Denon adv-m71 Service Manual page 31

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3 7 63 1515 0
FAN8423D3TF (ME: U7)
TE
L 13942296513
SN74HCT244APW (MA: IC304)
SN74LV244APW (MA: IC708)
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28 27 26 25 24 23
1 2 3 4 5 6
Pin Definitions
Pine Number Pin Name I/O
1 NC
2 A3
3 NC
4 A2
5 NC
6 NC
7 A1
8 GND
9 H1+
10 H1-
11 H2+
12 H2-
13 H3+
14 H3-
15 VH
16 NC
17 PC1
18 SB
19 FG3X
20 DIR
21 ECR
22 EC
23 S/S
24 FG1X
25 VCC
26 NC
27 VM
28 CS1
x ao
y
i
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8
GND
22 21 20 19 18
-
+
Absolute
Values
Current Sense
Output
Amp
Current Limit
Hall Amp
7 8 9 10 11
GND
Pin Function Description
- No connection
O Output (A3)
- No connection
O Output (A2)
- No connection
- No connection
O Output (A1)
- Ground
I Hall signal (H1+)
I Hall signal (H1-)
I Hall signal (H2+)
Q Q
I Hall signal (H2-)
3 6 7 1 3
I Hall signal (H3+)
I Hall signal (H3-)
I Hall bias
- No connection
- Phase compensation capacitor
I Short brake
O FG waveform (3X)
O Rotational direction output
I Output current control reference
I Output current control voltage
I Power save (Start/Stop switch)
O FG waveform (1X)
- Supply voltage (Signal)
- No connection
- Supply voltage (Motor)
- Output current detection
logic symbol
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.
31
ADV-M71
2 9 9 4 2 8
17 16 15
TSD
12 13 14
1 5 0 5 8 2 9 9 4
Function Table
INPUTS OUTPUT
G A
L H
L L
m
H X
co
31
9 9
2 8 9 9
Y
H
L
Z