Fostex-6301BX-pwr-sm(1)维修电路原理图.pdf

Service ManualPersonal Monitor Self-Powered6301BRadioFans.CN 收音机爱 好者资料库SAFETY INSTRUCTIONSRead instructions - All the safety and operating instruc-tions should be read before the appliance is operated.Retain instructions - The safety and operating instructionsshould be retained for future reference.Heed warnings - All warnings on the appliance and in theoperating instructions should be adhered to.Follow instructions - All operating and use instructionsshould be followed.Water and Moisture - The appliance should not be usednear water - for example, near a bathtub, washbowl,kitchen sink, laundry tub, in a wet basement, or near aswimming pool, and the like.Carts and Stands - The appliance should be used onlywith a cart or stand that is recommended by the manufac-turer.An appliance and cart combination should be moved withcare. Quick stops, excessive force, and uneven surfacesmay cause the appliance and cart combination to over-turn.Wall or Ceiling Mounting - The appliance should bemounted to a wall or ceiling only as recommended by themanufacturer.Ventilation - The appliance should be situated so that itslocation or position does not interfere with its proper ven-tilation. For example, the appliance should not be situ-ated on a bed, sofa, rug, or similar surface that may blockthe ventilation openings; or, placed in a built-in installa-tion, such as a bookcase or cabinet that may impede theflow of air through the ventilation openings.Heat - The appliance should be situated away from heatsources such as radiators, heat registers, stoves, or otherappliances (including amplifiers) that produce heat.Power Sources - The appliance should be connected to apower supply only of the type described in the operatinginstructions or as marked on the appliance.Grounding or Polarization - The precautions that shouldbe taken so that the grounding or polarization means ofan appliance is not defeated.Power Cord Protection - Power supply cords should berouted so that they are not likely to be walked on orpinched by items placed upon or against them, payingparticular attention to cords at plugs, convenience recep-tacles, and the point where they exit from the appliance.Cleaning - The appliance should be cleaned only as rec-ommended by the manufacturer.Nonuse Periods - The power cord of the appliance shouldbe unplugged from the outlet when left unused for a longperiod of time.Object and Liquid Entry - Care should be taken so thatobjects do not fall and liquids are not spilled into the en-closure through openings.Damage requiring Service - The appliance should be ser-viced by qualified service personnel when:A.B.C.D.E.Servicing - The user should not attempt to service the ap-pliance beyond that described in the operating instruc-tions. All other servicing should be referred to qualifiedservice personnel.REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.CAUTIONRISK OF ELECTRIC SHOCKDO NOT OPENCAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,DO NOT REMOVE COVER (OR BACK).NO USER-SERVICEABLE PARTS INSIDE.TO PREVENT ELECTRIC SHOCK, MATCHWIDE BLADE OF PLUG TO WIDE SLOT,FULLY INSERT.POUR VITER LES CHOCS LECTRIQUES,INTRODUIRE LA LAME LA PLUS LARGE DELA FICHE DANS LA BORNE CORRE-SPONDANTE DE LA PRISE ET POUSSERJUSQU AU FOND.CAUTION:ATTENTION:The exclamation point within an equilateraltriangle is intended to alert the user to thepresence of important operating and mainte-nance (servicing) instructions in the literatureaccompanying the appliance.The lightening flash with arrowhead symbol,within an equilateral triangle, is intended toalert the user to the presence of uninsulated“dangerous voltage” within the products en-closure that may be of sufficient magnitude toconstitute a risk of electric shock to persons.