JVC MX-DVA5 Service Manual page 31

L4959 (RIC1) : Voltage regulator
1.Pin layout
TAB CONNECTED TO PIN 6
2.Block diagram
2/10
V S
REF
GEN
8
EN 8V
7
EN 12V(a)
5
EN 12V(b)
D97AU569C
3.Pin function
Symbol
Pin No.
1 OUT 12V (b)
2 V
S
3 OUT 5.6V
4 N.C.
5 EN 12V (b)
6 GND
7 EN 12V (a)
8 EN 8.6V
9 OUT 8.6
10 V
S
11 OUT 12V (a)
11 OUT 12V(a)
10 V
S
9 OUT 8.6V
8 EN 8.6V
7 EN 12V(a)
6 GND
5 EN 12V(b)
4 N.C.
3 OUT 5.6V
2 V
S
1 OUT 12V(b)
D97AU716A
12V/1.3A SWITCHED OUTPUT VOLTAGE
Supply Voltage
5.6V/250mA OUTPUT VOLTAGE
not connected
Enable 12V/1.3A SWITCHED OUTPUT VOLTAGE
Ground
Enable 12V/0.8A SWITCHED OUTPUT VOLTAGE
Enable 8.6V/0.6A SWITCHED OUTPUT VOLTAGE
8.6V/0.6A SWITCHED OUTPUT VOLTAGE
Supply Voltage
12V/0.8A SWITCHED OUTPUT VOLTAGE
5.6V, 250mA
REGULATOR
8.6V, 600mA
REGULATOR
SWITCHED
12V, 800mA 11
REGULATOR
SWITCHED
12V, 1.3A
REGULATOR
SWITCHED
Function
MX-DVA5
3
OUT 5.6V
9
OUT 8.6V
OUT 12V(a)
1
OUT 12V(b)
GND
6
1-31