DOWNLOAD LG 37LH50YR (CHASSIS:LP91B) Service Manual ↓ Size: 2.23 MB | Pages: 30 in PDF or view online for FREE

Model
37LH50YR (CHASSIS:LP91B)
Pages
30
Size
2.23 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
37lh50yr-chassis-lp91b.pdf
Date
PREV: LG 37LH50YD (CHASSIS:LB91B) Service Manual

LG 37LH50YR (CHASSIS:LP91B) Service Manual ▷ View 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.
SIDE_V
10
R879
TMDS1_RX0-
0.01uF
C862
CVBS_LIN
MEMC_RXE4-
+1.8V_DDR
MEMC_RXE3-
100
R8026
MAIN_SIF
MNT_VOUT_T
100
R8025
PC_AUD_L
0.01uF
C839
+1.2V_VDDC_MST
PANEL_ON
KDS181
D801
DDR2_DQM0
33 
AR818
DSUB_SDA
DDR2_DQM1
DDR2_BA1
MEMC_RXOC-
PC_R
10
R801
33
R844
DDC_SCL3
+3.3V_MULTI_MST
TMDS3_RX1+
100
R895
MEMC_RXO1+
4.7uF
C820
100
R881
DDR2_MCLKZ
DSUB_SDA
100
R826
COMP2_Y
10
R821
M_SDA
KDS181
D803
DDC_WP
I2S_SDO
MEMC_RXE2+
56 
AR814
I2S_SCK
SPI_DI
TMDS1_RX1+
100
R888
+3.3V_MST
SYS_RESET
0
R8035
2.2uF
C856
2.2uF
C822
+1.2V_VDDC_MST
EEP_SDA
100
R8012
TMDS3_RX2+
DDC_WP
TMDS2_RX1-
TV_MAIN
100
R8015
READY
SIDE_LIN
100
R846
0.01uF
C879
CVBS_RIN
SPI_DO
PANEL_STATUS
0
R8008
100
R8023
10
R851
0
R800
PC_AUD_R
EEP_SCL
2.2uF
C872
10
R854
DDR2_DQS0P
10
R880
100
R8022
DDC_SCL1
MEMC_RXE1-
DDR2_WEZ
1000pF
C835
MEMC_RXO3+
10
R856
4.7K
R866
0
R812
+5VST_MST
TMDS3_RX2-
MEMC_RXO4-
CAT24WC08W-T
IC803
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
4.7K
R8004
HDCP_READY
+3.3V_MULTI_MST
DDR2_MCLK
RXD
2.2uF
C821
COMP2_PR
100
R849
POWER_SW
SW_RESET
10
R871
RL_ON
+3.3V_MULTI_MST
TMDS2_RXC+
TMDS2_RXC-
0.1uF
C813
RT1C3904-T112
Q804
E
B
C
+3.3V_MULTI_MST
10K
R855
SPI_DO
COMP1_R
+1.2V_VDDC_MST
1K
R867
TMDS3_RXC-
SPI_CLK
100
R825
10
R823
0.1uF
C853
0.1uF
C811
1K
R860
0
R813
2.2uF
C823
TMDS2_RX1+
HPD_MST_3
56 
AR815
0.01uF
C803
100
R8024
0.01uF
C858
SIDE_RIN
COMP1_L
+3.3V_MULTI_MST
EEP_SCL
KDS181
D802
MEMC_RXE0+
0.01uF
C863
COMP1_PB
MULTI_PW_SW
100
R882
10
R892
DDR2_DQS0M
100
R828
E-DIM
DDR2_CKE
22K
R842
SUB_SDA
MEMC_RXO0- MEMC_RXO0+
JTP-1127WEM
SW800
1
2
4
3
HPD_MST_1
RT1C3904-T112
Q802
E
B
C
DDC_SDA1
2.2uF
C873
+3.3V_MULTI_MST
2.2uF
C801
4.7K
R878
10
R820
MNT_R_AMP
1 M 
R839
DDR2_ODT
DDR2_D[0-15]
ISA1530AC1
Q800
E
B
C
0.01uF
C807
TMDS1_RX2-
56 
AR813
10
R874
2.2uF
C824
IR
TXD
100
R850
+5VST_MST
TMDS2_RX0-
0.01uF
C860
MEMC_RXO1-
MEMC_RXE2-
RL_ON
MNT_VOUT
+12V_AUDIO
100
R829
COMP2_L
390
R840
EEP_SDA
1K
R868
0.1uF
C848
2.2uF
C802
100
R827
TMDS3_RXC+
+3.3V_MULTI_MST
10
R805
MEMC_RXO4+
10
R862
12MHz 
X801
TMDS2_RX2-
24LC256-I/SM
IC801
24C64_Normal
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
USB_DN
POWER_DET
402
R807 READY
56 
AR800
100
R824
TMDS1_RXC-
10
R872
MEMC_RESET
I-DIM
56
AR810
56
AR805
COMP1_Y
RT1C3904-T112
Q803
E
B
C
10
R869
SPI_CZ
+5VST_MST
0.01uF
C864
10
R859
0
R870
10
R858
KEY2
2.2uF
C874
0.1uF
C844
0.1uF
C814
0
R8001
READY
10
R841
DDR2_DQS1P
DDR2_A[0-12]
SYS_RESET
10uF1
6V
C809
MEMC_RXE1+
SUB_SCL
DDR2_CASZ
MEMC_RXO3-
MEMC_RXO2-
100
R8021
PC_B
+1.8V
DDC_SCL2
P_12V
TMDS3_RX0+
MEMC_RXEC-
4.7uF
C812
2.2uF
C875
DDC_SDA3
0
R8034
MNT_L_AMP
DDR2_RASZ
PC_HS
+3.3V_MULTI_MST
