DOWNLOAD LG 19LE5300 (CHASSIS:LA01A) Service Manual ↓ Size: 3.36 MB | Pages: 55 in PDF or view online for FREE

Model
19LE5300 (CHASSIS:LA01A)
Pages
55
Size
3.36 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
19le5300-chassis-la01a.pdf
Date

LG 19LE5300 (CHASSIS:LA01A) Service Manual ▷ View online

THERMAL
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.
+12V/+15V
+24V/+15V
R7522
10K
OPT
R7510
10K
L7512
R7563
4.7K
1%
R7558
10K
+2.5V_Normal
R7548
5.1K
5%
Adapter
R7532
0
POWER_ON/OFF2_2
POWER_ON/OFF2_2
R7521
10K
POWER_ON/OFF2_1
C7553
0.1uF
16V
PANEL_VCC
C7528
100pF
50V
R7567
10K
1%
R7512
33K
1%
C7547
0.1uF
16V
R7533
22K 1%
L7513
3.6uH
NR8040T3R6N
AMP_VCC
R7536
24K
1%
Q7503
2SC3052
E
B
C
C7529
10uF
16V
OPT
R7552
1
R7513
6.2K
1%
+12V/+15V
+12V/+15V
Q7505
2SC3052
E
B
C
R7559
12K
C7570
0.1uF
16V
R7562
27K
1%
C7546
22uF
10V
C7530
1uF
10V
L7511
+3.5V_ST
Q7500
E
B
C
+12V/+15V
L7500
R7565
51K
5%
L7514
3.6uH
NR8040T3R6N
C7525
0.01uF
25V
POWER_DET
R7527
22K
R7566
1.5K
1%
IC7506
AOZ1073AIL
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
C7562
100pF
50V
OPT
C7550
10uF
25V
C7560
2200pF
C7565
100pF
50V
C7520
22uF
10V
C7541
1uF
25V
OPT
+5V_Normal
C7516
0.1uF
16V
+1.26V_VDDC
C7549
10uF
25V
+3.3V_Normal
C7534
0.1uF
50V
0.1uF
C7548
POWER_ON/OFF2_2
R7569
10K
OPT
R7524
75K
1/8W
1%
+3.5V_Normal
R7500
10K
Adapter
C7556
10uF
10V
C7551
10uF
25V
L7507
PANEL_CTL
+5V_Normal
R7528
10
1/10W
1%
+3.5V_ST
C7558
2200pF
+24V/+15V
R7557
9.1K
C7552
10uF
25V
POWER_ON/OFF2_1
C7557
0.1uF
16V
R7509
10K
R7547
30K
1%
Adapter
R7564
10K
1%
R7523
22K
L7510
3.6uH
NR8040T3R6N
IC7500
MP8706EN-C247-LF-Z
3
SW_2
2
SW_1
4
BST
1
IN
5
EN/SYNC
6
FB
7
VCC
8
GND
R7539
10K
R7560
10K
C7531
4.7uF
16V
C7563
22uF
10V
C7566
22uF
10V
R7530-*1
22K
5V_PANEL
R7531-*1
2.7K
5V_PANEL
L7515
CIC21J501NE
C7569
0.1uF
16V
+3.5V_ST
+24V/+15V
OLP
R7517
10K
OPT
+3.3V_Normal
+3.5V_ST
Q7502
2SC3052
E
B
C
R7516
10K
INV_CTL
R7515
10K
A_DIM
PWM_DIM
P7500
SMAW200-12
NON_Adapter
1
+15V
2
+15V
3
GND
4
GND
5
+3.5V_ST
6
+3.5V_ST
7
GND
8
OLP
9
INV_ON
10
P_DIM
11
A_DIM
12
NC
R7511
6.8K
OPT
L7504
MLB-201209-0120P-N2
Adapter
+12V/+15V
C7532
10uF
25V
Adapter
C7537
10uF
25V
Adapter
C7536
3.3uF
50V
Adapter
C7540
3.3uF
50V
Adapter
C7533
0.1uF
50V
Adapter
+24V/+15V
C7545
0.1uF
50V
Adapter
C7522
