Fostex 6301b service manual
This is the 12 pages manual for fostex 6301b service manual.
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Extracted text from fostex 6301b service manual (Ocr-read)
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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 reference. 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, kitchen 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 surfaces 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 proper 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 appliance 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 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 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 outlet 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. 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 REDUCE 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 ÉVITER LES CHOCS ÉLECTRIQUES, INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRE- SPONDANTE DE LA PRISE ET 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, within an equilateral triangle, is intended to alert the user to the presence of uninsulated dangerous voltage within the product's 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 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; 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 marked changed in performance; or The appliance has been dropped, or the enclosure damaged. 9. 10. 11. 12. 13. 14. 15. 16. 17.
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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 DIAGRAMS .................................................................................. 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 y our inf orma tion, this ser vice man ual complies to the 6301B with the f ollo wings ar e the ser ial number of 6301B. 1. SPECIFICATIONS SPEAKER ( Internal ) Type10cm Full Range Single Cone Impedance4 W Efficiency84 dB/W (1m) AMPLIFIER Normal Input Level-10dBV Outputmore than 10Wrms ( 8 W load ) Frequency Response20 ~ 50 kHz +0dB-3dB Distortion0.05 % 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 20kW Balanced type : Higher than 10kW GENERAL Dimensions120 (W) ´ 188 (H) ´ 118 (D) mm Weight3.0 kg Power supply JPN100 VAC, 50/60 Hz USA/CND120 VAC, 60 Hz EUR/UK230 VAC, 50/60 Hz Power consumption33 W