TMDS1_RX2+
100
R
80
14
READY
0.1uF
C849
TXD
56 
AR812
EEP_SDA
33K
R8007
TMDS2_RX0+
MEMC_RXE3+
4.7K
R8028
I2S_MCLK
COMP2_R
USB_DP
2.2uF
C861
0.01uF
C841
TMDS1_RX0+
TMDS3_RX0-
0.01uF
C865
22
R8005
HDCP_READY
SPI_DI
TMDS2_RX2+
10K
R8020
EEP_SCL
CVBS_VIN
10
R822
10
R873
TMDS1_RXC+
10K
R8000
2.2uF
C8000
READY
MNT_VOUT_T
22
R8006
HDCP_READY
MEMC_RXE4+
COMP1_PR
MEMC_RXEC+
KEY1
DISP_EN/VAVS_ON
4.7K
R865
1000pF
C846
CEC_C
P_16V
10
R890
DDC_SDA2
MUTE_LINE
DDR2_BA0
MEMC_RXOC+
PC_G
100
R847
4.7K
R877
10K
R8003
DSUB_SCL
1K
R8038
TMDS3_RX1-
SPI_CZ
+3.3V_MST
MEMC_RXO2+
4.7K
R8027
22K
R845
PC_VS
HPD_MST_2
1000pF
C854
M_SCL
COMP2_PB
RXD
56
R852
10
R848
DDR2_DQS1M
+5VST_MST
33
R843
150
R885
56
AR806
MEMC_RXE0-
I2S_WS
1K
R8018
47
R8041
33K
R887
SPI_CLK
TMDS1_RX1-
56
AR809
10K
R8036
READY
ISA1530AC1
Q801
E
B
C
0.1uF
C883
0
R894
100
R893
10
R891
MX25L6405DMI-12G
IC802
IC802_MSTAR
3
NC_1
2
VCC
4
NC_2
1
HOLD
6
NC_4
5
NC_3
7
CS
8
SO/SIO1
9
WP/ACC
10
GND
11
NC_5
12
NC_6
13
NC_7
14
NC_8
15
SI.SIO0
16
SCLK
+1.8V
47uF
25
V
C870
0
R806
SIDE_C
SIDE_Y
MODEL_OPT1
+3.3V_MULTI_MST
+3.3V_MULTI_MST
MODEL_OPT2
MODEL_OPT2 
MODEL_OPT1
OPC_EN
POWER_DET
0
R8033
R EA
D Y
0.1uF
C833
0.1uF
C869
0.1uF
C868
0.01uF
C840
0.01uF
C859
0.01uF
C810
0.1uF
C838
0.1uF
C806
0.1uF
C805
0.1uF
C804
0.047uF
C852
0.047uF
C827
0.047uF
C825
0.047uF
C845
0.047uF
C828
0.047uF
C832
0.047uF
C855
0.047uF
C8002
0.047uF
C826
0.047uF
C834
0.047uF
C847
0.047uF
C831
0.047uF
C829
0.047uF
C830
0.047uF
C836
0.047uF
C837
0.047uF
C851
0.047uF
C843
0.047uF
C8001
0.1uF
C815
0.1uF
C819
0.01uF
C880
0.1uF
C882
0.01uF
C876
0.01uF
C881
0.1uF
C842
0.01uF
C850
47
R838
47
R8042
47
R832
47
R875
47
R8019
47
R817
47
R833
47
R834
47
R815
47
R816
47
R804
47
R818
47
R876
47
R836
47
R837
47
R814
470
R835
470
R819
470
R803
100
R8017
100
R8016
4.7K
R8010
READY
4.7K
R8011
100
R8039
100
R8040
1K
R884
READY
1K
R811
READY
1K
R889
1K
R883
220
R808
470
R809
68
R810
0.1uF
C808
1000pF
C818
0.01uF
C857
4.7K
R898
4.7K READY
R896
4.7K
R864
4.7K
R863
1K
R853
+3.3V_MULTI_MST
10uF
16V
C866
0.1uF
C867
+3.3V_AVDD_33_DM
+3.3V_LPLL_VDDP
+3.3V_AVDD_33_DM
+3.3V_AVDD_AU
+3.3V_AVDD_AU
+3.3V_AVDD_33_DM
+3.3V_LPLL_VDDP
IC800
1
RXBCKN
2
RXBCKP
3
RXB0N
4
RXB0P
5
HOTPLUGB
6
RXB1N
7
RXB1P
8
AVDD_33_1
9
RXB2N
10
RXB2P
11
RXACKN
12
RXACKP
13
RXA0N
14
RXA0P
15
AVDD_33_2
16
RXA1N
17
RXA1P
18
GND_1
19
RXA2N
20
RXA2P
21
HOTPLUGA
22
REXT
23
VCLAMP
24
REFP
25
REFM
26
BIN1P
27
SOGIN1
28
GIN1P
29
RIN1P
30
BINM
31
BIN0P
32
GINM
33
GIN0P
34
SOGIN0
35
RINM
36
RIN0P
37
AVDD_33_3
38
GND_2
39
BIN2P
40
GIN2P
41
SOGIN2
42
RIN2P
43
CVBS6
44
CVBS5
45
CVBS4
46
CVBS3
47
CVBS2
48
CVBS1
49
VCOM1
50
CVBS0
51
VCOM0
52
AVDD_33_4
53
CVBSOUT
54
GND_3
55
SIF0P
56
SIF0M
57
VDDC_1
58
AUL5
59
AUR5
60
AUVRM
61
AUOUTL2
62
AUOUTR2
63
AUOUTL1
64
AUOUTR1
65
AUL0
66
A U
R 0
67
AUL1
68
A U
R 1
69
AUL2
70
A U
R 2
71
AUL3
72
A U
R 3
73
A U
C O
M
74
AUL4
75
A U
R 4
76
GND_4
77
A U
V R
P
78
A U
V A
G
79
A V
D D
_ A
U
80
GND_5
81
VDDC_2
82
D D
C A
_ C
K
83
D D
C A
_ D
A
84
D D
C D
A _C
K
85
D D
C D
A _D
A
86
D D
C D
