Sharp LC-20SD4E Service Manual page 47

A B
8
SH2401 SH2402 SH2403 SH2404
TP00370-21 TP00370-21 TP00370-21 TP00370-21
7
FROM/TO FLASH/SDRAM
EMID[0]
EMID[1]
EMID[2]
EMID[3]
EMID[4]
EMID[5]
EMID[6]
EMID[7]
EMID[8]
EMID[9]
EMID[10]
EMID[11]
EMID[12]
6
EMID[13]
EMID[14]
EMID[15]
EMIA[2]
EMIA[3]
EMIA[4]
EMIA[5]
EMIA[6]
EMIA[7]
EMIA[8]
EMIA[9]
EMIA[10]
EMIA[11]
EMIA[12]
EMIA[13]
EMIA[14]
EMIA[15]
EMIA[16]
5
EMIA[17]
EMIA[18]
EMIA[19]
EMIA[20]
EMIA[21]
EMIA[22]
FOR LCD
EMIA[23]
CP2402
EMIBE1
A2001WV2-5P
EMIBE0
1 GND EMICAS
EMIRAS
2 RX
EMIOE
3 TX EMICS5
EMIRW
4 AT+5V
EMICLK
5 NC EESDA
EESCL
EMICS0
4
P5V
W805
RXD
JTAG CONNECTOR
CP2403 W806
TXD
14_8261_208_214_826+
1 NC
R2405
2 GND
R2406
10K TRIGOUT
3 TRIGOUT
75
4 GND
R2407
TRIGIN
5 TRIGIN
C2404
75
6 GND
0.1 B
7 NC
3
R2408
8 GND
10K
TMS
9 TMS
10 GND
TCK
11 TCK
12 GND
TDI
13 TDI
14 GND
R2411
TDO
15 TDO
47
16 GND
NOTJRST
17 NOTJRST
18 GND
NOTTRST
19 NOTTRST
2
20 GND
NR2401
4D02WGJ0103TCE
1
A B
H-27
C
SH2405
TP00370-21
C2401
22P CH
1
C2402 R2401
22P CH 330K
DVB-T ASIC
NC
IC2401 (1/3)
STI5516_27X27
EMID[0] 0.8
A1 EMID[0]
EMID[1] 0.6
B1 EMID[1]
0.6
EMID[2]
C1 EMID[2]
EMID[3] 0.6
G3 EMID[3] P4 CPUWAIT
0.3
EMID[4]
K4 NOTEMIACKREQ
C2 EMID[4]
EMID[5] 0.2
D2 EMID[5]
0.2
EMID[6]
D1 EMID[6]
0.3
EMID[7]
H1 EMID[7]
EMID[8] 0.3
E3 EMID[8]
EMID[9] 0.6
E1 EMID[9]
EMID[10] 0.6
E2 EMID[10]
0.3
EMID[11]
G4 EMID[11]
0.3
EMID[12]
H4 EMID[12]
EMID[13] 0.2
G2 EMID[13]
0.3
EMID[14]
H2 EMID[14]
EMID[15] 0.6
H3 EMID[15]
0.2
EMIA[2]
C11 EMIA[2]
EMIA[3] 0.2
B10 EMIA[3]
EMIA[4] 2.6
A9 EMIA[4]
0.6
EMIA[5]
B9 EMIA[5]
EMIA[6] 0.7
C9 EMIA[6]
2.2
EMIA[7]
D9 EMIA[7]
EMIA[8] 0.5
A7 EMIA[8]
1.0
EMIA[9]
B7 EMIA[9]
0.9
EMIA[10]
A6 EMIA[10]
EMIA[11] 2.7
B6 EMIA[11]
1.5
EMIA[12]
C7 EMIA[12]
EMIA[13] 1.2
D7 EMIA[13]
2.2
EMIA[14]
A5 EMIA[14]
3.1
EMIA[15]
B5 EMIA[15]
EMIA[16] 0.3
C6 EMIA[16]
0.4
EMIA[17]
A4 EMIA[17]
EMIA[18] 1.1
B4 EMIA[18]
0.3
EMIA[19]
A3 EMIA[19]
0.2
EMIA[20]
B2 EMIA[20]
EMIA[21] 0.6
A2 EMIA[21]
2.4
EMIA[22]
B3 EMIA[22]
EMIA[23] 0.3
D6 EMIA[23]
0.1
EMIBE1
L1 EMIBE1
EMIBE0 3.3
N3 EMIBE0
EMICAS 3.3
K1 EMICAS
3.3
EMIRAS
L3 EMIRAS
EMIOE 3.3
N1 EMIOE
2.3
EMICS0
J1 EMICS0
R2412
3.3
K3 NOTEMICSB
10K R2413
3.3
K2 NOTEMICSC
0.6
10K
N4 EMICS3
NC J2
3.3
EMICS5
L2 EMICS5
EMIRW 3.3
P2 EMIRW
0.9
EMICLK
G1 EMICLK
0.9
N2 EMILBA
NC
R2417
10K
C
D E
