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Reference: Pillow Speaker Setup
The pillow speaker will only be functional after the Express Script/
Custom Master TV Setup and/or cloning/USB configuration procedures
are complete.
Note: When Installer Menu item 027 HOSPITAL MODE is set to 254
(factory default value), there is no power (voltage) supplied to the pillow
speaker.
Connecting a Pillow Speaker to the TV
Connect the pillow speaker (see example at right) to the PILLOW
SPEAKER interface on the rear jack panel of the TV.
Caution: Use a pillow speaker that is a UL recognized
pendant control bearing the warning: “Risk of re if used in
oxygen enriched atmosphere. Keep pendant control away
from oxygen equipment.”
Controlling the TV with Serial Data
These TV models are capable of being controlled by a single-wire, serial
data signal. This is an LG patented technology and is being implemented
by certain brands of “smart” pillow speakers.
Pillow Speaker Interface
This connector provides an interface for patient-pendant remote control
or entertainment audio and nurse call systems. The following table
describes the pillow speaker interface pinout (see also diagram below).
Refer to the appropriate subsection on the following page, depending
on model, for additional information.
Pin No. Description
1 Analog external control for TV ON/OFF.
2 No connection
3 Analog external control for Channel Up or Serial Data In.
4 Common connection for control, data, and audio output.
5 Isolated Audio Output. Nominal 14 ohm source impedance
with short circuit protection. Intended for a pillow speaker with
a low-impedance, pad-type volume control.
6 Analog external control for Channel Down.
PILLOW SPEAKER
CHANNEL
VOLUME
INFO
GUIDE
PORTAL
RETURN
MUTE
POWER
ENTER
Typical Pillow Speaker
(Serial Data Control)
1
2
3
4
5
6
3
1
5
2
4
6
TV ON/OFF
NC
CHAN UP/DATA IN
COMMON
AUDIO OUT
CHAN DOWN
Pillow Speaker
Interface Pinout
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General
Weight and Dimensions
