LG 32MB25VQ, Service Manual

Page: 12 / 16

THERMAL
THERMAL
THERMAL
THERMAL
THERMAL
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
CLKOUTM-B
KEY/SDA
Y1P-B
VDT2
3.3VS
SPI_/CS
KEY/SCL
HSYNC
Y3P-A
SPI_CLK
5VS
VFB4
DRV
WP_Flash
Y1M-A
1.2VS
Y2P-A
Y2P-B
Y0P-A
DSUB_SCL
RED
VFB2
WP_24C02
VSYNC
1.2VS
BLUE
VFB1
HDMI_SDA
SPI_DI
Y3M-B
3.3VS
1.2VS
DSUB_SDA
VFB3
SPI_CLK
WP_Flash
SENP
CLKOUTP-A
Y2M-B
VDT3
5VS
SPI_/CS
Y1M-B
3.3VS
VDT1
OVP
CLKOUTP-B
SPI_DO
CLKOUTM-A
Y3P-B
Y0M-B
VDT4
HDMI_SCL
GND
GREEN
Y0P-B
DSUB_DET
Y1P-A
Y0M-A
Y2M-A
Y3M-A
SPI_DI
SPI_DO
3.3VS
3.3VS
1.2VS
DVI2-
DVI1-
DVIC-
DVI0-
DVI2+
DVI1+
DVI0+
DVIC+
DVI_SCL
DVI_SDA
HDMI_RXC-
H
HDMI_RX2-
HDMI_RX0-
H
H
H
HDMI_RX1-
HDMI_HPD
LED_ON
5VS
FB
5VS
1.2VS
HP_DET
AMP_MCL
AMP_MUTE
AMP_RST
HDMI_DET
5VS
19V_AMP
3.3VS
1.2VS
3.3V-S2
HP_L_OUT HP_R_OUT
R133
56
R127
470
R130
56
C158
0.1uF
16V
R140
56
R146
1M
READY
R195 10K
R137
56
C157
22pF
50V
READY
R150 20K
C134
0.047uF
C129
0.047uF
C139
0.1uF
16V
R141
56
C132
0.047uF
C122
0.1uF
16V
C124
0.1uF
16V
C123
0.1uF
16V
C125
0.1uF
16V
C120
0.1uF
16V
C121
0.1uF
16V
C126
0.1uF
16V
C119
0.1uF
16V
C117
0.1uF
16V
C127
0.1uF
16V
C145
100pF
50V
R144
56
R143
56
R132
56
R134
56
C146
1uF
10V
C138
0.1uF
16V
C140
10uF
10V
R148
10K
R152
10K
R180
4.7K
R187
4.7K
READY
R188
4.7K
R128
4.7K
R129
4.7K
R142
1K
R153 5.1 1/10W 5% R151 5.1 1/10W 5% R149 5.1 1/10W 5% R147 5.1 1/10W 5%
C128
0.1uF
16V
C130
0.1uF
16V
C118
0.1uF
16V
R122
56
C133
0.047uF
R135
100
R131
100
C131
0.047uF
R139
100
C135
0.047uF
C136
15pF
50V
C137
15pF
50V
D108
30V
BAT54
R154
1K
L100
UBW2012-121F
JP105
JP106
C114
4.7uF
10V
C113
4.7uF
10V
L103
UBW2012-121F
D101
KDS184
A2
C
A1
D100
KDS184
A2
C
A1
R126
56
R125
56
R123
56
R124
56
IC101
W25X40CLSNIG
3
WP
2
DO[IO1]
4
GND
1
CS
5
DI[IO0]
6
CLK
7
HOLD
8
VCC
IC103
APE8839AMP-C
3
VOUT2
2
VIN1
4
VIN2
1
VOUT1
5
EN2
6
GND_2
7
GND_1
8
EN1
9
[EP]GND
C141
1uF
10V
C159
68uF
35V
C100
10uF
10V C101
10uF
10V C102
10uF
10V
C160
1uF
10V
READY
C161
1uF
10V
READY
C147
1uF
10V
VA104 5.5V READY
ADUC 5S 02 0R5L
R120 0
5%
TPS5433
R105-*1
15K
APW7313
IC102-*1
APW7313KAITRG
APW7313
3
LX
2
VIN
4
GND
1
BS
5
FB
6
COMP
7
EN
8
SS
9
[EP]GND
R115
0
1/10W
TPS5433
R104-*1
68K
APW7313
C111
15pF
50V
TPS5433
R
1
0
5
1
8
K
TPS5433
R
1
0
4
1
0
0
K
TPS5433
L102
4.7uH
TPS5433
C115
0.47uF
16V
TPS5433
C110
0.1uF
16V
TPS5433
C116
8200pF
25V
TPS5433
