Toshiba MW20H63 Circuit Diagrams page 22

A B
8
DM3S/3O
FROM/TO LOADER
CP2301
LD07T2-24ND-03
7
1 GND
JG015
OPU_F
2 F
JG012
OPU_VREF
3 Vref
4 VCC
JG014
OPU_E
5 E
JG013
OPU_D
6 D
JG040
OPU_C
7 C
DVD_CD
8 SW1(DVD/CD)
JG016
RF
9 VRF(RF_OUT)
JG011
OPU_B
10 B
JG010
OPU_A
11 A
DVD/VR
12 VR(DVD)
6
DVD/CDPD
13 VR COM
CD/VR
14 VR(CD)
15 GND
CDLD
16 LD
17 PD/GND
DVDLD
18 LD(DVD)
19 GND JG056
20 NC NC
TR+
21 T DRV
TR-
22 T RTN
FO+
23 F DRV
FO-
24 F RTN
C2331
5
0.1 F
C2315
TO LOADER
0.1 F
CP2302
00_6232_005_006_800+ TP2303
MOT_LD-
5 LD-
MOT_LD+
4 LD+
R2353
TOUT_SW
3 OPEN
100
2 GND(D)
R2352
TIN_SW
1 CLOSE
100
B2305
TP2305
TP2304
4
EBMS160808A102_RDC45
P.CON+3.3V
B2305 short --- +3.3V
FROM/TO LOADER
CP2303
TP2306
00_6232_006_006_800+
6 SW(GND)
R2349
HOME
3
5 LIMIT SW
100 MOT_SLED-
4 SLD-
MOT_SLED+
3 SLD+
MOT_SPDL-
2 SP1-
MOT_SPDL+
1 SP1+
2
1
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
A B
H-5
All manuals and user guides at all-guides.com
C
MOTOR DRIVE SCHEMATIC DIAGRAM
JG017 JG018
R2306
VR DVD
6.8
Q2303
VR DVD KTC3875S_Y_RTK 0 R2318
R2346
R2359 Q2305 0.7
KTC3875S_Y_RTK 6.8
0
3.3K
4.5
82
0.1
R2348 R2332
3.9
0.1
3.3K 220
0 1.0
0.1 TP2307
R2347
0.7
C2340_1
3.3K
0
DVD/CD
Q2304
6.3V 100 KA_P
KTC3875S_Y_RTK
B2301
C2341_1
EBMS160808A102_RDC45
B2302
6.3V 100 TP2308
EBMS160808A102_RDC45 KA_P
CD LD CTL
1.0
R2333
Q2302 3.9
KTA1544T-RTK/P
220
4.5
C2328_1
R2340
6.3V KA_P
47 R2341 6.8
C2348
JG019 6.8
1 B
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(DVD MT PCB)
(RF_GND)
RF_A5V
TRACK_PWM
FOCUS_PWM
R2313
4.7K
R2320
4.7K
R2322
R2338
4.7K
4.7K
NC NC NC NC
44 43 42 41 40 39 38 37 36 35 34 33
1 2 3 4 5 6 7 8 9 10 11 12
NC
C2313
0.1 B
C2302
0.1 B
R2303
2.2
C2303
0.1 B
R2304
2.2
CAUTION
:SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D E
F G
B2304
EBMS160808A102_RDC45
R2339
1.2K
VC2
NC
NC NC
32 31 30 29 28 27 26 25 24 23
13 14 15 16 17 18 19 20 21 22
NC
R2325
6.8K
R2328
4.7K
R2357
1K
R2358 120
C2307
0.1 B
JG057
JG058
ATTENTION
ARE :LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F G
H
8
FROM/TO MPEG/MICON/DSP
DVD/CD
DVD_LD
CD_LD
DVD/CDPD
RF
OPU_A
OPU_B
OPU_C
OPU_D
OPU_E
OPU_F
7
VC
HOME
GND
(RF_GND)
GND
(D_GND)
TOUT_SW
TIN_SW
P.CON+A5V
TRACK_PWM
FOCUS_PWM
P.CON+3.3V
6
VDDPWM3.3V
DRVSB
SPINDLE_PWM
VCC+6V
SLED_PWM
SPDL_SENS+
SPDL_SENS-
TP2323 5
TRAY_CLOSE
TP2324
TRAY_OPEN
M_GND
4
3
2
PCB130
DME064
1
H
H-6