Service Manual 6301B

Transcription

1 Service Manual 60B Personal Monitor Self-Powered

2 CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT, FULLY INSERT. CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. ATTENTION: 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. WARNING 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 enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOIS- TURE. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance. SAFETY INSTRUCTIONS Read instructions - All the safety and operating instructions 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 manufacturer. 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 overturn. 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 ventilation. For example, the appliance should not be situated on a bed, sofa, rug, or similar surface that may block the ventilation openings; or, placed in a built-in installation, 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 receptacles, and the point where they exit from the appliance. Cleaning - The appliance should be cleaned only as recommended 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 enclosure through openings. Damage requiring Service - The appliance should be serviced by qualified service personnel when: A. The power supply cord or the plug has been damaged; or B. Objects have fallen, or liquid has been spilled into the appliance; or C. The appliance has been exposed to rain; or D. The appliance does not appear to operate normally or exhibits a marked changed in performance; or E. The appliance has been dropped, or the enclosure damaged. Servicing - The user should not attempt to service the appliance beyond that described in the operating instructions. All other servicing should be referred to qualified service personnel.

3 60B/BX/BE TABLE OF CONTENTS. SPECIFICATIONS.... OVERALL EXPLODED VIEW.... PCB ASSY AND PARTS LIST PATTERN DRAWING CIRCUIT DIAGRAMS... 9 NOTES Adjustment procedures, parts list, pattern drawing and circuit diagrams are given in this manual to assist the service technician in maintaining the 60B. For your information, this service manual complies to the 60B with the followings are the serial number of 60B. USA/CND EUR UK JPN : and onwards : and onwards : and onwards : and onwards. SPECIFICATIONS SPEAKER ( Internal ) Type Impedance Efficiency 0cm Full Range Single Cone Ω 8 db/w (m) AMPLIFIER Normal Input Level -0dBV Output more than 0Wrms ( 8 Ω load ) Frequency Response 0 ~ 0 khz +0dB-dB Distortion 0.0 % or less ( at W output ) Residual Noise -70dBV (0.mV) Input Sensitivity Unbalanced type : -6dBV (0.Vrms) Balanced type : +dbm (.Vrms) Input Impedance Unbalanced type : Higher than 0kΩ Balanced type : Higher than 0kΩ GENERAL Dimensions Weight Power supply JPN USA/CND EUR/UK Power consumption 0 (W) 88 (H) 8 (D) mm.0 kg 00 VAC, 0/60 Hz 0 VAC, 60 Hz 0 VAC, 0/60 Hz W

4 BTT x Bzn BTT x Bzn 7 9 BTT x Bzn BTT x Bzn PTP WH x0 Bzn P x0 Bzn BTT x Bzn 8 0 PTT x8 Ni. OVERALL EXPLODED VIEW 60B/BX/BE PTT x8 Bzn 0 8 PTT x6 Czn 7 PTT x6 Czn PTT x8 Bzn 6

5 60B/BX/BE Ref. No. Part No. Description Speaker, 0F0AV Packing, Speaker Cover, Speaker, B/X/E Button, Push, Power, B/X/E Knob, Pot, B/X/E Box, Speaker, B/X/E (96) Sound Absorbent, B/X/E Trans, Power, 0V, B/X/E 8000 Trans, Power, 0V/0V, B/X/E Trans, Power, 00V, B/X/E PCB Assy, Trans, BX PCB Assy, PowerAmp, B/X/E Bracket, PCB, B/X/E Insulator, IC, B/X/E PCB Assy, JK, B/X/E PCB Assy, LineAmp, B PCB Assy, LineAmp, BX PCB Assy, LineAmp, BE Gasket, Rear, B/X/E Panel, Rear, B (960) 8060 Panel, Rear, BX/E (969) Cover, XLR, BX/E Conn, XLR, BX/E Bushing, B/X/E Cord, Power, B/X/E, CSA Cord, Power, B/X/E, CND Cord, Power, B/X/E, EUR Cord, Power, B/X/E, UK Cord, Power, B/X/E, JPN SW, Power, B/X/E Spark-Killer, 0.007µF PCB Assy, LED, B/X/E PCB Assy, VR, B/X/E

