Block Diagram - Baseband - Sony CMD-CD5 Service Manual

7.2 Baseband Block Diagram
LCD
•
Keypad
•
Ringer
•
Back
light
•
Jog dial
SIM Interface
/3/5 Volt SIM
32 kHz clock
data/address/control signals
13 MHz clock
A/D converter
JTAG/SSI
Power / Power management
circuitry
RX/TX
Accessory – ID/Detect
Global I/O connector
21
VCHG
Accessory – Power
VBATT
RF
circuit
Audio – I/O