LG FLATRON 27UD68WG - Page 39

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.
+1.15V_VDD_DDR_B
SYS_EEPROM_SCL
C282 0.1uF 16V
SYS_EEPROM_WP
EDP2-
R260
10K
IC200
MST9U11Q1(UHD Scaler)
1
GPIO_X10/CD_SENSE1/SAR10
2
GPIO_X11/CABLE5V1
3
GPIO_X13/DDCD3_CK/RS232_RX
4
GPIO_X14/DDCD3_DA/RS232_TX
5
VDDP_1
6
GND_1
7
VDD_1
8
GPIO_X12/HPD1/CBUS1
9
HRX0_CN
10
HRX0_CP
11
AVDD_HRX0
12
HRX0_0N
13
HRX0_0P
14
GND_2
15
HRX0_1N
16
HRX0_1P
17
AVDDL_HRX0_1
18
AVDDL_HRX0_2
19
HRX0_2N
20
HRX0_2P
21
GND_3
22
AVDD_DP
23
DP_RX0P
24
DP_RX0N
25
GND_4
26
DP_RX1P
27
DP_RX1N
28
AVDDL_DP
29
DP_RX2P
30
DP_RX2N
31
GND_5
32
DP_RX3P
33
DP_RX3N
34
AUXN
35
AUXP
36
NC_1
37
NC_2
38
NC_3
39
VDD_2
40
GND_6
41
GND_7
42
GND_8
43
AVDD_ADC
44
BIN0M
45
BIN0P
46
GIN0M
47
GIN0P
48
SOGIN0
49
RIN0M
50
RIN0P
51
HSYNC0
52
VSYNC0
53
AVDD_AUDIO_1
54
LINEIN_L0
55
LINEIN_R0
56
VRM_ADC
57
VAG
58
LINEOUT_L0
59
LINEOUT_R0
60
GND_9
61
EAROUT_L
62
EAROUT_R
63
AVDD_AUDIO_2
64
GPIO_A8/SPDIFO
65
GPIO_A7/AUMCK
66
GPIO_A6/AUWS
67
GPIO_A2/AUSD0
68
GPIO_A1/AUBCK
69
GPIO_A0/AUMUTE
70
GPIO40/DDCA_CK/RS232_RX
71
GPIO41/DDCA_DA/RS232_TX
72
GPIO42/PWM6
73
GPIO43/PWM7
74
GPIO44/PWM8
75
GPIO45/PWM9
76
GND_10
77
RESET
78
GND_11
79
VDD_NODIE_1
80
VDDP_2
81
CSZ
82
SDO
83
SDI
84
SCK
85
WP/GPIO10
86
/HOLD/GPIO11
87
GPIO00/MSCL0
88
GPIO01/MSDA0
89
GPIO02/PWM0/RS232_TX
90
GPIO03/PWM1/RS232_RX
91
GPIO04/MSCL0/PASS_SCL
92
GPIO05/MSDA0/PASS_SDA
93
GPIO06/PWM4
94
GND_12
95
XOUT
96
XIN
97
AVDD_PLL_1
98
GND_13
99
VDD_3
100
CID
101
VBUS
102
AVDD_USB
103
GND_14
104
USB_DM
105
USB_DP
106
DVDD_DDR_A
107
DVDD_DDR_RX_A
108
AVDD_PLL_2
109
VDDIO_A_1
110
VDDIO_A_2
111
VDD_4
112
VDDIO_A_3
113
VDD_DRAM_A_1
114
VDD_DRAM_A_2
115
VDD_DRAM_A_3
116
VDD_5
117
GND_15
118
AVDDL_PREDRV_1
119
GND_16
120
AVDDL_MOD_1
121
NC_4
122
NC_5
123
NC_6
124
NC_7
125
AVDD_MOD_1
126
GND_17
127
NC_8
128
NC_9
129
NC_10
130
NC_11
131
NC_12
132
NC_13
133
NC_14
134
NC_15
135
AVDD_MOD_2
136
AVDDL_PREDRV_2
137
GND_18
138
AVDDL_MOD_2
139
NC_16
140
NC_17
141
NC_18
142
NC_19
143
NC_20
144
NC_21
145
NC_22
146
NC_23
147
NC_24
148
NC_25
149
NC_26
150
NC_27
151
VDD_6
152
AVDD_LPLL
153
GND_19
154
eDP_HBR2_3-
155
eDP_HBR2_3+
156
eDP_HBR2_2-
157
eDP_HBR2_2+
158
eDP_HBR2_1-
159
eDP_HBR2_1+
160
eDP_HBR2_0-
161
eDP_HBR2_0+
162
NC_40
163
NC_41
164
NC_42
165
NC_43
166
GND_20
167
AVDDL_MOD_3
168
GND_21
169
AVDDL_PREDRV_3
170
AVDD_MOD_3
171
NC_28
172
NC_29
173
NC_30
174
NC_31
175
NC_32
176
NC_33
177
NC_34
178
NC_35
179
NC_36
180
NC_37
181
NC_38
182
NC_39
183
