 G1093592 G3070249 G1090893 G1092241 G1092943 G3070249 G1091677 G3070247 G3111627G G3327127G J24205563 J24305101 J24185472 J24185000 J24185000 J24185472 J24185472 J24185103 J24185473 J24185103 J24185222 J24185471 J24185101 J24185102 J24185474 J24185103 J24185472 J24185222 J24185470 J24185103 J24185000 J24185222 J24185224 J24185222 J24185331 J24185222 J24185101 J24185561 J24185471 J24185470 J24185000 J24185470 J24185104 J24185101 J24185473
24. 24185102 J24185474 J24185103 J24185104 J24185103 J24185221 J24185471 J24185220 J24185223 J24185223 J24185472 J24185472 J24185220 J24185473 J24185472 Moizo e526HNSA 0461 10190281 JE 21 MAIN Unit Parts List REF DESCRIPTION VALUE VM TOL MFRSDESIG VXSTOPIN VERS ILS SIDE ara 120 E526HNSA 110461 10190261 E4 120 E526HNSA 110462 10190262 E4 120 E526HNSA 110462 10190262 a E5 MC120 E526HNSA 110461 LO190261 D5 7 eaa ra Toa RCTOO000 Q5000103 t A 04 VR1002 POT ik EVN 5ESX50B13 J51811102 VR1003 100k EVN 5ESX50B15 J51811104 31001 XTAL TOP LE LA tes XF1001 XTALFILTER 1 asias os 1 fos SHIELD CASE VCO RA0418500 SHIELD CASE COVER F RA041830A LEAF SPRING R0140031 22 CNTL Unit ircuit Diagram C a 0 07 955 TT 93S cr 1935 ET 935 711935 5719255 971935 411995 871995 61 1935 OG 19385 Tc 938 221938 c 935 1995 G2 1935 92 935 421935 8 1995 621935 1995 TE 1935 1935 585 1935 SE 19395 9E 1935 ZE 1935 BE 1995
25. 2JATP 124185222 5 RMC1 16 682JATP 124185682 5 RMC1 16 153JATP 124185153 5 1 16 471JATP 124185471 5 RMC1 16 221JATP 124185221 5 RMC1 16 471JATP 124185471 5 RMC1 10T 121 124205121 B 5 1 16 103JATP 124185103 5 RMC1 10T 471 124205471 5 RMC1 10T 471 124205471 5 RMC1 16 101JATP 124185101 5 RMC1 16 103JATP 124185103 5 RMC1 16 103JATP 124185103 5 RMC1 16 103JATP 124185103 5 RMC1 16 223JATP 124185223 1 16 101JATP J24185101 B 1 10 000J J24205000 Xai TAL sxi 8 l 28 LIGHT GUIDE LCD HOLDER INTER CONNECTOR RA0418600 RA0418800 RA0418900 2 VR Unit Circuit Diagram J3001 T9207014 VOL IN VOL OUT IE na 13 8V SWED SQL IN SQL OUT 9 av E o I I I Parts Layout Parts List REF DESCRIPTION VALUE VW TOL MFR S DESIG VXSTDP N VERS _ LOT SIDE LAY ADR PCB with Components CB2157001 Printed Circuit Board AM001N000 FR0085200 J 3001 WIRE ASSY AMOOTN 19207014 VR3001 RK0971111 20KA SW J60800262 1 VR3002 POT RK0971110 20KB J60800261 1 29 MIC Unit Circuit Diagram Parts Layout 54004 N5090036 54001 N5090036 54002 5090036 prt R4001 6 SK 54003 N5090036 Eg R4002 15K MC400 1 EM 100PT 0400
26. 5001 78100028 22174215 K40149028 K22174821 K57120012 K22124805 K22174821 K40129066 K78100028 K22174833 K22124805 K22174215 K22124805 K22174821 K22174834 K22174822 K22174215 K22124805 K22174205 K22174204 K22145001 K78100028 K22174821 K22174821 K22174821 K22174821 K22174206 K22174206 22 22 gt 722 22 gt 22 UU 22 gt U gt U 22 gt UU 22 UU 22 22 22 22 gt gt 722 gt gt 722 gt 22 22 U 72 22 gt gt gt gt gt U 72 22 22 1207222 172072 20 gt MAIN Unit Parts 151 REF DESCRIPTION VALUE VM TOL MFRSDESIG VXSTDEN VERS ILS SIDE fara CHIP TA CAP TEMSVA1A106M 8R K78100028 CHIP CAP CH GRM39CHO80D50PT K22174209 CHIP CAP B GRM39B104K16PT K22124805 CHIP CAP B GRM39B102K50PT K22174821 CHIP CAP B GRM39B104K16PT K22124805 CHIP CAP B GRM39B104K16PT K22124805 CHIP CAP B GRM39B102K50PT K22174821 CHIP CAP B GRM39B102K50PT K22174821 CHIP CAP B GRM39B104K16PT K22124805 CHIP CAP B GRM39B102K50PT K22174821 CHIP CAP B GRM39B102K50PT K22174821 CHIP CAP B GRM39B102K50PT K22174821 CHIP CAP F GRM39F104Z25PT K22145001 CHIP CAP B GRM39B102K50PT K22174821 CHIP CAP F GRM39F104Z25PT K22145001 CHIP CAP C GRM39CH150J50PT K22174215 CHIP TA CAP TESVA1V104M1 8R K78160025 CHIP TA CAP TEMSVA1A106M 8R K78100028 CHIP TA CAP TEMSVA1A106M 8R K78100028 CERAMIC CAP EP050Y103N A K28129001 CERAMIC 1 1 Temas ESR CERAMIC FI
