LG 50PM6900-UD (CHASSIS:PU22B) Service Manual ▷ View online
SPDIF OUT
CVBS
USB0
Audio
AMP
I2S Out
MTK5369
USB2
USB1
USB1
CVBS/COMP2
RS-232C
PC-RGB
OPTIC
LAN
SYSTEM
DDR3x16_2Gb X 4
(8Gb)
LVDS
HDMI1
HDMI2
HDMI3
HDMI4
HDMI4
COMP
RGB,H/V
With EEPROM
Ethernet
UART
HDMI
With
EEPROM
RF Emitter
Module(Bluetooth)
I2C
Sub
Micom
(Renesas
)
HD : 51P
FHD : 80P
USB2
USB1
NVRAM
(1Mb)
X-TAL
(27MHz)
HDCP2.0
Wi-Fi
CVBS
H/Nim
Silicon Tuner
H/Nim
Silicon Tuner
X-TAL
(32.768kHz)
eMMC
(2GB)
CVBS1/2 _LR
COMP1/2 _LR
RGB_LR
CVBS/COMP2 _LR
COMP1_LR
COMP1
COMP
PC-AUDIO
DIF
18. 3D Emitter
DIF
CVBS
18. 3D Emitter
Check 3D Emitter Cable
Y
Check 5V voltage level at
L900
N
Replace one of
L900& Recheck
Y
Maybe MTK5369 (IC100)
has problems. Replace It.
Block Diagram
※ 3D function
MT5369
(include 3D function)
Main IC
3D
source
Module
ASIC
L
R
L or R
only
3D to 2D
R
L
3D
B/T Emitter Pin Map
No.
CONNECTOR PIN MAP
B/T Emiter
Direction
SPEC.
1
3.3V_Normal
3.3V Normal Power
2
GND
3
UART_RX_RF
to DTV
• F/W update
4
UART_TX_RF
from DTV
5
RESET_RF
from DTV
6
ISP
from DTV
• F/W update (Not Use)
7
3D_SYNC_RF
from DTV
• 3D left/right frame sync signal
( 60Hz, 59.94Hz,50Hz, 48Hz, 47.95Hz)
8
GND
Block Diagram
※ 3D function
MT5369
(include 3D function)
Main IC
3D
source
Module
ASIC
L
R
L or R
only
3D to 2D
R
L
3D
B/T Emitter Pin Map
No.
CONNECTOR PIN MAP
B/T Emiter
Direction
SPEC.
1
3.3V_Normal
3.3V Normal Power
2
GND
3
UART_RX_RF
to DTV
• F/W update
4
UART_TX_RF
from DTV
5
RESET_RF
from DTV
6
ISP
from DTV
• F/W update (Not Use)
7
3D_SYNC_RF
from DTV
• 3D left/right frame sync signal
( 60Hz, 59.94Hz,50Hz, 48Hz, 47.95Hz)
8
GND