ICD-UX512, ICD-UX512F, ICD-UX513F - Sony Audio Service Manual (repair manual). Page 10

Setting the TEST MODE allows you to perform various checks 
and examinations on this set.

Setting the TEST MODE
Turn power to the set.  Turn the [DPC] switch ON from the OFF 
state while pressing the [

x

STOP] button and the [VOL –] button 

at the same time.

Exiting the TEST MODE
Unplug the battery.

TEST MODE Menu and Mode Transition under TEST 
MODE
The LCD display given below appears when the TEST MODE is 
entered.

Welcom  To
Athena World

ICD-UX512F/E
1.01.02

Select an item using the [

.

]/[

>

] keys and determine the se-

lected item using the [

N

ENT] button.

[>]

button

[.]

button

Turn [DPC] switch off.

TEST MODE

End of TEST MODE

Unplug battery.

Turn [DPC] switch on while pressing

[xSTOP] button and [NENT] button

at the same time.

Initial state of test mode

Release [xSTOP] button

and [NENT] button

SERVICE MENU

VERSION

KEY CHECK

AUDIO LOOP

SIN

BEEP

LCD CONT

LCD PATTERN

RTC TEST

BATT A/D

Z LOAD

LOW DET

VBUS

FM TEST

Key Count

SLEEP

Batt Life

CHG LOG

LREC LOG

LREC LOG Clear

MENU INIT

SERVICE MENU

J

j

Return using

[xSTOP]

button

Determine

using

[NENT]

button

k

K

‡

‡

‡

‡

1.  VERSION
Check the model number, F/W version and destination of each 
module.

<VERSION>
ICD-UX512F/E
MAINFW:1.01.02
IPL2FW:1.01.02
LSI 4253

Model number/destination
F/W version
IPL2 version
CPU version

2.  KEY  CHECK
Check the operation of each of the buttons and switches and reset 
to the factory defaults.

<KEY CHECK>
KEY: PLAY
REMAIN: 16

Confirmed key name
Count of keys checked

Target input keys:
[

x

STOP], [

>

], [

.

], [

N

ENT],[

z

REC/PAUSE], 

[

 

A-B], [ERASE], [VOL+], [VOL –], [MENU], [ ], 

[T-Mark], [

v

], [

V

], [DPC] SW (OFF

tON), 

[HOLD/POWER] SW (OFF

tON)

When all the key inputs have been confi rmed, “ACCESS” is dis-
played and the system is initialized. Once the initialization is com-
pleted, the system is restarted.
(The power ON state is held.)
When “ERROR” is displayed, the mode is held. (The system is 
not restarted.)
To exit this mode, disconnect power (unplug the battery).

3.  AUDIO  LOOP
Perform an Audio Loop Back operation.

<AUDIO LOOP>
MIC: M AGC: OFF
Vol: 10 MIC IN
D H0 D0
VOR: 00003FFF

D: DAMP, (A: Codec)
H0: HP-MUTE=L, (H1: H)
D0: DAMP_XSEL=L, (D1: H)

Key input settings under this mode of operation
[VOL+]/[VOL –]: Volume up/down
[

z

REC/PAUSE]: Microphone sensitivity change

[

.

]: ALC operation (between ON and OFF)

[ERASE]: HP_MUTE forced operation
[

A-B]: DAMP_XSEL forced operation