BLOCK DIAGRAM
SUNPLUS
SPHE8104WW
OSC
27MHz
flash
16Mbit
SDRAM
64Mbit
VFD Driver
CS6312
SPI
VFD Display
8 fonts
Amplifier
STA339BWS
I2C
I2S
6
Ω
TW
6
Ω
WF
15W 10%
Headphone
Amplifier
SGM4917
PWM1
PWM2
PWM3
Headphone
33ohm
MCU
STM32F030R8T6
I2C
Key
×
8
Volume
Control
Motor Driver
AM5890
LOADER
(VSH-M33DS-
D1206V(KT)
+
S76RFS7GP)
RF
I2C
ADC
AK5358
Selector
I2S
L/R
Analog audio in
SPDIF
Op
ti
cal in
KST-
MW104MV
1-R75B
Bluetooth
CSR8635
SPK
L
SPK
R
6
Ω
TW
6
Ω
WF
15W 10%
OP
AS4558
IR
RTC
I2C
INT
GPIO*6
IO*2 VOL- VOL +
ADC*2+Power_key
other
power
signal
Standardized module
Three new modules
Mass production
But not standardized modules
Operating
frequency
:
2.4-2.5GHz
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
19