Read LG 32LT760H (CHASSIS:LD2FF) 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.
@partN
@refer
@compC
@suppr
12/09/18
EAX64697801.cir/086.sht
@area
R8602
100
EXT_SPK_R-
R8603
1K
1K
R8615
1K
1K
Q8601
MMBT3904(NXP)
E
B
C
EXT_SPK_R+
+5V_SUB_AMP
EXT_AMP_MUTE
R8604
0
0
C8612
1uF
25V
25V
R8609
100
100
OPT
R8605
3.3K
3.3K
+3.5V_ST
R8601
1K
1K
R8606
10K
+5V_SUB_AMP
R8608
4.7K
4.7K
EXT_SPK_L+
L8605
BLM18PG121SN1D
C8608
22uF
16V
16V
R8607
100
100
C8609
0.1uF
0.1uF
EXT_SPK_L-
IC8601
TPA6011A4PWPRG4
3
PVDD_1
2
ROUT-
4
RHPIN
1
PGND_1
6
RIN
5
RLINEIN
7
VDD
8
LIN
9
LLINEIN
10
LHPIN
11
PVDD_2
12
LOUT-
13
PGND_2
14
LOUT+
15
SHUTDOWN
16
FADE
17
BYPASS
18
AGND
19
SEMAX
20
SEDIFF
21
VOLUME
22
HP/LINE
23
SE/BTL
24
ROUT+
R8611
1K
1K
+5V_SUB_AMP
JK8600
PEJ029-02
3
E_SPRING
6
T_TERMINAL
7
B_TERMINAL
5
T_SPRING
4
R_SPRING
8
G_SPRING
EXT_SPK_L-
C8616
39pF
OPT
EXT_SPK_R-
TP8601
C8614
39pF
OPT
C8613
39pF
OPT
TP8604
L8602
EXT_SPK_L+
TP8602
L8604
EXT_SPK_R+
L8601
L8603
C8615
39pF
OPT
TP8603
+5V_NORMAL
R8617
470K
OPT
R8618
470K
OPT
R8619
470K
OPT
R8620
470K
OPT
C8610
1uF
10V
EXT_AMP_R_IN
EXT_AMP_L_IN
C8611
1uF
10V
R8631
33K
R8629
5.6K
R8628
2.2K
R8627
220K
C8619
330pF
R8623
220K
R8632
33K
IC8602
AS324MTR-E1
OP_AMP_BCD
3
IN1+
2
IN1-
4
VCC
1
OUT1
6
IN2-
5
IN2+
7
OUT2
8
OUT3
9
IN3-
10
IN3+
11
GND
12
IN4+
13
IN4-
14
OUT4
R8626
5.6K
EXT_SPK_ROUT_MAIN
C8618
330pF
EXT_AMP_R_IN
EXT_SPK_LOUT_MAIN
R8621
470K
OPT
R8624
10K
EXT_AMP_L_IN
R8622
470K
OPT
R8630
2.2K
IC8602-*1
SN324
OP_AMP_AUK
3
NON_INV_IN1
2
INV_IN1
4
VCC
1
OUT1
6
INV_IN2
5
NON_INV_IN2
7
OUT2
8
OUT3
9
INV_IN3
10
NON_INV_IN3
11
GND
12
NON_INV_IN4
13
INV_IN4
14
OUT4
C8620 33pF
+12V
R8665
0
DTV/MNT_L_OUT
C8624
33pF
SCART_AMP
R8635
2.2K
2.2K
SCART_AMP
R8638
33K
SCART_AMP
R8640
470K
470K
OPT
C8623
10uF
16V
10uF
16V
SCART_AMP
R8633
10K
10K
SCART_AMP
R8643
5.6K
5.6K
SCART_AMP
R8645
0
R8636
220K
C8621
330pF
SCART_Lout
C8625
0.1uF
50V
0.1uF
50V
SCART_AMP
R8637
220K
C8626
330pF
R8642
5.6K
SCART_AMP
R8644
0
SCART_Rout
R8634
2.2K
2.2K
SCART_AMP
R8639
33K
SCART_AMP
C8627
33pF
SCART_AMP
DTV/MNT_R_OUT
C8622
10uF
16V
10uF
16V
SCART_AMP
R8646
10K
SCART_AMP
SCART_AMP
R8641
470K
470K
OPT
C8617
33pF
R8625
10K
EXT_SPK_DET
R8613
1K
R8612
15K
+3.3V_NORMAL
R8610
100
2011.02.09
xxLT760H-UA
86
EXT_SPK
EXT_SPK AMP
400mA
EXT_SPK OUT
CLOSE TO MTK
CLOSE TO MTK
EXT_SPK OP AMP
Connected
High
EXT_SPK_DET
Disconnected
Low
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