B _C
K
87
D D
C D
B _D
A
88
GPIO20
89
VDDP_1
90
VDDC_3
91
UART2_RX
92
UART2_TX
93
D D
C D
C _C
K
94
R X
C C
K N
95
R X
C C
K P
96
D D
C D
C _D
A
97
R X
C 0N
98
RXC0P
99
GND_6
100
R X
C 1N
101
RXC1P
102
A V
D D
_ D
M
103
R X
C 2N
104
RXC2P
105
H O
T PL
U G
C
106
U SB
1 _D
M
107
USB1_DP
108
S C
K
109
SDI
110
S D
O
111
SCZ
112
P W
M 0
113
P W
M 1
114
P W
M 2
115
P W
M 3
116
LVA4P
117
L V
A 4M
118
LVA3P
119
L V
A 3M
120
L V
A C
K P
121
L V
A C
K M
122
LVA2P
123
L V
A 2M
124
LVA1P
125
L V
A 1M
126
LVA0P
127
L V
A 0M
128
VDDP_2
129
LVB4P
130
LVB4M
131
LVB3P
132
LVB3M
133
LVBCKP
134
LVBCKM
135
LVB2P
136
LVB2M
137
LVB1P
138
LVB1M
139
LVB0P
140
LVB0M
141
AVDD_LPLL
142
GND_7
143
VDDC_4
144
GPIO150/I2C_OUT_MUTE
145
GPIO151/I2C_OUT_SD2
146
GPIO152/I2C_OUT_SD3
147
GND_8
148
GPIO51
149
GPIO52
150
GPIO53
151
GPIO54
152
GPIO55
153
GPIO56
154
GPIO57
155
GPIO58
156
VDDP_3
157
VDDC_5
158
B_MDATA[4]
159
B_MDATA[3]
160
GND_9
161
B_MDATA[1]
162
B_MDATA[6]
163
AVDD_DDR_1
164
B_MDATA[11]
165
B_MDATA[12]
166
GND_10
167
B_MDATA[9]
168
B_MDATA[14]
169
AVDD_DDR_2
170
B_DDR2_DQM[1]
171
B_DDR2_DQM[0]
172
GND_11
173
B_DDR2_DQS[0]
174
B_DDR2_DQSB[0]
175
AVDD_DDR_3
176
VDDP_4
177
GND_12
178
B_DDR2_DQS[1]
179
B_DDR2_DQSB[1]
180
AVDD_DDR_4
181
B_MDATA[15]
182
B_MDATA[8]
183
GND_13
184
B_MDATA[10]
185
B_MDATA[13]
186
AVDD_DDR_5
187
B_MDATA[7]
188
B_MDATA[0]
189
B_MDATA[2]
190
B_MDATA[5]
191
B_MCLK
192
B_MCLKZ
193
GND_14
194
A V
D D
_ M
E M
P LL
195
M V
R EF
196
A _O
D T
197
A_RASZ
198
A_CASZ
199
A_MADR[0]
200
A_MADR[2]
201
A_MADR[4]
202
GND_15
203
A_MADR[6]
204
A_MADR[8]
205
A_MADR[11]
206
A _W
E Z
207
A_BADR[1]
208
A_BADR[0]
209
A_MADR[1]
210
A_MADR[10]
211
A V
D D
_ D
D R
_ 6
212
A_MADR[5]
213
A_MADR[9]
214
A_MADR[12]
215
A_MADR[7]
216
A_MADR[3]
217
A _M
C LK
E
218
VDDC_6
219
I2S_IN_WS/GPIO67
220
I2S_IN_BCK/GPIO68
221
I2S_IN_SD
222
I2S_OUT_MCK
223
I2S_OUT_WS
224
VDDP_5
225
GND_16
226
VDDC_7
227
I2S_OUT_BCK
228
I2S_OUT_SD
229
SPDIFO
230
UART2_RX/I2CM_SDA
231
UART2_TX/I2CM_SCK
232
UART1_RX/GPIO86
233
UART1_TX/GPIO87
234
GND_17
235
GND_18
236
U SB
0 _D
M
237
USB0_DP
238
SAR0
239
SAR1
240
SAR2
241
SAR3
242
A V
D D
_ M
P LL
243
X O
U T
244
XIN
245
GPIO134
246
GPIO135
247
GPIO138
248
GPIO139
249
GPIO140
250
IRIN
251
H SY
N C
0
252
V SY
N C
0
253
H SY
N C
1
254
V SY
N C
1
255
C E
C
256
H W
R ES
E T
10K
R8031
DDC_WP
RT1C3904-T112
Q805
E
B
C
2K
R886
S_VIDEO_DET
3.3K
R8029
4.7K
R8032
0
R8037
4.7uF
10V
READY
C871
1K
R861
0
R8002
MEMC_RESET
MLB-201209-0120P-N2
L801
MLB-201209-0120P-N2
L802
4.7K
READY
R899
+3.3V_MST
20pF
C817
20pF
C816
0
L800
47
R831
47
R857
47
R830
47
R897
47
R802
DDR2_D[4]
DDR2_D[1]
DDR2_D[0]
DDR2_D[8]
DDR2_D[5]
DDR2_A[5]
DDR2_D[9]
DDR2_D[13]
DDR2_A[11]
DDR2_A[2]
DDR2_A[8]
DDR2_D[14]
DDR2_A[7]
DDR2_D[12]
DDR2_A[0]
DDR2_D[15]
DDR2_D[6]
DDR2_D[3]
DDR2_A[6]
DDR2_A[12]
DDR2_A[1]
DDR2_D[10]
DDR2_A[3]
DDR2_D[11]
DDR2_A[4]
DDR2_D[7]
DDR2_A[10]
DDR2_A[9]
DDR2_D[2]
EAX58017401 Mstar LCD LH50
H6 LH50
MAIN 
Mstar
8
   1
2
2008/12/23
HDMI_3
R8014:M_SCL_REAR
R8015:M_SDA_REAR
Clo
se
 to
 I
