Martin MAC 500 - Olor Wheel Module; Obo and Iris Focus Prism Module

1998-08-036 MAC 500
2.4 C
OLOR WHEEL MODULE
2.4.1 R
EMOVE MODULE
1. Refer to figure Figure 2-1. Working from the top of the head, remove the top air flow plate (A) and Hall sensor
module (B). There is no need to cut the tie holding the wires to the Hall sensor module.
2. Unplug the motor wires. Unscrew 2 screws from the bottom of the chassis first and then the screw on the top of
the module.
3. Clip the tie attaching the prism and focus motor cables to the color module and carefully lift it out.
4. Installation is the reverse of the above procedure. Make sure the ground wire is connected to the chassis after
installing the module.
2.4.2 R
EMOVE COLOR WHEELS
1. Remove the color wheel module.
2. Loosen the adaptor set screws and remove the color wheels.
2.4.3 I
NSTALL COLOR WHEELS
1. Remove scratches in the motor axles with a fine file or sandpaper.
2. Refer to Figure 2-1. First install color wheel 2 (C) as shown. Color wheel 2 has 4 CTC filters and its adaptor is
on the side as the color filters. Position the face of the wheel 2 mm from the face of the motor and tighten a set
screw slightly to fix the position along the shaft.
3. Install color wheel 1 (D) on the other motor as shown. The adaptor on color wheel 1 is on the opposite side as
the color filters. Position the face of the adaptor 2 mm from the face of the motor and tighten a set screw slightly
to fix the position along the shaft.
4. Check that the inside wheel turns freely.
5. Replace the color wheel module and adjust the wheels as described in section3.4.
2.5 G
OBO
(
AND IRIS
/
FOCUS
/
PRISM
)
MODULE
2.5.1 R
EMOVE MODULE
1. Refer to Figure 2-1. Working from the top of the head, remove the top air flow plate (A) and Hall sensor module
(B). There is no need to cut the tie holding the wires to the Hall sensor module.
2. Remove the bottom air flow plate and unplug the bottom Hall sensor. Unplug all motors on the module.
3. The gobo module is secured to the bottom of the chassis with 2 screws. Hold it as you remove the screw. Care-
fully lift out the module and place it upside down on the work table.
4. Installation is the reverse of the above procedure. When plugging in the bottom Hall sensor, the side of the plug
where the wires attach faces down, towards the circuit board.
2.5.2 R
EMOVE ROTATING
-
GOBO WHEEL
1. Remove the gobo module.
2. Refer to Figure 2-2. Unscrew the 3 screws (I) and remove the wheel (J).
2.5.3 I
NSTALL ROTATING
-
GOBO WHEEL
1. Turn the gobo wheel adaptor (G) clockwise until it stops.
2. Place the wheel (J) over the adaptor as shown with the open position centered in the light path.
3. Align the holes and screw in the 3 screws (I).
4. The rotating-gobo wheel does not normally require adjustment after replacement.
2.5.4 R
EMOVE FIXED
-
GOBO WHEEL
1. Remove the rotating-gobo wheel.