InterM-PA935A-pa-sm维修电路原理图.pdf

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1、SERVICE MANUAL PA-935A PUBLIC ADDRESS AMPLIFIER RadioFans.CN 收音机爱好者资料库 ELECTRICAL ADJUSTMENT PROCEDURE 1. Connection 2. 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

2、. RadioFans.CN 收音机爱好者资料库 ELECTRICAL Rated Output Power (at THD : 5%) . 5W(RMS) Frequency Response (3dB) MIC 1,2,3 . 150Hz12kHz AUX . 80Hz15kHz CD/SATELLITE . 80Hz15kHz TELEPHONE . 330Hz3kHz Total Harmonic Distortion (at Rated Output, 1kHz) . Less Than 5% Signal to Noise Ratio MIC 1,2,3 . Better tha

3、n 55dB AUX, CD/SATELLITE, TELEPHONE . Better than 65dB Input Sensitivity/Impedance MIC 1,2,3 . -50dB/600 AUX . -15dB/10k CD/SATELLITE . 0dB/10K TELEPHONE . 0.775V/600 Output Voltage/Impedance . 4/11.8V, 8/16.7V, 140/70V, 285/100V GENERAL Power Source . 100-120VAC or 220-240VAC; 50/60Hz (Supplied AC

4、mains transformer depends on country requirements) Power Consumption . 40W Weight . 4.4kg/9.7lb Dimensions . 290(W)x76(H)x185(D)mm / 11.4(W)x3(H)x7.3(D)in * Specifications and design subject to change without notice. SPECIFICATIONS Ref No.Part No.DescriptionValueRef No.Part No.DescriptionValue R105-

5、1063009752973RES MF 7.5K 1/5W 5% AX N TA7.5K R137 R1823009821973RES MF 820 1/5W 5% AX N TA820 TP1-24678699410CNT PLUG 1PCNT1PR2003039100572-F RES MF 10 2W 5% AX P10 2W Q110 Q1172008206997-T TR SG PNP KTA1024 TOA1024YR209-2103039221572-F RES MF 220 2W 5% AX P220 2W Q1132008206998-T TR SG PNP KTA1023

6、TKTA1023YVR104-1053228089410VR ROT HOR 1U BUSH L20 100K W100KW Q1112008407970-T TR SG NPN KTC1027 TC1027YVR101-1033228089510VR ROT HOR 1U BUSH L20 10K A10KA Q101-1032008606104-T TR SG NPN KTC3198 TOC3198YSVR102-1033228090110-S VR SEMI CE TOP 5MM 10K10K Q105-106SVR1043248520120-T RES SEMI FT-63 TP(20

7、0)200 Q104 Q1072008606998-T TR SG NPN KTD1302 TOD1302SVR1013248550220-T RES SEMI FT-63 TP(5K)5K Q115-116C172-1733408222261CAP E SM SG 85C 2200UF 35V M 12200/35 Q108-1092008606999-T TR SG NPN KTC3198 TOC3198BLC103-104 C1063409210071-T CAP E SM SG 85C 10UF 50V M 5P10/50 Q112 Q1142028443879TR PW NPN 2S

8、C5197TO-3C5197C118-119 C122 BD2058100995DIODE BR PBPC-306 SB-3PBPC306C125-126 C128 D1042058100996DIODE RE 1N4006 DO-41 1N 4006C131 C161 D101-1022058304100DIODE SW 1N4148M DO-1N4148C1593409210071-T CAP E SM SG 85C 10UF 50V M 5P 10/50 D105-112C107 C110-1113409210141-T CAP E SM SG 85C 100UF 25V M 6P100

9、/25 D1032058502180DIODE ZN 500MW BM 18V DO-3518BMC121 C129 C138 U101-1022118010432IC OP AMP NJM2068D DIP82068DDC142 C147 C153 U103-1042118010590IC OP AMP NJM4558D DIP84558DC156-157 U1062128610800IC VOLT REG -15V 1A 7915 TO-227915C164-166 U1052128610900IC VOLT REG 15V 1A 7815 TO-2207815C160 C16734092

10、10171-T CAP E SM SG 85C 100UF 50V M 8P100/50 R189 R1913009100973RES MF 10 1/5W 5% AX N 10C170-171 R107 R112-1133009101973RES MF 100 1/5W 5% AX N 100C108 C114 C137 3409210971-T CAP E SM SG 85C 1UF 50V M 5P T1/50 R123 R132 R151C144 C1463409222971-T CAP E SM SG 85C 2.2UF 50V M 5P2.2/50 R174 R176 R186C1

11、433409233071-T CAP E SM SG 85C 33UF 50V M 6P 33/50 R188 R201C1583409233871-T CAP E SM SG 85C 0.33UF 50V M 60.33/50 R153 R1783009102973RES MF 1K 1/5W 5% AX N 1KC115 C1303409247871-T CAP E SM SG 85C 0.47UF 50V M 50.47/50 R101-102 R1083009103973RES MF 10K 1/5W 5% AX N 10KC134-135 R115 R117-118C112 C154

12、3409247971-T CAP E SM SG 85C 4.7UF 50V M 5P4.7/50 R126-127C113 C1553509101130-T CAP CE TEMP SL 100PF 50V J RA 100P R145-146 R152C101-1023509102530-T CAP CE HI-DI Y5P 1000PF 50V J 0.001 R172 R175 R177C116-117 R124 R1333009104973RES MF 100K 1/5W 5% AX N 100KC123-124 C136 R147-1483009122973RES MF 1.2K

