LG 55LD520 / 55LD520C (CHASSIS:LA01B) Service Manual ▷ View online
POWER Block (+24V & 12V)
POWER Block (+24V & 12V)
P403
(#17,19,21)
+12V
+5V_USB
+3.3V_Normal
IC401
MP8706EN
(DCDC)3A
IC405
AOZ1073AIL
(DCDC)3A
IC409
AOZ1072AIL
(DCDC)2A
Q409
AO3407A
(FET)
L402
+12V/+15V
+5V_Normal
IC408
NCP803SN293
Power_DET
PANEL_VCC
P403 or P402
(#2,4,3), (#1,2)
IC501
NTP-7000
+24V
Power_DET
+24V
L407
P703
IC1450
AP2191SG-13
(OPC)
P1450
USB JACK
IC408
NCP803SN293
(RESET IC)
IC409
NCP803SN293
(RESET IC)
POWER Block (+3.3V_Normal)
POWER Block (+3.3V_Normal)
IC103
CAT24WC08W
HDCP EEPROM
IC405
AOZ1073AIL
(DCDC)3A
IC1401
MX25L3205DM2I
Serial Flash
IC1104
NL17SZ00DFT2G
SPDIF
IC104
AT24C512BW
EEPROM
+3.3V_Nor
mal
+3.3V_Normal
L424
IC102
NAND01GW3A2CN6E
Flash
IC501
NTP7000
AMP
IC404
AZ1117H-1.8TRE1
LDO
+1.8V_AMP
IC600
NTP-3100L
IC402
AZ2940D-2.5TRE1
LDO
+2.5V_Normal
L5003
+3.3V_TU
IC100
Main SOC
S7(LGE101D)
& S7 T(LGE105)
TU6600
TDVJ-H001F
Tuner
POWER Block (+5V_Normal)
POWER Block (+5V_Normal)
IC801~804
AT24C02BN
EDID EEPROM
+5V_Norm
al
+5V_Normal
L422
IC1105
AT24C02BN
EDID EEPROM
IC409
AOZ1073AIL
(DCDC)3A
For HDMI
For RGB PC
L5002
+5V_TU
TU6600
TDVJ-H001F
Tuner
POWER Block (+5V_Normal)
POWER Block (+5V_Normal)
IC801~804
AT24C02BN
EDID EEPROM
+5V_Norm
al
+5V_Normal
L422
IC1105
AT24C02BN
EDID EEPROM
IC409
AOZ1073AIL
(DCDC)3A
For HDMI
For RGB PC
L5002
+5V_TU
TU6600
TDVJ-H001F
Tuner