LG M1994A, Руководство по обслуживанию, Страница: 27 / 35

56
R310
22K
R354
0
R392
SIF_OUT
AUDIO_R
2.2uF10V C356
0
R332
100 R356
0.01uF 50V C368
0.1uF 50V C310
0.1uF 50V C369
47
R308
10K R414
2.2uF10 V
C354
ST_3.3V
0.1uF 50V
C346
0.1uF
50
V
C383
ST_3.3V
1000pF
50
V
C326
ST_3.3V
3.3K R408
READY
0
R333
R342
READY
0.047uF
50V
C323
3.3V_MST
R361
READY
100 R357
PC_SOUND_R
V_AUDIO_L
0.047uF
50
V
C321
0.047uF
50
V
C325
100
R373
33
R388
47
R323
56pF
50
V
C320
PWM2
56
R315
100
R351
COMP_Y
47
R322
0.1uF
50V
C370
1000pF
50
V
C331
S_VIDEO_C
33
R389
H
10K
R395
100
R379
0.047uF
50
V
C338
HDMI_SDA
47
R327
H
R403
READY
10K
R413
0.1uF
50
V
C318
R303
READY
100
R359
V_CVBS
0.1uF 50V C381
RXE0+,RXE0-,RXE1+,RXE1-,RXE2+,RXE2-,RXE3+,RXE3-,RXEC+,RXEC-,RXO0+,RXO0-,RXO1+,RXO1-,RXO2+,RXO2-,RXO3+,
RXO3-,RXOC+,RXOC-
ST_3.3V
0.047uF
50
V
C336
1K R363
PWM_DIM
MCLKZ
ST_5V
PWM0
0.1uF
50
V
C382
SDA_1
PWM2
HDMI_CLK-
EEPROM_WP
<6>
READY
R339
PWM3
47
R324
S_VIDEO_DET
47
R319
56pF
50
V
C319
100
R366
100
R311
ST-DET
0.047uF
50
V
C327
READY
R340
0.1uF
50V
C378
47
R330
D-SCLA
0.1uF 50V C309
33
R383
C312
READY
C303
READY
4.7K
R407
0.1uF 50V C308
R337
READY
SCL_0
R338
33
R372
READY
R326
0
R384
R343 READY
3.3K
R396
4.7uF 6.3V C351
SBA0
0.1uF 50V C352
0.047uF
50
V
C335
100
R377
10K R304
R331
READY
0.047uF
50
V
C334
0.01uF 50V C391
10K R404
PWM0
AMP_MUTE
COMP_PR
0.047uF
50
V
C333
0.047uF
50
V
C342
2.2uF10V C361
470
R313
56
R312
MADR[0-11]
0.01uF 50V C367
0.047uF
50
V
C328
100
R405
PWM1
ST_1.8V
22pF
C300
HDMI_RX1-
3.3K
R399
5V_HDMI
100
R364
DDET
0.047uF
50
V
C343
PWR_ONOFF_1
<2>
DQM
R371
READY
ST_3.3V
3.3K
R397
47
R329
0.1uF
50
V
C385
SPI_CZ
<1>
ST_5V
560pF
50V
C350
470
R318
R401
READY
33
R385
PWM3
AUDIO_L
100
R352
100
R376
ST_3.3V
HDMI_RX2-
CKE
1M R302
0.1uF
50V
C371
0.1uF 50V C376
33
R370
0.1uF 50V C377
10uF 16V C307
2.2uF
C358
0.047uF
50
V
C329
SDA_0
2.2uF10V
C360
V_AUDIO_R
HPD_HDMI
0.22uF
16V
C316
C313
READY
33
R345
1uF 10V C353
HDMI_SCL
S_VIDEO_Y
14.31818MHz
X300
ST_3.3V
33
R390
0.1uF 50V C306
3.3V_MST
33
R386
390
R334
100
R374
R411
READY
0.047uF
50
V
C340
0.047uF
50V
C322
33
R393
R300 READY
4.7K R412
47
R325
H
LED_AM1
47
R316
R360
READY
H
SCL_1
SBA1
0.047uF
50
V
C332
0.1uF
50V
C387
0.1uF
50
V
C386
0.1uF
50
V
C317
R368
READY
0.047uF
50V
READY
C339
ST_3.3V
KEY_CTL_0
47
R328
0.1uF
50V
C349
IF_VIDEO_OUT
33
R394
3.3V_MST
50V
C311
READY
TUNER_DET
DIGITAL_SEL1
100
R381