13、1/5W 5% AX N 1.2KC174 R109 R125 R134 3009123973RES MF 12K 1/5W 5% AX N 12KC1053509121130-T CAP CE TEMP SL 120PF 50V J RA 120P R154 R202C120 C1273509150130-T CAP CE TEMP SL 15PF 50V J RA T15P R1113009124973RES MF 120K 1/5W 5% AX N 120KC1623509330130-T CAP CE TEMP SL 33PF 50V J RA T33P R1443009132973R

14、ES MF 1.3K 1/5W 5% AX N 1.3KC109 C1513509470130-T CAP CE TEMP SL 47PF 50V J RA T47P R1873009150973RES MF 15 1/5W 5% AX N 15C132-1333509472530-T CAP CE HI-DI Y5V 4700PF 50V Z 0.0047 R168 R1713009153973RES MF 15K 1/5W 5% AX N15KSP_CAP3549472407CAP CE AC Y2/X1 4700PF 250VAC 4700P R135-1363009182973RES

15、MF 1.8K 1/5W 5% AX N 1.8KC1403609103120-T CAP FILM POLYESTR 0.01UF 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 3009

16、223973RES CF 22K 1/5W J N22KC148 C1503609123120-T CAP FILM POLYESTR 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 R

17、1993009272973RES MF 2.7K 1/5W 5% AX N2.7KC139 C1413609683120-T CAP FILM POLYESTR 0.068UF 100V0.068(M) R1663009274973RES MF 270K 1/5W 5% AX N 270KAN1024355709101CON ASSY 2P 80MMASSY 2P_80 R170 R1733009303973RES MF 30K 1/5W 5% AX N 30KAN2014355709203CON ASSY 3P 100MMASSY 3P_100 R2043009330973RES MF 33

18、 1/5W 5% AX N 33AN1014355709309CON ASSY 3P 190MMASSY 3P_190 R1163009331973RES MF 330 1/5W 5% AX N 330CN1 CN94428596603CON WAFER LOCK(M) 3P STLW1143-03 R1143009332973RES MF 3.3K 1/5W 5% AX N 3.3KSW101-1024618001110SW SLIDE HOR DPDT NS L7.5SLIDE SW R1593009334973RES MF 330K 1/5W 5% AX N 330KSW46480985

19、10SW PUSH HOR SPST NS 1U BKT L18POWER SW R143 R2073009392973RES MF 3.9K 1/5W 5% AX N 3.9KR190 R192C3059228776RES CE 0.27 5W RA T0.27 5W R158 R164 R180 3009393973RES MF 39K 1/5W 5% AX N 39KJK1-4C4438097210JACK PHONE 1U 4P ANJY-6313 R2033009394973RES MF 390K 1/5W 5% AX N 390KJK5C4438189120JACK RCA 1U

20、2P ANRJ-1060 R1403009431973RES MF 430 1/5W 5% AX N 430 R2063009471973RES MF 470 1/5W 5% AX N 470 R149-150 R1553009472973RES MF 4.7K 1/5W 5% AX N 4.7K R184-185 R1563009473973RES MF 47K 1/5W 5% AX N 47K R103-1043009561973RES MF 560 1/5W 5% AX N 560 R119-120 R128-129 R161 R110 R160 R205 3009562973RES M

21、F 5.6K 1/5W 5% AX N 5.6K R162 R167 R169 3009563973RES MF 56K 1/5W 5% AX N 56K R121-1223009682973RES MF 6.8K 1/5W 5% AX N 6.8K R130-131 MAIN BD (C4005407500) ELECTRICAL PARTLIST Ref No.Part No.DescriptionValue CN1024428595002CON WAFER BOX(M) 2P STLW5267-02 CN101 4428595003CON WAFER BOX(M) 3P STLW5267

22、-03 VR1063228089510VR ROT HOR 1U BUSH L20 10K A10KA LD12300030006LED RND 3.1MM RED CLR 1U ST2.5RED TER1C4465995803TERMINAL SCREW 3PTERMINAL 3P CN2014428595003CON WAFER BOX(M) 3P STLW5267-03 TER2C4465995805TERMINAL SCREW 5PTERMINAL 5P CN3014428596505CON WAFER LOCK(M) 5P STLA1143-05 4308989810ASSY AC

23、CORD 2P 3A 250VAC K 4308990110ASSY AC CORD 3P 16A 250VAC V 4308998610AC CORD 2P 3A 250VAC K 4308000430AC CORD 2P 2.5A 250VAC V 4308995510AC CORD KKP-660 BSI 4308995410AC CORD KKP-560A SAA 4448200210CLLOSE & CONNECTOR CEC2SQ 4355705907CON ASSY 1P 150MM BLK 4458000110FUSE HOLDER (EDK20MM) FH-033 F1550

24、8412239FUSE 20MM T 1A 250V K/U/CS/JT1AL/250V OPTC2818085200TRANS OPT 70/100V 35W PA-935AO.P.T PTC2828054600TRANS POWER 100V PA-935A 100V C2828054610TRANS POWER 120V PA-935A 120V C2828054620TRANS PW EI 220V 29.4V 1.04A220V C2828054630TRANS PW EI 230V 29.4V 1.04A 230V C2828054640TRANS PW EI 240V 29.4V 1.04A 240V ASSY MAS VR/PW LED BD (C4005407510) TEL IN BD (C4005407520) OUTPUT BD (C4005407530) WIRING DIAGRAM BLOCK DIAGRAM SCHEMATIC DIAGRAM