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Hitachi P42H401 Troubleshooting Manual page 6

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DW-3 NO PICTURE (50" Pin Configuration) Page 6 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*
Vpr2
4
GND
5*
N.C.
6*
N.C.
7
Vcego
8
Vsago
9*
PFCgo
*For 50" V/S/X Models CN68:
Pin 3 is labeled N.C., Pin 5 is labeled Vra
Pin 6 is labeled Vrs, Pin 9 is labeled N.C.
Symbols in the Ohm Column:
∞ Infinity/open,
↑ After charging/discharging,
↑↑ After charging/discharging slowly
*For 50" V/S/X Models CNPPS: Pin 7 is labeled 10.5V and Pin 13, 14 and 15 are labeled 15V
SBY
RUN
Ohm
0V
65.7V
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
88V
0.8M↑
0V
88V
0.8M↑
0V
88V
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
n/a
5.5K
n/a
n/a
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
—>
n/a
2
GND
3*
STBY+3.3V
—>
4
*PoWERoFF
n/a
5
ACCLoCK
n/a
6
PoWER1
n/a
7
PoWER2
n/a
8
N.C.
—>
*For 50" V/S/X Models CN63: Pin 3 is labeled N.C.
—>
*CN63: Pin 4 at power off, momentary 3V pulse
—>
CNPPS to Digi-Main PPM2
Pin
Label
Out/
1
+5.6V
In
2
+5.6V
—>
3
+5.6V
n/a
4
GND
—>
5
GND
n/a
6
GND
n/a
7*
+10V
n/a
8
GND
<—
9
+16V
<—
10
GND
n/a
11
GND
12
GND
13*
+12V
14*
+12V
+12V
15*
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 6 of 10
Out/
In
—>
n/a
—>
—>
—>
<—
<—
n/a
Out/
In
—>
—>
—>
n/a
n/a
n/a
—>
n/a
—>
n/a
n/a
n/a
—>
—>
—>

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