LG SPH4B-W Service Manual

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Copyright © 2021 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
LOCATION OF CUSTOMER CONTROLS
 Front panel
 Rear panel
Display Window
- Display window will be darkened automatically if there is no key input for 15 seconds.
When you press any button, the display window will brighten.
Remote sensor
(Standby)
- Switches the unit ON or OFF.
F (Function)
- Select the function and input source by pressing F repeatedly.
Input source / Function Display
Optical LG Sound Sync (Wired) OPT
Bluetooth BT
LG Sound Sync (Wireless) LG TV
USB USB
+/− (Volume)
- Adjusts volume level.
DC IN
- Connect to the AC adapter.
OPTICAL IN
- Connect the OPTICAL IN jack on the back of the unit to OPTICAL OUT jack on the TV.
USB Port
- Connect USB memory device to the USB port on the back of the unit.
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LG SPH4B-W Specifications

General

Brand	LG
Model	SPH4B-W
Category	Speaker System
Language	English