Sharp MD-X60H Service Manual page 51

R77
1K
R46
1K
R47
R45 1K
1K
R78 1K
R48 1K
+B
R18
3.3M
C41
0.047
R57
27K
4
53
20P
C59
0.022
+B
MAIN CAM MOTOR DRIVER
5V
POSISTOR
C86
100P
(CH)
46
022
7 8 9 10 11 12 13 14 15 16 17 18
PWB (2/4) SYSTEM CONTROL SECTION
P44 1-E
• The numbers 1 to 11 are waveform numbers shown in page 69.
7
XL1
16.934MHz
C62
C22
15P
0.01 C61 R61
12P 220
4.9V
0V 80 79 78 77 76 75 74
X-TAL
GENERATOR
0V
DEF1
1
0V
TA1
2
VCO CLOCK
OSC CONTROL
ERROR COERECT
PDO
3
FLAG CONTROL
R58 0V
680
0V
VVSS
4
2.2V
ISET
RAM
5
C42
ADDRESS
GENERATOR
0.047
4.9V
6
VVDD
R56 2KX8
0V
7 FR
RAM
1.2K
0V
8
VSS
9 /EFMO
SLICE LEVEL
EFMO
2.5V
CONTROL
INTERPOLATION
10
MUTE
0.2V
EFMIN
11
0V
TEST2
11
12
CLV
CLV+
0V DIGITAL SERVO
13
LEVEL METER
CLV–
0V
PEAK METER
14
4.9V V/P
15
FOCS
IC2
0V
16
MICN INTERFACE
0.3V
17 LC78625E
0.3V
18
SERVO/SIGNAL
0V
19
HLF
CONTOROL
0V
20
TES
2.5V
21 PCK
0.2V
FSEQ
22
8fs OVER SAMPLING
4.9V TOFF
23 DIGITAL FILTER
SERVO
4.9V TGL
24
COMMAND
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
+B
IC92
TA7291S
TRAY MOTOR DRIVER
1 2 3 4 5 6 7 8 9
5.0V
R94
R91
5.6K
R90
8.2K
C85
0.1
1 2 3 4 5
TO MAIN PWB (2/4) SYSTEM CONTROL SECTION
P44 1-C
8 9
Figure 51 SCHEMATIC DIAGRAM (8/16)
C58
100P (CH)
C57
100P (CH)
R60
1K
0V
C56
73 72 71 70 69 68 67 66 65
100P
(CH)
64
RWC
0V
63
WRQ
FSX
0.7V
62
SBCK
2.0V
61
SFSY
SUB-CODE
0.7V
60
PW
59 0V
EFLG
2.5V
58
SBSY
0V
57
DIGITAL
2.5V
DOUT
56
OUT
0V
MUTER
55
4.9V
RVDD
54
RCHP
2.5V
53
1BIT
2.5V
RCHN
DAC
52
0V
RVSS
51
0V
LVSS
50
LCHN
49
2.5V
LCHP
48 2.5V
LVDD 47
4.9V
46
MUTEL
0.1V
C2F 45
0.1V
ROMXA 44
3V
CK2 2.5V
43
LRSY
2.5V
ANTISHOCK
42
INTERFACE
41 0V
ASLRCK
C51
100/10
CD_GND 0.022
IC91
TA7291S
5V 1 2 3 4 5 6 7 8 9
5V
R93
POSISTOR
C96
100P
BIM1
(CH)
R98 R96
1 1
8.2K 3.3K
2 2
MT–
3 3
MT+
4 4
C95
CNP11
0.1
TRAY SWITCH PWB-I
SWB101 CAM1
SWB102 CAM2
MAIN PWB-A(4/4)
SWB103 CAM3
SWB104 CAM4
10
– 51 –
MD-X60H
+B
C55
100P
(CH)
C54
100P
(CH)
R70
330
CD_D_OUT
1 X
DIG_GND
2
+B Y
Q81
2SD468 C
+5V
6.6V
4.9V
R81
5.5V R84 220
22
C52
CD_7V
+7.3V
CD SIGNAL
3-TRAY MOTOR
–
MOB1
M
+
MAIN CAM MOTOR
–
MOB2
M
TRAY MOTOR
+
CNS2
SWB105
1 1
CD EJECT
SWB106
2 2
CD TRAY CLOSE
3 3
SWB107
4 4
CD IN
SWB108
5 5
CD SET BIM2
BIM3
CAM SWITCH
1 1 GND(D)
CAM_SW1
2 2
CAM_SW2
3 3
GND(D)
4 4
CAM_SW3
5 5
CAM_SW4
6 6
11 12