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DHC-AZ3DM, DHC-AZ7DM, HCD-AZ3DM, HCD-AZ7DM (serv.man2) - Sony Audio Service Manual (repair manual)

dhc-az3dm, dhc-az7dm, hcd-az3dm, hcd-az7dm (serv.man2) service manual
Model
DHC-AZ3DM DHC-AZ7DM HCD-AZ3DM HCD-AZ7DM (serv.man2)
Pages
22
Size
110.62 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / USB CIRCUIT OPERATION
File
dhc-az3dm-dhc-az7dm-hcd-az3dm-hcd-az7dm-sm2.pdf
Date
Next: Sony MHC-EC50 / SS-EC50 Service Manual

Read Sony DHC-AZ3DM / DHC-AZ7DM / HCD-AZ3DM / HCD-AZ7DM (serv.man2) Service Manual online

1
1
DHC-AZ3DM/AZ7DM
USB circuit operation
(HCD-AZ3DM/AZ7DM)
DHC-AZ7DM
Internal Use Only
This operation manual explains USB circuit operation of HCD-AZ7DM.
HCD-AZ7DM is a main body of DHC-AZ7DM.
2
2
Agenda
1. Playing USB storage media
2. Listening to audio files on a 
Personal Computer 
3
3
1. Playing USB storage media
Please refer to Block diagram on page 39 of HCD-AZ7DM 
service manual.
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
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. 
System controller (IC401) controls HCD-AZ7DM basic operation including 
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.
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.
Page of 22
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Download Sony DHC-AZ3DM / DHC-AZ7DM / HCD-AZ3DM / HCD-AZ7DM (serv.man2) Service Manual (Repair Manual)

Here you can read online and download Sony DHC-AZ3DM / DHC-AZ7DM / HCD-AZ3DM / HCD-AZ7DM (serv.man2) Service Manual in PDF. DHC-AZ3DM / DHC-AZ7DM / HCD-AZ3DM / HCD-AZ7DM (serv.man2) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony DHC-AZ3DM / DHC-AZ7DM / HCD-AZ3DM / HCD-AZ7DM (serv.man2) Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.

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