LG 42LG6000 Service Manual page 26

IC100
D o u g l a s F u l l
FLI10620H-AA
+3.3V_DOUGLAS
D24 A19
LBADC_33 UART0_RXD B19 DEBUG_RX
C900
0 . 1 u F UART0_TXD DEBUG_TX
16V E23
LBADC_GND
A20
R914 UART1_RXD CHAPLIN_RX
1K C25 B20
R915 LBADC_IN1 UART1_TXD CHAPLIN_TX
1K C24 C20 +3.3V_STBY
LBADC_IN2 UART1_RTS
1K R913 B25 C19
LBADC_IN3 UART1_CTS
B24
SCART1_ID LBADC_IN4
A25
SCART2_ID R912 LBADC_IN5
1K A24 B26
LBADC_IN6 TRST
+3.3V_CI F22 B27
LBADC_RETURN TDI
A27
TDO
+5V A28
TMS
100 R900 D21 B28
SDA2_3.3V 2WIRE_M1_SDA TCK
R901 D20 A29
100 2WIRE_M1_SCL EJ_RST_N
SCL2_3.3V B29
E20 EJ_DINT
100 R902
SCL1_5V 2WIRE_M0_SCL
100 R903 F20
SDA1_5V 2WIRE_M0_SDA
C29 USB20-OC1
USB_FLAG
100 R904 B12 C28 USB20-PWE1
D_SUB_SDA 2WIRE_S0_SDA USB_PWREN
100 R905 A12
D_SUB_SCL 2WIRE_S0_SCL
+5V +5V AJ20
USBPHY_PADP
R908 D12 AH20
MICROCHIP TECHNOLOGY DDC_SDA_4 100 2WIRE_S1_SDA USBPHY_PADM
C12
IC901 DDC_SCL_4 100 R909
2WIRE_S1_SCL
AG20
24LC512 USBPHY_VRES
R938 R940 R941 100 R906 E11 C905
47K 47K 47K SDA_HDMI_SW 2WIRE_S2_SDA 0 . 1 u F
READY 100 R907 D11 16V
A0 1 8 VCC SCL_HDMI_SW 2WIRE_S2_SCL
C21
MEMORIES C910 IRDATA
A1 WP 0 . 1 u F
2 7 16V
A13
R949 PWM3
A2 3 6 SCL 22 B13
R939 C13 PWM2 E13
VSS 0IMMRMP008A SDA R950
4.7K 4 5 22 PWM1 DFSYNC FRC_RESET
D13
0xA6 CI_EN PWM0
A21 R967 0
PPWR
DOUGLAS_EEPROM_MICROCHIP512K D23 B21 READY
RESET RESET_N PBIAS
IC901-*1 +3.3V_OTP
M24512-WMW6
R946
E0 VCC 3.3K SW900
1 8 TMUE312GAB
EAN43349001 2 1
E1 2 7 WC
C909
4 3
E2 SCL 0.1uF
3 6 5
READY
VSS SDA
4 5
DOUGLAS_EEPROM_STM512K
R918
6.8K
VBR_A
IC901-*2
AT24C512BW-SH-T C902 C903
22uF 10uF
16V 6.3V
A0 VCC
1 8
EAN43352801
A1 2 7 WP
A2 SCL
3 6
GND 4 5 SDA
DOUGLAS_EEPROM_ATMEL512K 0 VBR_B
R917
C904
C901 0 . 1 u F
10uF
6.3V 16V READY
READY
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
P1000
SMAW200-24C
24
23
C1059
4 . 7 u F
VBR_B 2012
22
4 2 , 4 7
ECO No.18
21 VBR_A
20
C1058
4 . 7 u F
19
18
17 PANEL_ERROR_DET C1023
R1010
0 0 . 1 u F
16V
16
15
14
13
L1005
12 C1022 120-ohm
C1031
0 . 1 u F
11 16V 0 . 1 u F
16V
10
L1000
9
C1004 120-ohm
C1000
0 . 1 u F 0 . 1 u F
8 16V
7
6
L1004
5
120-ohm C1029
C1021
0 . 1 u F 0 . 1 u F
4 16V 16V
3
2
L1003
1
C1020 120-ohm
0 . 1 u F
50V
EAG42050901
P_+5V_CORE
1.8V_DOUGLAS_EN
C1010
0 . 1 u F
16V
READY
D1000
KDS226
A
C
C1007 C1009
100uF 0 . 1 u F
16V
3.3V_EN
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright 2008 LG Electronics. Inc. All right reserved.
