LG OK75 User Manual

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BLOCK DIAGRAM
Copyright © 2018 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
TOP Block
LLPF
AMP
PWM
PWM + AMP Block
AMP
Main DSP
(+3.3V_CD, VCC1.2)
DECK
MECHANISM
M
P/UP
(VCC50)
32MB
SDRAM
16MB
Flash
Motor Drive
SERVO
( x4 )
OP_SW,CL_SW
MOT_MUTE/CLOSE/OPEN
SPDO/SLDO
/FDO/TRD
LOAD± ,SLED±,
SPIN±,TR±,F±
CD_RW/MCK/LRCK/BCK,
CD_DATA
CD_RESB_16M_SUBSYQ
_DIN OUT_BUSY
8MB
S/Flash
MD Block
OPTICAL
IN
DIR
DSPI_MCLK/LRCK/
BCK/ADATA
24.576MHz
24M
Hz
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
Volume/
Key/switch
(+3.3VA,5V,+12V)
USB1
USB2
VFD
D1+/ -, D2S+/ -
VFD_STB/CLK/DO
MAIN V_A/B,
KEY 1/2/3, LANDING_GEAR
Party
Thruster
Multi Speaker
Lighting
Micom
#1/#2
( 48Pin )
Sparkle
Lighting
X-Flash
Lighting
FAN
MCS_CS/RX/TX
BT_TX_RX
BT_PCM_BUFFER
ADC
AUX IN
TUNER
(FM/)
FM
Si4705
TUNER_L/R
For MIC
PTB
PORTABLE IN
AUX_L/R
PTB_L/R
AUX
MIC 1
MIC 2
IR Receiver
DRV603
ADC_DATA (for AUX)
MIC_DATA_IN, ADC_DATA_IN
DSPI_MCLK/LRCK/BCK
BT_ADC_DIR_SCL / ADC_DIR_DAT
For RCU
[OK75 : Total 1 000W]
FRONT : 295W X
2CH
WOOFER : 410W X 1CH
[OK55 : Total 500W]
FRONT : 160W X 2CH
WOOFER : 180W X 1CH
295W
(160W)
OK75
(OK55)
295W
(160W)
410W
(180W)
OK75 : O
OK55 : X
FRONT Block
PWM_SCL/DAT
PWM_RST/MUTE
MIX_DATAx_OUT
MCS_LRCK/BCK
Front-L
Front-R
SW(PBTL)
OK75 : USB1/2
OK55 : USB1
DIR_INT/RST/ CSD/TEMP BT_ADC_DIR_SCL / ADC_DIR_DAT
ANALOG INPUT Block
AC,BD,E,F,PD,CD_LD
32.768MHz
MIX_DATA0~2
To Wireless
Block
DSP_I2S_LRCK/BCK,
DSP_C_WF
WL_SCL/SDA/INT/MSG_RDY
1MB
S/Flash
WL_SPI_DI
WL_SPI_CLK/
CS/DO/WP
Wireless
Option
OK75 : O
OK55 : X

LG OK75 Specifications

General

Output Power	1000W
Bluetooth	Yes
Karaoke Creator	Yes
DJ Effects	Yes
USB Playback	Yes
Multi Jukebox	Yes
Party Accelerator	Yes
Type	Mini Hi-Fi System
Audio Playback	MP3, WMA
FM Radio	Yes
CD Player	Yes
Brand	LG
Model	OK75
Category	Stereo System
Disc Formats	CD, CD-R, CD-RW
Radio	FM
Audio Inputs	USB
Speaker Configuration	2.0 Channel