LG 42LX6500 Service Manual page 38

E
D8302
KRC104S HDMI_HPD_1
5.5V
Q8305 B
GND
OPT E
R8311
SHIELD
C 4.7K 5V_HPD1
KRC104S
GND
Q8302 B
20
HP_DET R8302
C
19
5V 1K
18
GND
D8305
17 R8307
5.5V
DDC_DATA 0
OPT
DDC_SDA_1
16
DDC_CLK JP8304
DDC_SCL_1
15
NC R8308 JP8305
GND
0
14
CE_REMOTE
CEC_REMOTE
13
CK-
CK-_HDMI1
12
CK_GND
11
CK+
JK8302 10
CK+_HDMI1
D0-
9
D0-_HDMI1
D0_GND
8
D0+
7 D0+_HDMI1
D1-
6
D1-_HDMI1
D1_GND
5
D1+
4 D1+_HDMI1
D2-
3
D2-_HDMI1
D2_GND
2
D2+
1
D2+_HDMI1
YKF45-7058V
GND UI_HW_PORT1
E
HDMI_3
D8300
KRC104S
HDMI_HPD_2
5.5V Q8303 B
GND
E HDMI_3
OPT R8309
SHIELD HDMI_3 5V_HPD2
C 4.7K
KRC104S
GND Q8300 B
HDMI_3
20
HP_DET R8300
C
19
5V 1K
18
GND
HDMI_3
D8303
R8303 JP8300
17 5.5V
DDC_DATA
0
DDC_SDA_2 OPT
16
DDC_CLK
DDC_SCL_2
15
NC R8304
JP8301
GND
0
14
CE_REMOTE HDMI_3
CEC_REMOTE
13
CK-
CK-_HDMI2
12
CK_GND
11
CK+
10
JK8300 CK+_HDMI2
D0-
9
D0-_HDMI2
D0_GND
8
D0+
7
D0+_HDMI2
D1-
6
D1-_HDMI2
D1_GND
5
D1+
4
D1+_HDMI2
D2-
3
D2-_HDMI2
D2_GND
2
D2+
1
D2+_HDMI2
HDMI_3
YKF45-7058V UI_HW_PORT3
GND
E
D8301
HDMI_HPD_3
KRC104S
5.5V
Q8304 B
GND E
OPT
R8310
SHIELD
C 4.7K 5V_HPD3
KRC104S
GND
Q8301 B
20
HP_DET R8301 C
19
5V 1K
18
GND
D8304
JP8302
17 R8305
5.5V
DDC_DATA 0
DDC_SDA_3
OPT
16
DDC_CLK
DDC_SCL_3
15
NC R8306
JP8303
GND
0
14
CE_REMOTE
CEC_REMOTE
13
CK-
CK-_HDMI3
12
CK_GND
11
CK+
JK8301 10
CK+_HDMI3
D0-
9
D0-_HDMI3
D0_GND
8
D0+
7 D0+_HDMI3
D1-
6
D1-_HDMI3
D1_GND
5
D1+
4 D1+_HDMI3
D2-
3
D2-_HDMI3
D2_GND
2
D2+
1
D2+_HDMI3
YKF45-7058V
GND
UI_HW_PORT2
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.
