LG 49UH6500 Service Manual page 69
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Also See for 49UH6500:
- Easy setup manual (61 pages) ,
- Owner's manual (54 pages) ,
- Safety and reference (47 pages)
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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.
Copyright
2016 LG Electronics Inc. All rights reserved.
Only for training and service purposes
Ground Width >= 24mils
1. should be guarded by ground
2. No via on both of them
3. Signal Width >= 12mils
Signal to Signal Width = 12mils
1
I2C_SCL5_TU
2
I2C_SDA5_TU
close to Tuner
TU_ALL
R6501
0
3
+3.3V_PLL_TU
C6502
0.1uF
TU_ALL
4
TU_CVBS_TU
TU_ALL_IntDemod
5
IF_AGC_TU
6
TU_SIF_TU
7
IF_P_TU
TU_ALL_IntDemod
8
IF_N_TU
TU_ALL_IntDemod
10
/TU_RESET1_TU
11
+3.3V_D_TU
12
LNB_TX
14
FE_DEMOD1_TS_ERROR
15
FE_DEMOD1_TS_CLK
16
FE_DEMOD1_TS_SYNC
17
FE_DEMOD1_TS_VAL
18
FE_DEMOD1_TS_DATA[0]
19
FE_DEMOD1_TS_DATA[1]
20
FE_DEMOD1_TS_DATA[2]
21
FE_DEMOD1_TS_DATA[3]
22
FE_DEMOD1_TS_DATA[4]
23
FE_DEMOD1_TS_DATA[5]
24
FE_DEMOD1_TS_DATA[6]
25
FE_DEMOD1_TS_DATA[7]
TU_W_BR/TW
TU_ALL
R6507-*1
R6507
200
33
I2C_SCL5
C6508
R6508-*1
I2C_SDA5
47pF
200
R6508
50V
33
TU_W_BR/TW
C6504
TU_ALL
TU_ALL
TU_EXT_ATV
47pF
C6512
TU_EXT_ATV
50V
0.1uF
TU_ALL
16V
+3.3V_TU
close to Tuner
R6505
1K
IF_AGC
TU_ALL_IntDemod
C6503
0.1uF
16V
R6504
10
IF_P
C6507
33pF
should be guarded by ground,Match GND VIA
R6503
10
TU_ALL_IntDemod
IF_N
C6506
33pF
TU_ALL_IntDemod
TU_N/D
R6506
TU_N/D
/TU_RESET1
100
C6505
+3.3V_TU
16V
TU_N/D
0.1uF
R6509
0
C6510
0.1uF
TU_N/D
LNB_TX
close to Tuner
FE_DEMOD1_TS_ERROR
FE_DEMOD1_TS_CLK
FE_DEMOD1_TS_SYNC
FE_DEMOD1_TS_VAL
FE_DEMOD1_TS_DATA[0]
FE_DEMOD1_TS_DATA[1]
FE_DEMOD1_TS_DATA[2]
FE_DEMOD1_TS_DATA[3]
FE_DEMOD1_TS_DATA[4]
FE_DEMOD1_TS_DATA[5]
FE_DEMOD1_TS_DATA[6]
FE_DEMOD1_TS_DATA[7]
+3.3V_TU
+3.3V_NORMAL
1608 perallel
because of derating
TU_EXT_ATV
R6512
R6514
200
200
C6513
TU_ALL
C6500
TU_ALL
10uF
10uF
TU_CVBS
10V
10V
E
TU_EXT_ATV
B
Q6502
MMBT3906(NXP)
C
TU_SIF_TU
TUNER
FE_DEMOD1_TS_ERROR
+3.3V_TU
2015.04.20
65
LGE Internal Use Only
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