Choke Coil Installation - Toa VM-2120 Instructions D'installation

13. CHOKE COIL INSTALLATION

Caution: Leave the following work to a qualified service technician.
Be sure to unplug the AC power cord before the work.
If a checkbox for the indication of "The choke coil is installed." on the rear panel of the VM amplifier is marked
with "X", this represents that the choke coil has been installed. Therefore, the following tasks are not
necessary. When you installed the choke coil, mark the checkbox with "X".
To suppress harmonic component radiation from the power line of the unit, install the optional Chock Coil CT-
200M.
Note: In the countries where use of the CE Marking conformity is obligated, the Choke Coil must be installed.
Step 1. Remove 4 screws on the amplifier rear panel and a total of 6 screws on the sides to remove the
cover.
Rear: M3 x 6 machine screw and M3 plain washer ..... 4 pieces
Step 2. Install the Chock Coil near the AC inlet inside the unit.
Fix the Choke Coil with its accessory screws from the unit bottom side.
Step 3. Remove the jumper connector from the
power input board connector (CN1202).
Step 4. Plug the Choke Coil connector into the
power input board connector (CN1202).
Step 5. Using the 4 rear panel screws and 6 side panel screws removed in Step 1, replace the amplifier
cover.
2
Rear panel
Bottom side
Side: M4 x 8 machine screw ..... 3 pieces each
CT-200M Choke coil
Tapping screw 4 x 10
Jumper connector
3
Power input board
AC inlet
Choke coil connector
4
CT-200M Choke coil
Rear panel