Schematic Diagram - Sharp MD-MT866H Service Manual

MD-MT866H/MD-MT866W
A
MAIN PWB-A
PLAYBACK SIGNAL
RECORD SIGNAL
B
C
14
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
CN101
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22
OPIC
OPTICAL PICKUP
D
TP352
8
7
GND
9 6
10 5
11 4
12 3
C357
13 2
0.1
14 VCC 1
C354
0.1
C353
10/6.3
IC354
CPH5608
5 4 3
E
HEAD DRIVER
8 7 6 5
4 3
1 2
2
1 2 3 4
1
5
D351
C351
SBE803
47P
(CH)
IC353
FTD2005
C361
R361 HEAD DRIVER
0.039
15
F
G
11 10 9 8 7 6 5 4 3 2 1
CN601
11
1
M902
SLED
HEAD
MOTOR
U
M901
W
M
SPINDLE
V
MOTOR
N.C.
COM
M903
W
LIFT
M
U
-
MOTOR
V M
+
MECHANISM
FLEXIBLE PWB
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 28.
• The numbers 1 to
1
C109
1
C107 C106
0.1
1
C110
C111
C114 R111
C112
1 0.22
5P 12K 0.1
(CH)
48 47 46 45 44 43 42 41 40 39 38 37
1234 BIAS VCC1
EFMAGC
CK111
RF1
1
R
CK112
RF2
2
and
CK113
RF3
3
DIFF
SW
CK114
RF4
4
IC101
C102
REFI
5
1
IR3R58M
TP144
6
RF SIGNAL
REFO
C103
R131 AOUT
1 7
PROCESSOR
120K
R132
8
BIAS
820K ASW
AIN
9
BIN
10
R134
11
820K
BSW
R133
12
120K
13 14 15 16 17 18 19 20 21 22 23 24
R135
56K
R140
390K
R136
390K
R138
390K
T+
C165
F+
0.033
T–
F–
2 16
TP122
L171
10µH
TP105A
C172
C171
33/6.3
33/6.3
+B
R920
Q901
100K
RN1104
IC351
74ACT02T
HEAD DRIVER
R351
3.9
5
TP351
6 O2
O1
7
G VCC
8
IC651
LB1938T
MOTOR DRIVE
L604
22µH
C908
0.33
C909
0.027
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
R907 49
180K
50
51
R905
52 BRK–
R908 100K
53
BRK+
100K
54
VCC2
55
VCC1
R906
56
SPVM1
270K
IC601
57
SPUOUT
BD6606KV
58
SPPG1
MOTOR DRIVE 59
SPVM2
60
SPVOUT
61 SPWOUT
62
63
64
1 2 3 4 5 6 7 8 9
R904
10K
16 are waveform numbers shown in page 37.
2
Figure 30 SCHEMATIC DIAGRAM (1/2)
C108
1
TP139
EFMO
C131
0.1
2-1
36
ADAGI
35
ADAGC
34
C132
ADIPNF
33
11
0.22
CK108
ADIPO
32
GND2
31
C113 15
WBO
30
1
VCC2
10
29
OPICPW
28
SW
CK102
DISC
MODE
27
DISC
SGAIN
4
26
SGAIN
TEMP FOK
DTEMP 25
SENSE
CIN
3
R139 DINT
TP211
39K
C133
C204
0.22
0.47 XRT
SYD0
SYD1
SYD2
SYD3
SYD4
SYD5
SYD6
C124
SYD7
330P
SYWR
SYRD
C122
SYRS
220P
LDON
C123
LDVAR
330P
OPICGA
C121
220P
R161
1.2K
TP201A
TP487
+B
TP487A
EFMO
D651
F10J2E
G 4
C652
I2 3
0.1
I1 2
1
LDCNT1
LDCNT2
SPIN
R909
C902
C602 @ 1 10K
0.01
C601 @ 1
C603 @ 1
C604 @ 1
L602
L601
22µH
22µH
L603
4.7µH
32
C609
L609
31
1
10µH
30
PW2OUT
13
PWPG 29
49 CSL1
32 PWIN2
PW1OUT 28
50 CSL2
31 PW2VM
L608
PW1VM
27
51 22µH
FG
STALL 26
IC601
STHB 25
C608
ASGND 24 1
SGND 23
19
BEMFU
62 SPPG2
S1 22
18 BEMFV
SLCNT1
63 SPUIN
S2
17 BEMFW 21
SLCNT2
64 SPVIN
S3
20
SLCNT3
19
N.C.
