ICD-UX532, ICD-UX533, ICD-UX533F, ICD-UX534F - Sony Audio Service Manual (repair manual). Page 16

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ICD-UX532/UX533/UX533F/UX534F
16
4-9. LCD PATTERN
The lighting check of LCD can be performed.
Procedure:
1.  Enter the test mode.
2.  Press the [
>
] or [
.
] keys to select the “LCD PATTERN”, 
and press the [
N
] key.
3.  LCD display pattern is displayed as shown in the following 
fi gure.
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
LCD Display Pattern
LCD Display:
All segments ON
LCD Display:
All segments OFF
Operation indicator LED:
Green lights
Operation indicator LED:
Orange lights
Operation indicator LED:
Orange lights
Operation indicator LED:
Orange lights
Operation indicator LED:
Red lights
LCD Display:
Display pattern 1
LCD Display:
Display pattern 2
LCD Display:
Display pattern 3
 
Key input settings under this mode of operation:
 
[
>
] or [
.
] : Display pattern change
Releasing method:
Press the [STOP/
x
] key, return to test mode menu.
4-10. RTC 
TEST
The self-test of RTC module can be done.
Procedure:
1.  Enter the test mode.
2.  Press the [
>
] or [
.
] keys to select the “RTC TEST”, and 
press the [
N
] key.
3.  The self-test of RTC module is executed, and result is dis-
played.
 
(Displayed characters/values in the following fi gure are ex-
ample)
OK
<RTC TEST>
LCD Display
RTC self-test result
Releasing method:
Press the [STOP/
x
] key, return to test mode menu.
4-11. BATT 
A/D
A/D value (voltage value and temperature value) acquisition can 
be performed.
Procedure:
1.  Enter the test mode.
2.  Press the [
>
] or [
.
] keys to select the “BATT A/D”, and 
press the [
N
] key.
3.  A/D value (voltage value and temperature value) are acquired, 
and they are displayed.
 
(8 bit (The bit shift after LSB side 2 bit omission))
 
Displayed values are always updated.
 
(Displayed characters/values in the following fi gure are ex-
ample)
AC: 7B  2AC: 8A
BC: 7B  4BC: 8A
TEMP: 8C
<BATT A/D>
LCD Display
Releasing method:
Press the [STOP/
x
] key, return to test mode menu.
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