Mitsubishi PD-5030, Руководство по обслуживанию

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7-2
(Caution) The operating voltages specified below are used in common irrespective of the presence of signals. In this case, how-
ever, part of the operating voltages (red characters) may change according to the signal conditions when the main
power supply is turned on (POWER button ON).
Status of LED lighting:
v
for lighting in green,
vv
for unlighting, and
vvv
for lighting in red.
Name Pin No. Pin name Function
Basic operation (Numerical unit: Vdc; except for the case when units are individually indicated)
AC power ON
(Power cord
connected to
the wall outlet)
Main power ON
(POWER button ON)
No signal With signal
Power
management
Standby
Main power
OFF
AC power OFF
(Power cord
pulled out of the
wall outlet)
Signal direction
Ver. 1
PN
PM
PV
DS
AU
RS
1 D+3.3 3.3V power supply for digital circuits 0 3.3 3.3 0 0 0 – POWER
→
MAIN
2 D+3.3 3.3V power supply for digital circuits 0 3.3 3.3 0 0 0 – POWER
→
MAIN
3 D+3.3 3.3V power supply for digital circuits 0 3.3 3.3 0 0 0 – POWER
→
MAIN
4 D.GND GND 0 0 0 0 0 0 – –
5 D.GND GND 0 0 0 0 0 0 – –
6 D.GND GND 0 0 0 0 0 0 – –
7 D+2.5 2.5V power supply for digital circuits 0 2.5 2.5 0 0 0 – POWER
→
MAIN
8 D+2.5 2.5V power supply for digital circuits 0 2.5 2.5 0 0 0 – POWER
→
MAIN
9 D+2.5 2.5V power supply for digital circuits 0 2.5 2.5 0 0 0 – POWER
→
MAIN
10 D.GND GND 0 0 0 0 0 0 – –
11 D.GND GND 0 0 0 0 0 0 – –
12 D.GND GND 0 0 0 0 0 0 – –
1 M+7 7V power supply for microcomputer 6.8 6.8 6.8 6.8 6.8 6.8 – POWER
→
MAIN
2 D.GND GND 0 0 0 0 0 0 – –
3 POWER Power control 0 4.9 4.9 0 0 0 – MAIN
→
POWER
4 D.GND GND 0 0 0 0 0 0 – –
5 POMUTE Mute signal for AC power OFF 4.8 4.8 4.8 4.8 4.8 4.8 4.8
→
POWER
→
MAIN
6 SW7 Power start control 0 6.8 6.8 6.8 6.8 0 – POWER
→
MAIN
7 NC Non-connection terminal – – – – – – – –
1 A+12V 12V power supply for analog circuits 0 12 12 0 0 0 – POWER
→
MAIN
2 A.GND GND 0 0 0 0 0 0 – –
3 A+6 6V power supply for analog circuits 0 6 6 0 0 0 – POWER
→
MAIN
4 A+6 6V power supply for analog circuits 0 6 6 0 0 0 – POWER
→
MAIN
5 A.GND GND 0 0 0 0 0 0 – –
6 A.GND GND 0 0 0 0 0 0 – –
7 NC No-connection terminal – – – – – – – –
8 NC No-connection terminal – – – – – – – –
1 GND GND 0 0 0 0 0 0 – –
2 HDSTP Video mute control for chroma signals 0 0V when the 0V when the 0V when the 0V when the 0 – –
DS connector DS connector DS connector DS connector
is connected;
is connected; is connected; is connected;
High-Z when High-Z when High-Z when High-Z when
it is not conn- it is not conn- it is not conn- it is not conn-
ected
ected ected ected
(Video mute) (Video mute) (Video mute) (Video mute)
3 GND GND 0 0 0 0 0 0 – –
1 AU_L Audio signal L CH 0 Selected input Selected input 0 0 0 – MAIN
→
AUDIO
signals are out- signals are out-
put. put.
2 GND GND 0 0 0 0 0 0 – –
3 AU_R Audio signal R CH 0 Selected input Selected input 0 0 0 – MAIN
→
AUDIO
signals are out- signals are out-
put. put.
4 GND GND 0 0 0 0 0 0 – –
5 MUTE Mute signal of audio output 3.5 3.5
→
0 3.5
→
0 3.5 3.5
→
0 3.5 3.5
→
0 MAIN
→
AUDIO
6 SCL7 Clock line of the I2C bus 0 Clock signal Clock signal 0 0 0 – MAIN
→
AUDIO
(5Vac) when (5Vac) when
data are rec- data are rec-
eived; 5Vdc eived; 5Vdc
when no data when no data
are received. are received.
7 SDA7 Data line of the I2C bus 0 Clock signal Clock signal 0 1 0 – MAIN
→
AUDI
(5Vac) when (5Vac) when
data are rec- data are rec-
eived; 5Vdc eived; 5Vdc
when no data when no data
are received. are received.
1 M+7V 7V power supply for microcomputer 6.8 6.8 6.8 6.8 6.8 6.8 – MAIN
→
RS232C
2 TXD RS232 driver output 5 5 5 5 5 5 – MAIN
→
RS232C
3 GND GND 0 0 0 0 0 0 – –
4 RXD RS232 receiver input 0 Clock signal Clock signal Clock signal 0 0 – RS232C
→
MAIN
(5Vac) when (5Vac) when (5Vac) when
data are rec- data are rec- data are rec-
eived; 5Vdc eived; 5Vdc eived; 5Vdc
when no data when no data when no data
are received. are received. are received.
5 M+5V 5V power supply for microcomputer 0 5 5 5 5 0 – MAIN
→
RS232C
6 GND GND 0 0 0 0 0 0 – –
7 REMIN2/RXD1 Data signal of wired remote control 0 Clock signal Clock signal Clock signal 0 0 – RS232C
→
MAIN
(5Vac) when (5Vac) when (5Vac) when
data are rec- data are rec- data are rec-
eived; 5Vdc eived; 5Vdc eived; 5Vdc
when no data when no data when no data
are received. are received. are received.
CONNECTOR PIN EXPLANATION
vv
vvv
vvv
vv
v
vv