BLOCK DIAGRAM and POWER DIAGRAM for Subwoofer
Sub Block Diagram
IO
I2S
LED*1
G
KEY*1
IO
I2C/RST/PDN/FAULT
4Ω
PBTL
AMP
STA369BW
PVDD FOR AMP
3.3V_STB
DC-DC
SY8213
18V
POWER
Board
Wireless
Module
IA3S4
other
power
signal
Standard module
New module
Un-standard
module
3V3 FOR AMP, Wireless,LED
18V
2.4G
34
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating