Download Print this page

LG 50PX950-AA Service Manual page 34

Advertisement

Block Diagram – PSU
+5V_ST
IC500
L505
(3.3V Reg)
4.98V
SPEC : 2A
56mV
※ INSTANT BOOT
IC501
(DCDC)
P
Max 3A
O
w
L500
E
R
Q501
P_5V
L516
SPEC : 5A↓
예상:4.5A
5.01V
Max 4.4A
56mV
B
O
A
R
D
16.91V
44mV
P_17V
SPEC : 2A↓
L511
+3.3V_NEC_ST
3.25V
L503
+3.3V_ST
52mV
INSTANT_BOOT
1.83V
D1.8V
L1304
1100mA
56mV
IC502
(DCDC)
Max 4A
5.08V
+5V_USB
56mV
L510
+5V_MULTI
3.24V
IC505
v
58mV
(3.3V Reg)
5.04V
Max 3A
5.03V
48mV
+5V_TU
L512
TUNER
IC503
(2.5V)
RGB
EEPROM
IC903
(SYNC)
IC504
+5V_TU
L520
(DCDC)
IC701
AUDIO AMP
P17V_WIRELESS
L1200
WIRELESS
16.91V
IC700
L704
(ST AMP)
1440mA (Volume max 기준)
52mV
80mV
1.79V
L800
+3.3V_MULTI
34mV
L703
+3.3V_USB_HUB
L519
IC1100
(USB HUB)
L1201
3.24V
L515
3.24V
L518
+3.3V_HDMI
L801
3.23V
+3.3V_TU
L602
3.23V
EEPROM(NEC)
NEC Micom
P906(SUB B/D)
D1.8V
IC800
+1.8V_HDMI
(HDMI Switch)
D1.8V
A1.2V
1.18V
1.21V
D1.2V
IC102(Flash)
IC700(AMP)
IC100(EEPROM)
ETHERNET
2.49V
A2.5V
L509
D3.3V
A3.3V
IC800
(HDMI
Switch)
+3.3V_TU
1.2V_TU
IC600
(1.2V Reg)
OPTION
MAX3232
BUZZER
BCM
DDR2x4
1G 8Bit
IC100
BCM
TUNER

Advertisement

loading

This manual is also suitable for:

50px950