DOWNLOAD Sharp LL-T2020 (serv.man10) Service Manual ↓ Size: 482.29 KB | Pages: 9 in PDF or view online for FREE

Model
LL-T2020 (serv.man10)
Pages
9
Size
482.29 KB
Type
PDF
Document
Service Manual
Brand
Device
Monitor / Circuit diagram
File
ll-t2020-sm10.pdf
Date
PREV: Sharp LL-T2020 (serv.man9) Service Manual

Sharp LL-T2020 (serv.man10) Service Manual ▷ View online

LL-T2020
CIRCUIT DIAGRAM
7 – 9
H : ON
L : OFF
Z : ON
H : ON
L : OFF
Z : OFF
0V:MAX
AV5
DV5
LCDV
DV5A
PV5
USB5
PWGND
DV25
D806
DAN202U
12
3
IC801
PQ1CY1032Z
1
2
3
4
5
VIN
VOUT
COM
OADJ
ON/OFF
Q808
DTC143EE
23
1
R810
47kJ
L805
CDRH73/10uH
R815
10kJ
+
C808
470uF/16V(UX)
C813
0.1uF
+
C818
150uF/25V(WT)
C819
0.1uF
Q802
DTC143EE
23
1
R809
3.3kF
F803
S1.0
IC802
PQ1CZ21H2ZP
1
2
3
4
5
VIN
VOUT
COM
OADJ
ON/OFF
LD805
FB803
BLM41PG600SN1
FB802
BLM41PG600SN1
+
C809
470uF/16V(UX)
CN801
B12B-PH-SM3-T
B
T
1
2
3
4
5
6
7
8
9
10
11
12
R808
47kJ
+
C807
2.2uF/35V(WT)
C816
0.1uF
LD815
Q803
DTC143EE
23
1
R804
1kF
+
C829
150uF/25V(WT)
C806
0.1uF
+
C831
2.2uF/35V(WT)
LD807
+
C822
47uF/16V(WT)
L807
CDRH73/10uH
+
C812
220uF/25V(WT)
D801
SFPB76
L802
CDRH73/10uH
C825
10uF
C814
0.1uF
+
C804
47uF/16V(WT)
L803
CDRH127/47uH
F804
S1.8
R805
EMPTY
Q807
HAT1025R
1
2
3
45
6
7
8
S
G
S
GD
D
D
D
R807
3.3kF
R803
3kF
F801
S1.8
C805
10uF
R814
47kJ
R811
47kJ
C811
2200pF(B)
LD804
R801
4.7kJ
D805
PTZ3.6B
C823
10uF
LD808
LD813
LD801
LD811
LD814
R812
7.87kF
IC803
PQ20WZ11
2
4
5
3
1
ON/OFF
OADJ
GND
VOUT
VIN
LD806
D807
PTZ13B
+
C820
100uF/16V(WT)
Q804
EMPTY(DTC143EE)
23
1
D803
PTZ6.8B
C827
0.1uF
CN803
B4B-PH-SM3-T
B
T
1
2
3
4
LD812
+
C815
470uF/16V(UX)
+
C824
100uF/16V(WT)
LD809
FB801
BLM41PG600SN1
R813
2.2kF
C810
0.1uF
CN802
B7B-PH-SM3-T
B
T
1
2
3
4
5
6
7
L804
CDRH127/220uH
L806
NLC322522T-220K
Q806
DTC143EE
23
1
+
C826
47uF/16V(WT)
C830
0.1uF
LD810
FB804
BLM41PG600SN1
+
C828
150uF/25V(WT)
F802
S0.7
Q805
DTC143EE
23
1
R802
4.7kJ
C821
10uF
C817
2200pF(B)
LD816
D802
UDZS5.6B
R806
0J
D804
SFPB76
LD803
POWER_CTL1
POWER_CTL2
POWER_CTL3
BL_EN
BRT_VR
POWER_CTL4
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
9/9
PO
WER
LL-T2020
CIRCUIT DIAGRAM
7 – 9
H : ON
L : OFF
Z : ON
H : ON
L : OFF
Z : OFF
0V:MAX
AV5
DV5
LCDV
DV5A
PV5
USB5
PWGND
DV25
D806
DAN202U
12
3
IC801
PQ1CY1032Z
1
2
3
4
5
VIN
VOUT
COM
OADJ
ON/OFF
Q808
DTC143EE
23
1
R810
47kJ
L805
CDRH73/10uH
R815
10kJ
+
C808
470uF/16V(UX)
C813
0.1uF
+
C818
150uF/25V(WT)
C819
0.1uF
Q802
DTC143EE
23
1
R809
