Read LG 37LU25 (CHASSIS:LA85D) Service Manual online
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3. Power flow diagram
TU401
LGIT TUNER
Regulator
IC
16V_AUDIO
IC711
AS7809
+5V_TUNER
12V
Q706
SI3865BDV
+5V_GENERAL
+5V_ST
IC702
AZ1117H-
3.3V
+3.3V_MULTI
IC709
SC156515M
+3.3V_PVSB
IC708
SC4215IS
+1.2V_PVSB
IC800, IC801, IC902
EEPROM
IC803
TMDS351PA
G
IC901
COMP AUDIO
SWITCH
IC600
CAT24C02WI
IC102
AT24C512BW
IC501
NTP3000A
IC500
AZ1117H-
1.8V
+1.8V_NTP
1
2
17
5
6
19
20
9
4
8
12
16V
12V
5VST
AC_DET
VAVS_ON
M5V_ON
GND
5V_MNT
RL_ON
18
21
3
7
14
16
13
15
$0.3
$0.1
$1.36
$4.5
$0.05
$0.13
$
IC400
LGDT3304
+3.3V_DVDD
+3.3V_AVDD
+1.2V_DVDD
$2.55
$0.2
$0.05
9V
IC710
KIA78R05F
$0.3
IC802
HDMI Receiver
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