1uF
50V
Adapter
R7561
100K
L7509
3.6uH
NR8040T3R6N
Adapter
D7500
MBRA340T3G
Adapter
C7543
0.1uF
50V
Adapter
+24V/+15V
C7527
0.1uF
50V
Adapter
RL_ON
R7529
100K
Adapter
+3.5V_ST
C7542
3.3uF
50V
Adapter
C7538
10uF
10V
Adapter
R7525
68K
1/16W
5%
Adapter
C7524
220pF
50V
Adapter
R7537
200K
1/8W
1%
Adapter
C7544
0.1uF
50V
Adapter
R7544
105K
1/10W
1%
Adapter
R7543
30K
1/10W
1%
Adapter
R7538
6.8K
1%
Adapter
R7542
22K
OPT
Q7504
Si4800BDY
Adapter
3
S3
2
S2
4
G
1
S1
5
D5
6
D6
7
D7
8
D8
C7507
1uF
6.3V
OPT
R7505
4.7K
C7506
1uF
6.3V
OPT
C7505
0.01uF
50V
C7500
10uF
25V
C7518
0.1uF
16V
C7510
100pF
50V
OPT
C7508
1uF
50V
L7501
3.6uH
NR8040T3R6N
IC7501
MP2212DN
3
IN
2
GND
4
BS
1
FB
5
VCC
6
SW_1
7
SW_2
8
EN/SYNC
C7519
1uF
25V
Adapter
C7509
0.1uF
16V
NON_Adapter
R7503
22K
C7513
22uF
10V
C7511
0.1uF
16V
NON_Adapter
R7504
0
OPT
2012
L7502
MLB-201209-0120P-N2
NON_Adapter
C7512
100pF
50V
OPT
C7501
0.1uF
50V
C7503
2.2uF
50V
C7504
0.1uF
C7517
68uF
35V
L7503
MLB-201209-0120P-N2
NON_Adapter
C7514
0.1uF
50V
OPC_OUT
R7507
0
OPT
R7506
0
R7508
0
OPT
OPC_OUT
R7571
22
Adapter
C7571
10uF
10V
Adapter
R7514
1K
R7572
0
NON_Adapter
+12V/+15V
R7570
18K
Adapter
L7505
5V_PANEL
+3.5V_Normal
R7555
10K
C7559
4.7uF
16V
Q7507
2SC3052
E
B
C
C7554
0.01uF
C7568
0.1uF
16V
R7545
10K
POWER_ON/OFF2_2
+3.5V_ST
C7555
0.1uF
R7551
22K
C7561
1uF
25V
C7526
0.1uF
16V
R7578
10K
R7576
10
1%
C7573
100pF
50V
R7574
11K
5%
L7506
R7575
10K
1%
R7577
0
POWER_ON/OFF1
IC7504
MP2212DN
3
IN
2
GND
4
BS
1
FB
5
VCC
6
SW_1
7
SW_2
8
EN/SYNC
C7576
22uF
10V
C7575
0.1uF
50V
L7516
3.6uH
+1.5V_DDR
+3.5V_ST
C7572
22uF
10V
C7574
1uF
10V
0.1uF
C7577
R7579
0
Adapter
ERROR_OUT
R7580
0
OPT
P7501
SM14B-SRSS-TB
Adapter
1
24V
2
24V
3
24V
4
24V
5
24V
6
GND
7
GND
8
GND
9
GND
10
GND
11
NC
12
INV_ON
13
PWM_DIM
14
ERROR_OUT
15
GND
L7517
12V_PANEL
R7540
120K
1%
Adapter
R7581
1.6K
1/8W
1%
Adapter
C7567
0.1uF
16V
C7578
0.1uF
16V
Q7506
AO3407A
G
D
S
Q7508
AO3407A
G
D
S
Q7501
AO3407A
G
D
S
IC7505
AZ2940D-2.5TRE1
2
GND
3
VOUT
1
VIN
C7515
68uF
35V
NON_Adapter
IC7507
AOZ1072AI
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
R7582
100
1%
+3.5V_ST
R7585
100K LIPS
R7586
100
1%
LIPS
R7548-*1
5.6K
1%
LIPS
R7547-*1
18K
1%
LIPS
R7583
1K
1/16W
1%
LIPS
R7584
27K
1/16W
1%
LIPS
C7580
68uF
35V
C7502
0.1uF
50V
IC7509-*1
