DOWNLOAD LG 32LA61XX / 32LA6130 / 32LA613B (CHASSIS:LB31B) Service Manual ↓ Size: 6.28 MB | Pages: 40 in PDF or view online for FREE

Model
32LA61XX 32LA6130 32LA613B (CHASSIS:LB31B)
Pages
40
Size
6.28 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
32la61xx-32la6130-32la613b-chassis-lb31b.pdf
Date

LG 32LA61XX / 32LA6130 / 32LA613B (CHASSIS:LB31B) 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.
+1.8V_TU
R3760
0
HALF_NIM/IF_NON_FILTER
C3743
20pF
50V
OPT
R3741-*1
1K
TU_IIC_NON_ATSC_1K
TU_GND_A
R3704
100
R3740-*1
1K
TU_IIC_NON_ATSC_1K
R3735
33
+3.3V_TU
LNA2_CTL
C3742
20pF
50V
OPT
TUNER_RESET
L3703
CIS21J121
IF_P_MSTAR
R3758
82
OPT
R3736
33
TU_GND_A
DEMOD_SCL
IF_AGC_MAIN
TU3700
TDSS-G201D
TUNER_OPT
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
A1
A1
B1
B1
TU_SDA
+3.3V_TU
C3727
0.1uF
16V
R3733
100K
C3707
100pF
50V
FE_TS_VAL_ERR
C3716
0.1uF
16V
+1.8V_TU
C3708
0.1uF
16V
LNA_CTRL_2
C3738
0.1uF
16V
+3.3V_TU
R3732
100
IC3703
AP1117E18G-13 
2
OUT
3
IN
1
ADJ/GND
R3705
0
OPT
R3784
0
OPT
FE_TS_DATA[0]
TU_SCL
C3737
100pF
50V
+3.3V_TU
C3740
0.1uF
16V
TU_CVBS
TU_SIF
R3761
0
HALF_NIM/IF_NON_FILTER
BR_RESET_DEMOD
R3740
1.8K
TU_IIC_ATSC_1.8K
TU_GND_A
FE_TS_CLK
RF_SWITCH_CTL
C3702
0.1uF
16V
OPT
FE_TS_SYNC
IF_AGC_SEL
C3710
0.1uF
16V
LNA_CTRL_1
C3713
18pF
50V
C3701
0.1uF
16V
DEMOD_SDA
C3717
0.1uF
16V
+3.3V_TU
C3711
18pF
50V
R3741
1.8K
TU_IIC_ATSC_1.8K
C3725
0.1uF
16V
IF_N_MSTAR
+3.3V_Normal
C3723
22uF
6.3V
C3715
22uF
6.3V
R3766
1
C3741-*1
10uF 10V
CAP_X7R_MP
C3741
10uF
10V
CAP_10uF_X5R
85C
TU3700-*1
TDSS-H501F
TUNER_ATSC
5
+B1[3.3V]
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC
9
IF_AGC
8
ALIF_[P]
3
SCL
7
+B2[1.8]
6
ALIF_[N]
12
SHIELD
A1
A1
B1
B1
TU3702
TDSH-G501D
TUNER_ISOLATOR_DVB_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
A1
A1
B1
B1
A2
A2
B2
B2
R3761-*1
10
HALF_NIM/IF_FILTER
R3760-*1
10
HALF_NIM/IF_FILTER
R3714
0
NON_ASIA
R3715
0
NON_ASIA
2012.06.21
should be guarded by ground
TUNER MULTI-OPTION
NC4_S7LRM
GLOBAL tuner block except EU and China
Pull-up can’t be applied 
because of MODEL_OPT_2
close to TUNER
close to TUNER
FE_BOOSTER_CTL
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
close to the tuner pin, add,09029
Close to the tuner
TUNER_NON_EU
Size change,0929
14
FE_AGC_SPEED_CTL
GND seperation for ASIS tuner
CHANGE TO
10UF 10V X5R
CHANGE TO
6.3V 2012 X5R
CHANGE TO
6.3V 2012 X5R
HPF
LPF
Frequence
1
0
0
54MHz~350MHz
TW_FE_LNA FILTER_SETTING
CTRL_1
CTRL_2
0
350Hz~450MHz
450Hz~870MHz
Filter_Type
1
0
Through
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.
