18
D-EJ1000
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
I/O
O
—
—
I
O
I
—
O
I
I
O
—
—
—
—
—
—
—
O
—
—
—
O
—
O
I
I
O
—
—
Pin Name
VCC1
DELAY
DTC2
INM2
RF2
INP2
STNG
CHGMNT
BATM2
BATM1
VLGO2
L2L
PGND2
L2H
VIN
L4H
PGND4
L4L
VLG4
L3H
PGND3
L3L
VLG3
VCC2
VCC3
INP3
INM3
RF3
DTC3
DTC4
Description
VCC1 (for CD DSP) output (= 1.98V standard)
Terminal for VCC1 control time constant
Duty setting terminal (Power supply 2 VCPU)
Inverting input of the operational amplifier (Power supply 2 VCPU)
Output of the operational amplifier (Power supply 2 VCPU)
Non-inverting input of the operational amplifier (Power supply 2 VCPU)
External transistor drive terminal (Power supply 2 VCPU)
Rechargeable battery voltage detection signal output
Minus terminal of the lower rechargeable battery
Minus terminal of the upper rechargeable battery
Output of the power supply 2 VCPU (= 2.0V standard)
Coil connection terminal H (Power supply 2 VCPU)
Ground of the power supply 2 VCPU
Coil connection terminal L (Power supply 2 VCPU)
VIN input of the power supply 4 (3.3V at AC adaptor use, Non charging mode)
Coil connection terminal H (Power supply 4 VAPC)
Ground of the power supply 4 VAPC
Coil connection terminal L (Power supply 4 VAPC)
Output of the power supply 4 VAPC (= 1.8V standard)
Coil connection terminal H (Power supply 3 VDAC)
Ground of the power supply 3 VDAC
Coil connection terminal L (Power supply 3 VDAC)
Output of the power supply 3 VDAC (= 2.7V standard)
VCC2 input for VCC3 (= 2.7V standard)
Output of VCC3 VDOJ (= 2.38V standard)
Inverting input of the operational amplifier 1 (Power supply 3 VDAC)
Non-inverting input of the operational amplifier 1 (Power supply 3 VDAC)
Output of the operational amplifier 1 (Power supply 3 VDAC)
Duty setting terminal (Power supply 3 VDAC)
Duty setting terminal (Power supply 4 VAPC)
Содержание D-EJ1000 - Portable Cd Player
Страница 14: ...14 14 D EJ1000 5 5 SCHEMATIC DIAGRAM MAIN BOARD 1 3 See page 9 for Wavefoms and IC Block Diagram IC B D ...
Страница 15: ...15 15 D EJ1000 5 6 SCHEMATIC DIAGRAM MAIN BOARD 2 3 ...
Страница 16: ...16 16 D EJ1000 5 7 SCHEMATIC DIAGRAM MAIN BOARD 3 3 See page 9 for Wavefoms ...
Страница 31: ...31 D EJ1000 MEMO ...