An8471Sa (Sm: Ic505) - Denon DCD-1500AE Service Manual

AN8471SA (SM: IC505)

32
1
18
OSC
20
FG2
FG 10
7
H1H
6
H1L
H2H 5
Hall Amp
Matrix
4
H2L
H3H 3
H3L 2
1
VHB
Hall Direction
Bias SW
8
EC
VT
ECR 9
VCL
30
BMS
11
START
T14L1024N (SM: IC732)
17
16
16 15 14 13 12 32 31
Booster
Thermal
Protect
Divider
PWMOUT
SRESET
Start/Stop
X5
CSOUT
Pin Name
Pin No.
1 VHB
2 H3L
3 H3H
4 H2L
5 H2H
6 H1L
7 H1H
8 EC
9 ECR
10 FG1
11 START
12 VPUMP
13 BC1
14 BC2
19 VM2
15 BC3
16 BC4
27 A11
17 GND
28 A12
18 V
DD
24 A21
19 VM2
25 A22
20 FG2
21 A31
21
A31
22 A32
22 A32
23 CS2
23 CS2
24 A21
26 CS1
25 A22
26 CS1
27 A11
28 A12
29 NC
17
GND
30 BMS
31 VM1
32 VLP
43
DCD-1500AE
Function
Hall bias pin
Hall element 3 input (-)
Hall element 3 input (+)
Hall element 2 input (-)
Hall element 2 input (+)
Hall element 1 input (-)
Hall element 1 input (+)
Torque command input pin
Torque command ref. input pin
FG signal lout put pin (0.C)
Start/Stop switching pin
Booster pin
Booster cap. connecting pin 1
Torque command input pin 2
Torque command input pin 3
Torque command input pin 4
GND pin
Power pin
Motor power pin 2
3x FG signal output pin (0.C)
Drive output 3
Drive output 3
Current detect pin 2
Drive output 2
Drive output 2
Current detect pin 1
Drive output 1
Drive output 1
N.C.
Brake mode switching pin
Motor power pin 1
Pre-driver lower power
44