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LG 42LT777H - Page 33

LG 42LT777H
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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.
DDC_SDA_2_JACK
R3314 100
5V_HDMI_3_JACK
5V_HDMI_2_JACK
R3324
47K
R3316
1K
R3317
1K
HDMI_HPD_4_JACK
C3303
0.1uF
16V
R3326
47K
R3313
100K
C3301
0.1uF
16V
R3339
47K
R3337
47K
DDC_SCL_2_JACK
R3307
100K
5V_HDMI_2_JACK
HDMI_HPD_2_JACK
5V_HDMI_4_JACK
R3311
1K
+5V_NORMAL
C3302
0.1uF
16V
R3338
47K
DDC_SCL_4_JACK
5V_HDMI_4_JACK
DDC_SDA_2_JACK
R3318
4.7K
HPD_PULL_UP
R3308 100
R3309 100
R3340
47K
DDC_SDA_3_JACK
DDC_SCL_2_JACK
R3310
1K
DDC_SCL_4_JACK
DDC_SCL_3_JACK
R3315 100
+5V_NORMAL
DDC_SDA_4_JACK
DDC_SDA_4_JACK
+5V_NORMAL
CEC_REMOTE
R3312
4.7K
HPD_PULL_UP
Q3301
MMBT3904(NXP)
E
B
C
Q3302
MMBT3904(NXP)
E
B
C
5V_HDMI_3_JACK
D0-_HDMI3_JACK
Q3303
MMBT3904(NXP)
E
B
C
CK+_HDMI3_JACK
CEC_REMOTE
HDMI_HPD_3_JACK
D2-_HDMI3_JACK
R3329 100
DDC_SDA_3_JACK
D1+_HDMI3_JACK
R3327
100K
R3336
4.7K
HPD_PULL_UP
D1-_HDMI3_JACK
R3328 100
D2+_HDMI3_JACK
DDC_SCL_3_JACK
D0+_HDMI3_JACK
CK-_HDMI3_JACK
R3331
1K
R3330
1K
JK3301
YKF45-7058V
14
NC
13
CEC
5
DATA1_SHIELD
20
SHIELD
12
CLK-
11
CLK_SHIELD
2
DATA2_SHIELD
19
HPD
18
+5V_POWER
10
CLK+
4
DATA1+
1
DATA2+
17
DDC/CEC_GND
9
DATA0-
8
DATA0_SHIELD
3
DATA2-
16
SDA
7
DATA0+
6
DATA1-
15
SCL
JK3302
YKF45-7058V
14
NC
13
CEC
5
DATA1_SHIELD
20
SHIELD
12
CLK-
11
CLK_SHIELD
2
DATA2_SHIELD
19
HPD
18
+5V_POWER
10
CLK+
4
DATA1+
1
DATA2+
17
DDC/CEC_GND
9
DATA0-
8
DATA0_SHIELD
3
DATA2-
16
SDA
7
DATA0+
6
DATA1-
15
SCL
JK3303
RSD-105156-100
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
TMDS_CLK+
4
TMDS_DATA1+
1
TMDS_DATA2+
17
DDC/CEC_GND
9
TMDS_DATA0-
8
TMDS_DATA0_SHIELD
3
TMDS_DATA2-
16
SDA
7
TMDS_DATA0+
6
TMDS_DATA1-
15
SCL
D3302
MMBD6100
A2
C
A1
D3301
MMBD6100
A2
C
A1
D3303
MMBD6100
A2
C
A1
HDMI_ARC
R3300 0
R3341
0
D1-_HDMI4_JACK
D2+_HDMI4_JACK
CK-_HDMI4_JACK
D1+_HDMI4_JACK
D2-_HDMI4_JACK
CK+_HDMI4_JACK
D0+_HDMI4_JACK
D0-_HDMI4_JACK
R3342
0
R3343
0
R3344
0
R3345
0
R3346
0
R3347
0
R3348
0
D0-_HDMI2_JACK
D2+_HDMI2_JACK
D2-_HDMI2_JACK
D1+_HDMI2_JACK
CK+_HDMI2_JACK
D0+_HDMI2_JACK
CK-_HDMI2_JACK
D1-_HDMI2_JACK
CEC_REMOTE
R3354
0
R3355
0
R3351
0
R3350
0
R3353
0
R3349
0
R3356
0
R3352
0
R3363 10K
OPT
+3.5V_ST
R3362
10K
Q3306
MMBT3904(NXP)
E
B
C
+3.5V_ST
GND
Q3305
MMBT3904(NXP)
E
B
C
C3304
0.1uF
16V
D3304
OPT
CEC_REMOTE
GND
GND
POWER_ON/OFF1
BSS83
Q3300
S
B
D
G
C3305
0.1uF
16V
R3364 10K
BSS83
Q3304
S
B
D
G
R3302 68K
OPT
D3306
AVRL161A1R1NT
OPT
CEC_CTL
+3.5V_ST
R3365
10K
R3366
10K
OPT
D3305
GND
D3307
AVRL161A1R1NT
OPT
GND
R3360 68K
GND
+3.5V_ST
R3303
62K
OPT
HDMI_CEC_PTC
HDMI_CEC_MTK
IC3300
74LX1G14CTR
3
GND
2
1A
4
1Y
1
NC
5
VCC
R3367
10K
GND
R3369
10K
CEC_CTL
R3368 10K
OPT
POWER_ON/OFF1
R3361
62K
R3370 22
R3371 22
JP3300
R3372
10K
HPD_PULL_DOWN
R3373
10K
HPD_PULL_DOWN
R3374
10K
HPD_PULL_DOWN
PTC_HPD
+3.5V_ST
R3377 0
R3376 0
C3306
0.1uF
MTK_HPD
HPD_CTL
IC3301
NLASB3157DFT2G
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
R3375 0
OPT
HDMI_HPD_2_JACK
UI : HDMI2
UI : HDMI3
UI : HDMI1
33
HDMI 4
2011.09.29
xxLT760H-UA
R3300 MTK Recommend : 0 Ohm
Close to Connector
Close to Connector
For ESD
For ESD
To PTC
To MTK
For CEC
From HDMI Connector
HPD SWITCH
B0 - AL MTK_HPD
H B1 - A
PTC_HPD
HPD_CTL CONNECTION
Copyright ⓒ 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only

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