Sharp LC-20B4E (serv.man15) Service Manual ▷ View online
57
LC-20B4E
6
5
4
3
2
1
A
B
C
D
E
F
G
H
MAIN Unit (Chip Parts Side-B)
TL2035
TL2021
TL2017
TL2013
TL2044
TL2043
TL2003
TL2027
TL2025
TL2023
TL2019
TL2015
TL2045
TL2046
TL2033
IC1611
TL2034
TL2031
TL2029
TL2022
TL2018
TL2014
TL201
1
TL2009
TL2007
TL2005
TL2042
TL2002
TL2026
TL2036
TL2032
TL2030
TL2028
TL2024
TL2020
TL2016
TL2012
TL2010
TL2008
TL2006
TL2004
R2004
IC2007
C2001
IC1612
R2007
R2014
R2012
R2015
D2001
C2006
R1623
R1622
IC2003
Q1604
Q1606
TL2054
Q1602
R1656
R1657
R1655
C2004
R1604
TL2053
R1605
R2099
R1610
R1616
R1607
C2003
R2097
TL2055
R2080
C2018
R2079
Q2005
R2047
R2055
IC2006
R2096
R2032
Q2007
R2043
Q2002
R1609
R161
1
R2093
L1601
Q1603
TL2057
TL2056
R1606
R1665
R2090
R2087
R1612
R2064
R1615
R1614
Q1605
R2051
C2022
R1602
R1608
Q1601
C2008
C2024
R1617
R2098
IC2005
Q1607
C1610
R2041
IC2008
FB1603
TL2059
TL2060
R2045
TL2058
R2104
IC1604
C2025
TL702
C2028
R2065
C1616
C1621
R2085
R2062
TL703
R2056
IC2009
R2075
IC2011
TL704
C727
Q2006
TL705
R2070
C728
IC707
R2072
P702
TL706
Q2003
C721
TL701
R704
D702
TL707
C704
C717
TL712
TL708
C714
C718
IC705
D703
R706
TL710
TL709
D704
C710
D712
R715
C706
D71
1
D714
R717
TL713
D710
R716
D713
C725
TL71
1
R701
IC706
R707
R714
R703
R702
IC701
D701
C705
C716
R712
D706
IC704
C701
R709
C712
C709
R708
D707
Q701
C723
R718
R855
R854
R862
L702
R877
R853
R813
R823
C869
C868
C867
Q803
R857
R856
C866
C862
C864
R805
R858
TL803
R860
Q806
R878
C824
R816
C863
C812
TL801
R822
R864
C809
R872
IC807
C813
Q808
R876
R835
IC803
R863
R865
R852
C861
R851
R806
C860
R850
C859
C858
R849
R859
C834
C804
C805
C803
IC806
C802
R804
C801
TL1283
C832
R871
R870
C871
R829
IC808
C870
R861
C828
R820
R824
C823
Q804
R817
C815
C831
C821
R815
C814
C810
R830
R7006
C830
C806
C807
TL1205
TL1206
TL1219
IC802
R812
R81
1
C808
R807
R818
TL1221
TL1223
R809
TL1208
TL1220
TL1222
TL1207
TL1214
TL1212
TL1210
TL1216
TL1218
TL1290
TL1224
TL1225
TL1209
TL121
1
TL1213
TL1215
TL1217
R1245
Q1205
R1243
C1239
C1241
TL1282
R1248
TL1280
TL1281
Q1207
Q1206
TL1279
TL1278
TL1277
TL1276
TL1289
R1247
C1242
Q1208
TL1275
TL1274
TL1273
R1246
TL1272
TL1288
D1201
R1249
TL1270
TL1269
TL1271
D1202
TL1268
TL1266
Q1209
R1251
TL1267
D1204
TL1264
TL1262
TL1265
D1203
TL1263
TL1261
R1250
TL1260
Q121
1
TL1259
TL1258
R1256
TL1256
R1255
TL1257
TL1254
R1254
TL1255
TL1253
D1206
TL1252
Q1210
TL1248
TL1250
C1238
TL1251
D1205
TL1287
TL1249
TL1247
IC1202
TL1246
TL1244
TL1245
R1244
Q1204
R1253
R1252
TL1286
C1240
TL1242
TL1243
TL1241
TL1202
TL1240
R1
107
TL1201
TL1239
C
111
2
Q1103
TL1238
TL1237
R1106
R
111
0
TL1236
C1117
TL1234
TL1285
C1119
C
111
4
R
1111
TL1235
TL1233
R1114
C713
TL1231
TL1232
Q1
106
R1128
R1125
C
111
8
R1127
R1126
R1118
R1115
R1
123
R1
124
C
111
5
R1113
R
111
2
R1
105
Q1
102
Q1
105
C
111
3
R1
109
R1117
D1
103
C
111
6
D1101
Q1101
R1
104
R1119
R1619
D1102
Q1104
R1108
R1624
C
1111
R1620
TL1602
R1618
C1619
TL2037
TL2038
TL2039
FB1606
C1625
TL1601
TL2001
TL2040
R1603
TL1603
R1621
IC1606
IC1603
C1632
R1658
FB1605
C1624
R1627
R1625
C1626
IC1608
C1636
C1644
R1636
FB1610
C1649
IC1609
R1643
C1642
FB1611
IC1610
R1644
R1651
R1648
IC1614
C1647
FDC002
C1650
IC1615
R1652
R1653
R1654
58
LC-20B4E
6
5
4
3
2
1
A
B
C
D
E
F
G
H
R/C, LED Unit (Chip Parts Side-A)
R/C, LED Unit (Side-A)
P4004
D4015
