Schematic Diagram - Sharp MD-MT15S Service Manual

MD-MT15/15C/15H/15W/161E/18H
P15 P16
P14
MAIN PWB-A1
A
PLAYBACK SIGNAL
RECORD SIGNAL
B
VCCPU
C
CN101
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
FLEXBLE
PWB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
OPTICAL PICKUP UNIT
D
IC351
HEAD DRIVER
74ACT02T
IC351
8
9
10
11
12
C357
13
0.1
VCC
14
C354
0.1
IC354
CPH5608
E
D351
SBE803
5 4 3
4 3
2
5 1
C351
1 2
56P(CH)
C361
0.039
R361
15
IC353:IC354
HEAD DRIVER
15
F
9 8 7 6 5 4 3 2 1
16 15 14 13 12 11 10
FLEXIBLE
PWB
16
G
COM
W
M
U
M901
V
SPINDLE
MOTOR
-
M902
M
SLED
+
MOTOR
MECHANISM FLEXIBLE
PWB ASS'Y
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 11.
• The numbers 1 to
1
C112
0.033
C111
IC101
0.0033
RF SIGNAL
PROCESSOR
48 47 46 45 44 43 42 41
IR3R55
ROUT
RF1
1
R
RF2
2
and
RF3
3
SW
RF4
4
C102
1
REFI
5
TP144
C103
6
1 REFO
C104
RFADD
7
0.027
TCGI
R105
8
390K
AIN
9
BIN
10
EIN
11
FIN
12
13 14 15 16
Q101
2SA17457
+B
C161
1
+B
C165
18 R161
0.033
1.2K
F-
F+
T+
TP121
T-
TP122
2
IC901
SPINDLE MOTOR
DRIVER
BA6966FV
R920
100K
GND 7
2 3
6
Q901
R909
5
C902
1
RN1113
10K
4
0.01
3
2
R905
1 11 FG GND
100K
12 BRK- CSL2
13 BRK+ CSL1
R903
14
STBY CST
330
15 RIB COM
C353
16 VCC WIN
10/6.3
C903
17 VM VIN
3.3
18 UIN
19
WOUT RF
20 VOUT UOUT
8 7 6 5
C911
0.1 +8
1 2 3 4
IC353
FTD2005
R403
1K
R922
100K
R921
330
14
+B
CN601
DCNT1
1
L609
- +
4.7 H
M
M903
L610
HEAD UP/ 13
4.7 H
DOWN
MOTOR L608
4.7 H
TP601
SLDRR
SLDRF
SPDRF
PH901
PHOTE
INTERRUPER
18 are waveform numbers shown in page 22.
2
Figure 14 SCHEMATIC DIAGRAM (1/3)
+B
C110
TP139
C107
C109
0.22
0.012
1
C106
0.22
39 38 37
40
R106
AVCC
ADAGC
56K
EFM
ADIPI
36
AGC
ADIPO
35
DIFF
34
ADLPFO
DIFF
33
ADIP
22KO
32
AGC
22KI
31 CK105
CK108
WBO
30
BIAS
LPF HPF
CK107
TCGO
29
TP133
R104
AOUT
28
22K
TP132
R103
BOUT
27
22K
TP131
R102
EOUT
LOGIC 26
22K
TP130
FOUT
25
R101
22K
17 18 19 20 21 22 23 24
C121
270P
(CH)
TP100
C122
R154
270P
1.2K
(CH)
C123
390P
AUDATA
C130 C124
AUSCLK
0.1
390P
RFLAT
TEMP
LDON
LDVAR
OPICGA
+B
L171
10 H
TP187
+B
EFMO
R907
180K
SPDRR
R908
100K
C910
0.033
10
9
C909
0.033
8
C908
7
0.22
6
C905
5
0.0022
C906
4
0.0022
3
C907
2