C
wit
h w
id
th
 tr
ac
e
C804/C805/C806:Close to IC        as close as possible
HDMI_1
EEPROM
GAIN X 4
HDMI_2
Close to IC as close as possible
USB PART
[MODE SELECTION]
I2S_OUT
RESET
R8016:DSP_BSY/FAN_ALARM
R8017:DSP_IRQ/FAN_EN
HDCP EEPROM READY
SERIAL FLASH 8M
R893:AUDIO_SW
R898
4.7K
100HZ
4.7K
R8010
X
X
4.7K
4.7K
X
4.7K
X
**H/W OPTION
X
4.7K
4.7K
Non Small FHD
4.7K
X
X
X
4.7K
4.7K
R896
X
4.7K
R8011
Apollo
4.7K
Small HD(19/22)
X
Small FHD (27)
Non Small HD
4.7K
4.7K
Close to IC Pin
           LGE3767A 
          MST99A88ML
(MATRIX ONLY SD DIVX_ NON RM)
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.
56
R904
1K
R908
0.01uF
C916
0.01uF
C914
0.01uF
C906
0.01uF
C908
0.01uF
C910
0.01uF
C903
150
R906
READY
0.01uF
C909
0.01uF
C915
56
R901
0.01uF
C911
0 . 0 1 u F
C904
0.01uF
C901
56
R905
0.01uF
C912
56
R903
0.01uF
C907
0.01uF
C913
0.01uF
C902
+1.8V_DDR
0.01uF
C917
56
R900
1K
R907
56
R902
0 . 1 u F
50V
C918
1000pF
C905
DDR2_A[0-12]
DDR2_BA0
DDR2_BA1
DDR2_MCLK
DDR2_MCLKZ
DDR2_CKE
DDR2_ODT
DDR2_RASZ
DDR2_CASZ
DDR2_WEZ
DDR2_DQS0P
DDR2_DQS1P
DDR2_DQM0
DDR2_DQM1
DDR2_DQS0M
DDR2_DQS1M
DDR2_D[0-15]
0.01uF
C900
+1.8V_DDR
+1.8V_DDR
10uF 10V
C919
H5PS5162FFR-S6C
IC900-*1
DDR2_HYNIX
J 2
VREF
J 8
CK
H2
VSSQ2
B7
UDQS
N8
A4
P8
A8
L1
NC4
L2
BA0
R8
NC3
K7
RAS
F8
VSSQ3
F3
LDM
P3
A9
M3
A1
N3
A5
K8
CK
R3
NC5
L3
BA1
J 7
VSSDL
L7
CAS
F2
VSSQ4
B3
UDM
M2
A10/AP
K2
CKE
R7
NC6
M7
A2
N7
A6
M8
A0
J 1
VDDL
K3
WE
E8
LDQS
P7
A11
K9
ODT
A2
NC1
N2
A3
P2
A7
H8
VSSQ1
F7
LDQS
A8
UDQS
R2
A12
L8
CS
E2
NC2
E7
VSSQ5
D8
VSSQ6
D2
VSSQ7
A7
VSSQ8
B8
VSSQ9
B2
VSSQ10
P9
VSS1
N1
VSS2
J 3
VSS3
E3
VSS4
A3
VSS5
G9
VDDQ1
G7
VDDQ2
G3
VDDQ3
G1
VDDQ4
E9
VDDQ5
C9
VDDQ6
C7
VDDQ7
C3
VDDQ8
C1
VDDQ9
A9
VDDQ10
R1
VDD1
M9
VDD2
J 9
VDD3
E1
VDD4
A1
VDD5
B9
DQ15
B1
DQ14
D9
DQ13
D1
DQ12
D3
DQ11
D7
DQ10
C2
DQ9
C8
DQ8
F9
DQ7
F1
DQ6
H9
DQ5
H1
DQ4
H3
DQ3
H7
DQ2
G2
DQ1
G8
DQ0
HYB18TC512160CF-2.5
IC900
DDR2_400Mhz_QIMONDA
J2 VREF
J8 CK
H2
VSSQ2
B7 UDQS
N8 A4
P8 A8
L1 NC4
L2 BA0
R8 NC3
K7 RAS
F8
VSSQ3
F3 LDM
P3 A9
M3 A1
N3 A5
K8 CK
R3 NC5
L3 BA1
J7 VSSDL
L7 CAS
F2
VSSQ4
B3 UDM
M2 A10/AP
K2 CKE
R7 NC6
M7 A2
N7 A6
M8 A0
J1 VDDL
K3 WE
E8 LDQS
P7 A11
K9 ODT
A2 NC1
N2 A3
P2 A7
H8
VSSQ1
F7 LDQS
A8 UDQS
R2 A12
L8 CS
E2 NC2
E7
VSSQ5
D8
VSSQ6
D2
VSSQ7
A7
VSSQ8
B8
VSSQ9
B2
VSSQ10
P9
VSS1
N1
VSS2
J3
VSS3
E3
VSS4
A3
VSS5
G9
VDDQ1
G7
VDDQ2
G3
VDDQ3
G1
VDDQ4
E9
VDDQ5
C9
VDDQ6
C7
VDDQ7
C3
VDDQ8
C1
VDDQ9
A9
VDDQ10
R1
VDD1
M9
VDD2
J9
VDD3
E1
VDD4
A1
VDD5
B9
DQ15
B1
DQ14
D9
DQ13
D1
DQ12
D3
DQ11
D7
DQ10
C2
DQ9
C8
DQ8
F9
DQ7
F1
DQ6
H9
DQ5
H1
DQ4
H3
DQ3
H7
DQ2
G2
DQ1
G8
DQ0
DDR2_A[0]
DDR2_A[1]
DDR2_A[2]
DDR2_A[3]
DDR2_A[4]
DDR2_A[5]
DDR2_A[6]
DDR2_A[7]
DDR2_A[8]
DDR2_A[9]
DDR2_A[10]
DDR2_A[11]
DDR2_A[12]
DDR2_D[0]
DDR2_D[1]
DDR2_D[2]
DDR2_D[3]
DDR2_D[4]
DDR2_D[5]
DDR2_D[6]
DDR2_D[7]
DDR2_D[8]
DDR2_D[9]
DDR2_D[10]
DDR2_D[11]
DDR2_D[12]
DDR2_D[14]
DDR2_D[15]
DDR2_D[13]
#9.DDR2
DDR2 MEMORY
Close to DDR2 IC
Close to DDR2 IC
EAX58017401
Mstar LCD LH50
H6 LH50
9       1 2
MAIN_DDR
2008/12/23
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.
