Read Sony DHC-AZ3DM / DHC-AZ7DM / HCD-AZ3DM / HCD-AZ7DM (serv.man2) Service Manual online
4
4
USB
memory
controller
(IC801)
USB
storage
media
System
controller
(IC401)
DISPLAY
USB
Power
Control
(IC812)
DAC
(IC804)
SDRAM
(IC802)
FLASH
MEMORY
(IC803)
1-1. Block diagram
USB connector
on the front panel
on the front panel
1
2
3
USB board
This is a rough block diagram of USB MEMORY section.
USB connecter on the FRONT panel only can be used for playing USB storage
media.
media.
System controller (IC401) controls HCD-AZ7DM basic operation including
display.
display.
USB MEMORY operation is controlled by USB memory controller (IC801).
USB memory controller communicates with System controller and connected
USB storage media.
FLASH MEMORY(IC803) includes the operating program for USB memory
controller.
controller.
SDRAM (IC802) is used for data processing for USB memory controller.
USB power control(IC812) is for USB line voltage.
DAC (IC804) is used for sound data output from USB storage media.
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