THERMAL
THERMAL
THERMAL
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
2013/12/02
NTP_3AMP
39
L14
Tw
SPK_L-
P3901
WAFER-ANGLE
1
2
3
4
Tweeter_L-
SPK_L+
WOOFER_L/R+
WOOFER_L/R-
+24V_AMP_1
0.1uF
C3945
50V
0.1uF
C3951
50V
L3903
CIS21J121
+24V
C3985
0.01uF
50V
OPT
Q3402
MMBT3904(NXP)
E
B
C
R3941
100
+3.5V_ST
R3946
12
0.1uF
C3982
50V
R3945
3.3
OPT
AUD_LRCH
AMP_MUTE
0.1uF
C3981
50V
C3994
0.47uF
50V
C3983
10uF
35V
R3943
100
C3991
390pF
50V
AMP_RESET
C3971
0.1uF
16V
OPT
C3970
33pF
50V
C3975
10uF
10V
0.1uF
C3980
50V
URSA/VCOM_SCL
C3978
22000pF
50V
C3986
22000pF
50V
C3984
10uF
35V
C3987
22000pF
50V
R3949
12
C3969
33pF
50V
L3912
BLM18PG121SN1D
+3.3V_Normal
C3977
22000pF
50V
WOOFER_L/R+
R3951
5.1K
R3948
12
POWER_DET
R3944
100
+24V_AMP_3
C3989
1uF
10V
0.1uF
C3974
16V
1uF
C3972
10V
R3942
100
OPT
C3988
1uF
10V
0.1uF
C3996
50V
R3947
12
L3914
SP-7850_10
10uH
WOOFER_L/R-
R3940
10K
0.1uF
C3979
50V
+24V_AMP_3
URSA/VCOM_SDA
C3976
1000pF
50V
AUD_SCK
C3992
390pF
50V
C3968
1000pF
50V
R3939
10K
0.1uF
C3995
50V
AUD_MASTER_CLK
C3973
0.1uF
16V
R3950
5.1K
AUD_LRCK
L3915
SP-7850_10
10uH
AMP_RESET
0.1uF
C3926
50V
+24V_AMP_1
R3930
12
+24V_AMP_2
C3954
390pF
50V
0.1uF
C3927
50V
R3912
10K
R3909
100
OPT
0.1uF
C3929
50V
C3933
10uF
35V
R3917
12
R3908
100
C3909
0.1uF
16V
OPT
+3.3V_Normal
AUD_LRCK
C3932
0.01uF
50V
OPT
R3910
100
1uF
C3910
10V
C3941
1uF
10V
C3908
0.1uF
16V
C3902
33pF
50V
C3911
0.1uF
16V
0.1uF
C3925
50V
R3914
3.3
OPT
+24V_AMP_2
R3921
12
C3934
10uF
35V
AUD_SCK
Tweeter_L-
C3918
22000pF
50V
AMP_SCL
R3906
100
OPT
R3905
100
+3.3V_Normal
R3937
5.1K
Q3404
MMBT3904(NXP)
E
B
C
C3905
33pF
50V
R3913
3.3
OPT
AUD_LRCH
C3959
0.47uF
50V
R3938
5.1K
C3916
1000pF
50V
AMP_RESET
L3900
BLM18PG121SN1D
0.1uF
C3924
50V
AUD_LRCH
R3926
12
0.1uF
C3922
50V
0.1uF
C3923
50V
POWER_DET
0.1uF
C3963
50V
Q3403
MMBT3904(NXP)
E
B
C
C3921
22000pF
50V
AMP_SCL
AMP_MUTE
R3925
12
C3915
10uF
10V
0.1uF
C3966
50V
C3943
1uF
10V
C3940
1uF
10V
0.1uF
C3962
50V
C3917
1000pF
50V
C3955
390pF
50V
+24V_AMP_1
R3918
12
R3901
10K
C3900
33pF
50V
0.1uF
C3967
50V
R3929
12
R3900
10K
R3934
5.1K
AMP_SDA
C3935
0.01uF
50V
OPT
R3911
100
C3914
10uF
10V
C3931
10uF
35V
C3903
1000pF
50V
C3957
0.47uF
50V
C3904
33pF
50V
AUD_MASTER_CLK
C3937
22000pF
50V
C3942
1uF
10V
R3922
12
0.1uF
C3928
50V
L3901
BLM18PG121SN1D
C3938
22000pF
50V
R3933
5.1K
R3902
10K
0.1uF
C3913
16V
C3901
1000pF
50V
C3949
390pF
50V
AUD_MASTER_CLK
R3904
100
C3930
10uF
35V
Tw
C3920
22000pF
50V
R3903
10K
R3907
100
C3936
22000pF
50V
AMP_MUTE
C3906
0.1uF
16V
OPT
AUD_SCK
+3.5V_ST
C3939
22000pF
50V
C3950
390pF
50V
C3919
