42LV5500 MAIN (FRONT SIDE) SIMICONDUCTORS
IC103
NVRAM
IC505
(+3.3V_NORMAL)
IC508
(+1.5V_DDR)
IC801
RGB
Q1001
Wireless Vcc
IC1203
EDID Data
Q502
PWR_ON
Pin
for USB
Pin
Regulator
Pin
Regulator
Pin
Data Buffer
Pin
Driver
Pin
PC
Pin
Switch
[1] n/c
[1] 0V (Gnd)
[1] 3.46V
[1] 1.81V
B 0.02V
[1] 0V (Gnd)
[1] 3.5V (In)
[2] 0V
[2] 11.96V (In)
[2] n/c
[2] 1.81V
C 24.5V
[2] 4.96V (Vcc In)
[2] 0.67V
[3] 3.34V
[3] 0V (Gnd)
[3] 3.46V (In)
[3] 3.72V
E Gnd
[3] 4.96V (Vcc In)
[3] 2.62V (Out)
[4] 0V
[4] 0.8V
[4] 3.49V (PWR On/Off1)
[4] 1.8V
On when wireless dongle connected
[4] 3.34V (USB Ctl2)
[5] 3.22V
[5] 0.79V
[5] 0V (Gnd)
[5] 1.8V
[5] 3.17V
Q503
0.9V FET
[6] 3.22V
[6] 3.47V (PWR On/Off2_2)
[6] 3.31V
[6] n/c (4.44V)
Q1002
Wireless Vcc
[6] 4.96V (Out)
Pin
Switch
[7] 0V (Gnd)
[7] 3.35V (Out)
[7] 0.79V
[7] 0V (Gnd)
Pin
Switch
[7] 4.96V (Out)
[1] 0.95V
[8] 3.34V
[8] 3.35V (Out)
[8] 1.5V (Out)
[8] n/c (4.43V)
S 24.5V
[8] n/c (0V)
[2] 0.95V
[9] n/c (1.79V)
G 24.5V
[3] 0.95V
IC501
+0.9V_CORE
IC506
Switched
Q901
IR Buffer
[10] n/c (1.79V)
D 0V
IC1204
EDID Data
[4] 1.36V
Pin
DC to DC
Pin
5V for USB 2
Pin
2nd
[11] 3.72V
On when wireless dongle connected
Pin
PC
[5] 11.96V
[1] 3 17V
[1] 0V (Gnd)
B 0 02V
[12] 1 81V
[1] 0V (Gnd)
[6] 11 96V
[1] 3.17V
[1] 0V (Gnd)
B 0.02V
[12] 1.81V
[1] 0V (Gnd)
[6] 11.96V
[2] 0.59V
[2] 11.98V (In)
C 3.48V
[13] 1.81V
IC803
RS232
[2] 4.96V (Vcc In)
[7] 11.96V
[3] 0.44V
[3] 0V (Gnd)
E Gnd
[14] 5V (Vcc In)
Pin
Routing
[3] 4.96V (Vcc In)
[8] 11.96V
[4] 11.95V
[4] 0.79V
[1] 3.5V
[4] 3.34V (USB Ctl1)
[5] 0V
[5] 3.48V
Q902
IR Buffer
IC802
EDID Data
[2] 5.64V
[5] 3.17V
Q508
0.9V FET
[6] 5.33V
[6] 3.48V (PWR On/Off2_1)
Pin
1st
Pin
PC
[3] 0V
[6] 4.96V (Out)
Pin
Switch
[7] 4.6V
[7] 4.96V (Out)
B 0.57V
[1] 0V (Gnd)
[4] 0V
[7] 4.96V (Out)
[1] 0V (Gnd)
[8] 5.81V
[8] 4.96V (Out)
C 0.02V
[2] 0V (Gnd)
[5] (-5.56V)
[8] n/c (0V)
[2] 0V (Gnd)
[9] 0.95V
E Gnd
[3] 0V (Gnd)
[6] (-5.59V)
[3] 0V (Gnd)
[10] 1.36V
IC507
(+5V_NORMAL)
[4] 0V (Gnd)
[7] n/c (5.64V)
IC2103
(+1.26V_TU)
[4] 4.6V
Pin
Regulator
