Pioneer MJ-D707 Service Manual page 50

MJ-D707, MJ-17D
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3 7 63 1515 0
M56758FP (IC106: CORE MAIN UNIT ASSY)
5-channel Actuator Driver
Pin Assignment (Top view)
REG+
1
REGB
2
IN1+
3
VBS1
4
Vm1
5
IN1–
6
OUT1
7
VM1–
8
VM1+ 9
M56758FP
GND 10
GND
11
VM2+
12
VM2–
13
OUT2
14
IN2–
15
IN2+
16
MUTE1 17
18
MUTE2
SS. GND 19
VREF
20
VREFO
21
TE
L 13942296513
Pin Function
No. Name
1 REG+ Regulator voltage setting resistor connection terminal
2 REGB Regulator PNP base connection terminal
3 IN1+ E1 amplifier nonreversed input terminal
4 VBS1 Bootstrap power supply terminal
5 Vm1 Motor power supply terminal
6 IN1– E1 amplifier reversed input terminal
7 OUT1 E1 amplifier output terminal
8 VM1 (–) CH1 reversed output terminal
9 VM1 (+) CH1 nonreversed output terminal
10
GND Motor GND
11
12 VM2 (+) CH2 nonreversed output terminal
13 VM2 (–) CH2 reversed output terminal
14 OUT2 E2 amplifier output terminal
15 IN2– E2 amplifier reversed input terminal
16 IN2+ E2 amplifier nonreversed input terminal
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17 MUTE1 Mute terminal (CH1 to CH4)
18 MUTE2 Mute terminal (CH5)
19 SS. GND Small-signal ground
.
20 VREF Reference voltage input terminal
21 VREFO Reference voltage output terminal
50
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Block Diagram
5
CH3IN
42
OUT3
41
IN1+ 3
6
IN3– IN1–
40
OUT1 7
39
VBS2
38 Vm2 +
VM1+ 9
–
37 IN3+
–
VM1–
8
+
36 N.C.
VM3–
35
34 VM3+
+
VM2+ 12
–
GND
33
–
GND
32 VM2– 13
+
31 VM4+
OUT2 14
30
VM4–
IN2– 15
29 VM5+ IN2+ 16
VREFO
21
28 VM5–
OUT5
27
20
VREF
26 IN5–
VBS1
25
IN5+ 2
REGB
VREG
24 IN4+
1
REG+
IN4–
23
OUT4
22
Description
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8
4
VBS1
–
+
R
VBS1
Vm1
R
CH1
Vrefm1
×5
VBS1
CH2 VREFO
×5
BIAS
VBS1
VBS1
–
+
E2
L: Open
MUTE ON
VBS1
–
CH
+
VREF
1 to 4
–
+ 1.25V
19 17 18
Q Q
3 6 7 1 3
No. Name
22 OUT4 E4 amplifier output terminal
23 IN4– E4 amplifier reversed input terminal
24 IN4+ E4 amplifier nonreversed input terminal
25 IN5+ E5 amplifier nonreversed input terminal
26 IN5– E5 amplifier reversed input terminal
27 OUT5 E5 amplifier output terminal
28 VM5 (–) CH5 reversed output terminal
29 VM5 (+) CH5 nonreversed output terminal
30 VM4 (–) CH4 reversed output terminal
31 VM4 (+) CH4 nonreversed output terminal
32
GND Motor GND
33
34 VM3 (+) CH3 nonreversed output terminal
35 VM3 (–) CH3 reversed output terminal
36 N.C. Not connected
37 IN3+ E3 amplifier nonreversed input terminal
38 Vm2 Motor power supply terminal
39 VBS2 Bootstrap power supply terminal
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40 IN3– E3 amplifier reversed input terminal
.
41 OUT3 E3 amplifier output terminal
42 CH3IN E3 amplifier nonreversed input terminal
2 9 9 4 2 8
39 38
VBS2
–
+
E3
R
Vm2 VBS2
R
+
–
CH3
×8
Vrefm2
–
+
VBS2
+
–
CH4
×8
–
+
H: Sleep
VBS2
–
+
SLEEP
VBS2
E4
+
–
CH5
CH5
×8
–
+
TSD
VBS2
–
+
E5
10 11 32 33
1 5 0 5 8 2 9 9 4
Description
m
co
9 9
40
IN3–
37
IN3+
41
OUT3
42
CH3IN
34
VM3+
35
VM3–
31
VM4+
30
VM4–
22 OUT4
23 IN4–
24
IN4+
29
VM5+
28 VM5–
27 OUT5
26 IN5–
25
IN5+
2 8 9 9