Sharp XL-MP100H

XL-MP100H
8 – 3
IC501 VHIBD3881FV-1: Record/Playback Amp. (BD3881FV)
No. Terminal Name Function No. Terminal Name Function
1 PB1N Ch1 Tape Filter Pin 15 BAS2 Ch2 Bass Filter Setting Pin
2 PB1P Ch1 Tape Input Pin 16 OUT2 Ch2 Output Pin
3 PB2P Ch2 Tape Filter Pin 17 BAS1 Ch1 Bass Filter Setting Pin
4 PB2N Ch2 Selector Output Pin 18 OUT1 Ch1 Output Pin
5 PB2O Ch2 Selector Output Pin 19 INA1 Ch1 Input Pin A
6 PB1O Ch1 Selector Output Pin 20 INA2 Ch2 Input Pin A
7 VOLIN1 Ch1 Volume Input Pin 21 INB1 Ch1 Input Pin B
8 VOLIN2 Ch2 Volume Input Pin 22 INB2 Ch2 Input Pin B
9 GND Ground Pin 23 INC1 Ch1 Input Pin C
10 TRE1 Ch1 Treble Filter Setting Pin 24 INC2 Ch2 Input Pin C
11 TRE2 Ch2 Treble Filter Setting Pin 25 REC2C Ch2 REC Output Pin
12 VDD Positive Power Supply Pin 26 REC2N Ch2 REC Filter Pin
13 CONT Serial Control Receiving Pin 27 REC1N Ch1 REC Filter Pin
14 VEE Negative Power Supply Pin 28 REC1O Ch1 REC Output Pin
23 22 21 20 19 18 17 16 152425262728
6 7 8 9 10 11 12 13 14
VEECONTVDDTRE2TRE1GND VOLIN2VOLIN1 PB1OPB2O
20k
9.3k
20k
18dB
18dB
9.3k
PB2NPB2PPB1PPB1N
REC1O REC1N REC2N REC2O INC2 INC1 INB2 INB1 INA2 INA1 OUT1 BAS1 BAS2OUT2
54321
VOLUME
VOLUME
TREBLE
BASS
Logic Control
BASS
TREBLE
Figure 4 BLOCK DIAGRAM OF IC