LG RN7 - Block Diagram

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BLOCK DIAGRAM
Copyright © 2020 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
TOP Block
LPF
AMP
PWM
PWM + AMP
Block
(+3.3V_CD, VCC1.2)
DECK
MECHANISM
M
P/UP
(VCC50)
Motor Drive
SERVO
(4ؑܖ)
OP_SW,CL_SW
MOT_MUTE/CLOSE
SPDO/SLDO
/FDO/TRD
LOAD± ,SLED±,
SPIN± ,TR±,F±
CD_LRCK/BCK, CD_DATA
CD_RESB_16M_SUBSYQ
MD Block
OPTICAL IN
JACK Shielding
DSPI_MCLK/LRCK/B
CK/ADATA
24MHz
24MHz
DRM_WEN/CAS/
RAS/SEL/CLK/CKE
M00_15,A00_16
SF_MOSI/MISO
SF_CS/SCK
SF_MOSI/MISO
SF2_CS/SCK
1.1
2.0
TOP BLOCK
(+3.3VA,5V,+12V)
Key (26)
USB1
USB2
VFD
D1+/ -, D2 +/ -
VFD_STB/CLK/DO RCU
KEY 1/2/3
Multi Speaker
Lighting
Micom
( 48Pin)
FAN
MCS_CS/RX/TX
BT_TX_RX BT_PCM_BUFFER
ADC
DAB+/FM
DAB+/FM
DAB_L/R
MIC/Guitar
MIC 1
Guitar
IR Receiver
MIC_DATA_IN, ADC_DATA_IN
MCS_LRCK/BCK/MCLK
BT_ADC_DIR_SCL / ADC_DIR_DAT
For RCU
ON9/7 : O
ON5 : X
ON9/ 7/ 5 : O
RN9/ 7/ 5 : X
PWM_SCL/DAT
PWM_RST/MUTE
MIX_DATAx_OUT
MCS_LRCK/BCK
DIR_INT/RST/CS
D/TEMP
BT_ADC_DIR_SCL
/ ADC_DIR_DAT
ANALOG INPUT Block
AC,BD,E,F,PD,CD_LD
24MHz
MIX_DATA0/2
TUNER_CLK/DAT(S0)/RST/CE
DAB+ / FM Module
DAB+FM : ON9/7/5 EU Only (FM BLOCK NA)
TUNER
(FM)
FM
TUNER_L/R
32.768MHz
TW_L
SE
TW_R
SE
Woofer
BTL
8Ω (1’’)
6Ω(8’’) x2
8Ω (1’’)
FR_L, TW_L
SE
Woofer
BTL
FR_R, TW_R
SE
4Ω (3’’)
6Ω (8’’)
4Ω (3’’)
AMP
TW_L
SE
Woofer
BTL
TW_R
SE
8Ω (3’’)
3Ω(8’’)
8Ω (3’’)
ON9 series
ON7 series
ON5 series
iOS
PWM_CLK/CP_SCL,
PWM_DAT/CP_SDA
(NEW IC/BLOCK)
ON9 Series only
MOT_OPEN/SD_WP
CD_RW/ SD_DET,
CD_MCK/SD_CLK
CD_DIN_OUT/SD_CMD
CD_BUSY/SD_DATA0
SD_DATA1~3
SD Card
AMP
DIR
32MB
SDRAM
16MB
Flash
8MB
S/Flash
CP_RESET
Main DSP
TUNER_SI
Jog
IR Receiver