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Yamaha SYSTEM45 Service Manual

Manual is about: ELECTRIC ACOUSTIC GUITAR SENSOR PICKUP

Summary of SYSTEM45

  • Page 1

    Service manual cpx8 cpx8m contents specifications .................................................. 2 panel layout ..................................... 4 overall assembly ............................................ 5 electrical parts ............................................ 7 circuit board .....

  • Page 2: Specifications

    System45 2 impor tant notice this manual has been provided for the use of authorized yamaha retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically yamaha products, are already known and under- stood by the users, and h...

  • Page 3

    System45 3 • fpx300 • cjx12sa bl • apx9c • cpx8sy • dwx7c • cpx8m-12 • ljx6c.

  • Page 4: Panel Layout

    System45 4 1 vol. (volume) control 2 batt. (battery check) indicator 3 phase switch for the mic 4 mic. Vol. 5 equalizer controls for the bar sensor (piezo) 6 amf control panel layout pickups battery holder control section output jack (with power switch function) pickup bar sensor pickup condenser mi...

  • Page 5: Overall Assembly

    System45 5 overall assembly 1 10 6 2 4 3 5 9 8 7 a a 13 p150 p160 p100 p120 p170 p80 p60 p100 p70 p70 p10 p20 p130 p140 p90 p50 p110 p40 12 p30 pre-amplifier assembly （総組立） （アンプ ass y）.

  • Page 6

    System45 6 : new parts rank: japan only * * * * * * * * * * overall assembly system45 1 pickup assembly pu-l 13 2 connector housing xhp-2p 01 3 pre-amplifier assembly amp-z2 4 pan head screw 3.0x10 bl 2 5 floating nut 0.6t 2 03 6 truss head screw 2.5x6 bl 4 01 7 cord clamp 2 02 8 battery holder 05 9...

  • Page 7: Electrical Parts

    System45 7 electrical parts : new parts rank: japan only * * * * * * * * * * electrical parts system45 circuit board z2 (qc58840) circuit board z2 (qc58840) led spacer 17.7l 02 battery holder b snap i-type 250l 04 bushing kg-74 02 angle bracket a angle bracket b pan head screw 2.0x2.5 3 01 c1 cerami...

  • Page 8

    System45 8 : new parts rank: japan only * ref no. Part no. Description remarks qty rank r27 carbon resistor (chip) 4.7k j 01 r28 carbon resistor (chip) 6.8k j 01 r29 carbon resistor (chip) 22k j 01 -31 carbon resistor (chip) 22k j 01 r32 carbon resistor (chip) 1.0k j 01 r33 carbon resistor (chip) 10...

  • Page 9: Circuit Board

    System45 9 equalizer low vol. Phase mic vol. Mid high amf to output jack to pickup (bar sensor) to pickup (condenser mic) batt. Circuit board circuit diagram mc030-qc58830 2 z2 to pickup (condenser mic) to pickup (bar sensor) high eq. Low eq. Mid eq. Vol. Op amp op amp op amp reset amf output jack b...