Memorex MVDT2002SM Service Manual page 61

A B
NC
4 3 2 1
8
-
+
+
-
5 6 7 8
R2361
2.2K
2.1V
C2350
DM3P(05SD)
1 B
7
C2329_1
FROM/TO LOADER
CP2301
6.3V 47 KA
09-5000-024-001-001
C2331
1 GND JG015
0.1 B
OPU_F
2 F
3 Vref
JG012
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)
6 JG011
OPU_B
10 B
JG010
OPU_A
11 A
DVD/VR
12 VR(DVD)
13 VR COM
14 VR(CD)
15 GND
CDLD
16 LD(CD)
17 PD/GND
DVDLD
18 LD(DVD)
19 GND
JG056
20 NC NC
TR+
21 T DRV
5 TR-
22 T RTN
FO+
23 F DRV
FO-
24 F RTN
CP2302
TP2303
00_6232_005_006_800+
MOT_LD-
5 LD-
DVDLD
MOT_LD+
4 LD+
R2353 MMZ1608R102CT
TOUT_SW
3 OPEN
100
2 GND(D)
R2352
TIN_SW
CDLD
1 CLOSE
100
MMZ1608R102CT
TP2305
4
TP2304
P.CON+3.3V
B2305
CP2303 MMZ1608R102CT
00_6232_006_006_800+
TP2306
6 SW(GND)
R2349
HOME
5 LIMIT SW
100 MOT_SLED-
4 SLD-
MOT_SLED+
3 3 SLD+
MOT_SPDL-
2 SP1-
MOT_SPDL+
1 SP1+
TO AUDIO/VIDEO
CD_LD_CTL
RF_GND
2
1
A B
G-5
C
MOTOR DRIVE SCHEMATIC DIAGRAM
W849
W847
DVD/CD CTL DVD/VR CTL
Q2305 Q2303
KTC3875S_Y_RTK KTC3875S_Y_RTK
0.2 0
R2348 R2346
0 0.7
3.3K 3.3K
0 0
W843
0
R2347
0.7
3.3K
0
DVD/CD CTL
Q2304
KTC3875S_Y_RTK
JG017 JG018
R2306
6.8
R2318
DVD LD CTL
6.8
Q2301 2.6
R2332
2SA1036K 1.9
220
2.3
TP2307
C2340_1
B2301 6.3V 100 KA
C2341_1
B2302
6.3V 100 KA
0
3.0 R2333
W816
CD LD CTL
Q2302 220
2SA2048
3.2
R2340
TP2308
6.8
R2341
JG019
6.8
D_GND
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(DVD PCB)
W806
RF_GND
W807
W810
RF_A5V
TRACK_PWM
FOCUS_PWM
R2338
12K
0 4.0 2.6 2.6 1.5 1.5
36 35 34 33 32
1 2 3 4 5
0 0 8.8 0.8 0.9
C2313
0.1 B
C2302 0.1 B
R2303 2.2
C2303 0.1 B
R2304 2.2
NOTE:THE DC VOLTAGE EACH PART WAS
D E
F G
B2304
MMZ1608R102CT
B2303
MMZ1608R102CT
R2339
1.2K
VC2
NC NC NC NC NC NC
1.6 1.5 0 0 1.0 2.5 4.2 0 1.5 1.5 1.7 1.5 1.5
31 30 29 28 27 26 25 24 23 22 21 20 19
38
6 7 8 9 10 11 12 13 14 15 16 17 18
37
4.1 4.1 4.1 4.1 0 5.1 3.0 4.0 4.1 8.8 8.8 1.5 1.5 1.5
R2325
6.8K
R2328
4.7K
R2357
R2358
1K
120
C2307 0.1 B
JG057
JG058
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
F G
H
8
FROM/TO MPEG/MICON/DSP
DVD_CD
DVD_LD
CD_LD
VR_DVD
VR_CD
RF
OPU_A
OPU_B
7
OPU_C
OPU_D
OPU_E
OPU_F
VC
HOME
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+
5
SPDL_SENS-
TP2323
TRAY_CLOSE
TP2324
TRAY_OPEN
4
3
2
PCB130
VMD348
1
H
G-6