Schematic Diagram - Lcd Board - Sony BM-21 Service Manual

4-7. SCHEMATIC DIAGRAM – LCD BOARD –
R701
470k
2SD1819A-R-TX
R703
100k
R704 100k
0.033
Q702
2SB1218A-R-TX
R708
470k
R710
100k
R711
100k
Q705
2SB1218A-R-TX
R715
470k
R717
100k
R718
100k
Q708
2SB1218A-R-TX
BM-21/23
• See page 10 for Waveform. • See page 19 for IC Pin Function Description.
R702
470k
Q701
C703 R706
330k
R707
R705 Q703
330k
150k 2SD1819A-R-TX
R709
470k
Q704
2SD1819A-R-TX
C704 R713
0.015 330k
R712
Q706
R714
150k
2SD1819A-R-TX
330k
R716
C701
470k
0.1
Q707
2SD1819A-R-TX
C705 R720
0.015 330k
R719 R721
Q709
C702
150k
330k
2SD1819A-R-TX
0.1
LCD701
R722
1M
R723 1M
R724
R725 1M
R726 1M
R727 1M
R728 1M
R729 1M
Q710
2SB1218A-R-TX
X701
1MHz
IC701 BU2456-24
R730
100k
17 17
S701
Q712
Q713
UN5210-TX
UN5210-TX
D702
1M RB425D-T146
R731
100k
R736
120k Q711
UN5210-TX
Q714
UN5210-TX
Q715
UN5210-TX
D703
GL8PR29
D704
MA8051-TX
BM-21/23
R734
100k
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SUPPLEMENT-2
Page 15
( (
SUPPLEMENT-2
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