Toshiba MD20F11 Service Manual page 43

A B
8
OPE AMP IC
IC2304 BA10358FV-E2
DM3S/3O
0
NC +VS
0
FROM/TO LOADER
0
CP2301
7
09-5000-024-001-001
0
TR-
1 T- -VS
TR+
2 T+
FO-
3 F-
FO+
4 F+
DVD/CDPD
5 MON(DVD)
6 NC(SW) NC
VR/DVD
7 VOL(DVD)
8 GND(DVD) JG056
DVDLD
9 LD(DVD)
CDLD
10 LD(CD)
R2359
VR/CD
11 VOL(CD)
6 12 GND(CD)
DVD/CDPD
13 MON(COM)
DVD_CD
14 DVD/CD
JG016
RF
15 RF
JG040
OPU_C
16 C
JG011
OPU_B
17 B
JG010
OPU_A
18 A
JG013
OPU_D
19 D
JG015
OPU_F
20 F
JG014
OPU_E
21 E
22 VCC
JG012
23 Vref
C2331
5 24 GND(PDIC)
0.1 F
C2315
0.1 F
OPU_VREF
TO LOADER
C2328_1
CP2302
TP2303
00_6232_005_006_800+
MOT_LD- 6.3V
5 LD-
MOT_LD+
C2348
4 LD+
R2353
TOUT_SW
3 OPEN
100
2 GND(D)
R2352
TIN_SW
1 CLOSE
100
TP2305
B2305
4
TP2304
MMZ1608R102CT
P.CON+3.3V
B2305 short --- +3.3V
FROM/TO LOADER
CP2303
00_6232_006_006_800+
TP2306
6 SW(GND)
3 R2349
HOME
5 LIMIT SW
100 MOT_SLED-
4 SLD-
MOT_SLED+
3 SLD+
MOT_SPDL-
2 SP1-
MOT_SPDL+
1 SP1+
2
1
A B
G-5
C
MOTOR DRIVE SCHEMATIC DIAGRAM
4.9
W847
0.3
0.2
R2362
3.3K
0.2
JG017 JG018
VR DVD R2306
82
Q2303
6.8
VR DVD 0
KTC3875S_Y_RTK
R2346
DVD LD R2318
Q2305
CTL
KTC3875S_Y_RTK
0 0.7
3.3K
4.5 6.8
Q2301
0.1
R2348 R2332
2SA1036K 3.9
0.1
3.3K 220
0 1.0
0.1 TP2307
R2347
0.7
DVD/CD C2340_1
3.3K
0
Q2304
KTC3875S_Y_RTK
6.3V 100 KA
B2301
MMZ1608R102CT C2341_1
B2302
TP2308
MMZ1608R102CT 6.3V 100 KA
CD LD CTL
1.0
R2333
Q2302 3.9
2SA2048
220
4.5
R2340
6.8
R2341
47 KA
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 PCB)
(RF_GND) (W806)
RF_A5V
TRACK_PWM
FOCUS_PWM
R2338
12K
0 3.4 3.3 3.3
36 35 34
1 2 3
3.3 3.3 8.9 9.6
C2313
0.1 B
C2302
R2303
C2303
R2304
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
D E
F G
(W804)
B2304
MMZ1608R102CT
B2303
MMZ1608R102CT
R2339
1.2K
VC2
NC NC NC NC NC NC
2.6 3.0 1.7 1.7 0 0 3.3 1.5 1.6 8.8 2.9 2.2 4.3 3.8 1.8
33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
38
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
37
9.6 1.4 1.4 6.6 6.6 0 6.5 6.5 6.9 6.9 8.9 8.9 1.7 2.3 2.9
R2325
6.8K
R2328
4.7K
R2357
0.1 B
2.2 R2358 1K
0.1 B
120
C2307 0.1 B
2.2
JG057
JG058
F G
H
8
FROM/TO MPEG/MICON/DSP
DVD/CD
DVD_LD
CD_LD
VR_DVD
VR_DVD
RF
OPU_A
OPU_B
OPU_C
7
OPU_D
OPU_E
OPU_F
VC
HOME
GND
GND (D_GND)
TOUT_SW
TIN_SW
P.CON+A5V
TRACK_PWM
FOCUS_PWM
P.CON+3.3V
6
DRVSB
SPINDLE_PWM
SLED_PWM
ADCIN_7
ADCIN_5
ADCIN_6
VCC+9V
M_GND
SPDL_SENS+
SPDL_SENS-
5
TP2323
TRAY_CLOSE
TP2324
TRAY_OPEN
4
3
2
PCB130
DMD020
1
H
G-6