“WARNING”“TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOIS-TURE.”1.2.3.4.5.6.7.8.The power supply cord or the plug has been damaged;orObjects have fallen, or liquid has been spilled into theappliance; orThe appliance has been exposed to rain; orThe appliance does not appear to operate normally orexhibits a marked changed in performance; orThe appliance has been dropped, or the enclosuredamaged.9.10.11.12.13.14.15.16.17.RadioFans.CN 收音机爱 好者资料库6301B/BX/BE3TABLE OF CONTENTS1. SPECIFICATIONS . 32. OVERALL EXPLODED VIEW. 43. PCB ASSY AND PARTS LIST. 64. PATTERN DRAWING. 85. CIRCUIT DIAGRAMS. 9USA/CND: 0260001 and onwardsEUR: 0660001 and onwardsUK: 0760001 and onwardsJPN: 1060001 and onwardsNOTESAdjustment procedures, parts list, pattern drawing and circuit diagrams are given in this manual to assistthe service technician in maintaining the 6301B.For your information, this service manual complies to the 6301B with the followings are the serialnumber of 6301B.1. SPECIFICATIONSSPEAKER ( Internal )Type10cm Full Range Single ConeImpedance4 Efficiency84 dB/W (1m)AMPLIFIERNormal Input Level-10dBVOutputmore than 10Wrms ( 8 load )Frequency Response20 50 kHz +0dB-3dBDistortion0.05 % or less ( at 1W output )Residual Noise-70dBV (0.3mV)Input SensitivityUnbalanced type: -6dBV (0.5Vrms)Balanced type: +4dBm (1.2Vrms)Input ImpedanceUnbalanced type: Higher than 20kBalanced type: Higher than 10kGENERALDimensions120 (W) 188 (H) 118 (D) mmWeight3.0 kgPower supplyJPN100 VAC, 50/60 HzUSA/CND120 VAC, 60 HzEUR/UK230 VAC, 50/60 HzPower consumption33 W46301B/BX/BEPTT3x8 NiPTP WH3x10 BznBTT4x12 BznBTT4x12 BznBTT4x12 BznPTT4x8 BznPTT4x8 BznBTT4x12 BznP 4x10 BznBTT4x12 BznPTT3x6 CznPTT3x6 Czn16201917182415152322131512109111481572165743122. OVERALL EXPLODED VIEW6301B/BX/BE5Ref. No.Part No.Description18278001000Speaker, 10F05AV28216034000Packing, Speaker38220462100Cover, Speaker, B3/X/E48226050000Button, Push, Power, B3/X/E58226067000Knob, Pot, B3/X/E68210020100Box, Speaker, B3/X/E (192631)78216213002Sound Absorbent, B3/X/E88242041200Trans, Power, 120V, B3/X/E8242042001Trans, Power, 220V/240V, B3/X/E8242040200Trans, Power, 100V, B3/X/E98274209000PCB Assy, Trans, B3X108274216000PCB Assy, PowerAmp, B3/X/E118220464000Bracket, PCB, B3/X/E128239002000Insulator, IC, B3/X/E138274210000PCB Assy, JK2, B3/X/E148274211000PCB Assy, LineAmp, B38274212000PCB Assy, LineAmp, B3X8274213000PCB Assy, LineAmp, B3E158216198100Gasket, Rear, B3/X/E168220463201Panel, Rear, B3 (192630)8220463202Panel, Rear, B3X/E (192629)178216196000Cover, XLR, B3X/E188245392000Conn, XLR, B3X/E198207000209Bushing, B3/X/E208276217000Cord, Power, B3/X/E, CSA8276215000Cord, Power, B3/X/E, CND8276216000Cord, Power, B3/X/E, EUR8276879000Cord, Power, B3/X/E, UK8276003000Cord, Power, B3/X/E, JPN218253014008SW, Power, B3/X/E228256075005Spark-Killer, 0.0047F238274214000PCB Assy, LED, B3/X/E248274215000PCB Assy, VR, B3/X/E66301B/BX/BE3. PCB ASSY AND PARTS LISTPCB Assy PowerAmp 8274216000Ref. No.Part No.DescriptionBBXBEC0018232050471CAP, CER, 50V, 470pF, 5%*C0028232098105CAP, ALU, 50V, 1F, 20%*C003, 0048232097227CAP, ALU, 35V, 220F, 20%*C0058232095476CAP, ALU, 16V, 47F, 20%*C0068232026123CAP, PES, 50V, 0.012F, 5%*C0078232026104CAP, PES, 50V, 0.1F, 5%*C008, 0098232074000CAP, CER, 50V, 0.1F, 20%*C0108232026103CAP, PES, 50V, 0.01F, 5%*C011, 0128232133478CAP, ALU, 35V, 4700F, 20%*D0018234001607D, STACK, 2W02G*R0018230004102RES, CARBON, 1/4W, 1K, 5%*R0028230004563RES, CARBON, 1/4W, 56K, 5%*R0048230004122RES, CARBON, 1/4W, 1.2K, 5%*R0058230004563RES, CARBON, 1/4W, 56K, 5%*R0068230004153RES, CARBON, 1/4W, 15K, 5%*R0078230004102RES, CARBON, 