Panasonic SA-DK3 Service Manual page 140

SCHEMATIC DIAGRAM-2
: POSITIVE VOLTAGE LINE
R2502
270
B6
B7
B8
IC2511
BA5983FM-E2
STEPPING MOTOR,
FOCUS/TRACKING COIL DRIVE
1.7V
1
R2511
20K
1.7V
B3 2
1.7V
3
R2512 R2513
27K 33K
1.7V
B4 4
R2514 20K
1.7V
5
1.7V
6
R2515 R2516
27K 33K
1.7V
B5 7
C2513
0.1
8
( 3.3V )
0V
9
5V
10
( 2.6V )
0.8V
C3 11
( 2.6V )
0.8V
C1 12
( 2.6V )
0.8V
C2 13
( 2.6V )
0.8V
C4 14
1
( 2.9V )
5V
D8 2
( 2.9V )
5V
D9 3
4
( 2.9V )
5V
D10 5
( 2.9V )
5V
D11 6
R2501
( 2.9V )
270
5V
D14 7
( 2.9V )
5V
D12 8
( 2.9V )
5V
D13 9
( 3.3V )
0V
10
11
( 1.6V )
2.7V
12
3.3V
13
14
5V
5V
9V
BIASIN PREV 28
CC
1.7V
OPIN1+ OPIN4+ 27
1.5V
OPIN1- OPIN4- 26
1.5V
OPOUT1 OPOUT4 25
1.7V
OPIN2+ OPIN3+ 24
1.5V
OPIN2- OPIN3- 23
1.5V
OPOUT2 OPOUT3 22
GND GND 21
( 3.3V )
0V
STBY1 STBY2 20
9V
POWV 1 POWV 2 19
CC CC
3.5V
VO2- VO3- 18
( 5.3V )
3.8V
VO2+ VO3+ 17
3.5V
VO1- VO4- 16
( 5.3V )
3.8V
VO1+ VO4+ 15
IC2501 IC2501
AN8480NSB-E1 AN8480NSB-E1
SPINDLE MOTOR DRIVE SPINDLE MOTOR DRIVE
( 7.8V )
0V
28
PG A1
( 7.8V )
0V
27
H1+ A2
( 7.8V )
0V
26
H1- A3
25
NC NC
24
H2+ NC
23
H2- NC
R2503
0.39
9V
22
VH CS1
9V
21
H3+ VM
( 0.7V )
0V
20
H3- PCI
19
SS NC
1.7V
18
TFLG EC
1.7V
17
FG ECR
5V
16
BRK Vcc
C2509
0.1
15
NC SG
5V
R2522
7.5K
R2521
10K
B9
R2520
12K
R2519
7.5K
R2517 R2518
12K 10K
B10
D3
D2
D4
D1
D5
D6
D7
C2506
0.1
C2507 0.1
B11
C2508
0.1