Motor Drive) Schematic Diagram - Sony DVP-CX875P Service Manual

MB-107 (MOTOR DRIVE) SCHEMATIC DIAGRAM • See page 4-9 for printed wiring board.
– Ref. No.: MB-107 board; 3,000 series –
1 2 3
MB-107 BOARD (4/10)
NO MARK:PB MODE
A
B+
+3.3V
B+
MB-107 BOARD
+5V
(6/10)
GND
B
C
D
E
FDRV+
F
FDRV-
TDRV+
TDRV-
SLE
SLDA
SLDB
G
MB-107 BOARD
(2/10)
MDSO
H
MDPO
LMCTL
LMP
LMM
I
05
4 5 6 7
R232
33k
C216
R218
220p
120k
R219
120k
R230 C226
33k 220p
1.7
C215
R220
R239
100p
150k CL201
33k 1.7
R221
150k
1.7
C225
100p
1.7
R238
CL202
33k 1.7
1.7
R222
56k
1.7
C228
0.001u
CL203 1.7
R240
33k 1.7
R223
56k
1.7
C229
0.001u
CL204 1.7
R241
1.7
33k
R242
220k
R225
10k
C218
1500p
C230
R226 R233
R229 4700p
470k 470k
10k
C214 R243
470k
0.015u
C219
R227
0.1u
120k
C220
0.1u
R224 R231
270k 680k
4-19
8 9 10 11
B+
R259
10k
C258
0.01u
R254
R250 C249
R261
100k 100k 0.01u
10k
0.5% 0.5%
R253
56k R262
0.5% 330
C246
C259
0.033u
0.001u
C240
0.033u
1.7
1.7 1.7 5.1
48 47 46 45 44 43 52 42 41 40 39 38 37
IN1- DO1-
OUT1 DO2+
IN2+ DO2-
IN2- PGND1
OUT2 DO3+
IC202
IN3+ DO3-
FOCUS/TRACKING
COIL DRIVE
SPINDLE/SLED/
LOADING
MOTOR DRIVE
IC202
FAN8034L
IN3- DO4+
OUT3 DO4-
IN4+ DO5+
IN4- DO5-
OUT4 PGND2
IN5+ DO6+
13 14 15 16 17 18 50 19 20 21 22 23 24
5.1
1.7 0
C250
R252 0.01u
33k
12 13 14
SIGNAL PATH
SPINDLE SERVO(SPEED AND PHASE)
TRACKING SERVO DVD/CD CDV
B+
SLED SERVO DVD/CD
FOCUS SERVO
SVC
SPFG
B+
FCS+ FCS+
FCS+
FCS-
FCS-
TRK+
TRK+
TRK-
TRK-
SLA+
SLA+
SLA-
SLA-
SLB+
5.2
FCS- SLB+
SLB-
SLB-
5.1
TRK+ SPM-
SPM-
SPM+
5.2 TRK- SPM+
C270
0.01u
5.1
SLA+
5.3 SLA-
5.1
SLB+
5.2
SLB-
3.7
SPM-
6.5
SPM+
C272
0.1u
5.1
LDM+
LDM-
R269
10k
TSD
SPMUTE
XDRVMUTE
B+
JL247
+11V
B+
JL248
M_GND
C271
47u 16V
4-20
DVP-CX875P
15
MB-107 BOARD
(1/10,2/10)
MB-107 BOARD
(2/10)
MB-107 BOARD
(1/10)
MB-107 BOARD
(6/10)
MB-107 BOARD
(2/10)
MB-107 BOARD
(5/10)
MB-107 BOARD
(6/10)
MOTOR DRIVE
MB-107 (4/10)