Sony ICD-S7 Service Manual page 9

4. Sleep test
• Pressing the x•B key causes the set to enter the sleep state.
• When the HOLD switch is ON, the LCD is turned off. When
OFF, the LCD is turned on.
• Press any keys to exit the sleep state.
x•B
SLEEP TEST
x•B
(with HOLD ON status)
5. Beep test
• Beep sound of 1.3 kHz or 2 kHz is output.
x•B
BEEP TEST 1. 3 K BEEP
:
STOP 2. 0 K BEEP
1. 3 K BEEP
:
6. SIO test
• Perform the connection test of the RTC, EEPROM and serial to
parallel conversion IC.
• As to the test result, if all of the connection test are OK,
"****OK****" is displayed. If the connection test of the RTC is
NG, "**RTCNG**" is displayed. If the EEPROM is NG,
"**EEPNG**" is displayed.
SIO TEST
7. Key entry test
• When the any key is pressed, the entry key and the A/D converted
value (hexadecimal) of the two channel keys are displayed.
• When the STOP key is pressed, the A/D value of the key is
displayed while the key is depressed. When the key is released,
the screen returns to the test menu.
KEY TEST
8. Battery remaining power test
• The detected A/D value (hexadecimal) of the battery remaining
power is displayed.
BATT TEST
9. LED/EL test
• LED (red and green) and EL are all turned on.
LED TEST
(with HOLD OFF status)
LCD OFF
SLEEP IN
any keys any keys
. > (select),
x•B
(set)
1. 3 K BEEP 2. 0 K BEEP
STOP STOP
x•B
SIO OK
STOP
x•B
0-FF 1-FF
STOP
x•B
STOP
x•B
LED EL ON
STOP
10. USB test
• When the menu starts the USB self-check, either presence or
absence of the Vbus is judged.
(Vbus is present: "VBUS: ON", Vbus is absent: "VBUS: OFF")
• The USB driver always works regardless of presence or absence
of the USB signal only when Vbus is available during the USB
test. At this time, turning on HOLD causes the set to move to the
suspend state. Turning off the Vbus causes the set to return to the
test menu.
When Vbus is on, HOLD key turns on.
x•B
USB VBUS ON
11. DC-IN test
LCD : Detection result of external DC power supply is display is
displayed of LCD.
DC JACK
12. DATA READ test (not used)
Not use for test command design check or verification.
13. Rest menu
• Pressing the x•B key causes the set to enter the menu
initialization standby state.
• When the following keys are all entered and the x•B key is
pressed, the initialization is executed. At the same time, the
WakeUp signal is checked, too.
Check keys: VOLUME+ , VOLUME– , A-B REPEAT ,
INDEX , STOP , zREC , ERASE , . ,
x•B , > , MENU , FOLDER
and check states of Memory Stick insert and
outsert ( EJECT ).
• If all tests end in success, "**ALLOK**" is displayed. If the key
entry is NG or if any of the keys is not pressed yet, "**KEYNG**"
appears. If saving in the EEPROM is NG, "**MENUNG**"
appears.
In the case that the
and saving in the EEPROM end correctly,
after the check key is entered.
x•B
RESET RESET KEY
ICD-S7
Suspend
LCD OFF
STOP STOP
or cut Vbus cut Vbus
x•B
JACK ON OFF ( )
STOP
x•B
key entry
RESET OK
STOP STOP
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