Schematic Diagram - Sharp IM-MT899H Service Manual

IM-MT899H/IM-MT899W
MAIN PWB-A
PLAYBACK SIGNAL
RECORD SIGNAL
A
IC101
IR3R58M
RF SIGNAL
PROCESSOR
CK111
CK112
CK113
C102 CK114
1
TP144
B
C103
1
R131
150K
R133
150K
+B
C
T–
T+
F–
F+
TP122
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 (19)
TP352
D
1
8 GND 7
9 6
10 5
11 4
12 3
C357 13 2
VCC
14 1
0.1
C353 VCC_HEAD
1
D351
5 4 3 SBE803
6 5 4
4 3
2
5 1
1 2 1 2 3
E
HEAD DRIVER
+B
49
50
R905
51
100K
52
R908
53
100K
54
C913
55
1
R906
56
270K
57
13
58
F
59
60
61
62
63
64
C906
0.0022
SPU
SPV
SPW
SPCOM
G
11 10 9 8 7 6 5 4 3 2 1
CN601
11 1
MAGNETIC
HEAD(18)
M902
SLED
MOTOR
U
W
M
V
COM
W
M
V
U
+
M901
M
SPINDLE
–
MOTOR
M903
MECHANISM LIFT
MOTOR
FLEXIBLE PWB (17)
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 28.
• The numbers 1 to 15
1
C109
+B
C111
1
1
CK139
EFM
48 47 46 45 44 43 42 41 40 39 38 37
1234 BIAS VCC1
C131
EFMAGC
0.1
RF1 2-1
1 36
R
RF2 ADAGI
2 and 35
RF3 C132
3 SW 34
DIFF
ADAGC 0.22
RF4 ADIPNF
4 33
CK108
WB
REFI ADIPO
5 32
GND2
6 31 14
REFO
AOUT WBO
BIAS C113
7 30
ASW 1 +B
VCC2
8 29
CK102
AIN OPICPW
9 SW 28
R163
DISC
BIN
MODE
10 27
DISC
BSW 47K
SGAIN
26
11
SGAIN
R164 TEMP
12 25
47K
13 14 15 16 17 18 19 20 21 22 23 24
R139
39K
C133
C204
0.22
R136
R140
390K
390K
C124 330P
C123 330P
C122 220P
C121 220P
LDVAR
R162 18K LDON
R161 OPICGA
1.5K
R165
C165
12K
0.027
15
2
+B
EFMO
TP487
TP487A
+B
Q901
RT1N441 U
2 3
TP353
1
D651
F10J2E
+B
C652
0.1
5 G 4
LDCNT0
6 O2 I2
3
LDCNT1
7 O1 I1 2
8 G VCC
1
IC651
LB1938T
MOTOR DRIVER
R909
10K
SPDRR
C602 1
C601 1 C902
0.01
C603 1
1
C604
+B
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
CSL1
PWIN2 32
C609
L609
CSL2 PW2VM 31 1
10µH
FG
PW2OUT 30
BRK- PWPG 29
47 H1PG1 33 PWIN1
BRK+ PW1OUT
28
IN2R L608
48 CST 34 C608
VCC2 PW1VM 27
10µH
1
VCC1 35 IN2F STALL 26
SPVM1 STHB 25
SPUOUT ASGND 24
SPPG1 SGND 23
62 SPPG2
17 BEMFW
SLCNT1
SPVOUT S1 22
63 SPUIN
18 BEMFV SLCNT2
S2
SPVM2 21
SPVIN
64 19 SLCNT3
BEMFU
S3
SPWOUT 20
19
18
17
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
SLVM
C911 C912
0.1 0.1
SPVM
X176KO
IC601
BD6606KV
MOTOR DRIVER
SLU
SLV
SLW
2
1
SW901
DISC PROTECT
are waveform numbers shown in page 38.
