Sony ICD-BX800 Service Manual ▷ View online
ICD-BX800
5
1-4. COMPLETE MAIN BOARD
1-5. LIQUID CRYSTAL DISPLAY PANEL (LCD101), MAIN BOARD
1 screw
2
Remove the two solders.
case (rear) assy
3
COMPLETE MAIN board
1
Remove the two solders.
6
liquid crystal display panel
(LCD101)
7
MAIN board
3
holder (LCD)
4
spacer (LCD)
5
connection conductive board
2
electret condenser microphone
(MIC101)
(MIC101)
red
black
ICD-BX800
6
SECTION 2
TEST MODE
1. Outline of the TEST MODE
The TEST MODE is designed to help verify the set when servic-
ing it.
The TEST MODE is only menu driven to select modes for servic-
ing.
The TEST MODE is designed to help verify the set when servic-
ing it.
The TEST MODE is only menu driven to select modes for servic-
ing.
2. Entering and Canceling the TEST MODE
With the power on, turn on the [HOLD] switch while pressing the
[
With the power on, turn on the [HOLD] switch while pressing the
[
x
] button and the [FOLDER/MENU] button at the same time.
3. Canceling the TEST MODE
The TEST MODE can be cancelled by turning off the power (un-
plugging the dry battery.)
The TEST MODE can be cancelled by turning off the power (un-
plugging the dry battery.)
4. Flow Chart of TEST MODE
Select the desired item by using the [
Select the desired item by using the [
>
+]/[–
.
] button, and
press the [
N
ENTER] button to set the selection.
5. Operation Display of respective menus
The operational and screen information about the respective menus
is described.
The operational and screen information about the respective menus
is described.
5-1. Initial Display in TEST MODE
LCD indications (destination information, memory capacity, CPU
FW version information, MIC sens and ALC) when TEST MODE
is entered:
LCD indications (destination information, memory capacity, CPU
FW version information, MIC sens and ALC) when TEST MODE
is entered:
CHARGE
[
>
]
[
.
]
H
m
01
DPC
CHARGE
KEY COUNT
COUNT
H
m
DPC
KEY
KEY
H
m
DPC
MAIN MENU
R1.00.02
DPC
BATTERY LIFE
BATLIFE
H
m
DPC
RTC
RTC
H
m
DPC
SLEEP
SLEEP
H
m
LCD,LAMP
H
m
DPC
BEEP
DPC
H
m
BEEP
LCD
H
m
DPC
AUDIO LOOP
RADIO
H
m
DPC
BATT AD,DCIN
BATT DC
START
TEST MODE
END
TEST MODE
Turn off the power
(Remove the batteries)
m H
DPC
01
P 1.00.02
Model information
(01 : 1GB)
Memory capacity
This display used to “5-4. Audio Loop”.
(02 : 2GB)
(04 : 4GB)
(00 : Access Error)
(04 : 4GB)
(00 : Access Error)
CPU FW version information
m
DPC
L H
VOL.10
(DPC : ON)
( : OFF)
( : OFF)
ALC
Volume
(VOL.00~30)
(VOL.00~30)
MIC sens
ICD-BX800
7
5-2. LCD, Lamp Test
“LCD, lamp test” has the following three modes:
1. LCD all displayed (including lamps all on)
2. LCD, lamp all off (green lamp on)
3. Check pattern (red lamp on)
“LCD, lamp test” has the following three modes:
1. LCD all displayed (including lamps all on)
2. LCD, lamp all off (green lamp on)
3. Check pattern (red lamp on)
First the all on mode is activated. Then the mode is switched from
one to another by pressing [
one to another by pressing [
>
+] and [–
.
].
To exit from this test mode, get back to the menu screen by press-
ing the [
ing the [
x
] button.
5-3. BEEP Test
To enter the BEEP Test, press the [
To enter the BEEP Test, press the [
N
ENTER] button.
To exit from this test mode, get back to the menu screen by press-
ing the [
ing the [
x
] button.
