Schematic Diagram / Wiring Side Of P.w.board - Sharp MD-MX30 Service Manual

MD MAIN PWB-E
A
B
+B
C
C1100
4.7
R1100
27
R1101
1
28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8
CN1101
FLEXIBLE
PWB
28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8
D
LDOUT
1 VCC 8
EXT.C
2 GND
7
APC
3
6
LDON
LVV
4
5
LDVAR
E
MD PICKUP UNIT(35)
MD LOADING PWB-F2
R1930
SW1930
390
WRITE PRO
SW1931
R1932
DISC MEDIA
120
R1931
SW1932
560
LOADING
F
SW1933
RECORD
SW1934
PLAY
+
M903
M
LOADING
–
MOTOR
G
SW1936
LEAD IN
–
M902
M
SLED
+
MOTOR
+
M901
M
SPINDLE
–
MOTOR
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 31.
1
TP1124
48 47 46
POUT
0.7V RF2
1
R
0.7V RF1
2
&
DIFF
0.7V RF4
SW
3
RF3
0.7V DIFF
4
C1101
1 REFI
1.6V IR3R55
5
RF SERVO/SIGNAL
C1102
CONTROL
1
1.6V
6
REFO
RFADD
0.7V
BIAS
7
C1103
0.027
1.6V
8
R1103
390K
1.6V AIN
9
BIN
1.6V
10
EIN
1.6V
11
FIN
1.6V
12
14
13 15
C1106
1
L1100
0.47 H
3
12
2
7 6 5 4 3 2 1
7 6 5 4 3 2 1
MAGNET HEAD(34) R1301
(RECORD)
TP1300
1 1
2 2
TP1301
5 4 3
1
CW1931
TP1975
LOADING TP1541
5 5
TP1974
MINF
TP1542
4 4
TP1973
GND TP1543
3 3
LD- TP1972 TRY- TP1605
2 2
LD+ TP1971 TRY+
1 1
MD MECHANISM
SWITCH PWB-F1
LEAD IN
CW1932
TP1941
6
1
TP1942
5 2
TP1946 SLD–
4
3
TP1945 SLD+
3
4
TP1943
SP–
2 5
TP1944 SP+ TP1602
1 6
CN1932
TP1603
16
15
2 3
Figure 37 SCHEMATIC DIAGRAM (1/13)
TP1125
C1108
C1110
0.47 C1111
0.0047
0.47
45 44 43 42 41 40 39 38 37
ADAGC
ADIPI 1.6V
36
EFM
AGC
1.6V
35
0V
34
1.6V
ADLPFO
33
IC1101
ADIP
1.6V
22KO
32
AGC
1.6V
22KI
31
R1107
560
WBO 1.6V
LPF HPF 30
R1108
22K
TCGO
1.6V
29
R1109
22K
AOUT 1.36V
28
R1110
22K
BOUT 1.35V
27
R1111
22K
EOUT 1.78V
LOGIC 26
R1112
22K
FOUT
1.78V
25
19 20 21
16 17 18 22 23 24
C1119
1
Low reflection : 0V
High reflection : 3.2V
R/P
C1107 R1105
1.2K
0.033
R1612
R1614
150K
100K
L1300
( ) : REC
0.47 H
TP1330
R1304
10 150
(5V) (5V)
D2
1 D1 8
C1301 (1.4V)
S2
2 S1 7 (1.4V)
0.027 (1.4V)
S2
3 6
S1
(1.4V)
(2.5V)
G1 G2 5
4
(2.5V)
14 13 12 11 10 9 8
IC1301
FTD2005
HEAD DRIVER
1 2 3
(1.5V)
2
(2.5V)
D1
1 G1 5
(0V)
4
S
2 D2 G2 3
(1.5V)
R1300
(2.5V)
8.2
IC1302
CPH5608
HEAD DRIVER
LOADING LOADING
MINF
MINF
C1402
C1304
0.022
220P
GND
TP1606
+B
C1606
10
LEAD IN
1.6V
CH3IN
1
1.6V
OUT3
2
SPDRR 1.6V
IN3-
3
SPDRF 5V
VBS2
4
C1612 C1610 5V Vm2
5
0.0056 4.7
0V
6 NC
C1619
0V
7 GND
330P
1.6V
8
(CH)
IN3+
2.5V
9
VM3-
2.5V
10
VM3+
2.5V
11
GND
2.5V
12
VM4+
2.5V
13
VM4-
R1618 2.5V
14
15K VM5+
2.5V
15
VM5-
1.6V
16
OUT5
SLDRR
1.6V
17
SLDRF IN5-
1.6V
18
IN5+
R1624 1.2V
19
6.8K IN4+
1.2V
20
IN4-
1.6V
21
OUT4
C1655
0.015
R1623 22K
4
– 37 –
MD-MX30/MX30W
TP1131
+B
TP1132
TP1133
EFMO-I
4
AOUT-IN
EOUT-IN
TP1134
TCG
BOUT-IN
FOUT-IN
5
WBO-I
TP1135
TP1126
TP1127
FODRF
TP1128
FODRR
TRDRF
TP1129
TRDRR
SLDRF
TP1130
SLDRR
C1117
SPDRF
270P(CH)
SPDRR
TP1136
+B
C1118
1
R/P
+B
MINF
+B
TP1302
EFMO
4 5 6 7
HDON
LOADING
(CH)
IC1402
58X2402T
EEPROM
3.2V
0V R1406
A0 VCC 8
1
10K
0V
WP
2 A1 7
3.2V
0V
A2 SCL
3 6
3.2V
0V
SDA
4 VSS 5
3.2V
R1463
10K
C1403
0.1
REG+
0.9V
42
REGB
+ 5V
41
-
IN1+ TRDRF
1.25V 1.6V
40
VBS1
5V
39
Vm1
5V
38
IN1- TRDRR
1.6V
37
INNSW
OUT1
1.6V
36
VM1- TN
2.5V
35
VM1+ TP
2.5V
34
GND
0V
33
VM2+ FP
2.5V
32
FN
VM2- 2.5V
31
OUT2
1.6V
30
GND
0V
29
IN2- FODRR
1.6V
28
IN2+ FODRF
1.6V
27
3.2V
MUTE1
26
3.2V
MUTE2
25
0V
SS.GND
24
C1616
VREF 1.6V
23
100/10
1.6V
22
VREFO
VREF
C1607
1
5
C1200
1
MINF
C
0.
0
0
0.3
0.4
2.8
0
0
0
TP1401
0
R1414 0
220K
0
+B
3.2
0
R1415
1K 0
0
3.2
3.2
3.2
C1406
0
680P
0
3.2
0
0
0
2.8
3.2
3.2
R1417
0
1K
3.2
3.2
R1418
1K
R
R/P
Q1402
UN211
2
3 2
R1405
1
100K
+B
TP1607
+B
L1600
1 H
6