InterM-PA935A-pa-sm 维修电路原理图.pdf

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1、SERVICEMANUALPA-935APUBLIC ADDRESSAMPLIFIERRadioFans.CN 收音机爱好者资料库ELECTRICAL ADJUSTMENT PROCEDURE1. Connection2. Adjustment - Adjust SVR104 so that the current through the R190 become 47mV. When that voltage across the Positive “TP1” to Negative “TP2” becomes 47mV, the current becomes 1526mA.RadioFa

2、ns.CN 收音机爱好者资料库 ELECTRICALRated Output Power (at THD : 5%) . 5W(RMS)Frequency Response (3dB) MIC 1,2,3 . 150Hz12kHz AUX . 80Hz15kHz CD/SATELLITE . 80Hz15kHz TELEPHONE . 330Hz3kHzTotal Harmonic Distortion (at Rated Output, 1kHz) . Less Than 5%Signal to Noise Ratio MIC 1,2,3 . Better than 55dB AUX, C

3、D/SATELLITE, TELEPHONE . Better than 65dBInput Sensitivity/Impedance MIC 1,2,3 . -50dB/600 AUX . -15dB/10k CD/SATELLITE . 0dB/10K TELEPHONE . 0.775V/600Output Voltage/Impedance . 4/11.8V, 8/16.7V, 140/70V, 285/100V GENERAL Power Source . 100-120VAC or 220-240VAC; 50/60Hz (Supplied AC mains transform

4、er depends on country requirements)Power Consumption . 40WWeight . 4.4kg/9.7lbDimensions . 290(W)x76(H)x185(D)mm / 11.4(W)x3(H)x7.3(D)in* Specifications and design subject to change without notice. SPECIFICATIONSRef No.Part No.DescriptionValueRef No.Part No.DescriptionValueR105-1063009752973RES MF 7

5、.5K 1/5W 5% AX N TA7.5KR137 R1823009821973RES MF 820 1/5W 5% AX N TA820TP1-24678699410CNT PLUG 1PCNT1PR2003039100572-F RES MF 10 2W 5% AX P10 2WQ110 Q1172008206997-T TR SG PNP KTA1024 TOA1024YR209-2103039221572-F RES MF 220 2W 5% AX P220 2WQ1132008206998-T TR SG PNP KTA1023 TKTA1023YVR104-1053228089

6、410VR ROT HOR 1U BUSH L20 100K W100KWQ1112008407970-T TR SG NPN KTC1027 TC1027YVR101-1033228089510VR ROT HOR 1U BUSH L20 10K A10KAQ101-1032008606104-T TR SG NPN KTC3198 TOC3198YSVR102-1033228090110-S VR SEMI CE TOP 5MM 10K10KQ105-106SVR1043248520120-T RES SEMI FT-63 TP(200)200Q104 Q1072008606998-T T

7、R SG NPN KTD1302 TOD1302SVR1013248550220-T RES SEMI FT-63 TP(5K)5KQ115-116C172-1733408222261CAP E SM SG 85C 2200UF 35V M 12200/35Q108-1092008606999-T TR SG NPN KTC3198 TOC3198BLC103-104 C1063409210071-T CAP E SM SG 85C 10UF 50V M 5P10/50Q112 Q1142028443879TR PW NPN 2SC5197TO-3C5197C118-119 C122BD205

8、8100995DIODE BR PBPC-306 SB-3PBPC306C125-126 C128D1042058100996DIODE RE 1N4006 DO-41 1N 4006C131 C161D101-1022058304100DIODE SW 1N4148M DO-1N4148C1593409210071-T CAP E SM SG 85C 10UF 50V M 5P 10/50D105-112C107 C110-1113409210141-T CAP E SM SG 85C 100UF 25V M 6P100/25D1032058502180DIODE ZN 500MW BM 1