RT1C3904-T112
Q1004
E
B
C
+1.8V
AZ1085S-3.3TR/E1
IC1003
1
ADJ/GND
2
OUTPUT
3
INPUT
33K
R1049
10K
R1059
READY
0
R1073
100uF1
6V
C1009
33K
R1065
P_12V
560pF
C1012
RT1C3904-T112
Q1001
E
B
C
10uF
16
V
C1000
0.1uF
C1054
2.2K
R1050
1uF
25
V
C1035
+1.8V_DDR
POWER_SW
BD9130EFJ-E2
IC1001
3
ITH
2
VCC
4
GND
1
ADJ
5
PGND
6
SW
7
PVCC
8
EN
1uF
C1048
1UF
SI4925BDY EBK32753101
Q1003
3
S2
2
G1
4
G2
1
S1
5
D2_1
6
D2_2
7
D1_1
8
D1_2
P_12V
AP1117EG-13 
IC1002
1
ADJ/GND
2
OUT
3
IN
3.3K
R1010
+3.3V_MULTI_MST
5.6K
R1058
+12V_LCD
+5V_MULTI
+5V_USB
+1.2V_VDDC_MST
+5V_MULTI
0.1uF
C1014
10K
R1068
10K
R1006
10uF
16
V
C1029
MP2212DN
IC1006
3I
N
2
GND
4B
S
1F
B
5
VCC
6
SW_1
7
SW_2
8
EN/SYNC
0.1uF
C1026
22K
R1070
12K
R1008
1.6K
R1069
PANEL_ON
10uF
25
V
C1031
2.2K
R1051
0.01uF
C1010
+5V_MULTI
P_5V
0.1uF
C1015
10uF
C1022
10K
R1048
10uF
16
V
C1019
0.1uF
C1005
10uF
C1016
+5V_MULTI
+5V_TUNER
0.1uF
C1023
2.2K
R1052
100uF
16
V
C1028
0.01uF
C1021
10uF
25
V
C1030
1uF
25
V
C1047
2K
R1009
10uF
16
V
C1004
10uF
16
V
C1013
10uF
16
V
C1018
10uF
16
V
C1025
3.6uH
L1009
300
R1004
150
R1007
+12V_AUDIO
2SC3875S
Q1002
1
2
3
0.1uF READY
C1024
PANEL_STATUS
P_16V
+3.3V_MST
10K
R1003
I-DIM
10K
R1002
0.01uF
C1007
+16V_NTP
FM20020-24
P1000
19
N
C
14
12V
9
5.2V
4
GND
18
24V
13
12V
8
5.2V
3
GND
17
24V
12
GND
7
5.2V
2
Power_On
16
GND
11
GND
6
GND
1N
C
20
INV_ON
15
GND
10
5.2V
5
GND
21
A.DIM
22
Err_Out
23
N
C
24
PWM_DIM
25
+5VST_MST
READY
C1020
P_16V
0
SBL
R1067
+5VST_MST
0
NON_LGD
R1053
RL_ON
10uF
16
V
C1052
2.2uF
C1044
+5VST_MST
10K
R1001
P_5V
0.01uF
C1008
AP2121N-3.3TRE1 
IC1007
1
GND
2
VOUT
3
VIN
+5V_MULTI
0.01uF
C1046
2.2uF
16
V
C1045
READY
0.01uF
C1053
10uF
16
V
C1003
OPC_OUT1
P_5V
P_12V
DISP_EN/VAVS_ON
10K
R1047
P_12V
47uF
25
V
C1002
2SC3875S
Q1000
1
2
3
0
READY
R1066
SAM2333
LD1002
P_5V
68uF
35
V
C1006
P_16V
P_12V
+5V_MULTI
0.1uF
C1001
1.2K
R1005
0.01uF
C1011
P_5V
OPC_OUT2
500
L1000
500
L1008
2.2uH
L1002
1K
READY
R1011
68uF 35V
READY
C1027
2K
R1018
READY
3K
R1046
1uF
25
V
READY
C1038
0.1uF
C1036
0.1uF
C1032
1uF
25
V
READY
C1041
0.1uF
C1034
1uF
25
V
READY
C1037
1uF
25
V
READY
C1039
2.2K
R1000
1
K
R1012
L1001
MLB-201209-0120P-N2
MLB-201209-0120P-N2
L1004
MLB-201209-0120P-N2
L1005
MLB-201209-0120P-N2
L1006
MLB-201209-0120P-N2
L1007
MLB-201209-0120P-N2
L1012
MLB-201209-0120P-N2
L1013
10
R1019
0
R1055
100uF
16V
C1017
43K
R1057
0.47uF
C1033
110
R1013
330
R1014
MBW3216-501TF
L1010
100uF
16
V
C1043
0.1uF
C1040
330
R1016
100uF
16
V
C1049
110
R1015
0.1uF
C1042
AP1117EG-13 
IC1000
1
ADJ/GND
2
OUT
3I
N
AP1117EG-13 
IC1004
1
ADJ/GND
2
OUT
3
IN
10K
