Sharp LL-T15A4 Service Manual ▷ View online
LL-T15A4
CIRCUIT DIAGRAM
6 – 4
ASSY':3150-0202-0156
FILE:LL-T15D0.PCB
P/N:0170-1740-0680
DISPLAY BOARD
A
B
C
D
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LL-T15A4
CIRCUIT DIAGRAM
6 – 5
Vhigh(L
amp2)
Vlow(La
mp2)
T
0
-220F
TO
-9
2
1/
8W
12.5*
2
0
1W
S
10*1
6
DO4
1
1/
8W
10R
(1
/4
W)
DR 8
*1
0
0.43
E
F
D25
Fosc=5
0KHz
470U/25V(KY)
5*1
1
1/
8W
10*1
6
TO
-9
2
1/
8W
1/
8W
1/
4W
DR 8
*1
0
1/
8W
13.
7
K
R5
7
2
4
.9K
100
K
1K
Primary GND
Secondary GND
Y3
100U/
400V
(K
MG)
1M
1
6
*35
U
U
15.7
10N 471
0R(0805):R68,R71,R69,R72,R64,R65,R67,R83,R80,
R91,R92
0R(1206):R66,R67,R70,R79,R81,R8
4,R68
Jumper:J9,J10,J11,J12,J13,J14,J15,J16,J17,J18,J19
,J20,J21
J22,J23,J25,J26,J27,J28
Vlow(Lam
p
1
)
Vhigh(La
mp1)
EN_ON
BRIGHTNESS
GND
+12V/2.0A
GND
+5V/1.8A
BRIGH
TN
ESS
E
N_ON
+5V
RT
+5V
RT
CP
CP
CP
B+
B+
B+
TP
TP
TP
TP
TP
TP
CP
CP
CP
P
in2
B+
TP
TP
L1
2
1
34
Q9
TPC8401
1
2
3
4
8
7
6
5
CN3
SM02B-BHSS-1-TB(JST)
2
1
U4
P
C
-621
1
2
3
4
R42
R26
10K
R55
1
/4W
470
C45
4.7u/10V(X5R)1206
D13
EG
P1
0
M
2
1
C8 10n
C5 0.47U
R49
1K(1/
8
W
)
R52
1/4
W 1
0
0
R54
1/4W 5.6K
C52
470n
R31
374R/1%
C46
4.7u/10V(X5R/1206)
C32
15n(5%)
D19
P6KE160A
2
1
ZD7
1/
2W
6B
2
21
R30 560R(1206)
R25
10K
R73
1/
8W
R50
1/4
W1
0
0
D18
P6KE160A
2
1
R48
10
0
K
ZD1
5.6v
F1
3A/DIP(R25103)
C35
0.1uf
Q4
MMBT3
9
0
4
1
2
3
Q18 3906
Y1
NC
R5
6
L4
12
Q16
RK7002
2
3
1
C41
2n2/500V
T3
11
0
2
3 4
5
7
9
8
6
C3 10n
T1
25:2400
5,6
7
1,2,3,4
10
R93 NC
R74
1/
8W
C11
OPEN
R72
10K(0805)
ZD3
5.6v
D2
LL41
4
8
2
1
Q2
DTA114EKA
D1
LL414
8
2
1
R1
910R/1206
R97
10K/0805
C47
100n(0805)
C28
4.7U,X5R,10V(1206)
R13
80.6K,1%
ZD4
5.6v
R76
1/
2W
1k
U5
T
L431
3
1
2
+
C38
1000uF/25V(KY)
C37
2n2/500V
D7
9.1V
3
1
+
C33
C16
0.047U
C6
1.0U/25V/1206
R8 1M
C10
C/NC
C31
15nF(5%)
C12 0.22U
R16
10K
R27
1M
Q10
TPC8401
1
2
3
4
8
7
6
5
R94 0/0805
F2
FUSE- 2
A/
250V
12
Q5
2N7002
2
3
1
+
C14 220u/25V/KY
R53
1/4
W 1
0
0
C23
0.1U
R10
107K/F
Q17
MMBT
3904
1
2
3
R3
22(1206)
C36
2n2/500V
C15
4.7U,
X5
R
,
10V
R77
220R
/3
W
R4
10K
D16
20A100V
1 32
R35
374R/1%
FB4
1
2
D5
LL414
