Sony LDP-1500P Service Manual page 12

G)
AUDIO signal selector and indicator
Each videodisc has two audio channels: channel 1 and channel 2.
When the player is turned on, both channels are selected and the
CH-1 and CH-2 indicators will light up. Pressing the selector once
will select audio channel 1 and pressing it again will select audio
channel 2. The original state (both channels selected) can be restored
by pressing the selector once more.
a,
REMOTE connector
This special mini jack allows for wired connection of the optional
RM-2001 remote control unit. Use of a wire allows for remote control
from locations which are not in line of sight with the LDP-1500P.
f)
LEVEL control
Turn to adjust the volume of the headphones. Rotation to the right
increases the volume.
G)
HEADPHONES jack (Stereo phone jack)
Headphones for audio monitoring are connected here. The volume
is adjusted with the LEVEL control.
4D
POWER switch
Press to turn on the power of the player. The CH-1 and CH-2 indicators
function as power indicators. Press the button again to turn the power
off.
*CX Noise Reduction System
This system is employed to improve the signal-noise ratio and enlarge the dynamic range
of audio signals recorded on video discs.
CX is a trademark of CBS.
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