LG 32LD550 (CHASSIS:LB01B) 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.
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.
GMA18
H_CONV
RXA3-
RXA3-
GMA16
GMA18
I2C_SCL
GMA7
RXA1+
GMA4
L702
120-ohm
WAFER_FHD
RXD1-
RXACK+
RXB3-
RXB4-
L701
120-ohm
WAFER_HD
PANEL_VCC
RXA0+
RXB0+
RXC4+
RXC0-
GMA9
RXC0-
RXC2+
RXC3+
RXB2+
RXDCK-
I2C_SDA
GMA4
RXD0-
R710
10K
LVDS_SEL_LOW
RXD3-
P703
TF05-51S
WAFER_FHD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
RXC3-
RXC0+
RXA0-
RXC4-
H_CONV
OPC_EN
R706
33
240Hz
C711
10uF
16V
10uF
16V
MINI_LVDS
RXA2-
VCOML
GSP/GVST_I
POL
RXA2-
RXA2+
RXCCK+
GMA3
RXD0+
RXD2+
GMA12
OPC_EN
RXA1-
PWM_DIM
RXCCK-
GMA9
R709
10K
10K
BIT_SEL_LOW
RXA1+
RXB4+
RXB1-
C706
0.1uF
16V
0.1uF
16V
MINI_LVDS
OPC_OUT
RXB4-
R708
33
240Hz/3D
RXA3+
RXDCK+
C704
0.1uF
50V
0.1uF
50V
MINI_LVDS
RXC1+
RXACK+
P705
FF10001-30
WAFER_HD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
RXB2+
RXB3+
VCOMLFB
RXD2-
R705
3.3K
LVDS_SEL_HIGH
RXC2-
RXA4-
RXD1+
C712
10uF
16V
10uF
16V
MINI_LVDS
RXC0+
GMA3
R707
33
240Hz/3D
C710
0.1uF
16V
0.1uF
16V
WAFER_FHD
RXC1-
PWM_DIM
RXA3+
RXB0-
RXD0+
GMA10
RXA0+
+3.3V_Normal
RXC1+
RXC4-
FRC_RESET
R700
3.3K
MINI_LVDS
RXA1-
RXB3+
VCOMRFB
RXD4-
SOE
RXC2+
RXA0+
VDD_LCM
GMA6
RXBCK+
RXA2+
RXA0-
VCC_LCM
GMA13
VCC_LCM
RXC3+
GMA1
RXA1+
R717
0
OPT
RXA4+
RXB4+
RXC3-
SOE
R712
3.3K
LVDS_SEL_HIGH
RXD0-
C709
1000pF
50V
1000pF
50V
WAFER_FHD
GMA6
RXD1-
GSP/GVST_I
SCAN_BLK2
VDD_LCM
+3.3V_Normal
RXA0-
RXB2-
RXB1+
RXD4+
R716
0
WAFER_HD
RXBCK-
PANEL_VCC
GMA16
RXC4+
RXB1+
RXB0-
RXD1+
RXACK-
C708
0.01uF
50V
0.01uF
50V
MINI_LVDS
RXB1-
RXACK-
GMA7
GMA10
HVDD
C703
0.01uF
50V
0.01uF
50V
MINI_LVDS
HVDD
C707
0.1uF
50V
0.1uF
50V
MINI_LVDS
GMA15
GMA15
P704
TF05-41S
WAFER_FHD_120HZ
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
R711
10K
LVDS_SEL_LOW
C700
10uF
16V
10uF
16V
OPT
RXB2-
RXC2-
VCOMR
POL
RXB3-
RXC1-
C701
0.1uF
16V
0.1uF
16V
MINI_LVDS
GMA1
GMA13
RXB0+
RXA1-
RXD3+
GMA12
R703
3.3K
MINI_LVDS
R721
0
OPT
R728
0
OPT
R720
0
OPT
R723
0
OPT
R713
0
NON_SCAN
SCAN_BLK1/OPC_OUT
R714
0
OPT
R724
0
OPT
VDD_EVEN
CLK1
VGL
(-5V)
Z_OUT
CLK4
VGI_N
VGI_P
VST
CLK2
VGL_I
CLK5
CLK6
R745
0
NON_GIP
CLK3
VDD_ODD
VGI_N
R767
0
NON_GIP
VGH_M
(+25V)
CLK1
R752
0
NON_GIP
R753
0
NON_GIP
R771
0
NON_GIP
CLK5
VDD_ODD
R751
0
NON_GIP
CLK4
Z_OUT
R750
0
NON_GIP
R748
0
NON_GIP
VST
GOE/GCLK1_I
CLK6
VGL_I
CLK3
R770
0
NON_GIP
R749
0
NON_GIP
R754
0 MINI_LVDS
VGL
(-5V)
VGI_P
VDD_EVEN
GSC/GCLK3_I
R772
0
NON_GIP
R768
0
NON_GIP
R769
0
NON_GIP
CLK2
R765
0 GIP
R729
0 GIP
R773
3.3K
NON_GIP
R701
0 GIP
P701
104060-6017
MINI_LVDS
1
GND
2
GMA1
3
GMA3
4
GMA4
5
GMA6
6
GMA7
7
GMA9
8
GMA10
9
GMA12
10
GMA13
11
GMA15
12
GMA16
13
GMA18
14
GND
15
OPT_N
16
H_CONV
17
VST_IN
18
POL
19
SOE
20
GND
21
LV0+
22
LV0-
23
LV1+
24
LV1-
25
LV2+
26
LV2-
27
LVCLK+
28
LVCLK-
29
LV3+
30
LV3-
31
LV4+
32
LV4-
33
LV5+
34
LV5-
35
GND
36
VCC
37
VCC
38
GND
39
HALF_VDD
40
HALF_VDD
41
VDD
42
VDD
43
GND
44
VCOM_IN
45
VCOM_FB
46
GND
47
VST
48
VSS
49
VGH_EVEN
50
VGH_ODD
51
VGI_P
52
VGI_N
53
CLK6
54
CLK5
55
CLK4
56
CLK3
57
CLK2
58
CLK1
59
Z_OUT
60
GND
61
.
