iPod Nano 3rd Generation Diagnostics

Starting the iPod Diagnostic Mode

Starting the iPod Diagnostic Mode

In order to access the inbuilt Diagnostic menu on the Nano, you need to press a combination of keys immediately after restarting it.

1. Toggle the Hold switch to Hold, the off again.


2. Press and hold Menu and Select (the centre button) for at least 6 secs, or until the Apple logo appears! - for iPod 1G to 3G press Menu and Play - hereafter referred to as the ‘Reset Method’


3. As soon as the Apple Logo appears, press and hold |<< and Select - For iPod 1G to 3G press |<<, >>| and Select

Navigating the Diagnostic Menu

Once you are in Diagnostic Mode, use the >>| and |<< buttons to navigate the menus. In most cases Menu will go back one menu, and Select will select the menu option. You can exit the menu at any time by selecting Power, Reset or by pressing Menu and Select (Menu and Play for 1G to 3G) to reset it.

Note: The menu’s shown below are from my iPod Nano 3G, and may vary to the menus you see.

iPod Diagnostics BuildID: d002

SVC Sep 10 2007 v.0072

—————————————————–

>Power

Sleep

Audio

Video

LCD

IO

Memory

TouchWheel

About

Power:

Within here you have;

1. ACC_Identify - Shows ACC = 2.497V


2. BatteryA2D - Shows 4.062V Ref=255


3. HighPower - Puts the screen on full brightness and shows a start time, Voltage (3.982V) and current (100mA)


4. ChargeCurrent - Shows Cur=100mA Battery = 4.046V


5. Reset - Resets the iPod

Sleep:

Sends the iPod to “DeepSleep” - you’ll need to do the Reset method above to restart it.

Audio:

Allows you to test the Headphone detection and play test tone. Interestingly there is an option to record from ‘Line In’ - Watch out for the Test Tone, its *VERY* loud!!

Video:

Has one option “TVPattern” that didn’t seem to do much, and needed me to do the reset method above to get out of it.

LCD:

Within here you have;

1. ColorPattern: Shows a series of patterns on the LCD. |<< turns off the backlight, >>| sets it to dim, Select goes to next pattern. You have to look at all 25 before you can exit.


2. Backlight: This allows you to check the back light, using the |<<, >>|, Play and Action buttons. Menu exits this screen.


3. ReadLCMID: Reads vendor info about the LCD. Mine Shows Vendor ID: 38 PanelID: 55 BuildID: 71 Read ID: OK

IO: (Input Output)

1. ACC_Switchtest: Not sure what this is… Accessories detector?


2. IOStatuses: Mine shows; HP_DETECT: 1 LCD_ID1:0 LCD_ID2:1 USB_DETECT:0 FW_DETECT:0 ACC_DETECT:0 HOLD_SWITCH:1

Memory:

1. SdramQScan: Does a very quick SDRAM Test


2. NANDSPEC: Mine Shows; NandLBA=991232 NAND SIZE:3.819200

Touch Wheel:

1. TouchWheelID: Mine Shows; 0:9045003a, 1:c609013a, 2:8000023a, 3:8000033a, 4:8066043a, 5:8001053a


2. WheelAndKey: Lets you test the touch wheel and all the keys (interesting that this is the only place the wheel works!)

About:

This shows various information and the iPod’s serial number, as show below

About Information

SrNum: 6U73xxxxxx (Obscured on purpose here!)

Mod#: MA978

Regn: 1 0 2 0 37 0 1

Fwld:

01000000

1a1b9639

000a2700

00000000

HwVr: 00140010

vrsn: 1.32.f.2

So that’s it. Hopefully this will of use to someone who has a problem with the 3rd-Gen Nano!

Source: http://www.internet-tools.co.uk/blog/index.php/2008/01/30/ipod-nano-3rd-generation-diagnostics/


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Apple seen introducing cheaper, more innovative Wi-Fi iPods

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