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Good quality service manual.The scheme is on A3 format and very readable.Thank you
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Very good service-manual with clear electrical diagrams. Thanks you.
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the manual is in quite good quality and it's in pdf. manual was send in less then 6h.
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Absolutely top, I've got now all Service-Manuals I'll need to repair my Mackie-Mixer!
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The service manuel is very helpful, we where able to restore the device to its working operation again.
2. Servo Circuit
A. Unstable Video in PB Mode.
Does the on screen noise level change periodically?
YES
Do CTL pulses appear at IC501 pin 97?
YES NO
Does the CFG divideIC501 waveform appear at pin 87?
YES
Is the height of the CTL Head adjusted correctly?
NO
Do the CTL pulses move when TRK is operated?
YES NO
Adjust the CTL Head.
Does the Video Envelope waveform appear at IC501 Pin 9?
YES NO
Replace IC501.
Replace IC501.
Check Y/C Block.
3-7
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