LG 50PB560B, Service Manual

Page: 14 / 47

Fiber Optic
U
S
B
D
O
W
N
S
T
R
E
A
M
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.
+3.3V_ST
SIDE_USB_DP
IR
CEC_REMOTE
PM_RXD
+3.3V_ST
USB1_CTL
DDC_SDA_1
CK-_HDMI1
+3.3V
USB1_OCD
D2-_HDMI1
CEC
D1+_HDMI1
AV_DET
D1-_HDMI1
+3.3V_ST
+3.3V
+5V
SPDIF_OUT
COMP_L_IN
PM_RXD
D0+_HDMI1
COMP_DET
HPD1
D0-_HDMI1
+5V
CK+_HDMI1
+5V_ST
PM_TXD
DDC_SCL_1
+3.3V
COMP_R_IN
D2+_HDMI1
SIDE_USB_DM
+5V
CEC_REMOTE
PM_TXD
JK201-*1
FHD_Standard
14
RESERVED
13
CEC
5
TMDS_DATA1_SHIELD
20
BODY_SHIELD
12
TMDS_CLK-
11
TMDS_CLK_SHIELD
2
TMDS_DATA2_SHIELD
19
HOT_PLUG_DETECT
18
VDD[+5V]
10
T
4
TMD
1
TMD
17
DDC/CEC_GND
9
TMDS_DATA0-
8
TMDS_DATA0_SHIELD
3
TMDS_DATA2-
16
SDA
7
TMD
6
TMDS_DATA1-
15
SCL
VA209
R277
100
R266
1K
R279
10K
R268
100
READY
JK202
SPG09-DB-009
Commercial
1
2
3
4
5
6
7
8
9
10
R276 100
R265
10K
Q202
MMBT3904(NXP)
E
B
C
R288
10K
VA208
IC202
ESD_HDMI_SEMTECH
1
8
2
7
3
6
4
5
9
10
JP207
R231
33
R278
10K
R251
75 JK204
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
C225
0.1uF
16V
R214
10K
JK209
1
2
3
4
5
JP208
R257 10K
C228
0.1uF
16V
C213
10uF
10V
VA210
JP241
R252
75
C226
0.1uF
16V
IC206
MAX3232CDR
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
R270
10K
READY
VA216
R254
470K
R217
100K
R259
10K
R283 22
R246
33
R232
10K
C220
10pF
50V
C227
0.1uF
16V
R237
1K
R258
33
R285
100
R262
12K
C212
0.1uF
16V
R267
1K
R216
100K
C219
0.1uF
16V
C229
0.1uF
16V
C204 1000pF
50V
VA217
R255
470K
R256 10K
JK201
HDMI_SIDE
14
13
5
D1_GND
20
BODY_SHIELD
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
R284 22
IC201
ESD_HDMI_SEMTECH
1
8
2
7
3
6
4
5
9
10
R253
75
R264
10K
R263
12K
C201
0.1uF
16V
C205 1000pF
50V
VA212
Q201
MMBT3904(NXP)
E
B
C
P602
RS232_Wafer
1
2
3
4
5
R289
10K
JK206
RS232C_Phone
3 M3_DETECT
4 M4
5 M5_GND
1 M1
6 M6
IC204
BD82020FVJ
3
IN_2
2
IN_1
4
EN
1
GND
5
OC
6
OUT_1
7
OUT_2
8
OUT_3
R271
33
VA211
P603
1
2
3
4
5
R209
10K
CVBS_OUT_TEST
R210 0 READY
R
2
1
1
7
5
READY
Q204
MMBT3904(NXP)
E
B
C
+3.3V
R222
10K
R219
10K
R221
10K
5V_DET_HDMI_1
R220
4.7K
R218
820
JK210
PPJ234-25
3
[YL/GN]SWITCH
1
[YL/GN]FIX
2
[YL/GN]SHUNT
4
[BL]EARTH
5
[BL]SWITCH
6
[RD1]EARTH
8
[RD1]SWITCH
7
[RD1]SHUNT
9
[WH]SWITCH
10
[RD2]SHUNT
11
[RD2]SWITCH
12
[RD2]FIX
Q203
MMBT3906(NXP)
E
B
C
<SPDIF>
For CEC
L13
JACK INTERFACE
2
10mm
<SIDE USB>
2012-06-01
7
SWITCH ADDED
<AV/COMPONENT>
<HDMI_SIDE>
<RS232C>
<HDMI>
Close to Main IC
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Only for training and service purposes
LGE Internal Use Only