9、8V DO-3518BMC121 C129 C138U101-1022118010432IC OP AMP NJM2068D DIP82068DDC142 C147 C153U103-1042118010590IC OP AMP NJM4558D DIP84558DC156-157U1062128610800IC VOLT REG -15V 1A 7915 TO-227915C164-166U1052128610900IC VOLT REG 15V 1A 7815 TO-2207815C160 C1673409210171-T CAP E SM SG 85C 100UF 50V M 8P100

10、/50R189 R1913009100973RES MF 10 1/5W 5% AX N 10C170-171R107 R112-1133009101973RES MF 100 1/5W 5% AX N 100C108 C114 C137 3409210971-T CAP E SM SG 85C 1UF 50V M 5P T1/50R123 R132 R151C144 C1463409222971-T CAP E SM SG 85C 2.2UF 50V M 5P2.2/50R174 R176 R186C1433409233071-T CAP E SM SG 85C 33UF 50V M 6P

11、33/50R188 R201C1583409233871-T CAP E SM SG 85C 0.33UF 50V M 60.33/50R153 R1783009102973RES MF 1K 1/5W 5% AX N 1KC115 C1303409247871-T CAP E SM SG 85C 0.47UF 50V M 50.47/50R101-102 R1083009103973RES MF 10K 1/5W 5% AX N 10KC134-135R115 R117-118C112 C1543409247971-T CAP E SM SG 85C 4.7UF 50V M 5P4.7/50

12、R126-127C113 C1553509101130-T CAP CE TEMP SL 100PF 50V J RA 100PR145-146 R152C101-1023509102530-T CAP CE HI-DI Y5P 1000PF 50V J 0.001R172 R175 R177C116-117R124 R1333009104973RES MF 100K 1/5W 5% AX N 100KC123-124 C136R147-1483009122973RES MF 1.2K 1/5W 5% AX N 1.2KC174R109 R125 R134 3009123973RES MF 1

13、2K 1/5W 5% AX N 12KC1053509121130-T CAP CE TEMP SL 120PF 50V J RA 120PR154 R202C120 C1273509150130-T CAP CE TEMP SL 15PF 50V J RA T15PR1113009124973RES MF 120K 1/5W 5% AX N 120KC1623509330130-T CAP CE TEMP SL 33PF 50V J RA T33PR1443009132973RES MF 1.3K 1/5W 5% AX N 1.3KC109 C1513509470130-T CAP CE T

14、EMP SL 47PF 50V J RA T47PR1873009150973RES MF 15 1/5W 5% AX N 15C132-1333509472530-T CAP CE HI-DI Y5V 4700PF 50V Z 0.0047R168 R1713009153973RES MF 15K 1/5W 5% AX N15KSP_CAP3549472407CAP CE AC Y2/X1 4700PF 250VAC 4700PR135-1363009182973RES MF 1.8K 1/5W 5% AX N 1.8KC1403609103120-T CAP FILM POLYESTR 0

15、.01UF 100V 0.01(M)R138-1393009203973RES MF 20K 1/5W 5% AX N 20KC168-1693609104120-T CAP FILM POLYESTR 0.1UF 100V J0.1(M)R1653009221973RES MF 220 1/5W 5% AX N 220C1523609122120-T CAP FILM POLYESTR 0.0012UF 1000.0012(M)R179 R183 R208 3009223973RES CF 22K 1/5W J N22KC148 C1503609123120-T CAP FILM POLYE

16、STR 0.012UF 100V0.012(M)R1423009224973RES CF 220K 1/5W J N220KC1453609182120-T CAP FILM POLYESTR 0.0018UF 1000.0018(M)R141 R157 R163 3009225973RES MF 2.2M 1/5W 5% AX N 2.2MC1633609563120-T CAP FILM POLYESTR 0.056UF 100V0.056(M)R181 R1993009272973RES MF 2.7K 1/5W 5% AX N2.7KC139 C1413609683120-T CAP

