LG 52LG65YD-AC (CHASSIS:LB81C) 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.
HDMI
D2+_HDMI3
CK+_HDMI4
HDMI_SCL
R747
0
OPT
R7003
0
HPD4
R749
0
OPT
R725
47K
HPD3
R732
22
OPT
R781
0
+3.3V_VDDP_ST
HPD1
DDC_SCL_4
007:V9;007:AE24
CK+_HDMI1
R718
0
OPT
DDC_SCL_1
C711
0.1uF
C718
0.1uF
R779
0
R708
0
R794
4.7K
OPT
EEPROM_WP
D0-_HDMI4
DDC_SDA_4
D2+_HDMI4
+3.3V_HDMI_ST
D2+_HDMI2
R750
0
OPT
R762
4.7K
OPT
+3.3V_VDDP_ST
HDMI_CLK+
R797
4.7K
R7007
36K
OPT
+5V_ST
R702
3.6K
GND
R703
1K
+5V_ST
+5V_ST
C707 0.1uF
Q703
2SC3052
E
B
C
+3.3V_VDDP_ST
R731
22
OPT
CK+_HDMI2
GND
R705
1K
C720
0.1uF
CK+_HDMI1
5V_HDMI_1
R745
0
R756
22
OPT
5V_HDMI_4
D1+_HDMI3
C705
0.1uF
D2-_HDMI2
R774
0OPT
R728
0
OPT
R7900
IC702
AT24C02BN-10SU-1.8
OPT
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R755
22
OPT
D2+_HDMI2
R701
3.6K
5V_HDMI_1
R784
100
OPT
C704 0.1uF
R768
0
HDMI_RX0-
DDC_SCL_3
Q704
2SC3052
E
B
C
R740
0
OPT
R772
0
R741
3.6K
D2-_HDMI1
HDMI_CEC
001:J20;007:AF11
CK-_HDMI4
HPD
CK-_HDMI2
R780
0
D1+_HDMI1
D1-_HDMI1
R743
27K
R7005
36K
OPT
R7006
0
D2+_HDMI1
R709
0
DDC_SCL_1
R788
0
OPT
D2-_HDMI4
R730
22
OPT
R766
0
DDC_SDA_3
R710
0
CK-_HDMI1
CK+_HDMI3
D705
ENKMC2838-T112
A1
C
A2
DDC_SCL_3
R714
0
C716
0.1uF
R746
0
DDC_SDA_1
5V_HDMI_2
D1+_HDMI4
+3.3V_VDDP_ST
5V_HDMI_2
HDMI_RX0+
IC703
AT24C02BN-10SU-1.8
OPT
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
D2-_HDMI3
D701
ENKMC2838-T112
A1
C
A2
D0+_HDMI2
BSS83
Q705
S
BD
G
D0-_HDMI1
CK-_HDMI3
DDC_SCL_2
C709
0.1uF
DDC_SDA_3
DDC_SCL_2
R729
0
OPT
D1-_HDMI4
R744
0
OPT
R7910
HDMI_CEC
GND
R727
47K
PS421/NTP_SDA
008:H15;001:H24
D702
ENKMC2838-T112
A1
C
A2
R711
0
R706
1K
CK+_HDMI3
SDA_EYEQ/AMP
Q701
2SC3052
E
B
C
R713
0
D0+_HDMI4
R716
0
OPT
D0-_HDMI2
D0+_HDMI1
C701
0.1uF
50V
HPD2
PS421/NTP_SCL
R765
36K
OPT
D1-_HDMI2
R742
1K
DDC_SCL_2
007:H17;007:AJ9
D0-_HDMI2
EEPROM_WP
CEC_REMOTE
007:F26;007:F17;007:O16;007:T8
D704
MMBD301LT1G
30V
A
C
D1+_HDMI2
CK-_HDMI4
D0+_HDMI1
DDC_SCL_3
EEPROM_WP
CK-_HDMI3
