Schematic Diagrams - Sharp LC-32LE240EV Service Manual

SCHEMATIC DIAGRAMS

23 . Schematic Diagrams
Tuner & T2 Demodulator Diagram
I
1 2
NUTUNE/SEMCO/LG
TP48
1
1
ANT-DC ACTIVE_ANT_SUPPLY
2
A
VCC 3V3_TUNER
3
SCL TUN_SCL
H
4
SDA TUN_SDA
5
GND
6
CLK_OUT
7
IF_N DIGITAL_IF_N
8
IF_P DIGITAL_IF_P
9
IF_AGC
IF_AGC_TUNER
G
B
F
F1
1V2_VCC
60R
C60
C 22uF
16V
F2
3V3_VCC 3V3_S2_VDDD
E
60R
C59
22uF
6V3
D
F4
3V3_VCC 3V3_S2_TUN
60R
D C58
22uF
6V3
F3
3V3_VCC 3V3_S2_VDDA R39
60R
3k3
10nF
16V
C27
C
2 S11 1
NC
3V3_S2_TUN
2 S5 1
E
NC
C63
L1
CN17
2 S138 1 4n7H
2p2F
3.3pF
50V 50V
0.5pF
1nF
LNB_OUT
B 1nF 1nF 1nF 1nF
3V3_S2_TUN
50V 50V 50V 50V
F
A
1 2
1 2 3
3 4
ACTIVE_ANT_SUPPLY
C965
C61 100nF
C904
2 22uF 16V
100nF
1
1 6V3
ANT-DC 10V
2
+3V3 3V3_TUNER TUN_SCL
3
SCL 47R TUN_SCL_MST
R30
4
SDA 47R TUN_SDA_MST
R29
5
GND TUN_SDA
6
RESET RESET_TUNER
S40
7
IF_N DIGITAL_IF_N
S41
8
IF_P DIGITAL_IF_P
9
IF_AGC
IF_AGC_TUNER
1 TP47
SONY TUNER
1V25_S2_VDDI
50V 50V
X1
1 4
27MHz
2 3
RES VDDA2 3V3_S2_TUN
15 7
CAP CK_OUT
16 6
CKDIV_OPT IP
S2_IP
17 5
RFBYPASS IN
S2_IN
18 4
RESET VDDA1 3V3_S2_TUN
19 3
M88TS2022
LNA_IN QN
S2_QN
20 2
TEST QP S2_QP
21 1
3V3_S2_TUN
R31 R32
1k 1k S2_AGC
16V 16V
16V
R22
10k
R35
NC
SCL_S2_TUN
33R
R36
SDA_S2_TUN
33R
50V 50V
3 4
4 5 6 7
5 6
R1595
10k 12V_VCC
F304 R1581
ACTIVE_ANT_SUPPLY
1k
FDN336P
1k
Q175
Q172
R1594
BC848B
OVER_CUR_DETECT 10k
NC
1
27 MHZ KULLANILACAK
GNDA_1
2
XTAL_IN
3
XTAL_OUT
3V3_S2_VDDA
4
VDDA_1
5
16V GNDA_2
C29 10nF
6
S2_IP IP
C30 10nF
7 M88DS3002
S2_IN IN
16V
8
3V3_S2_VDDA VDDA_2
9
16V GNDA_3
C32 10nF
10
S2_QN QN
C31 10nF
11
S2_QP QP
16V
NC 12
NC6
13
3V3_S2_VDDD VDDD_1
14
1V25_S2_VDDI VCC_1
15
1V25_S2_VDDI VCC_2
16
NC7
R44
S2_AGC 2k
3V3_S2_VDDD
16V
00 SEÇILDI WRITE:D0H
SCL_S2_TUN
SDA_S2_TUN
50V
5 6
8 9 10
69
7 8
R1597 R1963
IF_AGC_MST 10k
1 100R 2 IF_AGC_TUNER
C912 C910
2 2
100nF 100nF
R1590 1 10V 1 10V
10k ANT_CTRL
NC NC NC NC
C71
R26
12pF
48
M_CKOUT 47R
50V TSMICLK
R27
47
M_SYNC 47R
TSMISYNC
46
VCC_8 1V25_S2_VDDI
R28
45
M_VAL 47R
TSMIVALID
44 NC
M_ERR
43
M_DATA7 R4
TS_MDI7
5 4
42
M_DATA6 R3
TS_MDI6
6 3
3V3_S2_VDDD
41
VDDD_3 R2
TS_MDI5
7 2
40
M_DATA5 R1
TS_MDI4
8 1
47R
39 R1584
M_DATA4
38
VCC_7 1V25_S2_VDDI
47R
37
M_DATA3 R4
TS_MDI3
5 4
36
M_DATA2 R3
TS_MDI2
6 3
35
M_DATA1 R2
TS_MDI1
7 2
34
M_DATA0 R1
TS_MDI0
8 1
R1583
33
VCC_6 1V25_S2_VDDI
RESET_S2
READ:D1H
KONTROL EDILECEK
R38
33R SCL_SYS 3V3_S2_VDDD
R37
33R SDA_SYS
VESTEL
17mb62-2v3
PROJECT NAME :
50V
SCH NAME : TUNER&S2_TUNER&DEMOD
Ulas Dereli
DRAWN BY : 27-10-2011_08:56
7 8
13
11 12
LC-32LE240
LC-40LE240
A
B
C
D
E
F
A3
T. SHT:
A X M
14
15 16