Sharp LL-T2010W (serv.man20) Service Manual ▷ View online
LL-T2010W
WAVE FORM
5 – 2
Waveform 4. HSYNC (R76)
Frequency: 75kHz
Display: Option
Waveform 5. LCD CLK (R94)
Frequency: 63MHz
Display: Option
Waveform 6. LCDDE (R95)
Frequency: 75kHz
Display: Option
Waveform 7. LVDSCK (IC17, 29, 30, 41, 42PIN)
Frequency: 63Mhz
Display: Option
Waveform 8. LCDDATA (RN~RN12)
Display: Pattern in every 2 lines of black and white
2V/DIV, 5µs/DIV
GND
2V/DIV, 10ns/DIV
GND
2V/DIV, 5µs/DIV
GND
500mV/DIV, 10ns/DIV
GND
Enlarged
2V/DIV, 20ns/DIV
GND
GND
LL-T2010W
WAVE FORM
5 – 3
Waveform 9. LCDDATA (RN1~RN12)
Display: Pattern in every 2 lines of black and white
Waveform 10. RGB OUT
(IC8 side of C7, C11, C15)
Display: Black-and-white, 16-gradation pattern
Waveform 11. SDRAM I/O DATA
(IC10, 11, 12: 2, 3, 5, 6, 8, 9, 11, 12, 39, 40, 42, 43, 45,
46, 48, 49PIN)
Display: Pattern in every 2 lines of black and white
Waveform 12. SDRAM I/O DATA
(IC10, 11, 12: 2, 3, 5, 6, 8, 9, 11, 12, 39, 40, 42, 43, 45,
46, 48, 49PIN)
46, 48, 49PIN)
Display: Pattern in every 2 lines of black and white
500mV/DIV, 5µs/DIV
GND
2V/DIV, 50ns/DIV
2V/DIV, 2µs/DIV
GND
GND
Enlarged
LL-T2010W
BLOCK DIAGRAM
6 – 1
/I
RQ
HFS
HCLK
SD
A
SC
L
H
V
H2
H1
V
V
G
P
IO
(0
-7
)
SC
L
SD
A
/BK
L
T_E
N
F1
FUS
E
F2
FUS
E
TRA
CN5
H
H1
CN7
F1
FUS
E
F2
FUS
E
CN3
CN4
CN2
3.
3
V
5V
CN1
D1
H
H
V
F3
FUS
E
CN8
H2
SD
A
SC
L
CN3
CN1 MINI
D-
S
U
B 15P
CN2
ANA
L
OG I
N
P
U
T(DVI)
IN2
IN1
RGB
RGB
SD
A
SC
L
IC7
BU9882F
IC1
BA7
65
7F
(ANAL
OG SW)
IC4
74LVC86A
POL
IC2
AD8612
IC3
74LVC157A
SE
L
H/
V
RGB
X1
XTAL
24
MH
z
IC8
g
m
50
60
(SCALER)
DCLK
DE
N
R
A(7-0)
GA
(7-0)
BA(
7
-0)
R
B(7-0)
GB
(7-0)
BB(
7
-0)
IC17
THC63LVD8
23
(LVDS)
R
B
IN
(0
-4)+/-
RB
CLKIN+/
-
CN10
CN11
R
A
IN
(0
-4)+/-
RA
CLKIN+/
-
LC
DA pa
ne
l
BACK-LIGHT
INVERTER
LCD12V
FSA
DDR(
0-
12)
FS
DATA
(0-47)
FS
CLK
FS
CKE
FS
RAS
FS
CAS
F
SWE
FS
DQM
0
FS
DQM
1
FS
DQM
2
FS
DQM
3
IC10
H
Y
57
V16
161
0
(SDRAM)
IC11
H
Y
57
V16
161
0
(SDRAM)
IC12
H
Y
57
V16
161
0
(SDRAM)
USB PWB
X1
4M
Hz
CN1
US
B-
CN
4PI
N
DA
TA+
DA
TA-
IC3
uPD72012
CN2
US
B-
CN
8PI
N
DATA+[1,2]
DATA-[1,
2]
OUT[
1,2]
CTL[1,
2]
FLG
[1,
2]
IC2
uPD16857
IC1
X62FP3302
V12
BLT
V
R
ON/OFF
/BK
L
T_E
N
BLT
V
