Document: After-sales Maintenance Service Manual No.: L32R63*VKE/L40R63*VKE/L43R63*VKE/L49R63*VKE Version: 1.0 Effective from: APRIL 4th, 2016
Page 27 of 49
XIII. Circuit Diagram (32"/40", 3in1 board)
MO
S
管控制
屏电压
IR&KEY
GPIO
三极管控制
RESET
12V_NORMAL
HDMI1
AS1117
TUNER PWR
USB
AV-IN
Y/Pb/Pr
VGA
VDDC PWR
HDMI1 (MHL)
HDMI2
TUNER_3.3V
IF
RF
Y/Pb/Pr
AUDIO-OUT
DDR PWR 1.5V
12V_NORMAL
3.3V_Standby
SPK-R
BS
U
NI
-V
A
VGA
Audio AMP
AUDIO-OUT
5V_STANDBY
TUNER CONN
SPK-L
DDR PWR
40P LVDS
12V to 5V
1.15V
3.3V_STANDBY
12V
IR&KEY
SPI FLASH
DC-DC
MSD3463
64Mbit
AS1117
TPA3020D2
SI2151
DC-DC
TUNER_3.3V
SILICON TUNER
PWR_ON/OFF
(ARC)
DC-DC
BL-ADJUST
HDMI2
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
单通道输出
900m
A
12V OUTPUT
12V
L32R63_VKE,L40R63_VKE,L43R63_VKE,L49R63_VKE_CIS_Russia.indd 27
2016-04-05 오전 11:01:03