Sony DVP-NS355 Service Manual page 65

2-3. Each Self Check Function
Each Self Check function tests the FLD display, LED display, and
key input.
Input
Voltage [V]
PIN ef (AD1)
0 - 0.20 PLAY
0.60 - 0.82 PAUSE
1.16 - 1.47 PREVIOUS
1.80 - 2.12 NEXT
2.48 - 2.70 -
2-3-1. FLD and LED All ON
2-3-1-1. Transition Keys in Self Check Mode
• Z key and x key on the main unit
• T key on the remote commander
2-3-1-2. Operation and display
In this mode, all LEDs and all segments of FLD turn ON.
• Example of FLD all ON
2-3-2. Main Unit Key Name Display and Key Code
Display
2-3-2-1. Transition Keys in Self Check Mode
• Keys on the main unit except keys transited in Self Check
Mode
2-3-2-2. Operation and Display
When a key on the main unit is pressed in the Self Check mode,
the name of that key is displayed on the FLD. Aslo, the key name
display and the key code display can be switched with the
[DISPLAY] key on the remote commander, "NOTHING" is
displayed when nothing is entered. Also, DVD, V, CD segments
turn on when a communication error occurred.
• FLD display (at input of H key on the main unit)
IC404: Pin No. (Signal)
PIN eg (O/C) PIN eh (STOP)
OPEN/CLOSE STOP
- -
- -
- -
- -
PIN ej
POWER
-
-
-
-
6-6