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HT-CN400DVH/HT-CN400DVE/HT-CN500DVH/HT-CN500DVE
IC801 92LRCI6560-001: Motor Driver (LA6560)
1
FWD
REV
2
VCC2
3
VLO-
4
VLO+
5
VO4+
6
VO4-
7
VO3+
8
VO3-
9
Power System GND
RF
FR
VO2+
10
VO2-
11
VO1+
12
VO1-
13
VCC1
14
VIN1
15
VIN1-A
16
-
VIN1+A
+
17
VIN1-B
-
18
+
-
+
22 k
11 k
-
+
AMP-A
VIN1 (VREF)-SW
[L]: Internal VREF (2.5 V fixed)
[H]: Internal VREF
VIN1 (VREF)-SW
[L]: AMP-A
[H]: AMP-B
AMP-B
Figure 40 BLOCK DIAGRAM OF IC
Signal System GND
Thermal Shutdown
(LOAD output voltage setting)
BTL-AMP Output
ON/OFF
22k
-
+
VIN1/VREF-SW
Power System GND
5VREG (Extemal PNP)
+
-
22 k
+
-
22 k
-
+
– 40 –
36
S-GND
35
VCONT
34
MUTE
MUTE
33
VIN4
32
VIN4-
11k
-
+
31
VIN4+
-
+
30
VREF-IN
29
VIN1(VREF)-SW
28
VREF-OUT(CH1)
RF
RF
27
REG-OUT
26
REG-IN
25
VIN3+
11 k
+
-
24
VIN3-
23
VIN3
22
VIN2+
11 k
+
-
21
VIN2-
20
VIN2
19
VIN1+B
UNit
Resistance: Ω
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