Motor Drive) Schematic Diagram - Sony DVP-LS500 Service Manual

MB-108 (MOTOR DRIVE) SCHEMATIC DIAGRAM • See page 4-5 for printed wiring board.
– Ref. No.: MB-108 board; 2,000 series –
1 2 3 4
MB-108 BOARD (4/7)
A
XX MARK:NO MOUNT
NO MARK:DVD/CD PLAY
D:DVD PLAY
C:CD PLAY
B+
+3.3V
B+
MB-108 BOARD
+5V
(6/7)
GND
B
R271
XX
C203
0.001u
CN201 5P
OCSW1 1
MS-128 BOARD CKSW1 2
C204
CN001
GND 3
0.001u
(SEE PAGE 4-24) R207 100
LDM- 4
LDM+ 5
R208
GND 6
XX
C
OCSW2 7
C205 XX
TSENS 8
C206 XX
TMP 9
C207 XX
DSENS 10
C208 XX
TMM 11
C209
XX
D
SIGNAL PATH
E SPINDLE SERVO(SPEED AND PHASE)
TRACKING SERVO DVD/CD CDV
SLED SERVO DVD/CD
FOCUS SERVO
F
G
FDRV+
FDRV-
TDRV+
TDRV-
H SLE
SLDA
SLDB
MB-108 BOARD
(2/7)
I
MDSO
MDPO
LMCTL
LMP
LMM
J
05
• Waveforms
2 IC403 tj
1 IC403 tg
700 mVp-p (H)
1 Vp-p (H)
5 6 7 8
R214
10k
R250
R216
100k
1k
OCSW1 0.5%
CKSW1
R232
R217
33k
1k
LDM-
C216
R218
LDM+
220p
120k
R219
120k
R230
C226
33k
220p
1.7
C215 IN1-
R220
R239
100p
150k
33k CL201 1.7
OUT1
C217
XX
1.7
R228 XX
IN2+
C225
R221
100p 1.7
150k
R238 IN2-
33k
CL202
1.7
OUT2
R237 C227
XX
XX 1.7
IN3+
R222
56k
1.7
IN3-
C228
0.001u CL203
1.7
OUT3
R240
33k 1.7
R223
IN4+
56k
1.7
IN4-
C229
CL204
0.001u 1.7
OUT4
R241
33k 1.7
IN5+
R242
220k
R225
10k
C218
1500p
R233
R226
470k
470k
R229 C230
10k 4700p
C214
0.015u
C219
R227 0.1u
120k
C220
0.1u
R224 R231
270k 680k
3 IC403 tl
700 mVp-p (H)
4-15
9 10 11
B+
B+
R259
10k
C258
0.01u
R254 C249
R261
100k 0.01u
10k
0.5%
R253
56k R262
0.5% 330
C246
C259
0.033u
0.001u
C240
0.033u
10.3
1.7
1.7 1.7 1.7 5
48 47 46 45 44 43 52 42 41 40 39 38 37
5
D01-
5
D02+
5
D02-
PGND1
IC202
5
D03+
FOCUS/TRACKING
5
COIL DRIVE,
SPINDLE/SLED/ D03-
LOADING
MOTOR DRIVE
IC202
FAN8034L
5
D04+
5
D04-
D3.3/C4.2
D05+
D6.7/C5.9
D05-
PGND2
5
D06+
13 14 15 16 17 18 50 19 20 21 22 23 24
C250
C268
0.01u
XX
R243
470k
R252
33k
4 IC403 ya
700 mVp-p (H)
12 13 14 15
B+
MB-108 BOARD (1/7,2/7)
SVC
SPFG MB-108 BOARD (2/7)
B+
FCS+
R257
C222
XX
XX
FCS-
R258 C223
XX XX TRK+
R275 C231
XX XX TRK-
C270
0.01u
R276
C274
XX
XX
FCS+
SLA+
FSC+
FCS-
SLA-
FSC-
MB-108 BOARD
TRK+
TRK+ (1/7)
TRK-
TRK-
SLB+
SLB-
SPM-
C272
0.1u SPM+
LDM+ SLB+
SLB+
SLA-
SLA-
SLB-
SLB-
MB-108 BOARD
SLA+
SLA+ (1/7)
SPM-
C273
SPM-
0.1u
SPM+
SPM+
INL_IM
MB-108 BOARD
INLIM
(1/7,2/7)
LDM-
B+
R269
10k
TSD
MB-108 BOARD
SPMUTE (2/7)
XDRVMUTE MB-108 BOARD (5/7)
OCSW1
OCSW1
MB-108 BOARD
CKSW1
CKSW1 (5/7)
B+ JL247 B+
+11V
MB-108 BOARD
JL248
(6/7)
M_GND
C271
47u
16V
5 IC403 yd 6 IC403 yg
800 mVp-p (H) 1.2 Vp-p (H)
4-16
DVP-LS500
16
MOTOR DRIVE
MB-108 (4/7)