Main+Sub+Usb+Mp3+Sensor+Bt Board - Philips HTB9245D/12 Service Manual

5 - 1

MAIN+SUB+USB+MP3+SENSOR+BT BOARD

TABLE OF CONTENTS
Internal IC Diagram ........................................................................... 5-1
Circuit Diagram .................................................................................. 5-3
PCB Layout Top View ........................................................................ 5-4
PCB Layout Bottom View ................................................................... 5-5
IC304 INTERNAL IC DIAGRAM - CS5346 CQZ
3.3 V to 5 V 3.3 V
®
™
I²C /SPI
Control Data
Register Configuration
Interrupt
Overflow
High Pass Low-Latency
Reset
Filter Anti-Alias Filter
Serial
High Pass Low-Latency
Audio
Filter Anti-Alias Filter
Output
IC201 INTERNAL IC DIAGRAM - STM32F100VBT6BATR
5 - 1
5 V
Left PGA Output
Internal Voltage
Right PGA Output
Reference
Stereo Input 1
Stereo Input 2
Stereo Input 3
Multibit
Oversampling PGA
ADC
+32 dB
MUX
Stereo Input 4 /
Mic Input 1 & 2
Multibit
+32 dB
PGA
Oversampling
ADC
Stereo Input 5
Stereo Input 6