JVC MX-DVA9 Service Manual page 60

MX-DVA9/MX-DVA9R
M56788FP-W (IC271) : Traverse mechanism driver
1.Terminal layout
2.Block diagram
Vm1
IN1+
IN1-
E1
OUT1
VM1(+)
CH1
X5
VM1(-)
VM2(+)
CH2
X5
VM2(-)
OUT2
IN2-
IN2+
E2
VREF0
VBS1
VREF
VREF
VBS2
REGB
VREG
REG+
1-60
CH3IN
1
OUT3
2
IN3-
3
VBS2
4
Vm2
5
N.C
6
GND
7
IN3+
8
VM3-
9
VM3+
10
GND
11
VM4+
12
VM4-
13
VM5+
14
VM5-
15
OUT5
16
IN5-
17
IN5+
18
IN4+
19
IN4-
20
OUT4
21
VBS1
R
R
VBS1
Vrefm1
VBS1
BIAS
VBS1
1.25V
MUTE1
SS.GND
REG+
42
REGB
41
IN1+
40
VBS1
39
Vm1
38
IN1-
37
OUT1
36
VM1-
35
VM1+
34
GND
33
VM2+
32
VM2-
31
OUT2
30
GND
29
IN2-
28
IN2+
27
MUTE1
26
MUTE2
25
SS.GND
24
VREF
23
VERFO
22
VBS1 VBS2
R
Vm1 Vm2
R
Vrefm2
VREF0
Hi:Sleep
VBS1
SLEEP
Low, Open
MUTE ON
1~4
5CH
CH
TSD
MUTE2
GND (4PIN)
Vm2
VBS2
IN3-
IN3+
E3
OUT3
CH3IN
VBS2
CH3
VM3(+)
X8
VM3(-)
VBS2
CH4
VM4(+)
X8
VM4(-)
VBS2
IN4-
IN4+
E4
OUT4
VBS2
CH5 VM5(+)
X8 VM5(-)
VBS2
IN5-
IN5+
E5
OUT5