[5] 4.73V
[8] n/c (0V)
Pin
Regulator
[5] 0.95V
IC504
+2.5V BCM
[1] 0V (Gnd)
[6] 4.73V
[9] n/c (3.49V)
[1] 0V (Gnd)
[6] 0.95V
Pin
Regulator
[2] 11.98V (In)
[7] 4.73V
[10] n/c (0V)
[2] 1.27V (Out)
[7] 0.95V
[1] n/c
[3] 0V (Gnd)
[8] 4.73V (Vcc In)
[11] n/c (3.34V)
[3] 3.33V (In)
[8] 0.95V
[2] 4.92V (En)
[4] 0.79V
[12] 3.48V
[3] 3.47V (In)
[5] 3.48V
[13] 0V
Q501
RL_ON (PWR_On)
[4] 3.49V (Ctl)
[6] 3.48V (PWR On/Off2_1)
[14] (-5.59V)
Pin
1st Driver
[5] n/c
[7] 4.96V (Out)
[15] 0V (Gnd)
B 0.64V
[6] 2.57V (Out)
[8] 4.96V (Out)
[16] 3.5V (Vcc In)
C 0V
[7] 0.6V
E Gnd
[8] 0V (Gnd)
42LV5500 MAIN (BACK SIDE) SIMICONDUCTORS
IC502
Power Det Gen
Q101
RGB_DDC_SDA
Q506
PANEL_VCC
Q904
IR Wireless Pass
D707
5V Pull-Up to
D713
Bias for Q710
Pin
(For +12V)
Pin
FET Buffer
Pin
Control 2nd Driver
Pin
2nd Driver
Pin
DDC_SCL/SDA_1
Pin
HDMI CEC
[1] 0V (Gnd)
[B] 0V (Gnd)
B 0.67V
B 0.02V
A1 4.96V
A1 0V
[2] 3.8V (In)
[G] 3.3V
C 0V
C 3.48V
C 5V
C 3.45V
[3] 3.73V (Out)
[S] 4.74V
E Gnd
E Gnd
A2 0V
A2 3.5V
[D] 3.34V
IC503
Power Det Gen
Q507
PANEL_VCC
Q906
IR Wireless Pass
D708
5V Pull-Up to
D810
5V Routing to
Pin
(For +24V)
Q102
RGB_DDC_SCL
Pin
Switch
Pin
1st Driver
Pin
DDC_SCL/SDA_3
Pin IC802 RGB EDID
[1] 0V (Gnd)
Pin
FET Buffer
S 11.97V (In)
B 0.57V
A1 4.96V
A1 4.73V
[2] 3.7V (In)
[B] 0V (Gnd)
G 1.8V (Enable)
C 0V
C 5V
C 5.01V
[3] 3.73V (Out)
[G] 3.3V
D 11.94V (Out)
E Gnd
A2 0V
A2 0.07V
[S] 4 74V
[S] 4.74V
IC601
EEPROM
[D] 3.34V
Q710
CEC Remote
Q2104
Tuner SIF
D710
5V Pull-Up to
Pin
Micro
Pin
HDMI CEC
Pin
(Sound) Buffer
Pin
DDC_SCL/SDA_2
[1] 0V (Gnd)
Q504
INV_CTL (Drv_On)
[B] 3.47V
B 0.23V
A1 4.96V
[2] 0V (Gnd)
Pin
Driver
[G] 3.51V
C 0V (Gnd)
C 5V
[3] 3.49V
B 0V (INV ON) En
[S] 3.47V
E 0.93V
A2 0V
[4] 0V (Gnd)
C 3.28V (Out)
[D] 3.49V
[5] 3.49V
E Gnd
Q2106
Tuner Video
D711
5V Pull-Up to
[6] 3.49V
Q801
Earphone
Pin
(Analog) Buffer
Pin
DDC_SCL/SDA_4
[7] 0V (Gnd)
Q505
PANEL_VCC
Pin
Mute
B 3.67V
A1 4.96V
[8] 3.50V (Vcc In)
Pin
Control 1st Driver
B 0V
C 0V (Gnd)
C 5V
B 0V
C 3.35V
E 4.35V
A2 0V
C 0.68V
E Gnd
E Gnd