R110
100K
L102-*-1
10uH
APW7313
R115-*1
100
1/10W
APW7313
C110-*1
0.01uF
25V
APW7313
C115-*1
3300pF
50V
APW7313
R120-*1
8.2K 1%
APW7313
C116-*1
0.1uF
16V
APW7313
C143
4.7uF
10V
19VS
L106
UBW2012-121F
READY
C166
0.1uF
16V
3.3VS
D111
5.6V
CDS3C05HDMI1
R118
10
R182
33
R183
33 R196
33
R197
33
5VS
Q111
MMBT3904(NXP)
E
B
C
C142
4.7uF
10V
R155
4.7K
C169
4.7uF
10V
R339 20K
R101
6.8
2W
C170
0.1uF
25V
TPS5433
R341 0
D120
KDS184
READY
A2
C
A1
D121
KDS184
READY
A2
C
A1
IC102
TPS54339EDDAR
TPS5433
3
SW
2
VIN
4
GND
1
VBST
5
VFB
6
VREG5
7
EN
8
SS
9
[EP]GND
Q112
MMBT3904(NXP)
READY
E
B
C
C171
1uF
10V
READY
R351
4.7K
READY
5VS
R353
22K
READY
R352
1K
READY
3.3V-S2
3.3V_AMP_ON
Q
1
1
3
Z
X
M
P
3
F
3
0
F
H
T
A
READY
G
D S
R349
4.7K
READY
R350
4.7K
READY
R354
56
READY
3.3V_AMP_ON
3.3V-AMP
D114
KDS184
A2
C
A1
D115
KDS184
A2
C
A1
L105
UBW2012-121F
C199
1uF
10V
READY
C174
68uF
35V
AMP_SCL
AMP_SDA
3.3V-AMP
R198
4.7K
READY
R199
4.7K
READY
3.3VS
R245
22K
READY
5VS
Y2P-B
C168
1uF
25V
READY
C176
1uF
25V
READY
R249
0
Y0M-B
Y0P-B
Y1M-A
R248
10K
READY
Y0P-A
R250
1K
READY
Y3M-A
R243
4.7K
READY
+12V_PANEL
R242
4.7K
READY
P102
FI-RE51S-HF-J-R1500
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
Y0M-A
C175
1uF 25V
READY
Y3P-B
CLKOUTM-B
Y2M-A
Y1P-A
C177
1000pF
50V
READY
R244
4.7K
READY
Y3P-A
Y2M-B
CLKOUTM-A
Y1M-B
Y3M-B
Y1P-B
Q102
ZXMP3F30FHTA
READY
G
D S
R247
3.3K
READY
MODON
Q101
MMBT3904(NXP)
READY
E
B
C
CLKOUTP-A
CLKOUTP-B
Y2P-A
LED_INDICATOR
19VS
R217
10K
1%
R178
10K
1%
L109
15uH
C154
330pF
50V
R179
0
1/16W
5%
R166
100K
READY
C112
2.2uF
25V
R119
10K
D102
40V
SMAB34
C151
150pF
50V
READY
C167
0.1uF
16V
MODON
C162
47uF
25V
R117
180K
R116
13K
R240
200K
1%
ZD100
5.6B
READY
R241
1K
1/16W
READY
C109
68pF
50V
R194
15K
1%
C150
0.1uF
16V
C148
2.2uF
25V
C165
2.2uF
25V
C156
150pF
50V
READY
R224
10K
READY
+12V_PANEL
R175
200K
1%
R121
22
IC104
MP1584EN
3
COMP
2
EN
4
FB
1
SW
5
GND
6
FREQ
7
VIN
8
BST
9
[EP]GND
Q100
MMBT3904(NXP)
READY
E
B
C
R102
1K
READY
R106
0
READY
R246
2.7K
READY
R158 5.6K
1%
DVI_DET
JK100
KJA-DC-1-0032
1
1
2
2
4
4
MODON
3.3VS
R355 10K READY
R168
10K
READY
X100
14.31818MHz
C163
2.2uF
25V C164
2.2uF
25V
C107
2.2uF
25V
P301
12507WR-10L
1
2
3
4
5
6
7
8
9
10
11
R405
0
READY
3.3VS
R404
0
5VS
KEY/SCL
KEY/SDA
L402
BLM18PG121SN1D
C400
0.1uF
16V
C401
1000pF
50V
R402
4.7K
R403
4.7K
R401
0
CONTROL_NO_FILTER
L400
