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3.1.4 Main board of BBY model of which dimension is 24".
According to wiring diagram '9224KC7001JL', connect main board, power board, IR board and
key board correctly, switch on power supply, then press key 'power' to turn on the TV set.
a）Test voltage of socket X301 each pin in turn, please refer to voltage value as Table 5.
X301
Pin1
3.3 V～5.0
1.0 V～3.3
Vol.
V
3.1.5 Main board of BBY model of which dimension is 32" and 37".
According to wiring diagram '9232KC7001JL', connect main board, power board, IR board and
key board correctly, switch on power supply, then press key 'power' to turn on the TV set.
a）Test voltage of socket X302 each pin in turn, please refer to voltage value as Table 6.
X302
Pin1
3.3 V～5.0
1.0 V～3.3
Vol.
V
b）Test voltage of socket X301 each pin in turn, please refer to voltage value as Table 7.
X301
Vol.
3.1.6 LE-24KC68 main board
According to wiring diagram "9224KC6801JL", connect main board, power board, IR board and key
board correctly, supply with the main power, then press key "power" to turn on the TV set.
a）Test voltage of each pin of socket X302, voltage values are listed as Table 3:
X302
Pin1
3.3 V～
1.0V～
Vol.
5.0 V
3.3 V
Table 5 Voltage of X301 each pin
2
3
4、5
11.5 V～
0
V
12.5V
Table 6 Voltage of X302 each pin
2
3
4、5
11.5 V～
0
V
12.5V
Table 7 Voltage of X301 each pin
Table 3 X302 voltage values
2
3
4
4.7V～
4.7V～
5.3 V
5.3 V
6、 7
8
9
4.7 V～5.3
0
0
V
6、 7
8
9
4.7 V～5.3
0
0
V
Pin1、2
23 V～25 V
5
6、7
4.7V～
0
5.3 V
10
11
12
4.7 V～
0
0
5.3 V
10
11
12
4.7 V～
0
0
5.3 V
3、4、5
0
8
9
10、 11
11.5V～
0
0
12.5V
13
3.3 V～5.0
V
13
3.3 V～5.0
V
12、13
11.5V～
12.5V
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