Block Diagram - Philips FX20 Service Manual

7-1
Block Diagram for FX20:
CD LOADER IM+TDL-5
MOTOR DRIVER
AM5890
Signed and feedback
U9
RTC
ADC IIS.SLAVE
U16
AK5358
IIC IIC
AM/FM
R78W2
Source Source
AUX
Switch
74HC4052
U17 U17
I/Os
ROM BT
D to S D to S D to S ROM BT ROM BT BM830
OP OP OP BM830 26MHZ BM830
NFC
PCON
NTAG203F
Power supply
AC
33V
Crystal
U11
27M
IIC
MPEG DECODER
SPHE8104WW
U10
UART
U8
I/O
MCU MCU
IR
STM8S005C6
KEY IR
VOL
USB
Main board
12V -24V
LDO
5V
DC DC
TJ4203
MPS2560
33V
MOS Switch
SDRAM
64M
FLASH
8M
Audio
IIS Data
Processor
STA311B
IIC
Control I/O
SPI
U20
VFD DRIVER
VFD Display
Main board M i b d
Crystal
12M
Audio IN
5V_D 12V_D
MCU3V3
MOS Switch
AMP_VCC
5V
7-1
60W*4 @THD 10%
U21 U21
BTL
8
L F
PWM
BTL
AMP
STA518
U22 U22
BTL
PWM
BTL
AMP
STA518
VFD &IN board
US&KY board
AM3V3
LDO
7805
12V 33V
TL
WL
8
TR
8
WR
8