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BM-23MK2
6-6. SCHEMATIC DIAGRAM – AUDIO BOARD (4/4) –
Q511
2SB1218A-R-TX
R537
100k
R538
100k
C513
0.022
R532
6.8k
C514
0.1
JR102
0
R533
C515
39k
0.01
BM-23MK2
• See page 20 for IC Block Diagram.
JR1
0
Q2
R3
R6
R7
3.3k
2SB1218A-R-TX
3.3k
C1
100k
R4
0.0033
33k
R2
33k
Q3
2SD1819A-R-TX
Q1
2SD1819A-R-TX
Q4
XN1215-TX
R1
330k
Q520
UN5214-(TX)
R516
100k
Q510
Q508
UN5215-(TX)
XN1214-TX
R535
4.7k
Q507
UN5114-TX
TP66
R625
10k
Q601
2SB1218A-R-TX
C606
R604
1
330k
16V
C517
10
R607
4V
22
R605
33k
Q605
TP32
UN5215-(TX)
C601
22
4V
C516
Q509
0.001
UN5215-(TX)
Q602
UN5215-(TX)
R603
R536
C602
10k
39k
22
4V
R618
10k
JR110
0
JR105
0
R11
C3
R10
330k
TP61
68
0.0033
R8
100k
C2
R9
0.0033
3.3k
R540
R541
R542
D501
33k
4.7k
4.7k
MA729-TX
D502
MA729-TX
Q5
Q514
2SD1819A-R-TX
XP1501-TXE
C521
22
Q513
4V
XP1214-TXE
S601(2/2)
Q606
S504
UN5114-TX
TP33
Q608
UN5215-(TX)
S601(1/2)
TP34
Q612
2SB1218A-R-TX
Q610
UN5214-TX
C607
1
16V
Q613
UN5215-(TX)
R602
R608
R616
10k
27k
68k
R615
100k
R606
TP64
C511
100k
Q607
0.47
XP1215-TXE
C603
Q603
2SD1819A-R-TX
22
4V
18
18
JR202
0
JR201
0
C522
R543
R520
22
33k
10k
4V
R522
470
R521
R530
120k
R519
680
1.5k
Q515
TP46
UN5115-(TX)
TP47
R517
Q503
100k
UN5215-(TX)
PH501
NJ5161K-F10-A
Q521
2SD1819A-R-TX
R551
R545
10k
68k
R50
8.2k
R640
4.7k
S101(3/4)
C618
2.2
TH601
R639
1k
R637
TP35
C619
0.47
100k
TP36
RV602
4.7k
RV601
4.7k
TP38
TP37
S602(1/2)
R632
1M
R642
R645
R646
3.9k
8.2k
4.7k
R631
R633
C611
1M
1M
0.1
TP76
Q611
UN5214-TX
Q522
UN5114-TX
TP55
C617
0.047
*M901
MOTOR
TP48
BLK(COM)
(COM)
TP49
BRW(U)
(W)
TP50
RED(V)
(V)
TP53
WHT(W)
(U)
*M901
Exchange the connection
C615
TP54
10
of U and W in order to
4V
connect the motor
in reverse direction.
C613 C614
0.1
0.1
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