5V_HDMI_3
001:H24;007:O23;007:AD13
D0-_HDMI3
D1+_HDMI1
HDMI_RX2-
GND
C712
0.1uF
R783
100
OPT
CEC_REMOTE
DDC_SDA_2
CEC_REMOTE
007:F8;007:F26;007:F17;007:T8
R773
0
D0-_HDMI3
D1+_HDMI4
HDMI_RX2+
R707
0
R764
0
HPD1
CK-_HDMI2
R775
0
OPT
D0-_HDMI1
D0-_HDMI4
R753
22
OPT
R704
3.6K
D706
ENKMC2838-T112
A1
C
A2
HPD2
DDC_SDA_4
R796
4.7K
OPT
5V_HDMI_4
DDC_SCL_1
R771
0
5V_HDMI_3
D2-_HDMI2
R754
22
OPT
DDC_SCL_4
D1-_HDMI3
DDC_SDA_1
HDMI_RX1+
DDC_SCL_4
DDC_SDA_4
+5V_ST
R7008
0
R719
0
OPT
CK+_HDMI2
R770
0
5V_HDMI_3
R795
510
HPD4
HDMI_RX1-
R761
4.7K
OPT
Q702
2SC3052
E
B
C
R715
0
C702
0.1uF
50V
R776
4.7K
OPT
D2+_HDMI4
R769
0
D2+_HDMI3
D1-_HDMI2
R7920
C715
2.2uF
R7001
0
R789
0
OPT
R712
0
R787
0
OPT
R737
68K
R798
0
5V_HDMI_2
001:H23;007:W29;007:AM11
+3.3V_VDDP_ST
D1-_HDMI1
C706
0.1uF
50V
GND
D0+_HDMI4
D1+_HDMI2
CK-_HDMI1
DDC_SDA_3
HDMI_CLK-
C710
0.1uF
C714
0.1uF
HPD3
007:AF11
R738
0
OPT
D1+_HDMI3
D2-_HDMI4
IC701
AT24C02BN-10SU-1.8
OPT
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
D0+_HDMI2
R7002
0
EEPROM_WP
D703
OPT
D1-_HDMI3
C717
0.1uF
5V_HDMI_1
001:H23;007:O28;007:AK25
SCL_EYEQ/AMP
CEC_REMOTE
R763
36K
OPT
CEC_REMOTE
D0+_HDMI3
R786
0
OPT
D1-_HDMI4
R7004
0
D2-_HDMI3
D0+_HDMI3
D2-_HDMI1
GND
C703
0.1uF
50V
D2+_HDMI1
R767
4.7K
OPT
R733
22
OPT
DDC_SDA_2
R752
47K
R723
47K
IC704
AT24C02BN-10SU-1.8
OPT
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
DDC_SDA_2
HDMI_SDA
JK704
DC1R019NBH
EAG42025501
14
NC
13
CEC
5
DATA1_SHIELD
20
JACK_GND
12
CLK-
11
CLK_SHIELD
2
DATA2_SHIELD
19
HPD
18
+5V_POWER
10
CLK+
4
DATA1+
1
DATA2+
17
DDC/CEC_GND
9
DATA0-
8
DATA0_SHIELD
3
DATA2-
16
SDA
7
DATA0+
6
DATA1-
15
SCL
DDC_SDA_1
C719
0.1uF
R799
0
CK+_HDMI4
5V_HDMI_4
C713
0.1uF
C708 0.1uF
R722
1K
R724
1K
R726
1K
R751
1K
JK702
EAG39789401
1
D2+
2
D2_GND
3
D2-
4
D1+
5
D1_GND
6
D1-
7
D0+
8
D0_GND
9
D0-
10
CK+
11
12
13
14
15
16
17
18
19
20
GND
21
GND
22
JK701
EAG39789401
1
D2+
2
D2_GND
3
D2-
4
D1+
5
D1_GND
6
D1-
7
D0+
8
D0_GND
9
D0-
10
CK+
11
12