17、FILM POLYESTR 0.068UF 100V0.068(M)R1663009274973RES MF 270K 1/5W 5% AX N 270KAN1024355709101CON ASSY 2P 80MMASSY 2P_80R170 R1733009303973RES MF 30K 1/5W 5% AX N 30KAN2014355709203CON ASSY 3P 100MMASSY 3P_100R2043009330973RES MF 33 1/5W 5% AX N 33AN1014355709309CON ASSY 3P 190MMASSY 3P_190R1163009331

18、973RES MF 330 1/5W 5% AX N 330CN1 CN94428596603CON WAFER LOCK(M) 3P STLW1143-03R1143009332973RES MF 3.3K 1/5W 5% AX N 3.3KSW101-1024618001110SW SLIDE HOR DPDT NS L7.5SLIDE SWR1593009334973RES MF 330K 1/5W 5% AX N 330KSW4648098510SW PUSH HOR SPST NS 1U BKT L18POWER SWR143 R2073009392973RES MF 3.9K 1/

19、5W 5% AX N 3.9KR190 R192C3059228776RES CE 0.27 5W RA T0.27 5WR158 R164 R180 3009393973RES MF 39K 1/5W 5% AX N 39KJK1-4C4438097210JACK PHONE 1U 4P ANJY-6313R2033009394973RES MF 390K 1/5W 5% AX N 390KJK5C4438189120JACK RCA 1U 2P ANRJ-1060R1403009431973RES MF 430 1/5W 5% AX N 430R2063009471973RES MF 47

20、0 1/5W 5% AX N 470R149-150 R1553009472973RES MF 4.7K 1/5W 5% AX N 4.7KR184-185R1563009473973RES MF 47K 1/5W 5% AX N 47KR103-1043009561973RES MF 560 1/5W 5% AX N 560R119-120R128-129 R161R110 R160 R205 3009562973RES MF 5.6K 1/5W 5% AX N 5.6KR162 R167 R169 3009563973RES MF 56K 1/5W 5% AX N 56KR121-1223

21、009682973RES MF 6.8K 1/5W 5% AX N 6.8KR130-131MAIN BD (C4005407500)ELECTRICAL PARTLISTRef No.Part No.DescriptionValueCN1024428595002CON WAFER BOX(M) 2P STLW5267-02CN101 4428595003CON WAFER BOX(M) 3P STLW5267-03VR1063228089510VR ROT HOR 1U BUSH L20 10K A10KALD12300030006LED RND 3.1MM RED CLR 1U ST2.5

22、REDTER1C4465995803TERMINAL SCREW 3PTERMINAL 3PCN2014428595003CON WAFER BOX(M) 3P STLW5267-03TER2C4465995805TERMINAL SCREW 5PTERMINAL 5PCN3014428596505CON WAFER LOCK(M) 5P STLA1143-054308989810ASSY AC CORD 2P 3A 250VAC K4308990110ASSY AC CORD 3P 16A 250VAC V4308998610AC CORD 2P 3A 250VAC K4308000430A

23、C CORD 2P 2.5A 250VAC V4308995510AC CORD KKP-660 BSI4308995410AC CORD KKP-560A SAA4448200210CLLOSE & CONNECTOR CEC2SQ4355705907CON ASSY 1P 150MM BLK4458000110FUSE HOLDER (EDK20MM) FH-033F15508412239FUSE 20MM T 1A 250V K/U/CS/JT1AL/250VOPTC2818085200TRANS OPT 70/100V 35W PA-935AO.P.TPTC2828054600TRAN

24、S POWER 100V PA-935A 100VC2828054610TRANS POWER 120V PA-935A 120VC2828054620TRANS PW EI 220V 29.4V 1.04A220VC2828054630TRANS PW EI 230V 29.4V 1.04A 230VC2828054640TRANS PW EI 240V 29.4V 1.04A 240VASSYMAS VR/PW LED BD (C4005407510)TEL IN BD (C4005407520)OUTPUT BD (C4005407530)WIRING DIAGRAMBLOCK DIAGRAMSCHEMATIC DIAGRAM