JVC MX-G65V, Руководство по обслуживанию

Страница: 40 / 89

MX-G68V/MX-G65V
1-40
1. Pin layout
1 2 3 4 5 6 7 8 9 10 11 12 13 14
15 16 17 18 19 20 21 22 23 24 25 26 27 28
DO
1
.1
DO
1
.2
DI1
.1
DI1
.2
RE
B
RE
O
MU
T
E
GN
D
1
DI5
.1
DI2
DO
2
.1
DO
2
.2
GN
D
2
DI5
.2
GN
D
3
DO
4
.2
DO
4
.2
DI4
.2
DI4
.1
VR
E
F
V
CC2
V
CC1
LD
C
T
L
DI3 DO
3
.2
DO
3
.1
DO
5
.2
DO
5
.1
FIN
(GND)
FIN
(GND)
KA9259D
KA9259D (SIC3) : 5-ch Motor driver
3. Pin function
Pin No. Symbol I/O Function Pin No. Symbol I/O Function
1 DO1.1 O Focus output 1 (
−
) 15 DO5.1 O Loading output 1(+)
2 DO1.2 O Focus output 2 (+) 16 DO5.2 O Loading output 2(
−
)
3 DI1.1 I Focus input 1 17 DO3.1 O Sled output (
−
)
4 DI1.2 I Focus input 2 (Adjustable) 18 DO3.2 O Sled output (+)
5 REB O Regulator base 19 DI3 I Sled input
6 REO O Regulator output, 5V 20 LD CTL I Loading motor speed control
7 MUTE I Mute 21 V
CC1
−
Supply voltage 1
8 GND1
−
Ground 1 22 V
CC2
−
Supply voltage 2
9 DI5.1 I Loading input 1 23 VREF I 2.5V bias
10 DI2 I Spindle input 2 24 DI4.1 I Tracking input 1 (Adjustable)
11 DO2.1 O Spindle output (+) 25 DI4.2 I Tracking input 2
12 DO2.2 O Spindle output (
−
) 26 DO4.1 O Tracking output 1 (+)
13 GND2
−
Ground 2 27 DO4.2 O Tracking output 2 (
−
)
14 DI5.2 I Loading input 2 28 GND3
−
Ground 3
2. Block diaguram
+ −
Level
shift
Regulator
Mute
−
+
10k
10k
50k
10k
50k
+
−
10k
+
−
+
−
+
−
+
−
1 2 3 4 5 6 8 9 10 11 12 13
15 16 17 18 19 20 21 22 23 24 25 26 27 28
10k
TSD
+
−
Level
shift Level
shift
Level
shift
10k
10k
10k
10k
10k
−
−
+
+
7 14
O1
.1
O1
.2
I1.1 I1.2
RE
B
RE
O
UT
E
ND1
I5.1
DI2
O2
.1
O2
.2
ND2
I5.2
GN
D
3
DO
4
.2
DO
4
.1
DI4
.2
DI4
.1
VR
E
F
LD
C
T
L
DI3 DO
3
.2
DO
3
.1
DO
5
.2
DO
5
.1
+
−
+
−
COMP
Level
shift
V
CC
2
FIN
(GND)
V
CC
1
FIN
(GND)
2.5V