C
Downloaded From TV-Manual.com Manuals
Only for training and service purposes
+1.2V_DOUGLAS_D +1.2V_DOUGLAS
R953
0
C939 C952 C965 C973
C924
10uF 0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F
6.3V 16V 16V 16V 16V
ENGINEERING
9
8
7
R932 6
22
5
4
3
2
+3.3V_STBY
1
C906 RESET 12505WS-08A00 +3.3V_DOUGLAS +3.3V_IO_DOUGLAS
33pF P1001
50V C907
0 . 1 u F
16V JP62 L901
C925 C940 C953 C966 C974 C979 C984 C987 C991
120-ohm 10uF 0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F
6.3V 16V 16V 16V 16V 16V 16V 16V 16V
USB20-1-DP JP63
JP64
USB20-1-DM
JP65
+1.2V_DOUGLAS +1.2V_ADC_DOUGLAS
+1.2V_DOUGLAS_D R952
+1.2V_HDMI_DOUGLAS 0
C923
L902 10uF
6.3V
P_+5V +5V
C926 C941 C957 C970 C977 C982
120-ohm 10uF 0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F
6.3V 16V 16V 16V 16V 16V
+3.3V_OTP
R947 +3.3V_DOUGLAS +3.3V_HDMI_DOUGLAS
IC902 4.7K
C908 TPS2042BDRG4
0 . 1 u F
GND OC1 C927 C949 C962 C972
1 8 L903 10uF 0 . 1 u F 0 . 1 u F 0 . 1 u F
TEXAS INSTRUMENT MLB-201209-0120P-N2 6.3V 16V 16V 16V
L900
IN 2 7 OUT1
ANALOG SWITCH 120-ohm
EN1 OUT2
3 6 C911 +1.2V_DOUGLAS_D
100uF +1.2V_AUD_DOUGLAS
R935 16V
USB20-PWE1 0 EN2 4 5 OC2
L904
0ITI204200C C946 C960
120-ohm C928 0 . 1 u F 0 . 1 u F
USB20-OC1 6.3V 10uF 16V 16V
0
R948
+3.3V_DOUGLAS +3.3V_ADC_DOUGLAS
L905
C929 C942 C958 C971
120-ohm 10uF 0 . 1 u F 0 . 1 u F 0 . 1 u F
6.3V 16V 16V 16V
+3.3V_DOUGLAS +3.3V_AUD_DOUGLAS
L906
120-ohm C930 C947 C961
10uF 0 . 1 u F 0 . 1 u F
6.3V 16V 16V
+1.2V_DOUGLAS_D +1.2V_DDRPLL
L907
C931 C948
120-ohm 0 . 1 u F 0 . 1 u F
16V 16V
+3.3V_DOUGLAS +3.3V_LVTX_DOUGLAS +3.3V_LVTX_PLL_DOUGLAS
R951 R956
0 0
C932 C943 C959 C976
0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F
16V 16V 16V 16V
+3.3V_DOUGLAS +1.2V_DOUGLAS_D
C914 C918 C980 C985
0 . 1 u F 0 . 1 u F 33uF 0 . 1 u F
16V 16V 10V 16V
+3.3V_DOUGLAS
+3.3V_DOUGLAS +3.3V_DOUGLAS_VDDI
N e a r b y p i n F 2 3 N e a r b y p i n A D 2 3
R958
0
C919 C922 C936 C951 C964 C989 C993 C997 C1900 C1902
C915 0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F 10uF 0 . 1 u F 10uF 0 . 1 u F 10uF
330uF 6.3V 16V 6.3V 16V 6.3V
6.3V 16V 16V 16V 16V 16V READY
+3.3V_DOUGLAS +3.3V_DAC_DOUGLAS +3.3V_DOUGLAS +3.3V_DOUGLAS_VAA
R959
0
C933 C950 C963
L908 10uF 0 . 1 u F 0 . 1 u F C988 C992 C994
MLB-201209-0120P-N2 6.3V 16V 16V 10uF 0 . 1 u F 0 . 1 u F
6.3V 16V 16V
