Read Sharp LL-T2020 (serv.man9) Service Manual online
LL-T2020
BLOCK DIAGRAM
6 – 1
P
o
wer
Unit
Scaling C
h
ip
iLS-L0
0
1
IC502
LV
D
S
Transm
itter
IC701
CT
L
EEP
R
O
M
IC605
AD
C
A
D9888-170
IC402
DVI
-
I
CN201
T
MDS
S
II
161B
IC202
MPU
IC602
R
GB1
RX
D
TX
D
SDA
SCL
SDA
SCL
HS
1
SDA/SCL
SDA/SCL
Inverto
r
Unit
12V
B
RT_VR
IHS/IV
S
AS
IC
AUTO
&
A
G
C
IC404
HI
N
1
DVI
-
I
CN101
T
MDS
S
II
161B
IC102
HI
N
2
VIN
2
VIN
1
Compar
ator
IC301
Buffer
IC302
VS
1
SDA
SCL
Swit
c
h
IC101
HS
2
VS
2
A
/D
-DDC
IC103
SDA
SCL
Reset
IC603
X601
DA
C
IC604
LCDV
SW P
W
B
Power/Inpu
t/Menu/Selct/
/
/LE
D
KE
Y
Re
g
ulator
PQ1C
Z21H2Z
IC802
2
.5V
5V
3
.3V
V33
PV5
POWER_CTL
Log
ic
IC504
VS
CN701
CN601
CN802
CN801
SW101
I
IHS
IVS
X501
1
0
MHz
PD
O
1
S
D
ET1
PD1
IHS/IV
S
ID[0..4
7
]
PD
O
2
S
D
ET2
PD2
ID[0..4
7
]
IACT
ID[0..4
7
]
IHS/IV
S
IC
K(B)
IC
K(B)
COMSYN
IC
K(B)
C
lock
G
e
nerator
IC501
DEN
DCLK
OD[0..47]
LCD Pan
e
l
Lamp
Lamp
D
V25
AV
5
DV
5
D
V
5
A
PV33/A
V33/DV33/
O
V
33/AD33
LV33
3
.3V
Regul
ator LM317
IC601
3
.3V
12V
BL_EN
RX
USB PW
B
IC3
u
P
D72012
X1
4MH
z
CN1
USB-
C
N
4PIN
CN2
USB-
C
N
8PIN
IC2
u
P
D16857
IC1
X
6
2
FP3302
D
A
TA+
D
A
TA-
DATA+[1,2
]
DATA-[1,2
]
OUT[1
,
2
]
CTL[1,2
]
FLG[1,
2
]
3
.3V
5V
H
R
EF1
H
R
EF2
RX
R
GB2
Regul
ator LM317
IC403
Regul
ator LM317
IC104/203/401
MAIN P
W
B
A
/
D
-DDC
IC201
DATAX
STROBE_X
SCLK_X
XCLDWN
R
e
g
ulator
P
Q
1CY1032Z
IC801
R
e
g
ulator
P
Q
20WZ11
IC803
12V
12V
CN803
5V
ACT
CHAPTER
6. B
L
OCK DIAGRAM
Display
