LG 32LS3500 / 32LS3510 (CHASSIS:LA25A) Service Manual ▷ View online
THERMAL
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.
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.
FE_TS_DATA[1]
FE_TS_DATA[2]
FE_TS_DATA[5]
FE_TS_DATA[3]
FE_TS_DATA[4]
FE_TS_DATA[0]
FE_TS_DATA[7]
FE_TS_DATA[6]
IF_AGC_SEL
C3737
100pF
50V
100pF
50V
C3743
20pF
50V
TU_I2C_FILTER
20pF
50V
TU_I2C_FILTER
C3739
10uF
6.3V
10uF
6.3V
OPT
DEMOD_SCL
C3730
10uF
10V
10uF
10V
FULL_NIM
R3705
0
RF_SW_OPT
C3711
18pF
50V
18pF
50V
TU_I2C_NON_FILTER
R3758
82
82
R3732
100
100
R3748
11K
11K
FULL_NIM_BCD
R3733
100K
TU_CVBS
C3708
0.1uF
16V
16V
R3771
10K
FULL_NIM_OPT
C3715
22uF
10V
22uF
10V
R3756
0
TU_NON_BUFFER
C3702
0.1uF
16V
NON_ASIA
C3729
0.1uF
16V
FULL_NIM
R3749
0
TU_BUFFER
IF_AGC_MAIN
L3704
FULL_NIM
+3.3V_TU
IF_N_MSTAR
C3727
0.1uF
16V
DEMOD_RESET
C3705
100uF
16V
16V
OPT
R3740-*1
1K
TU_IIC_NON_ATSC_1K
+3.3V_TU
IC3701
AP2132MP-2.5TRG1
FULL_NIM_BCD
3
VIN
2
EN
4
VCTRL
1
PG
5
NC
6
VOUT
7
ADJ
8
GND
9
[EP]
LNA2_CTL
RF_SWITCH_CTL
R3760
0
HALF_NIM
+3.3V_TU
R3769
10K
FULL_NIM
TU3700-*1
TDSS-H101F
SI2176_ATSC_1INPUT_H
5
+B1[3.3V]
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC
9
IF_AGC
8
CVBS
3
SCL
7
+B2[1.8V]
6
SIF
12
SHIELD
+1.8V_TU
C3741
10uF
10V
10uF
10V
+3.3V_TU
R3741-*1
1K
TU_IIC_NON_ATSC_1K
C3716
0.1uF
16V
HALF_NIM
C3717
0.1uF
16V
+1.23V_TU
+5V_Normal
DEMOD_SDA
C3710
0.1uF
16V
TUNER_RESET
FE_TS_DATA[0-7]
R3753
4.7K
TU_BUFFER
TU_SDA
C3740
0.1uF
16V
C3707
100pF
50V
100pF
50V
TU_SIF
R3775
0
0
TU_NON_BUFFER
+3.3V_Normal
+3.3V_TU
R3761
0
HALF_NIM
+3.3V_TU
+3.3V_TU
C3713
18pF
50V
TU_I2C_NON_FILTER
18pF
50V
TU_I2C_NON_FILTER
R3750
1K
OPT
+1.8V_TU
FE_TS_SYNC
IF_P_MSTAR
C3725
0.1uF
16V
16V
TU_SCL
C3738
0.1uF
16V
0.1uF
16V
C3701
0.1uF
16V
0.1uF
16V
C3718
0.1uF
16V
FULL_NIM
+1.23V_TU
FE_TS_CLK
C3723
22uF
10V
22uF
10V
FE_TS_VAL_ERR
C3742
20pF
50V
20pF
50V
TU_I2C_FILTER
TU3703
TDSN_B001F
TDSN_B001F
SI2176_BR_2INPUT_H
1
RF_S/W_CTL
2
RESET
3
SCL
4
SDA
5
+B1[3.3V]
6
SIF
7
+B2[1.8V]
8
CVBS
9
NC_1
10
NC_2
11
NC_3
12
+B3[3.3V]
13
+B4[1.23V]
14
NC_4
15
GND
16
ERROR
17
SYNC
18
VALID
19
MCLK
20
D0
21
D1
22
D2
23
D3
24
D4
25
D5
26
D6
27
D7
28
SHIELD
TU3704
TDSH-T101F
