JVC UX-M5R - Power Amplifier and Regulator ICs; LM1876 TF (IC402): Power Amplifier Pin Function; NJM7812 A (IC302): Regulator Pin Function

UX-M5R
1-27
1. Terminal layout
2. Pin function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
OUT B
VCC A
OUT A
-Vcc
GND A
MUTE A
-IN A
+IN A
Standby A
GND B
MUTE B
-IN B
+IN B
Standby B
VCC B
O
-
O
-
-
-
I
I
-
-
-
I
I
-
-
B output
A V+
A output
V-
Power terminal
Control
A -input
A +input
Control
Power terminal
Control
B -input
B +input
Control
B V+
Pin No. Symbol I/O Function
LM1876TF (IC402) : Overture audio power amplifier series
1
5
2
96
8
7
13
12
10
15 14
11
1
3
4
AMP A
AMP B
MUTE A
Standby A
VCC AGND A
23456 78910 111213 1415
MUTE BVCC BGND B
Standby B
+IN A
-IN A
+IN B
-IN B
OUT B
OUT A
-VCC
3. Block diagram
LM1876TF
1 2 3
1. Terminal layout
NJM7812A (IC302) : Regulator
1.INPUT
2.OUTPUT (+12V)
3.GND
2. Block diagram
BANDGAP REFERENCE
1
INPUT
THERMAL SHUTDOWN
OVER VOLTAGE PROTECTION
SOA PROTECTION
SHORT CIRCUIT
PROTECTION
3
GND
2
OUTPUT
R1
R2