8
21
D14
RGP1
0
D
2
1
R51
1/4
W1
0
0
R20
0R
FB3
1
2
R21
0R
RT1
2
A
4
R
(P=5mm)
R23 0R
R24 0R
C26
22nF
C19
3.3nF(5%)
R12
1M(0805)
R89
220R
/3
W
R96 0805
C20
XXXX
ZD6
1/2W 1
6
-2
21
Q14
2S
C
1815
T2
25:2400
5,6
7
1,2,3,4
10
R5
9
13
.3
K
D17
10A/40V
1
32
R17
18K
CN4
SM02B-BHSS-1-TB(JST)
2
1
CN1
1 2 3
D6
DAN217
1
3
2
R87
xxxx
D15
1
N
4148
2
1
R38
1
/4W
750K
D3
LL414
8
21
C51
2n2/500V
L6
12
C25
10P,3KV
D9
DAN217
1
3
2
C17
220P
Q12
2
S
K
2628
1
2
3
R78
220R
/3
W
U6 TL431
3
1
2
BD1
2K
B
P06M
2
1
3
4
R57
1/
8W
R95 10K/0805
R43
R18
47K
R9 1M
R15
51K
U2
SG6841
1
2
3
45
6
7
8
GND
FB
VIN
RI
RT
SENSE
VDD
GATE
C13 0.22U
D8 DAN217
1
3
2
+
C40
470U/25V(KY)
R19
34.8K/F
CN2
INV TO M/B CON
1
2
3
4
5
6
C7
0.1U
C27
3n3
C30 12P,3KV
R39
1
/4W
750K
U3
P
C
-621
1
2
3
4
+
C1
220U/25V(DIP)/KY
R34
560R
C21 0.1U
Q15
2SA673
R2 560R/1206
C53 2n2/1KV
R36
1/
2W
R47
1
/8W
100K
R75
1/
2W
+
C42
470uF/25V(KY)
Q3
DTC114EKA
1
2
3
R7
10k
+
C43
10*
1
6
R90
1/
4W
R41
33
K
D4
LL414
8
21
R40
C4
680n
R86
15K 1%
Q13
2SA1015
R6
1
1
/8W
100
F3
FUSE- 2
A/
250V
12
R44
10R
VZ11
2
C22
0.047U
332P
Q7
2N7002
2
3
1
R22
69.8K/F
R85 15K
Q1
MMBT3
9
0
4
1
2
3
R5
8
1/
8W
5.
6K
+
C34
10uF
/50V
(K
ME
)
R11
110K/F
R6
0
1
/8W
330
ZD5
26V
2
1
R45
1/
8W
10K
R46
1/
8W
1K
OZ960
U1
OZ960G/SSOP20
1
2
3
4
5
6
18
17
16
15
14
13
8
7
19
9
10
12
11
20
CTIMR
OVP
ENA
SST
VDDA
GNDA
CT
RT
PWRGND
LCT
DIM
LPWM
RT1
REF
PDRV_A
FB
CMP
PDRV_C
NDRV_D
NDRV_B
C9
1500P(NPO)
D11
DAN217
1
3
2
Q6
2N7002
2
3
1
Y2
NC
C18
3.3nF
C4
4
103P
Q8
TPC8401
1
2
3
4
8
7
6
5
R14
NC
Q11
TPC8401
1
2
3
4
8
7
6
5
X1
0
.33uF
OP1
OP2
N_D
N_D
P_A
FB1
N_B
P_C
OP1
P_A
OVP
N_B
P_C
OVP
OP2
FB1
A
B
C
D
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D
C
B
A
A
B
C
D
876
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1
2
3
4
5
6
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D
C
B
A
A
B
C
D
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1/1
PO
WER / INVER
TER
LL-T15A4
PWB LAYOUT
6 – 1
CHAPTER 7.
PWB LAYOUT
1
. MAIN PW
B
A si
d
e
LL-T15A4
PWB LAYOUT
6 – 2
B side
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