R1017
0
L1003
2.2uF
16V
2.2UF
C1048-*1
0
R1056
EAX58017401 Mstar LCD LH50
POWER
H6 LH50
10   12
2008/12/23
DDR2, Vref
MAX 3A
**Switch 12V:P12V  **Switch 5V:5V_MULTI -> 1.8V
OUT:3.3V
**5V_MULTI-->1.2V
V0 = 1.25*(1+(R2/R1))
R1
R2
OUT:1.27V
MAX 1A
NTP,AUDIO DSP
R1
MAX 2A
R2
MAX 3A
**5V_MULTI->3.3V->1.8V
**DC-DC CONVERTER_READY   12V->5V_TUNER/USB
OUT:6.8V
V0 = 0.8*(1+(R2/R1))
*ST 5V->3.3V
LED Block
Close to Q1003
R2
R1
R1=R2*((Vo/0.8)-1)
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.
URSA_D0P
MEMC_DQSB2
100
R1146
URSA_D1M
URSA_C4M
0.1uF
C1123
MEMC_MCLKZ
URSA_A2M
+1.8V_MEMC
0
R1130 READY
URSA_D3M
0
READY
R1132
MEMC_RXO4+
10uF1
6V
C1150
4.7K
READY
R1129
URSA_C3P
OPC_EN
URSA_C0M
MEMC_MCLK1
M_SPI_CK
URSA_D1M
OPC_OUT2
URSA_D4M
120-ohm
L1103
120-ohm
L1105
OPC_OUT1
URSA_A3P
E-DIM
0.01uF
C1133
MEMC_RXEC+
URSA_B3P
MEMC_DQM0
URSA_B4P
0.1uF
C1134
URSA_D2P
URSA_DCKM
URSA_A0M
URSA_C1P
820
R1110
10uF
C1140
URSA_C2P
URSA_B1M
URSA_B1M
URSA_D4P
+3.3V_MEMC
M_XTALI
1M
R1124
M_SPI_CK
MEMC_DQM3
URSA_CCKP
MEMC_RXE2-
MEMC_DQM2
URSA_D3P
URSA_B2P
0.1uF
C1143
MEMC_DQSB1
MEMC_RXO2+
M_SPI_DO
MEMC_DQS2
0.1uF
C1107
M_XTALO
+3.3V_MEMC
0.1uF
C1152
MEMC_DQS3
URSA_B2M
MEMC_DQSB3
URSA_D1P
MEMC_RXE4-
URSA_C0P
M_SDA
MEMC_DQM1
0.1uF
C1119
BLM18PG121SN1D
L1106
MEMC_DQ[0-15]
ISP_RXD_TR
URSA_B0P
56
R1121
URSA_B3M
100
R1153
URSA_D3P
0
R1109
100
R1154
MEMC_RXE1-
0.1uF
C1101
0.1uF
C1142
100
R1157
URSA_A1P
URSA_BCKM
100
R1152
URSA_A4P
MEMC_RXO1-
M_SPI_DI
100
R1155
MEMC_RXO0+
URSA_B1P
URSA_C3P
100
R1156
URSA_A4M
MEMC_DQ[16-31]
56
R1125
1K
READY
R1115
22uF
16
V
C1115
URSA_C2P
URSA_B3M
0.1uF
C1136
URSA_C1M
URSA_DCKP
URSA_BCKP
+3.3V_MEMC
22uF
C1139
LVDS_SEL
+3.3V_MEMC
MEMC_RXOC-
+1.26V_MEMC
URSA_C3M
+3.3V_MEMC
MEMC_RXE3+
120-ohm
L1104
URSA_D2M
URSA_C0P
URSA_ACKM
URSA_A3M
URSA_D0M
10K
R1104
10K
R1103
ISP_RXD_TR
MEMC_RXO3+
10uF
10V
C1126
MEMC_RXE1+
URSA_BCKM
URSA_D2M
0.1uF
C1109
1K READY
R1102
URSA_A2P
0.1uF
C1149
URSA_C2M
URSA_B2P
URSA_B1P
URSA_A1M
URSA_D2P
1uF
C1103
10uF
C1116
0.1uF
C1130
1K
R1101
+3.3V_MEMC
URSA_D4P
URSA_A0P
URSA_C4P
URSA_ACKP
LED_DEMO
0.1uF
C1110
MEMC_RXE0-
0.1uF
C1137
0.1uF
C1124
URSA_CCKM
ISP_TXD_TR
0.1uF
C1105
URSA_C4M
0.1uF
C1108
URSA_C4P
0.1uF
C1144
0.1uF
C1114
URSA_B0M
120-ohm
L1101
0.1uF
C1122
URSA_A4P
AFLC_EN
15pF
C1147
MEMC_ODT
URSA_A0P
URSA_B0M
LED_DEMO
URSA_B3P
MEMC_RXOC+
LVDS_SEL
1K
R1116
MEMC_MCLK
0.1uF
C1113
URSA_A1P
URSA_C0M
MEMC_RASZ
URSA_C1P
URSA_B0P
0.1uF
C1141
MEMC_RXE3-
15pF
C1148
MEMC_WEZ
0.1uF
C1125
MEMC_RXO3-
MEMC_RXE4+
120-ohm
L1102
MEMC_RXO4-
MEMC_DQSB0
0.1uF
C1102
MEMC_BA1
AFLC_EN
0.1uF