G691L293T73UF
DEV_Repalcement
1
GND
2
RESET
3
VCC
+5V_USB
RL_ON
R7832
10K
NON_Adapter
C7913
100pF
50V
OPT
R7851
10K
+12V/+15V
R7850
22
C7919
0.1uF
16V
C7910
10uF
25V
R7852
10K
R7853
33K
1%
C7918
0.1uF
16V
C7920
0.1uF
R7854
6.2K
1%
C7915
22uF
10V
IC7511
MP8706EN-C247-LF-Z
3
SW_2
2
SW_1
4
BST
1
IN
5
EN/SYNC
6
FB
7
VCC
8
GND
L7910
L7911
3.6uH
NR8040T3R6N
C7914
100pF
50V
OPT
C7921
1uF
50V
POWER_ON/OFF2_2
+5V_General
JK7500
JPD003N-M432-4F
Adapter
GND
SW
24V
IC7503
MP4460DQ-LF-Z
Adapter
3
EN
2
SW_2
4
COMP
1
SW_1
5
FB
6
GND
7
FREQ
8
VIN_1
9
VIN_2
10
BST
11
EP_GND
IC7502
MP8670DN-LF-Z
Adapter
3
VCC
2
BST
4
BG
1
SW
5
GND
6
FB
7
EN/SYNC
8
IN
C7922
0.1uF
50V
C7923
0.1uF
50V
R7556
0
R7530
33K
12V_PANEL
R7531
5.6K
12V_PANEL
L7508
4.7uH
SP-7850_4.7
Adapter
L7912
MLB-201209-0120P-N2
Adapter
+24V_LED
+24V_LED_driver
Q7520
Adapter
E
B
C
RL_ON
R7862
22K
Adapter
+24V_LED_driver
C7924
0.1uF
50V
Adapter
C7925
2.2uF
Adapter
50V
R7860
10K
Adapter
+24V_LED
Q7521
Adapter
AO3407A
G
D
S
C7926
0.01uF
50V
Adapter
R7861
27K
Adapter
R7501
27K
C7927
0.1uF
50V
C7928
0.01uF
50V
IC7509
NCP803SN293
1
GND
3
VCC
2
RESET
IC7510
NCP803SN293
1
GND
3
VCC
2
RESET
IC7510-*1
G691L293T73UF
DEV_Repalcement
1
GND
2
RESET
3
VCC
C7933
0.01uF
50V
C7932
3.3uF
50V
R7502
22
1/10W
R7519
22
1/10W
5%
Adapter
L7913
CPI2520NHL3R3ME
POWER_SMALL
GP2_Saturn7
Ver. 1.00
Power_DET
R2
+5V_Normal
3A
+2.5V
3A
Placed on SMD-TOP
R1
Vout=0.8*(1+R1/R2)
+5V_USB
PANEL_POWER
15V-->3.56V
C IN
Vd=550mV
3A
1934 mA
Vout=(1+R1/R2)*0.8
ST_3.5V-->3.5V --> 3.375V
R2
Placed on SMD-TOP
R1
New item
R1
300 mA
+15V Control
R1
24V-->3.48V
Vout=(1+R1/R2)*0.8
MAX 2000mA
R2
2026 mA
Close to IC
2A
Vout=0.8*(1+R1/R2)
Replaced Part
S7 core 1.26V volt
+3.3V_Normal
MAX 1A
R2
UNDER CHECKING
R1
R2
Placed on SMD-TOP
24V->15V
close to pin
24V->3.5V
$0.37
$0.12
$0.21
92
close to IC7502
Switching noise reducing [MPS recommend]
3.3K -> 1K (threshold voltage up)
4A -> 3A modify 090916
090916
090916
+3.5V_Normal
R1
C IN
Replaced Part
Placed on SMD-TOP
S7 DDR 1.5V
R2
Vout=0.8*(1+R1/R2)
Placed on SMD-TOP
Close to IC
3A
1074 mA
real output : 12.3V
Replacement Item
R1
3A
090916
R2
MAX 300mA
To Tuner
Vout=(1+R1/R2)*0.8
LED Driver Power
AO3407A Vgs : 10.8V
AO3407A Vgs : 10.8V
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.