ASIC SCHEMATIC DIAGRAM
(DIGITAL PCB)
NC
NC NC NC NC NC NC
NC NC NC NC NC
NC NC
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F G
FROM/TO
COMMON INTERFACE
TS2D[0]
TS2D[1]
TS2D[2]
TS2D[3]
TS2D[4]
TS2D[5]
TS2D[6]
TS2D[7]
CPUWAIT
NC NC NC NC NC NC NC NC NC NC NC NC NC NC CIIRQ1
CIIRQ0
CION
CIRESET
A26 NC
TS2CLK
B26 NC
TS2VAL
TS2STRT
B24 NC
EMIBE0
F24 NC
EMILBA
EMICS3
E24 NC
A22 NC
EMIA[2]
EMIA[3]
A24 NC
EMIA[4]
A23 NC
EMIA[5]
EMIA[6]
C24 NC
EMIA[7]
D24 NC
EMIA[8]
EMIA[9]
C26 NC
EMIA[10]
G26 NC
EMIA[11]
EMIA[12]
E26 NC
EMIA[13]
F26 NC
EMIA[14]
EMIA[15]
D26 NC
EMIA[16]
1.3 FED[0]
FED[0] M23
EMIA[18]
1.3
FED[1]
FED[1] L24
1.3
FED[2]
FED[2] L25
1.3 FED[3]
FED[3] L26
1.3
FED[4]
FED[4] J24
FROM/TO OFDM/TUNER
1.3 FED[5]
FED[5] H24
1.3 FED[0]
FED[6]
FED[6] J25
FED[1]
1.3
FED[7]
FED[7] K26 FED[2]
1.6 FECLK FED[3]
FECLK P23
FED[4]
0
FESTROUT
FESTROUT N26 FED[5]
0 FEERROR FED[6]
FEERROR M26
FED[7]
1.5
FEVALID
FEVALID M24 I2CSDA
0 TS2D[0] FERESET
TS2D[0] D21
I2CSCL
0 TS2D[1]
TS2D[1] C21 FEOFF
0
TS2D[2] FEERROR
TS2D[2] D20
FEVALID
0 TS2D[3]
TS2D[3] C20 FECLK
0
TS2D[4] FESTROUT
TS2D[4] C19
0 TS2D[5]
TS2D[5] D18
0
TS2D[6]
TS2D[6] C18
0
TS2D[7]
TS2D[7] B18
0 TS2CLK
TS2CLK C23
0
TS2STRT
TS2STRT D19
0 GND
TSIN2LERROR B23
0
TS2VAL
TS2VAL C22
2.5
SMIA[13]
SMIA[13] AD26
FROM/TO POWER I/O
0 SMIA[12]
SMIA[12] AB25
0.2 ASPECT
SMIA[11]
SMIA[11] AB24
LEFTM
0.1 SMIA[10]
RIGHTM
SMIA[10] AC25
CVBS
0
SMIA[9]
SMIA[9] AE26
VR
0.4 SMIA[8]
YG
SMIA[8] AB23
UB
0 SMIA[7]
SMIA[7] AE25
TVTX
0
SMIA[6]
TVRX
SMIA[6] AF26
VBGFIL
0.4 SMIA[5]
SMIA[5] AD25
LEFTP
0
SMIA[4]
RIGHTP
SMIA[4] AF25
SPDIF
0.4 SMIA[3]
SMIA[3] AE24
WAKEUP
0.4
SMIA[2] MUTE
SMIA[2] AF24
0.2 P1V8
SMIA[1]
SMIA[1] AF23
P5V
0.2 SMIA[0]
P3V3
SMIA[0] AE23
0.8 GND
SMID[15]
SMID[15] U26
1.2 SMID[14]
SMID[14] U25
1.7
SMID[13]
SMID[13] R23
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.
F G
H
8
FROM/TO FLASH/SDRAM
SMID[0]
SMID[1]
SMID[2]
SMID[3]
SMID[4]
SMID[5]
SMID[6]
SMID[7]
SMID[8]
SMID[9]
SMID[10]
SMID[11]
SMID[12]
SMID[13] 7
SMID[14]
SMID[15]
SMIA[0]
SMIA[1]
SMIA[2]
SMIA[3]
SMIA[4]
SMIA[5]
SMIA[6]
SMIA[7]
SMIA[8]
SMIA[9]
SMIA[10]
SMIA[11]
SMIA[12]
SMIA[13]
SMICS
SMIDQML
6
SMICAS
SMIRAS
SMIWE
SMIDQMU
SMICLK
FROM/TO ASIC2
VDDFS
VDDPLL
VDDA
VDDADAC
27MHZPWM 5
CLK27MHZ
SYSRESET
NOTJRST
VDDAC
4
3
2
PCBDH0
CEF196
1
H
H-28