Sony NW-A100TPS Service Manual page 53

NW-A100TPS/A105/A105HN/A106HN
5-13. Key (Key)
Screen display
Diagnosis APP
[ver X.XX.XX]
Press count check
Connection check
Connection status
5-13-1. Key press check (Press check)
It can be check the pressing of the each keys (buttons).
Procedure:
1. Press the [+] or [–] button to select the "Key", and press the
[ ] or [ ] button to enter the minor item.
u >
2. Press the [+] or [–] button to select the "Press check".
3. Press the [ ] button, all keys are displayed to the screen.
u
Screen display
Key push
(KEY PUSH command)
LEFT PLAY RIGHT
HOLD
4. The character in the screen corresponding to the pressed key
(button) is selected, every time the each key (button) of WALK-
MAN main unit is pressed.
([ ], [+], [–], [ ], [
1 . u
direction of on)
5. When all of the keys are checked, "Key push OK" is displayed.
Screen display
Key push
(KEY PUSH command)
LEFT PLAY RIGHT
HOLD
Key push OK
6. Slide the [HOLD] switch from "ON t OFF", return to minor
item selection screen.
53
Key
Press check
VOL+
VOL–
POWER
], [ ], Slide [HOLD] switch in the
>
VOL+
VOL–
POWER
5-13-2. Key press count check (Press count check)
Note: Not used for the servicing.
If you have entered this mode by mistake, press the [ u ] button in a
state in which slide the [HOLD] switch in the direction of on, return
to minor item selection screen.
5-13-3. Accessory connection count check
(Connection check)
Note: Not used for the servicing.
5-13-4. Headphone connection status
(Connection status)
It can check the headphone detection.
If the headphones detection connector is not inserted correctly, is
disconnected, or is shorted, no sound will be output from the head-
phones.
Note 1: In the "5-2. Audio (Audio)" item, headphone detection is not per-
formed, so even if the "5-2. Audio (Audio)" item is performed and
sound is output from the headphones, the sound may not be output
in normal mode.
Note 2: Use stereo mini plug headphones.
Procedure:
1. Press the [+] or [–] button to select the "Key", and press the
[ ] or [ ] button to enter the minor item.
u >
2. Press the [+] or [–] button to select the "Connection status".
3. Press the [ ] button, check screen is displayed.
u
Screen display
Connection status
(KEY CSTS command)
Type
[SE-HP (3P) ]
4. Press the [ ] or [ ] button to select the "SE-HP (3P)".
. >
5. Insert stereo mini plug headphones and press the [
check that ">>> inserted" is displayed.
Next, remove stereo mini plug headphones and press the [
button, check that ">>> removed" is displayed.
Screen display
Connection status
(KEY CSTS command)
Type
[SE-HP (3P) ]
>>> inserted
6. Switch the [HOLD] switch in the order of OFF t ON, or ON
t OFF t ON, to return to minor item selection screen.
Sony CONFIDENTIAL
For Authorized Servicer
] button,
u
When inserted headphones.
">>> inserted"
r
When removed headphones.
">>> removed"
]
u
SYS SET