2 3
Figure 30 SCHEMATIC DIAGRAM (1/2)
CK200
C211
5P(CH)
1
CK208
11
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55
CK209
76 TOTMON
CK210 77 TEMON
4
SBCK
78
10
79 SBO
3 SBSY 48
80 ACRCER
73 ADDATA
CK204
81 SFSY 49
EFMOX
FOK 74 DADATA
FOK
82 50 EFMO
SENSE 75 FEMON
83 SENSE
CK205
CIN
COUT
84
CK206
85 MCCK IC201
DINT
DINTX
86
C203 LR37818
87 VDD2
1 0.1
DGND
88
ENDEC/SERVO/
XRT
89 RSTX
SYD0 R204
SYSD0 ATRAC
90
SYD1 1K
91 SYSD1
SYD2
SYSD2
92
SYD3
24
SPDRF
93 SYSD3
SYD4
98 25 SPDRR
94 SYSD4 SYWRX
SYD5
99 SYRDX
95 SYSD5
SYD6
96 SYSD6 100 SYRS
SYD7
SYSD7
97
SYWR
98
SYRD
99
SYRS
100
9
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
TP201
TP201A
+B TP207
C207
0.1
C209 0.1
R206
100K
+B
+B
HDON
DCEXT
STOP
30 29 28 27 26 25 24 23
HPLAY
31
HREC
32
33 VCC
34 RCPCNT
RCAULT
35 RCLAT
30
TEST0
36
TP417
31
37 JPNP
VSS 32
38
OPICGA
39 OPICGA
RFPCNT
40
SGAIN
41 SGAIN
SPIN DISC
42 DISCP
CK401 OPTCNT
43
OPTCNT
DAPON
CK402
44 DAPON
CK403 ADPON
ADPON
45
AUSCLK
46 RACLK
VSS
47
MICROCOMPUTER
AUDATA
48 RADAT
TP412 PBMUTE
PBOPON
49
PCNT4
50 PCNT4
DSPINH
DSPINH
51
52 VCC
59 VSS
RMDAT
53 RMDAT
60
DSPDAT DISCPR
54 DSPDAT
P/R 61 SLCNT3
FP31
55 PCILD
CHGCNT
56 CHGCNT
DSPSCK
FP32 57
DSPSCK
58
59
DISCPR
60
61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89
+B
+B
C404
0.1
R403
1K
3
TP901
4
– 30 –
+B
TP212
CK225
54 53 52 51
TP205
50
49
48
RAA11 47 1 VCC GND 24
RAD0 I/O1 I/O4
46 2 23
CK222
RAD1 45 3 I/O2 I/O3 22
RAWEX WE CAS
44 4 21
RARASX 43 5 RAS OE 20
RAA9 A9
42 6 19
RAD3 41
RAD2 40 7 A10 A8 18
RACASX 39 8 A0 A7 17
DGND 9 A1 A6 16
38
RAOEX 37 10 A2 A5 15
RAA8 11 A3 A4 14
36
RAA7 35 12 VCC GND 13
RAA6 34
C202
IC202
47/6.3
RAA5 33
RAA4 32
IX2960AF
VDD2 31
R200 16M BIT
RAA10 30
22
29
RAA0 D-RAM
RAA1 28
RAA2
27
RAA3
26
25
+1.5V
+B
12
IC402
+B
IX2988AF
R415 EEPROM
1K
TP409
5 4
R414
TP408
6 3
1K
7 2
TP411A
TP411
8 1
R412
15K
R411
+B
100K
+B
DSPSTB
R402
22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 22K
HDON
120
CK405
119
XRT
XRST 118
1 EMPH0 117
VCC
2 DSPSTB EMPH1 116
R407
FP67
DINT
MD2
115
100K
PLAY
MD1 114
REC 120 HDON
MD0 113
119 CKSTP
PCNT2 112
LDON
LDON 111
CIN
CIN 110
SPIN
SPIN 109
IC401
DFCKC
DFCKC 108
IX2992AF DCON 107
BATON
106
SYSTEM
PCNT3 105
VSS
104
C130
AVSS 103
0.1
VLCD
102
LDVAR 101
89 CPU_SO
PLVBAT
100
90 CPU_SI
PLVDCI 99
91
CPU_SCK
RKEY
98
HKEY1 97
TEMP
96
PL_RC 95
VREF 94
AVCC 93
CPUINT
CPU
92
INT
CPUCK
91
90
FP2
+B
CK400
XL401
8MHz TP406
SW401
SW402
EJECT
OPEN/CLOSE
TP403
IC431
S80824LN
RESET
1 OUT 4 +B
VSS
R431
C431
2 VDD 3
0.47 330K
MICOM_VCC
5
DA
AD
DFC
BC
LRC
DIN
IC30
TC7SH
GATE
1 VCC
DFCKC
2
3 GND
DSPIF
DSPIF
DSPIF
DSPIF
+B
RMDAT
E
EMPH0
EMPH1
+B
HKEY1
D432
1SS302
STOP
HPLAY
HREC
L401
100µH
+B
FP1
C402
10/6.3
6