5-4. Audio Loop
“Audio loop” has the following four recording modes:
• Fs = 44.1 kHz, Stereo
• Fs = 44.1 kHz, Mono
• Fs = 22.05 kHz, Stereo
• Fs = 11.025 kHz, Mono
“Audio loop” has the following four recording modes:
• Fs = 44.1 kHz, Stereo
• Fs = 44.1 kHz, Mono
• Fs = 22.05 kHz, Stereo
• Fs = 11.025 kHz, Mono
In the loop mode, the VOR value is always acquired and indicated.
When the VOR value is larger than its set value, the red lamp goes
on.
When the VOR value is larger than its set value, the red lamp goes
on.
To exit from this test mode, get back to the menu screen by press-
ing the [
ing the [
x
] button.
All off
(Green LED on)
All on
Check Pattarn
(Red LED on)
DPC
LC:D
B
ENTER
x
>
+
>
+
-
.
-
.
>
+
-
.
RECDATE
REMAIN
:
%
.
m
,
u
H
m L
SHQSPLP
EASY-S
DPC
DPC
YH
MM
DS
N-CUT
1:8:8:8 :8:8 :8:8
88
88 8
REC
A B C D E
RECDATE
m
u
H
SHQ LP
EASY-S
H
M
S
1234 56 78
55
01 2
REC
A
C
E
m H
Beep: Frequency 1.3kHz only
13
DPC
:BEEP
DPC
:BEEP
B
ENTER
x
m H
m H
DPC
ST
V0R 00 00
V0R 00 00
V0R 00 00
V0R 00 00
Loop Mode
When the VOR value is large than its set value,
the red lamp goes on.
the red lamp goes on.
Fs=44.1kHz.Stereo
DPC
AU:010
B
ENTER
x
>
+
-
.
>
+
-
.
Fs=44.1kHz.Mono
>
+
-
.
Fs=22.05kHz.Stereo
>
+
-
.
Fs=11.025kHz.Mono
44
DPC
DPC
in
in
i
44
DPC
ST
22
L
11
m H
m H
m H
m
L
m
ICD-BX800
8
5-5. Batt AD, DCIN
The current AD value (hexadecimal) of BATT_AD is indicated
and whether DCIN is present or not is displayed. When DCIN is
present, BATT_AD is not read. (
The current AD value (hexadecimal) of BATT_AD is indicated
and whether DCIN is present or not is displayed. When DCIN is
present, BATT_AD is not read. (
>
displayed)
To exit from this test mode, get back to the menu screen by press-
ing [
ing [
x
] button.
5-6. RTC Test
One second update interrupt is set for the RTC. When an interrupt
occurs, “OK” is displayed. If no interrupt occurs after an elapse of
three seconds, “NG” is displayed.
One second update interrupt is set for the RTC. When an interrupt
occurs, “OK” is displayed. If no interrupt occurs after an elapse of
three seconds, “NG” is displayed.
To exit from this test mode, get back to the menu screen by press-
ing [
ing [
x
] button.
5-7. Battery Life
This mode provides only the display mode designed to indicate the
previous measurement results.
Only this mode provides the measurement mode to record and play
back automatically until the low battery is reached and to write a
log at the end of operation.
This mode provides only the display mode designed to indicate the
previous measurement results.
Only this mode provides the measurement mode to record and play
back automatically until the low battery is reached and to write a
log at the end of operation.
• Display Mode
The mode of operation (record and playback), the recording mode,
and the date (year, month and day) and time of start and end of
operation are indicated on the display screen.
The mode of operation (record and playback), the recording mode,
and the date (year, month and day) and time of start and end of
operation are indicated on the display screen.
To exit from this test mode, get back to the menu screen by press-
ing the [
ing the [
x
] button.
ON
BATT_AD AD value
DPC
:8RTT :OC
DPC
:8RTT :OC
DCIN with/without information
B
ENTER
x
FF
m H
m H
“OK”
OK
DPC
RTC
DPC
RTC
“NG”
NG
DPC
RTC
B
ENTER
x
m H
m H
m H
:BATLIFE
DPC
End
DTC
123456
ST
DTC
080101
B
ENTER
x
m H
m H
m H
Y
M
D
H
M
S
REC
REC
REC
mode
days
start
PLAY
end
times
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