Fostex-6301BE-pwr-sm维修电路原理图.pdf

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1、Service Manual Personal Monitor Self-Powered 6301B RadioFans.CN 收音机爱好者资料库 SAFETY INSTRUCTIONS Read instructions - All the safety and operating instruc- tions should be read before the appliance is operated. Retain instructions - The safety and operating instructions should be retained for future re

2、ference. Heed warnings - All warnings on the appliance and in the operating instructions should be adhered to. Follow instructions - All operating and use instructions should be followed. Water and Moisture - The appliance should not be used near water - for example, near a bathtub, washbowl, kitche

3、n sink, laundry tub, in a wet basement, or near a swimming pool, and the like. Carts and Stands - The appliance should be used only with a cart or stand that is recommended by the manufac- turer. An appliance and cart combination should be moved with care. Quick stops, excessive force, and uneven su

4、rfaces may cause the appliance and cart combination to over- turn. Wall or Ceiling Mounting - The appliance should be mounted to a wall or ceiling only as recommended by the manufacturer. Ventilation - The appliance should be situated so that its location or position does not interfere with its prop

5、er ven- tilation. For example, the appliance should not be situ- ated on a bed, sofa, rug, or similar surface that may block the ventilation openings; or, placed in a built-in installa- tion, such as a bookcase or cabinet that may impede the flow of air through the ventilation openings. Heat - The a

6、ppliance should be situated away from heat sources such as radiators, heat registers, stoves, or other appliances (including amplifiers) that produce heat. Power Sources - The appliance should be connected to a power supply only of the type described in the operating instructions or as marked on the

7、 appliance. Grounding or Polarization - The precautions that should be taken so that the grounding or polarization means of an appliance is not defeated. Power Cord Protection - Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against

8、 them, paying particular 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 should be unplugged from the outle

9、t when left unused for a long period of time. Object and Liquid Entry - Care should be taken so that objects 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

10、. 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 qualified service personnel. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO RE

11、DUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT, FULLY INSERT. POUR VITER LES CHOCS LECTRIQUES, INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRE- SPONDANTE DE LA PRISE E

12、T POUSSER JUSQU AU FOND. CAUTION: ATTENTION: The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and mainte- nance (servicing) instructions in the literature accompanying the appliance. The lightening flash with arrowhead symbol,

13、within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the products en- closure that may be of sufficient magnitude to constitute a risk of electric shock to persons. “WARNING” “TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPO

14、SE 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; or Objects have fallen, or liquid has been spilled into the appliance; or The appliance has been exposed to rain; or The appliance does not appear to operate normally or exhibits a m

15、arked changed in performance; or The appliance has been dropped, or the enclosure damaged. 9. 10. 11. 12. 13. 14. 15. 16. 17. RadioFans.CN 收音机爱好者资料库 6301B/BX/BE 3 TABLE OF CONTENTS 1. SPECIFICATIONS . 3 2. OVERALL EXPLODED VIEW. 4 3. PCB ASSY AND PARTS LIST. 6 4. PATTERN DRAWING. 8 5. CIRCUIT DIAGR

16、AMS. 9 USA/CND: 0260001 and onwards EUR: 0660001 and onwards UK: 0760001 and onwards JPN: 1060001 and onwards NOTES Adjustment procedures, parts list, pattern drawing and circuit diagrams are given in this manual to assist the service technician in maintaining the 6301B. For your information, this s

17、ervice manual complies to the 6301B with the followings are the serial number of 6301B. 1. SPECIFICATIONS SPEAKER ( Internal ) Type10cm Full Range Single Cone Impedance4 Efficiency84 dB/W (1m) AMPLIFIER Normal Input Level-10dBV Outputmore than 10Wrms ( 8 load ) Frequency Response20 50 kHz +0dB-3dB D

18、istortion0.05 % 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 20k Balanced type: Higher than 10k GENERAL Dimensions120 (W) 188 (H) 118 (D) mm Weight3.0 kg Power supply

19、 JPN100 VAC, 50/60 Hz USA/CND120 VAC, 60 Hz EUR/UK230 VAC, 50/60 Hz Power consumption33 W RadioFans.CN 收音机爱好者资料库 4 6301B/BX/BE PTT 3x8 Ni PTP WH 3x10 Bzn BTT 4x12 Bzn BTT 4x12 Bzn BTT 4x12 Bzn PTT 4x8 Bzn PTT 4x8 Bzn BTT 4x12 Bzn P 4x10 Bzn BTT 4x12 Bzn PTT 3x6 Czn PTT 3x6 Czn 16 20 19 17 18 24 15

20、15 23 22 13 15 12 10 9 11 14 8 157 21 6 5 7 4 3 1 2 2. OVERALL EXPLODED VIEW RadioFans.CN 收音机爱好者资料库 6301B/BX/BE 5 Ref. No.Part No.Description 18278001000Speaker, 10F05AV 28216034000Packing, Speaker 38220462100Cover, Speaker, B3/X/E 48226050000Button, Push, Power, B3/X/E 58226067000Knob, Pot, B3/X/E

