Schematic Diagrams - Sharp LC-40LE530E Service Manual

15 SCHEMATIC DIAGRAMS

Tuner Diagram (1/17)
1 2
ANALOG_IF
LG
DIGITAL_IF_N
DIGITAL_IF_N
AIF
12
DIF1
11
DIGITAL_IF_P
A
DIF2 DIGITAL_IF_P
10
IF_AGC_TUN
IF_AGC
9
ADDRESS_SEL_TUNER
2
1 S44 2
AS 5V_TUN
8
1 S43 2
2
NC SDA_TUN
C1123
7
1 S105 2
2
5V_TUN
2 47p
1 S107 2
SCL_TUN 1
B2 50V
6
1 2
S109
SDA_TUN
C1121
1 S106 2 2
2
SDA ADDRESS_SEL_TUNER
47p
5 1 2
S69
1
50V
SCL SCL_TUN
1
4
1 S110 2
RF_AGC T_AGC
3 C1124
2
1 47p
1
B1 VTUNE 50V
2 1 2
S15
ANT_PWR ACT_ANT
1 C1122
1
1 S17 2
B 2
47p
1
50V
Samsung/Ntune
5V_TUN
3
C R829
2 Q7
RF_AGC_TUNER 47k
BC848B
1 R831 R832
100k 100k
AGC_SENSE
R749
S185
D
5V_TUN 22R
S179
8V_VCC
C462 C488
1
100p 47u
50V 2 16V
C475
R701
1k
10n
C478 NC
10n
C1110
L20
S62
ANALOG_IF 2
10n
47p
C1109
50V
47p
E
F
1 2
3 4
NC
ADDRESS_SEL_TUNER
1 S40
ACTIVE ANTENNA
ADRRESS SEL:0-->ADDR=C0
ADRRESS SEL:1-->ADDR=C2
1 S39
R664
1 4R7 2
R337
2R1
1 2
VTUNE 1k 5V_TUN
5V_TUN
C268
1 2
2
5V_TUN
1u
TH1
1
50V
OVER_CUR_DETECT
R92
S73
2 1
1 10k 2
R351
3
1 1k 2
1
Q59
3
R91
FDN336P BC848B
2
2 1 10k 2 ANT_CTRL
Q36
ACT_ANT
ACT_ANT
1
TP152 C264
1
10u
16V
NC
D37
1 2
R437
100R
1N4148 IF_AGC_TUN
R436 10V
1
100n
T_AGC 100R RF_AGC_TUNER
C148 2
C401 C440
2
1u 100n
1
50V 10V
N.C. This part must be placed near the tuner
R208
SCL_TUNER
SCL_TUN 1 47R 2
C427
2
47p
1
50V
R207
SDA_TUNER
SDA_TUN 1 47R 2
C426
2
47p
1
50V
SAW_SW
Z2
C474 1 4
IN1 OUT1
3
K9656M
2 IN2 OUT2 5
Q43
10n
GND
BF799
1
3
R752
Q1
2
220k SAW_SW
BC848B
1
nc
Z1
C479
1 IN1 OUT1 4
K3958M
10n
2 IN2 OUT2 5
GND
3 4
5 6
2
IFAGC_MSB1210 IF_AGC_TUNER
1
S174 2
SCL_MSB1210 SCL_TUNER
1
2
S175
5V_TUN SDA_MSB1210
SDA_TUNER
1
2 S176 2
SCL_MSB1222
SCL_MSB1210
1 S229 2
SDA_MSB1210 SDA_MSB1222
1 2
S230
IF_AGC_TUNER
IF_AGC_TUNER
IF_AGC_TUN
3
RF_AGC_SW 22k 2
2 1
R1193
1
F91
1 2
5V_TUN
330R
C487
1
47u
2 16V
SIF_1
SIF_2
nc nc
VIF_1
VIF_2
C455 C456
33p 33p
50V 50V
5 6
67
7 8
1
R830
BC848B
1 22k 2 RF_AGC_SW
Q17
2
3 R1192
1 22k 2
R815
1 B1 6
5V_TUN
RFAGC_MSB1210 S 1 4k7 2
U34
2 5
GND VCC 5V_TUN
FSA3157
R814
3 4
B0 A
5V_TUN 1 4k7 2 RF_AGC_TUNER
nc 10V
S:0-->B0=A 1
100n
S:1-->B1=A 2
C422
U115
74HCT4053
1 2Y1 16
SCL_MSB1222
VCC 5V_TUN
2 15
SCL_MSB1210
2Y0 2Z SCL_TUNER
3 14
IFAGCMSB1222 3Y1 1Z
SDA_TUNER
4 13
SDA_MSB1222
3Z 1Y1
5 12
IFAGC_MSB1210 SDA_MSB1210
3Y0 1Y0
6 11
10V E S1
1 7 10
100n
VEE S2 R254
2 8 9
C137 GND S3 5V_TUN
1 4k7 2
S1,S2,S3=0-->X0=Z
S1,S2,S3=1-->X1=Z 3
R595
Q116
2
1 22k 2 IDTV_SW
BC848B
1
F3
1 2
5V_TUN 5V_IF_SUP
Q151 60R
C271
BC848B
10u
10V
F1
CAN TUNER
1 2
5V_VCC
U18
60R
LM1117
F18
3 2
1 2 IN OUT
8V_VCC
60R
C449
GND VOUT
C570
100u
10u
1 4
16V
10V
R667
S61
1k6
CAN TUNER:BJT U26
LM1117
F58
3 2
1 2 IN OUT 3V3_IF
5V_VCC
330R
C402 C338
GND VOUT
1
47u 10u
1 4
2 16V 25V
R679 R435
715R 220R
U25
LM1117
F60
3 2
1 2 IN OUT
5V_VCC
330R
C404 C339
GND VOUT
1
47u 10u
1 4
2 16V 25V
R336 R440
1k 220R
VESTEL
17mb61-3
PROJECT NAME :
TUNER
SCH NAME : TOTAL SHEET:
DRAWN BY : MB61 HW TEAM 24-05-2011_15:12
7 8
LC-32LE530
LC-40LE530
A
B
C
5V_TUN
D
E
2V8_MSB
F
A3
17
A X M