LG OM7550 - Block Diagrams; System Block Diagram

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BLOCK DIAGRAMS
1. SYSTEM BLOCK DIAGRAM
(±5 V)
(± 66.5 V )
DRIVER
IRS2092
OP AMP
AZ4580
FET
IRF6775
X2
DRIVER
IRS2092
OP AMP
AZ4580
FET
IRF6775
X2
MLC3730
Main DSP
(+3.3V_CD, VCC1.2)
DDECK
MECHANISM
M
P/UP
(VCC50)
FRONT
IR
Receiver
VFD
DIG311
Volume/
Key/switch
(+ 3.3 VA ,+ 12 V )
32 MB(256 Mb)
SDRAM
16 MB(128 Mb)
S/Flash
AM5890
Motor Drive
USB1
USB2
SERVO
BU9546
(x4)
IC201
ADC
CS5346
PRE, AMP
DRV632
DAC
PCM5101
PS9860
PWM
DRM_WEN/CAS/
RAS/SEL/CLK/CKE
Woofer Speaker
Lighting
AMP_OSC
ADC_DATA
MCS_BCK/LRCK/MCLK
FRONT(SE)
SW(SE)
IR_IN_FL
FL_OUT_P/N
SW1_OUT_P/N
M00_15
A00_16
SF_DI/DO
SF_CS/SCK
VFD_STB/CLK/DO/RST,
VKK,FL+/ -
RMC
MAIN VOL_A/B ,
KEY 1/2
500 W
OP_SW,CL_SW,UP_SW,DN_SW,D_SENSE
MOT_MUTE,CLOSE,OPEN
A,B,C,D,E,F,PD
LD
SPDO/SLDO
/FOD/TRD
LOAD±,SLED±,
SPIN±,TR±,F±
D2S+/ -
IR_IN_SW
PWM_LRCK/BCK/DATA
DSP_O_DATA
AUX_DATA
EXP_DATA
MCS_BCK/LRCK, MCLK
CD_RW/ MCLK/ LRCK/BCK,
CD_DAT
CD_RST
UART_RX/TX
BT_TX/RX
BT_PCM_BUFFER
D1+/-
[OM7550 : Total 1000 W]
MID : 500 W X 1 CH
FRONT : 500 W X 1 CH
For AUX
For MIC
PGPC08
1.1 2.0
IC101
Micom
PCM1808
SCRATCH A/B,
M_VOL_A/B,
FAN_CTRL /2,
DJ Effect Scratch/Level
DRV632
DRIVER
IRS2092
OP AMP
AZ4580
FET
IRF6775
X2
SW(BTL)
IR_IN_SW
SW2_OUT_P/N
500 W
1000 W
[OM9550 : Total 1500 W]
WOOFER : 1000 W X 1 CH
FRONT : 500 W X 1 CH
1 MB(8 Mb)
S/Flash
SF_DI/DO
SF2_CS/SCK
AUX OUT
AUX IN
TUNER
(FM/AM)
PTB
MIC 1
MIC 2