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yamaha ca-1010

  1. Yamaha5000

    CA-1010 Unable to adjust Class A bias, Normal OK

    In class A, measure +/-B Vdc supply (red/white) wires to power amp boards, expect ballpark +/-22Vdc.
    • Yamaha5000
    • Thread
    • bias adjustmment yamaha ca-1010 yamaha power supply
    • Replies: 89
    • Forum: Yamaha
  2. Yamaha5000

    Capacitor & Resistor Schedules used by Yamaha

    Has anyone created a translation list of the symbols used by Yamaha? There are many components that are called for that appear to be a "Mystery of the Universe" Sorry to say I have discovered many more along this line.
    • Yamaha5000
    • Thread
    • cap identify capacitor resistor question resistors yamaha yamaha a-1 yamaha c-2 yamaha ca-1010
    • Replies: 57
    • Forum: Yamaha
  3. rschweitzer

    Yamaha CA-1010 amp power up/voltage issues

    I have a Yamaha CA-1010 amp that was operational when I got it, powered up, produced audio although very distorted and scratchy sounding. Initially found some bad caps on the power supply. Replaced all the electrolytic’s on that board and checked all voltages and they were stable. The amp...
  4. J

    Yamaha CA-1010 Power Meters Problem

    When I turn my Yamaha CA-1010 on or off, the power meters swing up to half scale then down. After that, operation is normal. I know it's a long shot and I have studied the meter board schematic until I want to scream, but can someone please help me solve the problem.
  5. J

    Yamaha CA-1010

    When I turn my Yamaha CA-1010 on or off, the power meters swing up to half scale then down. After that, operation is normal. I know it's a long shot and I have studied the meter board schematic until I want to scream, but can someone please help me solve the problem.
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