14
1 REV
5CH output change terminal, logic input of
loading block
2 S-Vcc
signal system power supply
(BTL-AMP:CH1~4)
3 Vcc2 Power supply for loading block
4VL0− Loading output (−)
5 VL0+ Loading output (+)
6 VO4+ Output terminal (+) for channel 4
7 VO4− Output terminal (−) for channel 4
8 VO3+ Output terminal (+) for channel 3
9 VO3− Output terminal (−) for channel 3
10 VO2+ Output terminal (+) for channel 2
11 VO2− Output terminal (−) for channel 2
12 VO1+ Output terminal (+) for channel 1
13 VO1− Output terminal (−) for channel 1
14 Vcc1 CH1•`CH4(BTL-AMP) output stage power supply
15 VIN1 Input terminal for channel 1
16 VIN1− OP-AMP input AMP-A input terminal (−)
17 VIN1+ OP-AMP input AMP-A input terminal (+)
18 VIN2 Input terminal for channel 2, input AMP output
19 VIN2− Input terminal (−) for channel 2
20 VIN2+ Input terminal (+) for channel 2
21 Vcc-VREG 3.3VREG power supply
22 GND-VREG 3.3VREG GND
23 VIN3 Input terminal for channel 3, input AMP output
24 VIN3− Input terminal (−) for channel 3
25 VIN3+ Input terminal (+) for channel 3
26 REG-IN PNP transistor base connected
27 REG-OUT
3.3V power output to which the PNP transistor
collector connected
28 VCONT Loading output voltage set terminal
29 VREF-IN Reference voltage applied terminal
30 VIN4+ Input terminal (+) for channel 4
31 VIN4- Input terminal (−) for channel 4
32 VIN4 Input terminal for channel 4, input AMP output
33 MUTE1 Output ON/OFF for channel 1 (BTL AMP)
34 MUTE2 Output ON/OFF for channel 2 to 4 (BTL AMP)
35 S-GND Signal system GND
36 FWD
Output change terminal (FWD) for loading
output (VLO+−), logic input of loading block
Pin
No.
Name
Function
LA9241M (IC103)
1
2
3
4
5
6
7
8
9
FR
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
FR
27
26
25
24
23
22
21
20
19
FWD
S-GND
MUTE2
MUTE1
VIN4
VIN4-
VIN4+
VREF-IN
VCONT(LOADING)
FR
REG-OUT
REG-IN
VIN3+
VIN3-
VIN3
GND-VREG
VCC-VREG
VIN2+
VIN2-
REV
S-VCC
VCC2
VLO-
VLO+
VO4+
VO4-
VO3+
VO3-
FR
VO2+
VO2-
VO1+
VO1-
VCC1
VIN1
VIN1-
VIN1+
VIN2
Signal System VCC
(CH1 to CH4)
33k
11k
33k
11k
3.3VREG GND
3.3VREG
33k
11k
3.3VREG
PNP Tr
Base
PNP Tr
Collector
33k
11k
CH1 Output
ON/OFF
CH2 to CH4
Output
MUTE1
MUTE2
(LOADING)
Power Supply
Input
(Forward/Reverse/
Break/OFF)
Output
Control
Level
Shift
Level
Shift
Power
System
GND
Level
Shift
Level
Shift
Power Supply
Power Supply
(External PNP)
Power System GND
Signal System GND
Thermal
Shutdown
NC
TBC
FSC
DGND
SLI
SLC
RFS
RFSM
CV
CV
SLOF
HFL
TES
TOFF
TGL
JP
FD
FA
FA
FE
FE
AGND
NC
SP
SPG
SP
SPD
SLEQ
SLD
SL
SL
JP
FIN2
FIN1
E
F
TB
TE
TE
SCI
TH
TA
TD
TD
JP
TESI
TO
FD
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
VCC1
LDS
LDD
BH1
PH1
LF2
VR
REFI
VCC2
FSS
DRF
CE
DAT
CL
CLK
DEF
-
-
+
-
-
-
-
-
-
+
-
+
-
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49505152535455565758596061626364
APC
RF DET
REF
I/V
VCA
VCABAL
-com
INTER FACE
T. SERVO & T.LOGIC
F.SERVO & F.LOGIC
SPINDLE
SERVO
SLED SERVO
TE
SLC
RF Amp
FIN2
FIN1
E
F
TB
TE
TE
SCI
TH
TA
TD
TD
JP
TESI
TO
FD
-
-
FD
FA
FA
FE
FE
GND
NC
SP
SPG
SP
SPD
SLEQ
SLD
SL
SL
JP
+
-
-
-
-
-
-
NC
TBC
FSC
DGN
SLI
SLC
RFS
RFSM
CV
CV
SLOF
HFL
TES
TOFF
TGL
JP
+
-
+
-
VCC1
LDS
LDD
BH1
PH1
LF2
VR
REFI
VCC2
FSS
DRF
CE
DAT
CL
CLK
DEF
LA6559 (IC101)
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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