Installation

Air ventilation hole

Rear of the Unit

Caution

Do not block the unit’s fan or heat sink, thus preventing air circulation. If blocked, heat will accumulate inside the unit and may cause a fire.

Caution

When you install this unit in your car, do not remove the detachable front panel.

If the detachable front panel is removed during installation, you might press too hard and warp the metal plate that holds it in place.

The main unit must be mounted within 35 degrees of the horizontal plane, back to front.

Detachable Front

Panel

Less than 35°

1Remove the mounting sleeve from the main unit (refer to “Removal” on page 48).

Mounting Sleeve (Included)

Dashboard

Pressure Plates*

This unit

*If the installed mounting sleeve is loose in the dashboard, the pressure plates may be bent slightly to remedy the problem.

2Reinforce the head unit with a metal mounting strap (not

supplied). Secure the ground lead of the unit to a clean metal spot using a screw (*1) already attached to the

vehicle’s chassis.

Connect each input lead coming from an amplifier to the corresponding output lead coming from the left rear of the CDE-HD138BT/CDE-HD137BT. Connect all other leads of the CDE-HD138BT/CDE-HD137BT according to details described in the CONNECTIONS section.

Hex Nut (M5)

Screw

 

*2

 

Bolt Stud

Metal

Mounting

Strap

*1

This unit

Ground Lead

Chassis

Note

For the screw marked “*2”, use an appropriate screw for the chosen mounting location.

3Slide the CDE-HD138BT/CDE-HD137BT into the dashboard until it clicks. This ensures that the unit is properly locked and will not accidentally come out from the dashboard.

Install the detachable front panel.

Removal

1Remove the detachable front panel.

2Insert the bracket keys into the unit, along the guides on either side. The unit can now be removed from the mounting sleeve.

This unit

Bracket keys (Included)

48-EN

Page 48
Image 48
Alpine 68-21627Z10-A owner manual Installation, Removal, 48-EN