22000pF
50V
AUD_LRCK
AMP_SDA
1uF
C3907
10V
0.1uF
C3912
16V
+3.5V_ST
POWER_DET
L3902
CIS21J121
0.1uF
C3944
50V
+24V
+24V_AMP_2
0.1uF
C3946
50V
L3913
CIS21J121
0.1uF
C3990
50V
+24V
+24V_AMP_3
0.1uF
C3993
50V
IC3900
NTP7514
3
NC_2
2
VDD_PLL
4
GND
1
NC_1
6
DVDD
5
NC_3
7
SDATA
8
WCK
9
BCK
10
SDA
11
SCL
12
FAULT
13
MONITOR_0
14
MONITOR_1
15
MONITOR_2
16
BST2B
17
PGND2B
18
OUT2B
19
PVDD2B
20
PVDD2A
21
OUT2A
22
PGND2A
23
BST2A
24
VDR2
25
AGND
26
NC_4
27
VDR1
28
BST1B
29
PGND1B
30
OUT1B
31
PVDD1B
32
PVDD1A
33
OUT1A
34
PGND1A
35
BST1A
36
RESET
37
AD
38
CLK_I
39
GND_IO
40
VDD_IO
41
[EP]GND
IC3901
NTP7514
3
NC_2
2
VDD_PLL
4
GND
1
NC_1
6
DVDD
5
NC_3
7
SDATA
8
WCK
9
BCK
10
SDA
11
SCL
12
FAULT
13
MONITOR_0
14
MONITOR_1
15
MONITOR_2
16
BST2B
17
PGND2B
18
OUT2B
19
PVDD2B
20
PVDD2A
21
OUT2A
22
PGND2A
23
BST2A
24
VDR2
25
AGND
26
NC_4
27
VDR1
28
BST1B
29
PGND1B
30
OUT1B
31
PVDD1B
32
PVDD1A
33
OUT1A
34
PGND1A
35
BST1A
36
RESET
37
AD
38
CLK_I
39
GND_IO
40
VDD_IO
41
[EP]GND
IC3902
NTP7514
3
NC_2
2
VDD_PLL
4
GND
1
NC_1
6
DVDD
5
NC_3
7
SDATA
8
WCK
9
BCK
10
SDA
11
SCL
12
FAULT
13
MONITOR_0
14
MONITOR_1
15
MONITOR_2
16
BST2B
17
PGND2B
18
OUT2B
19
PVDD2B
20
PVDD2A
21
OUT2A
22
PGND2A
23
BST2A
24
VDR2
25
AGND
26
NC_4
27
VDR1
28
BST1B
29
PGND1B
30
OUT1B
31
PVDD1B
32
PVDD1A
33
OUT1A
34
PGND1A
35
BST1A
36
RESET
37
AD
38
CLK_I
39
GND_IO
40
VDD_IO
41
[EP]GND
R3919
12
R3920
12
C3953
390pF
50V
0.1uF
C3965
50V
R3928
12
C3952
390pF
50V
R3936
5.1K
0.1uF
C3964
50V
R3935
5.1K
C3958
0.47uF
50V
R3927
12
R3915
12
R3916
12
0.1uF
C3961
50V
R3924
12
R3931
5.1K
C3947
390pF
50V
R3923
12
C3948
390pF
50V
C3956
0.47uF
50V
R3932
5.1K
0.1uF
C3960
50V
Tw
Tweeter_R-
Tw
SPK_R+
P3900
WAFER-ANGLE
1
2
3
4
SPK_R-
Tweeter_R-
SPK_L+
SPK_L-
SPK_R+
SPK_R-
P3902
FW25001-02(SPK 2P)
1
2
L3911
NRS6045T100MMGK
TAIYO
10.0uH
L3910
NRS6045T100MMGK
TAIYO
10.0uH
L3908
NRS6045T100MMGK
TAIYO
10.0uH
L3909
NRS6045T100MMGK
TAIYO
10.0uH
L3907
NRS6045T100MMGK
TAIYO
10.0uH
L3906
NRS6045T100MMGK
TAIYO
10.0uH
L3905
NRS6045T100MMGK
TAIYO
10.0uH
L3904
NRS6045T100MMGK
TAIYO
10.0uH
L3911-*1
10uH
ABCO
L3910-*1
10uH
ABCO
L3908-*1
10uH
ABCO
L3909-*1
10uH
ABCO
L3907-*1
10uH
ABCO
L3906-*1
10uH
ABCO
L3905-*1
10uH
ABCO
L3904-*1
10uH
ABCO
AUDIO 3 AMP(NTP7514)
0x54
WOOFER_L
SPEAKER_L
0x56
0x54
SPEAKER_R
SPEAKER_R
SPEAKER_L
Copyright © 2014 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only
Содержание 32LB5650
Страница 31: ......
Страница 32: ...L14 Repair Process ...
Страница 61: ...Appendix Exchange PSU LED driver No Light Dim Light Dim Light Dim Light No picture Sound Ok ...