Panasonic OLED-201806, Technical Manual

Page: 63 / 87

63
OK
OK
(3.3V)
Panel Module
NG
OK
(Power off)
Short check between
SRV-24V and GND.
PB(65FZ) / P(55FZ)
Module
Check if the voltage
of EVDD_ON (pin 1 of PB4)
just before LED blink?
Refer to the previous page block diagram.
Troubleshooting for LED Blinking ( 1 / 2 time blink ) for OLED -3
<A+P+PB>
OLED
1 time blink
(check of 24V/12V line)
2 time blink
(check of 12V line)
OK
Disconnect the A02 connector.
Check if which board is
shorted
A board
Shorted Shorted
FZ series
Disconnect CN5 connector
on TCON board. Check if
which board is shorted.
Power on.
Check if the voltage
of SRV-24V.
Is rise up before LED 1 blink?
PB(65FZ) / P(55FZ)
Module
OK
Power on.
Check if the voltage
of SRV-12V.
Is rise up before LED blink?
NG
(Power off)
Short check between
SRV-12V and GND.
NG
A board
Panel Module Panel Module or or
PB5
PB board for 65FZ
P3
P board for 55FZ
24V
24V
CN11
CN5
CN5
CN11
T-CON Board
SRV-12V
A02
A Board
12V: 7-12pin
24V: 8-15pin
PB4
P2
EVDD_ON
EVDD_ON