InterM-A120-pwr-sm 维修电路原理图.pdf

《InterM-A120-pwr-sm 维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《InterM-A120-pwr-sm 维修电路原理图.pdf（9页珍藏版）》请在收音机爱好者资料库上搜索。

1、www.inter-MADE IN KOREANO: 9007985000SERVICEMANUALPUBLIC ADDRESSAMPLIFIERA-60/120RadioFans.CN 收音机爱 好者资料库1AMP SECTION1. OFF SET VOLTAGEA. SettingSet the master volume control minimum.B. ConnectionC. AdjustmentControl OFFSET until voltmeter is the “0” position. (at Output Terminal)2. IDLE CURRENTA. Se

2、ttingSet the master volume control minimum.B. ConnectionC. AdjustmentA-60: Adjust VR11 so that the current through the R56 and R58 become 10 milliampere. When thatvoltage is 10 millivolt, the current becomes 10 milliampere.A-120: Adjust VR11 so that the current through the R56 and R58 become 5 milli

3、ampere. When thatvoltage is 5 millivolt, the current becomes 10 milliampere.ELECTRICAL ADJUSTMENT PROCEDUREIDLE VR10OFFSETMAIN PCB (4005181100)VOLT METERCHASSISR56R57R58R59IDLE VR11MAIN BD (4005181100)VOLT METERElectrical Adjustment Procedure1Specifications2Electrical Parts List3, 4Top and Bottom Vi

4、ew of P.C. Board5Wiring Diagram6Block Diagram 7Schematic Diagram8, 9Exploded View of Cabinet & Chassis / Mechanical Parts List10, 11Assy Drawing12, 13CONTENTSRadioFans.CN 收音机爱 好者资料库3ELECTRICAL PARTS LISTRef No.Part No.ValueDescriptionQ16-172008206998-TTR PNP 2SA 965Y(KTA 1023Y)2SA 965YQ18-1920084079

5、70-TTR NPN KTC 2SC 2235Y(KTC1027Y)2SC 2235YQ21 Q1062008606104-TTR NPN KTC 3198YKTC 3198YQ222008606105-TTR PNP KTA 1266YKTA 1266YQ12-15 Q202008606108-TTR NPN KTC2240BL (KTC 3200BL)KTC 2240BLQ1002008606998-TTR NPN KTD 1302 KEC ONLYKTD1302Q101-1032008606998-TTR NPN KTD 1302 KEC ONLYKTD 1302Q8(A60)20281

6、07106TR PNP 2SB688(O)/2SA19402SB 688Q8-9(A120)2028107118TR PNP 2SA1943 TOSHIBA2SA1943Q112028107984TR PNP 2SA 1306A(Y),KTA1659A(YKTA 1659AQ6(A60)2028407109TR NPN 2SC5197 TOSHIBA2SD 718Q6-7(A120)2028407122TR NPN 2SC5200 TOSHIBA2SC5200Q102028407990TR NPN 2SC 3298A(Y),KTC4370A(YKTC 4370AD16-172058010101

7、DIODE IN 601N 60D1002058100103DIODE KBPC-2504(SB256)LUG TYPEKBPC2504D142058100996DIODE RECTIFIER LT1N4006(4007)1N 4006D15 D101-104 2058100996DIODE RECTIFIER LT1N4006(4007)1N4006D10-132058304100DIODE IN4148M1N 4148D105-106ZD1092058502120DIODE ZENER UZ-12BM(1N5242B)UZ-12BMIC111-1122118030405IC KEC KIA

8、 6966SKIA6966SIC82118050410IC TA7317P TOSHIBATA 7317PIC1012128611000IC KA7818 COMMON7818IC1022128611100IC KA7918 COMMON7918TH1-22438209011THERMISTOR YSG-503J L=100MM50KR773009101973RES CF 100 1/5W J N100R71-72 R813009102973RES CF 1K 1/5W J N1KR69 R74-763009103973RES CF 10K 1/5W J N10KR93 R1873009104