P702
104060-6017
MINI_LVDS
1
GND
2
Z_OUT
3
CLK1
4
CLK2
5
CLK3
6
CLK4
7
CLK5
8
CLK6
9
VGI_N
10
VGI_P
11
VGH_ODD
12
VGH_EVEN
13
VSS
14
VST
15
GND
16
VCOM_FB
17
VCOM_IN
18
GND
19
VDD
20
VDD
21
HALF_VDD
22
HALF_VDD
23
GND
24
VCC
25
VCC
26
GND
27
RV0+
28
RV0-
29
RV1+
30
RV1-
31
RV2+
32
RV2-
33
RVCLK+
34
RVCLK-
35
RV3+
36
RV3-
37
RV4+
38
RV4-
39
RV5+
40
RV5-
41
GND
42
SOE
43
POL
44
VST_IN
45
H_CONV
46
OPT_N
47
GND
48
GMA18
49
GMA16
50
GMA15
51
GMA13
52
GMA12
53
GMA10
54
GMA9
55
GMA7
56
GMA6
57
GMA4
58
GMA3
59
GMA1
60
GND
61
.
3D_POWER_EN
C714
1000pF
50V
1000pF
50V
3D
C715
0.1uF
16V
0.1uF
16V
3D
C713
10uF
16V
10uF
16V
OPT
L703
120-ohm
3D
PANEL_VCC
VCC_LCM
VCC_LCM
VCC_LCM
R704
33
3D
/3D_FPGA_RESET
R702
33
3D
C702
10uF
MINI_LVDS
C705
10uF
MINI_LVDS
GP2_Saturn7M
LVDS
[51Pin LVDS Connector]
(For FHD 60/120Hz)
(For FHD 60/120Hz)
[41Pin LVDS Connector]
(For FHD 120Hz)
(For FHD 120Hz)
[30Pin LVDS Connector]
(For HD 60Hz_Normal)
(For HD 60Hz_Normal)
[LEFT FFC Connector]
(60Pin Mini-LVDS)
(60Pin Mini-LVDS)
10uF/25V(3216)
10uF/25V(3216)
[Right FFC Connector]
(60Pin Mini-LVDS)
(60Pin Mini-LVDS)
36
Ver. 1.3
BIT_SEL
LVDS_SEL
LVDS_SEL
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.
