Diagnosis; Power Supply Operation; Led Display Information - Pioneer PDP-5020FD Service Manual

5

5. DIAGNOSIS

5.1 POWER SUPPLY OPERATION

[1] LED DISPLAY INFORMATION

LED Pattern
Status LED
Blue
AC OFF or
Red
Main Power Switch OFF
Orange
Blue
Standby Power
Red
Management
Orange
Blue
Red
Power On
Orange
Blue
Power-Down Red
Orange
Blue
Red
Shutdown
Orange
Blue
Shutdown
Red
(Subcategory flashing)
Orange
Blue
No digital adjustment
Red
data copied for backup
Orange
Blue
Red
Updating the PC
Orange
Blue
During factory operation Red
Orange
Blue
During DTB
Red
communication
Orange
inhibit
Blue
During USB update Red
Orange
Blue
Updating of USB is
Red
finished normally.
Orange
Blue
Updating of USB is
Red
abnormally finished.
Orange
Blue
Red
Sleep timer
Orange
*1: Notify upon the power-down content by Red LED flashing number of times.
*2: Notify upon the shutdown content by Blue LED flashing number of times
*3: Notify upon the subcategory number by Orange LED flashing number of times.
*4: Notify upon the abnormal state by Orange LED flashing number of times.
5
6
LED Pattern/Remarks
Once Twice
500ms
500ms
Once Twice
500ms
Once Twice
500ms
200ms
100ms
100ms
100ms
100ms
100ms
100ms
100ms
100ms
100ms
500ms Once 500ms Twice
PDP-5020FD
6
7
n times 2.5s
n times 2.5s
n times 2.5s
500ms n times 2.5sec
POWER ON STANDBY
7
8
A
B
Once
*1
*2
Once
*2
Once
*3
C
D
500ms *4
SLEEP
E
F
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