LG 47LE7300 (CHASSIS:LA01D) Service Manual ▷ View online
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.
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.
US_REAR_COMP_AV_SMALL
SIGN4269
SIGN4270
SIGN4272
SIGN4271
C9800
100pF
50V
OPT
D9806
5.6V
R9806
0
0
D9802
30V
R9804
0
0
D9808
5.6V
D9800
5.6V
D9801
5.6V
5.6V
R9800
10K
R9813
470K
470K
R9802
10K
R9817
10K
10K
C9803
10pF
50V
10pF
50V
OPT
R9814
470K
470K
R9810
470K
AV_CVBS_DET
R9816
10K
10K
C9808
1000pF
50V
1000pF
50V
D9805
5.6V
C9801
10pF
50V
10pF
50V
OPT
+3.3V_Normal
R9815
10K
10K
R9818
10K
10K
AV_CVBS_IN
D9804
30V
30V
R9819
12K
+3.3V_Normal
R9807
75
AV_R_IN
R9821
12K
12K
C9806
1000pF
50V
1000pF
50V
D9803
30V
30V
AV_L_IN
R9822
12K
12K
COMP2_DET
R9812
75
C9802
10pF
50V
10pF
50V
OPT
C9804
1000pF
50V
1000pF
50V
C9805
1000pF
50V
1000pF
50V
R9801
1K
1K
R9820
12K
R9811
470K
D9807
5.6V
R9809
75
D9809
30V
R9808
75
R9803
1K
R9805
0
0
C9807
10pF
50V
10pF
50V
OPT
SCART1_MUTE
TP9809
TP9803
TP9801
TP9802
SC1_CVBS_IN
TP9808
SC_RE2
SCART1_Rout
SC1_SOG_IN
SC1_ID
TP9807
TP9804
TP9806
SC_RE1
DTV/MNT_VOUT
SCART1_Lout
SC1_FB
TP9805
JK9800
PPJ238-01
5D
[GN2]O-SPRING
6D
[GN2]E-LUG
4D
[GN2]CONTACT
7E
[BL2]E-LUG-S
5E
[BL2]O-SPRING
7F
[RD2]E-LUG-S
5F
[RD2]O-SPRING_1
5G
[WH2]O-SPRING
4H
[RD2]CONTACT
5H
[RD2]O-SPRING_2
6H
[RD2]E-LUG
6A
[YL1]E-LUG
5A
[YL1]O-SPRING
4A
[YL1]CONTACT
5B
[WH1]O-SPRING
4C
[RD1]CONTACT
5C
[RD1]O-SPRING
6C
[RD1]E-LUG
SC1_G-/COMP1_Y-
SC1_G+/COMP1_Y+
SC1_R+/COMP1_Pr+
SC1_B-/COMP1_Pb-
SC1_R-/COMP1_Pr-
SC1_B+/COMP1_Pb+
SC1/COMP1_L_IN
SC1/COMP1_R_IN
TP9810
TP9811
TP9812
TP9813
TP9814
TP9815
TP9816
TP9817
TP9818
SC1/COMP1_DET
COMP2_Y+
COMP2_Pb-
COMP2_R_IN
COMP2_Pb+
COMP2_L_IN
COMP2_Y-
COMP2_Pr+
COMP2_Pr-
GP2_Saturn7M
Ver. 1.0
SCART OPTION BLOCK
98
SMALL_US_KR_EM_JACK PACK_HONGSU_090818
Component2 OPTION BLOCK
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.
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.
