Panasonic SA-VKX95EE - Backend Motor Driver Circuit

65
12.6. Backend (Motor Driver) Circuit
A
1
2 3 4 5 6 7 8 9 10 11 12 13 14
1 2 3 4 5 6 7 8 9 10 11 12 13 14
C
D
B
E
G
H
F
A
C
D
B
E
G
H
F
A
BACKEND (MOTOR DRIVER) CIRCUIT
SCHEMATIC DIAGRAM - 5
SA-VKX95EE/GA/GS BACKEND (MOTOR DRIVER) CIRCUIT
: +B SIGNAL LINE
TO LOADING P.C.B.
(DVD MECHANISM UNIT)
TO TRAVERSE P.C.B.
(DVD MECHANISM UNIT)
DV: BACKEND (DV5U): SCHEMATIC DIAGRAM - 1 ~ 4
MD: BACKEND (MOTOR DRIVER): SCHEMATIC DIAGRAM - 5
VI: BACKEND (VIDEO): SCHEMATIC DIAGRAM - 6
HD: BACKEND (HDMI): SCHEMATIC DIAGRAM - 7
2
4
3
1
6
5
FP8251
2
3
1
5
4
FP8252
R8260
10K 10K
R8259
R8263
4.7K
R8261
10K
R8262
10K
L8251
J0JHC0000117
K8251 0
R8267
68K
R8269
68K
R8268
18K
3
1
2
4
5
IC8252
C0ABGA000090
OP-AMP
18KR8270
K8252
0
0.1
C8256
0.1
C8557
1K
R8264
C8251
6.3V100
C8252
16V47
2
1
27
5
24
25
22
17
19
18
15
16
30
20
21
7
11
10
13
14
12
8
29
9
23
6
3
4
26
28
C0GBY0000117
5CH MOTOR DIVER
IC8251
6.19K
R8258
1KR8265
J0JHC0000117
L8252
VOFC-
VOSP-
VOFC+
VINSP
REG02
VINFC
TRB1
VOSP+
VCC(9V)
VOLD-
REV
REG01
FWD
VOLD+
GND
IN+
VDD
IN-
OUT
GND
VINSL
VINTK
BIAS
NC
TRB2
GND(FIN)
DGND
CLOSE_SW
LD+
LD-
OPEN_SW
MUTE
NC
VOTK-
VOSL-
VOSL+
VOTK+
VCTL
SP-
SP+
TR+
TR-
DGND
INNER_SW
PVCC
GND(FIN)
PW_M_+5V
DV
D_GND
DV
INNER_SW
DV
VHALF
DV
LD_CW
DV
LD_CCW
DV
MGND
DV
PW_M_+9V
DV
CLOSE_SW
DV
OPEN_SW
DV
PW_DVD_+3R3V
DV
SP_DRV
DV
F-
DV
F+
DV
T+
DV
T-
DV
FB
DV
TRDRV
DV
MUTE
DV
FODRV
DV
TRV_DRV
DV
DGND
DV
HD
HD
HD
LB8252 J0JGC0000063
LB8251 J0JGC0000063
LB8255 J0JGC0000063
LB8254 J0JGC0000063
LB8253 J0JGC0000063
LB8256 J0JGC0000063
LB8257 J0JGC0000063
LB8259 J0JGC0000063
LB8250 J0JGC0000063
LB8012 J0JGC0000063
LB8258 J0JGC0000063