C1128
URSA_D0P
1K
READY
R1117
URSA_D0M
ISP_TXD_TR
MEMC_RXE2+
URSA_C3M
URSA_BCKP
10uF
C1121
M_SPI_CZ
0.1uF
C1138
URSA_C2M
10K
R1122
URSA_A3M
MEMC_DQS0
1K
R1114
MEMC_CASZ
M_SPI_CZ
+3.3V_MEMC
MEMC_MCLKE
MEMC_RXO1+
URSA_B4M
URSA_ACKM
URSA_D1P
URSA_A2M
0.1uF
C1131
56
R1120
0.1uF
C1129
URSA_A4M
URSA_A3P
URSA_D4M
10K
R1111
W25X20AVSNIG
IC1101
IC1101_URSA
3
WP
2
DO
4
GND
1
CS
5
DIO
6
CLK
7
HOLD
8
VCC
+12V_LCD
MEMC_A[0-12]
10uF
C1117
0.1uF
C1145
MEMC_BA0
MEMC_DQS1
56
R1126
M_SPI_DI
M_SCL
M_XTALI
0.1uF
C1132
0.1uF
C1118
10uF
10
V
C1120
URSA_ACKP
URSA_A2P
0.1uF
C1111
1uF
C1135
0.1uF
C1112
URSA_A1M
MEMC_RESET
MEMC_RXO0-
URSA_CCKP
12MHz
X1101
URSA_B2M
10uF
C1127
0.1uF
C1106
URSA_B4M
MEMC_MCLKZ1
MEMC_RXE0+
22uF
16
V
C1104
URSA_A0M
0.1uF
C1146
+3.3V_MEMC
URSA_DCKM
URSA_B4P
MEMC_RXO2-
URSA_DCKP
+3.3V_MEMC
100
R1151
M_SPI_DO
+3.3V_MEMC
100
R1150
MEMC_RXEC-
M_XTALO
100
R1149
URSA_C1M
100
R1148
1000pF
C1151
URSA_CCKM
URSA_D3M
100
R1147
SMW250-04
P1103
DEBUG
1
2
3
4
0
READY
R1141
0
R
11
13
VESA
0
OPC_EN
R1145
0
READY
R1143
0
READY
R1140
0
R
11
19
READY
0
R
11
36
NOT_SBL
0
OPC_DIS
R1144
0
READY
R1137
0
READY
R1142
22
R1138
22
OPC_EN
R1128
22
SBL
R1123
22
R1139
4.7K
READY
R1134
4.7K
READY
R1133
4.7K
READY
R1135
4.7K
R1112 JEIDA
4.7K
READY
R1131
4.7K
READY
R1118
470
R1127
[E1]
[D1]
[L9]
[N5]
[N4]
[N12]
[N13]
LGE7329A
IC1100
E1
SDAS
D
1
SCLS
F1
GPIO[8]
G
1
GPIO[9]
K8
GND_14
E5
VDDC_1
E2
GPIO[10]
F2
GPIO[11]
F3
GPIO[12]
G
2
GPIO[13]
M
4
GPIO[22]
M
5
GPIO[23]
G
3
GPIO[14]
E4
GPIO[15]
F4
GPIO[16]
G
4
GPIO[17]
H
4
GPIO[18]
J4
GPIO[19]
K
4
GPIO[20]
L4
GPIO[21]
J6
VDDP_2
H
9
GND_7
F6
VDDC_2
H
1
MDATA[20]
H
2
MDATA[19]
H
3
MDATA[17]
J1
MDATA[22]
J2
MDATA[27]
J3
MDATA[28]
K
1
MDATA[25]
K
2
MDATA[30]
K
6
AVDD_DDR_2
K
3
DQM[3]
L1
DQM[2]
J8
GND_10
L2
DQS[2]
L3
DQSB[2]
L6
AVDD_DDR_4
L8
VDDP_3
H
10
GND_8
M
1
DQS[3]
M
2
DQSB[3]
L7
AVDD_DDR_5
M
3
MDATA[31]
N
1
MDATA[24]
J9
GND_11
N
2
MDATA[26]
N
3
MDATA[29]
L1
0
AVDD_DDR_6
P1
MDATA[23]
R
1
MDATA[16]
T1
MDATA[18]
T2
MDATA[21]
R2
MCLK[0]
P2
MCLKZ[0]
G
7
GND_1
L9
AVDD_MEMPLL
N
5
MVREF
N
4
ODT
T3
RASZ
R3
CASZ
P3
MADR[0]
T4
MADR[2]
R4
MADR[4]
J10
GND_12
P4
MADR[6]
T5
MADR[8]
R5
MADR[11]
P5
W EZ
T6
BADR[1]
R6
BADR[0]
P6
MADR[1]
T7
MADR[10]
L11
AVDD_DDR_7
R7
MADR[5]
P7
MADR[9]
T8
MADR[12]
R8
MADR[7]
P8
MADR[3]
N8
M CL
K E
K10
GND_16
F7
VDDC_3
T9
MDATA[4]
R9
MDATA[3]
K7
GND_13
P9
MDATA[1]
T10
MDATA[6]
K11
AVDD_DDR_3
R10
MDATA[11]
P10
MDATA[12]
T11
MDATA[9]
R11
MDATA[14]
J11
AVDD_DDR_1
P11
DQM[1]
T12
DQM[0]
R12
DQS[0]
P12
DQSB[0]
H11
VDDP_1
T13
DQS[1]
R13
DQSB[1]
P13
MDATA[15]
T14
