Document: After-sales Maintenance Service Manual No.: L32R63*VKE/L40R63*VKE/L43R63*VKE/L49R63*VKE Version: 1.0 Effective from: APRIL 4th, 2016
Page 34 of 49
XIV. Circuit Diagram (43", 3in1 board)
屏电压
MO
S
管控制
IR&KEY
三极管控制
GPIO
12V_NORMAL
RESET
HDMI1
TUNER PWR
AS1117
USB
Y/Pb/Pr
AV-IN
VGA
HDMI2
VDDC PWR
HDMI2
HDMI1 (MHL)
HDMI3
AC INPUT
RE/C
E
滤波电路
整流
DC/D
C
转换
输出滤波电路
PWM
控制
BOOS
T
转换电路
TUNER_3.3V
RF
IF
COAXIAL
DDR PWR 1.5V
AV-OUT
Y/Pb/Pr
3.3V_Standby
12V_NORMAL
COAXIAL
VGA
USB
AV-IN
SPK-R
VEDIO-OUT
Audio AMP
SPK-L
TUNER CONN
5V_STANDBY
12V OUTPUT
40P LVDS
DDR PWR
12V
1.15V
5V_NORMAL
SPI FLASH
IR&KEY
12V_NORMAL
3.3V_STANDBY
AS1117
64Mbit
MSD3463
DC-DC
DC-DC
SI2151
TPA3020
SILICON TUNER
TUNER_3.3V
PWR_ON/OFF
驱动
LE
D
背光
(ARC)
AV2012
DVB-S/S2 TUNER
可
选
L32R63_VKE,L40R63_VKE,L43R63_VKE,L49R63_VKE_CIS_Russia.indd 34
2016-04-05 오전 11:01:06