LG 47LM6690 (CHASSIS:LT22E) Service Manual ▷ View online
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Main PCB for Broadband
To PSU
1
2
3
1
Main processor, DDR Memory
eMMC Memory
2
3
4
Micom for Key/IR sensing
Audio AMP (10W+10W)
LVDS &EPI Wafer
Soft touch +IR
Front Spk
To module
4
All model
1
Only for Dev
1
2
Chassis : LT22E
PCB P/No : EAX64434205
PCB P/No : EAX64434205
WIFI
RF Assy
2
2
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◈ CONTENT ◈
1. Model naming and tool option
2. New features
3. Main PCBs
4. Block Diagrams, IIC Map
5. Structure of TV set and connection of sub ass’ys
6. New sub ass’ys
- Instruction of new sub ass’ys
- How to use tool
- Download
7. Adjust way of new features
8. Repair guide
9. The latest issue and concerning issue
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MTK5369 Block Diagram( LT22E )
L/R In
SPDIF OUT
USB
Audio
AMP
(NTP7500
or STA380)
I2S Out
MTK
CI slot
CI slot
P_TS
CVBS
P_TS
T/C Demod
IF(+/-)
USB1
RS-232C
only Dev
PC-RGB
PC-AUDIO
OPTIC
LAN
SYSTEM
DDR3
X
1600 X
16
(2Gb)
HDMI1
HDMI2
HDMI3
Side
Rear
RGB,H/V
Ethernet
CVBS
UART
SYSTEM EEPROM X 1
(256Kb)
HDMI
MUX
(HDCP
EEPROM)
M-Remote
Module
Air/
Cable
Cable
TUNER
(T/C)
TUNER
(S2)
DIGITAL
DEMOD
(T/C)
DVB-S
ANALOG
DEMOD
DIGITAL
DEMOD
(S2)
TS_S/P
LNB
USB2
USB3
USB3
HDMI4
LVDS
41P
51P
eMMC X 1
(4GB)
USB_WIFI
SYSTEM
DDR3
X
1600 X 16
(2Gb)
DDR
CONTROLER A/B
SPI
LOCAL DIMMING
I2C
Sub Micom
(RENESAS)
IR
Remote Control
SYSTEM
DDR3
X
1600 X
16
(2Gb)
SYSTEM
DDR3
X
1600 X 16
(2Gb)
UART
P_TS
EPI
50P
50P
50P
X_TAL
27MHz
: according to input spec
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Jack Interface
[PR0P],[PB0P],[Y0P]
[OPCTRL8]
[VDACX_OUT]
[VDACY_OUT]
[VDACY_OUT]
[AUOUTL0]
[ADIN0_SRV]
[CVBS2P]
[AIN0_L_ADDC]
[AIN0_R_AADC]
[AIN0_R_AADC]
[SPDIF_OUT]
[AUOUTR0]
Main SoC
MTK
[SOY0]
[Y1P],[PB1P],[PR1P]
[OPCTRL9]
[AL0_ADAC]
[AR0_ADAC
[VGA_SCL]
[VGA_SDA]
[OPCTRL7]
[VSYNC], [HSYNC]
[RP],[GP],[BP]
[ASPDIF0]
SPDIF
SPDIF_OUT
[AIN2_L_AADC]
COMP 1 PHONE JACK
COMP1_Y/Pb/Pr
COMP1_DET
SC_DET
SC_R/G/B +
SC_ID
DTV/MNT_V_OUT
DTV/MNT_L_OUT
IC6000
AZ4580M
SC_L/R_IN
SC_CVBS_IN
[SCART_LOUT]
[SCART_ROUT]
DTV/MNT_R_OUT
SC_FB
[AIN3_R_AADC]
[AIN3_L_AADC]
[CVBS0P]
[OPCTRL5]
AV1_L_IN
AV1_R_IN
AV1_R_IN
AV1_CVBS_DET
AV1_CVBS_IN
CVBS 1 PHONE JACK
EARPHONE
JACK
HP_LOUT_MAIN
HP_ROUT_MAIN
RGB_PC
RGB_DDC_SCL
RGB_DDC_SDA
DSUB_DET
DSUB_VSYNC, DSUB_HSYNC
DSUB_R+, DSUB_G+, DSUB_B+
PC AUDIO
PC_L_IN
PC_R_IN
[AIN2_R_AADC]
Full Scart(18 Pin Gender)
IC6100
TPA6132A2
HP_LOUT_AMP
HP_ROUT_AMP
: according to input spec
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