Pioneer PDP-424MV Service Manual page 40

2 Alarm of fan error
Blinking in green (intervals of
0.5 seconds)
Turn off the main power supply.
Pressing the [MENU] key
of the product, turn on the
main power supply to cancel
alarming.
Is the fan running?
(Caution) When alarming is canceled,
[FAN MODE] of FAN SET
(P2/11) in the factory
adjustment menu
automatically moves from
[ENA] to [H], thus causing
the fan to run.
NO
Is there a voltage output of 11.3Vdc for PX-
42XM3/XR3, 11.2Vdc for PX-50XM4/XR4, and
9.3Vdc for PX-61XM3/XR3, respectively, at Pin 1
of the FA, FB, and FC connectors?
NO
Is there a voltage output of
11.3Vdc for PX-42XM3/XR3, 11.2V
dc for PX-50XM4/XR4, and 9.3Vdc
for PX-61XM3/XR3, respectively,
when the FA connector is
disconnected and the mains power
is turned ON?
YES
The FAN-A is fault.
(Caution) In the FAN MODE, [ENA] is automatically recovered when the main power is turned OFF→ON.
40
Is there a 3.3Vdc output
YES
at Pin 3 of the FA and
FB, FC connectors?
YES
The FAN-A/FAN-B/FAN-C is fault.
Is there a voltage output of
11.3Vdc for PX-42XM3/XR3,
11.2Vdc for PX-50XM4/XR4, and
9.3Vdc for PX-61XM3/XR3,
respectively, when the FB connector
is disconnected and the mains
NO power is turned ON?
YES
The FAN-B is fault.
8-4
FAN SET
FAN MODE ENA CONT ENA
FAN OFF/L — CONT UP
FAN L/M — CONT TIME
FAN M/H — UP STEP
FAN SAVE 075 DOWN STEP 2
PLE SAVE 070 READ TIME
T ALM 095 TEMP LEVEL 1
RET TME 030
PLE TIME 001
T1 030 T2 025
T3 030 T4 — MODE 2
IC ERROR —
[MENU/ENTER] NEXT [EXIT] PREV 2/11
FAN SET
FAN MODE H CONT ENA
FAN OFF/L — CONT UP
FAN L/M — CONT TIME
FAN M/H — UP STEP
FAN SAVE 075 DOWN STEP 2
PLE SAVE 070 READ TIME
T ALM 095 TEMP LEVEL 1
RET TME 030
PLE TIME 001
T1 030 T2 025
T3 030 T4 — MODE 2
IC ERROR —
[MENU/ENTER] NEXT [EXIT] PREV 2/11
The fan is out of order on the
YES
side where a 3.3Vdc output is
generated.
NO
The MAIN PWB is fault.
(Caution)
Is there a voltage output of 11.3Vdc
for PX-42XM3/XR3, 11.2Vdc for
PX-50XM4/XR4, and 9.3Vdc for
PX-61XM3/XR3, respectively, when
the FC connector is disconnected
and the mains power is turned ON?
NO
NO
YES
The FAN-C is fault.
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2
60
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2
60
The FAN-C and FC
connectors are used
only for the 61XM3
Series.
The MAIN PWB
is fault.