27. 6 473JATP RMC1 16 104JATP RMC1 16 101JATP RMC1 16 104JATP RMC1 16 473JATP RMC1 16 223JATP RMC1 16 124JATP RMC1 16 104JATP RMC1 16 102JATP RMC1 16 000JATP RMC1 16 104JATP RMC1 16 334JATP RMC1 JPATE RMC1 16 000JATP RMC1 16 104JATP RMC1 16 101JATP RMC1 16 104JATP RMC1 16 562JATP RMC1 16 103FTP RMC1 16 473JATP RMC1 16 103JATP RMC1 16 104JATP RMC1 16 103FTP RMC1 16 473JATP RMC1 16 103JATP RMC1 16 102JATP RMC1 16 104JATP RMC1 16 103JATP RMC1 16 000JATP RMC1 16 183JATP RMC1 16 103JATP RMC1 16 472JATP RMC1 16 104JATP RMC1 16 101JATP RMC1 16 472JATP RMC1 16 102JATP RMC1 16 474JATP RMC1 16 103JATP RMC1 16 104JATP RMC1 16 103JATP RMC1 16 221JATP RMC1 16 471JATP RMC1 16 220JATP RMC1 16 223JATP RMC1 16 223JATP RMC1 16 472JATP RMC1 16 472JATP RMC1 16 220JATP RMC1 16 473JATP RMC1 16 472JATP J24185103 J24185102 J24185333 J24185563 J24185223 J24185334 J24185562 J24185223 J24185472 J24185124 J24185104 J24185103 J24185104 J24185223 J24185222 J24185225 J24185153 J24185101 J24185182 J24185103 J24185153 J24185222 J24185000 J24185104 J24185104 J24185473 J24185104 J24185101 J24185104 J24185473 J24185223 J24185124 J24185104 J24185102 J24185000 J24185104 J24185334 J24305000 J24185000 J24185104 J24185101 J24185104 J24185562 J24183103 J24185473 J24185103 J24185104 J24183103 J24185473 J24185103 J24185102 J24185104 J24185103 J24185000 J24185183 J24185103 J24185472 J24185104 J24185101 J24185472 J
28. 74823 K22145001 K22174823 K22174821 K22144204 K22144204 G2070704 G2070470 G2070916 G2070916 G2070916 G2070916 G2070916 G2070916 P1091149 P0091336 P0091336 G0090037 G3341548E G3070249 G1093755 G1092589 G1093517 G3341548E G3070223 J24185331 J24185471 J24185222 J24185223 J24185223 J24185104 J24185103 J24185333 J24185473 J24185101 J24185101 J24185101 J24185223 J24185101 J24185101 J24185103 J24185123 J24185153 J24185472 J24185103 J24185391 J24185101 J24185103 J24185000 J24185101 J24185101 J24185101 J24185101 J24185101 J24185101 CNTL Unit Parts List REF DESCRIPTION VALUE vw TOL MFR SDESIG VXSTD P N VERS 107 5 LAY ADR PCB with Components CB2156001 ERA T 27 CNTL Unit Parts 151 REF DESCRIPTION VALUE VW ToL MRSDESIG VXSTD is SIDE 5 RMC1 16 101JATP J24185101 B 5 RMC1 16 101JATP J24185101 B 5 RMC1 16 472JATP J24185472 B 5 1 16 472JATP 124185472 5 RMC1 16 103JATP 124185103 5 RMC1 16 682JATP 124185682 5 RMC1 16 153JATP 124185153 5 1 4 390JATP 124245390 5 RMC1 16 222JATP 124185222 5 RMC1 16 472JATP 124185472 5 RMC1 16 103JATP 124185103 5 1 16 682JATP 124185682 5 RMC1 16 153JATP 124185153 5 RMC1 16 104JATP 124185104 5 RMC1 16 471JATP 124185471 5 RMC1 16 103JATP 124185103 5 RMC1 16 22
29. BET I I VR1003 CNP i i MOD 0 0 TN N MIC I DI MIC IN G1028 91030 01028 91028 91029 VOL OUT NJUM12802v TCAO686F NUM12902V NUM129502v RT1N241M EXT SP 9 i 0 I MIC MUTE DSC ENC i I INT SP SWED B toas 31005 9 ze BEN SWED 7 HT1N241M EXT SP MEE AN tav REG 2 VOL OUT i Q 13 8v 0 SQL IN VOL IN 0 J SQL IN N SQL OUT i GND SAL VR3002 ait VR3001 01007 10 AX BY SOL VOL I I Connection Diagram N lt N Ea 1 W 5 2 a T N T e 5 I I lt i z 35 z 35 II oo gt gt i gt u E BE Ae J3 J oOo SE Oo Z N m gt gt wenn T N zd T 0 0 EN a F bz gt 0 gt a 1 av z F gt Z H 00 5 2 D 0 d J e J N gt gt N gt D 0 lt N OND NI TN Ia ue Ga ue m Sz dee N Y lez i O t 1 gt dS 1NI dS 1NI N
30. CAP GRM39CJ030C50PT K22174204 CHIP CAP GRM39CH150J50PT K22174215 CHIP CAP GRM39CH180J50PT K22174217 CHIP CAP GRM39CH120J50PT K22174213 CHIP CAP GRM39CH070D50PT K22174208 CHIP CAP GRM39CHO60D50PT K22174207 CHIP CAP GRM39B102K50PT K22174821 CHIP CAP GRM39B102K50PT K22174821 CHIP CAP GRM39CH150J50PT K22174215 CHIP CAP GRM39B102K50PT K22174821 CHIP CAP GRM39CK010C50PT K22174202 CHIP CAP GRM39B102K50PT K22174821 CHIP CAP GRM39B102K50PT K22174821 CHIP CAP GRM39CK010C50PT K22174202 CHIP CAP GRM39F104Z25PT K22145001 CHIP CAP GRM39B102K50PT 22174821 GRM39B104K16PT K22124805 CHIP CAP GRM39B102K50PT K22174821 CHIP CAP GRM39CH330J50PT K22174223 CHIP CAP GRM39B102K50PT K22174821 CHIP CAP GRM39CH060D50PT K22174207 CHIP CAP GRM39CH060D50PT K22174207 I I I A A A B B B A A B A A A B A A B A A A A A B A B A A A A A A A B A A B B B A B B B B B B A B B B B B B A B B A A A B A A A A A A A A B A A A A A A A MAIN Unit Parts List REF oescmprON VALUE vw TOL WrmspEsi WXSTD PIN VERS Jor SIDE 18 CHIP CAP CHIP TA CAP CHIP CAP CHIP CAP CHIP TA CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP AL ELECTRO CAP CHIP CAP CHIP CAP
31. CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP TA CAP CHIP CAP AL ELECTRO CAP CHIP CAP FILM CAP CHIP CAP CHIP CAP AL ELECTRO CAP CHIP TA CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP TA CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP 0 01uF 10uF 7pF 0 001uF 0 47uF 1pF 0 001uF 1pF 0 001uF 7pF 1pF tuF 0 0056uF 0 01uF 330pF 0 01uF 0 1uF 0 01uF tuF 0 0068uF 0 1uF 0 1uF 0 1uF 0 01uF 15pF 10uF 0 01uF 0 022uF 1pF 0 0047uF 0 1uF 0 01uF 0 1uF 0 1uF 0 1uF 820pF tuF 82 0 1uF tuF 470pF 470pF 0 01uF 0 0047uF 0 1uF 0 1uF 0 1uF tuF 10uF 15pF 100uF 0 001uF 0 027uF 0 1uF 0 001uF 470uF 10uF 0 0047uF 0 1uF 15pF 0 1uF 0 001uF 0 0068uF 0 0022uF 15pF 0 1uF TN00U0U000u00vmn UC Tm UUO O UU UU UJ TO E O UJ GRM39B103M50PT TEMSVA0J106M 8R GRM39CHO070D50PT GRM39B102K50PT TESVA1E474M1 8R GRM39CK010C50PT GRM39B102K50PT GRM39CK010C50PT GRM39B102K50PT GRM39CH070D50PT GRM39CK010C50PT GRM39F105Z10PT GRM39B562M50PT GRM39B103M50PT GRM39B331K50PT GRM39B103M50PT GRM39F104Z25PT GRM39B103M50PT GRM39F105Z10PT
32. GRM39B682K50PT GRM39B104K16PT GRM39B104K16PT GRM39B104K16PT GRM39B103M50PT GRM39CH150J50PT RC2 16V100M 4X7 GRM39B103M50PT GRM39B223K25PT GRM39CK010C50PT GRM39B472K50PT GRM39B104K16PT GRM39B103M50PT GRM39F104Z25PT GRM39B104K16PT GRM39B104K16PT GRM39B821M50PT GRM39F105Z10PT GRM39CH820J50PT GRM39B104K16PT GRM39F105Z10PT ECUV1H471KBV ECUV1H471KBV GRM39B103M50PT GRM39B472K50PT GRM39B104K16PT GRM39B104K16PT GRM39B104K16PT GRM39F105Z10PT TEMSVA1A106M 8R GRM39CH150J50PT RE2 25V101M 100UF GRM39B102K50PT ECHU1C273JB5 GRM39B104K16PT GRM39B102K50PT RE3 16V471M 470UF TEMSVA1A106M 8R GRM39B472K50PT GRM39B104K16PT GRM39CH150J50PT GRM39B104K16PT GRM39B102K50PT GRM39B682K50PT GRM39B222K50PT GRM39CH150J50PT GRM39B104K16PT GRM39CHO040C50PT GRM39CJ030C50PT GRM39F104Z25PT TEMSVA1A106M 8R GRM39B102K50PT GRM39B102K50PT GRM39B102K50PT GRM39B102K50PT GRM39CH050C50PT GRM39CHO50C50PT 22174823 78080027 22174208 22174821 78140009 22174202 22174821 22174202 22174821 22174208 22174202 22105001 22174818 22174823 22174820 22174823 22145001 22174823 22105001 22174834 22124805 22124805 22124805 22174823 22174215 40129012 22174823 22144807 22174202 22174833 22124805 22174823 22145001 22124805 22124805 22174808 22105001 22174233 22124805 22105001 22179610 22179610 22174823 22174833 22124805 22124805 22124805 2210
33. Hz crystal for a time base IC Q2004 PST597CN resets the MPU when the power is on and monitors the voltage of the regulated 5V power supply line EEPROM The EE PROM retains TX and RX data for all memory channels prescaler dividing IF frequency local oscilla tor injection side and reference oscillator data The 1255 has been carefully aligned at the factory for the specified performance across the marine band Realignment should therefore not be necessary except in the event of a component failure All component replace ment and service should be performed only by an autho rized Standard Horizon representative or the warranty policy may be voided The following procedures cover the sometimes critical and tedious adjustments that are not normally required once the transceiver has left the factory However if damage occurs and some parts are replaced realignment may be required If a sudden problem occurs during normal op eration itis likely due to component failure realignment should not be done until after the faulty component has been replaced We recommend that servicing be performed only by au thorized Standard Horizon service technicians who are experienced with the circuitry and fully equipped for re pair and alignment Therefore if a fault is suspected con tact the dealer from whom the transceiver was purchased for instructions regarding repair Authorized Standard Horizon service technicians realign all
