LG HCS5650 Operation Guide - Page 18

Pillow Speaker Setup

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Pillow Speaker Setup Here shown may be somewhat different from your TV. 1 Connect the PILLOW JACK IN the Pillow Speaker output jack on the back of the TV. 2 Connect an accessory pillow speaker or wired remote control unit to this 6-pin jack. 3 Select PILLOW SPEAKER on the rear panel of the TV. *Note: If the pillow Speaker switch is set to Pillow Speaker, no sound will be heard from the TV speakers. If pillow speaker switch is set to the Pillow Speaker position, Auto Volume will be grayed out and not accessible on the Sound menu. Use a pillow speaker by Curbell, Model A-16455-02 or other UL recognized pendant control bearing the warning: "Risk of fire if used in oxygen enriched atmosphere. Keep pendant control away from oxygen equipment." Controlling the TV with Serial Data The TV is capable of being controlled by a single-wire, serial data signal. This is a LG patented technology and is being implemented by certain brands of "smart" pillow speakers, such as Curbell's "GEN-II" models. Pillow Speaker Interface This connector furnishes three control lines and an audio output. A patient-pendant remote control, or entertainment audio and nurse call system may be connected here. All lines are isolated from the AC power line and earth ground. (Optoisolators isolate the control lines, and a transformer isolates the audio. There are no relays or inductive components in the control lines.) RJP INTERFACE REMOTE IN AUX CONTROL AUDIO IN AUDIO OUT 1 2 DIGITAL VIDEO IN DIGITAL VIDEO OUT DIGITAL AUDIO OUT (OPTICAL) RS-232C DISPLAY CONTROL AC OUT AC IN MAX 8A 960W AC 120V~ 60Hz PILLOW INT REMOTE IN PILLOW JACK IN AUX (12V DC 40mA) CONTROL Pillow speaker not included with TV. Pin No. 1 2 3 4 5 Purpose External TV On/Off switch. (Not used.) External Channel Up switch or Data in. Common connection for control, data, and audio output. Impedance to earth ground is a 10-meg resistor in parallel with a 1100 pf capacitor. 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 External Channel Down switch. Controlling the TV with Mechanical Switches Pin 4 (common) is momentarily connected to pin 1, 3, or 6 via push-action switches to control On/Off and Channel Up/Down. These pins are at +13 volts DC (when measured from pin 4) with the switches open. Current draw is 8 mA when a switch is closed. (This operation is identical to previous LG models using the 5Wire Interface except that only +7 volts DC was supplied and current draw was only 2.5 mA.) PAGE 18

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PAGE 18
Pillow Speaker Setup
Here shown may be somewhat different from your TV.
Connect the PILLOW JACK IN the Pillow Speaker output jack on
the back of the TV.
Connect an accessory pillow speaker or wired remote control
unit to this 6-pin jack.
Select PILLOW SPEAKER on the rear panel of the TV.
1
2
3
REMOTE
IN
AUX
CONTROL
PILLOW
INT
PILLOW JACK IN
(12V DC
40mA)
Pillow speaker not included with TV.
*Note:
If the pillow Speaker switch is set to Pillow Speaker, no sound will be
heard from the TV speakers. If pillow speaker switch is set to the Pillow Speaker
position, Auto Volume will be grayed out and not accessible on the Sound menu.
Use a pillow speaker by Curbell, Model A-16455-02 or other UL
recognized pendant control bearing the warning:
“Risk of fire if used in oxygen enriched atmosphere.
Keep pendant control away from oxygen equipment.”
Controlling the TV with Serial Data
The TV is capable of being controlled by a single-wire, serial
data signal. This is a LG patented technology and is being
implemented by certain brands of “smart” pillow speakers, such
as Curbell’s “GEN-II” models.
Pillow Speaker Interface
This connector furnishes three control lines and an audio
output. A patient-pendant remote control, or entertainment
audio and nurse call system may be connected here. All
lines are isolated from the AC power line and earth ground.
(Optoisolators isolate the control lines, and a transformer
isolates the audio. There are no relays or inductive
components in the control lines.)
Pin No.
Purpose
1
External TV On/Off switch.
2
(Not used.)
3
External Channel Up switch or Data in.
6
External Channel Down switch.
4
Common connection for control, data, and audio output.
Impedance to earth ground is a 10-meg resistor in parallel
with a 1100 pf capacitor.
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.
Controlling the TV with Mechanical Switches
Pin 4 (common) is momentarily connected to pin 1, 3,
or 6 via push-action switches to control On/Off and
Channel Up/Down. These pins are at +13 volts DC (when
measured from pin 4) with the switches open.
Current draw is 8 mA when a switch is closed. (This
operation is identical to previous LG models using the 5-
Wire Interface except that only +7 volts DC was supplied
and current draw was only 2.5 mA.)