13
14
15
16
17
18
19
20
GND
21
GND
22
JK703
EAG39789401
1
D2+
2
D2_GND
3
D2-
4
D1+
5
D1_GND
6
D1-
7
D0+
8
D0_GND
9
D0-
10
CK+
11
12
13
14
15
16
17
18
19
20
GND
21
GND
22
R7009
0
R7010
0
OPT
+3.3V_CI
R777
3.3K
R778
3.3K
JP7010
JP7009
JP7003
JP7004
JP7005
JP7006
JP7002
JP7001
JP7007
JP7008
JP7012
JP7011
R735
10K
R739
10K
R757
10K
R758
10K
R759
10K
R734 10K
R760
10K
R736
10K
R7850
R7011
0
IC705
PS421
1
SCL1
2
SDA1
3
GPD1
4
POW1
5
CEC
6
DDCBUF_EN
7
GND_1
8
CEXT
9
PC0/I2C_RST
10
PC1/I2C_ADDR1
11
TEST
12
VCC_1
13
ECE_IN
14
CEC_OUT
15
S1/SDA_CTL
16
S2/SCL_CTL
17
S3/I2C_ADDR0
18
OE#/POWDN
19
I2C_CTL_EN
20
REXT
21
GND_2
22
POW4
23
HPD4
24
SDA4
25
SCL4
26
GND_3
27
IN4D1N
28
IN4D1P
29
VCC_2
30
IN4D2N
31
IN4D2P
32
GND_4
33
IN4D3N
34
IN4D3P
35
VCC_3
36
IN4D4N
37
IN4D4P
38
GND_5
39
IN3D1N
40
IN3D1P
41
VCC_4
42
IN3D2N
43
IN3D2P
44
GND_6
45
IN3D3N
46
IN3D3P
47
VCC_5
48
IN3D4N
49
IN3D4P
50
GND_7
51
SCL3
52
SDA3
53
HPD3
54
POW3
55
GND_8
56
OUT_D4P
57
OUT_D4N
58
VCC_6
59
OUT_D3P
60
OUT_D3N
61
GND_9
62
OUT_D2P
63
OUT_D2N
64
VCC_7
65
OUT_D1P
66
OUT_D1N
67
GND_10
68
SCL_SINK
69
SDA_SINK
70
HPD_SINK
71
POW_SINK
72
POW2
73
HPD2
74
SDA2
75
SCL2
76
GND_11
77
IN2D1N
78
IN2D1P
79
VCC_8
80
IN2D2N
81
IN2D2P
82
GND_12
83
IN2D3N
84
IN2D3P
85
VCC_9
86
IN2D4N
87
IN2D4P
88
GND_13
89
IN1D1N
90
IN1D1P
91
VCC_10
92
IN1D2N
93
IN1D2P
94
GND_14
95
IN1D3N
96
IN1D3P
97
VCC_11
98
IN1D4N
99
IN1D4P
100
GND_15
R793
0
R782
0
R720
1K
R721
1K
R717
1K
R748
1K
R7019
2.7K
R7020
2.7K
R7021
0
OPT
PS421_RST
SIDE HDMI
UI_HW_PORT3
UI_HW_PORT1
UI_HW_PORT2
UI_HW_PORT4
C
2008
Fiber Optic
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.
AMP
COMP1_R_IN
R805
680K
R816
680K
+5V_GENERAL
R818 10K
+5V_GENERAL
C803
2.2uF
50V
COMP_L
C812
2.2uF 50V
COMP2_L_IN
+5V_GENERAL
R812
680K
COMP1_L_IN
IC801
MC74HC4066ADR2G
3
YB
2
YA
4
XB
1
XA
6
CONTROL_C
5
CONTROL_B
7
GND
8
XC
9
YC
10
YD
11
XD
12
CONTROL_D
13
CONTROL_A
14
VCC
+5V_GENERAL
COMP2_R_IN
+5V_GENERAL
C804
2.2uF
50V
