DVP-NS715P - Sony DVD Service Manual (repair manual). Page 72

Each Self Check function tests the FLD display, LED display, and
key input.

•

 x

key and

A

key on the main unit

•  

← key on the main unit and the remote commander

In this mode, all LEDs except STANDBY LED and all segments
of FLD turn ON.
Example of FLD all ON

• Keys on main unit except keys transited in self check

When a key on the main unit is pressed in the Self Check mode,
the name of that key is displayed on the FLD. Also, the key name
display and the key code display can be switched with the

[DISPLAY]

 key on the remote commander. “NOTHING” is dis-

played when nothing is entered. Also, VIDEO CD, DVD, and CD
segments turn on when a communication error occurred.

FLD display (at input of

H

key on the main unit)

Input

IC404: Pin No. (Signal)

Voltage [V]

Pin ed (CURSOR)

Pin ef (O/C)

Pin eg (PLAY)

Pin eh (DISPLAY) Pin ej (POWER)

0 – 0.2

ENTER

OPNE/CLOSE

PLAY

STOP

POWER

0.6 – 0.82

DOWN

PREVIOUS

–

DISPLAY

TVS

1.16 – 1.47

LEFT

PAUSE

–

MENU

PVEQ

1.8 – 2.12

UP

NEXT

–

RETURN

–

2.48 – 2.7

RIGHT

–

–

TOP MENU

–

3.3

–

–

–

–

–

;

VCD

PROGRESSIVE

MP 3

MULTI

SHUFFLE

REPEAT

1

;

Digital

PGM

GROUP TITLE TRACK CHAP INDEX ANGLE NTSC HOUR

MIN

SEC

A-

B

DVD

CD