+3.3V_OTP +3.3V_DOUGLAS
C937
0 . 1 u F +1.8V_DOUGLAS_DDR
16V
R954
390
C
Q901 B
2N3904S
E
12V Line
P_+12V
+9V_MSP
INV_CTL FAIRCHILD IC1008
IC1003
KA7809ERTM VOLTAGE REGULATOR KIA7805AF
EAN32662801
I O I
1 3 1
2 2
C1032 G C1037 C1040
0 . 1 u F 0 . 1 u F 100uF
16V 16V 16V
RL_ON/PWR_ONOFF
AC_DET
O v e r c u r r e n t p r o t e c t i o n c a n b e o p e r a t e d
P_+5V_CORE
C1027 C1030
4 . 7 u F 220uF
10V
16V
6
P_+5V IC1005
KIA78R05F
1 2 3 4
C1002
C1001
4 . 7 u F 220uF
16V 10V
16V
P_+12V
C1033
C1026 0 . 1 u F
100uF
16V 16V
P_+16V
C1028 C1025
0 . 1 u F 47uF R1014
50V 25V
CI_EN 100
R1017
4.7K
L o c a t e c l o s e t o t h e T U N E R
IC1002
BA18DD0WHFP
KEC
6 LDO VOLTAGE REGULATOR
ROHM
CTL 1 5 NC IC1004 0IPMGKE031A
KIA78R33F
+1.8V_DOUGLAS_DDR P_+5V 1 2 3 4 5
VCC 2 4 VOUT
EAN42830901
3 C1015 C1017
0 . 1 u F 10uF
6.3V
16V
GND
C1912
C1036 R1621
22uF 0 . 1 u F 0
16V
16V C1044
0 . 1 u F
16V
3.3V_EN
C1008
0 . 2 2 u F L1002
16V 22uH C1045
+1.2V_DOUGLAS_D 0 . 1 u F
16V IC1006
C1016 C1018 C1019 C1024 AZ1117H-1.8TRE1(EH13A)
IC1000 C1056 0 . 1 u F 10uF 10uF 470uF
6.3V 16V
MP2305DS 0 . 1 u F 16V 6.3V INPUT ADJ/GND
16V READY 3 1
C1057 READY
0 . 1 u F ADVANCED ANALOG CIRCUITS 2
BS SS 16V OUTPUT
AC 1 MPS 8 LDO VOLTAGE REGULATOR
0IPMG00049A
DC-DC CONVERTER
IN EN
2 7
C1046
0 . 1 u F
C1005 SW COMP
4 . 7 u F 3 6 R1006 16V
10V C1014 0
C1013
GND 4 5 FB 560pF 0 . 0 1 5 u F
R1007 R1008 [ R 1 0 0 8 ]
EAN33143501 6.8K 3.3K 3 . 6 K : 1 . 2 6 V
1% 3 . 3 K : 1 . 2 2 V
3 . 0 K : 1 . 9 9 V
S t a n d b y V o l t a g e
R1009
1.2V_DOUGLAS_EN 10K P_+5V
1%
IC1007 ADVANCED ANALOG CIRCUITS
AZ1117H-3.3 LDO VOLTAGE REGULATOR
0IPMGA0010A
INPUT ADJ/GND
3 1
2
C1911 C1034 OUTPUT
22uF 0 . 1 u F
KEC 16V
LDO VOLTAGE REGULATOR 16V R1618
0IPMGKE031A 0
C1039 C1041
10uF 0 . 1 u F
6 16V
6.3V
IC1001
KIA78R33F
1 2 3 4 5
Q1001
R1620
0 L1006 RTR030P02
+3.3V_DOUGLAS
120-ohm C1035 1uF C1038
16V C1011 C1012 0 . 1 u F
0 . 1 u F 10uF 50V C1913
16V 6.3V 0 . 1 u F
R1013 47K 16V
READY
R1018
47K
C
R1015
1K B
RL_ON/PWR_ONOFF B
Q1000
2SC3052 E
TRNPN_ISA
IC100
D o u g l a s F u l l
FLI10620H-AA
+1.2V_DOUGLAS
L11 D26
L12 CVDD12_1 CVSS_1 D28
CVDD12_2 CVSS_2
L17 E24
L18 CVDD12_3 CVSS_3 E26
CVDD12_4 CVSS_4
L19 CVDD12_5 CVSS_5 E28
M11 G24
M12 CVDD12_6 CVSS_6 G26
CVDD12_7 CVSS_7
M17 G27
M18 CVDD12_8 CVSS_8 J 2 4
CVDD12_9 CVSS_9
C978 C983 C986 C990 C995 C998 M19 J 2 6
