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Wireless Media Box
Schematic
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LG Wireless Media Box Schematic

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Page 1
WIRELESS MEDIA
BOX TRAINING
AN – WL 100 Wireless Media Box
Wireless Dongle
AN – WF100
WI – FI Dongle
Published July 23, 2010
Page 2

Wireless Media Box Familiarization (Introduction)

Wireless Media Box Familiarization (Introduction)
Service Note: The Wireless Media Box, wireless Dongle or the USB Wireless adaptor are “Replacement Only”. This following information is provided to help confirm that the Wireless Media Box or Wireless Dongle or the USB Wireless adaptor is at fault before replacement.
LG First and Second Generation Wireless
SiBEAM
generation of LG Wireless Televisions used a different technology, based on the 60-gigahertz band of the radio spectrum, with higher speeds but shorter ranges. SiBEAM can transfer data at 4 gigabits per second and has a range of 32 feet.
The Wireless Chip Set used in LG’s second – generation Wireless Televisions are designed and built by Amimon. Amimon’s second - generation technology operates in the 5 - gigahertz band, and transmits Video data rates at 3 gigabits per second (including uncompressed 1080p) , and has a range of about 100 feet and can pierce through walls, latency is less than one millisecond. WHDI™ (Wireless Home Digital Interface) enables a wireless video link that offers the same functionality as a wired link.
the manufacturer of the Wireless Chip Set used in the first -
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Page 3

Wireless Media Box Familiarization

Wireless Media Box Familiarization
AN – WL 100
Wireless Media Box
Wireless Dongle
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Page 4

Wireless Media Box Rear and Side Views

Wireless Media Box Rear and Side Views
AN – WL 100 Wireless Media Box
Right Side
Front View
Side View
At first hook up, turn the Media
Box on by its power button.
Do not turn off Media Box via its
power button. Use the TV
Remote Control.
HDMI 4 Input
Input Jacks
Rear View
Note: There is No Tuner in the Wireless Media Box
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Page 5

Wireless Media Box Dongle Hook Up

Wireless Media Box Dongle Hook Up
AN – WL 100 Wireless Dongle
HDMI
Wireless
Control
Wireless
Dongle
Held in place by Velcro
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Page 6

Wireless Media Box Top Cover Lifted

Wireless Media Box Top Cover Lifted
LED Drive
Board
Soft Touch
Key Board
LG Logo
LED Drive
Top Cover Removed
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Page 7

Wireless Media Box Board Layout Top Shield Removed

Wireless Media Box Board Layout Top Shield Removed
Transmit
Receive
Board
Main
Board
Shield Removed
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Page 8

Wireless Media Box Front LED Information

Wireless Media Box Front LED Information
Front LED
Standby Power On
The front LED is Red in Standby and changes to White at Power ON
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Page 9

Wireless Media Box Transmitter/Receiver Board LED Indicator

Wireless Media Box Transmitter/Receiver Board LED Indicator
Transmit Receive Board Power Indicator LED
Diode
D2
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Page 10

Wireless Media Box (Key Voltage Checks)

Wireless Media Box (Key Voltage Checks)
P1400
Pin Number
Pin 1 .85V 5.1V
Pin 2 .85V 5.1V
Pin 3 .85V 5.1V
Pin 4 0V 0V Ground
Pin 5 0V 0V Ground
Pin 6 0V 0V Ground
Readings taken with
P1400 connected to J702
Run Standby
Diode Test
1.75 V
1.75 V
1.75 V
J702
P1400
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Wireless Media Box Main Board Component Locations

Wireless Media Box Main Board Component Locations
1.5V
3.2V
DC/DC
Converter
SW800
Reset
Switch
DC/DC
Converter
1.26V
DC/DC
Converter
5V
DC/DC
Converter
Main
Micom
11
IR Blaster
Micom
Page 12

Wireless Dongle Familiarization

Wireless Dongle Familiarization
HDMIWireless Control
Wireless Ready Dongle
12V AC / DC Adapter
20 Pin
Power / Control Cable
HDMI
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Page 13

Wireless Dongle (Disassembly)

Wireless Dongle (Disassembly)
Bottom Cover Removed
Shield Removed
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Page 14

Wireless Dongle (Disassembly) Board Removed

Wireless Dongle (Disassembly) Board Removed
PC Board Removed
Top View of PC Board
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Page 15

Wireless Dongle (Disassembly) Board Shield Removed

Wireless Dongle (Disassembly) Board Shield Removed
Shield Removed from Top of PC Board
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Page 16

Wireless Dongle Voltage testing Area

Wireless Dongle Voltage testing Area
PC Board Top View
Voltage testing area of interest
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Page 17

Wireless Dongle (Voltage test Points)

Wireless Dongle (Voltage test Points)
HDMI
5V Test Point
Bottom leg L1
Wireless Control
24V (47LE8500) 17V
(50PK750) Test Point
Between C69 and C274
3.3V Test
Point FB16
Voltages present only in “Run Mode”
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Page 18

USB Wireless Broadband/DLNA Adaptor Familiarization

USB Wireless Broadband/DLNA Adaptor Familiarization
Dust
Cap
Note the USB Adaptor will not work in any thing other than a Wireless ready LG TV.
Power
LED
If there are questions about the functionality of the USB Adaptor, first make sure the LED illuminates. If it does not, try any USB jump drive that has an LED. If it lights and the USB Wireless adaptor LED does not, replace the adaptor. Or you can plug the USB Wireless adaptor into any USB port on your laptop. The LED on the side of the USB adaptor should illuminate, it will be dim compared to when it is illuminated by plugging it into the TV, but it should light. If it lights in the Laptop’s USB but not in the TV, check the USB 5V driver IC8000 on the Main board. Pins 2 and 3 should be outputting +5V for the USB.
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USB Wireless Broadband/DLNA Adaptor Troubleshooting

USB Wireless Broadband/DLNA Adaptor Troubleshooting
If there are questions about the USB Adaptor and/or the TV’s ability to connect to the internet Access point, try the following checks. You should carry with you a simple Wireless router set up with no security. Disconnect the Customer’s Wireless router and hook yours directly to the Internet feed from the customer’s modem. See if the TV will connect, if the answer is no, then make sure you can connect via your computer. If yes, use a long cable between router and modem and move the router closer to the TV. If this corrects the problem they will need to relocate the router. If not, connect your Wireless Modem via wired LAN connector to the TV’s LAN input. If the TV works this way, the TV is OK. If you don’t have a Wireless router, you can also test the TV’s ability by downloading A trial copy of Nero MediaHome or the latest version of Windows Media Player and installing it on your Laptop computer. (If you have Window’s 7 there’s no need to install Nero Home). Connect your Laptop via wired LAN connector to the TV’s LAN input. You will not be able to see the Internet, but you should be able to see media files in your shared folder on your computer. If you can the TV is working normally and the fault lies with the Wireless USB adaptor.
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THANK YOU!

Conclusion Page

Conclusion Page
This concludes the
Wireless Media
training session.
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