Ps9830B - LG FB163U Service Manual

6. MC4580
• TEST CIRCUIT SWITCH POSITION

8. PS9830B

• FUNCTIONAL BIOCK DIAGRAM
MBCK
MLRCK
Input
MSDIN[0:3]
&
Output
SBCK
MUX
SLRCK
SSDIN[0:3]
Sample
Rate
Converter
Input
Mapper
MIC_MCLK
Mic.
MIC_BCK
Input
MIC_LRCK
Processor
MIC_SDIN
SPI/I2C
SO/SDA
Host
SCK/SCL
Interface
SI/I2C_AD0
2
(I C, SPI)
/CS/I2C_AD2
EXT_MUTE
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Serial Audio
Output
interface
Down
Mixer
Mixer EQ
Internal Clock Internal Reset
Reset & Power Down
Internal Controls
Crystal
PLL
Oscillator
Automatic
Gain
Limiter
Bass Main Trim
Manager Volume Volume
Power Supply
3-13
DMIX_MCLK
Serial
OLRCK
Audio
OBCK
Output
DMIX_SDOUT
interface
PWM1_P/M
PWM2_P/M
PWM3_P/M
PWM4_P/M
PWM5_P/M
PWM6_P/M
PWM7_P/M
PWM
PWM8_P/M
Modulator
PWM_HP_L_P/M
PWM_HP_R_P/M
PWM_SWL_P/M
POP
EPD_ENA
NR
OVERLOAD
LGE Internal Use Only