34. LTER __ _ __ ALFYM450E K__ H3900838 LA 104 G2090778 1 155321 TE85R XB15A308A2GB XB15A308A2GB 155302 TE85R DAN235U TL 15 214 HVU350TRF HVU350TRF HZM5 6NB2 TR HSU277TRF G2070118 155355 TE 17 G2070470 J 1001 CONNECTOR 28FLT SM1 TB P1091149 J 1002 CONNECTOR B7B PH K S P0090401 J 1003 CONNECTOR B2B PH K S P0090396 LALO3NA4R7K L1190203 4 5T3 5D0 8UEW R L0021149A 4 5T3 5D0 8UEW R L0021149A 4 5T3 5D0 8UEW R L0021149A 3 5T4 0D0 8UEW R L0022245 E2 0 25 1 9 8T L L0022550 E2 0 25 1 9 8T L L0022550 0 082uH HK1608 82NJ T L1690527 0 082uH HK1608 82NJ T L1690527 0 068uH 2 C1608CA 68NG L1691042 0 068uH 2 C1608CA 68NG L1691042 0 1uH HK1608 R10J T L1690528 2 2uH LK1608 2R2K T L1690634 1 5uH LK1608 1R5K T L1690846 0 068 2 C2012C 68NG L1690774 2 2uH LK1608 2R2K T L1690634 0 22uH HK1608 R22J T L1690940 2 2uH LK1608 2R2K T L1690634 HK1608 47NJ T L1690524 RA35H1516M 01 G1093695 NJM7808FA G1093640 NJM78MO05DL1A TE1 G1093660 Q 1005 TRANSISTOR RT1N441U 111 1 G3070247 Q 1006 TRANSISTOR DTB123EK 1146 G3070022 Q 1007 TRANSISTOR 25 1602 11 1 G3116028F Q 1009 TRANSISTOR RT1N441U 111 1 G3070247 Q 1010 TRANSISTOR RT1N441U 111 1 G3070247 TRANSISTOR 25C3357 T2 RF G3333577F Q 1014 TRANSISTOR 25 5006 1 13350068 1015 TRANSISTOR 25 4154 11 1 G3341548E IC LV2105V TLM G1093191 Q 1018 FET 3SK320 TE85L G4803208 Q 1019 TRANSISTOR 25 5006 1 13350068 FET 2SK210GR TE85R G3802107G Q 1022
35. O M 2502v 5 NUM12902V AU Mx Mx 702 5 U QIT 2 1 6V 77 77 i a O x m N m VIN m D IAU TO ID ITA O dx U m a RX_CNT m 0 Dx Ox Dx dx Ux Ue Ux Uy AX 1 57 m 4 Dm Ox Ox Tx I JO 7 o 1 mo ax IX AK TK AR IA 9 gt Sx D Do OO Jo o lo lo o lo lo lo lo Dx L MEE gt 4 322 m E gt 9 O MIC MUTE ov 578 16 _ 20 MUTE 50 7 o I 0660000060 ls o Si li ii ii 21091149 0 a Y ze E m F Z lt 0 Jum pde 1 O kb 1 lt 24 x 1 lt gt 2 400 NM Z m x ai I E FEN 21 B 2 2 2 2 lt HAH AH 13 MAIN Unit Note MAIN Unit Parts Layout F Output Vcc2 Input Veo Pin 1 pin 5 RA35H1516 LA4425A NJM7808FA Q1001 Q1031 Q1002 TP1001 8 7 4 Pin 1 1 _ L1002 LV2105V NJM12902V NJM2904V IF Q1017 Q1028 Q1034 TA31136FN m Q 1024 dc 3 anz Pu Source T N B J Gate 2 Gare 1 I 5 C1028 T va B E m
36. STANDARD HORIZON 25 Watt VHF FM Marine Transceiver SERVICE MANUAL Specifications GENERAL Channels Input Voltage Current Drain Dimensions Flush Mount Dimensions Weight TRANSMITTER Frequency Range RF Output Conducted Spurious Emissions Audio Response Audio Distortion Modulation Frequency Stability FM Hum and Noise RECEIVER Frequency Range Sensitivity Modulation Acceptance Bandwidth Selectivity Audio Output Audio Response Frequency Stability Channel Spacing DSC Format All USA International and Canadian 13 8 VDC 20 Standby 0 5A Receive 1 5 Transmit 5 0 A Hi 1 5 Lo 2 12 65 6 W x 6 5 6 D 64 H x 160 W x 160 D mm 2 Hx5 5 16 W x 5 18 D 50 x 136 W x 130 D mm 2 2 lbs 1 kg 156 025 to 157 425 MHz 25 W Hi 1 W Lo 80 dB Hi 60 dB Lo within 1 3 of a 6 dB octave pre emphasis characteristic at 300 to 3000 Hz 5 16 for DSC 16K0G2B 0 0005 20 to 50 50 156 050 to 163 275 MHz 20 dB Quieting 0 35 12 dB SINAD 0 25 pV Squelch Sensitivity Threshold 0 13 uV 7 5 kHz Spurious and Image Rejection 70 dB Intermodulation and Rejection at 12 dB SINAD 70 dB AW within 2 8 of a 6 dB octave de emphasis characteristic at 300 to 3000 Hz 30 0005 20 C to 50 25 kHz RTCMSC101 Performance specifications are nominal unless otherwise indic
