JVC UX-L30UJ Service Manual

1-38
UX-L40R/UX-L30R
REG1
REG2
REG3
OVER
CURRENT
CHECK
ENABLE
CONTROL
THERMAL
SHUTDOWN
REFERENCE
GENERATOR
REG1
REG2
REG3
REF
REF+20%
6
7
9
5
4
8
11
10
14
15
1
2
3,13
VINA
VINB
VO1
FB1
VO2
FB2
VO3
FB3
GND
TRIG
OC
EN1
EN2
EN3
1 2 34 56 78 9101112131415
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Symbol
FB1
VO1
VINA
TRIG
OC
EN1
EN2
GND
EN3
FB3
VO3
N.C.
VINB
VO2
FB2
Function
REG1 feedback voltage input
REG1 output voltage
Input DC supply voltage
Trigger for external SCR (crowbar protection)
Over current warning output
REG1 enable input
REG2 enable input
Analog ground
REG3 enable input
REG3 feedback voltage input
REG3 output voltage
Not connected
Input DC supply voltage
REG2 output voltage
REG2 feedback voltage input
L4909 (IC942) : Regulator
1. Pin layout
2. Block diagram
3. Pin functions

JVC UX-L30UJ Specifications

General

Brand	JVC
Model	UX-L30UJ
Category	Stereo System
Language	English