3.3kF
F803
S1.0
IC802
PQ1CZ21H2ZP
1
2
3
4
5
VIN
VOUT
COM
OADJ
ON/OFF
LD805
FB803
BLM41PG600SN1
FB802
BLM41PG600SN1
+
C809
470uF/16V(UX)
CN801
B12B-PH-SM3-T
B
T
1
2
3
4
5
6
7
8
9
10
11
12
R808
47kJ
+
C807
2.2uF/35V(WT)
C816
0.1uF
LD815
Q803
DTC143EE
23
1
R804
1kF
+
C829
150uF/25V(WT)
C806
0.1uF
+
C831
2.2uF/35V(WT)
LD807
+
C822
47uF/16V(WT)
L807
CDRH73/10uH
+
C812
220uF/25V(WT)
D801
SFPB76
L802
CDRH73/10uH
C825
10uF
C814
0.1uF
+
C804
47uF/16V(WT)
L803
CDRH127/47uH
F804
S1.8
R805
EMPTY
Q807
HAT1025R
1
2
3
45
6
7
8
S
G
S
GD
D
D
D
R807
3.3kF
R803
3kF
F801
S1.8
C805
10uF
R814
47kJ
R811
47kJ
C811
2200pF(B)
LD804
R801
4.7kJ
D805
PTZ3.6B
C823
10uF
LD808
LD813
LD801
LD811
LD814
R812
7.87kF
IC803
PQ20WZ11
2
4
5
3
1
ON/OFF
OADJ
GND
VOUT
VIN
LD806
D807
PTZ13B
+
C820
100uF/16V(WT)
Q804
EMPTY(DTC143EE)
23
1
D803
PTZ6.8B
C827
0.1uF
CN803
B4B-PH-SM3-T
B
T
1
2
3
4
LD812
+
C815
470uF/16V(UX)
+
C824
100uF/16V(WT)
LD809
FB801
BLM41PG600SN1
R813
2.2kF
C810
0.1uF
CN802
B7B-PH-SM3-T
B
T
1
2
3
4
5
6
7
L804
CDRH127/220uH
L806
NLC322522T-220K
Q806
DTC143EE
23
1
+
C826
47uF/16V(WT)
C830
0.1uF
LD810
FB804
BLM41PG600SN1
+
C828
150uF/25V(WT)
F802
S0.7
Q805
DTC143EE
23
1
R802
4.7kJ
C821
10uF
C817
2200pF(B)
LD816
D802
UDZS5.6B
R806
0J
D804
SFPB76
LD803
POWER_CTL1
POWER_CTL2
POWER_CTL3
BL_EN
BRT_VR
POWER_CTL4
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
9/9
PO
WER
LL-T2020
CIRCUIT DIAGRAM
7 – 9
H : ON
L : OFF
Z : ON
H : ON
L : OFF
Z : OFF
0V:MAX
AV5
DV5
LCDV
DV5A
PV5
USB5
PWGND
DV25
D806
DAN202U
12
3
IC801
PQ1CY1032Z
1
2
3
4
5
VIN
VOUT
COM
OADJ
ON/OFF
Q808
DTC143EE
23
1
R810
47kJ
L805
CDRH73/10uH
R815
10kJ
+
C808
470uF/16V(UX)
C813
0.1uF
+
C818
150uF/25V(WT)
C819
0.1uF
Q802
DTC143EE
23
1
R809
3.3kF
F803
S1.0
IC802
PQ1CZ21H2ZP
1
2
3
4
5
VIN
VOUT
COM
OADJ
ON/OFF
LD805
FB803
BLM41PG600SN1
FB802
BLM41PG600SN1
+
C809
470uF/16V(UX)
CN801
B12B-PH-SM3-T
B
T
1
2
3
4
5
6
7
8
9
10
11
12
R808
47kJ
+
C807
2.2uF/35V(WT)
C816
0.1uF
LD815
Q803
DTC143EE
23
1
R804
1kF
+
C829
150uF/25V(WT)
C806
0.1uF
+
C831
2.2uF/35V(WT)
LD807
+
C822
47uF/16V(WT)
L807
CDRH73/10uH
+
C812
220uF/25V(WT)
D801
SFPB76
L802
CDRH73/10uH
C825
10uF
C814
0.1uF
+
C804
47uF/16V(WT)
L803
CDRH127/47uH
F804
S1.8
R805
EMPTY
Q807
HAT1025R
1
2
3
45
6
7
8
S
G
S
GD
D
D
D
R807
3.3kF
R803
3kF
F801
S1.8
C805
10uF
R814
47kJ
R811
47kJ
C811
2200pF(B)
LD804
R801
4.7kJ
D805
PTZ3.6B
C823
10uF
LD808
LD813
LD801
LD811
LD814
R812
7.87kF
IC803
PQ20WZ11
2
4