SI2176_TW_2INPUT_H
5
+B1[3.3V]
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
RF_S/W_CTL
9
IF_AGC
8
CVBS
3
SCL
7
+B2[1.8V]
6
SIF
12
SHIELD
R3751
220
TU_BUFFER
R3752
220
TU_BUFFER
R3766
1
1
R3774
470
TU_BUFFER
R3747
20K
1005
FULL_NIM_BCD
R3776
10K
10K
FULL_NIM_BCD
R3785
0
ASIA
R3782
2K
2K
ASIA
R3786
0
ASIA
C3751
10pF
50V
10pF
50V
ASIA
C3750
10pF
50V
ASIA
10pF
50V
ASIA
R3783
0
NON_ASIA
C3702-*1
0
ASIA
R3784
0
NON_ASIA
IC3701-*1
TJ4220GDP-ADJ
FULL_NIM_TJ
3
VIN3
2
EN2
4
NC4
1
NC_1
5
NC_2
6
VOUT
7
ADJ/SENSE
8
GND
9
[EP]GND
R3748-*1
5.1K
5.1K
FULL_NIM
R3776-*1
0
0
FULL_NIM_TJ
R3747-*1
9.1K
9.1K
FULL_NIM_TJ
IC3703
AP1117E18G-13
2
OUT
3
IN
1
ADJ/GND
L3703
CIS21J121
L3706
120
FULL_NIM
Q3703
MMBT3906(NXP)
TU_BUFFER
E
B
C
Q3705
MMBT3906(NXP)
TU_BUFFER
E
B
C
R3713
0
0
FULL_NIM_BCD
R3710
200
1%
OPT
R3704
100
HALF_NIM
R3740
1.8K
TU_IIC_ATSC_1.8K
R3741
1.8K
TU_IIC_ATSC_1.8K
R3741-*2
1.2K
TU_IIC_ATSC_1.2K
TU_IIC_ATSC_1.2K
R3740-*2
1.2K
TU_IIC_ATSC_1.2K
TU3700
TDSS-G201D
SI2156_DVB_1INPUT_H
5
+B1[3.3V]
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC_1
9
IF_AGC
8
NC_3
3
SCL
7
+B2[1.8V]
6
NC_2
12
SHIELD
R3780
390
ASIA
R3781
390
ASIA
R3741-*3
2.2K
TU_IIC_BR_2.2K
R3740-*3
2.2K
TU_IIC_BR_2.2K
R3735
TU_I2C_NON_FILTER
33
R3736
TU_I2C_NON_FILTER
33
C3711-*1
20pF
50V
20pF
50V
TU_I2C_FILTER
C3713-*1
20pF
50V
20pF
50V
TU_I2C_FILTER
R3735-*1
TU_I2C_FILTER
R3736-*1
TU_I2C_FILTER
R3711
0
TUNER_NON_EU
GP4L_S7LR2
2011.10.11
14
R1
should be guarded by ground
FE_BOOSTER_CTL
380mA
R2
close to the tuner pin, add,09029
Close to the CI Slot
FE_AGC_SPEED_CTL
Pull-up can’t be applied
because of MODEL_OPT_2
because of MODEL_OPT_2
60mA
close to TUNER
Close to the tuner
BCD Vo=0.6*(1+R1/R2)
Add,0929
TUNER MULTI-OPTION
1. should be guarded by ground
2. No via on both of them
3. Signal Width >= 12mils
Signal to Signal Width = 12mils
Ground Width >= 24mils
2. No via on both of them
3. Signal Width >= 12mils
Signal to Signal Width = 12mils
Ground Width >= 24mils
Size change,0929
close to TUNER
GLOBAL tuner block except EU and China
TJ Vo=0.8*(1+R1/R2)
Vo=VREF*(1+R2/R1)
VREF = 1.25V
R1
R2
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.