37. TRANSISTOR 25C4400 3 TL G 33440086 Q 1023 TRANSISTOR RT1N441U 111 1 G3070247 TA31136FN EL G1091605 Q 1025 TRANSISTOR 25 4154 11 1 G3341548E Q 1026 TRANSISTOR 25 4154 11 1 G3341548E G2070076 G2090742 G2090742 G2070088 G2070176 G2070356 G2070380 G2070380 G2070722 MAIN Unit Parts List REF DESGRIPTION VALUE vw TOL _MERSDESIG vxst PN VERS fr SIDE 20 5 TRANSISTOR TRANSISTOR IC TRANSISTOR TRANSISTOR TRANSISTOR CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES 4566 TE85R NJM12902V TE1 RT1N241M T11 1 TC4S66F TE85R LA4425A NJM2211M TE1 RT1N241M T11 1 NJM2904V TE1 RT1N441U T11 1 2SA1162GR TE85R 25C2712GR TE85R RMC1 10T 563J RMC1 101JTE RMC1 16 472JATP RMC1 16 000JATP RMC1 16 000JATP RMC1 16 472JATP RMC1
38. TX8V 0 0820 16v B EXT SPK 1 C1066 t 1 Si fan Dy P1018 XXX O 9 TX 8 0 V E um mes 0 1 28 1030 i 6 5 a OLU DD 10K 16V 1 01006 77 RX ll AK T ze 5 I DTB123EK d 83 32 oz ES N mern AW 13V E il oj aja R1101 I RT1N441U i TX 5 0 V NW I 7 10K m Y vo a 4 4 6 V I mast r T gt Q1029 3 ont I RX0V Bm LRL Bs Bu Gy E MUTE ON 5 0 V E 3 294029 No ux mds Pw ix AX m 950 a U 4 8 V D a MUTE OFF 0 V 100 x A ap SWEDSV BEGAV 4 NW 84444 1 ig 77 TP1008 47K Qa TOS n 01007 P10140 TP1023 DSC ENG Jo 22 0 NYS TY 1020 ii MW C1178 SeT 97 552 502 A F pg gt 2541602 PLL DATA 0 V aas gt O l C1133 c1139 A1078 C1147 16V c 158 E OF KEV PLLDATA L OV 0 0056 B 0 0047 1K 5 is m um P1016 5 P1081 B D 11 16V mL oo 2 0V MW c1188 I SS 1 6 V 24850 0047 A la TX 0 V q 1 6 V 1 6V v4 SS 115 MIC IN 77 TF 1022 a ANN Sy RX 8 0 V 81073 R1075 R1080 ANN I 1 Sa 2 39K 10K 9 4 Q AMS AM MN R1098 D 21003 91010 t mula 33K I PO0903965 E TP1005 Q1028 VY Om D a 1 4410 NUM12902v Oy 3067 47 0 Q1028 Y n Q1028 i 1 mo ma 16 ST
39. aaa Confirmation of receiver NMEA data Input NMEA format data output from GPS receiver to NMEA terminal A of transceiver and display it to the LCD of the transceiver NMEA format data output from GPS receiver is applied to NMEA terminal of transceiver s option connector and LCD of transceiver will show data Confirmation Setup the test equipment as shown below Blue M GPS 6 Receiver reen NMEA GND ACC Cable O Press and hold the H L key confirm that the posi tion data 1 displayed on the LCD of transceiver 12 Confirmation of DSC Operation Confirmation Y Prepare the confirmation transceiver 12605 O Input below data to the confirmation transceiver in advance Input TEST to NAME of INDIVIDUAL DI RECTORY Input 123456789 to MMSI of INDIVIDUAL DIRECTORY Input 123456780 to local MMSI Channel 13 in U S A mode Setup the test transceiver as follows Channel 21 in U S A In 3 seconds send the INDIVIDUAL CALL from the conformation transceiver Confirm that the test transceiver receives the INDI VIDUAL CALL from the conformation transceiver and outputs the beep Press the CALL SET key of the test transceiver and turn off the beep Simultaneously confirm that 123456780 of confor mation transceiver s MMSI is displayed in the LCD of the test transceiver 1 Confirm that the conformation transceiver receives the response from the t
40. ain RF power out put During transmit voice modulation is applied to this synthesizer Transceiver functions such as TX RX control PLL synthesizer settings and channel programming are controlled using the MPU Receiver Incoming RF signals from the antenna connector are de livered to the RF Unit and pass through a low pass filter LPF consisting of coils and capacitors and antenna switching diodes D1003 and D1004 both XB15A308 for delivery to the receiver front end Signals within the frequency range of the transceiver are then passed through a bandpass filter consisting of T1001 and T1002 before RF amplification Q1014 2565006 The amplified RF is then bandpass filtered again by T1003 T1004 and T1005 to ensure pure in band input to 1st mixer Q1018 38K320 Buffered output from the Unit is amplified by 01016 25 5006 and bandpass filtered by L2012 C1072 and C1078 to provide a pure 1st local signal between 134 65 and 140 625 MHz for delivery to the 1st mixer The21 4 MHz 1st mixer product then passes through dual monolithic crystal filter XF2001 26 5 KHz BW and is am plified by 01022 25 4400 3 and delivered to the input of the FM IF subsystem IC Q1024 TA31136FN This IC contains the 2nd mixer 2nd local oscillator limiter am plifier FM detector noise amplifier and squelch gates The 2nd local in the IF IC is produced from crystal X1001 21 850 MHz and the 1st IF is converted to 450 KHz by
