Mitsubishi SL2U, Руководство по обслуживанию, Страница: 9 / 92

- 2 -
---
: LED off Orange : Both Red and Green light
Red flash N : The cycle that Red flashes N times and goes out for fixed time is repeated.
Preferen-
tial order
Symptom Failure Reset
Check Point
PCB Reference
LED Indication
POWER
Images input to
the video input
terminal are not
displayed.
IIC bus 2 failure
(DECODER)
Auto MAIN
IC2A2,
ICLK1, IDA1
Red/Green
alternately
Green
Red
flash 2
No power-on AV bus failure
Main
Power
MAIN
IC700-AAD0 to 23
IC400-AAD0 to 23
Red/Green
alternately
Green
Red
flash 3
8
No power-on
High intake air temperature
(outside air temperature)
Auto SETTING
Room temperature not
conforming to the
specification.
No power-on
after power-
off during
power-on
High intake air
temperature (outside air
temperature)
Auto SETTING
Room temperature not
conforming to the
specification.
Red ---
Red
flash
No power-on
after power-
off during
power-on
High temperature around
the Lamp
Auto SETTING Covered vent Red ---
Red
flash 2
Warning
indicated by
the LED
during STBY Warning that the end of
Lamp's life span is near
(SL2U : 1000 to 1500h)
(XL2U : 1500 to 2000h)
Manual
According to the product's specifications.
Not a malfunction.
Replace the lamp and reset the lamp time.
(Press the “POWER”, “
” and “ ”
buttons at the same time.)
Red
Red
flash
---
Warning
indicated by the
LED during
power-on Warning that the end of
Lamp's life span is near
(SL2U : 1000 to 1500h)
(XL2U : 1500 to 2000h)
Manual
According to the product's specifications.
Not a malfunction.
Replace the lamp and reset the lamp time.
(Press the “POWER”, “
” and “ ”
buttons at the same time.)
Green
Red/Green
alternately
---
No power-on
Power-on prohibited due to
the end of Lamp's life span
(SL2U : 1500h or more, XL2U :
2000h or more)
Manual
Replace the lamp and reset the lamp time.
(Press the “POWER”, “
” and “ ”
buttons at the same time.)
Red Red ---
10
12
Power-off within
60 s after power-
on, and no power-
on for next 30 s
Lamp failure
Auto
Press the POWER button after the LAMP
LED stops flashing green. When the lamp
doesn’t illuminate after pressing the
POWER button several times, replace the
lamp.
Red
Green
flash
--- 11
13
No power-off for
sixty seconds For sixty seconds after
POWER-ON
Auto
Not a malfunction.
(For protecting the lamp.)
Green
Green
flash
--- 15
No power-on for
sixty seconds For sixty seconds after
POWER-OFF
Auto
Not a malfunction.
(For protecting the lamp.)
Red
Green
flash
--- 16
LAMP TEMP
9
No power-on SW3.3 power
Main
Power
POWER,
MAIN
SF Connector,
SW3.3 (SF-6 pin)
Red/Green
alternately
Orange
Red
flash 3
No power-on SW15.5 power
Main
Power
POWER,
MAIN
SD Connector,
SW15.5 (SD-4 pin)
Red/Green
alternately
Orange
Red
flash 4
7 No power-on SW5A power
Main
Power
POWER,
MAIN
SD Connector,
SW5A (SD-2 pin)
Red/Green
alternately
Orange
Red
flash 6
No power-on SW9AU power
Main
Power
POWER,
AUDIO,
MAIN
SV Connector,
SW9AU (SV-2 pin)
Red/Green
alternately
Orange
Red
flash 7
Lamp going out
SETTING The intake is blocked.
Auto
User's logo
isn't displayed
Serial flash communication
error (flash memory)
Auto MAIN
Red/Green
alternately
Green
Red
flash 4
14
∗
∗
: XL2U only
Power-off after 60
s following power-
on, and no power-
on for next 60 s
Lamp
Lamp explosion Lamp explosion
Manual
IC703-1pin (CS), IC703-2pin (SDO),
IC703-5pin (SDI), IC703-6pin (SCK)