R813
680K
R815
680K
R806
680K
COMP_SEL
R817
0
COMP_R
C813
2.2uF 50V
+5V_GENERAL
R807
680K
R814
680K
R803
10K
Q800
2SC3052
E
B
C
+5V_GENERAL
R804
0
R802
10K
COMP_SEL
0.1uF
C843
50V
C823
22000pF 50V
R808
100
SDA_EYEQ/AMP
001:B25;007:AD7;010:O14
C805 0.1uF
50V
R830
5.6
L804
DA-8580
EAP38319001
2S
1S
1F
2F
R831
5.6
AUDIO_MASTER_CLK
R829
5.6
C820 22000pF 50V
0.1uF
C827
50V
+1.8V_AMP
+3.3V_CI
C818 1uF 10V
+1.8V_AMP
R836
4.7K
L802
MLB-201209-0120P-N2
D804
100V
1N4148W
R828
5.6
AMP_RST
C835 1000pF 50V
0.1uF
C842
50V
R840
3.3
R823
0
OPT
R827
5.6
OPT
0.1uF
C822
50V
+5V
C832 1000pF 50V
OPT
0.1uF
C829
50V
+5V
D801
100V
1N4148W
0.01uF
C817
50V
R811
100
OPT
R825
5.6
OPT
SCL_EYEQ/AMP
C821 1uF 16V
+15V_AMP
MS_LRCK
SPK_R+
C838 0.47uF 50V
0.1uF
C808
50V
0.01uF
C854
50V
R809
3.3K
0.01uF
C852
50V
C834 1000pF 50V
MS_LRCH
L803
MBW3216-501TF
R834
4.7K
C806 10uF 6.3V
+15V_AMP
C819
330uF
25V
SPDIF_OUT
0.1uF
C828
50V
R801
1K
C839 0.47uF 50V
JK801
JST1223-001
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
C816
22000pF
50V
SPK_L+
MUTE
001:H25
+15V_AMP
C837 1000pF 50V
ZD801
OPT
0.1uF
C811
50V
SPK_L-
R819 3.3
R810
100
OPT
R835
4.7K
D803
100V
1N4148W
R838
3.3
+1.8V_AMP
P801
SMAW250-04
1
2
3
4
R822
0
R841
3.3
+1.8V_AMP
R837
4.7K
0.01uF
C851
50V
L801
C810 1000pF 50V
L805
DA-8580
EAP38319001
2S
1S
1F
2F
+15V_AMP
SPK_R-
0.1uF
C845
50V
C836 1000pF 50V
+15V_AMP
R820
120K
OPT
AC_DET
001:H23;009:E15
D802
100V
1N4148W
MS_SCK
+15V
C807
100pF
50V
0.1uF
C844
50V
0.1uF
C815
50V
0.01uF
C853
50V
C826
22000pF
50V
C833 1000pF 50V
OPT
R826
5.6
OPT
C802 0.1uF
50V
R839
3.3
+15V_AMP
C809 1000pF
50V
+15V_AMP
+15V_AMP
R824
5.6
OPT
C801 10uF 6.3V
C831
1000pF
50V
OPT
C830
1000pF
50V
OPT
C825
1uF
16V
C814
1uF
1
0V
0.1uF
C824
50V
SPK_R-
SPK_R+
SPK_L-
SPK_L+
R859
0
OPT
R860
0
IC802
NTP3000A
EAN41584001
1
BST1A
2
VDR1A
3
/RESET
4
AD
5
VSS_IO
6
CLK_I
7
CLK_O
8
VDD_IO
9
DGNDPLL
10
AGNDPLL
11
LFM
12
AVDDPLL
13
DVDDPLL
14
NC_1
15
DVSS
16
DVDD
17
SDATA
18
WCK