41. ated and are subject to change without notice ExplodCircuit Descriptioned View Miscellaneous Parts RA0458700 BLACK SLEEVE ASSY BK RA0422500 WHITE SLEEVE ASSY RA0422700 RUBBER PACKING FRONT RA0421500 x 2pcs O RING SCREW P1091158 MR S AMOO1N RA0422900 O RING M CONECT RA0423000 HOLDER PLATE PWR T9207012A RA0449400 WIRE ASSY AMOO1N REFERECTOR SHEET A RA0418600 RA0423100 LIGHT GUIDE LCD O RING BOTTOM A RA0418600 x 2pcs RA0422800 INTER CONNECTOR CHASSIS RA0292100 SHEET MICROTEX C010 G6090148 LCD G1093695 RA0418800 RA35H1516M LCD HOLDER RA0457900 BLACK FRONT PANEL ASSY BK RA0418700 LIGHT GUIDE KNOB 0419000 WHITE FRONT PANEL ASSY MAIN UNIT RA041830A SHIELD CASE COVER F RA0449500 REFERECTOR SHEET B RA0423200 LOCK PLATE hii Re PG RA0433800 x 2pcs RUBBER PACKING KNOB REF VXSTD P N Description 000306002 PAN HEAD SCREW U20305020 BIND HEAD SCREW M3X5SUS 020307020 BIND HEAD SCREW M3X7SUS Non designated parts are available only Tekna as part of a designated assembly U24308002 TAP TITE SCREW M3X8NI 5 Note Block Diagram 25A 1602A AT1N24 14M RX SV gt RX LINE gt TX LINE I I I WV END 0
42. d by C1006 and C1011 and is rectified by D1002 188321 The resulting DC is fed through Automatic Power Control 7 Circuit Description lers 01004 25A1602A 01008 25C4154E and 01012 2SA1602A to transmitter RF power amplifier 01001 thus providing positive control of the power output Generation of spurious products by the transmitter is min imized by the fundamental carrier frequency being equal to the final transmitting frequency modulated directly in the transmit VCO Additional harmonic suppression is provided by a low pass filter consisting of coils and ca pacitors resulting in more than 70 dB of harmonic sup pression prior to delivery of the RF energy to the antenna DSC Encoder Decoder Encoder The DCS Digital Selective Calling encode signal which D A converted in the 8 bit MPU IC 02003 is fed through the low pass filter Q1028 on the RF Unit to the VCO Decoder The receiving DCS code is demodulated by the FM IC Q1024 then fed through the low pass filter Q1026 25 4154 to the DCS Decoder IC 01032 NJM2211M which the receiving DCS code is decoded The decoded DCS signal delivered to the 8 bit MPU IC 02003 1050 Hz Weather Alert Decoder 1050Hz Weather Alert signals are demodulated on the CNTL Unit and are applied to low pass filter Q1026 25C4154E and pass thorugh the limiter comparator 01028 NJM2902M Operation is controlled by 8 bit MPU IC 02003 M37560M The system clock uses a 9 8304 M
43. est transceiver and outputs beep Press the CALL SET key of the conformation trans ceiver and turn off the beep Simultaneously confirm that TEST of test transceiver s MMSI is displayed in the LCD of the conformation transceiver MAIN Unit Circuit Diagram
44. he test point is over 1 0 V in the receive and transmit mode Use the A UP W DOWN key to set the channel to 05 confirm that voltage on the test point is below 5 0 V in the transmit mode Use the A UP W DOWN key to set the channel to 06 confirm that voltage on the test point is below 5 0 V in the receive mode 0 Adjustment and Confirmation of Transmit Power Adjust power at high and low in the transmit mode and confirm power in the specified bandwidth Adjustment Connect the wattmeter and 50 ohm dummy load to the antenna jack Use the H L key to set transceiver to high power and set the channel to CH16 With the PTT switch pressed adjust VR1001 so that RF power is 25 W Use the H L key to set transceiver to low power and set the channel to CH16 With the PTT switch pressed adjust VR1002 so that RF power is 0 8 W 91001 VR1002 VR1001 VR1003