9、973RES CF 100K 1/5W J N100KR68 R86-873009152973RES CF 1.5K 1/5W J N1.5KR88 R963009153973RES CF 15K 1/5W J N15KR98 R92 R65 R833009182973RES CF 1.8K 1/5W J N1.8KR663009203973RES CF 20K 1/5W J N20KR78-793009221973RES CF 220 1/5W J N220R973009224973RES CF 220K 1/5W J N220KR903009302973RES CF 3K 1/5W J N

10、3KR993009333973RES CF 33K 1/5W J N33KR733009471973RES CF 470 1/5W J N470R70 R953009473973RES CF 47K 1/5W J N47KR803009562973RES CF 5.6K 1/5W J N5.6KR89 R91 R943009563973RES CF 56K 1/5W J N56KR100R673009821973RES CF 820 1/5W J N820R623039103575-TRES MO 10K 2W JR10K 2WR633039152575-TRES MO 1.5K 2W J R

11、ADIAL1.5K 2WR60-613039203473-FRES MO 20K 1W JN20K 1WR643039271575-TRES MO 270 2W J RADIAL270 2WR101-1023059100772RES CE 10 5W JN10/5WR54(A60)3009392973RES CF 3.9K 1/5W J N3.9KR54(A120)3009152973RES CF 1.5K 1/5W J N1.5KR9(A60)3009822973RES CF 8.2K 1/5W J N8.2KR9(A120)3009562973RES CF 5.6K 1/5W J N5.6

12、KR82(A60)3009103973RES CF 10K 1/5W J N10KR82(A120)3009133973RES CF 13K 1/5W J N13KR84-85(A60)3009123973RES CF 12K 1/5W J N12KR84-85(A120)3009203973RES CF 20K 1/5W J N20KR56-59(A60)3049478783RES CE 0.47 5W J T HAN NAE0.47/5WR56-59(A120)3059278783RES CE 0.27 5W J T0.27/5WVR93228082210VR RK09K111083MA1

13、0KBVR10-113248347120-TSES SEMI RH0638C100471470BC103-1043408222261CAP RSA 2200UF 35V SNAP 18 P2200/35C75-76 C793409210071-TCAP AF RSG 10UF 50V 5 P10/50C105-1063409210141-TCAP AF RSG 100UF 25V 6 P100/25C71 C1193409210971-TCAP AF RSG 1UF 50V 5 P1/50C128 C139C142 C144C147 C151C154-155C803409222071-TCAP

14、 AF RSG 22UF 50V 5 P22/50C773409233071-TCAP AF RSG 33UF 50V 6 P33/50MAIN BD (4005181100)Ref No.Part No.ValueDescriptionC72-74 C813409247071-TCAP AF RSG 47UF 50V 6 P47/50C117-118C137-138C149-150C152 C159C783409247871-TCAP AF RSG 0.47UF 50V 5 P0.47/50C112-1133409247971-TCAP AF RSG 4.7UF 50V 5 P4.7/50C

15、123-124C132-133C202-205C67 C69-703509101130-TCAP CE SL 100PF 50V J100PC1113509102530-TCAP CE B 0.001UF 50V J0.001/50C1 C683509103530-TCAP CE F 0.01UF 50V Z0.01/50C107-1083509104530-TCAP CE F 0.1UF 50V Z0.1/50C663509470130-TCAP CE SL 47PF 50V J47PC1573609103120-TCAP MA 0.01UF 100V0.01/100(M)C300-3013

16、609104120-TCAP MA 0.1UF 100V J0.1/100(M)C303-304C156 C158C653609182120-TCAP MA 0.0018UF 100V J0.0018/100(M)C101-102(A60)3419533279CAP LSW332M 1HO25M(3300UF/50V)3300/6.3C101-102(A120)3419510379CAP E LPW103HIJP63V-WGB3 JAMIC10000/50FB101-1063908609990EMI FILTER 1000PFEMI 1000PIDLE1-34355469103WIRE JUM

