Question about Zoom G2 MultiEffects Guitar Pedal
Display with point blinking
There is damage/burnt at Transistor Q4 or Q3 or both. Usually followed by R8. Replace it.
Q3 = BC337 (SMD marked as 6C) NPN.
Q4 = BC327 (SMD marked as 5A/B/C/D) PNP.
R8 = 470 ohm (SMD marked as 471).
Posted on Oct 08, 2015
I have had to service Many zoom pedals over the years, they are designed to fail.... the best unit ever was the original 505, anyways if it powers up there is hope, you can try electronics spray contact cleaner on every button and this might clear it up, hope this helps?
Posted on Feb 27, 2015
Testimonial: "Replace Q4 (smd transistor - 50W) Bottom pci. (edge)"
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Posted on Jan 02, 2017
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While the setting is shown in the display, press the CALIB key to
set the calibration.
Each time you press the key you will cycle through the following
0: 440 Hz 2: 442 Hz 4: 444 Hz 8: 438 Hz
1: 441 Hz 3: 443 Hz 5: 445 Hz 9: 439 Hz
When you have made the desired setting, wait approximately two
seconds without pressing the key.
The indication in the note display will blink three times, and the
calibration setting will be completed. You will then return to tuning
Just do it and stop on the 440 one.
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