COMP2_Pr+
AV2_CVBS_DET
R1714
10K
R1721
12K
R1715
10K
R1719
12K
AV2
R1713
1K
R1707
75
R1704
470K
R1700
470K
AV2
D1706
5.6V
OPT
R1712
1K
COMP2_Pb+
+3.3V_Normal
COMP2_DET
R1701
470K
AV2
R1705
75
R1709
10K
COMP2_R_IN
R1703
470K
D1709
5.6V
OPT
AV2_R_IN
D1702
5.6V
OPT
D1701
5.6V
AV2_LR_ZENER
C1701
1000pF
50V
OPT
R1716
10K
AV2
R1710
10K
C1704
1000pF
50V
OPT
R1706
75
COMP2_L_IN
R1711
1K
AV2
+3.3V_Normal
+3.3V_Normal
D1704
5.6V
COMP_LR_ZENER
R1702
75
AV2
D1700
5.6V
AV2_LR_ZENER
R1718
12K
AV2
R1708
10K
AV2
AV2_CVBS_IN
C1703
47pF
50V
AV2
COMP2_Y+/AV_CVBS_IN
C1702
1000pF
50V
OPT
R1720
12K
AV2_L_IN
R1717
10K
AV2
D1705
5.6V
COMP_LR_ZENER
AV_CVBS_DET
C1705
1000pF
50V
OPT
R1722
0
DTV/MNT_VOUT
R1723
75
CVBS_TEST
+3.3V_Normal
C1706
0.1uF
CVBS_TEST
C1707
0.1uF
CVBS_TEST
4.7uF
C1708
CVBS_TEST
JK1701
PPJ248-01 
COMP_AV1/2
6D
[GN]C-SPRING
7D
[GN]E-LUG
4D
[GN]CONTACT
5E
[BL]C-SPRING
8F
[RD1]E-LUG-S
6F
[RD1]C-SPRING
4F
[RD1]CONTACT
5G
[WH1]C-SPRING
4H
[RD2]CONTACT
6H
[RD2]C-SPRING
7H
[RD2]E-LUG
7A
[YL]E-LUG
6A
[YL]C-SPRING
4A
[YL]CONTACT
5B
[WH2]C-SPRING
4C
[RD3]CONTACT
6C
[RD3]C-SPRING
7C
[RD3]E-LUG
D1711
COMP_Y_ZENER_ROHM
D1703
COMP_Pr_ZENER_ROHM
D1712
COMP_Y_ZENER_ROHM
D1714
AV2_CVBS_ZENER_ROHM
D1713
AV2_CVBS_ZENER_ROHM
D1710
COMP_Pb_ZENER_ROHM
D1708
COMP_Pb_ZENER_ROHM
D1707
COMP_Pr_ZENER_ROHM
D1714-*1
AV2_CVBS_ZENER_KEC
D1713-*1
AV2_CVBS_ZENER_KEC
D1710-*1
COMP_Pb_ZENER_KEC
D1708-*1
COMP_Pb_ZENER_KEC
D1707-*1
COMP_Pr_ZENER_KEC
D1703-*1
COMP_Pr_ZENER_KEC
D1712-*1
COMP_Y_ZENER_KEC
D1711-*1
COMP_Y_ZENER_KEC
JK1702
PPJ245-01 
COMP_AV1
6A
[GN]C-SPRING
7A
[GN]E-LUG
4A
[GN]CONTACT
5B
[BL]C-SPRING
8C
[RD1]E-LUG-S
6C
[RD1]C-SPRING
4C
[RD1]CONTACT
5D
[WH]C-SPRING
4E
[RD2]CONTACT
6E
[RD2]C-SPRING
7E
[RD2]E-LUG
IC1700
MM1756DURE
CVBS_TEST
3
BIAS
2
GND
4
OUT
1
IN
6
VCC
5
PS
2012.08.14
NC4_S7LRM
REAR_NON_EU_L
COMPONENT
&
AV1
17
AV2
COMPONENT1 & AV(COMMON), AV2
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.