L502
BLM18PG121SN1D
0.1uF
C519
50V
C506
1000pF
50V
C530
390pF
50V
AUD_MASTER_CLK
C528
10uF
35V
10uF
35V
L504
BLM18PG121SN1D
0.01uF
C542
50V
OPT
+1.8V_AMP
C502
0.1uF
16V
C525
22000pF
50V
R517
10K
C518
22000pF
50V
R529
4.7K
SPK_R+
C520
1uF
25V
C529
390pF
50V
AMP_SCL
D504
100V
1N4148W
OPT
C508
1000pF
50V
C522
1uF
25V
SPK_L-
0.1uF
C527
50V
0.1uF
C539
50V
+3.5V_ST
0.01uF
C540
50V
OPT
R503
100
C531
390pF
50V
R505
100
AUD_LRCH
+24V
SPK_R+
C534
0.47uF
50V
D501
100V
1N4148W
OPT
D503
100V
1N4148W
OPT
R514
100
R530
4.7K
SPK_L+
C512
1uF
25V
C532
390pF
50V
C517
1uF
25V
SPK_R-
R532
3.3
OPT
R513
0
0
OPT
C504
100pF
50V
0.1uF
C536
50V
AMP_MUTE
R508
3.3K
AMP_SDA
R534
3.3
OPT
R528
4.7K
SPK_R-
R533
3.3
OPT
AUD_LRCK
L501
BLM18PG121SN1D
+1.8V_AMP
0.1uF
C537
50V
R504
100
POWER_DET
R531
3.3
OPT
C535
0.47uF
50V
AMP_RESET_N
C521
10uF
35V
10uF
35V
C524
22000pF
50V
0.1uF
C538
50V
R527
4.7K
0.01uF
C541
50V
OPT
+1.8V_AMP
C514
22000pF
50V
D502
100V
1N4148W
OPT
AUD_SCK
0.01uF
C543
50V
OPT
0.1uF
C515
50V
SPK_L+
+24V
R515
10K
0.1uF
C513
16V
0.1uF
C509
0.1uF
C505
16V
SPK_L-
0.1uF
C526
50V
Q501
2SC3052
E
B
C
+3.3V_Normal
C516
1000pF
50V
1000pF
50V
R535
3.3
3.3
OPT
C547
0.01uF
50V
0.01uF
50V
OPT
AMP_MUTE_HOTEL
C501
10uF
10V
OPT
C503
10uF
10V
OPT
C511
10uF
10uF
10V
OPT
R526
12
R522
12
R520
12
R525
12
R519
12
R524
12
R521
12
R523
12
C546
22pF
50V
22pF
50V
OPT
C545
22pF
50V
22pF
50V
OPT
C544
22pF
50V
22pF
50V
OPT
TP502
R538
0
0
R537
0
0
R539
0
0
R536
0
0
C434
0.1uF
16V
0.1uF
16V
+1.8V_AMP
+3.3V_Normal
C421
10uF
10V
10uF
10V
IC404
AP1117E18G-13
2
OUT
3
IN
1
ADJ/GND
C446
0.1uF
16V
0.1uF
16V
R474
1
L507
AD-9060
15uH
2S
1S
1F
2F
L506
AD-9060
15uH
2S
1S
1F
2F
IC501
NTP-7000
EAN60969601
1
BST1A
2
VDR1A
3
/RESET
4
AD
5
DGND_1
6
GND_IO
7
CLK_I
8
VDD_IO
9
DGND_PLL
10
AGND_PLL
11
LF
12
AVDD_PLL
13
DVDD_PLL
14
GND
15
DGND_2
16
DVDD
17
SDATA
18
WCK
19
BCK
20
SDA
21
SCL
22
MONITOR0
23
MONITOR1
24
MONITOR2
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
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
57
EP_PAD
C507
18pF
50V
18pF
50V
C510
18pF
50V
18pF
50V
R506
33
R507
33
P502
SMAW250-04
SPK_NORMAL
1
2
3
4
P501
SPK_SLIM
WAFER-ANGLE
1
2
3
4
SPEAKER_L
SPEAKER_R
AUDIO[NTP]
GP2_Saturn7M
Ver. 1.1
Vd=1.4V
120 mA
38
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.
BT_LOUT
BT_DM
BT_ON/OFF
BT_DP
GP2_Saturn7M
NON B/T
NOT USING B/T
Ver. 1.0
44
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.
PCM_D[2]
PCM_D[6]
FE_TS_DATA[5]
FE_TS_DATA[7]
FE_TS_DATA[3]
PCM_D[1]
FE_TS_DATA[0]
FE_TS_DATA[6]
FE_TS_DATA[4]
PCM_D[3]
PCM_D[7]
FE_TS_DATA[1]
PCM_D[5]
PCM_D[4]
PCM_D[0]
FE_TS_DATA[2]
PCM_A[13]
/PCM_IORD
CI_TS_DATA[7]
CI_TS_CLK
CI_TS_SYNC
PCM_A[14]
/PCM_REG
CI_TS_DATA[5]
PCM_A[12]
/PCM_CD
PCM_A[10]
CI_TS_DATA[3]
FE_TS_VAL_ERR
PCM_A[8]
/PCM_WE
PCM_A[3]
CI_TS_DATA[4]
CI_TS_DATA[1]
CI_TS_DATA[0]
/PCM_IOWR
PCM_A[0]
PCM_A[4]
FE_TS_CLK
PCM_5V_CTL
PCM_RST
PCM_A[11]
PCM_A[6]
PCM_A[9]
FE_TS_SYNC
PCM_A[2]
PCM_A[5]
/PCM_IRQA
/PCM_WAIT
CI_TS_VAL
/PCM_CE
FE_TS_DATA[0-7]
CI_TS_DATA[2]
PCM_A[1]
PCM_A[7]
/PCM_OE
CI_TS_DATA[6]
PCM_D[0-7]
PCMCI
NON CI Region
GP2_Saturn7M
Ver. 1.0
46
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