19
BCK
20
SDA
21
SCL
22
PWM_3B/PWM_HP2
23
PWM_3A/PWM_HP1
24
PROTECT
25
FAULT
26
VDR2B
27
BST2B
28
PGND2B_1
29
PGND2B_2
30
OUT2B_1
31
OUT2B_2
32
PVDD2B_1
33
PVDD2B_2
34
PVDD2A_1
35
PVDD2A_2
36
OUT2A_1
37
OUT2A_2
38
PGND2A_1
39
PGND2A_2
40
BST2A
41
VDR2A
42
NC_2
43
VDR1B
44
BST1B
45
PGND1B_1
46
PGND1B_2
47
OUT1B_1
48
OUT1B_2
49
PVDD1B_1
50
PVDD1B_2
51
PVDD1A_1
52
PVDD1A_2
53
OUT1A_1
54
OUT1A_2
55
PGND1A_1
56
PGND1A_2
C846
0.1uF
YAMAHA
GND
P_+16V_AMP_IN
R857
0
YAMAHA
C848
0.1uF
YAMAHA
C850
1uF
25V
YAMAHA
R854
100
OPT
R855
0
YAMAHA
MUTE_YAMAHA
GND
+3.3V_CI
C856
1uF
25V
YAMAHA
P_+16V_AMP_IN
GND
C840
1uF
25V
YAMAHA
R853
0
YAMAHA
R851
200K
YAMAHA
R850
68K
YAMAHA
R856
0
YAMAHA
C855
1uF
25V
YAMAHA
C841
1uF
25V
YAMAHA
GND
R844 120K
1%
YAMAHA
C847
1uF
YAMAHA
P_+16V_AMP_IN
P_+16V_AMP_IN
SPK_N
R845 100K
1%
YAMAHA
L_SOUND_N
P_+16V_AMP_IN
P_+16V_AMP_IN
R_SOUND_P
P_+16V_AMP_IN
GND
L810
YAMAHA
R_SOUND_N
C849
1uF
25V
YAMAHA
+15V
GND
L_SOUND_P
SPK_P
IC803
YDA148-EZ
YAMAHA
1
PVDDREG
3
INLP
7
INRP
9
PLIMIT
10
PVDDPR
11
OUTPR_1
12
OUTPR_2
13
PVSSR
14
OUTMR_1
15
OUTMR_2
16
PVDDMR
17
SLEEPN
18
PROTN
19
MUTEN
20
CKOUT
21
CKIN
22
NCDRC0
23
NCDRC1
24
GAIN0
25
GAIN1
26
PVDDML
27
OUTML_1
28
OUTML_2
29
PVSSL
30
OUTPL_1
31
OUTPL_2
32
PVDDPL
5
VREF
8
AVSS
6
INRM
4
INLM
2
AVDD
R842
68K
1%
YAMAHA
R843
1K
1%
YAMAHA
R832
10K
YAMAHA
R833
10K
YAMAHA
R852
100
OPT
L_SOUND_N
L_SOUND_P
R_SOUND_P
R_SOUND_N
R849
0
YAMAHA
R846
0
YAMAHA
R847
0
YAMAHA
R848
0
YAMAHA
YAMAHA_GAIN1
001:H26
YAMAHA_GAIN0
001:H27
+12V
L811
OPT
JP8005
JP8007
JP8006
JP8008
JP8003
JP8004
JP8001
JP8002
C1211
10uF
6.3V
OPT
R821
1.1K
GND
R8611K
YAMAHA
PS421/NTP_SDA
001:H24;007:AD5
PS421/NTP_SCL
R862
100
R863
100
L806
120-ohm
L808
120-ohm
L809
120-ohm
L807
120-ohm
AUDIO SWITCH
SPEAKER_R
SPEAKER_L
SPDIF OPTIC JACK
L
L
H,H
SPK L
L,H
H
46dB
Output
Gain
GAIN[1:0]
34dB
HP
28dB
H,L
Speaker
AMP
L,L
SPK R
40dB
Mute
X
MUTEN
C
2008
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.
