Service manual
17
MAIN Unit (Lot. 1~2)
Circuit Diagram
2.76V
(2.80V)
3.91V
(3.91V)
2.17V
(2.28V)
3.33V
(3.38V)
0.78V
(0.24V)
0.0V
(0.0V)
4.19V
(0.0V)
4.21V
(4.26V)
0.0V
(4.21V)
0.0V
(4.21V)
0.0V
(0.0V)
5.0V
(0.0V)
4.9V
(4.94V)
4.21V
(4.26V)
5.07V
(5.11V)
5.0V
(5.0V)
2.7V
(4.32V)
3.47V
(0.0V)
5.08V
(0.0V)
5.0V
(3.75V)
0.0V
(4.95V)
0.0V
(0.71V)
0.0V
(5.0V)
0.0V
(0.0V)
SQL Open:0.73V
SQL Close:0.74V
SQL Open:2.78V
SQL Close:2.78V
SQL Open:0.0V
SQL Close:0.0V
0.0V <2.07V> {0.75V}
7.52V
5.0V
(5.0V)
LED On:4.27V
LED Off:4.63V
LED On:2.77V
LED Off:0.0V
SQL Open:1.97V
SQL Close:1.97V
SQL Open:0.73V
SQL Close:0.73V
SQL Open:0.0V
SQL Close:0.0V
<5.04V>
{5.04V}
<2.7V>
{1.35V}
<2.07V>
{0.74V}
<7.18V>
{7.37V}
<7.22V>
{7.36V}
<7.2V>
{7.34V}
<6.6V>
{6.77V}
<6.6V>
{6.77V}
<2.61V>{1.34V}
<2.04V>
{0.72V}
Wide:3.15V
Narrow:1.9V
Wide:3.71V
Narrow:0.0V
Wide:4.97V Narrow:1.22V
Wide:4.97V
Narrow:1.19V
Wide:3.71V
Narrow:0.0V
Wide:3.13V
Narrow:1.87V
Wide:0.0V
Narrow:0.0V
Wide:4.98V
Narrow:0.0V
1.27V
1.24V
1.24V
1.27V
5.0V
5.0V
1.25V
2.48V
2.94V2.49V
2.44V
5.0V
5.0V
1.56V
1.57V
1.56V
1.59V
0.0V
1.57V
1.55V
1.02V
SQL Open:0.59V SQL Close:0.9V
SQL Open:3.43V
SQL Close:0.04V
5.0V
(4.86V)
5.0V
(4.22V)
0.0V
(4.84V)
SQL Open:7.5V
SQL Close:0.21V
SQL Open:7.5V
SQL Close:7.5V
SQL Open:6.83V
SQL Close:
7.5V
SQL Open:0.26V SQL Close:7.5V
0.0V
SQL Open:5.0V
SQL Close:5.0V
SQL Open:
0.6V
SQL Close:
5.0V
SQL Open:5.0V
SQL Close:0.0V
SQL Open:0.7V
SQL Close:0.0V
4.99V
2.92V
4.92V
4.99V
(7.35V)
5.0V
(5.0V)
7.5V
(7.38V)
5.06V
(5.09V)
4.43V
(4.46V)
5.0V
(5.0V)
6.96V
(6.75V)
5.0V
(5.0V)
5.0V (0.0V)
0.0V
(5.0V)
5.0V
(0.0V)
0.0V
(5.0V)
5.0V
(4.42V)
5.0V
(5.0V)
7.5V
(7.31V)
7.5V
(6.64V)
7.5V <7.33V> {7.43V}
0.0V <5.07V>
{5.06V}
2.1V
7.5V
(7.27V)
4.73V
(4.2V)
5.0V
(4.95V)
3.23V
(3.23V)
0.0V
5.0V
5.0V
4.97V
(5.0V)
0.0V
(0.0V)
5.0V
(5.0V)
(2.31V)
(2.31V)
(2.31V)
(2.27V)
(2.31V)
(2.27V)
(2.24V)
(2.29V)
(2.30V)
(5.0V)
(2.29V)
(2.26V)
(0.0V)
0.0V
(2.27V)
4.99V
(4.99V)
4.84V
(4.84V)
0.0V
(0.0V)
0.0V
(1.68V)
RX : XX
TX : XX
TX HIGH : <XX>
TX LOW : {XX}
Q1005
SQL Close SQL Open TX High
1-- -- --
2-- -- --
3 5.00V 5.00V 5.0V
4 4.77V 4.77V 4.78V
5 2.53V 2.53V 2.11V
6 0.0V 0.0V 0.0V
7 4.77V 4.77V 4.77V
8 2.41V 2.41V 4.42V
9-- -- --
10 -- -- --
11 -- -- --
Q1037
SQL Open
1 4.98V 9 1.11V
2 4.72V 10 5.00V
3 3.81V 11 4.14V
4 5.02V 12 0.55V
5 4.64V 13 0.34V
6 4.64V 14 1.67V
7 0.81V 15 0.00V
8 0.66V 16 0.97V