LG 37LF65 Service Manual page 57

P901
SMW250-10
6602T25008J
19V L911
1 P_+19V
HU-1H4532-121
19V
2 C924
100uF
25V
GND
3
4 GND
L912
6V HU-1H4532-121
5 P_6.0V
C928
GND 220uF
6 16V
L918
3.4V HU-1H4532-121
7 P_3.3V
C929
GND 220uF
8 16V
L919
12V HU-1H4532-121
9 P_12V
C925
GND 220uF
10 16V
PDP ONLY FOR FAN
FAN
L910
HH-1M3216-501
FAN_VCC
500-ohm
STAND-BY
+5VST
R905
READY
1.8K
C954
470uF
16V
TP921
D901
SAM2333
READY
5.0V
L913
HH-1M3216-501
+5V_MSP4450
C937
100uF
16V
C957
100uF
16V
D900
KDS226
9.0V C958
100uF
A 16V
KDS226
IC904
KA7809ERTM
P_12V
1 3
C901 2 C915
100uF 100uF
16V 16V
L909
HH-1M3216-501
+9V_MSP4450
C903
0.1uF 47uF
C917 16V
L925
D906 C980
HH-1M3216-501 0.01uF
ADAC_8V
EU1ZV(1) C981
47uF
16V
C959
100uF
16V
R1128-*1
100
RGB_NOISE
R1125-*1
100
RGB_NOISE
R1124-*1
100
RGB_NOISE
J1100
ZD1104
A03-7071-094 SD05
OPT
R1128
22
6
R1104 VGA_R
RGB_22OHM
1.RED 0
1
2.GRN 11 RGB_NOISE
3.BLU
4.NC
R1125 22
5.DDC_GND 7 VGA_G
6.SYNC_GND RGB_22OHM
2 12 D_SUB_SDA
7.GNC
R1123 RGB_NOISE
8.B_GND 0
9.G_GND 8 R1124
VGA_B
10.R_GND 22 RGB_22OHM
11.GND 3 13 DS_HS
12.SDA JP1108 R1121
13.HSYNC 1K
R1112 OPT RGB_NOISE
14.VSYNC
9
15.SCL
4 14 DS_VS
R1126 1K
10
R1127 0
5 15 D_SUB_SCL
R1115 R1117 R1120 R1122
R1113 4.7K
75 75 75 4.7K
16
GND
ROM DOWNLOAD FOR PDP
P1102
12505WS-04A00
1
2
PC_SER_CLK
R1167
0 3 PC_SER_DATA
PC_SER_DATA
R1169 4
R1168 1K
0 FOR PDP,FULL_HD_PDP
5
P_3.3V
ZD1110 ZD1111
CDS3C30GTH R1170
CDS3C30GTH
10K FOR PDP,FULL_HD_PDP
FOR PDP
PC_SER_CLK
P1102, R1167, R1168,
ZD1110, ZD1111
+3.3V_SWITCH
C1123
0.1uF IC1102 C1125 COR_STI_SWITCH
ICL3232CBNZ 0.1uF
C1+ VCC
1 16
TP1134
C1120
V+ GND
0.1uF 2 15
C1- T1OUT UART0_TX
TP1133 3 14
J1102
C1121 C2+ 4 13 R1IN DEBUG_UART_TX
A02-0915-101 0.1uF
R1150
C2- R1OUT 100
5 12 RXD TXD
TP1131
1 R1151
V- T1IN 100 RXD
6 11 TXD
6 TP1129
C1119
2 T2OUT T2IN
JP1115 0.1uF 7 10
7
3 R2IN R2OUT UART0_RX
8 9
JP1116
8
4
9
5
10
JP1114
FOR LCD STAND_BY 1W
+5VST
R911-*1
R915
10K +5VST 1K
R923 R923-*1
3 10K
R919
Q901 2 33K 1K
3
P900 2SC3875S Q904 R925
R939 0 1 2 33K
2SC3875S RL_ON/PWR_ONOFF_2