All manuals and user guides at all-guides.com
E
JACK_GND
D8308
KRC104S
5.5V Q8307
GND E
ESD
GND
C
KRC104S
GND
Q8306 B
20
5V_HDMI_1
HP_DET R8316 C
19
1K
5V
18
GND
R8317 JP8306
17
DDC_DATA 82
DDC_SDA_4
16
DDC_CLK
DDC_SCL_4
15
R8318
NC
JP8307
82
14
CE_REMOTE
13
CK-
12
CK_GND
11
GND
CK+
JK8303 10
D0-
9
D0_GND
8
D0+
7
D1-
6
D1_GND
5
D1+
4
D2-
3
D2_GND
2
D2+
1
KJA-ET-0-0032 GND
SIDE_HDMI_PORT4
+5V_NORMAL +5V_NORMAL
5V_HDMI_1
5V_HPD2
5V_HPD1
D8306
5V_HDMI_2
R8314
R8312 R8319
47K 47K 47K
HDMI_3
DDC_SDA_1
DDC_SCL_1
+5V_NORMAL
+5V_NORMAL
5V_HDMI_3
5V_HPD3 5V_HPD4
D8307 D8310
R8313 R8315 R8320
47K 4.7K
47K
DDC_SDA_3
DDC_SCL_3
5V_HDMI_3
LEE GI YOUNG
* HDMI CEC
HDMI_HPD_4
B
R8321
5V_HPD4
4.7K
5V_HDMI_4
D8311
5.5V
ESD
GND
CEC_REMOTE
MMBD301LT1G
CK-_HDMI4
CEC_REMOTE
CK+_HDMI4
D0-_HDMI4
D0+_HDMI4
D1-_HDMI4
D1+_HDMI4
D2-_HDMI4
D2+_HDMI4
5V_HDMI_2
+5V_NORMAL
HDMI_3
D8309
R8322
47K
HDMI_3
DDC_SDA_2
DDC_SCL_2
5V_HDMI_4
HDMI1
R8323
4.7K
DDC_SDA_4
DDC_SCL_4
HDMI_HPD_1
DDC_SDA_1
DDC_SCL_1
EDID Pull-up
CK-_HDMI1
CK+_HDMI1
D0-_HDMI1
D0+_HDMI1
D1-_HDMI1
D1+_HDMI1
D2-_HDMI1
D2+_HDMI1
+5V_NORMAL
+1.8V_HDMI
+3.5V_ST
R8326
22K
D8312
HDMI_CEC
+3.3V_HDMI
R8325
1.8K
R8324
1.8K
VSS_1
1
5V_HDMI_1
OUT_C+
2
OUT_C-
3
VDDO[3V3]
4
OUT_DDC_CLK
5
C8302
OUT_DDC_DAT
6
0.1uF
16V VSS_2
7
OPT VDDDC[1V8]_1
8 IC8300
R8328
RXA_HPD
9
RXA_5V
0 10
TDA19997
RXA_DDC_DAT
11
RXA_DDC_CLK
12
RXA_C-
13
RXA_C+
14
VDDH[3V3]_1
15
RXA_D0-
16
RXA_D0+
17
VSS_3
18
RXA_D1-
19
RXA_D1+
20
VDDH[3V3]_2
21
RXA_D2-
22
RXA_D2+
23
VDDH[1V8]_1
24
AUX_5V
25
R8327
0
C8300
0.1uF
5V_HDMI_2
C8306
C8303 0.1uF
C8301 C8304
0.1uF 0.1uF 0.1uF 16V
16V
16V 16V
HDMI2
+3.3V_HDMI
+3.3V_NORMAL
L8300
BLM18PG121SN1D
C8324
0.1uF
HDMI4
C8319
0.1uF
C8320
0.1uF
5V_HDMI_4
C8321
0.1uF
C8322
C8312
0.1uF
0.1uF
16V
+1.8V_HDMI
C8323
C8316 C8318
0.1uF
0.1uF
0.1uF
16V
16V
16V
HDMI3
Place close
5V_HDMI_3
to TDA9996
VDDH[1V8]_2
75
C8317
R8344
R12K
74 0.1uF
VSS_9 12K
73 16V
RXC_D2+
72 D2+_HDMI3
RXC_D2-
71
D2-_HDMI3
VDDH[3V3]_6
70
RXC_D1+
69
D1+_HDMI3
RXC_D1-
68
D1-_HDMI3
VSS_8
67
RXC_D0+
66
D0+_HDMI3
RXC_D0-
65 D0-_HDMI3
VDDH[3V3]_5
64
RXC_C+
63
CK+_HDMI3
RXC_C-
62
CK-_HDMI3
RXC_DDC_CLK
61
DDC_SCL_3
RXC_DDC_DAT
60
DDC_SDA_3
RXC_5V
59
RXC_HPD
58 HDMI_HPD_3
CEC R8345
57
0
VSS_7 Ready for TDA19997
56
OPT
VDDS[3V3]
55
+3.3V_HDMI
CDEC_STBY
54
OPT
INT_N/MUTE R8346 0
53 R8347
4.7K
RXE_DDC_DAT
52 OPT
RXE_DDC_CLK
OPT
51
4.7K
R8348
0
OPT
R8343
C8313
0.1uF C8314
16V
0.1uF
16V
R8337
0
2009.06.18
BCM (EUROBBTV)
8
HDMI