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.
AMP_SCL
D501
100V
1N4148W
OPT
R517
4.7K
0.1uF
C538
50V
+24V_AMP
C505
1000pF
50V
R520
10K
NON_LIPS
0.1uF
C519
50V
SPK_L-
SPK_L+
R502
10K
NON_LIPS
AMP_MUTE
0.1uF
C508
16V
C504
1000pF
50V
C526
22000pF
22000pF
50V
0.1uF
C501
50V
C518
22000pF
50V
R506
100
NON_LIPS
R507
3.3
3.3
OPT
0.1uF
C537
50V
+3.5V_ST
L505
10.0uH
10.0uH
+24V
R519
4.7K
D503
100V
1N4148W
OPT
0.1uF
C513
16V
L502
BLM18PG121SN1D
AUD_LRCH
AUD_LRCK
C535
0.47uF
50V
0.1uF
C521
50V
C534
1uF
25V
1uF
25V
AMP_RESET
C527
22000pF
50V
22000pF
50V
C517
22000pF
50V
D502
100V
1N4148W
OPT
L504
10.0uH
10.0uH
0.1uF
C514
16V
C509
33pF
50V
33pF
50V
SPK_R+
R518
4.7K
C510
10uF
10V
OPT
C529
1uF
25V
25V
R521
10K
0.1uF
C522
50V
P501
WAFER-ANGLE
1
2
3
4
R501
10K
NON_LIPS
AMP_SDA
SPK_R-
C532
390pF
50V
AUD_SCK
+24V_AMP
L506
10.0uH
10.0uH
D504
100V
1N4148W
OPT
0.1uF
C539
50V
SPK_R-
0.1uF
C540
50V
C531
390pF
50V
AUD_MASTER_CLK
0.1uF
C502
50V
R503
100
C515
10uF
10V
10uF
10V
SPK_R+
C523
10uF
35V
10uF
35V
C507
33pF
50V
33pF
50V
C516
1000pF
50V
C503
100pF
50V
SPK_L-
R516
4.7K
+24V_AMP
C528
1uF
25V
1uF
25V
C511
10uF
10uF
10V
OPT
R504
100
0.1uF
C520
50V
C512
0.1uF
16V
R505
3.3K
C536
0.47uF
50V
C533
390pF
50V
C530
390pF
50V
L503
10.0uH
10.0uH
+3.3V_Normal
C524
10uF
35V
SPK_L+
R522
0
0
LIPS_ONLY
POWER_DET
C506
4.7uF
16V
OPT
C525
0.01uF
50V
0.01uF
50V
OPT
R508
12
R509
12
R510
12
R511
12
R512
12
R514
12
R513
12
R515
12
Q501
MMBT3904(NXP)
NON_LIPS
E
B
C
L501
CIS21J121
IC501
NTP-7500L
1
AGND_PLL
2
AVDD_PLL
3
DVDD_PLL
4
LF
5
DGND_PLL
6
GND_1
7
DGND
8
DVDD
9
SDATA
10
WCK
11
BCK
12
SDA
13
SCL
14
/FAULT
15
MONITOR0
16
MONITOR1
17
MONITOR2
18
BST2B
19
PGND2B
20
OUT2B_1
21
OUT2B_2
22
PVDD2_1
23
PVDD2_2
24
PVDD2_3
25
OUT2A_1
26
OUT2A_2
27
PGND2A
28
BST2A
29
VDR2
30
AGND
31
VCC_5
32
VDR1
33
BST1B
34
PGND1B
35
OUT1B_1
36
OUT1B_2
37
PVDD1_1
38
PVDD1_2
39
PVDD1_3
40
OUT1A_1
41
OUT1A_2
42
PGND1A
43
BST1A
44
/RESET
45
AD
46
GND_IO
47
CLK_I
48
VDD_IO
49
[EP]
NTP-7500
2011.10.04
16
GP4L_S7LR2
SPEAKER_L
SPEAKER_R
Audio amp(NTP-7500)
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.
