Modification 3&4

Modification 1&2

Add Capacitor (d) PRE-EQ • PRE-FADER • PRE-ALT/MUTE

MODIFICATION

Add Jumper (d)

Add Jumper (d)

Cut here (c)

Cut here (c)

Modification 4 — Channel Insert PRE-EQ • PRE-FADER • PRE-ALT/MUTE

This modification moves the CR-1604’s Channel Access points to pre-EQ/pre-fader. You can modify any or all of the CR-1604’s first 8 channels. WARNING: This is an Advanced Deadly, Expert Level Modification. Don’t try this one at home!

1.Follow steps 1 through 5 at the bottom of page 31.

2.Cut traces as shown at points (a), (b) and (c) in the upper drawing at left.

3.Add jumpers (d) & (e). Don’t smash the jumper down onto the circuit board. Let it “arch” above.

4.Add a 22-microfarad/25-volt electrolytic capacitor as shown (f) — polarity doesn’t matter. You will need to solder a wire onto one or both ends.

5.Follow steps 9 to 11 at the bottom of page 31.

Any internal modification of the CR-1604 must be performed by a competent electronic technician. Mackie Designs accepts no responsibility in the event of improperly performed modifications or other damages and, in such cases, may declare warranty privileges void.

*Note: Traces on different channels may vary slightly from the drawing. (Engineering sez channel strips are like snowflakes).

TECH

STUFF

POD

b b

a

MAIN CHASSIS

POD

MAIN CHASSIS

POD

33