LG 37LP360H (CHASSIS:LD3AC) Service Manual ▷ View online
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.
0
R2631
OPT
TU_SIF
+3.3V_TU
BLM18PG121SN1D
L2603
DVB_T2
TDSS-G101D
TU2602
12_T/C
5
+3.3V
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC
9
IF_AGC
8
CVBS
3
SCL
7
+1.8V
6
SIF
12
SHIELD
1K
OPT
R2622
T2_DMOD_CAM
0
R2615
OPT
220
R2625
FE_TS_SYNC
0.1uF
16V
C2648
0.1uF
16V
C2620
DVB_T2
1/16W
33
AR3702-*1
DVB_S
0
R2872
0
R2602
HALF_NIM/EU_NON_T2
IF_N_MSTAR
IF_P_MSTAR
0
R2608
HALF_NIM/EU_NON_T2
0.1uF
16V
C2603
RF_SW_OPT
10uF
10V
C2647
FULL_NIM
33
R2610
TU_I2C_NON_FILTER
0.1uF
16V
C2616
DVB_T2
+1.23V_TU
1/16W
33
AR3703-*1
DVB_S
0.1uF
16V
C2617
DVB_T2
BLM18PG121SN1D
L2601
DVB_T2
+3.3V_TU
0.1uF
16V
C2644
22uF
10V
C2646
0
R2628
22K
1%
FULL_NIM
R2634
TU_CVBS
220
R2624
1K
R2871
20pF
50V
C2612
0.1uF
16V
C2604
TU_SDA
0
R2601
HALF_NIM/EU_NON_T2
100pF
50V
C2621
74LVC1G08GW
IC2601
OPT
3
2
4
1
5
+1.8V_TU
0
R2627
OPT
FE_TS_VAL
4.7K
R2616
CIS21J121
L2606
SS
+3.3V_TU
20pF
50V
C2652
20pF
50V
C2651
+3.3V_TU
FE_TS_VAL
MMBT3906(NXP)
Q2600
E
B
C
FE_TS_ERR
AP1117E18G-13
IC2603
OUT
INADJ/GND
+3.3V_Normal
FE_TS_DATA[0-7]
0
R2876
OPT
+3.3V_T2_TU
0.1uF
16V
C2635
+3.3V_T2_TU
1K
R2870
0.1uF
16V
C2622
0.1uF
16V
C2630
47
AR3701
FULL_NIM_NON_S
0.1uF
16V
C2641
0.1uF
16V
C2626
TU_SCL
0.1uF
16V
C2623
+3.3V_TU
47
FULL_NIM_NON_S
AR3703
+3.3V_TU
470
R2618
1/16W
33
AR3701-*1
DVB_S
+3.3V_TU
+3.3V_TU
0
R2621
FE_TS_CLK
10uF
10V
C2631
DVB_T2
RF_SWITCH_CTL
TUNER_RESET
TH
ER
M
A
L
TJ4220GDP-ADJ
IC2602
FULL_NIM
3
VIN3
2
EN2
4
NC4
1
NC_1
5
NC_2
6
VOUT
7
ADJ/SENSE
8
GND
9
[EP]GND
100uF
16V
C2606
OPT
100K
R2614
20pF
50V
C2607
0.1uF
16V
C2600
200
1%
R2873
OPT
0
RF_SW_OPT
R2603
MMBT3906(NXP)
Q2601
E
B
C
3.3K
FULL_NIM
R2629
0.1uF
16V
C2645
FULL_NIM
MLG1005SR27JT
R2610-*1
TU_I2C_FILTER
FE_TS_ERR
100pF
50V
C2614
DVB_T2
22uF
10V
C2643
FE_TS_VAL_ERR
47
FULL_NIM_NON_S
AR3702
MLG1005SR27JT
R2609-*1
TU_I2C_FILTER
0.1uF
16V
C2633
DVB_T2
82
R2619
0
R2606
DVB_T2
10uF
6.3V
C2618
DVB_T2
10uF
10V
C2642
100pF
50V
C2602
100
R2611
+1.8V_TU
1
R2632
IF_AGC_MAIN
0.1uF
16V
C2640
OPT
TDSN-C201D
TU2603-*1
TU_CHINA
1
RF_S/W_CTL
2
RESET
3
SCL
4
SDA
5
+B1[3.3V]
6
SIF
7
+B2[1.8V]
8
CVBS
9
NC_1
10
NC_2
11
NC_3
12
+B3[3.3V]
13
+B4[1.23V]
14
NC_4
15
GND
16
ERROR
17
SYNC
18
VALID
19
MCLK
20
D0
21
D1
22
D2
23
D3
24
D4
25
D5
26
D7
27
D8
28
SHIELD
33
R2609
TU_I2C_NON_FILTER
+3.3V_TU
12K
1%
FULL_NIM
R2633
0.1uF
16V
C2601
OPT
TDSN-G301D
TU2603
TU_T2/C
1
NC_1
2
RESET
3
SCL
4
SDA
5
+B1[3.3V]
6
SIF
7
+B2[1.8V]
8
CVBS
9
NC_2
10
NC_3
11
NC_4
12
+B3[3.3V]
13
+B4[1.23V]
14
NC_5
15
GND
16
ERROR
17
SYNC
18
VALID
19
MCLK
20
D0
21
D1
22
D2
23
D3
24
D4
25
D5
26
D6
27
D7
28
SHIELD
A1
A1
B1
B1
+1.23V_TU
TDSS-G101D(B)
TU2602-*1
13_bushing_T/C
5
+3.3V
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC
9
IF_AGC
8
CVBS
3
SCL
7
+1.8V
6
SIF
12
SHIELD
A1
A1
B1
B1
120OHM
SUNLORD
L2606-*1
FE_TS_DATA[0]
FE_TS_DATA[6]
FE_TS_DATA[4]
FE_TS_DATA[3]
FE_TS_DATA[7]
FE_TS_DATA[1]
FE_TS_DATA[2]
FE_TS_DATA[2]
FE_TS_DATA[5]
Vo=0.8*(1+R2/R1)
Vo=VREF*(1+R2/R1)
R2
C l o s e t o t h e t u n e r
close to TUNER
close to TUNER
ERROR & VALID PIN
VREF=1.25V
GP4R_GLOBAL_TUNER_BLOCK
Close to TUNER
R1
s h o u l d b e g u a r d e d b y g r o u n d
R1
R2
G P I O m u s t b e a d d e d .
26
2 0 1 2 . 1 1 . 1 2
2013 S7LR2
TUNER