SMW250-13
6602T25008M 1
FOR FULL HD LCD STAND_BY 1W
LC-2012-250JT L908 0
R938
AC_DET 1
IN OUT
R911-*2 R913-*2
RL_ON GND LC-2012-250JT L904
2 TP923
/POWER ON
L900 IN OUT +5VST 10K
5VST GND
3
R940 0 R917 +5VST
HU-1H4532-121
GND 4 10K R923-*2 R924-*2
R924
L903
VaVs_ON LC-2012-250JT 10K 1K
/INVERTER 5
ON IN OUT 3 R920
LC-2012-250JT L906 33K
5V_DET C955 0.47uF GND 2
6 Q903
/ERROR OUT IN OUT 3 R926
2SC3875S 1 Q900 2 33K
3.3V ON GND 2SC3875S INV_CTL/VAVS_ON
7
/BRI CTRL R935 0
1
5VST 8 FOR FULL HD PDP STAND_BY 1W
GND 9
R911-*3 R913-*3
NC R927 4.7K
/PWM 10 5V_MNT
ERROR_OUT 20K
DIMMING 5000:1
5000:1
6V 11 LC-2012-250JT L901
R910 0
Vbr_A R923-*3 R924-*3
GND IN OUT
12 GND
6.2K
LC-2012-250JT L902
3.3V ON 13 LC-2012-250JT L905 R929 0
Vbr_B_2
IN OUT
GND IN OUT FOR LCD_AI,FULL_HD_LCD_AI
GND
R928 0
0.01uF Vbr_B_1
R936 0 R937 0 5000:1_POWER,CMO
C909
OPTION FOR 5000:1 ONLY LCD
+5VST
R932
R931 10K
100
R934
3
+5VST FOR PDP, HD_PDP 33K
2
Q906
+5VST 2SC3875S
R911 1
2SC3875S
10K
R916
10K
3 R913
33K
2
Q905 3
2SC3875S 1 Q902 R918
2 33K
2SC3875S 3.3V_ON
OPTION FOR PDP
1
SUPPLY 5V TO module cont. B/D
L907
HH-1M3216-501 +3.3V_SWITCH
D902
KDS226 C912
C 47uF
AC 3.3V_CTZ 16V
A
IC900
FAN1587AD33X D905
KDS226
IN IN OUT OUT
GND
C960 ADJ C969 C972
0.1uF 100uF 0.1uF
16V MVK 50V KDS226
IC903
SC156515M-1.8TR
D903
KDS226 VIN VO
C 2 4
A AC
EN ADJ
1 5
IC901 1.8V_CTZ
FAN1587AD33X 3
IN OUT TP913 GND
IN OUT
GND
C961 C973 R900
0.1uF ADJ C970 0.1uF
100uF 10K
16V MVK 50V 1.8V_CORE_CTZ
HH-1M3216-501
L923
500-ohm
R901 C907
C975 100uF
10K 100uF 16V
16V
1%
1.8V_CORE_CTZ is changed
R902
20K
due to ability of regulator
1%
D904
KDS226
C
AC +2.5V_DDR_CTZ
A
IC902
AZ1117H-2.5TR/E1
INPUT 3 2 OUTPUT
1
C962 ADJ/GND C908
0.1uF C971 0.1uF
100uF 16V
16V
FOR PDP
FOR LCD
6602T20008J 6602T12005G
P1101 P1103
SMW200-10 12505WR-08A00
LED_R LED_R
1 1
LED_G 2 LED_G
2
3 STBY_5V 3 STBY_5V
IC1100
GND GND C1136
AT24C02BN-10SU-1.8 4 4 0.1uF
50V L1107
+5VST
IR IR HB-1S2012-121JT
5 5
C1116
0.1uF
1 8 GND GND
6 6
FOR PDP IR/LED
2 7 R1136