45. ised of Q1020 25 210 and D1011 1012 both 15V230 it oscillates at 21 4 MHz during re ceive and at the fundamental frequency during transmit with direct frequency modulation using varactor diode D1009 15 214 The VCO output passes through buffer amplifier Q1019 25C5374 and is amplified by Q1016 25 5374 to obtain stable output The VCO DC supply is regulated by 01015 28C4154E Synthesizer output is fed to the 1st mixer by diode switch D1007 DAN235U during receive and to drive amplifiers Q1013 25C5227 4 Q1011 28C3357 and Q1001 for transmit The reference oscillator feeds the PLL synthesizer Transmitter Voice audio from the microphone is delivered via the MIC connector to the RF Unit After passing through amplifier Q1028 NJM2902M a pre emphasis network limiter IDC instantaneous deviation control and LPF Q1028 NJM2902M the audio is adjusted for optimum devia tion level and delivered to the next stage Voice or DSC Digital Selective Calling encode signal in puts from the LPF Q1028 is8 FM modulated in the VCO of the synthesizer Synthesizer output after passing through diode switch D1006 DAN235U is amplified by driver Q1013 25C5227 01011 25C3357 and RF power amplifier 01001 RA35H1516M to obtain full RF output The RF energy then passes through antenna switch D1003 and a low pass filter circuit and finally to the antenna con nector RF output power from the final amplifier is sample
46. o the test equipment must be thoroughly warmed up before beginning Note Signal levels in dB referred to in this procedure are based on 0 dBu 0 5 pV closed circuit Alignment Overview of Test Mode The test mode has been build in the microprocessor in or der to adjust and comfirm the performance of transceiver The purpose is to adjust transceiver simply and to con firm the performance of transceiver smoothly a Expansion channels EXP01 EXPO6 will be set as follows DISPLAY EXPO1 156 050 MHz 156 050 MHz X EXPO 157 425 MHz X X 5 162 025 MHz 162 025 MHz X 6 163 575 MHz 158 975 MHz X WX10 163 275MHz O B In CH70 ever time you are in transmit mode every time you press PTT the following test tone can be outputted Ist transmission 1300 Hz 2nd transmission 2100 Hz 3rd transmission Synthetic tone of 1300 Hz and 2100 Hz Ath transmission Return to Ist transmission C Scan the channels between WX10 and 4 in the SCAN mode 163 275 x 4 155 050 MHz 155 050 MHz Starting Test Mode Confirm that PWR VOL switch is off and short the TEST points JP1001 Turn on the PWR VOL switch while press and holding the DIST and DW keys Confirmation of VCO Confirmation Connect the DC voltmeter to the test point TP1019 O Use the A UP W DOWN key to set the channel to EXP04 confirm that voltage on t
47. osT 1 T NW NW 0 9 V le AN RX 2 9V DSON Sri So Oy I o 0 150 0 es 81037 C1076 81041 E x HVU350 T o u m m NS I x 77 Y 004B 47K OT m I A ig no R1016 470K oag 0 001 B S e P F 27 COLYXS 64 T Sg 077 7 m za 81153 8 Tu 1p CK ojo wis EDS seo Ua E 155321 E 81034 TX HI 1 3 V he S T m A NUM2904V n 01019 Vs 515 Psp 3 h gt x MW 3 TX LOW 0 2 V ciota Serena IH EE ah WADEC TP4027 I mo aL Vra OSZZ o D SR Es ajn INT 01034 va 4 Say I 8 2242 24508 54 506 numasoav n D D 0 8 V ox qm Fa ME 10 dBm ag Ed TS 01023 RX 400 mVp p 155 Ala 599 TXPOwerCO WL 4 SSF 7 3 VETT T1N441U STD MOD IG aa m z a 4 N gt AL UL l 77 ES o a Ds ug 5p CH DSC DATA L 0 V 8 A vasos 5985 I F Hp ES 25 TX HI 6 2 V TX HI 1 4 V 77 Yx SW 51 I 91002 I 1 TX LOW 0 9 V TX LOW 0 3 V 3 EN 5 1 20090401 i gt RX 200 mVp p 5 VOL IN Ox D iD i 9 STD MOD aux No My t VUL OUT 3 use 208 3 139 j SWED O 13 SV SWED gt 81107 SOL IN zm og TX 0V R4456 7 3 V TP1019 AF MU FM V ox 2 4 47K m a p SQL