LAN
2012/06/21
21
NC4_S7LRM
EPHY_RN
EPHY_TN
EPHY_TP
JK2100
XRJV-01V-0-D12-080
ETHERNET_XMULTIPLE
1
2
3
4
5
6
7
8
9
9
+2.5V_Normal
EPHY_RP
C2104
0.01uF
50V
ETHERNET
L2101
BLM18PG121SN1D
ETHERNET
R2101
49.9
ETHERNET
R2102
49.9
ETHERNET
C2101
0.1uF
ETHERNET
R2104
49.9
ETHERNET
C2102
0.1uF
ETHERNET
R2103
49.9
ETHERNET
JK2100-*1
RJ45VT-01SN002
ETHERNET_XML_EMI
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
ETHERNET
* H/W option : ETHERNET
TH
ER
MA
L
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.
2012/08/29
AMP_STA380BWEF
34
NC4_S7LRM
SPK_L+
+3.5V_ST
AMP_MUTE
AMP_SCL
C3420
0.22uF
50V
R3403
10K
SPK_R-
C3415
1uF
50V
+3.3V_Normal
R3410
43
R3408
43
L3401
CIS21J121
R3404
100
R3402
10K
C3412
1uF
50V
C3424
1000pF
50V
R3401
10K
SPK_L+
P3401
WAFER-ANGLE
1
2
3
4
C3425
1000pF
50V
C3408
0.1uF
16V
C3427
1000pF
50V
C3419
0.22uF
50V
SPK_L-
SPK_L-
+3.3V_Normal
AUD_MASTER_CLK
C3423
0.22uF
50V
C3426
1000pF
50V
C3411
0.1uF
50V
C3416
0.1uF
50V
C3413
330pF
50V
C3422
0.22uF
50V
SPK_R+
Q3401
MMBT3904(NXP)
E
B
C
AUD_LRCH
C3414
330pF
50V
R3409
43
AUD_SCK
AMP_RESET
SPK_R+
R3411
43
C3407
0.1uF
16V
POWER_DET
+24V
C3421
0.22uF
50V
C3401
1000pF
50V
C3409
0.1uF
16V
AMP_SDA
C3418
0.22uF
50V
R3405
0
OPT
SPK_R-
C3404
2.2uF
10V
C3403
0.1uF
16V
AUD_LRCK
R3406
0
R3407
0
IC3401
STA380BWF
1
VCC_REG
2
VSS_REG
3
OUT2B
4
GND2
5
VCC2
6
OUT2A
7
OUT1B
8
VCC1
9
GND1
10
OUT1A
11
VDD_REG
12
GND_REG
1
3
N
C
_
1
1
4
N
C
_
2
1
5
N
C
_
3
1
6
N
C
_
4
1
7
N
C
_
5
1
8
N
C
_
6
1
9
N
C
_
7
2
0
N
C
_
8
2
1
N
C
_
9
2
2
N
C
_
1
0
2
3
N
C
_
1
1
2
4
N
C
_
1
2
25
NC_13
26
NC_14
27
NC_15
28
VDDDIG1
29
GNDDIG1
30
FFX3A
31
FFX3B
32
EAPD/FFX4A
33
TWARNEXT/FFX4B
34
VREGFILT
35
AGNDPLL
36
MCLK
3
7
B
I
C
K
I
3
8
L
R
C
K
I
39
SDI
40
RESET
41
PWDN
42
INTLINE
43
SDA
44
SCL
45
SA
46
TESTMODE
47
GNDDIG2
48
VDDDIG2
49
[EP]
L3404
10uH
L3402
10uH
L3405
10uH
L3403
10uH
C3417
10uF
35V
3216
AUDIO AMP(STA380BWEF)
SPEAKER_R
SPEAKER_L
Page of 40
Display

Click on the first or last page to see other 32LA61XX / 32LA6130 / 32LA613B (CHASSIS:LB31B) service manuals if exist.