Memorex MVDT2002SM Service Manual page 99

A B
NC
0 0 0 0.1
4 3 2 1
-
8 +
+
-
5 6 7 8
0.2 0.2 0.3 5.2
R2361
2.2K
2.1V
C2350
DM3P(05SD)
B
1
C2329_1
7 FROM/TO LOADER
CP2301
6.3V 47 KA
09-5000-024-001-001
C2331
1 GND JG015
0.1 B OPU_F
2 F
OPU_VREF
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)
JG011
OPU_B
10 B
6
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
TR-
22 T RTN
5
FO+
23 F DRV
FO-
24 F RTN
CP2302
TP2303
00_6232_005_006_800+
MOT_LD-
5 LD-
MOT_LD+
4 LD+
R2353
TOUT_SW
3 OPEN
100
2 GND(D)
R2352
TIN_SW
1 CLOSE
100
TP2305
TP2304
4
P.CON+3.3V
CP2303
00_6232_006_006_800+
TP2306
6 SW(GND)
R2349
HOME
5 LIMIT SW
100 MOT_SLED-
4 SLD-
MOT_SLED+
3 SLD+
MOT_SPDL-
3
2 SP1-
MOT_SPDL+
1 SP1+
FROM AUDIO/VIDEO
CD_LD_CTL
2
CAUTION
:SINCE THESE PARTS MARKED BY
1
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
A B
C
MOTOR DRIVER SCHEMATIC DIAGRAM
W847
VR_CD
VR_DVD
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
DVD/CD SW
3.3K
Q2304
0
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
MMZ1608R102CT
DVDLD
C2341_1
B2302
100 KA
CDLD 6.3V
0
MMZ1608R102CT
3.0 R2333
W816
CD LD CTL
Q2302 220
2SA2048
3.2
R2340
TP2308
6.8
R2341
JG019
6.8
B2305
MMZ1608R102CT
(D_GND)
ATTENTION
ARE :LES PIECES REPAREES PAR UN
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
C
D E
(DVD PCB) (MFR'S VERSION B)
(RF_GND)
RF_A5V
TRACK_PWM
FOCUS_PWM
R2338
12K
0 4.0 2.6 2.6 1.5 1.5
36 35
1 2
0 0
C2313
0.1 B
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
ETANT
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F G
W804
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
34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
38
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
37
8.8 0.8 0.9 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
C2302 0.1 B
R2357
R2303
2.2 R2358
1K
C2303
0.1 B
120
R2304 2.2
C2307 0.1 B
JG057
JG058
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
F G
H
8
FROM/TO MPEG/MICON/DSP/RF_AMP
DVD_CD
DVD_LD
CD_LD
VR_DVD
VR_CD
RF
OPU_A
OPU_B
OPU_C
OPU_D 7
OPU_E
OPU_F
VC
HOME
GND
(GND,D_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
DME031
1
H