2011/08/17
IR/CONTROL_W/O_IR_OUT
23
GP4L_S7LR2
JP2407
SENSOR_SCL
SENSOR_SDA
L2403
BLM18PG121SN1D
C2408
18pF
50V
18pF
50V
OPT
C2402
0.1uF
R2401
100
100
C2407
100pF
100pF
50V
KEY2
C2410
0.1uF
16V
OPT
JP2409
+3.5V_ST
+3.5V_ST
C2409
18pF
18pF
50V
OPT
LED_R/BUZZ
C2403
0.1uF
16V
R2402
100
100
JP2408
R2412
100
C2401
0.1uF
R2413
1.5K
R2411
100
100
L2402
BLM18PG121SN1D
JP2410
KEY1
C2404
1000pF
50V
L2401
BLM18PG121SN1D
IR
P2400
12507WR-10L
1
2
3
4
5
6
7
8
9
10
11
R2404
10K
1%
R2405
10K
1%
+3.5V_ST
D2401
5.6V
AMOTECH CO., LTD.
OPT
D2402
5.6V
AMOTECH CO., LTD.
OPT
D2404
5.48VTO5.76V
D2405
5.48VTO5.76V
D2403
5.48VTO5.76V
IR_OUT
LED_B/LG_LOGO
R2426
3.3K
IR/LED and control for on.y ’12 sub without IR-OUT.
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.
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.
SMALL_TN_LED_DRIVER
2011/08/19
29
GP4L_S7LR2
C10012
2.2uF
100V
2.2uF
100V
LED_DRIVER
C10015
1000pF
1000pF
50V
LED_DRIVER
WLED_ENABLE
C10007
0.33uF
50V
0.33uF
50V
LED_DRIVER
R10011
47K
1/10W
1%
AUO_CPT
C10006
2200pF
50V
50V
LED_DRIVER
R10022
0
1/10W
5%
LED_DRIVER_LGD
P10001
12507WR-06L
LED_DRIVER_NON_LGD
1
2
3
4
5
6
7
ERROR_OUT
R10012
5.1
5.1
OPT
R10001
100
1/10W
LED_DRIVER
R10023
0
1/10W
5%
LED_DRIVER_LGD
R10002
10K
1/10W
10K
1/10W
OPT
R10016
3K
1/8W
LED_DRIVER
C10002
2.2uF
50V
2.2uF
50V
LED_DRIVER
C10009
1uF
10V
1uF
10V
LED_DRIVER
R10020
0
0
1/10W
5%
5%
LED_DRIVER_NON_LGD
C10010
1000pF
1000pF
50V
OPT
PWM_DIM
C10020
2.2uF
100V
2.2uF
100V
OPT
R10005
100
1/10W
OPT
R10011-*1
27K
1/10W
27K
1/10W
1%
LGD
LGD
R10019
16K
1/10W
18.5"
D10001
PDS5100H-13
LED_DRIVER
+24V_LED_driver
C10017
1000pF
1000pF
50V
LED_DRIVER
C10008
0.1uF
50V
0.1uF
50V
LED_DRIVER
R10013
51K
1/10W
5%
AUO_CPT
C10005
0.1uF
0.1uF
50V
LED_DRIVER
C10003
100pF
50V
LED_DRIVER
R10024
3.9K
3.9K
PWM_PULL_DOWN
Q10001
AP18T10GH
LED_DRIVER
S
D
G
R10007
4.7
4.7
1/10W
LED_DRIVER
P10000
10031HR-H06
LED_DRIVER_LGD
1
2
3
4
5
6
7
C10013
1000pF
1000pF
50V
LED_DRIVER
C10004
100pF
50V
LED_DRIVER
R10009
51K
1%
1%
OPT
L10001
33uH
LED_DRIVER
R10014
7.5K
1/8W
1/8W
LED_DRIVER
C10021
0.1uF
50V
LED_DRIVER
R10013-*1
27K
1/10W
27K
1/10W
1%
LGD
R10017
0.1
1%
0.1
1%
LED_DRIVER
R10004
100K
1/10W
LED_DRIVER
R10010
10K
