LG 42LV5500 - JK1001 Main Wireless Media Box Dongle Jack (Voltage and Diode Check)

JK1001 Main Wireless Media Box Dongle Jack (Voltage and Diode Check)
Pin
Label
STBY
Run
Diode Check
JK1001 "MAIN Board" To "Wireless Media Box Dongle"
Wireless Media Box Dongle
Pin
Label
STBY
Run
Diode
Check
1-6 *24V 0V 24.5V 0.98V
7 Detect 0V 0.3V 0.98V
8 Interrupt 0V 3.3V 1.2V
JK1001
Jk
Wireless
Media
Box
Dongle
must be plugged in for
these voltages.
9Gnd 0V Gnd Gnd
10 n/c 0V 3.3V 1.1V
11 Gnd 0V Gnd Gnd
12 I2C
_
SCL 0V 3.3V 1.02V
J
ac
k
_
13 I2C_SDA 0V 3.3V 1.02V
14 Gnd 0V Gnd Gnd
15 Wireless_RX 0V 3.3V 1.17V
16
Wi l TX
0V
33V
1 22V
Diode Mode values taken
with all Connectors
Removed
16
Wi
re
l
ess_
TX
0V
3
.
3V
1
.
22V
17 Gnd 0V Gnd Gnd
18 IR 0.67V 3.3V 1.37V
19-20 Gnd 0V Gnd Gnd
1
Voltages with Wireless Media Box Dongle plugged in. Use Media Box Dongle side to read voltages.
Remove cover, (see Wireless Media Box training manual for details).
*24.5V Switched from Q1002 Drain front side of the board.
Q1002
turned on by
Q1001
front side of the board
May 2011 LCD TV 42LV5500
71
Q1002
turned
on
by
Q1001
front
side
of
the
board
.
Q1001 turned on by Microprocessor pin 38.