Power Tree - LG 42LV4400 Service Manual

Power Tree

MAX ???A
RMS ???A +5VSB
F1
5A/125V
1216-004-15S-1EF
P5
6
11 1
7
12 2
8
13 3
PIN 1、2、3 9
14 4
10
15 5
PIN 8、9、10
+12V
F2
125V/5A
MAX ???A
CONFIDENTIAL – DO NOT COPY
L22 U4 +3V3SB
0 0805R
3 2 L79 0805L
IN OUT
4 0
TAB
Q29 AP2309GN
AP1117EL-13 2
SOT23_GSD
L26 U6
0 0805R G5626P11U L48 VCCK
1 8 L42 4.7uH_3.8A 0 0805R
VCC VIN
2 7
REF LX
3 6
GND PGND
+
4 5 CE15
FB EN
220uF/16V/LESR
OPWRSB CONTROL
High = >VCCK POW ER ON
Low = > VCCK POW ER OFF
L25 U9
0 0805R G5626P11U DV33 AV33
1 8 L43 4.7uH_3.8A
VCC VIN
2 7 FB14
REF LX
3 6 60ohm/3A
GND PGND
+
4 5 CE16 0603L
FB EN
220uF/16V/LESR
VCCK CONTROL
High = >DV33 POW ER ON
Low = > DV33 POW ER OFF
F3 0.75A 6V
1206F 5 P1
L2 0 1 P1
VCC
2
DATA-
0805R
3
DATA+
4
GND
6
P2
USB-A
BAT54C-7-F
VGA_PLUGPWR
R763 0 2
3
1
D11
link to J12(KEYPAD)、J14(IR)
U18
MX25L6445E
U17
SN74LVC1G08
L77
0 0805R
R218 10
U10 MC7805CDTG
+5V_TUNER
L46 +5V_T
IGO
0 0805R L12
1 3 0805R 0
IN OUT
TO220
GND
LVDS_VDD P12V
U21 L57 80ohm/4A
1 8
S1 D1
2 7 1206L
G1 D1
3 6
S2 D2
4 5
G2 D2
P-CH
AP4953GM
LVDS_POWER_ON
High = >LVDS_VDD POW ER ON
Low = > LVDS_VDD POW ER OFF
+12V_AP +12V_OP
L54 0805L L78 0805L R852
100
80ohm/6A 0
U50
NJM4558M
U51
TPA3110D2
R805 0
R804 0
AVDD33_USB
AV_3V3 AVDD33_CVBS
AVDD33_DIG
AVDD33_VDAC
3 FB17
AVDD33_LVDS
60ohm/3A R821 0 AVDD33_HDMI
0603L FB15 3.3nH AVDD33_DEMOD1
DV33 CONTROL High = > AV_3V3 ON 0603L
AVDD33_AADC
Low = > AV_3V3 OFF R823 0
AVDD33_DAC
FB13 150
0805L
AV_3V3
FB16 NC/60ohm/3A
0603L
U8 AV125
L27 0 3 2 L80 0805L
IN OUT
0805R
4 80ohm/6A
TAB
AP1117EL-13
AV-33
U49
L50 0
DRV602PWR
0805R
U14
AT24C16BN
P11
P1
P1
3
VIN
2
VCC
1
GND
P2
P2
DDRV
JST1223
DDRV
U52 G1084_ADJ R788
L18 4 L81 0805L 1K_F
ADJ
0 0805R
RVREF1
3 2 80ohm/6A
IN OUT
TO263
R791
1K_F
ADJ
T CON POWER
DV33_TMDS
U24
PI3HDMI2410-A
U25
TUNER
DTVA50CVH1019A
U34
TUNER
TDVW-H814F(LG)
TU9
3V3TC
1V8TC
R594
LVDS_3V3
16VTC
NC/4K7
TPS65168 VGH
C69 ZD6
NC/1.0uF/25V NC/KDZ3.3VY
0805C VGL
H_VDD
AUD_Vref
R853
link to U50(PIN3、PIN5)
47K_F
R851
NC/1.0uF/25V
0805C
47K_F
AVDD33_VGA_STB
AVDD33_XTAL_STB
AVDD12_HDMI
R822 1_F
R815 0 AVDD12_APLL
AVDD12_VPLL
R820 0
U47
DDRV
R789
U48 1K_F NT5TU32M16CG
RVREF2
R792
NT5TU32M16CG 1K_F
TU2
TCN1、TCN2
TL2428MC
TU8
GMA3
GMA4
GMA5
GMA7
BUF08630RGW GMA12
GMA14
GMA15
GMA16
VCOMR
TR92 0
VCOM_PG
VCOML
TR94 0
TR120 0
VGI_NTC
TR115 0
VGI_PTC
TU7
MAX17119
R371
120 LED_PWR
1206R
link to J9(power indicator)
ZD24
C95 UDZSTE-175.1B
File No. SG-0000034
REFP_AADC
VCCK
AVDD12_RGB
AVDD12_MEMPLL
U15
DDRV
R790
1K 1%
MEM_VREF3
R793
1K 1%
5387
VCC3IO
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