Read LG 32LH70 (CHASSIS:LA92D) 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.
AUDIO/BT/FAN
R726
5.6
0.1uF
C729
50V
0.1uF
C749
50V
0.1uF
C735
50V
SPK_R+ 007:AA17
POWER_DET
R725
5.6
C732
22000pF
50V
SPK_R- 007:AA17
MS_LRCK
002:V8
+24V_AMP
R727
5.6
0.1uF
C728
50V
R730
4.7K
AMP_MUTE
002:C25
SDA_SUB/AMP
001:L3;004:Y11
SPK_L- 007:AA18
0.1uF
C750
50V
R732
4.7K
MS_LRCH
002:V8
SPK_L+
007:AA18
R728
5.6
MS_SCK
002:V8
AUDIO_MASTER_CLK
002:V8
+24V_AMP
0.1uF
C734
50V
C731
22000pF
50V
+1.8V_AMP
C726
22000pF
50V
+1.8V_AMP
0.1uF
C752
50V
0.1uF
C751
50V
AMP_RST
001:AA9
SCL_SUB/AMP
001:L3;004:Y11
R733
4.7K
C716
22000pF
50V
R731
4.7K
+1.8V_AMP
SPK_R-
007:AG19
SPK_L-
007:AG24
SPK_L+
007:AG26
SPK_R+
007:AG22
R708
3.3K
+24V_AMP
R703
0
D704
100V
1N4148W
OPT
D705
100V
1N4148W
OPT
D707
100V
1N4148W
OPT
D706
100V
1N4148W
OPT
+3.3V
Q701
2SC3052
E
B
C
+3.3V_ST
+24V
C700
10uF
10V
0.1uF
C709
C702
0.1uF
16V
0.1uF
C706
16V
0.1uF
C715
16V
C707
1000pF
50V
C708
1000pF
50V
C714
33pF
50V
33pF
50V
C712
33pF
50V
33pF
50V
R729
10K
R724
10K
C760
10uF
10uF
10V
R721
100
R720
100
R722
100
R719
0
OPT
R717
33K
OPT
R740
0
0
R704
100
R709
100
R710
100
C745
0.47uF
50V
C746
0.47uF
50V
C705
100pF
50V
0.01uF
C756
50V
0.01uF
C758
50V
0.01uF
C755
50V
0.01uF
C757
50V
R736
3.3
R737
3.3
R735
3.3
R734
3.3
C713
1uF
25V
C724
1uF
25V
C727
1uF
25V
C730
1uF
25V
C736
10uF
10V
OPT
OPT
C737
10uF
10V
OPT
OPT
L780
CIC21J501NE
OPT
R785
47K
47K
BT_LOUT_AMP
Q781
2SC3052
E
B
C
+12V
C783
0.1uF
16V
R786
15K
15K
BT_LOUT
C784
0.1uF
16V
R784
470
470
R781
3K
3K
R782
3K
3K
C782
0.1uF
16V
OPT
C781
10uF
6.3V
R783
1K
1K
R780
47K
47K
OPT
R718
0
L703
MLB-201209-0120P-N2
C725
68uF
35V
0.01uF
C720
50V
0.01uF
C733
50V
R787
3.3
3.3
0.01uF
C786
50V
R788
3.3
3.3
C785
0.01uF
50V
0.01uF
50V
C762
68uF
35V
35V
L700
MLB-201209-0120P-N2
L701
MLB-201209-0120P-N2
C721
33pF
50V
33pF
50V
OPT
C704
10uF
6.3V
BT_LOUT
BT_AU_SW
+5V_GENERAL
C773
0.1uF
16V
0.1uF
16V
R751
680K
680K
C772
2.2uF
2.2uF
16V
IC702
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
HP/BT_ROUT
HP_AU_SW
R752
680K
680K
R753
10K
R750
0
R744
680K
680K
+5V_GENERAL
R743
680K
680K
R741
10K
R742
0
HP/BT_LOUT
C770
2.2uF
16V
+5V_GENERAL
+5V_GENERAL
+5V_GENERAL
C780
22uF
16V
L706
MLB-201209-0120P-N2
L707
MLB-201209-0120P-N2
L708
MLB-201209-0120P-N2
L709
MLB-201209-0120P-N2
C742
390pF
50V
C741
390pF
50V
C743
390pF
50V
C744
390pF
50V
IC701
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
P700
SMAW250-04Q
1
2
3
4
5
L705
AD-8770
EAP60684501
2S
1S
1F
2F
L704
AD-8770
EAP60684501
2S
1S
1F
2F
Q780
ISA1530AC1
E
B
C
C787
0.1uF
16V
+5V_GENERAL
L781
CIC21J501NE
R701
OPT
SPEAKER_L
SPEAKER_R
AUDIO/BT/FAN
3 14
ATSC_VENUS
08.11.14
BT & HP AUDIO SWITCH / AMP
For protect Peak noise
Mstar S6 Application
MCLK SDATA WCK BCK TP is necessory
Monitor0_1_2 TP is necessory
VENUS Application
(Not enough space)
KIM JONG HYUN
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