21、 68210020100Box, Speaker, B3/X/E (192631) 78216213002Sound Absorbent, B3/X/E 88242041200Trans, Power, 120V, B3/X/E 8242042001Trans, Power, 220V/240V, B3/X/E 8242040200Trans, Power, 100V, B3/X/E 98274209000PCB Assy, Trans, B3X 108274216000PCB Assy, PowerAmp, B3/X/E 118220464000Bracket, PCB, B3/X/E 12

22、8239002000Insulator, IC, B3/X/E 138274210000PCB Assy, JK2, B3/X/E 148274211000PCB Assy, LineAmp, B3 8274212000PCB Assy, LineAmp, B3X 8274213000PCB Assy, LineAmp, B3E 158216198100Gasket, Rear, B3/X/E 168220463201Panel, Rear, B3 (192630) 8220463202Panel, Rear, B3X/E (192629) 178216196000Cover, XLR, B3

23、X/E 188245392000Conn, XLR, B3X/E 198207000209Bushing, B3/X/E 208276217000Cord, Power, B3/X/E, CSA 8276215000Cord, Power, B3/X/E, CND 8276216000Cord, Power, B3/X/E, EUR 8276879000Cord, Power, B3/X/E, UK 8276003000Cord, Power, B3/X/E, JPN 218253014008SW, Power, B3/X/E 228256075005Spark-Killer, 0.0047F

24、 238274214000PCB Assy, LED, B3/X/E 248274215000PCB Assy, VR, B3/X/E RadioFans.CN 收音机爱好者资料库 6 6301B/BX/BE 3. PCB ASSY AND PARTS LIST PCB Assy PowerAmp 8274216000 Ref. No.Part No.DescriptionBBXBE C0018232050471CAP, CER, 50V, 470pF, 5%* C0028232098105CAP, ALU, 50V, 1F, 20%* C003, 0048232097227CAP, ALU

25、, 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* R

26、0018230004102RES, 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%* R01082300

27、04222RES, CARBON, 1/4W, 2.2K, 5%* U0018234045600IC, PowerAmp, TDA2050* PCB Assy LineAmp 8274211000 Ref. No.Part No.DescriptionBBXBE C021, 0228232095106CAP, ALU, 16V, 10F, 20%* C021, 022Jumper* C0238232095106CAP, ALU, 16V, 10F, 20%* C024, 0258232096476CAP, ALU, 25V, 47F, 20%* R0218230004103RES, CARBO

28、N, 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

29、, 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* RadioFans.CN 收音机爱好者资料库 6301B/BX/BE 7 PCB Assy JK2 8

30、274210000 Ref. No.Part No.DescriptionBBXBE JK0028245103000Conn, Phone, B/BX/BE* PCB Assy VR 8274215000 Ref. No.Part No.DescriptionBBXBE VR0018240212002POT, 50KA, B/BX/BE* PCB Assy LED 8274214000 Ref. No.Part No.DescriptionBBXBE D0028234006400OPT, LED, RED, GL-3PR8* PCB Assy TRANS 8274209000 Ref. No.

31、Part No.DescriptionBBXBE R031, 0328230004512RES, CARBON, 1/4W, 5.1K, 5%* R0348230004102RES, CARBON, 1/4W, 1K, 5%* T0028242099000TRANS, LINE, BX* CN0028245053003Conn, JACK, 8263, 3P, WHT* RadioFans.CN 收音机爱好者资料库 8 6301B/BX/BE 4. PATTERN DRAWING 6301-104 VR 6301-102 LINE AMP 6301-105 LED VR1W41 W31 JK

32、2 OIG 6301-103G I/P S G W51 D2 R32 6301-106 TRANS 6301-101 POWER AMP R34 R31 PN R23 R27 R29R28 W21 V-V+SG ZD2ZD1 C23JK1JP7 JP6 U2 R24 R22C24 CN2/W26 C25 R25 R26 R21 C22 C21 ORG BRN YEL RED BLK W62G T2 CN1 C1 R2 C2 R1 W12 C3 C8 C11 C12 C9 C4 C5 C6 C7 R7 R8 U3 R10 D1 OIGSPKTO W13 W15 W11 ORG BLKORG W1

33、0 C10 R4 R5 U1 R6 W14 V-V+SGG I/P S G P N RadioFans.CN 收音机爱好者资料库 6301B/BX/BE 9 6301B 5. CIRCUIT DIAGRAMS 6301-104 2 1 3 4 W41 1 2 3 VR1 50KA 6301-101 R1 1K 2 1 3 4 W14 R2 56K C8 0.1 C2 1/50 C3 220/35 +VCC1 1 2 5 3 4 U1 TDA2050 2 1 3 W13 6301-103 1 4 2 JK2 2 1 3 W31 EXT SP SP SP1 C10 0.01 R8 10 2 1

