Sharp CD-MPS440W Service Manual page 19

VF2
33
CNS901
3.8V
VF1 1
3.8V
VF2
2
Ð30V
ÐB2 3
5.6V
+B3 4
+B3
D_GND 5
CNS405
DISC_UP_SW
1
DISC_DOWN_SW 2
OPEN_SW 3
4
DISC_NO._SW
DISC 1_SW 5
CLOSE_SW 6
ROTATE
7
8
CD_CE
CD_RES 9
MM+ 10
MM- 11
CD_CLK 12
CNS803
TAPE_SW 1
T2_RUN_PLUS 2
T2_SOL 3
T1_SOL 4
T1_RUN_PLUS 5
CH_SW 6
MOTOR
7
TAPE_BIAS 8
REC_PLAY 9
REC SW 10
CNS102
FAN_PRT 7
FAN_START 6
SP_DETECT 5
SP_RELAY 4
SIGAL_LVL 3
2
P_MUTE
CD+B
1
CNS202
D_GND 1
2
D1
D0 3
4
CL
CE 5
6
FM_ST
SD 7
VFD701
FL DISPLAY
~
32 31 16
~
67 52 51
~
70 DISC_UP_SW
74 DISC_DOWN_SW
75 OPEN_SW
68 DISC_NO_SW
69 DISC1_SW
71 CLOSE_SW
73 ROTATE
4 CD_CE
CD_RES
5
6 MM+
MM-
7
IC701
97 CD_CL
IXA057SJ
89
GND
SYSTEM
MICROCOMPUTER
23 T2_TAPE2_SW
83 T1_RUN_PLUS
81 T2_SOL
80
T1_SOL
82
T1_RUN_PLUS
84 CH_SW
79 MOTOR
76 TAPE_BIAS
REC_PLAY
77
78 REC
21 92 93 94 91 88 85
Figure 4-4 BLOCK DIAGRAM (4/4)
4 – 4
~ ~
15 12 11 3
~ ~
50 47 38 30 1
~ ~
IRQ
POWER_KEY
X-BASS/DEMO
KEY2_IN
KEY1_IN
CF2
CF1
GND
XT2
XT1
VDD1
VDD2
VDD3
VDD4
95 96 97 98 99 100 11 26
Q702,Q703,Q704
CD-MPS440W
VF1
2 1
LED701
Q701
REMOTE
SENSOR
RX701
+B3
29
SW702
28
ON/STAND-BY
SW701
27
X-BASS
/DEMO
KEY
SW703~SW710
19
SW719~SW721
KEY
SW711~SW715
18
SW722~SW724
16
15
14
13
12
17
90 +B3
46
72
RESET