Sony ICD-AX412 / ICD-AX412F Service Manual ▷ View online
ICD-AX412/AX412F
9
4. Sin test
• A sine wave output is produced.
• A sine wave output is produced.
LCD DISPLAY
B
ENTER
<SIN>
Please Enter
Please Enter
10
/
<SIN>
• A sine wave is outputted.
Initial Value: Play VOL = 20/fs = 44.1 kHz/Stereo
• During operation, change the setting by using the following
key inputs:
[VOL +]: Volume up
[VOL –]: Volume down
• Other operation by the headphone jack insert/extract signal is
based on the operation of the set.
• Press the [
x
] button to return to the test mode screen.
5. Beep test
• Beep sound of 1.3 kHz is output.
• Beep sound of 1.3 kHz is output.
LCD DISPLAY
B
ENTER
<BEEP>
Please Enter
Please Enter
VOL value
[ VOL+ ] : UP
[ VOL
–
] : DOWN
10
/
<BEEP>
1.3KHz ON
• When “Beep Test” is entered, a beep sound of 1.3 kHz is out-
putted from the speaker or the headphone jack. (The destina-
tion where the sound is sent to and the output level are based
on the operation of the set.)
tion where the sound is sent to and the output level are based
on the operation of the set.)
• Press the [
x
] button to return to the test mode screen.
6. LCD Contrast test
• Adjust the LCD contrast.
• Adjust the LCD contrast.
LCD DISPLAY
B
ENTER
<LCD CONT>
Please Enter
Please Enter
<LCD CONT>
Vol : 32
• During operation, change the setting by using the following
key inputs:
[FF]: The contrast value is increased by 1.
(Immediately refl ected)
[REW]: The contrast value is decreased by 1.
(Immediately refl ected)
[PLAY]: The current value is written to the eMMC.
(The default value is updated.)
• Press the [
x
] button to return to the test mode screen.
ICD-AX412/AX412F
10
7. LCD Pattern test
• LCD and LED on/off checks and LCD contrast adjustment are
• LCD and LED on/off checks and LCD contrast adjustment are
performed.
LCD DISPLAY
B
ENTER
<LCD PATTERN>
Please Enter
Please Enter
88
188
188
,
DXLOCAL
SCAN HL
.>
REC
NEW
c
VOR
/
B
B
b
>
+
>
+
>
+
>
+
>
+
EASY-S
LCF
m
STSPLP
FULL
e
u
b
88
188
188
,
DXLOCAL
SCAN HL
.>
REC
NEW
c
VOR
EASY-S
LCF
m
STSPLP
FULL
e
u
/
B
B
b
b
The LED is
illuminated orange.
The LED is
illuminated red.
The LED is
illuminated red.
The LED is
illuminated red.
The LED is
illuminated green.
• Press the [
x
] button to return the test mode screen.
8. RTC test
• Perform the self test of the RTC module.
• Perform the self test of the RTC module.
LCD DISPLAY
B
ENTER
<RTC TEST>
Please Enter
Please Enter
<RTC TEST>
Please wait.....
0.9~1.1 sec
<RTC TEST>
OK
• At power-on, optionally an R/W test on the clock register is set
and either an interrupt updated by the second or a 1-sec fi xed-
cycle interrupt to the RTC module is set. And it is verifi ed that
the interrupt signal is produced.
cycle interrupt to the RTC module is set. And it is verifi ed that
the interrupt signal is produced.
• If an interrupt occurs in between 0.9 and 1.1 second after the
interrupt is enabled to the timer on the main side, it is deter-
mined to be OK.
mined to be OK.
• If no interrupt occurs after the elapse of 2 seconds, a timeout is
set and it is determined to be NG.
• Press the [
x
] button to return to the test mode screen.
9. BATT A/D
• The A/D values related to voltage and temperature are ob-
• The A/D values related to voltage and temperature are ob-
tained.
>
+
LCD DISPLAY
B
ENTER
<BATT A/D>
Please Enter
Please Enter
AC : 66
BC : 65
BC : 65
2AC : 00
4BC : 00
4BC : 00
TEMP : 71
AC :Voltage of 2 sell
BC :Voltage of 1 sell for battery
2AC :Charge X2 amplifier output value
2BC :Charge X4 amplifier output value
TEMP :Temperature
• At power-on the relevant A/D value is obtained and indicated.
The indicated value is in 8-bit format (2 bits are cut off on the
LSB side and then the bits are shifted.)
LSB side and then the bits are shifted.)
• The indicated value is continually updated.
• Press the [
• Press the [
x
] button to return to the test mode screen.
ICD-AX412/AX412F
11
10. ZLOAD test
• A battery load check is forcedly executed.
• A battery load check is forcedly executed.
LCD DISPLAY
B
ENTER
<ZLOAD>
Please Enter
Please Enter
<ZLOAD>
ZLOAD : ON
• The OFF state is set at power-on.