17、PERJUMPERWAF94428595003LW5267/LWB0640/2.5MM-03PLW-5267-03PWAF54428595004LW5267/LWB0640/2.5MM-04PLW-5267-04PWAF7-84428595005LW5267/LWB0640/2.5MM-05PLW-5267-05PWAF44428595005LW5267/LWB0640/2.5MM-05PLW-5267-05PWAF34428596602WAFER LW-1143-02PLW-1143-02PWAF1-24428596603LOCK WAFER LW-1143-03PLW-1143-03PAU

18、X1-24438095210JACK RCA 4PRCA 4PMIC1-34438097310JACK PHONE 4PPHONE 4PF101-1025508411934FUSE TS 20MM 630MA/250V U/C/ST630mA/250VRLY15528008200RELAY DH24D1-0 24V (DAIICHI)HR-311IC103-105S21101080002IC 2068 SOIC8NJM 2068DDR109-110S30101017121RES TF 100 1/16W 1608100R123-124R135-136R184R113-114S301010271

19、21RES TF 1K 1/16W 16081KR119-120R105-106S30101027121RES TF 1K 1/16W 16081KR103-104S30101037121RES TF 10K 1/16W 160810KR111-112R117-118R127R132 R146R185-186S30101047121RES TF 100K 1/16W 1608100KR128S30101137121RES TF 11K 1/16W 160811KR139S30101237121RES TF 12K 1/16W 160812KR107 R108S30101247121RES TF

20、 120K 1/16W 1608120KR115 R121S30101847121RES TF 180K 1/16W 1608180KR116 R122R188S30102037121RES TF 20K 1/16W 160820KR125-126S30102217121RES TF 220 1/16W 1608220R130-131R137S30102237121RES TF 22K 1/16W 160822KR138S30102247121RES TF 220K 1/16W 1608220KR141S30102257121RES TF 2.2M 1/16W 16082.2MR190 R19

21、3S30103317121RES TF 330 1/16W 1608330R143S30103337121RES TF 33K 1/16W 160833KR142S30103937121RES TF 39K 1/16W 160839KR129 R134S30104727121RES TF 4.7K 1/16W 16084.7KR191 R133S30104737121RES TF 47K 1/16W 160847KR140 R145R144 R192S30105637121RES TF 56K 1/16W 160856KR147S30105647121RES TF 560K 1/16W 160

22、8560KR189S30108237121RES TF 82K 1/16W 160882KC110 C121-122S35101025321CAP CL 0.001UF 50V K 16080.001/50C130 C141C146 C131C143 C148S35100504321CAP CL 5PF 50V J 16085PC114 C125 S35101504321CAP CL 15PF 50V J 160815PC134C126 C127S35103304321CAP CL 33PF 50V J 160833PC135-1362SPECIFICATIONSELECTRICAL Rate

23、d Output/Impedance.A-60: 15.5V/4, 70V/81.6, 100V/166.7.A-120: 21.9V/4, 70V/40.8, 100V/83.3 Input Sensitivity/ImpedanceMIC 1-3. -60dB/600, BALAux 1 . -10dB/10k, UNBALAux 2 . +3dB/10k, UNBAL Frequency Response (3dB).80Hz16kHz T.H.D.Less than 1% S/NMIC.Better than 50dBAux.Better than 75dB Tone ControlH

24、IGH (10kHz).12dBLOW (100Hz) .12dBGENERAL Power Source .AC 100V240V, 50/60Hz Power Consumption.A-60: 75W.A-120: 105W Weight.A-60: 8.9kg.A-120: 10.3kg Dimensions.420(W)88(H)320(D)mm*Specifications and design subject to change without notice for improvements.5TOP AND BOTTOM VIEW OF P.C. BOARD4Ref No.Pa

