Sharp LC-26GA5E Service Manual page 55

LC-32GA5E LCD Control Unit Diagram 6/7
LC-32GA5E
LCD_CONT UNIT 6/7
DUNTKC919DE02
I
(PWBXC919WJ)
TO POWER
+15VPANEL
VLS+15V
H
TO PANEL
A3COMACSCOM
A3OOMAVCOM
G
VH0
VH0
VH1
VH1
VH20
VH20
VH47
VH47
VH63
VH63
VH95
VH95
VH127
VH127
VH191
VH191
VH255
VL0
VL0
VL1
VL1
F
VL20
VL20
VL47
VL47
VL63
VL63
VL95
VL95
VL127
VL127
VL191
VL191
VL255
VL255
R4102
12K
R4103
4.7K
E
OP AMP
IC4102
TO LCDCONT
NJM4580V
OEM_INV
OEM
D
C4109
68P
CH
R4113
33
R4112
15K F
C4103
0.1u Z
25V
R4261
100
AMP 1/4W TW
Q4101
15.5
C
2SD1664Q
6.4
6.4
C4106
4.7u
16V
KZ0070TA
TO MICOM R4178
0
COM_BIAS
PANEL_POW
C4108
GRAY_LEVEL
4.7u R4115
16V 0
VLS_BIAS
KZ0070TA
R4263
VLS+15V
33
VH255
6.4
B
AMP
6.4
Q4112
2SB1132Q 0
R4264
100
R4101
1/4W
1K F
TW
A
1 2 3
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(GRAYLEVEL)
C4114 *R4286
1u 10 CJ *R4132
*R4136
91K F
16V 39K
KZA097WJ
3 4
1 2 1 2
F *R4281 *R4133 *R4280
3 4
10 33K F
5 6
*C4125
*C4121 *R4134
7 8 0.1u
F 0.1u Z 220 F
25V 25V
*R4282
10 CH
2
C4101 4
0.1u Z
6
25V
8
15.5 15.1 15.1 0
8 7 6 5
*R4179 *R4118 *R4205 2 4 6 8
51K F 16K F 82 F *C4127
V+ OUT2 -IN2 +IN2
1u
16V
A097WJ
1 3 5 7
*R4114 *R4119 *R4203
62K F 4.7K F 120F
OUT1 -IN1 +IN1 V-
1 2 3 4
*R4275
6.4 5.1 5.1 0 5.6K F
R4123 R4204
3.3K F 6.8K F
R4125
C4112
R4124 3.3K F
0.1u Z
R4120
3.9K F
10K 25V
R4126
6.8K F
R4121
R4122
3.3K F 6.8K F
R4135
10K F
C4192
1500P
R4262
10K
R4273 R4270
C4115
51K 100K
1u
R4130
16V
10
KZA097WJ CH
15.5 1.3 1.3 15.0
8 7 6 5
7 8 2 1
C4197 ERROR
IN FB VTAP
0.1u 5 6 4 3
VOLTAGE REGULATORS
25V
IC4107
Z 3 4 6 5
LP2951CM
1 2 8 7
R4272 OUT SENSE SD GND
24K F
1 2 3 4
15.1 15.1 0 0
C4196 C4195
22u
0.1u Z
R4271
910 F 35V 25V
ASX R4250
10
4 5 6
LCD CONT 6 (GRAYLEVEL)
VIN VC VO VADJ
L4101
1 2 3 4
10uH
14.8 7.9 0 1.3
P0343TA
D4101
HSU119
C4138
220u
C4136
25V
22u
ASY R4193
C4142
20V 1K
1000P
AAPF
50V
D4102 FB4101
0252TA
LI124
2 4 6 8
*C4102
1u
16V
A097WJ
1 3 5 7
8 6 4 2
*R4288
10
CH
7 5 3 1
*R4143 *R4148 *R4152 *R4157 *R4162 *R4170 *R4174
*R4140 *R4167
33K F 47K F 33K F 16K F
27K F 15K F
F 39K F 12K F 10K
*R4163 *R4171
*R4137 *R4141 *R4144 *R4149 *R4153 *R4158 *R4168 *R4175
18K F 16K F 18K F 56K F 27K F 39K F
10 16K F 27K F 33K F 27K
*R4138 *R4142
*R4145 *R4150 *R4154 *R4159 *R4169 *R4172 *R4176
Z *R4164
16 F 100 F 430 F 680 F
390 F 430 F 620 F 390 F 110 F 360
1
3
5
4.4
4.8 5.1 5.4 7.4 0 0 8.5 10.3 10.6 10.9 11.1
7
36 35 34 33 32 31 30 29 28 27 26 25
4.1
11.5
37 24
VB2 VA2
3.5
11.9
38 VB1 VA1 23
0.9
14.1
39 VB0 VA0 22
0
6.8
40 GND1 VA8 21
GRAYLEVEL
OPAMP
8.3 12.6
41 VB8 VREF 20
IC4101
5.1 IXA706WJ 1.2
42 COM1 VR 19
5.1 0
43 COMO NC 18
C4124
5.1 14.0
68P
44 COMS VCC1 17
(CH)
0.9 6.8
45 VL0 VR8 16
2 1
14.1
4 3
46 VL8 VR0 15
R4139
