Diagnosis Of Shutdown/Power-Down Indicated By Leds; Power/Shut Down Count - Pioneer PDP-506PE Service Manual

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7.1.2 DIAGNOSIS OF SHUTDOWN/POWER-DOWN INDICATED BY LEDS

• Operation statuses indicated by LEDs
Status
Standby
1 Lit in Red
2 Lit in Blue
Power ON
Red flashes
AC Power OFF of
3
(1000ms)
one side
Red and
System cable
4 blue flash
disconnection
(1000ms)
Red flashes
5
Power-down
(500+2500ms)
Blue flashes
6
Shutdown
(500+2500ms)
Lit in Red and
No backup copy
7 blue flashes
(200ms)
• PD (power-down) count
1 Not used
2 POWER SUPPLY Unit
3 SCAN Assy
4 5V power supply for SCAN
5 Y-DRIVE (Not used)
6 DCDC for Y drive
7 Y-SUS
8 ADDRESS Assy
9 X-DRIVE
10 DCDC for X drive
11 X-SUS
12 Not used
13 Sequence drive stop
14 Not used
15 UNKNOWN
Note:
• When a shutdown occurs, a warning will be issued by the
Media Receiver and displayed, then the power will be shut off.
• When a shutdown or power-down occurs on the Panel side,
the Media Receiver will enter Standby mode (the red LED
will light).
5
6
LED Pattern
Blue
Red
Blue
Red
Blue
Red 1000ms
Blue 1000ms
Red 1000ms
Blue
Once Twice
Red
500ms
Blue 500ms
Red
Once Twice
200ms
Blue
Red
: Lit in Red LED
: Lit in Blue LED
• SD (shut down) count
* When a jumper (J105) between the HD AUDIO Assy and
the POWER SUPPLY Unit is disconnected, the SD LED
flashes five times in this manner.
PDP-506PE
6
7
n times 2.5s
n times
2.5s
1 SEQUENCE PROCESSOR (SQ_IC)
2 MDU-IIC
3 RST2 abnormality
4 Panel high temperature
5 Speaker short-circuit *
7
8
A
B
Once
Once
C
D
E
F
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