R
F4
FUS
E
IC18
PQ20WZ11
(LCD12V)
DC JACK PWB
CN1
DC
J
A
CK
IC19
PQ1
C
Z21H
2Z
(5V)
IC21
PQ1
C
Z21H
2Z
(3.3V)
IC22
PQ1
C
Z21H
2Z
(2.5V)
DV25
DV33
AVC
C
DVC
C
IC9
BA3
3C25
FP
MAI
N
PWB
AV
25
AV
33
PV
33
BLT
V
R
IC13
BR24C16
(ROM
)
IC14
M623
34
FP
(DA CON)
H
D
A
T
A
F
(0-3)
/R
ES
ET
RESE
T
IC16
PST598
(RESET IC)
X3
XTAL
24
M
H
z
SE
L
DDC_SDA
DDC_SCL
CN2
DI
GI
TA
L I
N
P
U
T(
DVI
)
IC6
74LV4053A
IC5
BR24C21
R
X
C(+
/-) R
X
2(+/-)
RX1(
+
/-)
RX0(+/-)
TX
D
RXD
WPRG_S
E
L
EA
/V
P
P
IC15
P89C
51RD
2
(µCOM)
ME
NU
SE
LECT
+
-
INPUT
SW PWB
SW5
INPUT
SW1
ME
NU
SW2
SE
LE
CT
SW4
-
SW3
+
SW6
P
O
WER
CH
APTER 6. BLOCK
DIAGR
A
M
LL-T2010W
CIRCUIT DIAGRAM
7 – 1
A
B
C
D
87
6
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
INPU
T 1
INPU
T 2
[SEL
ECT
]
H :
B
L :
A
[CTL
]
H :
IN1
L :
I
N
2
HS1
HS2
VS1
VS2
HS2
HS1
VS2
VS1
SCL
/ RX
D
SD
A
/
TX
D
L :
Y
0
H :
Y
1
GRE
EN1
BLU
E1
VS1
HS1
RED
1
HS2
BLU
E2
GRE
EN2
RED
2
VS2
VSY
IN
3
HSY
IN
3
ARE
D
2
A
G
R
EEN
2
ABL
UE
2
AHS
Y
2
AV
S
Y
2
ANG
ND
2
SEL
5
RIN
3
BIN
3
GIN
3
HRE
F1
5
HRE
F2
5
WPR
G_S
EL
5
TXD
5
RXD
5
AG
ND
DGN
D
AG
ND
DGN
D
AG
ND
AG
ND
AG
ND
AG
ND
DGN
D
DGN
D
AG
ND
DDC
5V
DGN
D
DDC
5V
DGN
D
DGN
D
AG
ND
AG
ND
DGN
D
AG
ND
AG
ND
AV
C
C
DGN
D
AV
C
C
DGN
D
AG
ND
AG
ND
DGN
D
AG
ND
DDC
5V
AG
ND
DV
C
C
AG
ND
DGN
D
DGN
D
DGN
D
AG
ND
DGN
D
DGN
D
AG
ND
AG
ND
AG
ND
AG
ND
AG
ND
AG
ND
AG
ND
AG
ND
AG
ND
AG
ND
DGN
D
DV
C
C
DGN
D
DV
3
3
DGN
D
DV
3
3
DGN
D
DGN
D
DGN
D
DV
3
3
DGN
D
DGN
D
DGN
D
AG
ND
AG
ND
AG
ND
AG
ND
AG
ND
AG
ND
AG
ND
AV
C
C
AG
ND
DDC
5V
DGN
D
DGN
D
AV
C
C
DDC
5V
AG
ND
DDC
5V
DV
C
C
DV
C
C
DGN
D
DGN
D
R22 2.7k
J
R11 5.1J
TP1
7
TP6
R78 47kJ
C8 10uF
(B)(
3216
)
R25
0J
L3
MMZ
1608
D121
B
R79 47kJ
R42 75J
R80 47kJ
R10 33J
R44 5.1J
IC6
SN7
4L
V4
053A
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
2Y1
2Y0
3Y1
3-CO
M
3Y0
INH
GND
GND
VCC
2-CO
M
1-CO
M
1Y1
1Y0
A
B
C
TP1
0
R54 4.7K
J
R61
680F
TP4
R77 47kJ
TP1
C14
0.01
uF(B
)
R37
0J
D2 D
A
N
217U
3
2
1
TP1
1
C1 10uF
(B)(
3216
)
R62
0J
R67 EMP
TY
R71 4.7k
J
R60
680F
R21 2.7k
J
R3 5.1J
R46 EMP
TY
D1 D
A
N
217U
3
2
1
R8 75J
IC1 BA7
657F
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
RIN1
HDE
T
GIN
1
GND
BIN1
GND
RIN2
GND
GIN
2
GND
BIN2
VIN1
VIN2