100 7 KEY2 7 KEY2
D_SUB_SCL
3 6
GND KEY1
8 8
4 5 D_SUB_SDA
R1137 9 KEY1 9
100
GND
GND
10
JP1105
5.0V
FULL_HD_LCD_TEMP_2
IC1101
6602T20008L
R1133
74HC14D
0 P1105
DS_HS 1 14
R1134 2 13 R1140
0 3 12 0 SMW200-12
4 11 DS_VS
5 10 KEY2
H_SYNC_PC 1
6 9
7 8 V_SYNC_PC
GND
R1141 2
0
KEY1
3
C1113
OPT 4 GND
5 IR
GND
6
5VST
7
GND
8
LED_R Soft touch key FOR 60"PDP
9
LED_G
10
GND
11
GND
12
PC SOUND
J1101
PEJ024-01
3 E_SPRING
6A T_TERMINAL1 VFD:FOR 60"PDP
HB-1T2012-102JT
R R1119
7A B_TERMINAL1 R1185 L1101 1K P1104
0
PC_AUDIO_R SMW200-10
4 R_SPRING
OPT
C1105
5 T_SPRING JP1126
HB-1T2012-102JT 0.01uF 1
R1118
7B B_TERMINAL2 R1186 L1102 1K
0
L PC_AUDIO_L 2
6B T_TERMINAL2
C1104 3
OPT
8 SHIELD_PLATE 0.01uF READY
JP1129 R1181
4
4.7K
L1112
JP1127
5
L1113
JP1128
6
L1114
7 JP1120
L1115
8 JP1119
L1116
9 JP1118
JP1117
10
L1110
HH-1M2012-121
R1176
READY
+3.3V_SWITCH
HH-1M3216-501
L1117 GND_VFD
R1102 GND_VFD
1K
3.3V_CTZ
C R1103
B 10K
OAD_CONT IC1105
R1162 IC1104 Q1100
E 2SC3875S NC7SB3157P6X
4.7K TC74LCX157FT
B1 S
UART0_RX 1 6
SEL 1 16 VCC
R1171
R1157 0 GND VCC
100 2 5
1A 2 LOW 15 ST
R1158 B0 A
100 UART1_RX 3 4
1B 3 HIGH 14 4A
1Y 4 13 4B
2A 5 12 4Y
2B 6 11 3A
R1161
100 100
2Y 7 10 3B R1165 RXD
3.3V_CTZ
R1164 100
GND 8 9 3Y DEBUG_UART_RX
IC1106
NC7SB3157P6X
+3.3V_SWITCH
B1 S
UART0_TX 1 6
R1166
3.3K GND VCC
2 5
UART1_TX B0 3 4 A
R913-*1 R915-*1 R916-*1 R917-*1 R918-*1 R919-*1 R920-*1
10K 1K 1K 10K 10K 10K 33K
R924-*1 R925-*1 R926-*1 R930-*1 R932-*1 R933-*1 R934-*1
5V_HDMI_0
10K 10K 33K 10K 1K 1K
10K
GND
22
HP_DET
19
5V C1009
18 0.1uF
R915-*2 R916-*2 R917-*2 R918-*2 R919-*2 R920-*2 GND 50V
17
10K 1K 10K 10K 10K 10K 10K DDC_DATA SDA_HDMI_0
16
SCL_HDMI_0
DDC_CLK
R925-*2 R926-*2 R930-*2 R932-*2 R933-*2 R934-*2 15
NC
10K 10K 10K 10K 1K 1K 14
10K
CE_REMOTE
13
CK-
12
CK_GND
11
CK+
10
D0-
9
R915-*3 R916-*3 R917-*3 R918-*3 R919-*2 R920-*3
D0_GND
8
10K 6.2K 20K 6.2K 10K 10K 10K
D0+
7
D1-
R925-*3 R926-*3 R930-*3 R932-*3 R933-*3 6
R934-*3
6.2K 10K 10K 10K 6.2K 6.2K D1_GND
10K 5
D1+
4
D2-
3
D2_GND
2
D2+
1
GND