BLM18PG121SN1D
CONTROL_FILTER
L401
BLM18PG121SN1D
CONTROL_FILTER
R400
0
CONTROL_NO_FILTER
LED_INDICATOR
JP401
JP402
JP403
JP404
JP400
V
A
4
0
0
A
D
U
C
2
0
S
0
2
0
1
0
L
20V
READY
V
A
4
0
1
A
D
U
C
2
0
S
0
2
0
1
0
L
20V
READY
V
A
4
0
2
A
D
U
C
2
0
S
0
2
0
1
0
L
20V
READY
V
A
4
0
3
A
D
U
C
2
0
S
0
2
0
1
0
L
20V
READY
R501
4.7K
READY
R500 4.7K
R138
1K
R251
1K
R145
1K
IC100
NT68773H
1
PA4/INTE2
2
PA7/SDA3/TXD3
3
PA6/SCL3/RXD3
4
TVCC
5
RX1C-
6
RX1C+
7
RX10-
8
RX10+
9
RX11-
10
RX11+
11
RX12-
12
RX12+
13
PA0/ADC4
14
PA1/ADC5
15
PC3
16
PA5/INTE3
17
PB7/SDA1/TXD1
18
PB6/SCL1/RXD1
19
PE3/CEC1
20
REXT
21
RX2C-
22
RX2C+
23
RX20-
24
RX20+
25
RX21-
26
RX21+
27
RX22-
28
RX22+
29
TGND
30
ADC_3.3V/TVCC
31
ADC_1.2V
32
AGND
33
BIN+
34
BIN-
35
GIN+
36
GIN-
37
RIN+
38
RIN-
39
HSYNCI
40
VSYNCI/TOUTP
41
PB5/SDA0/TXD0
42
PB4/SCL0/RXD0
43
PC5/IR2/PWMD
44
OSC_VDD
45
OSCO
46
OSCI
47
OSC_GND/DGND
48
PB0/INTE0/ADC0
49
PB1/ADC1
50
PA3/PWMD
51
NC
52
MVDD_3.3V_1
53
DVDD
54
RSTB
55
CVDD_1.2V_1
56
PC7/IR3/SPDIF
57
AUDIO_VDD
58
AUDIO_CEXT1
59
WD/AIN_R
60
I2S0/AIN_L
61
SCK/AOUT_R
62
MCLK/AOUT_L
63
AUDIO_VP
64
AUDIO_GND
65
PC6/MUTE/PWMB
66
PC0/PWMB
67
P35/LPD_OUT
68
P34
69
PE0/PWMA/DBC
70
SPI_CE
71
SPI_SO
72
SPI_SI
73
SPI_CLK
74
LVDS_GND/DGND
75
T7P
76
T7M
77
TCLK2P
78
TCLK2M
79
T6P
80
T6M
81
T5P
82
T5M
83
T4P
84
T4M
85
T3P
86
T3M
87
TCLK1P
88
TCLK1M
89
T2P
90
T2M
91
T1P
92
T1M
93
T0P
94
T0M
95
LVDS_3.3V
96
BOOT
97
5VCC
98
DRV
99
COMP
100
SENN
101
SENP
102
OVP
103
FB
104
VDET1
105
VFB1
106
ISEN1
107
VDET2
108
VFB2
109
ISEN2
110
VDET3
111
VFB3
112
ISEN3
113
VDET4
114
VFB4
115
ISEN4
116
DVDD/LED_3.3V
117
CVDD_1.2V_2
118
DGND
119
MVDD_3.3V_2
120
PE1/LPDIN0/VSO
121
PC4/IR1/PWMC
122
P31/TXD
123
P30/RXD
124
PE2/PWMC
125
PB3/ADC3
126
PB2/INTE1/ADC2
127
PA2/ADC6/CEC0
128
PC2
129
[EP]
JP107
JP405 JP406 JP407 JP408
C178
68uF
35V
READY
L104
UBW2012-121F
READY
PCB P/N: EAX65842902 (LM42A)
Date : 2014.03.18
SCALER
4 1
Close to Scaler
4M Serial Flash
S/W Control
Large thermal PAD on bottom side
Close to IC
19V to 5V DC/DC
NEAR DC JACK
2-Ch LDO
Large thermal PAD on bottom side
32MB25 2014-02-18
3A
Multi Option for APW7313(DC/DC)
Control/LED indicator
LVDS OUT
[51Pin LVDS Connector]
(For FHD 60Hz)
LVDS_SEL
19V TO 12V DCDC CONVERTER
Location : Closed to IC104
3A
0.923A
EAW44309701 -> 6202TST001A
DIP -> SMD
2013.10.07.
** Non-Reverse type **