1/8W
LED_DRIVER
C10001
2.2uF
50V
2.2uF
50V
LED_DRIVER
R10015
12
LED_DRIVER
R10018
560K
1/10W
LED_DRIVER
R10003
100
1/10W
LED_DRIVER
R10008
16K
1%
1%
LED_DRIVER
C10014
10uF
100V
10uF
100V
LED_DRIVER
IC10000
MAX16814
LED_DRIVER
1
IN
3
COMP
7
SETI
9
SGND
10
DIM
11
OUT1
12
OUT2
13
LEDGND
14
OUT3
15
OUT4
16
CS
17
PGND
18
NDRV
19
DRV
20
VCC
5
FLT
8
RSDT
6
OVP
4
RT
2
EN
21
[EP]PGND/LEDGND
R10006
390
1/10W
LED_DRIVER
R10021
0
0
1/10W
5%
5%
LED_DRIVER_NON_LGD
R10019-*1
11K
1/10W
11K
1/10W
21.5"
C10011
1000pF
1000pF
50V
OPT
C10018
2.2uF
100V
2.2uF
100V
LED_DRIVER
C10019
1000pF
1000pF
50V
LED_DRIVER
R10011-*3
39K
1/10W
1%
1%
CMI_21.6"
R10013-*3
56K
1/10W
1%
1%
CMI_21.6"
R10019-*2
16K
1/10W
16K
1/10W
CMI_21.6"
R10011-*2
39K
1/10W
1%
1%
CMI_18.5"
R10013-*2
56K
1/10W
1%
1/10W
1%
CMI_18.5"
R10019-*3
22K
1/10W
22K
1/10W
CMI_18.5"
LGD_21.5_FHD
R10011
LED driver circuit for TN module
70mA_Max
44.28V
AUO_21.5_FHD
48.0
CMI_21.6
63.85V
R10019
CMI_21.6
11Kohm
wafer modify & resister add
C104 : 10uF --> 2.2nF
57.6V_Max
61.35mA
27Kohm
must be modifed
AUO_18.5
24.8V_Typ
46.4
36.0V_Max
CMI_21.6_FHD
33.6
F=7.35x10^9/RT
AUO_18.5_HD
57.6V_Max
51.2
560Kohm
111.11mA
CPT_21.5
Max
C106 : 0.68uF --> 0.33uF
560Kohm
63.85V
36.0
-
110mA_Typ
Forward voltage spec.
22Kohm
2010.06.30. hwson
for thermal Issue
for thermal Issue
52.0V_Typ
R120 : 6.8K --> 3K
CMI_18.51
Module
11Kohm
51Kohm
R113/R114
34.0V_Typ
52.8V_Typ
16Kohm
LGD_21.5
Vs spec
16Kohm
AUO_18.5
close to IC10000
2010.02.07 for PQ/19V_LED
56.0
44.28V
57.6
560Kohm
51.2V_Typ
AUO_21.5
27.2
30.0
-
Typ
OVP = 1.23*(1+R1/R2)
ILED spec
Remark
56.0V_Max
AUO_21.5
65.24mA
ESD protection solution
27.2V_Max
40.8
close to IC10000
24.8
37.8V_Typ
63.85V
Remark
63mA_Max
32.54V
120mA_Max
CMI_18.51
34.0
11Kohm
60mA_Typ
min
40.8V_Max
Operating Freq.
560Kohm
37.8
CMI_18.51_HD
2010.06.30 HWSON
R10013
Module
ILED = 1500/RSETI
57.6
LGD_21.5
27Kohm
CPT_21.5_FHD
65mA_Typ
52.8
R121 : 0.03 --> 0.1
52.0
R111 : 470 --> 390
Module
560Kohm
R10018
47Kohm
CPT_21.5
must be modifed
560Kohm
65mA_Typ
70mA_Max
70mA_Max
39Kohm
56Kohm
65.24mA
39Kohm
56Kohm
Click on the first or last page to see other 32LS3500 / 32LS3510 (CHASSIS:LA25A) service manuals if exist.