POWER
C938
100uF
16V
C933
0.1uF
50V
C983
0.01uF 50V
C964
0.01uF 50V
+3.3V_AVDD_ADC
C981
0.01uF
50V
C987
0.1uF
50V
+3.3V_AVDD
+5V
C986
0.1uF
50V
C913
0.1uF
50V
+3.3V_AVDD_MEMPLL
+2.5V_DDR
C982
0.01uF 50V
C940
0.1uF
50V
C971
0.1uF
50V
C990
100uF
16V
C991
0.1uF
50V
PANEL_POWER
+3.3V_AVDD_LPLL
+5V_ST
+3.3V_VDDP_ST
+5V
006:AG26;008:D28;008:E28;009:M14;009:V11;009:Y8
+2.5V
Q905
SI4925BDY
3
S2
2
G1
4
G2
1
S1
5
D2_1
6
D2_2
7
D1_1
8
D1_2
+3.3V_IR
+12V
+3.3V_AVDD_SIF
C980
0.1uF
50V
C978
0.01uF 50V
C972
0.1uF
50V
+3.3V_AVDD_AU
C969
0.1uF
50V
C963
0.01uF 50V
C968
0.1uF
50V
+3.3V_AVDD_MPLL
PANEL_CTL
001:E29
C979
0.1uF
50V
C966
0.01uF 50V
C989
0.1uF
50V
+3.3V_AVDD_DVI
+5V_ST
+5V_ST
C939
0.1uF
50V
R903
10K
OPT
C930
100uF
16V
R902 10K
C967
0.1uF
50V
C911
0.01uF
50V
C988
0.1uF
50V
+3.3V_VDDP
C985
0.1uF
50V
+2.5V
IC904
AZ1085S-3.3TR/E1
1
ADJ/GND
2
OUTPUT
3
INPUT
C962
0.01uF 50V
C918
100uF
16V
RL_ON
001:B27;009:E16
C984
0.01uF 50V
C926
0.1uF
50V
+5V_GENERAL
+5V
C975
0.1uF
50V
C961
0.1uF
50V
C973
100uF
16V
C960
100uF
16V
+3.3V_AVDD
C965
0.01uF 50V
C970
0.1uF
50V
+3.3V_AVDD_OTG
+2.5V_VDD_DDR
C976
0.1uF
50V
C977
0.1uF
50V
C936
0.1uF
50V
+3.3V_TU
C935
100uF
16V
C941
100uF
16V
C943
0.1uF
50V
+5V
R927
OPT
+3.3V_CI
C951
0.1uF
50V
C952
0.1uF
50V
C946
0.1uF
50V
+1.8V_TU
+3.3V_VDDP_ST
+3.3V_VDDP_ST
C955
0.1uF
50V
C956
10uF
16V
3216
C949
0.01uF 50V
C954
0.1uF
50V
+1.25V_VDDC
C953
0.01uF 50V
+1.25V_AVDD_DVI
+1.25V_ST
+1.25V_ST
R925
0
3216
R924
0
3216
C948
0.1uF
50V
C974
10uF
16V
R923
0
+5V_GENERAL
C942
100uF
16V
R926
0
R907
22K
R908
22K
R904
10K
IC903
AZ1085S-ADJTR/E1
1
ADJ/GND
2
OUTPUT
3
INPUT
C931
100uF
16V
C934
0.1uF
50V
C929
0.1uF
50V
C937
330uF
16V
C932
0.1uF
50V
C928
100uF
16V
C957
0.1uF
50V
+3.3V_VDDP_ST
+3.3V_VDDP_ST
+3.3V_VDDP_ST
IC905
AZ1117D-3.3TRE1
1
ADJ/GND
2
OUTPUT
3
INPUT
IC909
AZ1117D-3.3TRE1
1
ADJ/GND
2
OUTPUT
3
INPUT
IC910
AZ1117D-2.5TRE1
1
ADJ/GND
2
OUTPUT
3
INPUT
IC907
AZ1117D-1.8TRE1
1
ADJ/GND
2
OUTPUT
3
INPUT
C958
100uF
16V
+1.8V_AMP
C945
0.1uF
50V
IC908
AZ1117D-1.8TRE1
1
ADJ/GND
2
OUTPUT
3
INPUT
C959
0.1uF
50V
L910
MBW3216-501TF
L906
MBW3216-501TF
L919
MBW3216-501TF
L908
MBW3216-501TF
L907
MBW3216-501TF
L914
MBW3216-501TF
L909
MBW3216-501TF
L905
MBW3216-501TF
OPT
L917
MBW3216-501TF
L915
MBW3216-501TF
L918
MBW3216-501TF
L911
MBW3216-501TF
L913
MBW3216-501TF
L916
MBW3216-501TF
L904
MBW3216-501TF
L912
MBW3216-501TF
Q902
2SC3052
E
B
C
Q904
2SC3052
E
B
C
Q903
2SC3052
E
B
C
R906
560
R905
10K
C916
10uF
OPT
C921
