Test Mode - Sony PCM-D1 Service Manual

PCM-D1
This set provides the Test Mode that can be used for the following
check modes.
Setting the Test Mode
With the power on, press the following buttons:
[LIGHT]
> > . .
Canceling the Test Mode
Turn the [POWER] switch "OFF", or remove the battery.
Test Mode Menu
When the Test Mode is entered, the following menu appears on the
LCD:
Version
F/W Update
Keychk+Fmat
Lcd Contrast
Lcd Check
Language
Loop Back
Select an item using the
>
selection using the key.
u
.
Determine
using u key
>
16
SECTION 3

TEST MODE

[LIGHT] [MENU]
x x x
and keys, and determine its
.
:
Key Check
Version
F/W Update
KeyChk+Fmat
Lcd Contrast
Lcd Check
Language
Loop Back
RTC Int
System
Battery
DC-IN
VBUS
Sleep
Log Output
Log Clear
Initialize
Nand init
Nand Format
Dsp, Adjust
Reboot
:
:
1. Key Check
A specific key is inputted by pressing it for input check and INT
check.
(It is verified that input of a key is confirmed and that KEY_XWAKE
interrupt occurs)
Key to be inputted:
[REC] /
N / X / x / > /
[DISPLAY] / [HOLD] ON/OFF
Total of 11 locations
When a key is inputted and its input is confirmed, the backlight
turns on for 0.5 sec.
LCD display
<KEY CHECK>
KEY:- -
REMAIN:11
Once all key checks are completed,
OK appears on the LCD and
the LCD (ACCESS) is turned on.
<KEY CHECK>
KEY:- -
OK
2. Key Chk + Fmat Test
• When all inputs have been confirmed in Item 1, Key Check, the
system performs NAND formatting (deletion of all conditions)
and takes defaults for settings in the menu (language setting and
LCD contrast are held).
<KeyChk+Fmat>
Exec Comp
3. DSP Adjust
• This mode executes DSP LOOP BACK.
4. Lcd Contrast
• This mode adjusts the LCD contrast.
The initial value is 40.
• Adjust the contrast using the
/ [MENU] / [LIGHT] / [DIVIDE] /
.
Displays an input
confirmed key.
All eleven (11) keys
are counted.
NAND formatting
(deletion of all conditions)
and default menu settings
are completed.
and keys.
> .