Sony ICD-FX88 Service Manual ▷ View online
ICD-FX88
9
SECTION 3
TEST MODE
1. SETTING THE TEST MODE
Note: Test mode is impossible when battery voltage is not enough.
Do work using the battery with suffi cient battery level.
Setting method:
1. Equip this unit with battery.
2. Slide the [HOLD•POWER ON/OFF] switch in the direction of
1. Equip this unit with battery.
2. Slide the [HOLD•POWER ON/OFF] switch in the direction of
“POWER ON/OFF” until the window display appears.
3. Slide the [HOLD•POWER ON/OFF] switch towards the cen-
ter.
4. While pressing the [
x
] and [VOL –] keys, slide the
[HOLD•POWER ON/OFF] switch in the direction of “HOLD”.
VOL –
x
5. The test mode menu is displayed, and enter the test mode. Re-
lease the [
x
] and [VOL –] keys.
(Displayed characters/values in the following fi gure are ex-
ample)
ample)
LCD Display
Memory capacity
Firmware version
Destination
Firmware version
Destination
2. RELEASING THE TEST MODE
Remove battery.
Remove battery.
3. CONFIGURATION OF THE TEST MODE
[
.
] key
[
>
] key
Main menu
LCD
BEEP
AUDIO
BATAD
RTC
BATT LIFE
SLEEP
USB
COUNT
VERSION
KEY
INIT
Main menu
J
j
k
K
Normal mode
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]
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[
x
] key
4. OPERATION OF THE TEST MODE
4-1. Main menu
Destination, fi rmware version and memory capacity can be con-
fi rmed.
4-1. Main menu
Destination, fi rmware version and memory capacity can be con-
fi rmed.
Procedure:
1. Enter the test mode.
1. Enter the test mode.
(Refer to “SETTING THE TEST MODE”)
2. Destination, fi rmware version and memory capacity are dis-
played on LCD display.
(Displayed characters/values in the following fi gure are ex-
ample)
ample)
LCD Display
Memory capacity
Firmware version
Destination
Firmware version
Destination
Key input settings under this mode of operation:
[VOL +]
: Volume up
[VOL –]
: Volume down
[REC/PAUSE/
z
]
: Microphone sensitivity change
[ DISPLAY/ MENU] : ALC on/off change (default: off)
The settings of volume, microphone sensitivity and ALC on/off
changed in this mode becomes effective also the modes other than
“4-2. LCD” and “4-4. AUDIO”.
changed in this mode becomes effective also the modes other than
“4-2. LCD” and “4-4. AUDIO”.
ICD-FX88
10
4-2. LCD
The lighting check of LCD can be performed.
The lighting check of LCD can be performed.
Procedure:
1. Enter the test mode.
1. Enter the test mode.
(Refer to “SETTING THE TEST MODE” on page 9)
2. Press the [
>
] or [
.
] keys to select the “LCD”, and press
the [
N
] key.
3. LCD display pattern is displayed as shown in the following
fi gure.
APM
REC DATE
A M
REC DATE
LCD Display Pattern
LCD Display:
All ON
All ON
Operation indicator LED:
Orange lights
Orange lights
LCD Display:
Display pattern
Display pattern
Operation indicator LED:
Lights OFF
Lights OFF
LCD Display:
All OFF
All OFF
Operation indicator LED:
Green lights
Green lights
Key input settings under this mode of operation:
[
>
] or [
.
] : Display pattern change
Releasing method:
Press the [
Press the [
x
] key, return to test mode menu.
4-3. BEEP
Beep sound (1.3 kHz) can be outputted.
Beep sound (1.3 kHz) can be outputted.
Procedure:
1. Enter the test mode.
1. Enter the test mode.
(Refer to “SETTING THE TEST MODE” on page 9)
2. Press
the
[
>
] or [
.
] keys to select the “BEEP”, and press
the [ENTER/
N
] key.
3. Beep sound (1.3 kHz) is outputted.
(Displayed characters/values in the following fi gure are ex-
ample)
ample)
LCD Display
Output to the speaker or headphone and output level are based
on operation of this unit.
on operation of this unit.
Key input settings under this mode of operation:
[VOL +] : Volume up
[VOL –] : Volume down
Releasing method:
Press the [
Press the [
x
] key, return to test mode menu.
4-4. AUDIO
Audio loop back operation can be performed.
Audio loop back operation can be performed.
Procedure:
1. Enter the test mode.
1. Enter the test mode.
(Refer to “SETTING THE TEST MODE” on page 9)
2. Press the [
>
] or [
.
] keys to select the “AUDIO”, and
press the [ENTER/
N
] key.
3. Audio loop back operation is performed.
(Displayed characters/values in the following fi gure are ex-
ample)
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.
level is larger than the VOR setting value, the operation indicator
LED redly lights up.
(Threshold value is based on operation of this unit)
LCD Display
Key input settings under this mode of operation:
[
.
