LG 50PG20 Series, Training Manual

Page: 97 / 127

Plasma Spring 2009 50PG20
97
Control Connector P111 Slide 3 of 3 Voltage Readings Control Connector P111 Slide 3 of 3 Voltage Readings
Diode Mode Readings with the PCB Disconnected. P111 CONNECTOR “Control PWB" to P102 “Y-SUS PWB"
Pin Label STBY Run
Diode
Mode
1
Not Used
Pin 10 Below is actually Pin 1 of
P111
Pins are very close together read
voltages safely.
2
3
4
5
6
7
8
9
10
11 Gnd Gnd Gnd Gnd
12 Z-BIAS 0V 1.71V OL
13 Gnd Gnd Gnd Gnd
14 Z-ENABLE 0V 0V OL
15 Gnd Gnd Gnd Gnd
16 n/c n/c n/c OL
17 5V OV 4.75V 1.11V
18 5V OV 4.75V 1.11V
19 5V OV 4.75V 1.11V
20 5V OV 4.75V 1.11V
Pin Label STBY Run
Diode
Mode
21 5V OV 4.75V 1.17V
22 n/c n/c n/c OL
23 Y-Enable 0V 0.6V 1.37V
24 Gnd Gnd Gnd Gnd
25 X_ER 0V 2.9V 1.36V
26 Gnd Gnd Gnd Gnd
27 Set_DN_2 0V 1.4V 1.37V
28 Gnd Gnd Gnd Gnd
29 SET_UP 0V 1.9V 1.37V
30 Gnd Gnd Gnd Gnd
31 SLOPE_RETE 0V 0V 1.37V
32 Gnd Gnd Gnd Gnd
33 DET_LEVEL 0V 0V 1.37V
34 Gnd Gnd Gnd Gnd
35 DELTA_Vy 0V 0.16V 1.37V
36 Gnd Gnd Gnd Gnd
37 PASS_TOP 0V 0.2V 1.37V
38 Gnd Gnd Gnd Gnd
39 Set_DN2 0V 0.2V 1.37V
40 Gnd Gnd Gnd Gnd
Pin Label STBY Run
Diode
Mode
41 SET_UP 0V 0.26V 1.37V
42 Gnd Gnd Gnd Gnd
43 ER_UP 0V 2V 1.37V
44 Gnd Gnd Gnd Gnd
45 ER_DN 0V 1.2V 1.37V
46 Gnd Gnd Gnd Gnd
47 SUS_UP 0V 2V 1.37V
48 Gnd Gnd Gnd Gnd
49 SUS_DN 0V 0V 1.37V
50 Gnd Gnd Gnd Gnd
51 DATA 0V 0.6V 1.37V
52 Gnd Gnd Gnd Gnd
53 OSC2 0V 3V 1.37V
54 Gnd Gnd Gnd Gnd
55 OSC1 0V 0V 1.37V
56 Gnd Gnd Gnd Gnd
57 STB 0V 0.76V 1.37V
58 Gnd Gnd Gnd Gnd
59 CLK 0V 3.2V 1.37V
60 Gnd Gnd Gnd Gnd