MDATA[8]
R14
MDATA[10]
P14
MDATA[13]
T15
MDATA[7]
R15
MDATA[0]
P15
MDATA[2]
T16
MDATA[5]
R16
MCLK[1]
P16
MCLKZ[1]
N9
GPIO[26]
N10
GPIO[27]
N11
GND_17
M11
RESET
G6
VDDC_4
N12
GPIO[28]
N13
GPIO[29]
N14
GPIO[30]
L13
SCK
M13
SDI
M12
SDO
K13
CSZ
L12
PWM1
K12
PWM0
J13
GPIO[0]
H13
GPIO[1]
G13
GPIO[2]
F13
GPIO[3]
E13
GPIO[4]
F12
GPIO[5]
D14
GPIO[6]
E12
GPIO[7]
N6
GPIO[24]
H6
VDDC_5
N15
LVD4M
N16
LVD4P
M14
LVD3M
M15
LVD3P
F8
AVDD_33_1
M16
LVDCKM
L16
LVDCKP
L15
LVD2M
L14
LVD2P
G9
GND_3
K14
LVD1M
J14
LVD1P
J16
LVD0M
J15
LVD0P
H15
LVC4M
H16
LVC4P
H14
LVC3M
G14
LVC3P
G16
LVCCKM
G15
LVCCKP
F15
LVC2M
F16
LVC2P
F14
LVC1M
E14
LVC1P
E16
LVC0M
E15
LVC0P
G10
GND_4
F9
AVDD_33_2
D16
LVB4M
D15
LVB4P
C16
LVB3M
B16
LVB3P
A16
LVBCKM
A15
LVBCKP
B15
LVB2M
C15
LVB2P
D2
GPIO_3
E3
GPIO_10
E10
GPIO_11
D10
GPIO_7
D8
GPIO_5
D12
REXT
C14
L VB
1 M
C13
LVB1P
A13
L VB
0 M
B13
LVB0P
D7
GPIO_4
D9
GPIO_6
B12
L VA
4 M
A12
LVA4P
C12
L VA
3 M
C11
LVA3P
A11
L VA
C KM
B11
L VA
C KP
B10
L VA
2 M
A10
LVA2P
C10
L VA
1 M
C9
LVA1P
A9
L VA
0 M
B9
LVA0P
F10
AVDD_PLL
G8
GND_2
D11
GPIO_8
D13
GPIO_9
E11
GPIO_12
N7
GPIO[25]
D6
S CL
M
D5
S DA
M
A14
GPIO_1
B14
GPIO_2
D3
XIN
D4
X OU
T
K16
GPIO_14
K15
GPIO_13
H7
GND_5
G11
AVDD_LVDS_2
B8
RO0N
A8
RO0P
C8
RO1N
C7
RO1P
A7
RO2N
B7
RO2P
B6
R OC
K N
A6
R OC
K P
C6
RO3N
C5
RO3P
A5
RO4N
B5
RO4P
H8
GND_6
F11
AVDD_LVDS_1
B4
RE0N
A4
RE0P
C4
RE1N
C3
RE1P
A3
RE2N
B3
RE2P
B2
R EC
K N
A2
RECKP
C2
RE3N
C1
RE3P
A1
RE4N
B1
RE4P
GND_9
J7
GND_15
K9
0
R1106
0
R1105
100
R1107
100
R1108
CIC21J501NE
L1107
TF05-51S
P1101
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
TF05-41S
P1102
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
1K READY
R1159
1K
R1160
1K READY
R1100
1K
R1158
+3.3V_MEMC
0
READY
R1161
RT1C3904-T112
Q1101
E
B
C
+3.3V_MULTI_MST
JP1100
JP1102
JP1101
0
READY
R
11
62
MEMC_DQ[25]
MEMC_DQ[8]
MEMC_A[7]
MEMC_DQ[0]
MEMC_DQ[10]
MEMC_DQ[11]
MEMC_DQ[24]
MEMC_DQ[17]
MEMC_DQ[29]
MEMC_DQ[1]
MEMC_DQ[7]
MEMC_DQ[6]
MEMC_DQ[15]
MEMC_DQ[28]
MEMC_DQ[3] 
MEMC_DQ[4]
MEMC_DQ[30]
MEMC_DQ[31]
MEMC_A[2]
MVREF
MEMC_A[4]
MEMC_A[12]
MEMC_DQ[9]
MEMC_A[11]
MEMC_DQ[18]
MEMC_DQ[12]
MEMC_A[10]
MEMC_DQ[5]
MEMC_A[0]
MEMC_DQ[19]
MEMC_DQ[13]
MEMC_DQ[14]
MEMC_A[3]
MEMC_DQ[27]
MEMC_DQ[21]
MEMC_A[1]
MEMC_A[6]
MEMC_DQ[2]
MEMC_DQ[20]
MEMC_DQ[23] MEMC_DQ[16]
MEMC_A[8]
MEMC_A[9]
MEMC_DQ[26]
MEMC_DQ[22]
MEMC_A[5]
EAX58017401 Mstar LCD LH50
11  12
H6 LH50
2008/12/23
MEMC & LVDS Out
LOW
HIGH
SPI FLASH
I2C
SPI
HIGH
PWM0
HIGH
LOW
PWM1
EEPROM
HIGH
HIGH
HIGH
Closed to IC1100
HIGH
XTAL
GPIO8
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