Alpine TMX-R680A owner manual Gnd

Page 12

WIRING/CONNECTIONS

Remote Turn ON

Connecting to the IGN/ACC line for other ALPINE unit or other device such as a small amplifier to turn them ON synchronizing with the TMX-R680A power ON. It gives +12V when the power is ON.

GND

This is a common Ground for the main unit and the Dome light. Another GND line connects to Pin #2 of the external dome light SW.

BATT (Dome Light)

This is a constant +12V for the Dome light. Connect to the Dome light +12V line on the vehicle.

BATT (Main Unit)

This is a constant +12V for the main unit. It is recommended that separate connections from the Dome light battery line are used to avoid noise and over-current.

Delayed Dome

Door SW

Light Jumper

Polarity Jumper

Left Side View

Delayed Dome Light Jumper

This is a jumper to enable to the Delayed Dome Light function. When activated, the Dome light remains ON for 30 seconds after shutting the vehicle’s door. However, it immediately turns off when IGN/ACC is turned ON. It can also be turned off using the remote or the external dome light SW . Default is disabled.

Door SW Polarity Jumper

This is a jumper to change the factory door SW polarity. There are two common types of dome light circuits used, positive and negative switched.

Default is the Negative Switched System.

IMPORTANT:

When changing the Jumpers above, make sure the BATT (Main Unit) wire has not been connected. The Jumper settings will not be recognized if made while BATT is connected.

Variable Audio Output

The output of this connector can be used to drive an external amplifier/speaker combination. This output will mute when either of the headphone jacks are being used.

12

Image 12
Contents TMX-R680A Page Make the Correct Connections FEATURES/DESCRIPTION Operation Overhead Monitor Operation Dome Light/Remote Control Additional Dome Light FeaturePower SetupDome Light Volume SourceMute AV-1 Mini DIN-Connector AV-2 Mini-DIN Connector 5m Mini-DIN Extension Cable AV RCA Connector Video, Audio R, Audio L IGN/ACC RedGND Black IR Remote Out White/BrownRight Side View GND Specifications Typical Rear Seat Entertainment System Page Alpine ELECTRONICS, INC