C9901
100pF
SIDE_CVBS
D9907
30V
SIDE_COMP
R9904
10K
SIDE_COMP
D9906
30V
SIDE_COMP
SC1_B-/COMP1_Pb-
R9905
470K
470K
SIDE_CVBS
R9908
75
SIDE_COMP
D9901
30V
SIDE_CVBS
ADUC30S03010L_AMODIODE
L9902
BLM18PG121SN1D
SIDE_CVBS
SIDEAV_DET
+3.3V_Normal
R9915
1K
1K
SIDE_CVBS
D9905
30V
SIDE_COMP
SIDEAV_CVBS_IN
D9904
5.6V
SIDE_CVBS
ADMC5M03200L_AMODIODE
SIDEAV_L_IN
R9913
10K
SIDE_CVBS
R9910
75
75
SIDE_COMP
C9904
10pF
50V
10pF
50V
OPT
C9907
100pF
OPT
JK9901
KJA-PH-1-0177
SIDE_CVBS
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
D9908
5.6V
SIDE_COMP
R9912
1K
1K
SIDE_COMP
JK9902
KJA-PH-1-0177
SIDE_COMP
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
D9902
5.6V
SIDE_CVBS
ADMC5M03200L_AMODIODE
R9911
10K
SIDE_CVBS
R9914
10K
SIDE_CVBS
SC1_R+/COMP1_Pr+
R9909
75
SIDE_COMP
R9906
470K
SIDE_CVBS
R9916
12K
SIDE_CVBS
D9903
5.6V
SIDE_CVBS
ADMC5M03200L_AMODIODE
R9901 0
SIDE_COMP
R9917
12K
12K
SIDE_CVBS
+3.3V_Normal
C9906
100pF
50V
SIDE_CVBS
R9903
0
SIDE_COMP
C9903
10pF
50V
OPT
SIDEAV_R_IN
SC1_B+/COMP1_Pb+
L9901
BLM18PG121SN1D
SIDE_CVBS
SC1/COMP1_DET
C9905
100pF
50V
SIDE_CVBS
SC1_G-/COMP1_Y-
R9907
75
SIDE_CVBS
SC1_G+/COMP1_Y+
SC1_R-/COMP1_Pr-
C9902
10pF
50V
OPT
R9902 0
SIDE_COMP
L9903
BLM18PG121SN1D
SIDE_CVBS
GP2_Saturn7M
101
SIDE CVBS PHONE JACK
SIDE_GENDER_3 SIL
(LA/TA/MA/SA)
(LA/TA/MA/SA)
(New Item Development)
Ver. 1.1
SIDE_GENDER (3 SIL)
LA/TA/MA/SA
LA/TA/MA/SA
(New Item Developmen)
SIDE COMPONENT PHONE JACK
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.
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.
09/12/18
IR & KEY & LED
102
LA01D SUB INTERFACE
DEMOD_RESET
IF_P_EXT
IF_N_EXT
DEMOD_SCL
DEMOD_SDA
C2406
1000pF
50V
C2407
100pF
100pF
50V
Q2402
2SC3052
Commercial
E
B
C
L2403
BLM18PG121SN1D
R2431
47K
D2402
5.6V
AMOTECH
C2408
1000pF
50V
1000pF
50V
OPT
+3.5V_ST
C2404
1000pF
50V
IR_OUT
Q2405
2SC3052
E
B
C
IR_PASS
R2421
47K
WIRELESS
R2402
100
100
Q2403
2SC3052
WIRELESS
E
B
C
R2426
3.3K
OPT
R2405
10K
1%
+3.5V_ST
R2425
47K
R2427
0
0
OPT
R2413
1.5K
NON_LE7300
D2401
5.6V
AMOTECH
R2420
47K
WIRELESS
R2422
0
0
Commercial_US
+3.5V_ST
R2404
10K
1%
C2405
0.1uF
16V
R2403
22
Commercial
D2405
5.6B
R2409
47K
Commercial
R2406
47K
Commercial_EU
R2407
10K
Commercial_EU
R2412
100
EYEQ/TOUCH_KEY
+3.5V_ST
+3.5V_ST
Q2401
2SC3052
Commercial_EU
E
B
C
R2418
10K
WIRELESS
IR
Q2404
2SC3052
WIRELESS
E
B
C
+3.5V_ST
R2417
22
WIRELESS
LED_B/LG_LOGO
C2409
1000pF
50V
1000pF
50V
OPT
+3.5V_ST
+3.5V_ST
C2402
0.1uF
KEY2
R2430
10K
R2401
100
100
NEC_EEPROM_SCL
Q2406
2SC3052
E
B
C
R2428
22
C2410
0.1uF
16V
OPT
L2404
BLM18PG121SN1D
R2411
100
100
EYEQ/TOUCH_KEY
+3.3V_Normal
+3.5V_ST
R2408
47K
Commercial
KEY1
D2404
5.6B
L2401
BLM18PG121SN1D
R2416
10K
OPT
R2429
47K
D2403
5.6B
NEC_EEPROM_SDA
L2402
BLM18PG121SN1D
C2403
0.1uF
16V
C2401
0.1uF
R2410
100
100
R2419
47K
WIRELESS
P2401
12507WR-12L
1
SCL
2
SDA
3
GND
4
KEY1
5
KEY2
6
3.5V_ST
7
GND
8
LED_B
9
IR
10
GND
11
3.3_NORMAL
12
LER_R
13
.
Q2400
2SC3052
LE7300
E
B
C
R2424
120K
OPT
+3.5V_ST
R2432
4.7K
LE7300
LED_R/BUZZ
+3.5V_ST
R2423
10K
OPT
L2405
BLM18PG121SN1D
LE7300
R2415
0
IF_AGC_MAIN
IF_AGC
R2433
1.5K
NON_LE7300
R2414
0
R2434
4.7K
LE7300
+3.5V_ST
IR & EYE & KEY & LED (LA01D N.AMERICA)
WIRELESS
COMMERCIAL
NON_LE7300
5V_Normal
Locate the Zener Diode to wafer closly
ST_LED
LE7300
IF AGC
DEMOD