Zeppelin PERCOLATOR Assembly Instructions Manual page 40

2 watt tube amp / 1x8 combo kit
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114
6.
Turn on the power switch.
WARNING!
As soon as you turn on the Percolator, there is HIGH VOLTAGE across several
parts of the exposed circuit board. Touching the board could shock, injure or kill you!
NEVER TOUCH ANY PART OF THE CIRCUIT BOARD WHEN THE AMP IS PLUGGED INTO
THE WALL!
The red LED should immediately turn on
measure the junction of C12 and R17 (TP2 in "Figure 3: Voltage Reference" on page 41). It
should read around 6.5VDC. If it does, it means you either installed the LED backwards, or you
installed the wrong resistor in R17. Switch off the amp, unplug the power cable and fix the
problem. If TP2 does not read around 6.5VDC (by a large percentage) double check C12 and/
or BR2 to make sure they are in the proper orientation.
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113
(if it does, skip to the next step). If it doesn't, then
115
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