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Hitachi P42H401 Troubleshooting Manual page 7

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DW-3 NO PICTURE (55" Pin Configuration) Page 7 of 10
CN64 to X-SUS CN23
Pin
Label
1
Va
2
N.C.
3
Vcc
4
GND
5
GND
6
GND
7
N.C.
8
Vs
9
Vs
10
Vs
CN68 to LOGIC CN6
Pin
Label
1
Vcc
2
GND
3
N.C.
4
GND
5
Vra
6
Vrs
7
Vcego
8
Vsago
9
N.C.
*Pin 3 CN63 Pin 1 CN68 are all tied together
Symbols in the Ohm Column:
∞ Infinity/open,
↑ After charging/discharging,
↑↑ After charging/discharging slowly
SBY
RUN
Ohm
0V
65.1V
13.6K↑
n/a
n/a
0V
5.1V
0.7K↑↑
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
0V
88.1V
0.8M↑
0V
88.1V
0.8M↑
0V
88.1V
0.8M↑
SBY
RUN
Ohm
0V
5.1V
0.7K↑↑
n/a
n/a
n/a
3.3V
3.3V
2.6K↑↑
n/a
n/a
n/a
n/a
1.7V
5.5K
n/a
2.2V
5.5K
0V
2.7V
6.3K
0V
2.7V
6.3K
n/a
n/a
15.3K
CN63 to Digi-Main PPM1
Out/
Pin
Label
In
1
STBY+5.0V
—>
2
GND
n/a
3
N.C.
—>
4
*PoWERoFF
n/a
5
ACCLoCK
n/a
6
PoWER1
n/a
7
PoWER2
n/a
8
N.C.
—>
—>
*CN63: Pin 4 at power off, momentary 3V pulse
—>
CNPPS to Digi-Main PPM2
Out/
Pin
Label
In
—>
1
+5.6V
n/a
2
+5.6V
n/a
3
+5.6V
n/a
4
GND
<—
5
GND
<—
6
GND
<—
7
+10.5V
<—
8
GND
n/a
9
+16V
10
GND
11
GND
12
GND
13
+15V
14
+15V
15
+15V
*Pins 13, 14 and 15 are all tied together
SBY
RUN
Ohm
5.2V
5.2V
1.9K↑
n/a
n/a
n/a
3.3V
3.3V
2.6K↑↑
0V
0V
2.8K
3.3V
3.8V
11.1K
0V
4.8V
9.6K↑
0V
3.1V
10.5K
n/a
3.3V
9.1K
SBY
RUN
Ohm
0V
5.6V
1.3K↑
0V
5.6V
1.3K↑
0V
5.6V
1.3K↑
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
0V
10V
2.7K↑
n/a
n/a
n/a
0V
16V
12.3K↑
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
0V
10.6V
3.2K↑
0V
10.6V
3.2K↑
0V
10.6V
3.2K↑
Page 7 of 10
Out/
In
—>
n/a
n/a
—>
—>
<—
<—
n/a
Out/
In
—>
—>
—>
n/a
n/a
n/a
—>
n/a
—>
n/a
n/a
n/a
—>
—>
—>

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