Sharp LC-26D44

Training course: D44
78
SEES Engineering Department
6. Electrical Diagrams (continued)
26” POWER / INVERTER 2/2 Schematic Diagram
C7500
105P/50V
C7501
105P/50V
R7508
470K
R7509
470K
C7502
103P
R7513
511KF
R7512
511KF
R7515
143KF
R7543
165KF
C7503
103P
R7514
511KF
5V
IC12V
BRT DIM
5V
C7527
220P
C7515
153P
C7505
105P
C7504
103P
R7549
90.9KF
R7524
499K
C7507
104P
C7510
474P
C7508
104P
C7509
104P
C7511
474P
SST
C7514
105P
J7505
R7552
1.5MF
OVP
PDRV_A
NDRV_B
PDRV_C
NDRV_D
OVP
2
ENA
3
SST
4
VDDA
5
GNDA
6
LCT
15
REF
7
CTMR
1
RT1
8
PGND
16
FB
9
CMP
10
NDR_D
11
PDR_C
12
LPWM
13
DIM
14
RT
17
CT
18
PDR_A
19
NDR_B
20
IC7500
OZ964
J7503
J7504
R7551
3.3MF
C7528
5P
D7500
4148
R7519
NC
J7506
C7529
8.2P
R7517
100KF
FB-1
R7518
1MF
R7503
0
R7516
22
C7524
182P
C7522
472P
J7500
C7525
820P
DIM
FB
EC
B
Q7500
4403
R7523
300K
J7501
C7526
680P
J7502
B
CE
Q7502
4401
12V
Q7501
2402
IC12V
R7536
56
VCC
R7535
56
VCC
PDRV_A
D7505
4148
D7502
4148
NDRV_B
NDRV_D
R7534
56
D7501
4148
R7504
0
R7537
56
D7503
4148
R7505
0
C7516
823P
R7525
10K
C7517
823P
R7526
10K
P_C
N_D
N_B
P_A
B
CE
MOS7500
AP9575
G
DS
MOS7502
AP9971
B
CE
MOS7501
AP9575
G
DS
MOS7503
AP9971
C7531
225P/50V
C7532
225P/50V
C7533
225P/50V
C7534
225P/50V
C7535
225P/50V
C-1
M-1
+
CP7502
X
+
CP7503
470U/50V
VCC
+
CP7501
470U/50V
+
CP7504
470U/50V
+
CP7500
470U/50V
F7500
T 4A L 250V
R7500
0
VREF
N_D
N_B
P_C
P_A
VREF
D7512
4148
R7548
5.1K
LCT
R7510
10KF
C7539
470P
CY7500
10P/3KV
1
2
3
D7523
BAV70
C7541
470P
CY7501
10P/3KV
OVP
2
75
4
8
1
3
6
T7500
00A-7027
2
75
4
8
1
3
6
T7502
00A-7025
R7588
100KF
R7589
100KF
R7572
27K
T0-1&T0-4
C7538
470P
R7603
15K
T0-1&T0-4
C7540
470P
R7604
15K
C7543
470P
CY7502
10P/3KV
1
2
3
D7524
BAV70
C7545
470P
CY7503
10P/3KV
OVP
R7590
100KF
R7591
100KF
R7573
27K
T2-1&T2-4
C7542
470P
R7605
15K
T2-1&T2-4
C7544
470P
R7606
15K
T4-
C7547
470P
CY7504
10P/3KV
1
2
3
D7525
BAV70
C7549
470P
CY7505
10P/3KV
OVP
2
75
4
8
1
3
6
T7503
00A-7025
2
75
4
8
1
3
6
T7501
00A-7027
2
75
4
8
1
3
6
T7504
00A-7025
R7592
100KF
R7593
100KF
R7574
27K
T3-1&T3-4
C7546
470P
R7607
15K
T3-1&T3-4
C7548
470P
R7608
15K
C7551
470P
CY7506
10P/3KV
1
2
3
D7526
BAV70
C7553
470P
CY7507
10P/3KV
OVP
R7594
100KF
R7595
100KF
R7575
27K
T1-1&T1-4
C7550
470P
R7609
15K
C7552
470P
R7610
15K
C7555
470P
CY7508
10P/3KV
1
2
3
D7527
BAV70
C7557
470P
CY7509
10P/3KV
OVP
R7596
100KF
R7597
100KF
T4-1&T4-4
C7554
470P
R7611
15K
T4-1&T4-4
C7556
470P
R7612
15K
T1-1&T1-4
C-1 C-1
M-1 M-1
R7576
27K
K
A
R
D7531
BAV99
FB-1
R7562
43KF
J7509
R7561
56KF
J7510
R7580
X
R7584
30KF
R7583
15KF
J7513
J7508
R7563
75KF
J7507
R7560
150KF
J7512
R7582
8.2KF
J7511
R7565
6.2KF
5V
LAMP+
R7564
10KF
R7581
750F
FB
K
