Yamaha CDX-E410 Service Manual page 11

IC22 : TA2125 (MAIN P.C.B)
Motor driver
* No replacement part available.
4ch
Driver
V RIN FIN STB IN3
R
36 35 34 33
Control
STBY
Logic
1 2 3 4
RL5
VCIN IN1
No. Symbol
1 OUT5A Output terminal
2 VM Supply voltage terminal for Logic
3 OUT5B Output terminal
4 VCIN Input reference voltage
5 IN1 Input for ch1
6 N.C. Open
7 N.C. Open
8 N.C. 8, 9, 10, 27, 28, 29 are connected to PW GND (FIN)
9 N.C. 8, 9, 10, 27, 28, 29 are connected to PW GND (FIN)
10 N.C. 8, 9, 10, 27, 28, 29 are connected to PW GND (FIN)
11 IN2 Input for ch2
12 N.C. Open
13 N.C. Open
14 VCC1 Supply voltage terminal for ch 1/ch2
15 OUT2M Inverted output for ch2
16 OUT2P Non-inverted output for ch2
17 OUT1M Inverted output for ch1
18 OUT1P Non-inverted output for ch1
19 OUT3P Non-inverted output for ch3
20 OUT3M Inverted output for ch3
21 OUT4P Non-inverted output for ch4
22 OUT4M Inverted output for ch4
23 VCC2 Supply voltage terminal for ch3/ch4
24 N.C. Open
25 REG OUT Connection with BASE of PNP Tr
26 REG OUT Output for regulator (5V)
27 N.C. 8, 9, 10, 27, 28, 29 are connected to PW GND (FIN)
28 N.C. 8, 9, 10, 27, 28, 29 are connected to PW GND (FIN)
29 N.C. 8, 9, 10, 27, 28, 29 are connected to PW GND (FIN)
30 REG STBY Standby control for regulator
31 IN4 Input for ch4
32 IN3 Input for ch3
33 STBY Standby control for 4ch BTL
34 FIN Logic control input
35 RIN Logic control input
36 VR Supply voltage terminal for motor driver
V
CC
REG
IN4 STB
REG OUT
32 31 30 29 28
STBY
lref TSD
+
5 6 7 8 9
N.C. N.C. GND
N.C.
FIN 27 26 25 24
FIN 10 11 12 13
N.C. N.C.
IN2
Function
CDX-E410
RL4 RL3
23 22 21 20 19
x 3 x 3 x 3 x 3
x 3 x 3 x 3 x 3
14 15 16 17 18
RL2 RL1
H-bridge
H-bridge
H-bridge
4ch BTL
4ch BTL
–
–
–
–
–
4ch BTL
–
–
4ch BTL
4ch BTL
4ch BTL
4ch BTL
4ch BTL
4ch BTL
4ch BTL
4ch BTL
4ch BTL
4ch BTL
–
Regulator
Regulator
–
–
–
Regulator
4ch BTL
4ch BTL
4ch BTL
H-bridge
H-bridge
H-bridge
11