Read LG 32LH70YD (CHASSIS:LJ91D) Service Manual 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.
2008. 10.15
AUDIO
BCM (BRAZIL VENUS)
C533
1000pF
50V
R505
100
R513
100
L507
120-ohm
L501
MLB-201209-0120P-N2
R525
4.7K
R529
3.3
R523
4.7K
C509
33pF
50V
33pF
50V
0.1uF
C513
16V
SPK_R-
H4
C534
1000pF
50V
0.1uF
C542
50V
AMP_RST
9:G7;9:I3;12:I4
0.01uF
C545
50V
C519
22000pF
50V
R519
5.6
0.1uF
C505
16V
L509
120-ohm
R524
4.7K
C532
1000pF
50V
0.1uF
C528
50V
C517
33pF
50V
50V
OPT
C521
1uF
16V
C501
10uF
10V
SPK_R+
H4
C530
0.1uF
50V
0.1uF
50V
C531
1000pF
50V
+1.8V_AMP
R518
5.6
SPK_L+
H3
AUDIO_M_CLK
9:G6
C503
10uF
6.3V
R526
4.7K
0.1uF
C508
R501
0
AMP_MUTE
12:F3
+1.8V_AMP
SCL1_3.3V
9:I4;2:AH5
SDA1_3.3V
9:I4;2:AH5
R511
3.3
3.3
SPK_L-
H3
R507
100
L510
120-ohm
0.1uF
C541
50V
R508
100
C511
1uF
10V
L508
120-ohm
BCM_I2S_DATA_OUT
11:F7
C507
1000pF
50V
R522
3.3
3.3
SPK_R-
H3
C523
1uF
16V
BCM_I2S_BIT_CLK
11:F7
R530
3.3
R521
5.6
L502
MLB-201209-0120P-N2
0.01uF
C546
50V
C524
22000pF
50V
C506
1000pF
50V
R503
3.3K
C512
33pF
50V
33pF
50V
0.01uF
C547
50V
SPK_L+
H5
R520
5.6
+1.8V_AMP
+24V_AMP
D3.3V
R502
100
BCM_I2S_WORD_CLK
11:F6
C518
1uF
10V
C504
100pF
50V
C525
22000pF
50V
C502
0.1uF
16V
R527
3.3
C514
22000pF
50V
R506
100
0.1uF
C543
50V
C535
0.01uF
50V
0.01uF
50V
R509
100
L503
MLB-201209-0120P-N2
SPK_L-
H5
R504
0
0
+24V_AMP
0.1uF
C522
50V
0.01uF
C526
50V
0.1uF
C540
50V
SPK_R+
H3
R528
3.3
0.1uF
C520
50V
C510
10uF
10uF
10V
0.01uF
C544
50V
0.01uF
C515
50V
+24V
L511
MLB-201209-0120P-N2
+24V_AMP
+1.8V_AMP
GND
D3.3V
C551
0.1uF
16V
0.1uF
16V
C549
0.1uF
16V
0.1uF
16V
IC503
AZ1117H-1.8TRE1(EH13A)
2
OUTPUT
3
INPUT
1
ADJ/GND
C548
22uF
16V
16V
C552
22uF
16V
16V
0.01uF
C527
50V
C553
68uF
35V
35V
@optio
C529
68uF
68uF
IC501
NTP-3100L
EAN60664001
1
BST1A
2
VDR1A
3
RESET
4
AD
5
DVSS_1
6
VSS_IO
7
CLK_I
8
VDD_IO
9
DGND_PLL
10
AGND_PLL
11
LFM
12
AVDD_PLL
13
DVDD_PLL
14
TEST0
15
DVSS_2
16
DVDD
17
SDATA
18
WCK
19
BCK
20
SDA
21
SCL
22
MONITOR_0
23
MONITOR_1
24
MONITOR_2
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
P501
WAFER-ANGLE
1
2
3
4
5
L504
AD-8770
EAP60684501
AD-8770
EAP60684501
2S
1S
1F
2F
L505
AD-8770
EAP60684501
AD-8770
EAP60684501
2S
1S
1F
2F
C538
0.47uF
50V
C539
0.47uF
50V
3
15
SPEAKER_R
SPEAKER_L
Change 22uH(L504,L505) TO 15uH/6.3mm After DV1
2A => 5A
T_68uF_Capacitor
T_68uF_Capacitor
MCLK SDATA WCK BCK TP is necessory
Monitor0_1_2 TP is necessory
KIM JONG HYUN
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