– 19 –
1
13
2
14
15
16
17
18
7
19
8
20
9
10
11
12
DIRECTION
ANTI
LOCKING
PULSE DET
OPERATION LOGIC
OSC
REF VOLTAGE
FOR SPEED CONTROL
BIAS
+
–
CURRENT
DET
TSD
SLEEP
DET
START
DET
FREQ.
CHARC.
ERROR
AMP
FEED
BACK
REF
VOLTAGE
VOUT
WOUT
OSC
COM
GND
RI
UOUT
DR
VCC
LB
FC
OUT
VSP
IN+
VREF
S/S
+
–
+
–
+
–
+
–
21
22
23
24
25
26
27
28
29
30
2
3
5
4
6
7
8
9
10
1
11
12
13
14
15
16
17
18
19
20
300k
EQ
MIC
2.2k
30k
2k
PAUSE
POWER
MIC
VCC
Vref
R/P
R, F
GVN
VOX
SPEED
ALC
VOX
20k
REC
1
2
PRE GND
EQ IN
MIC IN
Vref OUT
MIC VCC
R, F OUT
LED DRIVE
R/P SW
PAUSE
P/R MUTE
GVN CONT
GVN Vref
Vs
GVN GND
GVN OUT
PRE NF
PRE OUT
REG IN
REG OUT
ALC CONT
VOX CONT
VOX DELAY
GNV SPEED UP
AUT STOP CONT
AUT STOP IN
PWR IN
PWR OUT1
PWR GND
PWR OUT2
Vcc
1
2
3
4
8
7
6
5
GND
AMP OUT
GAIN CONT
INPUT
VCC
OUTPUT2
OUTPUT1
RECOVERY
TIME CAP
1 2
3
4
5
6
7
8
+
–
+
–
VOLTAGE UP
CIRCUIT
VREF
NC
VCC
VS
HYS
NC
CT
GND
OUT
• IC Block Diagrams
IC101 LA4168ML
IC501 NJM2072M
IC601 LB1877V
IC301 MM1251M
www. xiaoyu163. com
QQ 376315150
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TEL 13942296513
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9
2
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0
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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
