Read LG 55SL8500-ZA (CHASSIS:LD91K) 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.
AMP
0.1uF
C729
50V
0.1uF
C749
50V
0.1uF
C735
50V
SPK_R+ 007:AA11
R734
3.3
C732
22000pF
50V
C746
0.47uF
50V
SPK_R- 007:AA11
MS_LRCK
002:X21
+24V
0.01uF
C758
50V
R736
3.3
0.1uF
C728
50V
0.01uF
C756
50V
R730
4.7K
0.01uF
C720
50V
0.1uF
C733
50V
0.01uF
C757
50V
SDA_SUB/AMP
001:E21;009:AJ19
SPK_L- 007:AA10
0.1uF
C750
50V
R737
3.3
R732
4.7K
MS_LRCH
002:X21
SPK_L+
007:AA10
MS_SCK
002:X21
AUDIO_MASTER_CLK
002:X21
0.1uF
C734
50V
C731
22000pF
50V
+1.8V_AMP
C726
22000pF
50V
+1.8V_AMP
C745
0.47uF
50V
0.1uF
C752
50V
0.1uF
C751
50V
AMP_RST
001:AA21
0.01uF
C755
50V
R735
3.3
SCL_SUB/AMP
001:E21;009:AJ18
R733
4.7K
C716
22000pF
50V
R731
4.7K
+1.8V_AMP
SPK_R-
007:AD8
SPK_L-
007:AD4
SPK_L+
007:AD2
SPK_R+
007:AD6
HP_ROUT
007:AL23
C719
100uF
16V
16V
HP_LOUT
007:AE22
IC700
TPA6110A2DGNRG4
3
SHUTDOWN
2
GND
4
IN2-
1
BYPASS
5
VO2
6
VDD
7
VO1
8
IN1-
R715
1K
C718
100uF
16V
16V
C703
0.22uF
16V
C717
0.22uF
16V
+3.3V
Q701
2SC3052
E
B
C
+3.3V_ST
+24V
+3.3V
HP_DET
SIDE_HP_MUTE
001:AJ19
HP_MUTE
007:C24
D708
ENKMC2838-T112
A1
C
A2
SB_MUTE
001:W19;007:R12;009:Y23;009:Y26
SB_MUTE
001:W19;007:G25;009:Y23;009:Y26
NTP_MUTE
001:AA22
D709
ENKMC2838-T112
A1
C
A2
R722
100
R720
100
R721
100
D704
100V
1N4148W
OPT
D705
100V
1N4148W
OPT
D706
100V
1N4148W
OPT
D707
100V
1N4148W
OPT
D710
5.6V
AMOTECH
D711
5.6V
AMOTECH
L700
BLM18PG121SN1D
L701
BLM18PG121SN1D
C721
33pF
50V
33pF
50V
OPT
C712
33pF
50V
33pF
50V
C714
33pF
50V
33pF
50V
R710
100
R709
100
R726
12
R727
12
R725
12
R728
12
R716
12
R705
12
R713
12
R719
12
R740
0
0
R718
0
R703
0
0.1uF
C706
16V
0.1uF
C709
C710
0.1uF
16V
0.1uF
16V
C702
0.1uF
16V
0.1uF
C715
16V
R704
100
C707
1000pF
50V
C708
1000pF
50V
C705
100pF
50V
R707
10K
R729
10K
R724
10K
R714
1K
C701
1uF
6.3V
6.3V
R708
3.3K
R717
33K
OPT
+5V_GENERAL
+5V_EARPHONE
D700
ENKMC2838-T112
A1
C
A2
R700
10K
+5V_EARPHONE
R742
10K
Q705
2SC3052
E
B
C
HP_MUTE
007:J25
+5V_EARPHONE
R741
10K
Q700
2SC3052
E
B
C
R701
10K
R702
20K
20K
R712
20K
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
C725
10uF
35V
35V
C736
10uF
35V
35V
L709
120-ohm
L706
120-ohm
L707
120-ohm
L708
120-ohm
C723
0.1uF
0.1uF
C722
0.1uF
0.1uF
C704
1uF
10V
C700
1uF
10V
C760
1uF
1uF
10V
C713
0.1uF16V
C727
0.1uF
16V
C724
0.1uF
16V
C730
0.1uF
16V
R744
0
Q702
RTR030P02
S
D
G
BT_ON/OFF
+5V_GENERAL
R746
0
R747
47K
R748
0
0
BT_LOUT_AMP
R749
4.7K
R750
0
C761
1uF
Q703
2SC3052
E
B
C
BT_DM
BT_DP
C762
10uF
6.3V
Q704
2SC3052
E
B
C
BT_LOUT_AMP
C763
0.1uF
16V
OPT
R752
1K
1K
R753
470
470
R754
47K
47K
C765
0.1uF
16V
R755
15K
15K
Q706
2SA1504S
E
B
C
R756
3K
3K
C766
22uF
16V
R757
47K
47K
OPT
R758
3K
3K
BT_LOUT
+5V_GENERAL
HP_ROUT
HP_LOUT
R760
680K
680K
OPT
R761
0
BT_AU_SW
C767
0.1uF
16V
0.1uF
16V
+5V_GENERAL
R762
680K
680K
OPT
R763
680K
680K
OPT
HP_AU_SW
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
R764
680K
680K
OPT
+5V_GENERAL
R765
0
BT_LOUT
+5V_GENERAL
+5V_GENERAL
HP/BT_LOUT
HP/BT_ROUT
P700
WAFER-ANGLE
1
2
3
4
5
R706
27K
R711
27K
C775
22uF
25V
22uF
25V
R767
0
R772 0
R759
4.7K
R773 0
Q708
KRC103S
KRC103S
OPT
E
B
C
R768
0
OPT
R769
0
R766
4.7K
Q707
KRC103S
OPT
E
B
C
R771
0
OPT
R770
0
C773
0.1uF
16V
L711
CIC21J501NE
+5V_GENERAL
L704
AD-8770
EAP60684501
AD-8770
EAP60684501
2S
1S
1F
2F
L705
AD-8770
EAP60684501
AD-8770
EAP60684501
2S
1S
1F
2F
C744
390pF
50V
C743
390pF
50V
C741
390pF
50V
C742
390pF
50V
C711
10uF
10V
JK700
PEJ027-01
6B
T_TERMINAL2
8
SHIELD_PLATE
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
C778
10uF
10V
10uF
10V
C777
10uF
10V
10uF
10V
C774
22uF
25V
22uF
25V
P701
12507WS-08L
1
2
3
4
5
6
7
8
9
C779
10uF
35V
35V
C780
10uF
35V
35V
SPEAKER_L
SPEAKER_R
EARPHONE AMP
7 12
AMP
2A => 5A
MCLK SDATA WCK BCK TP is necessory
Monitor0_1_2 TP is necessory
EAX60890803
BLUETOOTH
BLUETOOTH Audio TR Amp
BT & HP AUDIO SWITCH
2009.06.10
Click on the first or last page to see other 55SL8500-ZA (CHASSIS:LD91K) service manuals if exist.