Q7602
2SC3052
Commercial_EU
E
B
C
KEY2
D7605
5.6V
CDS3C05HDMI1
R7619
100
EYEQ/TOUCH_KEY
R7611
22
Commercial
+3.5V_ST
R7615
47K
Commercial
C7609
1000pF
50V
OPT
R7616
47K
Commercial
+3.5V_ST
C7606
0.1uF
16V
C7603
0.1uF
D7602
5.6V
AMOTECH
R7613
47K
Commercial_EU
R7601
100
C7608
100pF
50V
C7605
1000pF
50V
L7603
BLM18PG121SN1D
C7602
0.1uF
LED_R/BUZZ
+3.3V_Normal
+3.5V_ST
C7607
1000pF
50V
D7604
5.6V
CDS3C05HDMI1
R7617
100
C7611
0.1uF
16V
OPT
R7600
100
LED_B/LG_LOGO
C7610
1000pF
50V
OPT
R7614
10K
Commercial_EU
+3.5V_ST
KEY1
L7604
BLM18PG121SN1D
L7602
BLM18PG121SN1D
R7618
100
EYEQ/TOUCH_KEY
C7604
0.1uF
16V
R7622
10K
OPT
Q7603
2SC3052
Commercial
E
B
C
D7606
5.6V
AMOTECH
L7605
BLM18PG121SN1D
IR_OUT
D7603
5.6V
AMOTECH
R7612
0
Commercial_US
R7605
10K
1%
R7606
10K
1%
P7601
12507WR-12L
12PIN_ANGLE
1
2
3
4
5
6
7
8
9
10
11
12
13
R7604
47K
Q7600
2SC3052
E
B
C
R7608
47K
R7607
10K
R7609
47K
R7602
22
+3.5V_ST
Q7601
2SC3052
E
B
C
+3.5V_ST
IR
+3.5V_ST
R7610
3.3K
OPT
R7603
0
OPT
NEC_EEPROM_SCL
NEC_EEPROM_SDA
P7600
12507WR-03L
1
2
3
4
L7600
BLM18PG121SN1D
L7601
BLM18PG121SN1D
C7600
0.1uF
16V
C7601
0.1uF
16V
D7601
5.6V
D7600
5.6V
P7601-*1
12507WS-12L
12PIN_STRAIGHT
1
2
3
4
5
6
7
8
9
10
11
12
13
R7621
1.5K
R7620
1.5K
CONTROL
IR & LED
IR & LED
Zener Diode is
GP2_Saturn7M
COMMERCIAL
Ver. 1.2
6
close to wafer
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.
JP7704
R7727 0
DDC_SCL_1
IC7701
AT24C02BN-10SU-1.8
HDMI_2
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
JP7706
R7738 0
Q7700
2SC3052
E
B
C
R7750 22
+3.5V_ST
R7729
10K
JP7703
R7716 0
R7732
3.3K
C7705
0.1uF
DDC_SDA_2
D2-_HDMI1
R7760
4.7K
R7748 22
R7730
1K
C7700
0.1uF
16V
R7717 22
5V_DET_HDMI_1
R7757
10K
C7703
0.1uF
R7735
100
HDMI_CEC
R7708
100
D2-_HDMI2
R7702
1K
CK+_HDMI4
R7747
22
D2+_HDMI4
R7741 0
D1-_HDMI4
Q7702
2SC3052
E
B
C
DDC_SDA_1
D7701
R7707
22
CK-_HDMI1
R7754
4.7K
CEC_REMOTE_NEC
JK7700
EAG59023302
HDMI_2
14
13
5
D1_GND
20
SHIELD
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
D2+_HDMI2
D7704
ENKMC2838-T112
A
1
C
A
2
DDC_SDA_4
R7734
22
JP7700
D0-_HDMI1
C7701
0.1uF
16V
JP7701
R7723 0
DDC_SCL_2
R7718 22
D0-_HDMI4
DDC_SCL_1
JP7702
R7742 0
R7739 0
D1-_HDMI2
+5V_Normal
D0+_HDMI2
R7722 0
R7710 0
