Numark CDN 450 Service Manual page 39

Professional cd/mp3 player
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12.7 BD4745
Part number and Marking of samples
( 4 )
( 5 )
( 2 )
( 3 )
( 1 )
Marking
Timing waveform
VS
VCC
VCC
VS+ΔVS
0V
VOUT
VOH
VOL
Application Circuit
Marking
Voltage
1.9V
BA
2.0V
BB
BC
2.1V
2.2V
BD
2.3V
BE
2.4V
BF
2.5V
BG
Lot.No
2.6V
BH
B3
2.7V
2.8V
BJ
TPLH
T
PHL
VCC
5
Vref
BD XXG
47
3
GND
Voltage
Marking
Part No.
2.9V
BD4719
BK
3.0V
BD4720
BL
BD4721
BM
3.1V
BD4722
3.2V
BN
3.3V
BD4723
B4
BD4724
3.4V
BP
BD4725
3.5V
BQ
3.6V
BD4726
BR
BS
3.7V
BD4727
3.8V
BD4728
BT
Transfer delay time measurement circuit
0.22uF
VCC
BD
DD
V
Micro
controller
4
reset pin
Vout
-33-
Marking
Voltage
Part No.
3.9V
BD4729
BU
4.0V
BD4730
BV
BD4731
BW
4.1V
BD4732
BX
4.2V
4.3V
BD4733
BY
BD4734
4.4V
BZ
BD4735
4.5V
B1
4.6V
BD4736
B2
BD4737
BD4738
RL=4.7KΩ
5
4
100pF
Vcc
Vout
47
XXG
NC
SUB
GND
1
2
3
Part No.
BD4739
BD4740
BD4741
BD4742
BD4743
BD4744
BD4745
BD4746

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