48. presented Alignment Required Test Equipment RF Signal Generator with calibrated output level at 200 MHz Deviation Meter linear detector AF Millivoltmeter SINAD Meter Inline Wattmeter with 5 accuracy at 200 MHz Regulated DC Power Supply 13 8 VDC 10A 50 ohm Non reactive Dummy Load 30W at 200 MHz Frequency Counter 20 1 ppm accuracy at 200 MHz AF Signal Generator DC Voltmeter high impedance VHF Sampling Coupler AF Dummy Load 4 Ohms 10 W Oscilloscope Spectrum Analyzer 12605 Marine Transceiver U0o000000 00000 Alignment Preparation amp Precautions A dummy load and inline wattmeter must be connected to the main antenna jack in all procedures that call for transmission Correct alignment is not possible with an antenna After completing one step read the following step to de termine whether the same test equipment willbe required If not remove the test equipment except dummy load and wattmeter if connected before proceeding Correct alignment requires that the ambient temperature be the same as that of the transceiver and test equipment and that this temperature be held constant between 68 F and 86 F 20 and 30 When the transceiver is brought into the shop from hot or cold air it should be allowed some time for thermal equalization with the en vironment before alignment If possible alignments should be made with oscillator shields and circuit boards firmly affixed in place Als
49. set SWP to 56 ms Adjust T1001 T1002 T1003 T1004 and T1005 until the wave form shown below 1s obtained ATTEN 20dB 10 0dBm 10dB GX1255S FRONT END CENTER 159 00 MHz SPAN 20 00 MHz RBW 30 kHz VBW 30 kHz SWP 56 0 ms Note Adjust the output of the tracking generator so that RF AMP and spectrum analyzer will not saturate Figure shows the reference wave form The wave form varies with measuring instruments It is impotent to take the lowest possible value at the stop band near 150 MHz and the highest possible value at the band near 156 MHz Each coil shall be adjusted at the range between the initial condition and right and left revolving 11 Alignment Confirmation of Weather Alert Tone In the weather channel mode when transceiver receives the specific emergency tone 1050 Hz weather alert tone will be output Weather Alert Operation The Weather Alert mode will be active when a NOAA weather chan nel is in memory and radio is in memory scan or P scan mode Confirmation Connect the standard signal generator SSG to the antenna jack Squelch position set to tight Press the SCAN key and start to Memory Scan mode Set the SSG to 163 275 MHz WX10 and output level of the SSG to 20 dBu V 3 0 kHz deviation with 1050 Hz tone modulation Set the output of the SSG to ON Confirm that the channel of transceiver stops at WX10 and the transceiver outputs the weather alert tone 1050 Hz
50. t NNNM m OUT 14 ___ m cd AN M m UD RIE 0 2001 COMMON 25 CNTL Unit Parts Layout E VU v w LE Pin 4 mm Collector E Pin 8 Pin 25 A m A N Pin 4 Sn Base Emitter M37560EFGP BR24C62F 25C4154 LE Q2004 Q2007 Q2002 2008 Collector Emmiter u Collector 7 ToT Base M R GND Collector SUB Base Emitter Trader IE p S TOUR CPH6102 PST597CNR 7C RT1N241M N2 EHE HE HS Mea r 4 7 2 EN 02009 02005 02003 Cathode 1 Anode 2 Anode 1 Cathode 2 MC2850 A7 D2008 Side B 26 0 2001 J 2001 J 2002 J 2004 JP2001 WIRE ASSY Printed Circuit Board CHIP CAP CHIP CAP CHIP CAP CHIP TA CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP TA CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP LCD CONNECTOR CONNECTOR CONNECTOR PHOTO COUPLER TRANSISTOR TRANSISTOR IC IC IC TRANSISTOR TRANSISTOR CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES OO UJ UJ

QUEST GX1255S - R

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