20
GND
21
ONLY FOR PDP
+5VST Q906, Q907, R930, R931
R932, R933, R934 J1000
R933 GND
DC1R019WDH
10K
3
R930
Q907 2 33K
5V_ON
1
5V_HDMI_1
GND
22
HP_DET
19
5V C1010
18 0.1uF
GND 50V
17
DDC_DATA SDA_HDMI_1
16
SCL_HDMI_1
DDC_CLK
15
NC
14
CE_REMOTE
13
CK-
12
CK_GND
11
CK+
10
D0-
9
D0_GND
8
D0+
7
D1-
6
D1_GND
5
D1+
4
D2-
3
D2_GND
2
D2+
1
GND
20
GND
21
J1001
GND
DC1R019WDH
L1105
HB-1S2012-121JT
LED_R GND
LED_G 22
L1106
HB-1S2012-121JT
GND 21
R1201
+5VST
VIN 20 0
R1202
L1104 68
VOUT 19
HH-1M3216-501
C1135 GND 18
0.1uF +3.3V_SWITCH
50V
GND 17
IR
S_FB 16
C1132
680pF
R 15
. 14
L1108
KEY_2 GND 13
HB-1S2012-121JT
C1101
10pF . 12
L1109 HD_LCD_EMI
KEY_1 11
G
HB-1S2012-121JT
C1100
10pF . 10
HD_LCD_EMI
. 9
S_ID 8
ZD1102-*1
10pF HD_LCD_EMI
B 7
ZD1103-*1
10pF HD_LCD_EMI LIN 6
GND 5
GND 4
LOUT 3
RIN 2
ROUT 1
6612M00010A R1287
PSC003-01 0
J1200
C1255
5pF
SCART-STRAIGHT
R1286
0
C1253
R1285
0
R1284
0
+5VST
L1111
HH-1M2012-121
L1215-*1
0
FOR PDP, HD_PDP
60" FULL_HD
R1180
4.7K
LED_R
READY
LED_G
R1183
4.7K READY
VFD_SCK
R1184
4.7K
READY VFD_SDA
R1182 9.0V
4.7K
VFD_CS
COMPONENT
3E [RD]O_SPRING
R
[RD]CONTACT 4E
2E [RD]1P_CAN2
L
[WH]C_LUG_L 5D
2D [WH]1P_CAN
Pr
5C [RD]C_LUG_L
2C [RD]1P_CAN1
Pb
5B [BL]C_LUG_L
C1133
2B [BL]1P_CAN
0.1uF
[GN]O_SPRING
3A
Y
[GN]CONTACT
4A
2A [GN]1P_CAN
COMM_UART_TX PPJ209-01
J1203
OAD_CONT
C1134
0.1uF
COMM_UART_RX
R1018
680
R1017
22 HDMI 5V Detection
R1019
22
R1021
22
5V_HDMI_0
R1056
10K
IC1000
CM2021-00TR HDMI1_5V_DET
READY READY
R1060
R1002 R1014
33K
100 20 HOTPLUG_DET_OUT 19 HOTPLUG_DET_IN 100
HP_DET_S/W_0
R1010
18 DDC_DAT_IN 22 DDC_SDA_0
21 DDC_DAT_OUT
R1011 GND
22 DDC_CLK_OUT 17 DDC_CLK_IN 22
DDC_SCL_0
R1062 0 R1012
23 CE_REMOTE_OUT 16 CE_REMOTE_IN 0 5V_HDMI_1
READY TMDS_CK- NC3 READY
24 15 CK-_HDMI0 R1057
TMDS_GND7 14 TMDS_GND3 10K
25
NC4 26 13 TMDS_CK+ HDMI2_5V_DET
CK+_HDMI0
TMDS_D0- NC2 R1061
27 12 D0-_HDMI0 33K
TMDS_GND6 11 TMDS_GND2
28
NC5 29 10 TMDS_D0+
D0+_HDMI0 GND
TMDS_D1- 30 9 NC1
D1-_HDMI0
TMDS_GND5 8 TMDS_GND1
31
NC6 32 7 TMDS_D1+
D1+_HDMI0
TMDS_D2- 33 6 NC0