] or [
>
]
: STHQ/STSP change
[ DISPLAY/ MENU] : ALC on/off change (default: off)
[
A-B]
: LCF fi lter on/off change (default: on)
Operation of others by the plug/unplug signal (the external micro-
phone jack and headphone jack) are based on operation of this unit.
phone jack and headphone jack) are based on operation of this unit.
Releasing method:
Press the [
Press the [
x
] key, return to test mode menu.
ICD-FX88
11
4-5. BATAD
A/D value (voltage value and temperature value) acquisition can
be performed.
A/D value (voltage value and temperature value) acquisition can
be performed.
Procedure:
1. Enter the test mode.
1. Enter the test mode.
(Refer to “SETTING THE TEST MODE” on page 9)
2. Press the [
>
] or [
.
] keys to select the “BATAD”, and
press the [ENTER/
N
] key.
3. A/D value (voltage value and temperature value) are acquired,
and they are displayed by hexadecimal number.
(Displayed characters/values in the following fi gure are ex-
ample)
ample)
LCD Display
Releasing method:
Press the [
Press the [
x
] key, return to test mode menu.
4-6. RTC
The self-test of RTC module can be done.
The self-test of RTC module can be done.
Procedure:
1. Enter the test mode.
1. Enter the test mode.
(Refer to “SETTING THE TEST MODE” on page 9)
2. Press
the
[
>
] or [
.
] keys to select the “RTC”, and press
the [ENTER/
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)
ample)
LCD Display
RTC self-test result
Releasing method:
Press the [
Press the [
x
] key, return to test mode menu.
4-7. BATT LIFE
Not used for the servicing.
Not used for the servicing.
4-8. SLEEP
It can change into the sleep state for standby current value mea-
surement.
It can change into the sleep state for standby current value mea-
surement.
Note: It cannot move to other modes from this mode.
Procedure:
1. Enter the test mode.
1. Enter the test mode.
(Refer to “SETTING THE TEST MODE” on page 9)
2. Press the [
>
] or [
.
] keys to select the “SLEEP”, and press
the [ENTER/
N
] key.
3. The sleep mode selection screen is displayed.
(Displayed characters/values in the following fi gure are ex-
ample)
ample)
LCD Display
Key input settings under this mode of operation:
[
.
] or [
>
] : Sleep mode change (NORMAL ↔ DEEP)
[
N
]
: This unit shifts to the sleep mode
Releasing method:
Remove battery.
Remove battery.
4-9. USB
VBUS detection signal can be checked.
VBUS detection signal can be checked.
Procedure:
1. Enter the test mode.
1. Enter the test mode.
(Refer to “SETTING THE TEST MODE” on page 9)
2. Press
the
[
>
] or [
.
] keys to select the “USB”, and press
the [ENTER/
N
] key.
3. The state of VBUS_XDET is displayed.
(Displayed characters/values in the following fi gure are ex-
ample)
ample)
LCD Display
OFF
:
VBUS_XDET=1
(H)
ON
:
VBUS_XDET=0
(L)
Key input settings under this mode of operation:
[ENTER/
N
] : It shifts to the suspension state.
Remove battery, in order to be released from
the suspension state.
Releasing method:
Press the [
Press the [
x
] key, return to test mode menu.
ICD-FX88
12
4-10. COUNT
The count value of the keys and switches operation can be dis-
played. However, distinction of kind of the keys and switches
which operated is not performed.
The count value of the keys and switches operation can be dis-
played. However, distinction of kind of the keys and switches
which operated is not performed.
Note: It cannot move to other modes from this mode.
Procedure:
1. Enter the test mode.
1. Enter the test mode.
(Refer to “SETTING THE TEST MODE” on page 9)
2. Press the [
>
] or [
.
] keys to select the “COUNT”, and
press the [ENTER/
N
] key.
3. The count value of the keys and switches operation is dis-
played.
(Displayed characters/values in the following fi gure are ex-
ample)
ample)
LCD Display
Count value increase conditions:
One of buttons is pushed.
One of switches is slid.
Headphone or microphone is inserted.
When it counts up in the state of “9999”, it return to “0000”.
Releasing method:
Remove battery.
Remove battery.
4-11. VERSION
IPL version, Writer version and eMMC driver version can be con-
fi rmed.
IPL version, Writer version and eMMC driver version can be con-
fi rmed.
Procedure:
1. Enter the test mode.
1. Enter the test mode.
(Refer to “SETTING THE TEST MODE” on page 9)
2. Press
the
[
>
] or [
.
] keys to select the “VERSION”, and
press the [ENTER/
N
] key.
3. Each versions are displayed as shown in the following fi gure.
(Displayed characters/values in the following fi gure are ex-
ample)
ample)
LCD Display
IPL version
Writer version
eMMC driver version
Key input settings under this mode of operation:
[
.
] or [
>
] : Displayed version change
Releasing method:
Press the [
Press the [
x
] key, return to test mode menu.
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