VDD_7
184
AUXTXN0
185
AUXTXP0
186
AUXTXN1
187
AUXTXP1
188
AUXTXN2
189
AUXTXP2
190
AUXTXN3
191
AUXTXP3
192
VDDP_3
193
VDD_NODIE_2
194
eDP_HPD[0]
195
eDP_HPD[1]
196
eDP_HPD[2]
197
eDP_HPD[3]
198
GPIO54/PWM0/EXTINT0
199
GPIO55/PWM1/EXTINT1
200
GPIO56/PWM8/EXTINT2
201
GPIO57/PWM9/EXTINT3
202
GND_22
203
VDDP_4
204
GPIO20/PWM2
205
GPIO21/PWM3
206
GPIO22/PWM4/SAR4
207
GPIO23/PWM5/SAR5
208
GPIO24/CEC3/PWM6
209
GPIO25/CEC2/PWM7
210
GPIO26/CEC
211
GPIO27/IR
212
SAR0/GPIO_SAR0
213
SAR1/GPIO_SAR1
214
SAR2/GPIO_SAR2
215
SAR3/GPIO_SAR3
216
VDD_8
217
DVDD_DDR_B
218
DVDD_DDR_RX_B
219
AVDD_PLL_3
220
VDDIO_B_1
221
VDDIO_B_2
222
VDD_9
223
VDDIO_B_3
224
VDD_DRAM_B_1
225
VDD_DRAM_B_2
226
VDD_DRAM_B_3
227
GPIO_X40/CD_SENSE4/SAR7
228
GPIO_X41/CABLE5V4
229
GPIO_X42/HPD4/CBUS4
230
GPIO_X43/RS232_RX/DDCD1_CK
231
GPIO_X44/RS232_TX/DDCD1_DA
232
GPIO_X30/CD_SENSE3/SAR8
233
GPIO_X31/CABLE5V3
234
GPIO_X32/HPD3/CBUS3
235
GPIO_X33/RS232_RX/DDCD0_CK
236
GPIO_X34/RS232_TX/DDCD0_DA
237
VDD_10
238
AVDDL_RX
239
RX1_CN
240
RX1_CP
241
RX1_0N
242
RX1_0P
243
RX1_1N
244
RX1_1P
245
RX1_2N
246
RX1_2P
247
GND_23
248
AVDD_RX
249
RX0_CN
250
RX0_CP
251
RX0_0N
252
RX0_0P
253
RX0_1N
254
RX0_1P
255
RX0_2N
256
RX0_2P
257
[EP]
+1.15V_VDD
C259
15pF
50V
SDI
C260
15pF
50V
SDO
R251
4.7K
HDMI_SELECTION
AVDD_AUDIO
AVDD_RX
SCK
HDMI_5V
SCK
IC202
MX25L8006EM2I-12G
3
WP#
2
SO/SIO1
4
GND
1
CS#
5
SI/SIO0
6
SCLK
7
HOLD#
8
VCC
R221
4.7K
EDP0+
C266
0.1uF
16V
HDMI1_5V
C277 0.1uF 16V
CS
Q203
AO3435
G
D S
AVDD_MOD
DP0_HPD
Q201
AO3435
G
D S
IC201
AT24C32D-SSHM-T
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
HDMI1_5V_SEL
AVDDL_MOD
C267
0.1uF
16V
HDMI2_5V
AVDD_DP
HDMI_5V
EDP1-
R220
4.7K
AVDD_ADC
SDO
AVDDL_MOD
HDMI2_5V_SEL
PD_CTL
HOLD
DP0_RX2P
R218
4.7K
AVDDL_PREDRV
AVDDL_PREDRV
R217
4.7K
VDDP
R261
10K
C281 0.1uF 16V
R210
10
+1.15V_VDD
EDP0-
HP_OFF
C279 0.1uF 16V
R232
100K
SYS_EEPROM_SCL
R205
10K
OPT
KEY1
VDDIO_B
HP_MUTE
+1.15V_VDD
DP0_RX1N
SYS_EEPROM_WP
HP_LOUT_MAIN
HDMI_RXC-
WLED_ENABLE
EDP2+
SYS_EEPROM_SDA
PD_CTL_DDR
VDDP
EDP3+
AVDDL_DP
AVDD_USB
R215
0
+3.3V_NORMAL
R244 0
R201
10K
+3.3V_NORMAL
DP_RX_SDM
R200
10K
OPT
AVDD_HRX0
R243
200K
R207
10K
R219 10
AR204
33
R202
10K
AVDD_PLL
AR201
33
BOOT4
DP0_RX0N
R242
200K
R254
33
R203
10K
OPT
+1.15V_VDD
R229 10
AR202
33
BOOT3
CS
+1.15V_VDD
BOOT1
R255
33
OSCI
HDMI1_DET
AR203
10K
BOOT2
AVDDL_PREDRV
HP_DET
R206
10K
X200
12MHz
R208
10K
OPT
DP0_RX3P
HDMI2_5V_SEL
AVDD_MOD
L200
HDMI1_5V_SEL
C278 0.1uF 16V
+1.15V_VDD
DP0_RX1P
C280 0.1uF 16V
HDMI_SCL
