Sony ICD-ST10 / ICD-ST20 Service Manual ▷ View online
5
ICD-ST10/ST20
2-2. F-SW Board
2-3. MAIN Board
4
F-SW board
5
upper lid sub block assembly
2
speaker (2.8 cm)
(SP3001)
3
tapping screw
(1.7
×
2.5)
1
two screws
(1.7
×
2.5)
5
MAIN board
3
claw
4
case block
2
flexible board
1
microphone unit
flexible board
6
ICD-ST10/ST20
2-4. S-SW Board, Microphone Block Assembly
2-5. Microphone Unit
3
ornament (R)
6
ornament (L)
1
lid (connector)
7
microphone block assembly
4
button (5D)
5
S-SW board
2
pan tapping screw
(M 1.4
×
3)
7
microphone case
2
click plate
8
microphone cushion
9
microphone unit
q;
microphone cover
5
microphone base
3
Microphone unit flexible
board is removed.
4
Microphone part is turned in the direction of arrow
A
,
and it removes in the direction of arrow
B
.
B
A
6
pan tapping screw
(M 1.4
×
4.5)
1
pan tapping screw
(M 1.4
×
2)
adhesive sheet
screw hole part
7
ICD-ST10/ST20
2-6. The Cautions at the Time of a Microphone Block Assembly
1
pan tapping screw
(M 1.4
×
4.5)
4
pan tapping screw
(M 1.4
×
2)
microphone case
3
It turns in the direction of an arrow.
2
It inserts in a microphone base.
microphone cushion
microphone unit
microphone cover
microphone base
screw hole part
microphone unit
flexible board
flexible board
click plate
8
ICD-ST10/ST20
SECTION 3
TEST MODE
[Setting Method of the Test Mode]
To enter the test mode, turn on the HOLD
To enter the test mode, turn on the HOLD
. switch while pressing
the x key and VOL+ key at the same time with the power on.
[Exiting Method of the Test Mode]
Exit the test mode by turning off the power.
Exit the test mode by turning off the power.
[Initial Status of the Test Mode]
When the test mode is set, the LCD display appears as shown below.
When the test mode is set, the LCD display appears as shown below.
LCD display (Example)
[Operation in the Test Mode]
After entering the test mode, you can move within the test menu by
pressing the . / > key. You can move to the submenu by
pressing the x
After entering the test mode, you can move within the test menu by
pressing the . / > key. You can move to the submenu by
pressing the x
•B key. Then each test mode can be executed.
1. LCD test
• LCD is tested of all light-on and all light-off.
• LCD is tested of all light-on and all light-off.
2. Audio test
Perform the through-playback and sine wave output.
• Contents of the submenu
Perform the through-playback and sine wave output.
• Contents of the submenu
DSP ST: DSP STEREO through mode
DSP MO: DSP MONO through mode
SIN: 1 kHz sine wave output mode
DSP MO: DSP MONO through mode
SIN: 1 kHz sine wave output mode
• Select the microphone sensitivity with the A-B
switch.
H
tMtLtHtMt ...
• The VOR detection operation can be checked by the LED.
Sound: The red LED is turned on. No sound: The red LED is
turned off.
• MUTE can be set to “ON” or “OFF” with the ERASE key.
• The sound volume can be adjusted with the VOL+ key or
• The sound volume can be adjusted with the VOL+ key or
VOL- key during the audio test except the MUTE mode.
• In the directional microphone selection, ON/OFF of the
DIRECTNL switch is performed with the DIVIDE key.
DIRECTNL switch ON : The green LED is turned on.
DIRECTNL switch ON : The green LED is turned on.
OFF : The green LED is turned off.
• In the audio test mode the operation is performed according to
JACK detection.
• The microphone sensitivity, sound volume and MUTE (on/off)
are displayed on the LCD.
• The microphone sensitivity selection and the VOR test are
effective in the through-playback mode.
• The directional microphone selection is effective in the DSP
MONO through mode.
[Flow Chart of the Test Mode]
Iris(DSP) version : 5A
SakuraR(CPU) version : 1.02
(In
α
version or
β
version, A or B is displayed)
LPEC ST version : 01
Model code : ST20
5A
102
102
01
ST20
ST20
102
01ST20
5A
A B
START
TEST MODE
Initial status of test mode
Model code, LPEC ST,
F/W version display
TEST MODE
>
.
.
.
>
>
.
END
>
LCD
AU IO
SLEEP
BEEP
RTC
RST
MENU
KEY
COUNT
USB
LED
BATT
KEY
>
>
>
>
.
.
.
.
>
>
>
>
.
.
.
.
Turn off the power
(Extract the batteries or DC jack)
(Extract the batteries or DC jack)
.
>
.
>
OFF LCD
CHK LCD
ALL LCD
:
:
LCD
ALL
LCD
CHK
START
CHK
END
C
B
A
REC
D E
STSPLP
H
M
L
YM
88
888
888888
MM
DS
m
★
★
★
(select),
(set)
(LCD off)
x
x
x
x
x B
x B
DSP STEREO through mode / MIC : M / MUTE : ON / VOL-LEVEL : 12
t
"M / on / 12 / DSP ST"
DSP MONO through mode / MIC : H / MUTE : OFF / VOL-LEVEL : 23
t
"H / oF / 23 / DSP MO"
1k sine wave output mode / MUTE : ON / VOL-LEVEL : 06
t
"on / 06 / SIN"
:
:
DSP MO
SIN
DSP ST
DSP ST
AU IO
DSP ST
23
DSP MO
oF
H
m
12
DSP ST
on
M
m
06
SIN
on
.
>
(select),
(set)
x
x
x
x
x B
x B
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