0.1uF
50V
OPT
C922
0.1uF
50V
C908
47uF
16V
C901
0.1uF
50V
C912
4.7uF
10V
OPT
C909
0.1uF
16V
IC902
KIA7805AF
2
C
3
O
1
I
+5V_TU
C910 0.1uF
16V
+12V
003:Z14;006:AB17;008:Z12;009:A8;009:H19
P902
SMAW200-24C
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
L903
C905
0.1uF
16V
C919
100uF
16V
C923
0.1uF
16V
+12V
L901
CB4532UK121E
+5V_ST
C907
330uF
25V
C920
1uF
25V
C904
330uF
25V
+15V
L902
CB4532UK121E
R911
0
5V_MNT
001:H26
4.7K
R916
NON_52"Sharp
C903
0.1uF
16V
AC_DET
008:S16;001:H23
RL_ON
001:B27;009:B5
0
R912
OPT
INV_CTL
001:H25;009:K17
INV_CTL
001:H25;009:H14
R918
10K
OPT
+5V_GENERAL
R913
100
R914
10K
+5V_GENERAL
Q901
2SC3052
E
B
C
R917
10K
R915
10K
PWM_DIM
001:G12
0
R901
R909
47K
R910 47K
C917
1uF
35V
C993
0.1uF
50V
C992
0.01uF 50V
+3.3V_HDMI_ST
L921
MBW3216-501TF
R922
0
1/4W
5%
R921
0
1/4W
5%
R928
0
C927
10uF
16V
L920
MBW3216-501TF
C902
100uF
16V
1uF
C906
16V
R929
5.1K
A_DIM
001:B6;001:G12
C914
100uF
16V
JP9010
JP9011
JP9009
JP9008
JP9012
JP9002
JP9005
JP9004
JP9001
JP9006
R919
51
5%
R920
3.3K
1%
JP902
JP901
C925
0
52"Sharp
C924
100uF
16V
C915
100uF
16V
DC-DC CONVERTER
Stand-by +3.3V_+1.25V_MST_Core
TUNER_CI +3.3V_+1.8V_+1.5V
+5V_+12V
+2.5V_DDR
+3.3V_MST
R1
R2
V0 = 1.25(1+R2/R1)
C
2008
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.
C1204
1000pF
50V
OPT
C1205
0.1uF
50V
R1203
100
1%
C1206
100pF
50V
R1208
0
OPT
L1004
BG2012B080TF
OPT
C1208 1000pF 50V
LED_R
001:G12
SDA_EYEQ/AMP
KEY1
001:J13
EYEQ_RESET
001:H27
GND-EMI
R1209
0
C1207 0.1uF
50V
PWM_LED
001:B6;001:G12
C1203
0.1uF
50V
L1010
BG2012B080TF
L1008
BG2012B080TF
L1003
BG2012B080TF
OPT
GND-EMI
R1204
100
1%
R1202
0
OPT
R1201
0
OPT
L1005
BG2012B080TF
+3.3V_VDDP_ST
+5V_ST
IR
001:H22
L1009
BG2012B080TF
L1002
BG2012B080TF
R1211
0
OPT
LED_G
001:H24
KEY2
L1006
BG2012B080TF
SCL_EYEQ/AMP
008:H16;001:B25;007:AD7
C1202
1000pF
50V
+3.3V_IR
009:X18
C1201
0.1uF
50V
SPK_N
SPK_P
R1214
0
L1001
BLM18AG221SN1D
L1007
BLM18AG221SN1D
C1209
100pF
50V
OPT
R1205
4.7K
R1206
4.7K
ZD1200
5.6B
P1001
12505WS-15A00
1
NC SCL
2
NC SDA
3
GND
4
GND
5
KEY1
6
KEY2
7
NC 3.3V_SW
8
5V_ST
9
PWM_LED
10
IR
11
NC RESET
12
GND
13
LED_G
14
LED_R/PWM
16
GND
15
GND
R1212
100
R1213
100
JP1007
JP1001
JP1008
JP1004
JP1005
JP1010
JP1011
JP1003
JP1002
JP1009
JP1012
ZD1207
5.6B
C1212
5pF
50V
C1213
5pF
50V
R1207
100K
YAMAHA
R1210
100K
YAMAHA
JP1006
R1210-*1
10K
NON_YAMAHA
IR & LED
CONTROL
C
2008
Click on the first or last page to see other 52LG65YD-AC (CHASSIS:LB81C) service manuals if exist.