EDID_WP
R7719 100
JP7708
R7744
10K
R7752 22
D7703
R7761
4.7K
CK+_HDMI2
D7702
IC7702
AT24C02BN-10SU-1.8
HDMI_SIDE
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
D1-_HDMI1
R7700
1K
HPD4
R7728
10K
DDC_SDA_1
+5V_Normal
5V_HDMI_4
R7705
3.3K
5V_HDMI_4
R7726 0
D0+_HDMI4
+5V_Normal
R7725 0
R7733
22
R7709 0
R7755
10K
C7702
0.1uF
16V
JP7705
R7736 0
D2-_HDMI4
HDMI_CEC
D1+_HDMI1
CK+_HDMI1
IC7700
AT24C02BN-10SU-1.8
HDMI_1
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R7749
22
CK-_HDMI4
D0+_HDMI1
D1+_HDMI4
D2+_HDMI1
R7759
4.7K
R7721 0
5V_DET_HDMI_4
JP7707
DDC_SDA_4
R7713 0
C7704
0.1uF
R7743 0
R7737 0
D0-_HDMI2
R7703
1.8K
R7701
1.8K
R7731
1.8K
R7714 0
R7753
10K
R7758
4.7K
DDC_SCL_4
5V_HDMI_2
R7762
10K
CK-_HDMI2
JK7701
EAG59023302
HDMI_1
14
13
5
D1_GND
20
SHIELD
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
R7706
22
D7700
R7712 0
EDID_WP
5V_HDMI_2
R7720 0
HDMI_CEC
EDID_WP
D7705
ENKMC2838-T112
A
1
C
A
2
HPD1
R7715 0
D7706
ENKMC2838-T112
A
1
C
A
2
5V_HDMI_1
D1+_HDMI2
HPD2
HDMI_CEC
R7711 0
R7724 0
DDC_SCL_4
R7704
3.3K
C7706
0.1uF
16V
5V_HDMI_1
5V_DET_HDMI_2
R7740 0
Q7701
2SC3052
E
B
C
DDC_SCL_2
R7756
4.7K
DDC_SDA_2
R7751 22
JK7702
EAG42463001
HDMI_SIDE
14
13
5
D1_GND
20
JACK_GND
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
D7707
AVRL161A1R1NT
OPT
Q7703
BSS83
S
B
D
G
R7763
0
OPT
R7745
68K
R7764
68K
BSS83
Q7704
S
B
D
G
R7767
10K
D7708
R7765
68K
+3.3V_Normal
R7768
68K
OPT
R7766
0
OPT
CEC_REMOTE_S7
D7709
AVRL161A1R1NT
OPT
C7707
0.1uF
16V
R7769
0
CEC_ON/OFF
HDMI
GP2_Saturn7M
Ver. 1.2
94
$0.055
$0.253
For CEC
HDMI EEPROM
$0.055
$0.055
HDMI_1
HDMI_2
SIDE_HDMI
$0.253
$0.253
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.
5V_DET_HDMI_3
FRC_RESET
SCAN_BLK1/OPC_OUT
SCAN_BLK2
TP7013
TP7014
TP7016
TP7017
WIRELESS_DL_TX
WIRELESS_DL_RX
TP7018
TP7019
/PIF_SPI_CS
ET_RXER
/RST_PHY
WIRELESS_DETECT
WIRELESS_PWR_EN
TP7032
TP7033
RF_ENABLE
RF_RESET
TP7035
TP7036
TP7020
TP7021
TP7022
M_REMOTE_TX
M_REMOTE_RX
TP7023
TP7024
FRC_SCL
TP7025
FRC_SDA
TP7026
TP7027
UART_FRC_TX
TP7028
UART_FRC_RX
FRC_PWM1
TP7029
TP7030
FRC_PWM0
TP7034
WIRELESS_SW_CTRL
MICOM BLOCK
MAIN1 BLOCK
GP2_Saturn7
Ver. 1.0
TP_SMALL
75
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