D4012
D4022
R4021
C4018
SLD4001
RMC4002
R4029
R4024
D4014
Q4003
Q4007
R4023
R4001
D4011
Q4001
SW4008
SW4007
R4005
R4006
SW4002
SW4003
R4011
R4012
SW4004
SW4006
D4008
D4009
D4010
S4701
P4001
OPERATION Unit (Chip Parts Side-A)
(QPWBSB753WJN2)
OPERATION Unit (Side-A)
(QPWBSB753WJN2)
59
LC-20B4E
6
5
4
3
2
1
A
B
C
D
E
F
G
H
TUNER Unit (Side-A)
60
LC-20B4E
8
7
10
9
6
5
4
3
2
1
A
B
C
D
E
F
G
H
SC3901
R3926
R3931
R3930
R3928
R3932
R3934
R3924
R3923
R3922
R3935
R3929
R3927
D3908
D3906
D3907
D3904
D3909
R3933
R3503
C1901
R3502
D3905
D3903
R3925
C1920
R1909
C1910
R1901
R1905
C1911
R1910
R1906
C1905
C3909
C1918
C1915
C1907
C1909
C1912
C1913
C1914
C1929
L1901
C1919
C3912
R3918
C1906
C1939
C1922
C1902
R1933
C1908
C1923
C1950
R1911
C1904
R1923
C1932
R1904
X1901
C1930
C1903
R1924
IC1901
C1933
R1912
R1927
C1927
R3501
R3506
C1924
C3510
R3513
C3513
R3509
R3508
R3504
C1921
C3503
R3511
C3509
R3514
C3512
R3512
C1916
IC3501
R1968
C1967
C3511
L1902
R1907
R3612
Q3606
C3505
R1902
C1917
C3508
R3507
R1903
R3510
R1908
R3611
R3936
SC3902
TP3702
R2214
C2212
C2213
P3901
L2202
C3713
R1947
C1968
C1943
C1925
C1941
R1939
R1934
C1937
R1973
C1954
R1945
R1974
R1920
Q3706
C1931
R1914
C1928
R1916
R1919
C3911
R1921
R1913
R1915
R1917
C1935
R1922
IC1902
IC1903
C3506
C1934
R3505
C3502
R1929
R1918
C1936
C1969
R1926
C1940
R1930
C1942
R351
D302
C342
C3507
C345
R361
R362
Q303
R345
C335
D303
R352
C334
C1948
C3501
C343
R353
C3504
D3711
C5004
R360
C340
C3735
R3755
Q302
IC304
R354
C339
R355
R3753
C3734
R3752
C344
IC3702
R3748
R3906
R3907
C338
R358
C3902
C3733
R3905
C336
R3749
R3746
R3747
R3744
C1926
R346
Q3709
R3750
R3719
R3913
Q3902
C3730
R3734
R3745
C3906
Q3707
R3737
R3707
R3754
C3732
C3731
D3902
R3740
R3908
R3738
R3915
C3907
Q3905
Q3904
R5002
R3723
R5013
R3743
R3742
R3741
R3739
Q3705
C341
C3712
C3908
R3919
R3920
C3910
C3736
C3905
Q3906
C3913
R3921
R3914
R3916
R3917
R350
R5012
D301
R5005
SC5001
J5003
J5001
C1951
R1942
R1943
C1947
C1938
R1946 C1944
R1938
R1949
C1953
IC1904
R1941
R5006
R1964
R1961
C1962
R1940
R1937
D5001
R5010
R5004
C1945
C1949
R1948
R1932
C1952
R5009
R5011
C1966
R1967
R1957
C1964
R1958
FH3303
R1944
R1928
R1950
C1958
R1925
R5001
R1936
R1935
C1946
C1965
R1965
R1962
R1963
R1954
R1951
C1957
C1961
R1955
R1960
C1963
IC1905
C3729
R1959
R1952
C1960
C1959
Q3708
R1956
C1956
R1953
R1970
R1966
R1931
R3751
R3731
FH3301
C3303
C3727
P1902
R3736
R3728
L3703
C3737
C3717
L3701
C3711
C2227
D3705
R3735
R3722
D3706
Q3704
R3732
FB3702
R3713
C3722
FB3703
R3705
FB3709
L3702
R3708
C3714
C3706
R3724
Q3703
FB3701
C3716
C3721
T3701
Q3701
C3702
R3701
D3701
R3703
D3710
C3719
FB3705
Q3702
R2216
C2216
R3702
C3709
C3718
C3715
R3718
R3717
C3710
FB3707
L2203
FB3708
R3712
C2215
D3709
R3729
D3707
R3711
L2204
C3724
C3703
C2214
R3756
C2217
C3708
L2205
L2206
IC3701
R2208
R2220
C3723
D3704
L3704
R3721
C2221
R2222
R3720
R3715
R2224
R3709
C3701
R2223
Q2204
Q2203
R3704
R2225
C3705 C3704
R3706
C3728
R2227
R2226
Q2202
R3714
C2220
C2224
C2228
R2217
R3315
R2221
C3707
R3710
R2215
R3716
Q2201
C
C3311
C3305
C3309
C3307
C3308
C3306
R3312
R3311
Q3305
Q3304
R3310
Q3303
C3301
R3308
R3309
R3307
R3304
D3301
R3305
R3301
R3302
C3304
C3302
D3302
R3306
Q3301
P3902
C3316
D3702
R3314
TP3701
R3318
FH3302
P3603
FH3304
P3604
R3316
J3701
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