LG 55EG9600 - ASSEMBLING AND PREPARING; Attaching Stand Cover (For 65 EF9500)

IC501
IC102
PIN
1)
2)
3)
4)
5)
6)
7)
STBY
0.91V
1.84V
HGnd
0.02V
388V
15.07V
HGnd
RUN
0.91V
1.88V
HGnd
0.03V
388.7V
15.08V
HGnd
PIN
1)
2)
3)
4)
STBY
0V
0V
HGnd
0V
RUN
17.67V
16.60V
HGnd
1.64V
Cold
Hot
Hot Gnd
55EG9600 Power Supply Component DC Voltages
Page 03
55EG9600 OLED (2015) Power Supply
November 2018
LG
Hot Ground: Use (-) leg of
either C620, C621 or C622.
Cold Ground: Use Chassis
IC503
PIN
1)
2)
3)
4)
STBY
3.56V
3.56V
0V
17.59V
RUN
1.34V
0.18V
15.09V
15.23V
Cold
Hot
IC506
PIN
1)
2)
3)
4)
STBY
3.56V
2.09V
HGnd
0V
RUN
1.15V
0V
HGnd
0.11V
Cold
Hot
IC502
PIN
1)
2)
3)
4)
STBY
3.09V
2.07V
HGnd
3.03V
RUN
3.05V
2.03V
HGnd
1.84V
Cold
Hot
RL101 Module
PIN
3)
4)
1)
2)
STBY
HGnd
0V
Coil
B+
RUN
HGnd
Relay 12V
B+
B+
Hot Gnd Related
3
1
2
34
Top View
4
12
Bottom View
4
3
12
DIODE CHECK CONNECTORS CONNECTED.
3.5V_ST P201: 1.13V (Blk on Gnd) 0.20V (Red on Gnd)
12VM P201: 1.02V (Blk on Gnd) 0.12V (Red on Gnd)
24VS P201: 0.77V (Blk on Gnd) 0.39V (Red on Gnd)
12VT P202: 0.47V (Blk on Gnd) 0.37V (Red on Gnd)
24VD P203: 1.0V (Blk on Gnd) 0.22V (Red on Gnd)
SMPS BOARD
p/n: EAY62992602
460V
120uF
+-
460V
120uF
460V
120uF
Both Fuses
Stby: 170.8V
Run: 394.6V
L602 L601
L604 L603
IC102
IC152
P201
P203
P202
P102
460V
120uF
+-
460V
120uF
460V
120uF
460V
120uF
+-
460V
120uF
460V
120uF
T101T102
Can’t Read
D603
Can’t Read
D604
Can’t Read
D211
D212
D213
D214
D251
D252
D253
D254
IC506
IC503
IC502
Q501
IC501
Can’t Read
F102
5A / 250V
F101
3.15A / 250V
Primary
Secondary
Chassis Gnd
IC104
D601
D602
C620C621C622
RL101
T501
T103
12V
Hot
Gnd
B+
IC152
PIN
1)
2)
3)
4)
STBY
0V
0V
HGnd
0V
RUN
9.78V
8.74V
HGnd
1.11V
Cold
Hot
IC104
PIN
1)
2)
3)
4)
STBY
0.05V
0.05V
3.56V
0V
RUN
2.96V
1.91V
3.53V
3.44V
Hot
Cold
Normal Open
Can’t Read
Remove Silicone
OPTOCOUPLERS
24VD to T-CON
12VT to T-CONTo MAINTo AC FILTER
D211~214 (Center Leg)
All (111V) {23.85V}
(**) STBY
{**} RUN
LEGEND:
D251~254 (Center Leg)
All (111V) {11.90V}
D601
Anode (169.7V) {119.407V}
Cathode (169.2V) {109.8V}
D602
Anode (169.4V) {120.2V}
Cathode (169.4V) {394.8V}
D604
Top Leg (170.5V) {107V}
Bottom Leg (169.4V) {394.8V}
D603
Top Leg (170.5V) {107V}
Bottom Leg (169.4V) {394.8V}
All Plus Legs
(170.8V)
{394.6V}
Q501
B: (0V) {14.36V}
C: (17.14V) {17.57V}
E: (0V) {15.01V}
B
C
E