18
N.C.
17 N.C.
10 11 12 13 14 15 16
C911 C912
0.1 0.1
C901
1
X176KO
2
3
1
TP901
SW901
LID
DETECTION
3 4
– 30 –
TP202
CK203
CK202 XL201
33.868MHz
C211
CK201
5P(CH)
1
C212
8P(CH)
TP208
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
TP209
76
TP210
77
HDON
78
OPTCNT
79
DAPON
80
81 ADPON
CK204
TOTMON 50 EFMO
82 FOK 76
CK205
49 PLCK
83 SENSE 77 TEMON
CK206
48 ACRCER
84 COUT
N.C. 85 MCCK
86 DINTX
IC201
C203
87 VDD2
R204 0.1 LR37815
88 DGND
1K
ENDEC/SERVO/ATRAC
89 RSTX
SYSD0
90
SYSD1
91
SYSD2
92
SYSD3
93
98 SYWRX RAA1
28
94 SYSD4
99 27 RAA2
SYRDX
95 SYSD5
100 SYRS 26 RAA3
SYSD6
96
SYSD7
97
98
99
100
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
9
TP201
C209
R206
0.1
100K
C207
0.1 R205
27K
25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
26
27
28 SYD5
29 SYD6
SYD7
30
26
VSS
31
27
RCAULT
32 RCLAT
MCPGIN
33 MCPGI
INPGIN
34 INPGI
INPGCK
35 INPGCK
RCPCNT N.C.
36
TP416 TEST1
37
R422
TP417 TEST0
38
100K
SYSTEM MICROCOMPUTER
39 JPNP
40
VCC
OPICGA
41
OPICGA
42
N.C.
43 48
PBLAT
PBAULT
49
44
LDON
LDON
45 DISCP 50
DISC
46 SGAIN
SGAIN
47 RACLK
48
49
50
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75
TP404
R404
100K
R403
1K
DISCPR
TP610
C605
C600
0.1
22/6.3
D431
1SS361
R431
C431
330K
0.47
S80820LN
5
CK225
TP212
TP205
50
49 CK224
48 TP203
1
RAA11 47 CK222 VCC
RAD0 2
46 I/O1
RAD1 3 I/O2
45
RAWEX 44 4 WE
RARASX 43 5 RAS
RAA9 42 6 N.C.
RAD3 41
RAD2 7 A10
40
RACASX 39 8 A0
DGND 38 9 A1
RAOEX 37 10 A2
RAA8 36 11 A3
35
RAA7 12 VCC
RAA6 34 TP200
IC
RAA5 33
RAA4 32 IX28
VDD2 31
16M BIT
RAA10 30
RAA0
29
C202
28
47/6.3
27
L202
26
10µH
12
N.C.
+1.5V
C201
10/6.3
1 6
L100
2 5
VC
10µH
3 4
C151
Q103
0.01
FDG312P
C100
R151
10/6.3
100K
+2.7V
R411
100K
R412
15K
TP409
5 4
N
TP408
6 3 G
TP411 TP407
7 2
R414 TP411A
R413
8 1
1K
1K
R415
TP410
1K
R416
1K
TP413
N.C. N.C.
R406
10 0
100K
99
98
VCC
EJSW 97
R405
CKSTP 96
10 0 STOP
SYD3
10K
XRST 95
99 PCNT2
SYD4
94
FOK
93
SENSE
DCNT1 92
BATON 91
TP41
MCMON 90
IC401
89
PCNT3
TP401
IX0357AW
VSS 88
87
AVSS
LDVAR 86
T
C401
TEMP 85
0.1
HKEY2 84
83
RADAT HKEY1
Vref
78
VSS RKEY 82
77
N.C. ARQ
STDCK 81
76 AVCC
PLVDCI 80
PLVDRY 79
78
77
76
TP402
R423
TP400 R425
22K
22K
TP403 R402
100K DIN
XL401
4.19MHz
D462
RB521S30
R462
22K
1 4
OUT
VSS
C454
3
VDD 0.0022
2 3
R461
2
100K
IC431
1
R463 R465
R464
RESET 100K
100K
220K
6