ICD-UX532, ICD-UX533, ICD-UX533F, ICD-UX534F - Sony Audio Service Manual (repair manual). Page 14

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ICD-UX532/UX533/UX533F/UX534F
14
4-3. KEY CHECK
Operation of keys and switches can be checked, and this unit can 
return to the factory shipment settings.
Note 1: It cannot move to other modes from this mode.
Procedure:
1.  Enter the test mode.
2.  Press the [
>
] or [
.
] keys to select the “KEY CHECK”, 
and press the [
N
] key.
3.  Whenever any keys of this unit are pressed or any switches of 
this unit are slid, the button count decreases.
 
(Displayed characters/values in the following fi gure are ex-
ample)
KEY:PREV
REMAIN: 15
<KEY CHECK>
LCD Display
Button count 
Confirmed key name
 
Target keys:
 
[STOP/
x
], [>], [.], [
N
], [REC/PAUSE/
z
], [
 A
-B], 
[ERASE], [VOL +], [VOL –], [MENU] (UX532/UX533 
only), [  MENU/  FM] (UX533F/UX534F only), [FOLDER], 
[T-MARK], [
v
], [
V
]
 
Target switches:
 
[DPC (SPEED CTRL)] (ON, OFF), [HOLD•POWER] 
(“POWER” direction, return from “POWER” direction, 
“HOLD” direction, return from “HOLD” direction)
4.  After all the keys and switches are decided, initialization is 
performed.
5.  “Success” is displayed, and this unit reboots.
Success
LCD Display
Note 2: This unit is not initialized when “Failure” is displayed.
Releasing method:
Remove battery.
4-4. AUDIO LOOP
Audio loop back operation can be performed.
Procedure:
1.  Enter the test mode.
2. Press 
the 
[
>
] or [
.
] keys to select the “AUDIO LOOP”, 
and press the [
N
] key.
3.  Audio loop back operation is performed.
 
(Displayed characters/values in the following fi gure are ex-
ample)
Note: When mode is active, the recording level for VOR is acquired at in-
tervals of 1 second, and it is displayed. When the acquired recording 
level is larger than the VOR setting value, the operation indicator 
LED redly lights up.
 
(Threshold value is based on operation of this unit)
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)
<AUDIO LOOP>
LCD Display
 
Initial value:
 
Play back volume 
: 10 (stereo)
 
fs 
: 44.1 kHz
 
Microphone sensitivity  : M
 
External microphone 
: MIC IN
 HP_MUTE 
L
 DAMP_XSEL 
L
 
Sound is outputted from the D-AMP built-in CPU at the time 
of headphone wearing.
 
Key input settings under this mode of operation:
 
[VOL +] 
: Volume up
 
[VOL –] 
: Volume down
 [REC/PAUSE/
z
] : Microphone sensitivity change 
 
 
  (H → L → M → H...)
 
[
N
: External microphone sensitivity
 
 
  (mounted model only)
 
 
  (MIC IN ↔ LINE IN)
 
[
.
: AGC operation (ON ↔ OFF)
 
[
>
: The headphone amplifi er change
 
 
  (mounted model only)
 
 
  (D-AMP ↔ Codec)
 
[ERASE] 
: HP_MUTE forcible operation
 
 
  Only HP_MUTE is changed with a 
 
 
  play back state held (ON ↔ OFF).
 
[
 A
-B] 
: DAMP_XSEL forcible operation
 
 
  Only DAMP_XSEL is changed with
 
 
  a play back state held (ON ↔ OFF).
Operation of others by the plug/unplug signal (the external micro-
phone jack and headphone jack) are based on operation of this unit.
Releasing method:
Press the [STOP/
x
] key, return to test mode menu.
Ver. 1.1
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