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• IC Block Diagrams
IC101 LA4168ML
IC501 MM1251M
(M-830V model only)
SECTION 5
DIAGRAMS
IC601 LB1877V
+
–
+
–
+
–
+
–
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
UOUT
DR
VCC
LB
FC
OUT
VSP
IN+
VREF
S/S
20
19
18
17
16
15
14 13
12
11
VOUT
WOUT
P-GND
WB
VB
UB
OSC
COM
GND
RI
1 2
3
4 5 6
7
8
9
10
DRIVER
STARTUP
DIR LOGIC
STARTUP
DET
WAVEFORM
DET
CURRENT
DET
SPEED
DET
LOCKING
PROTECT
OSC
BIAS
REF V
TSD
+
–
1 2
3
4
5
6
7
8
+
–
+
–
VOLTAGE UP
CIRCUIT
VREF
NC
VCC
VS
HYS
NC
CT
GND
OUT
