LG 32LN548C / 32LN549C / 32LP360H / 32LP361H (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.
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 . 1 u F
16V
16V
C1907
+5V_Normal
BLM18PG121SN1D
L1902
CI_SLOT
CI_MCLKI
/CI_CD2
4 . 7 u F
16V
16V
C1911
0 . 1 u F
16V
16V
C1913
47
R1919
10K
R1904
CI_TS_DATA[2]
+5V_CI_ON
/CI_CD1
/PCM_IRQA
/CI_CD1
PCM_A[0]
PCM_A[12]
0 . 1 u F
16V
16V
C1904
CI_WE
CI_MDI[0]
/PCM_IOWR
CI_ADDR[9]
CI_TS_DATA[4]
CI_WE
CI_IOWR
10K
R1924
10uF
10V
10V
C1906
+3.3V_CI
PCM_A[6]
FE_TS_DATA[0-7]
REG
33
AR1907
47
R1901
10K
R1906
33
AR1912
PCM_A[9]
BLM18PG121SN1D
L1901
0.1uF
16V
C1910
CI_ADDR[0]
CI_TS_DATA[1]
CI_DET
CI_ADDR[4]
CI_MDI[6]
CI_DET
33
AR1903
33
AR1913
CI_TS_DATA[6]
10K
R1917
PCM_RST
10K
R1913
100
R1908
PCM_A[1]
CI_ADDR[2]
/PCM_CD
CI_MDI[5]
PCM_5V_CTL
PCM_A[7]
33
AR1908
CI_OE
+3.3V_CI
CI_ADDR[8]
GND
CI_OE
CI_TS_CLK
0 . 1 u F
C1909
CI_ADDR[7]
CI_IORD
CI_DATA[0-7]
CI_ADDR[1]
CI_MDI[3]
PCM_A[11]
CI_ADDR[6]
CI_ADDR[12]
/CI_CD2
FE_TS_SYNC
CI_ADDR[14]
CI_MDI[5]
CI_IORD
74LVC1G32GW
IC1901
CI_SLOT_OR_GATE_NXP
3
GND
2
A
4
Y
1
B
5
VCC
CI_ADDR[3]
CI_TS_VAL
PCM_A[14]
CI_ADDR[11]
/PCM_WAIT
CI_TS_SYNC
0.1uF
C1902
33
AR1909
CI_IOWR
47
R1902
REG
CI_MDI[7]
CI_ADDR[13]
GND
/PCM_OE
CI_MDI[3]
CI_MDI[4]
PCM_A[4]
2.2K
R1922
TOSHIBA
TC74LCX244FT
0ITO742440D
IC1902
3
2Y4
2
1A1
4
1A2
1
1OE
6
1A3
5
2Y3
7
2Y2
8
1A4
9
2Y1
10
GND
11
2A1
12
1Y4
13
2A2
14
1Y3
15
2A3
16
1Y2
17
2A4
18
1Y1
19
2OE
20
VCC
/PCM_REG
CI_MDI[2]
+5V_Normal
CI_MDI[0]
CI_MCLKI
CI_MIVAL_ERR
33
AR1904
PCM_A[5]
/PCM_CE
22K
R1914
CI_MDI[7]
PCM_A[2]
CI_MISTRT
33
AR1905
47
R1915
/PCM_WE
CI_MDI[4]
10K
R1903
+3.3V_CI
100
R1920
PCM_A[10]
+5V_Normal
FE_TS_VAL_ERR
CI_DATA[0-7]
33
AR1906
CI_ADDR[5]
CI_TS_DATA[7]
CI_ADDR[10]
GND
/PCM_IORD
47
R1918
33
AR1901
CI_TS_DATA[3]
+5V_CI_ON
100
R1907
CI_TS_DATA[5]
CI_MDI[1]
CI_TS_DATA[0]
CI_MDI[2]
FE_TS_CLK
PCM_A[8]
PCM_D[0-7]
0 . 1 u F
16V
16V
C1903
PCM_A[3]
0 . 1 u F
C1905
GND
CI_MIVAL_ERR
+3.3V_CI
CI_MISTRT
10K
R1905
CI_MDI[1]
CI_ADDR[0-14]
CI_MDI[6]
+3.3V_Normal
10K
R1921
PCM_A[13]
GND
33
R1925
33
R1926
33
R1927
12pF
50V
50V
C1914
MMBT3904(NXP)
Q1901
E
B
C
AO3407A
Q1902
CI_SLOT
G
D
S
T2_DMOD_CAM
0
R1929
0
R1928
OPT
10067972-000LF
EAG41860102
P1902
CI_SLOT
G1
G2
57
21
52
16
10
47
41
5
36
59
23
45
54
18
49
43
13
7
38
2
25
56
20
51
15
9
46
40
4
35
58
22
53
17
11
48
42
12
6
37
1
24
55
19
50
44
14
8
39
3
26
60
27
61
28
62
29
63
30
64
31
32
33
34
65
66
67
68
69
CI_DATA[6]
CI_ADDR[11]
CI_ADDR[14]
CI_ADDR[6]
CI_DATA[0]
FE_TS_DATA[0]
FE_TS_DATA[3]
FE_TS_DATA[7]
CI_DATA[2]
CI_ADDR[10]
CI_DATA[0-7]
CI_ADDR[0]
CI_ADDR[13]
CI_DATA[0-7]
CI_DATA[0-7]
CI_ADDR[5]
FE_TS_DATA[4]
FE_TS_DATA[2]
PCM_D[7]
FE_TS_DATA[6]
CI_DATA[7]
CI_DATA[2]
CI_DATA[7]
CI_DATA[3]
CI_ADDR[2]
CI_ADDR[1]
CI_ADDR[9]
FE_TS_DATA[5]
PCM_D[1]
CI_DATA[1]
CI_ADDR[3]
CI_DATA[1]
PCM_D[0-7]
CI_DATA[4]
CI_ADDR[4]
PCM_D[3]
PCM_D[6]
CI_ADDR[12]
PCM_D[4]
PCM_D[0]
PCM_D[2]
CI_DATA[0]
CI_DATA[4]
PCM_D[5]
CI_DATA[5]
CI_DATA[5]
CI_DATA[6]
CI_ADDR[7]
FE_TS_DATA[1]
CI_DATA[3]
CI_ADDR[8]
CI TS INPUT
CI SLOT
CI HOST I/F
CI DETECT
* O p t i o n n a m e o f t h i s p a g e : C I _ S L O T
C I R e g i o n
( b e c a u s e o f H o n g K o n g )
CI POWER ENABLE CONTROL
CLOSE TO MSTAR
2 0 1 2 . 1 1 . 1 2
2013 S7LR2
PCMCI
19
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
