XL-R5020BK
23
5.7 LA6541-X (IC801) : Focus & Spindle & Feed & Tracking BTL driver
• Pin layout & Block diagram
• Pin function
Pin No.
Symbol
Description
1
Vcc
Power supply (Shorted to pin 24)
2
Mute
All BTL amplifier outputs ON/OFF
3
Vin1
BTL AMP 1 input pin
4
Vg1
BTL AMP 1 input pin (For gain adjustment)
5
Vo1
BTL AMP 1 input pin (Non inverting side)
6
Vo2
BTL AMP 1 input pin (Inverting side)
7
Vo3
BTL AMP 2 input pin (Inverting side)
8
Vo4
BTL AMP 2 input pin (Non inverting side)
9
Vg2
BTL AMP 2 input pin (For gain adjustment)
10
Vin2
BTL AMP 2 input pin
11
Reg Out
External transistor collector (PNP) connection. 5V power supply output
12
Reg In
External transistor (PNP) base connection
13
Res
Reset output
14
Cd
Reset output delay time setting (Capacitor connected externally)
15
Vin3
BTL AMP 3 input pin
16
Vg3
BTL AMP 3 input pin (For gain adjustment)
17
Vo5
BTL AMP 3 output pin (Non inverting side)
18
Vo6
BTL AMP 3 output pin (Inverting side)
19
Vo7
BTL AMP 4 output pin (Inverting side)
20
Vo8
BTL AMP 4 output pin (Non inverting side)
21
Vg4
BTL AMP 4 output pin (For gain adjustment)
22
Vin4
BTL AMP 4 output pin
23
Vref
Level shift circuit's reference voltage application
24
Vcc
Power supply (Shorted to pin 1)