0.047uF
50
V
C337
C302
READY
R353
READY
1K
R402
HSYNC
SPI_DO
<1>
22pF C301
0.047uF
50
V
C330
0.1uF 50V
C366
100
R375
COMP_SOUND_L
R307
READY
3.3K
R400
1K R415
VSYNC
ST_3.3V
DIMMING_CTL
0.1uF
50V
C373
CASZ
560pF 50V C347
47
R320
100 R348
PANEL_CTL
0.1uF
50V
C362
BLU-A
SPI_CLK
<1>
100
R309
KEY_CTL_1
33
R347
2.2uF10V C363
0.1uF 50V C384
READY
R341
0.1uF
50V
C379
KIA7427F
IC300
READY
2
GND
3
OUT
1
VCC
100
R378
10uF 16V
C348
R305
READY
2.5V_MST
GRN-A
SPI_DI
<1>
33
R387
100
R380
RED-A
2.2uF10 V C359
100 R422
3.3K
READY
R409
100
R365
D-SDAA
RASZ
R406
READY
MCLK
PC_SOUND_L
0.047uF
50
V
C344
0.1uF 50V
C314
0.1uF
C315
0 R306
47
R317
R301
READY
0.1uF 50V C305
MDATA[0-15]
2.2uF10V C357
0.1uF 50V C375
100 R358
C304
READY
10uF 16V C388
100 R350
0
R336
HDMI_RX0-
3.3V_MST
WEZ
1000pF 50V C380
100
R367
2.5V_MST
47
R321
10K
R398
2.2uF10 V C355
33
R382
DQS1
0.047uF
50
V
C324
0.1uF 50V C372
DQS0
COMP_SOUND_R
0.1uF 50V C345
COMP_PB
R335
READY
0
R344
0.1uF 50V C374
4.7K
R423
IR
PWM1
R416
READY
22K
R355
100
R314
1K R362
LED_BL1
100
R369
0.047uF
50
V
C341
INV_CTL
0
R391
LGE9689AD-LF
IC301
M1994A
1
RXCKN
2
RXCKP
3
GND_1
4
RX0N
5
RX0P
6
AVDD_DVI_1
7
RX1N
8
RX1P
9
GND_2
10
RX2N
11
RX2P
12
AVDD_DVI_2
13
REXT
14
DDCD_DA
15
DDCD_CK
16
HSYNC1
17
VSYNC1
18
RMID
19
VCLAMP
20
REFP
21
REFM
22
BIN1P
23
BIN1M
24
SOGIN1
25
GIN1P
26
GIN1M
27
RIN1P
28
RIN1M
29
BIN0M
30
BIN0P
31
GIN0M
32
GIN0P
33
SOGIN0
34
RIN0M
35
RIN0P
36
AVDD_ADC
37
GND_3
38
HSYNC0
39
VSYNC0
40
VSYNC2
41
BIN2P
42
BIN2M
43
SOGIN2
44
GIN2P
45
GIN2M
46
RIN2P
47
RIN2M
48
C1
49
Y1
50
C0
51
Y0
52
VCOM2
53
CVBS3
54
CVBS2
55
CVBS1
56
VCOM1
57
CVBS0
58
VCOM0
59
CVBSOUT
60
GND_4
61
SIF0M
62
SIF0P
63
AVDD_SIF
64
SIF1P
65
SIF1M
66
GND_5
67 AUVRADN
68
AUVRADP
69
AUVREF
70
AVDD_AU
71
AUL0
72
AUR0
73
AUL1
74
AUR1
75
AUCOM
76
AUL2
77
AUR2
78
AUL3
79
AUR3
80
AUMONO
81
AUOUTL3
82
AUOUTR3
83
AUOUTL2
84
AUOUTR2
85
AUOUTL
86
AUOUTR
87
AUOUTS
88
GPIOF[2]
89
GPIOF[3]
90
GPIOF[4]
91
GPIOF[5]
92
GPIOF[6]
93
GPIOF[7]
94
GPIOF[8]
95
GPIOF[9]
96
GPIOF[10]
97
VDDP_1
98
GND_6
99
VDDC_1
100
DQS[1]
101
MDATA[15]
102
MDATA[14]
103
GND_7
104
MDATA[13]
105
MDATA[12]
106
VDDM_1
107
MDATA[11]
108 MDATA[10]
109
MDATA[9]
110
MDATA[8]
111
GND_8
112
VDDM_2
113
MDATA[7]
114
MDATA[6]
115
MDATA[5]
116
MDATA[4]
117
VDDM_3
118
MDATA[3]
119
MDATA[2]
120
MDATA[1]
121
MDATA[0]
122
DQS[0]
123
DQM
124
MVREF
125
MCLKE
126
MCLKZ
127
MCLK
128
BADR[1]
