NEC PX-50XM4, Руководство по обслуживанию

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No signal With signal
Signal direction
Main power ON
(POWER button ON) ★
Pin No. Pin name Function
Standby
★★★
Power
management
★★
Main power
OFF
★★
AC power OFF
(Power cord
pulled out of
the wall outlet)
★★
AC power ON
(Power cord
connected to
the wall outlet)
★★
Basic operation (Numerical unit: Vdc; except for the case when units are individually indicated)
Name
42VR5
42XR3
50XR4
61XR3
0 0 0 0 0 0 -
11 232C_SHUT ON/OFF control for TXD0 driver 0 3.3 3.3 3.3 3.3 0 -
MAIN → RS232C
12 REM Insertion
detection for
wired remote
control input
42VM5
42VP5
42XM3
50XM4
61XM3
0 3.3V when a
wired remote
control is
connected/
When not
connected.
3.3V when a
wired remote
control is
connected/
When not
connected.
3.3V when a
wired remote
control is
connected/
When not
connected.
3.3V when a
wired remote
control is
connected/
When not
connected.
0 -
RS232C → MAIN
42VR5
42XR3
50XR4
61XR3
- - - - - - - (NC for Model R)
TM 1 SCL5 Clock line of the I2C bus 0 Clock signal
used during
data
transmission
(3.3Vac)
3.3Vdc when
no data are
transmitted.
Clock signal
used during
data
transmission
(3.3Vac)
3.3Vdc when
no data are
transmitted.
0 0 0 -
MAIN
→
SENB
2 GND GND 0 0 0 0 0 0 - -
3 VDD+3.3V 3.3V power supply for analog signals 0 3.3 3.3 0 0 0 -
MAIN
→
SENB
4 SDA5 Data line of the I2C bus 0 During data
exchange:
Clock signal
(3.3Vac), Data
not
exchanged:
3.3Vdc
During data
exchange:
Clock signal
(3.3Vac), Data
not
exchanged:
3.3Vdc
0 0 0
-
MAIN ←→ SENB
TR 1 SCL5 Clock line of the I2C bus 0 Clock signal
used during
data
transmission
(3.3Vac)
3.3Vdc when
no data are
transmitted.
Clock signal
used during
data
transmission
(3.3Vac)
3.3Vdc when
no data are
transmitted.
0 0 0 -
SENB → SEN Ｄ
2 GND GND 0 0 0 0 0 0 - -
3 VDD+3.3V 3.3V power supply for analog signals 0 3.3 3.3 0 0 0 -
SENB
→
SEN
Ｄ
4 SDA5 Data line of the I2C bus 0 During data
exchange:
Clock signal
(3.3Vac), Data
not
exchanged:
3.3Vdc
During data
exchange:
Clock signal
(3.3Vac), Data
not
exchanged:
3.3Vdc
0 0 0
-
SENB ←→ SEND
TS 1 SCL5 Clock line of the I2C bus 0 Clock signal
used during
data
transmission
(3.3Vac)
3.3Vdc when
no data are
transmitted.
Clock signal
used during
data
transmission
(3.3Vac)
3.3Vdc when
no data are
transmitted.
0 0 0 -
SEND
→
SENC
2 GND GND 0 0 0 0 0 0 - -
3 VDD+3.3V 3.3V power supply for analog signals 0 3.3 3.3 0 0 0 -
SEND → SENC
4 SDA5 Data line of the I2C bus 0 During data
exchange:
Clock signal
(3.3Vac), Data
not
exchanged:
3.3Vdc
During data
exchange:
Clock signal
(3.3Vac), Data
not
exchanged:
3.3Vdc
0 0 0
-
SEND ←→ SENC
FA 1 FAN-CTL Voltage-
controllable
power supply
42VM5
42VP5
42VR5
- - - - - - - -
42XM3
42XR3
0 11.5Vdc
during high-
speed
revolution
(Fan mode H);
8.5Vdc during
medium speed
revolution
(Fan mode M);
6.5Vdc during
low-speed
revolution
(Fan mode L)
11.5Vdc
during high-
speed
revolution
(Fan mode H);
8.5Vdc during
medium speed
revolution
(Fan mode M);
6.5Vdc during
low-speed
revolution
(Fan mode L)
0 0 0 -
MAIN → FAN
50XM4
50XR4
0 11.6Vdc
during high-
speed
revolution
(Fan mode H);
7.8Vdc during
medium speed
revolution
(Fan mode M);
5.3Vdc during
low-speed
revolution
(Fan mode L)
11.6Vdc
during high-
speed
revolution
(Fan mode H);
7.8Vdc during
medium speed
revolution
(Fan mode M);
5.3Vdc during
low-speed
revolution
(Fan mode L)
0 0 0 -
61XM3
61XR3
0 9.3Vdc during
high-speed
revolution
(Fan mode H);
7.6Vdc during
medium speed
revolution
(Fan mode M);
5.3Vdc during
low-speed
revolution
(Fan mode L)
9.3Vdc during
high-speed
revolution
(Fan mode H);
7.6Vdc during
medium speed
revolution
(Fan mode M);
5.3Vdc during
low-speed
revolution
(Fan mode L)
0 0 0 -
2 GND GND 0 0 0 0 0 0
-
-
3 ALARM 42VM5
42VP5
42VR5
- - - - - - - - FAN lock detect
signal output
CONFIDENTIAL
11-2