25、rt No.ValueDescriptionC153S35104704321CAP CL 47PF 50V J 160847PC115 C116S35106804321CAP CL 68PF 50V J 160868PVR6-73228069180RK09S11F010353B50KBVR1-5 VR83228069190RK09S11B000313A10KAC164 C1673409210071-TCAP AF RSG 10UF 50V 5 P10/50C165 C1683409210071-TCAP AF RSG 10UF 50V 5 P10/50C1603409222071-TCAP A

26、F RSG 22UF 50V 5 P22/50C172 C1783409233071-TCAP AF RSG 33UF 50V 6 P33/50C162-1633409247071-TCAP AF RSG 47UF 50V 6 P47/50C170-171C1733609102120-TCAP MA 0.001UF 100V0.001/100(M)C175-1763609103120-TCAP MA 0.01UF 100V0.01/100(M)C1743609152120-TCAP MA 0.0015UF 100V J0.0015/100(M)CON94355740621CON ASS Y 3

27、P 510MM A-60/120CON ASS Y 3P(510MM)CON74355743319CON ASS Y 5P (450MM) A-60/120CON ASS Y 5P(450MM)CON84355764012CON ASS Y 5P (250MM) A-60/120CON ASS Y 5P(250MM)IC106-107S21101080002IC 2068 SOIC8NJM 2068DDR151-152S30101017121RES TF 100 1/16W 1608100R158-159R156S30101027121RES TF 1K 1/16W 16081KR157S30

28、101037121RES TF 10K 1/16W 160810KR165S30101227121RES TF 1.2K 1/16W 16081.2KR200-205S30101237121RES TF 12K 1/16W 160812KR208-209S30101337121RES TF 13K 1/16W 160813KR210S30101837121RES TF 18K 1/16W 160818KR148 R153S30102727121RES TF 2.7K 1/16W 16082.7KR206-207S30103927121RES TF 3.9K 1/16W 16083.9KR150

29、 R155S30104717121RES TF 470 1/16W 1608470R149 R154S30104737121RES TF 47K 1/16W 160847KC161 C166S35100504321CAP CL 5PF 50V J 16085PC177S35101004321CAP CL 10PF 50V J 160810PC169S35101514321CAP CL 150PF 50V J 1608150PLD1 LD7-82308684231LED REC KLR208 2*5 RED KECREDLD2-62308684271LED REC KLG208 2*5 GRE

30、KECGREENCON54355740421CON ASS Y 4P 510MM A-60/120CON ASS Y 4P(510MM)CON44355740521CON ASS Y 5P 510MM A-60/120CON ASS Y 5P(510MM)R1-8S30106817121RES TF 680 1/16W 1608680TER14408193904TERMINAL BLOCK(M) 4PTERMINAL BLOCK(M)4PTER24408194004TERMINAL BLOCK(F) 4PTERMINAL BLOCK(F)4PWAF64428596604LOCK WAFER L

31、W-1143-04PLW-1143-04PC1003549472407CAP DE2E3KH472MA4B0.0047/400VWAF114428596603LOCK WAFER LW-1143-03PLW-1143-03PSW14648199920SW POWER SDD1PASL011 A-60/120POWER S/WOPT1(A60)2818086100TRANS OUTPUT A-60O.P.TOPT1(A120)2818086200TRANS OUTPUT A-120O.P.TOPT1(A60UL)2818085900TRANS OUTPUT A-60(UL)O.P.TOPT1(A

32、120UL)2818086000TRANS OUTPUT A-120(UL)O.P.TPT1(A60)2828060000TRANS POWER 120V A-60120V2828060010TRANS POWER 220V A-60220V2828060020TRANS POWER 230V A-60230V2828060030TRANS POWER 240V A-60240VPT1(A120)2828059900TRANS POWER 120V A-120120V2828059910TRANS POWER 220V A-120220V2828059920TRANS POWER 230V A