129
BADR[0]
130
RASZ
131
GND_9
132
VDDM_4
133
AVDD_MEMPLL
134
CASZ
135
WEZ
136
MADR[0]
137
MADR[1]
138
MADR[2]
139
MADR[3]
140
MADR[4]
141
MADR[5]
142
MADR[6]
143
MADR[7]
144
VDDM_5
145
GND_10
146
VDDC_2
147
MADR[8]
148
MADR[9]
149
MADR[10]
150
MADR[11]
151
AD[0]
152
AD[1]
153
AD[2]
154
AD[3]
155
AD[4]
156
AD[5]
157
AD[6]
158
AD[7]
159
WRZ
160
RDZ
161
ALE
162
VDDP_2
163
GND_11
164
SCK
165
SDI
166
CSZ
167
SDO
168
SAR0
169
SAR1
170
SAR2
171
SAR3
172
PWM0
173
PWM1
174
DDCR_DA
175
DDCR_CK
176
DDCA_DA
177
DDCA_CK
178
INT
179
IRIN
180
VDDP_3
181
GND_12
182
VDDC_3
183
DIGO[0]
184
DIGO[1]
185
DIGO[2]
186
DIGO[3]
187
DIGO[4]
188
DIGO[5]
189
DIGO[6]
190
DIGO[7]
191
DIGO[8]
192
PWM2
193
PWM3
194
AVDD_MPLL_1
195
VDDC_4
196
VDDP_4
197
NC_1
198
NC_2
199
LVA3P
200
LVA3M
201
LVACKP
202
LVACKM
203
LVA2P
204
LVA2M
205
LVA1P
206
LVA1M
207
LVA0P
208
LVA0M
209
VDDP_5
210
GND_13
211
NC_3
212
NC_4
213 LVB3P
214
LVB3M
215
LVBCKP
216
LVBCKM
217
LVB2P
218
LVB2M
219
LVB1P
220
LVB1M
221
LVB0P
222
LVB0M
223
VDDP_6
224
GND_14
225
GPIOE[3]
226
GPIOE[2]
227
GPIOE[1]
228
GPIOE[0]
229
ICLK
230
IDE
231
IHSYNC
232
IVSYNC
233
DI[ 0]
234
DI[ 1]
235
DI[ 2]
236
DI[ 3]
237
VDDP_7
238
DI[ 4]
239
DI[ 5]
240
DI[ 6]
241
DI[ 7]
242
VDDC_5
243
GND_15
244
DI[ 8]
245
DI[ 9]
246
DI[10]
247
DI[11]
248
DI[12]
249
DI[13]
250
DI[14]
251
DI[15]
252
VDDP_8
253
HWRESET
254 XOUT
255
XIN
256
AVDD_MPLL_2
DIGITAL_SEL2
0
R346
1N4148W
D300
READY
MADR[2] MADR[3] MADR[4] MADR[5] MADR[6] MADR[7] MADR[8] MADR[9]
MADR[10] MADR[11]
MADR[0]
MADR[0-11]
MDATA[15]
MADR[1]
RXE0- RXE0-
RXE0+ RXE0+
RXE1- RXE1-
RXE1+ RXE1+
RXE2- RXE2-
RXE2+ RXE2+
RXEC- RXEC-
RXEC+ RXEC+
RXE3- RXE3-
RXE3+ RXE3+
RXO3+
RXO3-
RXOC+
RXOC-
RXO2+
RXO2-
RXO1+
RXO1-
RXO0+
RXO0-
COMP_PB COMP_PR
<Mode Selection>
CVBS_VCOM
Serial Flash
COMP_Y- COMP_Pb-
PC_G-
DVI
S_VIDEO_VCOM
(DDR)
IF
SOY
SOG
PC_B-
VGA
COMP_Pr-
COMP
DDR SDRAM
AUDIO
PC_R-
S_Video
CVBS
CLOSE TO IC
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.
3.3K R410
4.7K
R418
SPI_DI
ST_3.3V
SPI_DO
4.7K
R419
MX25L4005AM2C-12G
IC303
3
WP#
2
SO
4
GND
1
CS#
5
SI
6
SCLK
7
HOLD#
8
VCC
0.1uF C390
AT24C64AN-10SU-2.7
IC302
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
100
R421
SCL_0
SPI_CZ
ST_3.3V
0.1uF
C389
SPI_CLK
R417
READY
ST_3.3V
100 R420
SDA_0
SCHEMATIC DIAGRAM
Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
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