6 60B/BX/BE. PCB ASSY AND PARTS LIST PCB Assy PowerAmp Ref. No. Part No. Description B BX BE C CAP, CER, 0V, 70pF, % * * * C CAP, ALU, 0V, µf, 0% * * * C00, CAP, ALU, V, 0µF, 0% * * * C CAP, ALU, 6V, 7µF, 0% * * * C CAP, PES, 0V, 0.0µF, % * * * C CAP, PES, 0V, 0.µF, % * * * C008, CAP, CER, 0V, 0.µF, 0% * * * C CAP, PES, 0V, 0.0µF, % * * * C0, CAP, ALU, V, 700µF, 0% * * * D D, STACK, W0G * * * R RES, CARBON, /W, K, % * * * R RES, CARBON, /W, 6K, % * * * R RES, CARBON, /W,.K, % * * * R RES, CARBON, /W, 6K, % * * * R RES, CARBON, /W, K, % * * * R RES, CARBON, /W, K, % * * * R RES, CARBON, /W, 0, % * * * R RES, CARBON, /W,.K, % * * * U IC, PowerAmp, TDA00 * * * PCB Assy LineAmp Ref. No. Part No. Description B BX BE C0, CAP, ALU, 6V, 0µF, 0% * C0, 0 Jumper * C CAP, ALU, 6V, 0µF, 0% * * C0, CAP, ALU, V, 7µF, 0% * * R RES, CARBON, /W, 0K, % * R RES, CARBON, /W, 0K, % * R RES, CARBON, /W, K, % * R RES, CARBON, /W,.9K, % * * R RES, CARBON, /W, 0K, % * R0 Jumper * R RES, CARBON, /W,.9K, % * * R RES, CARBON, /W, 0K, % * R RES, CARBON, /W,.9K, % * * R08, RES, CARBON, /W, K, % * * U IC, Analog, NJM60DX * * DZ00, D, ZENER, MTZ J C * * CN Conn, JACK, 86, P, WHT * * JK Conn, Phone, B/BX/BE * JP006, 007 Jumper * 6

7 60B/BX/BE PCB Assy JK Ref. No. Part No. Description B BX BE JK Conn, Phone, B/BX/BE * * * PCB Assy VR Ref. No. Part No. Description B BX BE VR POT, 0KA, B/BX/BE * * * PCB Assy LED Ref. No. Part No. Description B BX BE D OPT, LED, RED, GL-PR8 * * * PCB Assy TRANS Ref. No. Part No. Description B BX BE R0, RES, CARBON, /W,.K, % * R RES, CARBON, /W, K, % * T TRANS, LINE, BX * CN Conn, JACK, 86, P, WHT * 7

8 60B/BX/BE. PATTERN DRAWING C 60-0 LINE AMP 60-0 VR 60-0 LED W R R R TRANS O I G VRW 60-0 G I/P S G N R9 R7 D P W R W G JP7 S V+ V- JK C R8 ZD ZD JK JP6 U C CN/W6 R C R R R R6 C R U T W6 G BRN BLK CN YEL RED 60-0 POWER AMP C8 W C R C C R C C W0 TO SPK R0 G I/P S G W D G G W I U R8 R7 C0 S C7 C6 C C C9 V+ O V- R6 R N W P BLK W 8

9 60B/BX/BE 9 60B. CIRCUIT DIAGRAMS 60-0 W VR 0KA 60-0 R K W R 6K C8 0. C /0 C 0/ +VCC U TDA00 W 60-0 JK W EXT SP SP SP C0 0.0 R8 0 W0 PGND C 70P R 6K C9 0. C 0/ -VCC 60-0 W JK W R6 K C 7/6 R.K C6 0.0 R7 K C D POWER LED W R0.K W +VCC PGND AC POWER IN P T S Z BLK D W C 700/ C 700/ +VCC PGND -VCC

10 0 60B/BX/BE 60BX W T BRN R.K R K RED WHT GND BALANCE INPUT J 60-0 RED R.K CN WIPT 60-0 YEL BLK W VR 0KA 60-0 C 0/ +VCC EXT SP 60-0 SP JK W W C0 0.0 C8 0. C9 0. R8 0 U TDA00 R K C 70P R 6K C /0 R7.9K C 0/6 W 6 7 UB 60 R.9K R.9K JP6 R K +VCC -VCC 8 UA 60 R 0K C NON CN/W6 R NON JP7 UNBALANCE INPUT JK ZD B C NON +VCC R8 K R6 NON R.K R 6K R6 K C6 0.0 R7 K C7 0. C 0/ -VCC W0 PGND SP VCC C 7/6 W W R9 K C 7/ C 7/ ZD B -VCC S Z P T W D R0.K +VCC D POWER LED W PGND W C 700/ C 700/ -VCC PGND BLK AC POWER IN

11 60B/BX/BE 60BE R.9K W VR 0KA 60-0 C8 0. C 0/ +VCC EXT SP SP 60-0 SP JK W0 W W C0 0.0 C9 0. C 0/ R8 0 -VCC U TDA00 R K C 70P R 6K C /0 R7.9K C 0/6 W 6 7 UB 60 R.9K JP6 R6 0K R 0K +VCC -VCC 8 UA 60 JP7 CN/W6 R 0K C 0/6 C 0/6 R NON RED WHT GND BALANCE INPUT J WIPT UNBALANCE INPUT JK C 7/ ZD B +VCC R8 K W W C 7/6 R.K R 6K R6 K C6 0.0 R7 K C7 0. PGND 60-0 D POWER LED W W R0.K +VCC R9 K C 7/ ZD B -VCC AC POWER IN S Z P BLK T W D C 700/ +VCC PGND C 700/ -VCC PGND

12 FOSTEX CORPORATION -- Musashino, Akishima, Tokyo, Japan FOSTEX CORPORATION OF AMERICA Blackburn Ave., Norwalk, CA 9060, U.S.A. PRINTED IN JAPAN FEB