Service manuals

[grenert]

Browsing through the service manuals for the NW-HD1, 3 and 5, I see that all three share the same main IC (system, DA converter) as well as the same headphone amp IC. Thus, they probably sound the same. I am wondering if it is possible to find out similar information for other ATRAC devices. It could be a good guide to which devices should have comparable sound quality. I've been very curious if the low and high end players are the same on an electronic level. It is very interesting to me that the NW-E4xx/5xx flash players appear to have the same DAC as the older HD players, while the NW-A1000 uses a different chip. I see that the D-NE20 manual and a few others are available from this website. Are there others? We could start a list of what each device uses. I'll start here:

HDD players:

NW-HD1, NW-HD3, NW-HD5

Main system/DAC- CXR704060-201GA

Headphone amp- AN17020A-VB - ?Panasonic analog amp

NW-A1000

DAC- PCM1772

Headphone amp- AN17020A-VB

CD players:

D-NE20

Main system/DAC- CASINO1 board (IC designation not given)

Headphone amp- NJU8713V-TE2 - New Japan Radio Corp digital amp

D-NE300, D-EJ360, D-EJ361

Main system/DAC-CXD3048R

Headphone amp-TA2120FN(EL) - Toshiba analog amp

Flash players:

NW-E405/407/507

Main system/DAC- CXR704060-202GA

Headphone amp- TB2173FTG - Toshiba analog amp

FM Radio (NW-E507)- T5767HN

Cheers.

-J. P.

[JSP62]

The service manuals you see were all contributed by members who had forwarded copies to the site.

It is a collection from the members, for the members of community.

I myself have contributed a service manual (MZ-R37).

If there are manuals that you wish to see, you would have to purchase the manual, usually provided in .pdfs from an outside source. If you would like to purchase a specific manual and then contribute to the collection get in touch with Ishiyoshi who has a reference for you to get touch with. Be sure to mention us.

Edited June 23, 2006 by JSP62

[werdna]

Does anyone have the service manual for the NW-A608?

thanks,

--andrew