V11 CVDD12_10 CVSS_10 J 2 8
0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F CVDD12_11 CVSS_11
16V 16V 16V 16V 16V 16V V12 CVDD12_12 CVSS_12 L13
V13 L14
V18 CVDD12_13 CVSS_13 L15
CVDD12_14 CVSS_14
V19 L16
W11 CVDD12_15 CVSS_15 L24
CVDD12_16 CVSS_16
W12 L26
W13 CVDD12_17 CVSS_17 L28
CVDD12_18 CVSS_18
W18 CVDD12_19 CVSS_19 M13
+3.3V_IO_DOUGLAS W19 M14
CVDD12_20 CVSS_20 M15
CVSS_21
F12 M16
F13 IOVDD33_1 CVSS_22 N11
IOVDD33_2 CVSS_23
F14 IOVDD33_3 CVSS_24 N12
F15 N13
IOVDD33_4 CVSS_25
F16 IOVDD33_5 CVSS_26 N14
F18 N15
F19 IOVDD33_6 CVSS_27 N16
IOVDD33_7 CVSS_28
C996 C999 C1901 C1903 C1904 AD8 N17
0 . 1 u F 0 . 1 u F 10uF 0 . 1 u F 0 . 1 u F AD10 IOVDD33_8 CVSS_29 N18
16V 16V 16V 16V 16V IOVDD33_9 CVSS_30
AD11 IOVDD33_10 CVSS_31 N19
AD12 N27
AD14 IOVDD33_11 CVSS_32 N28
IOVDD33_12 CVSS_33
AD16 P11
AD17 IOVDD33_13 CVSS_34 P12
IOVDD33_14 CVSS_35
AD18 P13
U6 IOVDD33_15 CVSS_36 P14
IOVDD33_16 CVSS_37
V6 IOVDD33_17 CVSS_38 P15
Y6 P16
AA6 IOVDD33_18 CVSS_39 P17
IOVDD33_19 CVSS_40
AB6 P18
+1.2V_ADC_DOUGLAS IOVDD33_20 CVSS_41 P19
C938 C956 C969 CVSS_42
0 . 1 u F 0 . 1 u F 0 . 1 u F A1 P26
16V 16V 16V B2 ADC_VDD12_1 CVSS_43 R11
ADC_VDD12_2 CVSS_44
+3.3V_ADC_DOUGLAS C3 ADC_VDD12_3 CVSS_45 R12
R13
E4 CVSS_46 R14
ADC_VDDA33_1 CVSS_47
F4 R15
G4 ADC_VDDA33_2 CVSS_48 R16
ADC_VDDA33_3 CVSS_49
H4 ADC_VDDA33_4 CVSS_50 R17
K4 R18
+1.2V_AUD_DOUGLAS ADC_VDDA33_5 CVSS_51
CVSS_52 R19
P6 T11
R6 AUD_AVDD12_1 CVSS_53 T12
C1908 AUD_AVDD12_2 CVSS_54
R910 0 . 1 u F T13
22 L1 CVSS_55 T14
SCART1_FB C4P CVSS_56
T6 AUD_AVDD33_2 CVSS_57 T15
T5 T16
U5 AUD_AVDD33_3 CVSS_58 T17
AUD_AVDD33_4 CVSS_59
+3.3V_AUD_DOUGLAS U4 T18
U3 AUD_AVDD33_5 CVSS_60 T19
AUD_AVDD33_6 CVSS_61
T24
U2 CVSS_62 T26
+1.2V_DDRPLL AUD_HP_AVDD33 CVSS_63
CVSS_64 U11
D22 U12
DDRPLL_AVDD12 CVSS_65 U13
+1.8V_DOUGLAS_DDR CVSS_66
D25 U14
C912 D27 DDR_VDD_1 CVSS_67 U15
DDR_VDD_2 CVSS_68
10uF D29 U16
C916 F25 DDR_VDD_3 CVSS_69 U17
DDR_VDD_4 CVSS_70
F27 DDR_VDD_5 CVSS_71 U18
0 . 1 u F F29 U19
C920 H24 DDR_VDD_6 CVSS_72 V14
DDR_VDD_7 CVSS_73
H27 V15
0 . 1 u F H29 DDR_VDD_8 CVSS_74 V16
C934 DDR_VDD_9 CVSS_75
K25 DDR_VDD_10 CVSS_76 V17
0 . 1 u F K27 V29
DDR_VDD_11 CVSS_77
C944 K29 DDR_VDD_12 CVSS_78 W14
M25 W15
M29 DDR_VDD_13 CVSS_79 W16
0 . 1 u F DDR_VDD_14 CVSS_80
C954 N24 W17
P28 DDR_VDD_15 CVSS_81 W24
DDR_VDD_16 CVSS_82
