Read Sharp DV-NC55 (serv.man11) Service Manual online
78
DV-NC55S/H
DV-NC60H
DV-NC60H
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
-
+
-
+
-
+
10K
-
+
10K
16K
16K
-
+
-
+
-
+
10K
16K
-
+
10K
16K
MUTE
REV OUTF
FWD OUTR
FWD OUTR
Loading Driver
VCC
-
+
10K
10K
10K
10K
-
+
10K
-
+
10K
-
+
10K
10K
- +
Level
Shift
- +
Level
Shift
-
+
10K
10K
10K
10K
-
+
10K
-
+
10K
-
+
10K
10K
- +
Level
Shift
- +
Level
Shift
• Block Diagram
12-12. IC7701 BA5984FP
MOTOR DRIVER
Pin No.
Terminal name
Operation function
Pin No. Terminal name
Operation function
1
LD-FWD
Loading driver FWD input terminal
15
V04(+)
Driver CH4 Negative output
2
SL_IN(+)
CH1 Former stage amplifier nonreverse input terminal
16
V04(-)
Driver CH4 Positive output
3
SL_IN(-)
CH1 Former stage amplifier reverse input terminal
17
V03(+)
Driver CH3 Negative output
4
SLOUT
CH1 Former stage amplifier output terminal
18
V03(-)
Driver CH3 Positive output
5
SP_IN(+)
CH2 Former stage amplifier nonreverse input terminal
19
GND
Ground terminal
6
SP_IN(-)
CH2 Former stage amplifier reverse input terminal
20
BIAS
Bias input terminal
7
SP_OUT
CH2 Former stage amplifier output terminal
21
MUTE
Mute control terminal
8
VCC
Power terminal
22
FO_OUT
CH3 Former stage amplifier output terminal
9
LD(-)
Loading driver Negative output
23
FO_IN(-)
CH3 Former stage amplifier reverse input terminal
10
LD(+)
Loading driver Positive output
24
FO_IN(+)
CH3 Former stage amplifier nonreverse input terminal
11
SPIN(-)
Driver CH2 Negative output
25
TR_OUT
CH4 Former stage amplifier output terminal
12
SPIN(+)
Driver CH2 Positive output
26
TR_IN(-)
CH4 Former stage amplifier reverse input terminal
13
SL(-)
Driver CH1 Negative output
27
TR_IN(+)
CH4 Former stage amplifier nonreverse input terminal
14
SL(+)
Driver CH1 Positive output
28
REV
Loading driver REV input terminal
Note 1: Positive and negative output the driver have polarity with respect to input. (An example: 4 pin terminal voltage
‘HIGH’: 14 pin terminal voltage ‘HIGH’)
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