Sharp LC-26DV24U Service Manual page 50

A B
8
C2328
C2350
DSM2(06SD)
0.1 B 6.3V 22 SJV
C2348 0.1 B
C2329
FROM/TO LOADER
6.3V 22 SJV
CP2301_1
7
LD07T2-24ND-03
C2331 0.1 B
1 GND
C2333 33P CH JG015
OPU_F
2 F
JG012 OPU_VREF
3 Vref
JG026
4 VCC
JG014 OPU_E
5 E
C2334 33P CH JG013 OPU_D
6 D
C2335 33P CH JG040
OPU_C
7 C
C2336 33P CH JG025 DVD_CD
8 SW1(DVD/CD)
JG016
9 VRF(RF_OUT)
C2337 33P CH JG011 OPU_B
10 B
C2338 33P CH JG010 OPU_A
11 A
JG027 DVD/VR
6
12 VR(DVD)
13 VR COM
JG034
14 VR(CD)
15 GND
JG035 CDLD
16 LD(CD)
JG036
17 PD/GND
JG037 DVDLD
18 LD(DVD)
19 GND JG056
20 NC NC
TR+ TP2309
21 T DRV
TR- TP2310
22 T RTN
FO+ TP2311
23 F DRV
TP2312
FO-
5 24 F RTN
TP2305
TP2303
CP2302
TP2304
04_6232_105_015_800+
R2352
TIN_SW
5 CLOSE
C2330
100
4 OPEN
10P CH
R2353
3 GND(D)
TOUT_SW
2 LD-
100
1 LD+
MOT_LD-
MOT_LD+
4
P.CON+3.3V_D
CP2303 TP2306
04_6232_106_015_800+
6 SW(GND)
R2349
HOME
5 LIMIT SW
100
MOT_SLED-
4 SLD-
MOT_SLED+
3 SLD+
MOT_SPDL-
2 SP1-
MOT_SPDL+
1 SP1+
3
2
CAUTION
:SINCE THESE PARTS MARKED BY ARE
1 CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
A B
H-5
C
MOTOR DRIVE SCHEMATIC DIAGRAM
W813
RF
W812
JG017 JG018
R2306
6.8
R2318
DVD LD CTL
2.6
6.8
Q2301
R2332
KTA1505S-Y-RTK/P
1.9
220 TP2307
2.3
C2340
DVDLD
6.3V 47 SJV
CDLD
C2341
6.3V 47 SJV
0
R2333
3.0
CD LD CTL
Q2302 220
KTA1544T-RTK/P
3.2
R2340
6.8
R2341
JG019
6.8
B2305
EBMS160808A102_RDC45
(D_GND)
ATTENTION
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
C
D E
(DVD MT PCB)
RF_A5V
FOCUS_PWM
TRACK_PWM
R2320
4.7K
R2338
TP2308
4.7K NC NC
0 4.1 3.2 3.2 1.6 0 1.6 1.6 0 1.6
44 43 42 41 40 39 38 37 36 35
1 2 3 4 5 6 7 8 9 10
0 0 6.0 0 NC 1.9 1.9 2.6 2.7 2.6 2.8
C2315
0.1 F
C2302 0.1 B
R2303 2.2
C2303 0.1 B
R2304 2.2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F G
(RF_GND)
(D_GND)
B2304
P.CON+A5V_D
EBMS160808A102_RDC45
P.CON+3.3V_D
R2313
4.7K
R2310
4.7K
VC2
NC NC NC
0 0 0 0 0 1.6 1.6 0 NC 1.8 1.6 1.6 0 NC
34 33 32 31 30 29 28 27 26 25 24 23
11 12 13 14 15 16 17 18 19 20 21 22
0 0 3.7 1.7 2.6 2.7 0 6.0 6.0 1.6 1.6 1.6 R2325
NC
6.8K
R2328
4.7K
R2357 1K
R2358
120
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
MD_DVD
MD_CD 7
DVD_CD
DVD_LD
CD_LD
RF
GND
OPU_A
OPU_B
OPU_C
OPU_D
OPU_E
OPU_F
VC
HOME
TOUT_SW
6
TIN_SW
FOCUS_PWM
TRACK_PWM
VDDPWM3.3V
DRVSB
SPINDLE_PWM
TRAY_CLOSE
TRAY_OPEN
R2339
SPDL_SENS+
1.2K
SPDL_SENS-
SLED_PWM
5
FROM AUDIO/VIDEO
P.CON+A5V_D
P.CON+3.3V_D
P.CON+6V_D
(D_GND)
GND
4
3
M_GND
2
PCB130
DMG097
1
H
H-6