[FF]: Each time the key is pressed, ZLOAD_CTL switches
between ON and OFF.
• Press the [
x
] button to return to the test mode screen.
11. LOW DET test
• The H/W low battery level detection signal LOWBATT_
• The H/W low battery level detection signal LOWBATT_
XDET is checked.
LCD DISPLAY
B
ENTER
<LOW DET>
Please Enter
Please Enter
<LOW DET>
LOW DET : OFF
• This set is normally off.
• Press the [
• Press the [
x
] button to return to the test mode screen.
12. VBUS test
• The VBUS signal is checked.
• The VBUS signal is checked.
LCD DISPLAY
B
ENTER
<VBUS>
Please Enter
Please Enter
<VBUS>
OFF
OFF : VBUS_XDET=1(H)
ON : VBUS_XDET=0(L)
• At power-on, the acquired value of VBUS_XDET is indicated.
(Constantly updated)
• Press the [
x
] button to return to the test mode screen.
13. FM test
• Operation of the FM tuner is checked.
• Operation of the FM tuner is checked.
LCD DISPLAY
B
ENTER
<FM TEST>
Please Enter
Please Enter
FM : OK DX
076.00 Lv : 00.50
076.00 Lv : 00.50
• At power-on, optionally the 00h (DeviceID) value of the FM
IC register is obtained and compared.
OK: DeviceID, the acquired value is OK.
NG: DeviceID, the acquired value is NG.
• If OK, a transition to the FM receiving mode is made and the
receiver sensitivity is indicated.
Receiver sensitivity: Register 0 Ah bit [7:0]
(Value of RSS [7:0] )
Initial value: 80.0 MHz/DX mode
[FF]: The receive step value is increased by 1.
[REW]: The receive step value is decreased by 1.
[PLAY]: Each time the key is pressed, change of receive
sensitivity. (DX t LOCAL t DX t......)
• Press the [
x
] button to return to the test mode screen.
14. Key Count test
• The count value is indicated for the key slide switch endurance
• The count value is indicated for the key slide switch endurance
test.
LCD DISPLAY
B
ENTER
<KEY COUNT>
Please Enter
Please Enter
<KEY COUNT>
00000
• The count value is increased by 1 each time the following sig-
nal change is detected after power-on. The type of a key slide
switch pressed is not discriminated.
switch pressed is not discriminated.
• All buttons (Also the production of the WakeUP signal is
checked.)
• Operate all the slide switches from ON to OFF and then OFF
to ON.
• Card insertion signal (Plus 1 only when the card is inserted.)
• HP/MIC jack detection signal (Plus 1 only when the jack is
• HP/MIC jack detection signal (Plus 1 only when the jack is
inserted.)
Initial value: 00000
Upper limit value: 99999
• If a key is pressed when the counter arrives at the upper limit
of 99999, it is get back to 00000 and continues the count-up
operation.
operation.
• Press the [
x
] button to return to the test mode screen.
ICD-AX412/AX412F
12
15. Sleep test
• A transition to the sleep state is made for measurement of the
• A transition to the sleep state is made for measurement of the
standby current.
LCD DISPLAY
B
ENTER
<SLEEP>
Please Enter
Please Enter
B
ENTER
SET UP
<SLEEP>
SLEEP : NORMAL
• A transition to SLEEP state selection is made after power-on.
[PLAY]: The mode is determined. A transition to SLEEP is
made.
• The transition from this mode to other mode is inhibited.
• To exit this mode, disconnect power (unplug the battery.)
• When the WakeUP signal is detected, the system is rebooted.
• To exit this mode, disconnect power (unplug the battery.)
• When the WakeUP signal is detected, the system is rebooted.
16. BATT Lift test
• A result of measurement made through the battery life mea-
• A result of measurement made through the battery life mea-
surement F/W is indicated on the LCD.
• It is impossible to check this in service because the measure-
ment FW is required.
17. CHG LOG test
• A log for charging held in the SRAM is copied to the eMMC.
• A log for charging held in the SRAM is copied to the eMMC.
LCD DISPLAY
B
ENTER
<CHG LOG>
Please Enter
Please Enter
<CHG LOG>
Success
• After power-on, a log for charging is copied to the eMMC.
• An OK/NG result is displayed.
• Press the [
• An OK/NG result is displayed.
• Press the [
x
] button to return to the test mode screen.
18. MENU INIT lnit
• The menu setting is reset to the factory setting.
• The menu setting is reset to the factory setting.
LCD DISPLAY
B
ENTER
<MENU INIT>
Please Enter
Please Enter
<MENU INIT>
Formatting...
Formatting...
<MENU INIT>
Succes
• A transition to the initialization wait state is made after MENU
INIT.
[PLAY]: The mode is determined.
The initialization is executed.
• An OK/NG result is displayed.
• Press the [
• Press the [
x
] button to return to the test mode screen.
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