0.0022
1
R901
1
R902
1 R904
33K
6 G G 5
O2 I2
7 4
I1
8 3
O1
9 2
VCC
10 1
IC651
HEAD UP/DOWN
DRIVER
LB1930M
TP602
1 AGND VG 36
C651
35 1
2 CLK VC
3 PS LG 34
4 OE GND 33 L604
4.7 H
5 VD1 VD3 32
F+
6 FO1 FO3 31
L603
PGND PGND 30
7
4.7 H
8 RO1 RO3 29
9 VD1 VD3 28
L602
10 VD2 VD4 27
4.7 H
T-
RO4
11 RO2 26
12 PGND PGND 25
T+
13 FO2 FO4 24
L601
14 VD2 VD4 23
4.7 H
FODRR
15 RI1 RI3 22
FODRF
16 FI1 FI3 21
TRDRF
17 FI2 FI4 20
TRDRR
18 RI2 RI4 19
IC601
4CH PWM DRIVER
MPC17A39
3 4
– 14 –
C209
22P(CH)
1
16
C204
11
0.47
FEMON
75 74 73 72 71 70 69 68
TP209
76 TOTMON
10
17
TP210
77 TEMON
78 SBCK
CK201
4
79 SBO
CK202
80 SBSY
CK203
81 SFSY
FOK
CK204
82 FOK
SENSE CK205
83
SENSE
CIN
84 COUT
CK206
3
85
MCCK
DINT
86 DINTX
C203
87
VDD1
0.1
DECODE/SERVO
88 DGND
XRT
89
RSTX
R204
SYD0
90 SYSD0
1K
SYD1
91 SYSD1
SYD2
92
SYSD2
SYD3
93 SYSD3
SYD4
94
SYSD4
SYD5
95 SYSD5
SYD6
96
SYSD6
SYD7
97 SYSD7
99 SYRDX
SYWR SYWRX
98
SYRD
99
SYRS
1 00
7
1 2 3 4 5 6
9
TP201
VCCRF
+B
RCAULT
MCPGIN
INPGIN
INPGCK
RCPCNT
R422
100K DSPRST
PBAULT
LDON
OPICGA
RFLAT
+B
L600
F-
TP610
2.2 H
VCCPWM
5
L203
100mA
C211
5P(CH)
XL201
33.868MHz TP212
67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
X700KO
50
EFMO
CK224
PLCK 49
TP203
48
ACRCER
CK222
TCRS 47
46
RAD0
45
RAD1
RAWEX 44
43
RARASX
IC201
RAA9 42
41
RAD3
ENCODE/
RAD2 40
39
RACASX
DGND 38
RAOEX 37
ATRAC
RAA8 36
RAA7 35
LR37811
34
RAA6
RAA5 33
32
RAA4
VDD2 31
30
RAA10
RAA0 29
28
RAA1
RAA2 27
RAA3
26
SPDRR
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
VCCENDEC
TP206
C205
12
0.1
R206
270K +B
L100
10 H
C200
R205 1
330K
+B R
1
TP407
R413
1K
1
R414 C
TP408
1K
2
S
R412
R415
3
D
1K
10K
4
D
TP409
25 24 23 22 21 20 17 16 15 14 13 12 11 9
19 18 10
SYD2
26
SYD3
27
SYD4
28 SYD5
29
SYD6
30 SYD7
31
VSS
32 RCLAT
33 _MCPGI
34 _INPGI
35 INPGCK
IC401
36
RCPCNT
TP416 37 TEST1
SYSTEM
38
TP417 TEST0
MICROCOMPUT
39 JPNP
40
VCC
IX0298AWZZ
41
42 _LCDRST
43 PBLAT
44 LDON
45 OPICGA
46 RFLAT
47
RACLK
48 RADAT
49
VSS
_ELON
50
_REC
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67
PLVGIN
TP400
XL401
4.19MHz
R408
IC
100K
SE
D431
1SS361
S8
C431
0.47
1 O
R431
SW402
330K
HOLD
2 V
+B
6