A
R
D7532
BAV99
K
A
R
D7533
BAV99
K
A
R
D7534
BAV99
R7636
1MF
R7637
75KF
C7568
103P
R7559
100KF
R7558
100KF
C7564
104P
5V
K
A
R
D7530
BAV99
J7514
2
3
1
84
IC7502A
LM258
6
5
7
IC7502B
LM258
IC12V
R7579
2KF
C7566
104P
AK
ZD7506
7.5B
C-1
M-1
R7506
0
RT
CT
T3+
AK
ZD7501
5.6B
AK
ZD7500
5.6B
RT1
D7518
4148
R7598
10K
C7558
472P
R7567
10K
OS1
D7519
4148
R7599
10K
C7559
472P
R7568
10K
OS1
D7520
4148
R7600
10K
C7560
472P
R7569
10K
OS1
D7521
4148
R7601
10K
C7561
472P
R7570
10K
OS1
D7522
4148
R7602
10K
C7562
472P
R7571
10K
OS1
D7510
4148
R7620
X
R7546
100K
C7567
X
B
CE
Q7512
BSS138
OS1
IC12V
FAIL
ZD7505
7.5B
D7511
4148
FAIL
B
CE
Q7511
2N7002
R7547
100K
FB-1
R7531
10K
5V
R7511
150KF
C7523
472P
C7518
103P/50V
D7506
4148
D7507
4148
D7509
4148
D7508
4148
LAMP-
R7586
1.5M
R7585
499K
R7566
12.1K
R7628
1MF
C7520
104P
C7530
NC
FBK
FBK
G
DS
Q7514
2N7002
R7630
200K
R7502
0
C7512
X
K
A
R
D7528
X
K
A
R
D7529
X
C7536
X
C7513
X
R7520
X
R7522
X
R7521
X
VCC
R7538
30K
B
CE
Q7503
4401
C7506
105P
R7539
3.3K
R7541
27.4K
AC
R
U7500
TL431
5V
IC12V
C7519
104P
R7540
28K
C7521
475P
L7500
X
C7565
104P
R7550
X
T0-1&T0-4
T1-1&T1-4
T2-1&T2-4
T3-1&T3-4
T4-1&T4-4
T4+
T4-
T4+
T4-
R7544
100K
Q7506
1409
REG2
LCT
R7555
100KF
R7556
100KF
R7554
100KF
B
CE
Q7504
4401
R7553
24K
5V
OFL1
D7504
4148
FB
R7542
1.2M
Q7507
1409
R7545
100K
5V
REG
RT
Q7510
4403
AK
ZD7503
16B
R7530
30K
R7529
10K
C7537
102P
ENA
VCC
AK
ZD7502
16B
R7587
NTC10K
AK
ZD7504
10B
R7527
10K
R7528
680
B
CE
Q7508
4401
ENA
R7632
10K
G
DS
Q7515
2N7002
R7638
20K
R7634
10K
D7513
4148
5V
CT
OSC
R7635
470K
G
DS
Q7517
2N7002
R7641
100K
5V
RT1
R7639
15K
G
DS
Q7516
2N7002
R7640
100K
5V
IC12V
R7633
10K
B
CE
Q7509
4401
R7631
X
2
3
1
84
IC7501A
LM258
IC12V
R7622
2.4M
R7621
1.2M
6
5
7
IC7501B
LM258
SGND
ENA
ERR
1
1
CN7503
1
1
CN7504
1
1
CN7505
1
1
CN7506
1
1
CN7507
1
1
CN7508
1
1
CN7509
1
1
CN7510
1
1
CN7511
1
1
CN7512
38V
R7501
0
T3+
R7629
0
LAMP+
LAMP-
+
-
+
-
+
-
+
-
+
-
R7627
68KF
R7557
100KF
R7578
16.9KF
R7613
12KF
R7615
X
R7614
47.5KF
FB-1
5V
ADIM
C7563
104P
R7507
1K
STB
R7577
X
R7617
100F
C7569
105P
R7618
133K
R7619
665K
AC
R
U7501
TL431
R7616
1M
5V
G
DS
Q7505
2N7002
PDRV_C
B
CE
Q7521
4401
EC
B
Q7524
4403
R7649
1K
R7647
1K
B
CE
Q7519
2N7002
R7533
X
5V
IC12V
R7648
0
R7646
0
B
CE
Q7520
4401
EC
B
Q7522
4403
R7645
1K
R7643
1K
B
CE
Q7518
2N7002
R7532
X
5V
IC12V
R7644
0
R7642
0
C7572
X
C7574
103P
C7571
X
C7573
103P
C7575
105P
C7578
X
C7576
X
C7577
105P
OPEN LAMP
DETECTOR
SERVICE NOTE/NOTA DE SERVICIO:
- FOR DISABLING PROTECTIONS AND BE ABLE
TO REPAIR INVERTER, GROUND IC7500 PIN Nº1
- PARA DESACTIVAR PROTECCIONES Y REPARAR
EL INVERTER PONER A MASA PIN Nº1 DEL IC7500
SHORT LAMP
DETECTION