HDMI_SDA
AVDDL_MOD
+1.15V_VDD_DDR_A
+1.15V_VDD
R209
10
C205
1uF
10V
+1.15V_VDD
HP_ROUT_MAIN
C204
1uF
10V
R230
1K
HDMI_RX0+
DP0_RX0P
R231 1K
R224
100K
OPT
VDDIO_A
VDDP
AVDD_MOD
Q200
2N3904S
E
B
C
HDMI_RX2+
BOOT2
JP201
Q202
2N3904S
E
B
C
R223
100K
OPT
HDMI_RX2-
EDP_HPD
C263
10uF
10V
VDD_DRAM_B
IR
OSCO
C262
0.1uF
16V
OPT
CONTROL_LED
EDP_AUX_CHP
HDMI_RX1-
C274
0.1uF
16V
EDP_AUX_CHN
+3.3V_NORMAL
OSCO
DP0_RX3N
C292
68pF
50V
OPT
HDMI_5V
C293
68pF
50V
OPT
C283 0.1uF 16V
C290
68pF
50V
OPT
R265
10
C275
0.1uF
16V
C291
68pF
50V
OPT
WP_SPI
R246
10
DP0_AUXN
R245
10
VDD_DRAM_A
EDP0+
HDMI2_DET
EDP2-
HOLD
EDP2+
R234
33
SDI
EDP_AUX_CHN
AVDDL_HRX0
EDP1-
C202
0.47uF
16V
AVDD_PLL
EDP1+
EDP0-
EDP_HPD
C238
4.7uF
25V
OPT
C276 0.1uF 16V
EDP3-
KEY2
PANEL_ON
HDMI_RX0-
+10V_PANEL
C203
10uF
10V
OPT
HDMI_RX1+
EDP_AUX_CHP
HDMI_HPD
R266
10K
+5V_STANDBY
HDMI_RXC+
EDP1+
EDP3-
EDP3+
DP0_RX2N
C229
4.7uF
25V
R233
10K
DP0_AUXP
OSCI
BOOT3 BOOT1
R222
47K
BOOT4
VDDP
WP_SPI
AVDDL_RX
SYS_EEPROM_SDA
+3.3V_NORMAL
+3.3V_NORMAL
+3.3V_NORMAL
C294
10uF
10V
5V_ST_ON
WLED_ADIM
DP_DET
R211
1K
R241
10
+3.3V_NORMAL
R238
10K
OPT
10K
R239
JP203
R214
3.3K
L201
BLM15PX121SN1
WHITE LED OPT
R227
4.7K
VR202
18V
10pF
R226
4.7K
OPT
R225
10
P200
12507WR-08L
1
2
3
4
5
6
7
8
9
R213
3.3K
Q204
2N3904S
E
B
C
R228
4.7K
OPT
L202
BLM15PX121SN1
RED LED OPT
ZD200
5.6V
IR
JP204
KEY2
C201
68pF
50V
OPT
JP208
VR201
18V
10pF
R204
100
IR
JP207
KEY1
+3.3V_NORMAL
+5V_STANDBY
C200
1uF
10V
JP206
JP205
VR203
18V
OPT
10pF
R216
10
CONTROL_LED
P202
12507WS-04L
DE_BUG
1
2
3
4
5
AR207
10K
DE_BUG
AR200 33
DE_BUG
R212
10
IR
RAC34057401
S5
RAC34057401
S3
RAC34057401
S1
RAC34057401
S4
RAC34057401
S2
JP200
JP209
R240
0
R235
0
R237
0
R247
0
R248
0
R249
0
R250
0
R236
0
JP210
D200
BAT54C
A2
C
A1
HDMI_5V
R253
0
OPT
R252
0
OPT
C264
1000pF
50V C265
1000pF
50V
BUZZER_PWM
+5V_STANDBY
R256
33
R257
1K
BU200
PKM13EPY-4002-B0
1
2
Q205
2N3904S
E
B
C
R259
0
R258
0
OPT
+3.3V_NORMAL
JP202
BUZZER_PWM
P201
05030HR-H30C1(G)
EDP_WAFER
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
2 4Scalar / Key
2015.06.2327MU68
CRYSTAL
Close to IC
SBUS
H
H
GPIO43
GPIO45
L
EXT RIU
GPIO44
L
L
H
FUNCTION
H
BOOT-STRAP
GPIO45
H L
GPIO42
L
BOOT from R2
L
L
GPIO42
L
L
GPIO43
BOOT from 51
L
H
GPIO44
SYSTEM
EEPROM
FLASH MEMORY
SYSTEM EEPROM
FLAH
8MBIT
SOLDER PRE-FORM
MODULE-eDP
IIC for Debugging
(from MP, delete this parts)
20150116
Crystal matching test
22pF->15pF
RESET
Close to scalar P79
Close to scalar P193
Angle (8P)
Joystick Key
BEEP
UZZER