Read Sharp LL-T1815 (serv.man7) Service Manual online
PC-UM10M
LL-T1815-H/B BLOCK DIAGRAM
6 – 1
IC
8
gm5020
(S
C
ALER)
IC
1
B
A7657F
(ANA
LO
G
S
W
)
CN1 MINI D-SUB 15P
CN
2
ANALOG
INPUT(DVI)
CN
2
D
IGITAL
INPUT
DVI)
LCD
pan
e
l
IC16
P
89C51RD2
(
COM)
/I
R
Q
HFS
H
CLK
X1
XT
AL
24M
H
z
IC10
H
Y
5
7V161610
(SDRAM)
IC5 B
R24C21
RGB
RGB
SD
A
SCL
SD
A
SCL
SE
L
IC
2
AD8612
IC
3
7
4
LVC157A
IN2
H
V
H2
H1
V
V
SE
L
RGB
H/V
RXC(+/-)
RX2(+/-)
RX1(+/-)
RX0(+/-)
IC11
H
Y
5
7V161610
(SDRAM)
IC12
H
Y
5
7V161610
(SDRAM)
F
S
A
D
D
R(0-12)
FSDATA
(0
-
4
7
)
FSC
L
K
F
S
CKE
F
S
RAS
F
S
CAS
FSWE
F
S
DQM0
F
S
DQM1
F
S
DQM2
F
S
DQM3
R
A
(7-0)
G
A
(7-0)
B
A
(7-0)
R
B
(7-0)
G
B
(7-0)
B
B
(7-0)
D
DC_SDA
D
DC_SCL
G
P
IO(0-7)
HDATAF(
0-3)
D
CLK
DEN
IC13
BR24C
1
6
(ROM)
IC15
M62334FP
(DA CON)
SCL
SD
A
BLTV
R
/BKLT
_E
N
IC26
P
Q
1CZ21H2Z
(3.3V)
IC25
P
Q
1CZ21H2Z
(5V)
IC27
P
Q
1CZ21H2Z
(2.5V)
Power supply unit
DVCC
AVCC
D
V33
D
V25
V12
BLTV
R
ON/
O
F
F
X3
XT
AL
24M
H
z
IC17
PST598
RESET
I
C
TRA
R
E
SET
MENU
+
−
SELECT
IN
PUT
P
W
_IN
IN1
IC
7
B
U9882F
IC
4
7
4
LVC86A
H
H1
CN
8
BACK
-
L
IG
H
T
IN
VERTER
CON1
A
C
Inlet
F1
FU
S
E
F2
FU
S
E
CON2
/
B
K
L
T_EN
BLTV
R
H
H
V
POL
CN
7
IC23
T
H
C
63LVD823
LVDS
RAIN(0-4
)+
/
-
R
A
C
L
KIN+/-
RBIN(0-4
)+
/
-
R
B
C
L
KIN+/-
H2
IC6 74LV4
053A
SD
A
SCL
TX
D
RXD
IC24
PQ20WZ11
L
C
D12V)
IC
9
B
A
33C25FP
A
V33
PV
3
3
A
V25
F1
FU
S
E
LCD12V
SW
1
E
A
/VPP
CN
6
F3
FU
S
E
F4
FU
S
E
F5
FU
S
E
IC19
39SF040
F
LASH MEMORY
IC
1
4
P
C
A
9557
X
M
A
IN
_OUT
IC
2
0
V
HC595
CN
5
SW
2
SELECT
SW
3
+
SW
4
-
SW
6
POWER
SW
1
MENU
CN
1
SW P
W
B
SW
5
IN
PUT
D1
AUDIO UN
IT
CN
3
ADO_VR
STANDBY
MUTE
ADO_12V
IC28
LM317EMP
(5V)
M
VCC
CH
APTER
6. BLOCK DIA
G
R
A
M
Display
