LG 50LA64XX / 50LA644V (CHASSIS:LD33B) Service Manual ▷ View online
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1. System
Remote
RF Receiver
TV
UART
or USB
or USB
RF
Pairing Information Transmission (Send to TV after Paired)
•
Static Calibration Data (Bypass only)
•
Remote FW ver. (Save also in Receiver)
•
BD_ADDR (Save also in Receiver)
• Pairing Information Transmission Sequence
•
When it is paired, the remote sends packets(pairing success, F/W version, BD_ADDR) to the receiver.
•
The receiver sends the pairing success packet to TV directly.
•
F/W version and BD_ADDR packets are just saved on the receiver.
•
The receiver sends F/W version or BD_ADDR packet to TV when it is required.
Motion Data Transmission
•
Period : 7.5msec
•
Motion Data : gyro, accelerometer
Voice Data Transmission
•
Period : 10msec
•
Voice sampling : 16khz 16bit
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2. Remote Buttons (M4 vs. MR13)
BUTTON
RF Unpaired
IR_CODE
RF Paired
RF_CODE
IR continuous
repeat
ETC.
Phsical
Buttons
POWER
0x08
NONE
Y
IR only
BACK
0x28
0x8028
Y
SMART
0x7C
0x807C
Y
←
0x07
0x8007
Y
→
0x06
0x8006
Y
↑
0x40
0x8040
Y
↓
0x41
0x8041
Y
OK
0x75
0x8044
Y
VOICE
0xDE
0x808B
Y
= VOICE_START
3D
0xDC
0x80DC
Y
Screen RMT
/ Q.MENU
0xDE
0x80DE
Y
CH +
0x00
0x8000
Y
CH -
0x01
0x8001
Y
VOL +
0x02
0x8002
Y
VOL -
0x03
0x8003
Y
MUTE
0x09
0x8009
Y
Logical
Buttons
AUTO_WAKEUP
X
0x800C
VOICE_START
X
0x800A
VOICE_STOP
X
0x800D
POINT_START
X
0x803E
POINT_STOP
X
0x803F
M4 Remote MR13 Remote
POWER
BACK
HOME
↑
OK
←
→
↓
MUTE
VOL
CH
3D MYAPPS
↑
OK
←
→
↓
POWER
BACK
SMART
VOICE
3D
Screen RMT
Q.MENU
MUTE
VOL
CH
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3. MR13 Block Diagram
MPU-6150
(Gyro+ACC)
(Invensense)
BCM20733M A2
(BROADCOM)
Bluetooth 3.0
Key Button
( 4 x 4 )
AA x 2 Battery
DC-DC Boost
TI TPS61097
SOT23-5
Power Management
Antenna
Partron
X-tal
24 MHz
2.8V LDO
uP0108NEC5-28
SC70
512Kb
(Serial F/M)
I2C ch1
I2C ch2
WM8950
(Wolfson)
Voice
MIC.
(Knowles)
I2S
4-mode Only
2.8V LDO
uP0108NEC5-28
SC70
Wheel
Encoder
IR Emitter1
IR Emitter2
(Voice Scene IR)
(Voice Scene IR)
Codec(ADC )
Bluetooth Receiver
BCM20702M
(BROADCOM)
Bluetooth 4.0
Bluetooth 4.0
Antenna
Connector
X-tal
20 MHz
20 MHz
512Kbit
(Serial Flash)
(Serial Flash)
UART
SPI
Bluetooth Remote control
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주요 Item
IC
Manufacturer
Function
Remocon
Voice
Voice Codec
WM8950
Wolfson
16KHz Sampling of Audio data
MEMS Mic.
SPU0414HR5H
Knowles
Sensing Voice
Motion
Sensor
Gyro Sensor
+
Accelerometer
MPU-6150
Invensense
Sensing angular velocity of X, Y, Z-axis
Sensing device tilt (Pitch & Roll angle)
RF
+
Micom
RF Antenna
SDBTPTR3015
Partron
Wireless communication
X-tal
24MHz
Partron
RF + Micom
BCM20733A2
Broadcom
DC-DC Converter
TPS61097
TI
Battery Boost up Regulator
LDO1
uP0108NEC5-28
uPI
RF, Gyro, Accelerometer Power Supply
LDO2
uP0108NEC5-28
uPI
Audio Codec, Mic. Power Supply
4. Function list
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