D2-_HDMI0
TMDS_GND4 5 TMDS_GND0
34
NC7 4 TMDS_D2+
35
D2+_HDMI0
GND1 36 3 GND0
TMDS_VDD 3.3V_SUPPLY
37 2 +3.3V_SWITCH
C1001 NC8 1 5V_SUPPLY +3.3V_SWITCH
38 +5VST
0.01uF
R1006
OPT
R1058
100K
GND
KDS184
D1002
R1066
READY
0
READY
R1020
680
S B D
R1023
22
R1022
22 BSS83
R1016 Q1001
22
HDMI CEC
G
CK-_HDMI0
IC1001
CM2021-00TR CK+_HDMI0
READY READY
R1015
R1004
100
100 20 HOTPLUG_DET_OUT 19 HOTPLUG_DET_IN
HP_DET_S/W_1
R1008 D0-_HDMI0
18 DDC_DAT_IN 22
21 DDC_DAT_OUT DDC_SDA_1
R1009
D0+_HDMI0
22 DDC_CLK_OUT 17 DDC_CLK_IN 22
DDC_SCL_1
R1063 0 R1013
23 CE_REMOTE_OUT 16 CE_REMOTE_IN 0
READY TMDS_CK- NC3 READY
24 15 CK-_HDMI1
D1-_HDMI0
TMDS_GND7 14 TMDS_GND3
25
D1+_HDMI0
NC4 26 13 TMDS_CK+
CK+_HDMI1
TMDS_D0- NC2
27 12 D0-_HDMI1
TMDS_GND6 11 TMDS_GND2
28
D2-_HDMI0
NC5 29 10 TMDS_D0+
D0+_HDMI1
TMDS_D1- 30 9 NC1 D2+_HDMI0
D1-_HDMI1
TMDS_GND5 8 TMDS_GND1
31
NC6 32 7 TMDS_D1+
D1+_HDMI1
TMDS_D2- 33 6 NC0
D2-_HDMI1
TMDS_GND4 5 TMDS_GND0
34
NC7 4 TMDS_D2+
35
D2+_HDMI1
GND1 36 3 GND0
TMDS_VDD 3.3V_SUPPLY
37 2 +3.3V_SWITCH
C1002 NC8 1 5V_SUPPLY
38 +5VST
0.01uF
R1007
OPT
P_3.3V
SCART1_VIN
GND
TV_VOUT
22
OPT R1271
C1242 READY GND 21
C1241 R1224 1K
OPT READY
1K
C VIN 20
B Q1204
C R1259 1K 2SC3875S
1K R1270 VOUT 19
B
E
ZD1218 SCART1_FB GND 18
30V E Q1200
R1273 2SC3875S
3.3K GND 17
30V CDS3C30GTH
ZD1219
R1244 L1219 . 16
75 3.3uH
CIN 15
. 14
GND 13
. 12
30V CDS3C30GTH
ZD1220 . 11
R1245 L1220
75 3.3uH SCART1_R
. 10
C1216
330pF
50V . 9
SCART1_G
8
R1204 S_ID
47K
SCART1_ID . 7
LIN 6
CDS3C30GTH
30V GND 5
R1241 ZD1221 L1218
75 3.3uH
SCART1_B GND 4
LOUT 3
RIN 2
L1213 R1215
3.3uH 1K
SCART1_LIN ROUT 1
FOR PDP AV IN SN
C1205 C1205-*1
0.039uF
0.01uF 50V
6612M00010A
L1214 R1216
1K PSC003-01
3.3uH SCART1_RIN
J1201
FOR PDP AV IN SN
C1207-*1
5pF C1207 0.039uF
0.01uF 50V SCART-STRAIGHT
L1216
3.3uH C1217
10uF
25V
C1254 R1227
5pF C1206 2.2K
1000pF TV_LOUT
L1217 C1225
3.3uH
10uF
25V
C1251 R1228
5pF C1208 2.2K
1000pF
TV_ROUT
L1212 R1226
R1293 HB-1T2012-102JT
0 1K
COMP_RIN
C1229
OPT
L1211
R1292 HB-1T2012-102JT R1225
