Sharp LL-T1810A, Руководство по обслуживанию

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CHAPTER 5. BLOCK DIAGRAM
CN1
DC
Jack
F1
FUSE
CN2
POWER PWB DUNTK0078UPZZ
MA
IN PWB
DUNTK0076UPZZ
POWER_CTL2
CN3
TP6
POWER_CTL1
12
V
TP1 TP3 TP5 TP4 TP2 TP8
5V 5V
5V
3.
3V
5V 11
V
+11V ADVCC
LVC
C
MV
CC
BVCC
ANVCC
IC15
PQ
20V
Z1
1
IC6
PQ
20V
Z1
1
IC4
TA78
L05F
IC7
LTC1147
IC5
LTC1147
ALM1
F1
FUSE
F2
FUSE
ALM2
BRT VR1 BRT VR2
CN1 CN2 CN3
CN1
IC37 AND
TC7SE
T0
8F
AL
ARM
BRT VR1 BRT VR2
BRIGHT CONTRAST (R,G,B)
IC28
D/A
Converter
M623
53
GP
DAC C
S
SCK SOUT
BL OFF
ME
NU
SELECT
+
-
INPUT
POW SW
SWP
W
B
RUNTK10
06MPZZ
IN
VERTER UNI
T
DUNTK53
72ACZZ
IN
VERTER UNI
T
DUNTK53
72ACZZ
Ba
ck-L
igh
t In
verter
Ba
ck-L
igh
t In
verter
SW1 Menu
SW2 Sele
ct
SW3
+
SW4
-
SW5 In
pu
t
SW6 Pow
er
D1
5V
VCC
CN1
USB-CN
4PIN
DA
TA
+
DA
TA
-
X1
4MHz
IC3
Cont
rol
ler
uPD72012
IC1
X6
2FP330
2
+3.3V
CTL[1,
2]
FLG[1,2]
IC2
uPD16857
CN2
USB-CN
8P
IN
DATA+[1,
2]
DATA-[1,
2]
OUT[1,2]
USB PWB CPWBN1010MP01
IC35
CLOCK
FS741ZBD
OSC1
50MHz
DSO
751SV
IC26
RE
SET
PST572DM
T
TFT-LCD
Panel
VC
C
CN4
L_
OSC1
GA
-CS
SCK
SOUT
RESE
T
CLKA CLKB
DEA DEB
RA7~0
GA
7~0
BA
7~0
RB7~0
8 8 8 8 8 8
GB
7~0
BB
7~0
OSC2
80MHz
DSO
751SV
X1
7.987MHz
SMD-49
POWER_
CTL1
P
O
W
E
R_CTL2
LED G LED R
IC34
µC
O
M
M38
027E
8FP
IC29
RESE
T
PS
T5
72DMT
AL
ARM
OSD CS
SCK
SOUT
OSD R OSD G
OSD B
OSD BK
OSD HS OSD VS OSD CK
S_
OSC2
IC31 OS
D
M35
072
IC33
Bu
ffer
TC74VHC
T125
GA CS1 GA CS2
SC
K
SOUT
8 8 8 8 8 8
IC27
Controller
IX0033UP
I23
A/D
Converter
AD94
83
SIN
DSYNC AD CLK R2O7~0 R1O7~0 G2
O7
~0
G1
O7
~0
B2
O7~0
B1
O7~0
SG
A10
~0
32 32 32 11
GDQ
31~0
BDQ
31~0
RDQ31~0
IC10
SG
RAM
MB8
1G1
6322
2-8
0
IC9
SG
RAM
MB8
1G1
6322
2-8
0
IC8
SG
RAM
MB8
1G1
6322
2-8
0
SG CLK
CK
E
WE
CS
RA
S
CA
S
DS
F
DQM
3~0
R G B
CLKH CLKL CLK/2H CLK/2L
IC25
PL
L
CXA3
106
AQ
I24
TA78
L05F
5V
IC401 Vi
deo
Amp
M
5
2
721SP
BR
IG
HT
CONTRAST(R)
IC402 Vi
deo
Amp
M
5
2
721SP
IC403 Vi
deo
Amp
M
5
2
721SP
BR
IG
HT
CONTRAST(B)
BR
IG
HT
CONTRAST(G)
IC14
Vid
eo
Switch
M52
758FP
RE
D
GREEN
BL
UE
VS
Y
PL
L CK
SCK SOUT
G.A HSY G.A VS
Y
HOLD
ROM CS ROM SCK ROM SOUT ROM SIN
IC30
E2
PROM
NM93C
56
IC22
RESE
T
PS
T5
72DMT
IC19
Se
lecto
r
TC74ACT
157
MPU HSY
MPU VSY
VD+ OUT
SG
SL
IC21
Bu
ffer
TC7S0
4F
VD
-
VD
+
IC17
Comp
arator
TL71
2
HD+ OUT
IC38
Mono multi
TC74HC221
IC503
Se
lecto
r
TC7WH157
HS
VS
MPU HPOL MPU VPOL
HVSL
0
HVSL
1
IC18 Sync
Se
para
to
r
M52
347FP
SO
G
VS
Y
HSY
HSYNC
HSYNC
IC500
Comp
arator
TL71
4CD
IC501
Comp
arator
TL71
4CD
SE
L
HS
YNC
CN5 CN6
VS
YNC
RED
GREEN
BL
UE
HS
YNC
VS
YNC
RED
GREEN
BL
UE
CP INA
D-s
ub PWB
RUNTK1004MPZZ
CN2 CN2
HS
YNC
VS
YNC
RED
GREEN
BL
UE
HS
YNC
VS
YNC
RED
GREEN
BL
UE
CN1 MINI
D-SU
B
15
P
CN1 MINI
D-SU
B
15
P
SCLK
SDA
SCLK
SDA
IC1
DDC1/2B
24
LCS21
A
IC1
DDC1/2B
24
LCS21
A
IC1
PQ
20V
Z1
1