Schematic Diagram - Sharp MD-MT80W(S) Service Manual

MD-MT80W/90W/90/90C
MAIN PWB-A
PLAYBACK SIGNAL
A
RECORD SIGNAL
B
+B
+B
C
CN101
22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
FLEXBLE
PWB
9 8 7 6 5 4 3 2 1
22 21 20 19 18 17 16 15 14 13 12 11 10
OPIC
OPTICAL PICKUP UNIT(17)
D IC351
+B
74ACT02T
HEAD DRIVER
8 7
GND
9 6
5
10
11 4
12 3
C357
13 2
0.1
14 VCC 1
C354 0.1
C353 10/6.3
IC354
CPH5608
HEAD DRIVER
D351
5 4 3 SBE803 8 7 6 5
4 3
2
E
5 1
1 2 1 2 3 4
C361
0.039
IC353
R361
FTD2005
15
HEAD DRIVER
TP665
R922
100K
R921
330
15
14
F
CN601
9 8 7 6 5 4 3 2 1
14 13 12 11 10
M902
14 13 12 11 10 9 8 7 6 5 4 3 2 1
SLED
MOTOR
M
M901
SPINDLE
COM
MOTOR
W PH901
G
M
POHOT
V
INTERRUPTER
U
(15-2)
UP/DOWN
+
M
–
M903
MECHANISM FLEXBLE
LIFT
MOTOR
PWB ASS'Y (15)
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 30.
• The numbers 1 to 18
1
C109
C111 C112
C110
1
1 0.1
0.22
C107 C106 +B
0.1 1
C108
1
48 47 46 45 44 43 42 41 40 39 38 37
1234
CK111
RF1 2-1
1
36
R
CK112
RF2
2
and 35
CK113
RF3 SW
3
34
DIFF
CK114
RF4 ADIPNF
4
33
IC101
C102 1 ADIPO
REFI
5
32
TP144
IR3R58M
GND2
6
31
REFO
WBO
RF SIGNAL
C103
AOUT
7 30
1
ASW
PROCESSOR
VCC2
8
29
OPICPW
R131
BIAS
AIN
9 SW 28
120K(1%)
BIN DISC
10 27
MODE
BSW
SGAIN
11 26
R133
12 25
120K(1%)
13 14 15 16 17 18 19 20 21 22 23 24
R140
390K
R136
390K(1%)
R138
390K
(1%)
+B
+B
R161 1.2K
F–
F+
T+
T–
C165
0.033
TP101
2 18
L171
10µH
TP171
+B
Q901
UN5210
2
3 IC901
1
LB1971V
1 3 GND CSLP2 1 2 C906 0.082
C905
4 1 CX CSLP1 1 1 C907 0.082
470P
R906
1 5 NC DET 1 0
C908 0.047
1.5M
6 1 NC FC 9
C904
7 1 OSC FG 8
0.33
8 1 WIN VCC2 7
C903 0.0022 R908
1 9 VIN VS 6
22K
C902 0.0022 C910
0 2
UIN VCC1 5
C901 0.0022 0.1
2 1 FCOM BRK 4
2 2
NC STBY 3
3 2
WOUT UOUT 2
+B
1
2 4 RF VOUT
SPINDLE
MOTOR
DRIVER
C913
0.0022
MOTOR DRIVER
R403
6 5
G G
1K +B
7 4
O2 I2
SW601 8 3
I1
DISC 9 2
O1
PROTECT VCC 1
10
IC651
LB1930M
+B
TP602
C651
1
+B
TRDRF
24 23 22 21 20 19 18 17 16 15 14 13
TRDRR
25
26
VBAT
27
DCNT1 12 MUTE1
S/S
28 OPIN–
11 OPOUT
GND
29
25 IN2R
VCC2
30
26 VBAT/2MON
CP1
31
32 CP2
35
VGOFF
33 CP3
36
IN4R
34 CP4
35
SLDRR
36
37 38 39 40 41 42 43 44 45 46
SLDRF
L609
47µH
IC601
L610
LV8018W
47µH
L608
PWM DRIVER
10µH
TP601
13
are waveform numbers shown in page 37.
