LG 37LH250H Service Manual page 26

SIDE_AV
D1215
ADUC30S03010L
30V
JK1202
PPJ218-01
OPT
[YL]O_SPRING
4A
[YL]CONTACT
5A
D1221
[YL]U_CAN
2A ADMC5M03200L
5.6V
[WH]C_LUG
3B
BG2012B080TF
[WH]U_CAN
2B
D1213
OPT
ADMC5M03200L
[RD]O_SPRING
4C
5.6V
[RD]CONTACT BG2012B080TF
5C
D1214
[RD]U_CAN
2C
OPT ADMC5M03200L
5.6V
COMPONENT1,AV1
L1218
R1205
BG2012B080TF
10K
AV_R_IN
008:R32
C1250
R1207
100pF
12K
50V
L1217
R1211
BG2012B080TF
10K
AV_L_IN
008:R32
C1251
R1210
100pF
12K
50V
ADMC5M03200L
AV_CVBS_IN
008:D26
C1252
R1215
47pF
75
50V
1%
PC AUDIO
JK1205
PEJ024-01
E_SPRING
3
T_TERMINAL1
6A
D1234
5.6V
ADMC5M03200L
B_TERMINAL1
7A
R_SPRING
4 OPT
T_SPRING
5
B_TERMINAL2
7B
T_TERMINAL2
6B
OPT
SHIELD_PLATE
8
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.
TUNER
L1208
BG2012B080TF
008:D26
SIDEAV_CVBS_IN
R1238
C1227
75
+3.3V 100pF
OPT
R1248
10K R1254
1K
009:P28
SIDEAV_SW
C1219
100pF
L1206
R1259
10K
008:R33
SIDEAV_L_IN
C1224
R1246 R1264
100pF
12K
470K 50V
L1207
R1258
10K
008:R33
SIDEAV_R_IN
C1225
R1247 100pF R1263
470K 12K
50V
D1242
ADMC5M03200L
5.6V
OPT
JK1200
PPJ228-01
[RD]CONTACT-S
[RD]CONTACT-L 6H 3E
[RD]O-SPRING-S
OPT
[RD]O-SPRING-L 5H 4E
[RD]E-LUG_2
9E
D1243 [WH]C-LUG-S
5.6V
[WH]C-LUG-L 7G 8D
[WH]E-LUG
9D
[RD]C-LUG-S
[YL]CONTACT-L 6F 8C
[YL]O-SPRING-L 5F
[RD]E-LUG_1
D1245
9C
OPT ADUC30S03010L
[BL]C-LUG-S
30V
8B
[BL]E-LUG
9B
[GN]CONTACT-S
3A
[GN]O-SPRING-S
4A
[GN]E-LUG
ADUC30S03010L
9A
R1300
R1305
10K
0
PC_R_IN
008:R32
C1240
R1303
R1297
100pF
470K 12K
50V
D1235
5.6V R1301
R1307
ADMC5M03200L 10K 0
PC_L_IN
008:R31
C1241
R1298
R1304
100pF
470K
50V 12K
D1212
ADMC5M03200L
R1251
5.6V 10K
COMP1_R_IN
R1245
C1221 008:R33
OPT 470K R1255
1000pF
12K
50V
R1252
10K
COMP1_L_IN
R1244 C1220 008:R33
R1256
OPT 470K
1000pF 12K
D1211 50V
ADMC5M03200L
5.6V
COMP1_PR
D1210 008:D31
R1243
ADUC30S03010L 75
OPT
30V
D1209
ADUC30S03010L
30V
COMP1_PB
008:D31
R1242
75
OPT
COMP1_Y
D1208
R1241 008:D31
OPT
75
30V
R,G,B PC&DDC
ENKMC2838-T112
C
IC1200
AT24C02BN-10SU-1.8
R1249 R1253
4.7K
4.7K
A0 VCC
1 8
A1 WP
2 7
A2 SCL
3 6
GND SDA
4 5
C1222 C1223
18pF 18pF
50V 50V
D1222
ADMC5M03200L
5.6V
OPT
R1232
0
008:D29 DSUB_VSYNC
0 R1233
DSUB_HSYNC
008:D29
D1216
ADUC30S03010L
D1207
30V
ADUC30S03010L
30V
DSUB_B
008:D28
D1217
R1234
C1216
75
30V
0.1uF
OPT
DSUB_G
008:D29
C1217 D1218
R1235
ADUC30S03010L
0.1uF
75
OPT 30V
008:D29 DSUB_R
C1218 D1219
R1236
0.1uF ADUC30S03010L
75
OPT 30V
JK1204
KCN-DS-1-0089
+5V_ST_PTC
D1223
A1
A2
C1228
0.1uF
16V
R1262
10K
R1269
100
EEPROM_WP
008:AP22;002:T21;002:T8
ISP_RXD
008:AB27
ISP_TXD
008:AB27;008:AR31
R1257
22 R1265
22
D1224
ADMC5M03200L
5.6V
OPT
+5V_GENERAL
R1270
OPT
10K
SIGN25
D1225
ADMC5M03200L
5.6V
OPT
09.05.19
37LH250H
1 14
IN/OUT