0 . 1 u F R25 DDR_VDD_17 CVSS_83 W26
U25 W28
C967 V27 DDR_VDD_18 CVSS_84 AA24
DDR_VDD_19 CVSS_85
0 . 1 u F Y25 AA26
Y27 DDR_VDD_20 CVSS_86 AA27
C975 DDR_VDD_21 CVSS_87
Y29 AC24
0 . 1 u F AB24 DDR_VDD_22 CVSS_88 AC26
DDR_VDD_23 CVSS_89
C981 AB27 DDR_VDD_24 CVSS_90 AC28
AB29 AE24
0 . 1 u F AD25 DDR_VDD_25 CVSS_91 AE26
DDR_VDD_26 CVSS_92
AD27 AE28
AD29 DDR_VDD_27 CVSS_93
DDR_VDD_28
AF25 D4
AF27 DDR_VDD_29 ADC_GND12_1 E5
DDR_VDD_30 ADC_GND12_2
+3.3V_DOUGLAS AF29 DDR_VDD_31 ADC_GND12_3 F6
E22 F5
DDRPLL_AVDD33 ADC_GNDA_1
+3.3V_DOUGLAS_VDDI E3
F23 ADC_GNDA_2 F1
DDR_VDDI_1 ADC_GNDA_3
AD23 DDR_VDDI_2 ADC_GNDA_4 G5
G3
G25 ADC_GNDA_5
DDR2_VREF DDR_VRF_0 ADC_GNDA_6 H5
R24 J 5
AA25 DDR_VRF_1 ADC_GNDA_7 K5 C1909 R911
DDR_VRF_2 ADC_GNDA_8 0 . 1 u F 75
+3.3V_DOUGLAS_VAA A4P K3
M28 SCART1_VIN
DLL_VAA0
+3.3V_HDMI_DOUGLAS V24 DLL_VAA1 AUD_AVSS12_1 M6 C1907 R978 R977
N6 0 . 1 u F 510 10
C4 AUD_AVSS12_2 L2
HDMI_VDDA33_1 B4P
D5 P1
D6 HDMI_VDDA33_2 AUD_AVSS33_2 P2
HDMI_VDDA33_3 AUD_AVSS33_3
E6 P3
E7 HDMI_VDDA33_4 AUD_AVSS33_4 P4
+1.2V_HDMI_DOUGLAS HDMI_VDDA33_5 AUD_AVSS33_5
AUD_AVSS33_6 P5
D10
E8 HDMI_VDD12_1 U1
HDMI_VDD12_2 AUD_HP_AVSS33
E9
E10 HDMI_VDD12_3 E21
+3.3V_LVTX_DOUGLAS HDMI_VDD12_4 DDRPLL_AGND
AE21 A2
LVTX_VDD33_1 HDMI_GNDA_1
AE22 LVTX_VDD33_2 HDMI_GNDA_2 C5
AF24 C6
+3.3V_LVTX_PLL_DOUGLAS LVTX_VDD33_3 HDMI_GNDA_3 C7
HDMI_GNDA_4
AG26 C8
LVTX_PLL_VDD33 HDMI_GNDA_5 C9
HDMI_GNDA_6
A26 OTP_VDD33 HDMI_GNDA_7 C10
+3.3V_DOUGLAS D7
B23 HDMI_GNDA_8
RPLL_AVDD33 HDMI_GNDA_9 D8
+1.2V_DDRPLL
C23 AD21
RPLL_AVDD12 LVTX_VSS_1
+1.2V_DOUGLAS_D AD22
AE20 LVTX_VSS_2 AE23
+3.3V_DOUGLAS USB_AVDD12 LVTX_VSS_3
LVTX_VSS_4 AG27
AF20
AG19 USB_AVDD33_1 B22
USB_AVDD33_2 RPLL_AGND_1
AH19 C22
+1.2V_DOUGLAS USB_AVDD33_3 RPLL_AGND_2
AD6 AD20
+3.3V_DAC_DOUGLAS VDAC_VDD12 USB_GND_1 AJ19
C1906 USB_GND_2
0 . 1 u F AE6 VDAC_AVDD33_1 USB_GND_3 AF19
AF5
AF6 VDAC_AVDD33_2 AC6
VDAC_AVDD33_3 VDAC_VSS12
AD7
VDAC_AVSS33_1
AG4
VDAC_AVSS33_2
KEC
VOLTAGE REGULATOR
0IPMG00004A
+5V_TUNER
O
3
READY
C C1049 C1053 C1055
0 . 1 u F 4 . 7 u F 100uF
16V 10V 16V
KEC
0IPMGKE030A
REGULATOR
5
+5V_CI
C1042
0 . 1 u F
16V
+3.3V_TUNER
C1050
100uF
16V
0 R1619
+3.3V_CI
C1051
100uF
16V
+1.8V
READY
C1048 C1054
10uF
100uF
6.3V 16V
+3.3V_STBY
L1009
+5V
120-ohm
C1043 C1047 C1052
0 . 1 u F 4 . 7 u F 100uF
16V 10V 16V
C
Q1000-*1
2SC3875S
TRNPN_KEC
E
LGE Internal Use Only