Sony DVP-CX860 Service Manual page 110

3. TROUBLESHOOTING
3-1. Test Mode is not activated
With the set assembled in the front panel, the Test mode does not
become active if any button was pressed by any reason.Under this
condition, the power is not turned on even in the normal status.
(The set is kept in Standby status = Red LED is kept on) Not only
the buttons are inactive, but also a signal from remote commander
is not accepted. The IF CON checks the self check port only after
the power on reset (only when AC is supplied; not in Standby sta-
tus). If any button was pressed, the button name should be dis-
played on the FL display tube. Though no button is pressed this
time, display of other than NOTHING implies that the button was
pressed.
3-2. Power is not turned on
1 Red (STANDBY) LED does not light up when AC was sup-
plied. The power (EVER 5.0 V) is not supplied.
X101 is not oscillating.
2 Red (STANDBY) LED is kept on though POWER button was
pressed. Any button is kept pressed.
PONCHK (IF CON pin 6) is over 0.1 V.
3 Green LED lights up when POWER button was pressed, but
red LED lights up again after several seconds. PONCHK (IF
CON pin 6) is abnormal. (Slow rise time from 0.1 V to 1.5 V.
Voltage must be less than 1.5 V)
SYSTEM CONTROL does not operate normally.
6-20E 6-20