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Mackie M2600 - Test Points and Board Layouts

Mackie M2600
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7
AMP
OUT
BIAS
ADJUST
BIAS
TEST
-15V-AMP
Q24
Q25
R151
R146
J18
SOA
POWER
J19
SOA
TRANSIENT
MUTE-VA
ADD A TEMPORARY SHORT
(SEE TROUBLEHOOTING TIPS)
J2
R1
J3
J1
170 board (Bias and check points)
133 board (inrush bypassing)
186 board (fan speed adjustment)
Various test points
ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER
BRBRBRBRBR
-I SENSE
+I SENSE
+I SENSE
BRBRBR
BR= BASE RESISTOR (2.2 OHM, 1/4W FUSIBLE)
ER= EMITTER RESISTOR (0.33 OHM, 3W)
BR BRBRBRBRBRBR
ER
J6
129 channel board

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