VO
U
T
BOU
T
CTL
CSO
UT
CV_
IN
GOU
T
VCC
RO
U
T
HOU
T
HIN2
HIN1
R7 2.7k
J
R24 EMP
TY
FB1
9
BLM
18PG
600S
N1
R2 EMP
TY
R28
0J
R68
4.7k
J
R19 33J
R50
EMP
TY
TP2
C10 10uF
(B)(
3216
)
R14 2.7k
J
D6 D
A
N
217U
3
2
1
C3 10uF
(321
6)
R47 2.7k
J
C6 0.1u
F
R20 EMP
TY
TP1
9
R30 4.7k
J
R76 33J
R29 330J
D11 D
A
N
217U
3
2
1
R1 33J
D5 D
A
N
217U
3
2
1
C19
6
0.1u
F
C26 33pF
C17
0.01
uF(B
)
R5 EMP
TY
R55 5.1J
D3 D
A
N
217U
3
2
1
D8 D
A
N
217U
3
2
1
C21 0.1u
F
R70 4.7k
J
C20
2
10uF
(321
6)
TP1
6
C5
0.01
uF(B
)
R49 75J
R56 EMP
TY
D9 RB7
15F
2
3
1
R6 2.7k
J
R63
EMP
TY
R75 EMP
TY
R36 0J
IC3
SN7
4L
VC
157
A(PW
)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
09
SEL
ECT
1A
1B
1Y
2A
2B
2Y
GND
VCC
ST
4A
4B
4Y
3A
3B
3Y
R12 EMP
TY
R39
0J
R31 4.7k
J
C23 0.1u
F
R52
EMP
TY
R33
0J
R72 0J
R17 5.1J
R35
0J
TP1
4
C13 10uF
(B)(
3216
)
R16 75J
R51
2.2k
F
TP5
R38 5.1J
R9 100J
TP1
2
R57
2.7k
J
D4 D
A
N
217U
3
2
1
C24 0.1u
F
R59
75J
R69 330J
Q1
DTC
143E
E
2
3
1
C22
EMP
TY
R18 100J
R48 2.7k
J
R58
2.7k
J
TP3
R43
EMP
TY
TP1
3
R41 2.7k
J
R64 330J
D10 RB7
15F
2
3
1
C9
0.01
uF(B
)
R32 4.7K
J
R26 330J
C7
0.01
uF(B
)
IC2
AD8
612
1
2
3
4
5
6
78
9
10
11
12
13
14
QA
QA
GND
LEA
V-
INA-
INA+
INB+
INB-
V+
LEB
GND
QB
QB
D14 UDZ
S5.6
B
IC4 SN7
4L
VC
86A
(PW
)
1
3
4
69
8
7
14
2
5
13
10
12
11
1A
1Y
2A
2Y
3A
3Y
GND
VCC
1B
2B
4B
3B
4A
4Y
R34
33J
C16 10uF
(B)(
3216
)
TP1
5
C19 33pF
C4 10uF
(B)(
3216
)
C20
0.1u
F
L1
MMZ
1608
D121
B
TP9
TP1
8
R4
100J
C11
0.01
uF(B
)
R15 2.7k
J
C12
0.01
uF(B
)
R45
33J
R73
EMP
TY
TP8
TP7
C2
0.01
uF(B
)
C25
0.1u
F
Q2 DTC
143E
E
2
3
1
D12 D
A
N
217U
3
2
1
R40 2.7k
J
IC5
BR2
4C21
1
2 3 4
5
6
7
8
NC NC
WP# GND
SD
A
SCL
K
VCL
K
VCC
C18 EMP
TY
R13 EMP
TY
D7 D
A
N
217U
3
2
1
R27 0J
L2
MMZ
1608
D121
B
C15
0.01
uF(B
)
R66 47kJ
R74 33J
R65 0J
CN1
KHE
Y
-15
S-1A
3F-1
4
6
1
7
2
8
3
9
4
10
5
11
12
13
14
15
R53
2.2k
F
R23 75J
[MP
U]
[SEL
]
H:IN
PUT
1 ( R
GB
)
L:IN
PUT2
( D
V
I An
alog
)
RGB
CO
NNE
CT
O
R
1.RE
D
2.GR
EEN
3.BL
UE
4.GN
D
5.RE
TUR
N
6.RE
D R
ETU
RN
7.GR
EEN RET
URN
8.BL
UE R
ETU
RN
9.NC
(VC
C)
10.G
ND
11.G
ND
12.S
D
A
13.H
SYN
C
14.V
SYN
C(VC
LK)
15.S
CLK
D13
UDZ
S
5.6B
1/8
CHAPTER 7. CIR
CUIT
DIA
G
RA
M
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