33、-120230V2828059930TRANS POWER 240V A-120240VF100(A60)5508112937FUSE 51S 20MM 3A/250V K/U/C/J120V5508212730FUSE NB 20MM 2A/250V KS220V5508412736FUSE TS 20MM 2A/250V U/C/S/V230V/240VF100(A120)5508103337FUSE 53S 20MM 5A/250V K/U/C/J120V5508112837FUSE51S 20MM 2.5A/250V K/U/C/J220V5508412836FUSE TS 20MM

34、2.5A/250V U/C/S/V230V/240VOUTPUT LED BD (4005181120)SP TERMINAL BD (4005181130)POWER SW BD (4005181140)VOLUME BD (4005181110)76BLOCK DIAGRAMWIRING DIAGRAM98SCHEMATIC DIAGRAM1110EXPLODED VIEW OF CABINET & CHASSIS/MECHANICAL PARTS LISTA-120(OPT)A-120(PT)S27502088710056335999520854399811004857399411181

35、0923008380959969302828060010A-60/120 EXPLODED VIEW DWG PARTS, LIST048521990611PARTS NO8109330063810923010381093400838099130161SCREW #2BTC 3X8BASSY SCREW PM 4X18BSCREW #2BTC 3X10BSCREW #3BTC 4X8BKHEX MSPW 3X16YS8S3S4S6S7S5TRANS POWERBACK CHASSISSP TERMINAL BDJACK NUTSCREW #3BTC 3X6BDIODE20242322S221S

36、11815191716PARTS NAMEFRONT PANELPOWER SW BDKNOB PUSHHEAT SINKFOOTOUTPUT LED BDVOLUME BDBRACKET PCBHEAT SINK BKTMAIN BDINLAY67981314121011N0153421114111113111114111REMARK11 QTY12345678910111214131516171418192021222324S1S3S5S4S6S7S7S8S8S1S2S1S3S1S210485219906121A-60A-120KNOB CONTROL0485439983136KNOB C

37、ONTROL0485439970112400518111040051811204005181140CHASSIS MAIN6121674910650594201040051811006505968010205810010328280599101TRANS OUTPUT2818086200281808610010461029790110461029790154005181130TERMINAL BLOCK(F)4408194004STOPPER CORD65189998101CORD AC DOM 3 CORE43089997101046122089610TOP COVER1SCREW BM 3

38、X6B8009130063ASSY SCREW 3PTC 4X8B8095993410121043891A-60A-120A-60A-120A-60A-12085259984101312ASSY DRAWING42088320MAXTOP COVER04612208961011BACK CHASSIS04610297901104610297901204610297901304610297901412CONTROL KNOB0485439983136CONTROL KNOB0485439970112431AC CORD43089917101596SW POWER0485439972101FRON

39、T PANEL0485219906111A-600485219906121A-120A-60RCA JACK 4P4438095210121220V230V120V240V11RemarkNo.DescriptionPart NoQty04610297901504610297901604610297901704610297901811A-120A-60A-120A-60A-120A-60A-120220V230V120V240V11INLAY0485739941111CONTROL KNOB04854399701117PHONE JACK44380973103811SPEAKER TERMIN

40、AL4408193904110PUBLIC ADDRESS AMPLIFIERA-120PROT-14MINMAXMASTERMINMAXMIC 2POWERMINMAXMIC 1MINMAXMIC 3-12dB+12dBTREBLEMINMAXAUX 1MINMAXAUX 2-12dB+12dBBASSAC INPUT230V 50Hz, 105WMIC 1010MIC1 MUTEMIC 2MIC 3AUX 2AUX 1LR-10-7-30+3ONOFFS/NMADE IN KOREACAUTIONRISK OF ELECTRIC SHOCKDO NOT OPENCAUTION;TO RED

41、UCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER. NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.AVIS;RISQUE DE CHOC ELECTRIOUE NE PAS OUVRIR. PUBLIC ADDRESS AMPLIFIER MODEL: A-120COM100V (83 )WARNING;TO REDUCE THE RISK OF ELECTRIC SHOCK.DO NOT EXPOSE TUIS EQUIPMENT OR MOISTURE.70V(41 )4www.inter-123641091187512NOTE