Memorex MVDT2002SM Service Manual page 171

A B
8
DM3S
FROM/TO LOADER
CP2301_1
LD07T2-24ND-03
TR-
7
1 T-
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)
82
12 GND(CD)
DVD/CDPD
13 MON(COM)
6
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
24 GND(PDIC)
0.1 F
5
C2315
0.1 F
TO LOADER
OPU_VREF
C2328_1
CP2302
TP2303
00_6232_005_006_800+
MOT_LD- 6.3V 47
5 LD-
MOT_LD+ C2348
4 LD+
R2353
TOUT_SW
3 OPEN 1
100
2 GND(D)
R2352
TIN_SW
1 CLOSE
100
B2305
TP2305
TP2304
MMZ1608R102CT
4
P.CON+3.3V
FROM/TO LOADER
CP2303
00_6232_006_006_800+
TP2306
6 SW(GND)
R2349
HOME
5 LIMIT SW
100 MOT_SLED-
3
4 SLD-
MOT_SLED+
3 SLD+
MOT_SPDL-
2 SP1-
MOT_SPDL+
1 SP1+
2
NOTE:THE DC VOLTAGE EACH PART WAS
1
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
A B
G-5
C
JG017 JG018
R2306
VR DVD
Q2303
6.8
0
VR DVD 2SC3052-T1
R2346 R2318
Q2305 DVD LD
CTL
2SC3052-T1
0 0.7
3.3K 6.8
4.5
Q2301
0.1
R2348 R2332
2SA1036K 3.9
0.1
3.3K 220
0 1.0
0.1 TP2307
R2347
0.7
DVD/CD
3.3K C2340_1
0
Q2304
2SC3052-T1
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
R2341 6.8
KA
JG019 6.8
B
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
MOTOR DRIVE SCHEMATIC DIAGRAM
(DVD PCB)
RF_A5V
FOCUS_PWM
R2313
4.7K
TRACK_PWM
R2338
4.7K
NC NC 0 NC 6.0 NC
0 4.0 3.1 3.1 1.6 0 1.6 1.6 0 1.6 0
44 43 42 41 40 39 38 37 36 35 34 33 32
1 2 3 4 5 6 7 8 9 10 11 12 13
0 0 6.0 0 0.5 0.5 2.6 2.6 2.5 2.8 0 0 3.5
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 ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D E
F G
B2304
MMZ1608R102CT
B2303
MMZ1608R102CT
R2339
1.2K
R2320
4.7K
VC2
NC 0 NC 1.8 0 NC
1.6 0 1.6 1.6 0 1.6
31 30 29 28 27 26 25 24 23
14 15 16 17 18 19 20 21 22
1.7 2.6 2.6 0 NC 6.0 6.0 0 1.6 1.6
R2325
6.8K
R2328
4.7K
R2357 1K
R2358
120
C2307 0.1 B
JG057
JG058
ATTENTION
: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
7
OPU_F
VC
HOME
GND
GND
TOUT_SW
TIN_SW
P.CON+A5V
TRACK_PWM
FOCUS_PWM
P.CON+3.3V
DRVSB
6
SPINDLE_PWM
SLED_PWM
VCC+6V
M_GND
SPDL_SENS+
SPDL_SENS-
TP2323
5
TRAY_CLOSE
TP2324
TRAY_OPEN
4
3
2
PCB130
DME060
1
H
G-6