Read Sharp SD-SH111 (serv.man21) Service Manual online
– 105 –
SD-SH111
1*
LD-FWD
Loading driver FWD input terminal.
2
SL_IN(+)
CH 1 Former stage amplifier nonreverse input terminal.
3
SL_IN(-)
CH 1 Former stage amplifier reverse input terminal.
4
SLOUT
CH 1 Former stage amplifier output terminal.
5
SP_IN(+)
CH 2 Former stage amplifier nonreverse input terminal.
6
SP_IN(-)
CH 2 Former stage amplifier reverse input terminal.
7
SP_OUT
CH 2 Former stage amplifier output terminal.
8
VCC
Power terminal.
9*
LD(-)
Loading driver Negative output.
10*
LD(+)
Loading driver Positive output.
11
SPIN(-)
Driver CH 2 Negative output .
12
SPIN(+)
Driver CH 2 Positive output.
13
SL(-)
Driver CH 1 Negative output.
14
SL(+)
Driver CH 1 Positive output.
15
V04(+)
Driver CH 4 Negative output.
16
V04(-)
Driver CH 4 Positive output.
17
V03(+)
Driver CH 3 Negative output.
18
V03(-)
Driver CH 3 Positive output.
19
GND
Ground terminal.
20
BIAS
Bias input terminal.
21
MUTE
Mute control terminal.
22
FO_OUT
CH 3 Former stage amplifier output terminal.
23
FO_IN(-)
CH 3 Former stage amplifier reverse input terminal.
24
FO_IN(+)
CH 3 Former stage amplifier nonreverse input terminal .
25
TR_OUT
CH 4 Former stage amplifier output terminal.
25
TR_OUT
CH 4 Former stage amplifier output terminal.
26
TR_IN(-)
CH 4 Former stage amplifier reverse input terminal.
27
TR_IN(+)
CH 4 Former stage amplifier nonreverse input terminal.
28*
REV
Loading driver REV input terminal.
IC3801 VHiBA5984FP-1: Motor Driver (BA5984FP)
Terminal Name
Pin No.
Function
Positive and negative output the driver have polarity with respect to input.
(An example: 4 pin terminal voltage ‘HIGH’: 14 pin terminal voltage ‘HIGH’)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
(An example: 4 pin terminal voltage ‘HIGH’: 14 pin terminal voltage ‘HIGH’)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Figure 105 BLOCK DIAGRAM OF IC
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
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