LG 50PK950 Training Manual page 59

Y-SUS Board
Y-SUS Board
Component Layout
Component Layout
WARNING: The upper
Y-DRIVE Board has to be
Removed Completely if
P117 to P109
P117 is pulled.
1-2) FG5V
P109 P117
03 n/c
04) CLK
05) FGnd
06) STB
07) FGnd
08) OC2
09) FGnd
10) OC2
To
11) FGnd
Release
12) Data
Press in
13) FGnd
and lift.
14) n/c
15-20) Scan
Note: These
connectors DO NOT
come with a new
board
P118 to P209
1-6) Scan
P209 P118
07) n/c
08) FGnd
09) Data
10) FGnd
11) OC2
12) FGnd
13) OC1
14) FGnd
15) STB
To
16) FGnd
Release
17) CLK
Press in
18) n/c
and lift.
19-20) FG5V
WARNING: The lower
Y-DRIVE Board has to be
Removed Completely if
P118 is pulled.
Note With No Y-Drives:
FG24V reads 24.5V
FG10V reads 11.1V
VSC
FG
-Vy
R324
R334
VR301
VSC
P117
VSCAN
Pins
15-20
125V RMS
FG
Right Leg C325
TP with no Y-Drive
FG
127.7V RMS
428V p/p
FG
Y-SUS BOARD
C325 VSCAN
FG
Pins 1-6
p/n: EBR62294101
125V
RMS
P118
FG15V
FG24V
IC303
VR302
FG
FG
FG5V
FG10V
VR401
D303
FG
FG24V
Set-Dn
FG11V
D302
FS102
6.3A / 250V
(VS)
FS103
4A / 125V
(VA)
FS101
10A / 125V
(M5V)
FS301 Protects 18V
Creation
D301, D313 and
T301.
Diode Check 1.32V
With Board
-Vy
Disconnected or
1.058V Connected
18V
FS301
D301
2A / 125V
D313
(18V)
T301
59
Pin 1 inverted
from the SMPS
P113 P117 to P109
P113
1-2) FG5V
9-10) VS
03 n/c
04) CLK
8) n/c
05) FGnd
6-7) Gnd
06) STB
4-5) VA
07) FGnd
3) Open
08) OC2
09) FGnd
1-2) M5V
10) OC2
11) FGnd
12) Data
13) FGnd
14) n/c
15-20) Scan
FS102 Vs or FS103 Va Diode Check reads Open
with Board Disconnected or Connected
FS101 M5V Diode Check reads 0.948V Board
Connected or 1.295 Disconnected
Example:
Model : PDP 50R1###
Voltage Setting: 5V/ Va:60/
Vs:203
N.A. / -190 / 150 / N.A. / 115
Max Watt : 450 W (Full White)
-Vy VSC
P101
P118 to P209
47-50) 18V
1-6) Scan
P101 07) n/c
41-45) M5V
08) FGnd
09) Data
10) FGnd
11) OC2
VR402
12) FGnd
13) OC1
Set-Up
14) FGnd
15) STB
P114
16) FGnd
1-4) VA
17) CLK
P114
18) n/c
5) n/c
19-20) FG5V
6-7) Gnd
October 2010 50PK950
RUN DIODE
5.06V 1.787V
Open Open
0.68V 1.74V
FGnd FGnd
4.25V 1.74V
FGnd FGnd
1.95V 1.74V
FGnd FGnd
2.99 1.74V
FGnd FGnd
0.06V 1.74V
FGnd FGnd
Open Open
150V Open
RUN DIODE
150V Open
Open Open
FGnd FGnd
0.06V 1.74V
FGnd FGnd
2.99V 1.74V
FGnd FGnd
1.95V 1.74V
FGnd FGnd
4.28V 1.74V
FGnd FGnd
0.68V 1.74V
Open Open
5.06V 1.787V
Plasma