34、W10 PGND1 C1 470P R5 56K C9 0.1 C4 220/35 -VCC1 6301-102 2 1 3 4 W21 1 4 2 JK1 2 1 3 4 W12 R6 15K C5 47/16 R4 1.2K C6 0.012 R7 1K C7 0.1 SGND1 6301-105 D2 POWER LED 2 1 W51 R10 2.2K 2 1 W15 +VCC1 PGND1 AC POWER IN P1 T1 S1 Z1 ORG BLK ORG 4 2 1 3 D1 W11 C11 4700/35 C12 4700/35 +VCC1 PGND1SGND1 -VCC1

35、RadioFans.CN 收音机爱好者资料库 10 6301B/BX/BE 6301BX 1 ORG 2 1 3 W62 6301-106 T2 1 BRN R31 5.1K R34 1K RED WHT GND BALANCE INPUT 3 21 J3 6301-102 1 RED R32 5.1K 1 2 3 CN1 2 1 3 WIPT 6301-1041 YEL 1 BLK 2 1 3 4 W41 1 2 3 VR1 50KA 6301-101 C3 220/35 +VCC1 EXT SP 6301-103 SP1 1 4 2 JK2 2 1 3 W13 2 1 3 W31 C10

36、 0.01 C8 0.1 C9 0.1 R8 10 1 2 5 3 4 U1 TDA2050 R1 1K C1 470P R2 56K C2 1/50 R27 3.9K C23 10/16 2 1 3 4 W14 SGND 6 5 7 U2B 4560 R23 3.9K R25 3.9K JP6 R22 1K +VCC -VCC 2 3 8 4 1 U2A 4560 R24 10K C21 NON 2 1 3 CN2/W26 R21 NON SGND JP7 UNBALANCE INPUT 1 4 2 JK1 ZD1 15B2 C22 NON +VCC SGND SGND SGND R28 1

37、K R26 NON R4 1.2K R5 56K R6 15K C6 0.012 R7 1K C7 0.1 C4 220/35 -VCC1 2 1 W10 PGND1 SP 6301-105+VCC1 SGND1 C5 47/16 2 1 3 4 W12 2 1 3 4 W21 R29 1K C24 47/25 C25 47/25 ZD2 15B2 SGND -VCC S1 Z1 P1 ORG T1 W11 4 2 1 3 D1 R10 2.2K +VCC1 D2 POWER LED 2 1 W15 PGND1 2 1 W51 C11 4700/35 C12 4700/35 -VCC1 SGN

38、D1PGND1 BLK ORG AC POWER IN RadioFans.CN 收音机爱好者资料库 6301B/BX/BE 11 6301BE 6301-104 6301-102 R23 3.9K 2 1 3 4 W41 1 2 3 VR1 50KA 6301-101 C8 0.1 C3 220/35 +VCC1 EXT SP SP 6301-103 SP1 1 4 2 JK2 2 1 W10 2 1 3 W31 2 1 3 W13 C10 0.01 C9 0.1 C4 220/35 R8 10 -VCC1 1 2 5 3 4 U1 TDA2050R1 1K C1 470P R2 56K

39、C2 1/50 R27 3.9K C23 10/16 2 1 3 4 W14 SGND 6 5 7 U2B 4560 R25 3.9K JP6 R26 10K R22 10K +VCC -VCC 2 3 8 4 1 U2A 4560 JP7 1 2 3 CN2/W26 R21 10K C21 10/16 C22 10/16 R24 NON SGND SGND SGND RED WHT GND BALANCE INPUT 3 21 J3 2 1 3 WIPT UNBALANCE INPUT 1 4 2 JK1 C24 47/25 ZD1 15B2 +VCC SGND R28 1K 2 1 3 4

40、 W12 2 1 3 4 W21 C5 47/16 R4 1.2K R5 56K R6 15K C6 0.012 R7 1K C7 0.1 PGND1 6301-105 D2 POWER LED 2 1 W15 2 1 W51 R10 2.2K +VCC1 SGND1 R29 1K C25 47/25 ZD2 15B2 SGND -VCC AC POWER IN S1 Z1 P1 ORG BLK T1 W11 4 2 1 3 D1 C11 4700/35 +VCC1 PGND1 C12 4700/35 -VCC1 SGND1PGND1 ORG RadioFans.CN 收音机爱好者资料库 FOSTEX CORPORATION 3-2-35 Musashino, Akishima, Tokyo, Japan 196-0021 FOSTEX CORPORATION OF AMERICA 15431 Blackburn Ave., Norwalk, CA 90650, U.S.A. PRINTED IN JAPAN FEB 1999 8288779000 RadioFans.CN 收音机爱好者资料库