Read LG 32LF15R (CHASSIS:LP81A) 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.
JP600
0.1uF
C641
+5V_MULTI
+12V
+12V
SW_R
0.1uF
C633
680K
R637
+5V_MULTI
SPK_R-
+5V_MULTI
2.2uF
C662
+5V_MULTI
680K
R640
4.7K
R633
SW_L
4.7K
R634
4.7K
R649
MNT_ROUT
MNT_L_AMP
SPK_R-_HOTEL
SPK_L-
MC74HC4066ADR2G
IC602
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
COMP1_R
680K
R638
680K
R639
680K
R629
2.2uF
C665
+12V
1K
R645
680K
R630
0.
1u
F
HOTEL_OPT
C646
680K
R612
680K
R611
AUDIO_SW
SPK_R+
MNT_LOUT
33pF
C627
1K
R646
+16V_NTP
+5V_MULTI
33pF
C628
SIDE_RIN
2.2uF
C664
MNT_R_AMP
+5V_MULTI
JP601
COMP1_L
+5V_MULTI
SIDE_LIN
6800pF
C650
SPK_R+_HOTEL
AUDIO_SW
6800pF
C649
2.2uF
C663
4.7K
R647
SPK_L+
LM324D
IC601
3
INPUT1+
2
INPUT1-
4
VCC
1
OUT1
6
INPUT2-
5
INPUT2+
7
OUT2
8
OUT3
9
INPUT3-
10
INPUT3+
11
GND
12
INPUT4+
13
INPUT4-
14
OUT4
AUDIO_R
SW_RESET
10K
R641
+1.8V_DVDD
SPK_L+
0.1uF
C605
0.1uF
C617
10uF
16
V
C604
+1.8V_DVDD
0.1uF
C636
4.7K
R623
1uF
C608
1000pF
C630
3.3
R635
0.1uF
C602
1000pF
C620
I2S_SDO
0.01uF
C648
0.1uF
C629
+16V_NTP
NTP3000A
IC600
1
BST1A
2
VDR1A
3
/RESET
4
AD
5
VSS_IO
6
CLK_I
7
CLK_O
8
VDD_IO
9
DGNDPLL
10
AGNDPLL
11
LFM
12
AVDDPLL
13
DVDDPLL
14
NC_1
15
DVSS
16
DVDD
17
SDATA
18
WCK
19
BCK
20
SDA
21
SCL
22
PWM_3B/PWM_HP2
23
PWM_3A/PWM_HP1
24
PROTECT
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_2
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
0.47uF
C640
22000pF
C623
0.1uF
C637
1uF
C624
10uF
16
V
C600
+3.3V
100pF
C601
SCL_Part
1000pF
C635
1000pF
C634
SPK_L-
330uF
35V
C612
1000pF
C631
0
HOTEL_OPT
R642
SPK_R-
100
R601
+16V_NTP
1000pF
C606
0.01uF
C638
+16V_NTP
4.7K
R627
+16V_NTP
SPK_R+
100
R602
I2S_MCLK
0.01uF
C647
+1.8V_AVDD
0.01uF
C613
10uF
16V
C609
100pF
READY
C642
DA-8580
EAP38319001
L603
2S
1S
1F
2F
22000pF
C616
0.1uF
C607
3.3K
R600
1000pF
C603
+16V_NTP
3.3
R636
+1.8V_AVDD
AC_DET
100
R603
0.1uF
C644
0.47uF
C632
1uF
C618
1000pF
50V
C651
3.3
R604
0.01uF
C639
0.1uF
C615
4.7K
R628
4.7K
R624
1000pF
C621
3.3
R625
0.1uF
C626
+16V_NTP
0.1uF
C610
22000pF
C625
1000pF
C622
1000pF
C619
I2S_SCK
I2S_WS
3.3
R626
0.1uF
C643
SDA_Part
22000pF
C611
DA-8580
EAP38319001
L607
2S
1S
1F
2F
SW_RESET
AMP_MUTE_HOTEL
3.9
R607
3.9
R609
3.9
R608
3.9
R610
3.9
R622
3.9
R618
3.9
R617
3.9
R621
330uF
35
V
C666
12505WR-09A00
HOTEL_OPT
P600
1
2
3
4
5
6
7
8
9
10
RT1C3904-T112
Q600
E
B
C
RT1C3904-T112
Q606
E
B
C
RT1C3904-T112
Q607
E
B
C
SMAW250-04
P601
1
2
3
4
1uF
C614
+1.8V
+1.8V_AVDD
+1.8V_DVDD
30V
READY
D600
10K
R616
NON HOTEL_OPT
10K
R613
NON HOTEL_OPT
6.8K
R620
6.8K
R619
30V
R E
A D
Y
D601
30V
READY
D602
30V
R E
A D
Y
D603
UBW2012-121F EAM38769505
120OHM
L606
UBW2012-121F
EAM38769505
120OHM
L614
UBW2012-121F
EAM38769505
120OHM
L615
0
R606
2SA1530A-T112-1R
Q608
E
B
C
+3.3V_MST
10K
R650
100
R651
RT1C3904-T112
Q609
HOTEL_OPT
E
B
C
10K
R631
HOTEL_OPT
AMP_MUTE_HOTEL
+3.3V
0
R605
READY
+3.3V
10K
R E
A D
Y
R648
200
R632
HOTEL_OPT
15K
HOTEL_OPT
R613-*1
15K
HOTEL_OPT
R616-*1
UBW2012-121F EAM38769505
L613
UBW2012-121F EAM38769505
L611
UBW2012-121F EAM38769505
L610
UBW2012-121F EAM38769505
L612
33pF
50V
C667
READY
33pF
50V
C668
READY
4.7uF
10V
C669
HOTEL_OPT
1N4148W
100V
D604
R E
A D
Y
1N4148W
100V
D605
R E
A D
Y
1N4148W
100V
D606
R E
A D
Y
1N4148W
100V
D607
R E
A D
Y
100
R614
100
R615
+12V
+12V
SPK_L-
+3.3V_1
+3.3V_1
AUDIO
MSTAR N-EU
6 11
Chinese Hotel Option
for COMP1
for SIDE R/L
AMP :GAIN X 4
Audio S/W : COMP1 or SIDE L/R
Digital Audio AMP
EAX40043809
MSTAR LP81A
2008/01/08
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