1/4W, 1K, 5%*R0088230004100RES, CARBON, 1/4W, 10, 5%*R0108230004222RES, CARBON, 1/4W, 2.2K, 5%*U0018234045600IC, PowerAmp, TDA2050*PCB Assy LineAmp 8274211000Ref. No.Part No.DescriptionBBXBEC021, 0228232095106CAP, ALU, 16V, 10F, 20%*C021, 022Jumper*C0238232095106CAP, ALU, 16V, 10F, 20%*C024, 0258232096476CAP, ALU, 25V, 47F, 20%*R0218230004103RES, CARBON, 1/4W, 10K, 5%*R0228230004103RES, CARBON, 1/4W, 10K, 5%*R0228230004102RES, CARBON, 1/4W, 1K, 5%*R0238230004392RES, CARBON, 1/4W, 3.9K, 5%*R0248230004103RES, CARBON, 1/4W, 10K, 5%*R024Jumper*R0258230004392RES, CARBON, 1/4W, 3.9K, 5%*R0268230004103RES, CARBON, 1/4W, 10K, 5%*R0278230004392RES, CARBON, 1/4W, 3.9K, 5%*R028, 0298230004102RES, CARBON, 1/4W, 1K, 5%*U00282360212000IC, Analog, NJM4560DX*DZ001, 0028234503959D, ZENER, MTZ J 15C*CN0028245053003Conn, JACK, 8263, 3P, WHT*JK0018245103000Conn, Phone, B/BX/BE*JP006, 007Jumper*6301B/BX/BE7PCB Assy JK2 8274210000Ref. No.Part No.DescriptionBBXBEJK0028245103000Conn, Phone, B/BX/BE*PCB Assy VR 8274215000Ref. No.Part No.DescriptionBBXBEVR0018240212002POT, 50KA, B/BX/BE*PCB Assy LED 8274214000Ref. No.Part No.DescriptionBBXBED0028234006400OPT, LED, RED, GL-3PR8*PCB Assy TRANS 8274209000Ref. No.Part No.DescriptionBBXBER031, 0328230004512RES, CARBON, 1/4W, 5.1K, 5%*R0348230004102RES, CARBON, 1/4W, 1K, 5%*T0028242099000TRANS, LINE, BX*CN0028245053003Conn, JACK, 8263, 3P, WHT*86301B/BX/BE4. PATTERN DRAWING6301-104 VR6301-102 LINE AMP6301-105 LEDVR1W41W31JK2OIG6301-103G I/P S GW51D2R326301-106TRANS6301-101POWER AMPR34R31PNR23R27R29R28W21V-V+SGZD2ZD1C23JK1JP7JP6U2R24R22C24CN2/W26C25R25R26R21C22C21ORGBRNYELREDBLKW62GT2CN1C1R2C2R1W12C3C8C11C12C9C4C5C6C7R7R8U3R10D1OIGSPKTOW13W15W11ORG BLKORGW10C10R4R5U1R6W14V-V+SGG I/P S GPN6301B/BX/BE96301B5. CIRCUIT DIAGRAMS6301-104 2 1 3 4W41123VR150KA6301-101R11K2134W14R256KC80.1C21/50C3220/35+VCC1 1 2534U1TDA2050 2 1 3W136301-103 1 4 2JK2213W31EXT SPSPSP1C100.01R810 2 1W10PGND1C1470PR556KC90.1C4220/35-VCC16301-102 2 1 3 4W21142JK12134W12R615KC547/16R41.2KC60.012R71KC70.1SGND16301-105D2POWER LED21W51R102.2K 2 1W15+VCC1PGND1AC POWER INP1T1S1Z1ORGBLKORG 4213D1W11C114700/35C124700/35+VCC1PGND1SGND1-VCC1106301B/BX/BE6301BX1ORG 2 1 3W626301-106T2 1BRNR315.1KR341KREDWHTGNDBALANCEINPUT3 21J36301-102 1REDR325.1K123CN1 2 1 3WIPT6301-1041YEL1BLK 2 1 3 4W41123VR150KA6301-101C3220/35+VCC1EXT SP6301-103SP1 1 4 2JK2 2 1 3W13213W31C100.01C80.1C90.1R810 1 2534U1TDA2050R11KC1470PR256KC21/50R273.9KC2310/162134W14SGND 6 57U2B4560R233.9KR253.9KJP6R221K+VCC-VCC 2 3841U2A4560R2410KC21NON213CN2/W26R21NONSGNDJP7UNBALANCEINPUT142JK1ZD115B2C22NON+VCCSGNDSGNDSGNDR281KR26NONR41.2KR556KR615KC60.012R71KC70.1C4220/35-VCC1 2 1W10PGND1SP6301-105+VCC1SGND1C547/162134W12 2 1 3 4W21R291KC2447/25C2547/25ZD215B2SGND-VCCS1Z1P1ORGT1W11 4213D1R102.2K+VCC1D2POWER LED 2 1W15PGND121W51C114700/35C124700/35-VCC1SGND1PGND1BLKORGAC POWER IN6301B/BX/BE116301BE6301-1046301-102R233.9K 2 1 3 4W41123VR150KA6301-101C80.1C3220/35+VCC1EXT SPSP6301-103SP1 1 4 2JK2 2 1W10213W31 2 1 3W13C100.01C90.1C4220/35R810-VCC1 1 2534U1TDA2050R11KC1470PR256KC21/50R273.9KC2310/162134W14SGND 6 57U2B4560R253.9KJP6R2610KR2210K+VCC-VCC 2 3841U2A4560JP7123CN2/W26R2110KC2110/16C2210/16R24NONSGNDSGNDSGNDREDWHTGNDBALANCEINPUT3 21J3 2 1 3WIPTUNBALANCEINPUT142JK1C2447/25ZD115B2+VCCSGNDR281K2134W12 2 1 3 4W21C547/16R41.2KR556KR615KC60.012R71KC70.1PGND16301-105D2POWER LED 2 1W1521W51R102.2K+VCC1SGND1R291KC2547/25ZD215B2SGND-VCCAC POWER INS1Z1P1ORGBLKT1W11 4213D1C114700/35+VCC1PGND1C124700/35-VCC1SGND1PGND1ORGFOSTEX CORPORATION 3-2-35 Musashino, Akishima, Tokyo, Japan 196-0021FOSTEX CORPORATION OF AMERICA 15431 Blackburn Ave., Norwalk, CA 90650, U.S.A. PRINTED IN JAPAN FEB 1999 8288779000