2 3
Figure 32 SCHEMATIC DIAGRAM (1/2)
TP139
CK203
C131
CK202
0.1
ADAGI
CK201
ADAGC
16
C132
11
0.22
1
CK108
TP208
17
CK208
C113
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
1 CK209
TP209
+B
76
10
CK102
77
CK210
78
DISC
TP210
OPTCNT
79
4
SGAIN DAPON
80
ADPON
81
TEMP FOK
CK204
FOK
82
SENSE
SENSE
83
CIN
CK205
COUT
84
CK206
3
MCCK
85
DINT
DINTX
86
+B
C203 0.1
VDD2
87
R204 1K
88 DGND
XRT
89 RSTX
SYD0
90 SYSD0
SYD1
91 SYSD1
SYD2
92 SYSD2
SYD3
93 SYSD3
SYD4
94 SYSD4
SYD5
95 SYSD5
SYD6
SYSD6
96
C124
SYD7
SYSD7
97
330P
SYWR
98
SYRD
99
SYRS
100
LDON
LDVAR 1 2
9
OPICGA
C121
220P TP201A
TP201
+B
C207
0.1
+B
+B
+B
EFMO
SPIN
+B
SPDRR
CK901
RCAULT
MCPGIN
INPGIN
INPGCK
OPICGA
PBMUTE
PBAULT
LDON
DISC
SGAIN
D651
F10J2E
PDCNT
L601
47µH INNSW
L602
47µH
L604
47µH
L603
47µH
+B
12
11
OPIN+ 10
9
8
CLK
7
VCC1
6
VG
5
4
3
2
IN3
MUTE 1
+B
47 48
VCCPWM +B
4
– 32 –
C221,L204 : MT90/90C Only
R207
680 ohms, RESISTOR : MT90/90C
0 ohms, JUMPER : MT80W/90W
TP202
XL201
33.8688MHz
C211 5P
C212 +B TP212
8P CK225
50
CK224
49
TP203
48
CK222
RAA11
47
RAD0
46
RAD1
45
TOTMON
76 50 EFMO
RAWEX
44
77 TEMON 49 PLCK
RARASX
43
78 HDON 48 ACRCER
RAA9
42
RAD3
41
IC201
RAD2
40
RACASX 39
LR37815
DGND
38
ENDEC/SERVO/ATRAC RAOEX 37
RAA8 36
RAA7 35
RAA6 34
98 SYWRX 28 RAA5 33
RAA1
99 SYRDX 27 RAA4 32
RAA2
100 SYRS 26 RAA3 VDD2 31
RAA10
30
RAA0 29
28
27
26
3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
12
R206
L100
27K
10µH
(1%)
+B
C100
10/6.3
+B
+B
R412
15K
5 4
TP408
6 3
7 2
TP411A
8 1
TP410
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
SYD6 EJSW
29
30 SYD7 CKSTP
31 VSS XRST
SYD3
26 100
PCNT1
32 RCLAT FOK
SYD4
27 99 PCNT2
33 MCPGI SENSE
SYD5
28 98 VCC
34 INPGI DCNT1
INPGCK PLVON
35
RCPCNT IC401 MCMON
36
TP416 TEST1 CHGON
37
IX0409AW
TEST0 VSS
TP417 38
JPNP SYSTEM AVSS
39
VCC LDVAR
40
MICROCOMPUTER
OPICGA CHGCNT
41
PBOPON HKEY2
42
PBLAT HKEY1
43
LDON Vref RKEY
44 48 RADAT 78
DISCP TEMP
45 49 VSS 77 AVCC
SGAIN ARQ CHIMON
46 76
47 RACLK PLVBAT
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
TP400
+B
XL401
4.19MHz
D431
1SS361
1 4
OUT VSS
C431 R431
2 VDD 3
0.47 330K
IC431
S80820LN
RESET
5
1
VCC G
2 I/O1
I
3 I/O2
I
4 WE
C
5 RAS
6
A10
7
8 A0
9 A1
10 A2
11 A3
12 VCC G
C202
47/6.3
IC
IX27
16M BIT D
+B
VCC
+2.7V
+B
TP418
SW401
EJECT
4
3
2
1
P
100
R406 P
99
100K
TP406
98
97
R405
TP405
96
10K XRT
95
FOK
94
SENSE
93
92
P
91
TP415
90
C
89
TP401
88
87
LDVAR
86
C401 0.1 CH
85
HKEY2
84
HKEY1
83
82
C
81
TEMP 0
80
PL
79
78
77
76
TP402
R423
22K
(1%)
DINT
RPLAY RKEY
1
2
3
4
D461
D467
RB731U RB521S30
3 4
2 5
1 6
6