Alpine IVA-D310R Service Manual page 38

A
Schematic Diagram(9/18)
1
R3708 4.7k -1/4
R3709 4.7k
-1/4
R3733 4.7k -1/4
CB3701
5569-12A1
PWR-ON CONT DC/DC+15/-10V CONT
ACC-ON CONT -10V
STEPDN+4V GND
STEPDN+7V +15V
BATT STEPDN+9V
BATT GND
2
3
4
5
A
B C
D3701
MA113
STEP_DN+7V
DVD+5V CONT
DVD+2.80V
R3713
2.2 -1/4
STEP_DN+4V
R3714
2.2 -1/4
DVD+1V CONT
DVD+5V
STEP_DN+9V
R3722
0
DVD+3.3V CONT
B C
D
SERVO+5V
Vo=Vcx(R1+R2)/R1
IC3702 Vc=1.225
BA00ASFP
R2=11k
R1=3.3k+270=3.57k
Vo=1.225x(3.57k+11k)/3.57k
1 2 3 4 5 Vo=5.00V
MAX:200mA SERVO+5V
R2
R1
GND
DVD+1V
IC3703
BA00BC0WFP Vo=Vcx(R1+R2)/R1
IC3704
Vc=1.250
PQ012FZ01ZPH
R2=15k
R1=12k
Vo=1.25x(12k+15k)/12k
1 2 3 4 5 1 2 3 4 5
Vo=2.81V
R2
R3736
0 -1/4
R1
50mA
5 4
1 2 3
D
- 38 -
TO P. W. BOARD
E F
IVA-D310R/IVA-D310RB
CH3701
IMSA-9852S-26Y900
TP3702
1 AGND
AGND
TP3715 2
3 BATT
BATT
4
AGND
5
TP3716
PGND
6
GND STEPDN+9V
7
TP3717
STEPDN+9V
TP3718 8
STEPDN+4V
9
TP3703
DVD+3.3V CONT
TP3719 10
+15V
11
TP3704
-10V
TP3705 12
DVD+5V/7V CONT
13
TP3720
STEPDN+7V
14
STEPDN+7V
15
TP3706
SERVO+5V
16
SERVO+5V
17
TP3721
PGND
18
PGND
19
TP3701
DVD+5V
TP3708 20
DVD+1V
21
TP3709
ACC-ON CONT
TP3710 22
23 PWR-ON CONT
TP3711
DVD+1V CONT
TP3712 24
25 DC/DC+15/-10V CONT
TP3713
REPPING
26
T3701
E3702 N.U.
R3732
3 4
N.U. N.U.
C3714 2 C3715
1 6
N.U.
N.U.
GND
ƒ To CHASSIS
MAX340mA
POWER P.W.Board
NOTE:N.U.is Not Used Parts.
E F
TO PARTS LIST
1
2
CB3702
N.U.
1
2
3
4
5
TO CONTENTS