Read Sharp XL-DV50 (serv.man2) Service Manual online
XL-DV50H
4 – 5
M
M
1
2
3
4
5
6
6
5
4
3
2
1
D
C
B
A
RESET#
S
LD
LD
XS
S
XS
XS
S0
1
S1
2
S2
3
GND
4
SDA
5
SCL
6
WC
7
VCC
8
U10
24C02
NC
1
GND
2
NC
3
RES
4
VDD
5
U12
V6300
RESET
RESET
VCC
GND
VCC
GND
SERIAL
EEPROM
STB
CLID
CLID
BUSY
CLK
CLK
DI
DO
DO
1
2
3
4
5
6
7
2
3
4
5
6
7
J5
CON7 GND
SDATA
RFOUT
PVC
PD
DVDLDO
PVC
FOCUS–
G
SCSJ
CDLDO
B
C
PD
VRDVD
FEI
VRCD
TRACK+
TRACK–
E
F
A
CEI
CDLD
TEI
SBAD
RF50V
D
DVDLD
FOCUS+
SCLK
RF50V
R64 1K
R65 1K
R65 1K
DVDFRP
1
DVDRFN
2
A2
3
B2
4
C2
5
D2
6
CP
7
CN
8
D
9
C
10
B
11
A
12
CD_D
13
CD_C
14
CD_B
15
CD_A
16
CD_F
17
CD_E
18
VPB
19
VC
20
DVDLD
21
CDLD
22
DVDPD
23
CDPD
24
VNB
25
LDON
26
MIRR
27
MP
28
MB
29
MLPF
30
MIN
31
MEVO
32
RFDC
64
RFSIN
63
ATOP
62
ATON
61
AIN
60
AIP
59
VPA
58
RFAC
57
BYP
56
DIN
55
DIP
54
FNP
53
FNN
52
VNA
51
MEV
50
RX
49
SDEN
48
SDATA
47
SCLK
46
V33
45
LCP
44
LCN
43
MNTR
42
CE
41
FE
40
TE
39
PI
38
V25
37
V125
36
TPH
35
DFT
34
LINK
33
U7
ES6603S
RF AMP.
RF AMP.
1
3
2
4
Q10
2SB1132
1
3
2
4
Q11
2SB1132
R67 1K
R68
1K
RF50V
RFGND
RF33V
SLED–
SLED+
LOAD–/DCMO–
LOAD+/DCMO+
LOAD+/DCMO+
MGND
2
3
1
Q12
2SK3018
2
3
1
Q13
2SK3018
2SK3018
1
2
3
4
5
6
2
3
4
5
6
J4
CON6
LDON MIRR
FO–
24
FO+
23
GND(NC)
22
GND(NC)
21
LD(CD)
20
(GND)
19
VR(CD)
18
PD
17
GND(NC)
16
VR(DVD)
15
(GND)
14
LD(DVD)
13
B
12
E
11
D
10
C
9
(GND)
8
H
7
G
6
A
5
(VCC)
4
VS(VCC)
3
F
2
RFOUT
1
TR+
25
TR–
26
GND
27
GND
28
GND
29
GND
30
JP1B
KHM-280 (JP26-0.5MM)
RF50V
RF50V
RFGND
RFGND
LOAD-/DCMO–
LOAD+/DCMO+
+
–
3
2
1
8
4
U6A
TL3472
AMP.
MVCC
MGND
TRACK–
TRACK+
LOAD–/DCMO–
MVCC
LOAD+/DCMO+
D6
RLS4148
VINFC
1
CFCERR1
2
CFCERR2
3
VINSL+
4
VINSL–
5
VOSL
6
VNFFC
7
VCC
8
PVCC1
9
PGND
10
VOSL–
11
VOSL+
12
VOFC–
13
VOFC+
14
STBY
28
BIAS
27
VINTK
26
CTKERR1
25
CTKERR2
24
VINLD
23
PREGND
22
PVCC2
21
VNFTK
20
PGND
19
VOLD–
18
VOLD+
17
VOTK–
16
VOTK+
15
GND
29
GND
30
U8
BA5954FP
MOTOR
D
RIVER
MVCC
MGND
VCC
MGND
FOCUS
SLEGN
TRACK
SPINDLE
1
2
3
4
5
6
7
2
3
4
5
6
7
J2
CON7
1
2
3
4
2
3
4
J1
CON4
L_OUT
R_OUT
SUB_OUT
SUB_OUT
GNDA
RF
1
F
2
VC
3
VCC
4
A
5
G
6
H
7
GND(PDIC)
8
C
9
D
10
E
11
B
12
LD(650nm)
13
GND(650nm)
14
VR(650nm)
15
NC
16
PD
17
VR(780nm)
18
GND(780nm)
19
LD(780nm)
20
NC
21
NC
22
FCS+
23
FCS–
24
TRK+
25
TRK–
26
KHM-280CN
TRK+
1
TRK-
2
FCS-
3
FCS+
4
2-AX1S
6.8K
2.2K
0
0
4.7
4.7
1
2
3
4
DVD_LD
CD_LD
PD
GND
1uF
1uF
VCC
1
F
2
D
3
C
4
H
5
VC
6
RF
7
G
8
B
9
A
10
E
11
GND
12
0.1uF
0.1uF
1
2
SHORT-LAND
1
2
SHORT-LAND
SPINDLE+
1
SPINDLE–
2
SLED+
3
SLED–
4
LIMIT_SW
5
LIMIT_SW
6
MOTOR_CN
1
2
SPINDLE MOTOR
1
2
SLED MOTOR
SW-SPST
PD IC: PH561L
VCC: 4.5V-5.5V
VC:
VCC: 4.5V-5.5V
VC:
2.2V-(VCC2
A,B,C,D: Focus Erro
E,F,G,H: Track Erro
RF: RF Output
E,F,G,H: Track Erro
RF: RF Output
A
Focus+Tracking tot
a
must be 150mA RMS
o
VLD: 4.75V-
5
Spindle Motor
Rated Voltage(DC): 3.0V (1.7-6.0);
Rated load: 0.392mN.m;
Current(At rated voltage and load): 105mA or less;
Rated load: 0.392mN.m;
Current(At rated voltage and load): 105mA or less;
Sled Motor
Rated Voltage(DC): 3.0V (1.6-6.0);
Rated load: 0.392mN.m;
Current(At rated voltage and load): 92mA or less;
Rated load: 0.392mN.m;
Current(At rated voltage and load): 92mA or less;
DVD MECHANISM UNIT ASS'Y
PICKUP UNIT ASS'Y
TO MAIN PWB
TO DISPLAY PWB
TO TUNER PWB
DECORDER SECTION
Figure 4-5 BLOCK DIAGRAM (5/6)
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