Sharp SD-AT100H Service Manual page 109

IC3801 VHiBA5984FP-1: Motor Driver (BA5984FP)
Pin No. Terminal Name
1* LD-FWD
2 SL_IN(+)
3 SL_IN(-)
4 SLOUT
5 SP_IN(+)
6 SP_IN(-)
7 SP_OUT
8 VCC
9* LD(-)
10* LD(+)
11 SPIN(-)
12 SPIN(+)
13 SL(-)
14 SL(+)
15 V04(+)
16 V04(-)
17 V03(+)
18 V03(-)
19 GND
20 BIAS
21 MUTE
22 FO_OUT
23 FO_IN(-)
24 FO_IN(+)
25 TR_OUT
25 TR_OUT
26 TR_IN(-)
27 TR_IN(+)
28* REV
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.
28 27 26
Loading Driver
REV OUTF
FWD OUTR
1 2
Loading driver FWD input terminal.
CH 1 Former stage amplifier nonreverse input terminal.
CH 1 Former stage amplifier reverse input terminal.
CH 1 Former stage amplifier output terminal.
CH 2 Former stage amplifier nonreverse input terminal.
CH 2 Former stage amplifier reverse input terminal.
CH 2 Former stage amplifier output terminal.
Power terminal.
Loading driver Negative output.
Loading driver Positive output.
Driver CH 2 Negative output.
Driver CH 2 Positive output.
Driver CH 1 Negative output.
Driver CH 1 Positive output.
Driver CH 4 Negative output.
Driver CH 4 Positive output.
Driver CH 3 Negative output.
Driver CH 3 Positive output.
Ground terminal.
Bias input terminal.
Mute control terminal.
CH 3 Former stage amplifier output terminal.
CH 3 Former stage amplifier reverse input terminal.
CH 3 Former stage amplifier nonreverse input terminal .
CH 4 Former stage amplifier output terminal.
CH 4 Former stage amplifier output terminal.
CH 4 Former stage amplifier reverse input terminal.
CH 4 Former stage amplifier nonreverse input terminal.
Loading driver REV input terminal.
25 24 23
10K
16K
-
+
+
10K
-
16K
3 4 5 6
Figure 109 BLOCK DIAGRAM OF IC
Function
22 21
MUTE
10K
16K
-
+
+
10K
-
16K
VCC
7 8
– 109 –
20 19 18 17
10K 10K
10K
10K
- +
Level
Shift
Level
Shift
- +
10K
10K
10K
10K
9 10 11 12
SD-AT100H
16 15
10K
10K
10K
10K
- +
Level
Shift
Level
Shift
- +
10K
10K
10K
10K
13 14