Sharp LC-26D44

Training course: D44
81
SEES Engineering Department
6. PWBs
PWB MAIN QPWBXE449WJN1 (Side A)
P4401
Q1501
C1121
P3081
C1122
D1103
C4008
D1104
C1128
FB1201
D1105
C1129
FB1202
D1106
D1107
R220
D1108
D1109
R222
R223
120
P3091
C1325
D1301
C1901
D1302
C1902
D1303
D1304
D1110
Q1901
D1111
D1305
Q1902
D1112
D1306
Q1903
Q1904
D1114
C1715
D1115
D1116
1
8
9
16
IC1301
D1501
D1502
R233
D1503
1
4
5
8
IC3051
1
5
11 15
SC1201
R239
C201
1
8
9
16
IC1501
D1702
1
3 4
6
IC1502
R240
C1729
15 P2301
D1705
1
9
P2302
C207
P2303
R1706
C4227
C1731
13
4
5
IC1701
1
4
5
8
IC1702
Q1922
C4420
Q1924
C211
R1711
1
5
IC4202
C4232
13
4
5
IC1901
IC1902
C4043
14
P2701
C1741
R3081
R1144
D1725
R1147
R1726
C4052
R1727
Q2305
C1751
L1031
13
4
6
IC4410
C4058
1
3
4
6
IC1725
C4059
1
5
IC1726
D1735
R1731
C4060
13
4
5
IC1921
Q4251
IC1922
C1953
C4063
Q2701
1
4
58
IC1735
Q2702
Q2703
C2707
D1745
P8101
R1741
R1742
FL1101
FL1102
FL1103
C2710
FL1104
a
FL1105
FL1106
R2303
C2713
FL1107
R2304
FL1108
1
4
5
8
IC1745
FL1109
C2716
R1751
D1755
R1752
D1756
116
17
32
33
48
49
64
IC2302
C257
R1753
IC2303
C258
FL1110
IC1941
D2701
1
5
IC1755
D202
1
3
4
5
IC1756
R1952
D2702
R1953
D2703
R2317
D2704
R1954
R1955
D2705
R1956
D2706
R1957
1
36
37
72
73 108
109
144
IC1951
C2731
1
12
13
24
25 36
37
48
IC2701
R1960
C271
1
4
5
8
IC201
R1971
1
8
9
16
IC203
1
3
46
IC206
R2723
116
17
32
33
48
49
64
IC207
D8101
115
P1001
14
58
IC8101
14
58
I
C
8102
1
64
65
128
129
192
193
256
IC8103
LUG3001
LUG3002
LUG3003
LUG3004
LUG3005
LUG3006
R8114
1
80 180
C1009 C1010
C1012
L8401
J1301
L8402
J1302
L8403
J1303
J1304
C1019
X3051
R8148
FB1104
FB1105
FB1106
FB1107
FB1108
14
58
IC1001
FB1109
D1201 D1202
D1203
C1034
D1204
Q1031
FB1301
D1205
FB1302
D1206
FB1303
D1207
FB1304
FB1110
D1208
D1209
FB1111
R1206
FB1112
R1208
FB1309
ABCDEFGH
1
4
5
8
IC1201
1
2
20
21
SC1101
1
2 20
21
SC1102
FB1503
FL8101
1
12 13
24
IC1401
FB4001
FB4002
FB4003
FB1701
FB1702
1 17
TU201
LUG1701
LUG1702
LUG1703
LUG1704
LUG1705
D1801
FB4201
D1802
FB4202
LUG1706
D1803
D1804
D1805
15
69
SC1501
FB4401
FB4402
FB4403
C2003
1
19
SC1901
L1701
X2301
C2019
1
34
3568
SC4401
C2020
FB1735
X1951
FB1745
1
19
SC1921
FB1941
FL1201
FL1202
FL1203
FB2310
FB4251
L1735
FL1401
FL1403
Q203
IC2602
L1745
L201
L207
1 8
4
5
Q8403
1
8
4
5
Q8405
Q8408
L2701L2702
L2703
FB8103
L2704
FB8105
L2705
1
8
4
5
Q8411
1
8
4
5
Q8412
L2706
18
45
Q8413
1
8
4
5
Q8414
C8422
D8401
1
8
916
17
24
25 32
IC8201
R8209
D8402
1
4
5
8
IC8202
D8403
D8404
D8405
D8406
D8407
D8408
D8409
1
52
53
104
105
156
157
208
IC3001
116
17
32
33
48
49
64
IC8402
1
15
16
30
IC8403
D8410
110
11
20
IC8404
1
9
P4002
1
12
P1701
R8225
RDA3001
14
P3071
Q1301
R206
Q1302
Q1303
J1401
C8452
C8453
CPU
DUNTKE449WE
VGL-6V
VGH35V
VCC1.5V
RESET
VLS15.6V
VCC3.3V
PE
PCON1
VH255
MVLS
VCOM
B+1.8V
QPWBXE449WJN1
B+3.3V
BL_ON
OFL1
BU1.8V
PS_ON B+5.5V
BU3.3V
BU_SCL3
BU_SDA3
AMP+13V
DINCK
RESET_N
3.3V
FE-BUS
FECLK
1.2V
2.5V
(QKITPE449WJN1)
16
1
8
9
16
LCD
CONTROLLER
NVM LCD
CONTROLER
GRADATION
IC
VCOM + NVM ADJ
LCD PSU
I2C TUNER
SELECTION
ATV/DTV
ATV/DTV
TUNER
VCTPro
ATV CPU
ATV NVM
SUB
MICRO
ATV I2C SOFTWARE
UPDATE CONNECTOR
TO SPEAKER
AUDIO
AMPLIFIER
HDMI
DECODER
EXT6
EXT7
EXT2EXT1
EXT4
TO EXT3
EXT4
SERVICE
RS232
TRANSCEIVER
C.I.