33 CH
6 5
3.5 11.9
47 VL1 VR1 14
8 7
4.1 11.5
VL2 VR2
48 13
DA221
D4110
3
1 2 3 4 5 6 7 8 9 10 11 12
4.4 4.8 5.1 5.4 7.4 0 14.0 8.5 10.3 10.6 10.9 11.1
2 1
1 3 5 7
1 3 5 7
R4146
R4165
33
R4155 C4137 R4160 33
CH 0.1u Z
33 F 33 F CH
25V
2 4 6 8
2 4 6 8
R4156
R4161
10
1 3 5 7
10
1 3 5 7
R4147
R4166
10
CH 10
CH
2 4 6 8
2 4 6 8
8 6 4 2 C4135 C4139
8 6 4 2
C4129 1u 1u
C4141
16V 16V
1u
TVB TVB 1u
16V
KZA097WJ 16V
7 5 3 1 KZA097WJ
7 5 3 1
7 8 9
55
S3 (2004.11.15)
R4239
VOLTAGE 6.8K
1/4W
REGULATORS
INVERTER
SW TW
IC4108 Q4104
Q4103
PQ1CZ41H 2SC3928AR
GND 2SA1530AR 31.2
5
R4221
0
5.0 D4103
R4210 0 15K
HSU119
1/4W
R4194 10K
R4217 31.3
TW
120 L4102 L4103
5.9 10K
68uH
P0355TA 0
R4211 R4222
CA039WJ
4.7uH R4219
10K 7.7 R4244 5.6K
10K
1/4W
5.6K
TW
C4159 TW
D4104
1/4W
47u
HSU119
25V
C4146
C4117 ASY
39u
R4198 470u
16V
5.6K F 16V
AAPF
ASY
R4199
DC/DC CONVERTER
100K
FET 25.9
IC4109
Q4108
D
2SK1826
LT1615ES 2
7.9
1.3
FB
4 SHDN 3
C4120
5P R4216 R4230
0 1M
CH F 2K F 3 1 3
G S G
GND 2
0.6 0
R4218 R4220
7.9
7.8 39K 1M F
5 VIN SW 1 F
C4160
10u
L4105
50V
L4104 4.7uH
ASY
D4105
10uH
LI114
P0343TA
C4145 C4116
4.7u 1u
50V
16V
KZ0070TA KZA047WJ
R4256
100K
R4206
1K
1/10W
TVN
C4161
4.7u DC/DC CONVERTER
16V
IC4114
KZ0070TA
D4108
F LT1617ES
LI114
*R4279 7.9 -1.3
10
4 SHDN NFB 3
0
F
GND 2 C4164
0.22u
C4153
1u 7.9 7.9 16V Z
16V
5 VIN SW 1
F
KZA097WJ
*R4208 1 2
*C4147
0.1u Z 10
CH
25V 3 4 L4107
22uH
7 8 5 6
BWM
5 6 7 8
3 4 R4238
1M
1 2
DC/DC CONVERTER
*R4190 *R4202
IC4116
R4223
56K F 150 F
0.056
LTC1872
1/4W
7.9
*R4183 0.8
NZ0027TA
18K F
4 SENSE VFB 3
*R4191 *R4200
C4165
47K F 120F
100P
7.9 0
CH
5 VIN GND 2
*R4184
13K
F
L4106 3.5 1.0
10uH
6 TE RUN 1
PA001WJ
*R4180 *R4192 *R4201
R4228
3.9K F 62K F 620 F
10K
C4181 R4225
4.7u
*R4181 *R4109 0
D4109
6.8K F 5.6K F 16V
LI124
KZ0070TA
C4156
R4182 R4187 0.1u Z FET
25V
10
10K F Q4110
SI4884DY
R4188 R4196
1K F 75 F
3.5
6.8
5 D G 4
6.8 0
3
C4155 6 D S
R4177 R4186 0.1u Z
33 10 25V 6.8 0
CH CH 7 D S 2
7 8 7 8 7 8 6.8 0
8 D S 1
5 6 5 6 5 6
C4162
FB4102
3 4 3 4 3 4
390P
0252TA
CH
1 2 1 2 1 2
C4110
1u
16V
VH191 KZA097WJ
VH127
VH95
C4119
22u
20V
AAPF
10 11 12
LC-26GA5E
LC-32GA5E
TO PANEL
R4209
220
1/4W
VGH
SW VGL
Q4105
R4213
TP0610T
220
D4107 1/4W
D
HSU119
S
32.2
24.8 D4106
EX1274CE
G
13V
R4224
2.2K
1/10W
R4226
2.2K
1/10W
TV
3.5
D C4163
1u
2 15.5
50V
KZA047WJ BUFFER
3.5
Q4106
2SC3928AR
6.2
1
S
FET
2.6 0 R4227
Q4109
820
2SK1826 1/4W
TW
C4168 C4176
R4235
10u
0.1u Z 100K
10V
25V
KZ0053TA
R4233
39K F
C4174
10u
10V
KZ0053TA
R4234 C4170
L4110
150K F 100P
CH 4.7uH
D9Mj
L4108
22uH
BWM
FL4103
NA002WJ
C4177
C4179
22u
0.1u Z
20V
25V
AAPF
R4229
1M F
L4109
10uH
R4260
3.3K F P0343TA
R4231
51K F C4169
39u
20V
AAPF
C4166
220P CH
C4180
220u
25V
ASY
13 14 15 16