5
3
1
ON/OFF
OADJ
GND
VOUT
VIN
LD806
D807
PTZ13B
+
C820
100uF/16V(WT)
Q804
EMPTY(DTC143EE)
23
1
D803
PTZ6.8B
C827
0.1uF
CN803
B4B-PH-SM3-T
B
T
1
2
3
4
LD812
+
C815
470uF/16V(UX)
+
C824
100uF/16V(WT)
LD809
FB801
BLM41PG600SN1
R813
2.2kF
C810
0.1uF
CN802
B7B-PH-SM3-T
B
T
1
2
3
4
5
6
7
L804
CDRH127/220uH
L806
NLC322522T-220K
Q806
DTC143EE
23
1
+
C826
47uF/16V(WT)
C830
0.1uF
LD810
FB804
BLM41PG600SN1
+
C828
150uF/25V(WT)
F802
S0.7
Q805
DTC143EE
23
1
R802
4.7kJ
C821
10uF
C817
2200pF(B)
LD816
D802
UDZS5.6B
R806
0J
D804
SFPB76
LD803
POWER_CTL1
POWER_CTL2
POWER_CTL3
BL_EN
BRT_VR
POWER_CTL4
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
9/9
PO
WER
LL-T2020
CIRCUIT DIAGRAM
7 – 9
H : ON
L : OFF
Z : ON
H : ON
L : OFF
Z : OFF
0V:MAX
AV5
DV5
LCDV
DV5A
PV5
USB5
PWGND
DV25
D806
DAN202U
12
3
IC801
PQ1CY1032Z
1
2
3
4
5
VIN
VOUT
COM
OADJ
ON/OFF
Q808
DTC143EE
23
1
R810
47kJ
L805
CDRH73/10uH
R815
10kJ
+
C808
470uF/16V(UX)
C813
0.1uF
+
C818
150uF/25V(WT)
C819
0.1uF
Q802
DTC143EE
23
1
R809
3.3kF
F803
S1.0
IC802
PQ1CZ21H2ZP
1
2
3
4
5
VIN
VOUT
COM
OADJ
ON/OFF
LD805
FB803
BLM41PG600SN1
FB802
BLM41PG600SN1
+
C809
470uF/16V(UX)
CN801
B12B-PH-SM3-T
B
T
1
2
3
4
5
6
7
8
9
10
11
12
R808
47kJ
+
C807
2.2uF/35V(WT)
C816
0.1uF
LD815
Q803
DTC143EE
23
1
R804
1kF
+
C829
150uF/25V(WT)
C806
0.1uF
+
C831
2.2uF/35V(WT)
LD807
+
C822
47uF/16V(WT)
L807
CDRH73/10uH
+
C812
220uF/25V(WT)
D801
SFPB76
L802
CDRH73/10uH
C825
10uF
C814
0.1uF
+
C804
47uF/16V(WT)
L803
CDRH127/47uH
F804
S1.8
R805
EMPTY
Q807
HAT1025R
1
2
3
45
6
7
8
S
G
S
GD
D
D
D
R807
3.3kF
R803
3kF
F801
S1.8
C805
10uF
R814
47kJ
R811
47kJ
C811
2200pF(B)
LD804
R801
4.7kJ
D805
PTZ3.6B
C823
10uF
LD808
LD813
LD801
LD811
LD814
R812
7.87kF
IC803
PQ20WZ11
2
4
5
3
1
ON/OFF
OADJ
GND
VOUT
VIN
LD806
D807
PTZ13B
+
C820
100uF/16V(WT)
Q804
EMPTY(DTC143EE)
23
1
D803
PTZ6.8B
C827
0.1uF
CN803
B4B-PH-SM3-T
B
T
1
2
3
4
LD812
+
C815
470uF/16V(UX)
+
C824
100uF/16V(WT)
LD809
FB801
BLM41PG600SN1
R813
2.2kF
C810
0.1uF
CN802
B7B-PH-SM3-T
B
T
1
2
3
4
5
6
7
L804
CDRH127/220uH
L806
NLC322522T-220K
Q806
DTC143EE
23
1
+
C826
47uF/16V(WT)
C830
0.1uF
LD810
FB804
BLM41PG600SN1
+
C828
150uF/25V(WT)
F802
S0.7
Q805
DTC143EE
23
1
R802
4.7kJ
C821
10uF
C817
2200pF(B)
LD816
D802
UDZS5.6B
R806
0J
D804
SFPB76
LD803
POWER_CTL1
POWER_CTL2
POWER_CTL3
BL_EN
BRT_VR
POWER_CTL4
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
9/9
PO
WER
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