0 1K
COMP_LIN
+9V_MSP4450
C1228
OPT
R1603
C1258
15K
L1208 10uF C
HH-1M2012-600JT R1605 16V
33 B Q1206
2SC3052
E COMP_Pr
R1297
R1606
6.8K
+9V_MSP4450 2.2K
GND
C1256 R1298
15K R1607
L1207 R1294 10uF C 0
HH-1M2012-600JT 16V
33 B Q1207
2SC3052
E COMP_Pb
R1295 R1296
6.8K 2.2K
GND
R1608
0
L1206 R1609
HH-1M2012-600JT 0
COMP_Y
+9V_MSP4450
R1604
C1257
15K
10uF C
33 R1600 16V
B Q1205
PDP : 100p 2SC3052
E
R1601 R1602
6.8K 2.2K
GND
5V_HDMI_0
+5VST
IC1002
AT24C02BN-10SU-1.8
C1007
0.1uF
KDS184
D1000
A0 VCC
1 8
R1039
A1 WP
2 7 0
R1042
R1040
47K 47K
R1050 0 +5VST
A2 SCL
3 6
SCL_HDMI_0
READY
GND SDA
4 5 R1055
R1049 0 SDA_HDMI_0 10K
C
Q1000
5V_HDMI_1 +5VST B
IC1003 KRC102S
AT24C02BN-10SU-1.8 READY EEPROM_WP
E
KDS184
D1001
A0 VCC
1 8
R1038
A1 WP
2 7 0 GND
R1041 R1043
47K 47K
A2 SCL R1053 0
3 6
EEPROM_WP
SCL_HDMI_1
GND SDA R1052 0
4 5
HIGH:Writable
SDA_HDMI_1
LOW:Protect
C1008
0.1uF
GND
if bused: R1038, R1039 must be deleted
Q1000 KRC102S, R1055 10K
if not: R1038, R1039 0 ohm
Q1000, R1055 READY
+3.3V_SWITCH
R1059
27K
CEC_0
C1006 VCC_1 GND_9
0.01uF 1 36
ACLK- Y1-
2 35
TX1-
ACLK+ Y1+
3 34
TX1+
GND_1 GND_8
4 33
IC1004
A0- Y2-
5 32
TX2-
A0+ STHDMI002A Y2+
6 31
TX2+
GND_2 SEL
7 30
HDMI_SW
A1- B2+ R1044
8 29
D2+_HDMI1 3.3K
A1+ B2-
9 28
D2-_HDMI1
GND_3 GND_7
10 27
A2- B1+
11 26
D1+_HDMI1
A2+ B1-
12 25
D1-_HDMI1
C1005
0.01uF
R1275 0
SCART2_VIN
1/10W
5%
C1232
R1230 100uF 16V
75
DTV/MNT_VOUT
C1247
100uF 16V
R1229
75 30V R1239 0
ZD1226 REC_8
CDS3C30GTH
R1279
47K SCART2_ID
R1288 L1221 R1280
0 3.3uH 1K
0.01uF
C1250 FOR PDP AV IN SN
5pF C1244 C1244-*1
0.039uF
SCART2_LIN
50V
R1291
0 L1209 R1237 C1236
3.3uH 1K DTV/MNT_LOUT
10uF
25V
R1263
C1248 0
C1234 TP1220
5pF 1000pF 1/10W
5%
Q1201
R1281 2SC3875S
L1222 1K
3.3uH
R1290
0
FOR PDP AV IN SN
0.01uF
C1252 C1246 C1246-*1
5pF 0.039uF
50V
SCART2_RIN
R1289 L1210 R1238
3.3uH 1K C1237 R1261
0 DTV/MNT_ROUT 2K
10uF
C1249 25V
5pF C1235
1000pF
R1262
0
TP1224
1/10W
5% Q1203
KRA102S
R1264 0
L1205-*1 Q1202
0 3 1
2SC3875S R1260 2K
C1239 MUTE_LINE_DTV
FOR PDP, HD_PDP 2
0.1uF