Marantz CD6002/F Service Manual page 38

IC32 : TA2125AF
No. Symbol
1 OUT5A Output terminal
2 V Supply voltage terminal for Logic
M
3 OUT5B Output terminal
4 V Input reference voltage
CIN
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 V Supply voltage terminal for ch1/ch2
CC1
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 V Supply voltage terminal for ch3/ch4
CC2
24 N.C. Open
25 REG Connection with BASE of PNP Tr
26 REG OUT Output for regulator (5 V)
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
4ch
Driver
V RIN FIN STB IN3 IN4
R
36 35 34 33 32 31
Control STBY
STBY
Logic
1 2 3 4 5 6
N.C. N.C.
RL5
VCIN IN1
V
CC
REG
STB
REG OUT
30 29 28 FIN 27 26
Iref TSD
7 8 9 10 11
FIN
GND
IN2
Function
46
RL4 RL3
N.C.
25 24 23 22 21 20
´ 3 ´ 3 ´ 3 ´ 3
 
´ 3 ´ 3 ´ 3
 
12 13 14 15 16 17
N.C. N.C.
RL2 RL1
H-bridge
H-bridge
H-bridge
4ch BTL
4ch BTL
¾
¾
¾
¾
¾
4ch BTL
¾
¾
4ch BTL
4ch BTL
4ch BTL
4ch BTL
4ch BTL
4ch BTL
4ch BTL
4ch BTL
4ch BTL
4ch BTL
¾
Regulator
Regulator
¾
¾
¾
Regulator
4ch BTL
4ch BTL
4ch BTL
H-bridge
H-bridge
H-bridge
19

´ 3
 
18