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Alignment instructions
2 Adjustment equipment
Digital multimeter
Signal generator (54200)
PC (presetting FLASH software)
VG848, VG849 (VGA, YPbPr and HDMI signal generator)
DVD player with HDMI output
White balance apparatus (CA210)
Monitor
3 Adjustment flow
3.1 Test voltage of power supply
3.1.1 Main board of non BBY model of which dimension is 26" or bigger than 26"
According to wiring diagram '9242KC4201JL', 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 1.
X302
Pin1
3.3 V～
1.0 V～
Vol.
5.0 V
b）Test voltage of socket X301 each pin in turn, please refer to voltage value as Table 2.
X301
Vol.
3.1.2 Main board of non BBY model of which dimension is smaller than 26"
According to wiring diagram '9222KC4201JL', 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 3.
X302
Pin1
3.3 V～5.0
1.0 V～3.3
Vol.
V
3.1.3 Main board of BBY model of which dimension is 19" and 22".
According to wiring diagram '9219KC7201JL', 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 4.
X302
Pin1
3.3 V～5.0
0 V～1.5
Vol.
V
Table 1 Voltage of X302 each pin
2
3
4、5
11.5 V～
0
3.3 V
12.5V
Table 2 Voltage of X301 each pin
Table 3 Voltage of X302 each pin
2
3
4、5
11.5 V～
0
V
12.5V
Table 4 Voltage of X302 each pin
2
3
4、5
11.5 V～
0
V
12.5V
6、 7
8
9
31 V～
4.7 V～
0
33 V
5.3 V
Pin1、2
23 V～25 V
8
9
6、 7
31 V～
4.7 V～5.3
0
33 V
V
6、 7
8
9
4.7 V～5.3
0
0
V
10
11
12
4.7 V～
0
0
5.3 V
3、4、5
0
10
11
12
4.7 V～
3.3 V～5.0
0
0
5.3 V
10
11
12
4.7 V～
3.3 V～5.0
0
0
5.3 V
13
3.3 V～
5.0 V
13
V
13
V
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