Ofdm/ Tuner Schematic Diagram - Sharp LC-20AD5E-BK Service Manual

A B
8
7
6
5
4
3
2
1
A B
H-33
C D
OFDM/ T UNER SCHEMATIC DIAGRAM
(MAIN PCB)
0 1.5 0 1.0 1.7 1.3 1.3 3.3 1.3 1.3 1.0 1.3 1.3 1.3
48 47 46 45 44 43 42 41 40 39 38 37 36 35
C1701
NC
0.1 B
3.3
VDD33
1.0
VDD1
C1702
0
GPI08
0.1 B
C1703
NC GPI07
100P CH
R1700
NC GPI06
17 AGCBB
10K
1.0
VDD1 33 D0
48 ERROR
3.3
VDD33 49 GPI01
64 SCANMODE
GPI05
NC
GPI04
NC
C1704 GPI03
NC NC
100P CH
GPI02
NC
C1700
GPI09
NC
100P CH
1.0
VDD1
3.3 VDD33
0
OFDM DEMODULATOR 1 2 3 4 5 6 7 8 9 10 11 12 13 14
IC1700 NC 2.5 2.5 2.5 0.8 0 1.7 1.7 0 1.0 2.5 0.9
NC NC
STV0362
R1701
C1710
470
X1700
0.1 B R1702
27MHz
C1711 470
10 C
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C D
E F
3.3 1.3
R1708
34 33
10K
3.3 FERESET
RESET
C1732
1.0 100P CH
VDD1
R1712
3.3
SCL_D
SCL
47
R1706
3.3 SDA_D
SDA
C1736
47
3.3
VDD33
100P CH
R1711
1.3
DIRCLK
10K
R1709
0
CS1
10K
R1710
0
CS0
10K
1.0
VDD1
AUX_CLK NC
C1733
3.4
0.1 B
VDD33
R1716
3.3 TSDA
SDAT
100
R1715
3.3
TSCL
SCLT
C1734 100PCH 100
1.0
VDD1
C1735
AGCRF NC
0.1 B
0
15 16
0.9 2.5
C1730
C1729 B1701 W811
0.1 B
FCM1608CF-600T06
0.1 B
C1728
100PCH
L1702
B1702
C1731
FCM1608CF-600T06
2.2uHNLV25
0.1 B
L1700
B1700
FCM1608CF-600T06
2.2uHNLV25 L1703
2.2uHNLV25
W812
OFDM_A_GND
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
E F
G H
FROM/TO ASIC
FERESET
FEERROR
SDA_D
SCL_D
FROM/TO COMMON INTERFACE
TS_IN_CLK
TS_IN_DATA0
TS_IN_DATA1
TS_IN_DATA2
TS_IN_DATA3
TS_IN_DATA4
TS_IN_DATA5
TS_IN_DATA6
TS_IN_DATA7
TS_IN_STRT
TS_IN_VAL
FROM/TO POWER
GND
FROM/TO TUNER
TSDA
TSCL
TINP
TINM
TIAGC2
FROM/TO POWER I/O
3V3
2V5
1V
PCBDH0
CMF112
G H
8
7
6
5
4
3
2
1
H-34