Sharp XL-MP150 Service Manual page 21

+B
XL1
16.9344MHz
(AGND)
78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
IC1
LC78690E
CD
MP3 DECODER/DIGITAL SIGNAL
PROCESSOR
23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
TP5
+B
+B
Q3
+B
VVDD2
LRSY
60
DATACK 59
DATA
58
TEST1 57
STDATA
56
STCK
55
STREQ
54
TEST0
53
CONT0
52
CONT1
51
CONT2 50
INTB1
49
INTB0
48
RESB
47
DO 46
DI
45
CL
44
CE
43
42
DVSS
41
DVDD
+B
+B
(DVDD)
+B
(+8V)
Figure 4-6 BLOCK DIAGRAM (6/6)
DISC/CLAMP
TRAY SW1/SW2
+B
+B
Q4
(MGND)
4 - 6
14
13
CD_INT
12
MP3_INT
11
CD_CE
10
CD_DO
9
CD_DI
8
CD_CLK TO DISPLAY PWB
7
CD_RES
6
MO_A+
5
MO_A-
4
PHOTO
3
GND
2
+5V
1 1
1 GND
SI
2
SO
3
SCK
4
+B
+5V
5
VPP
6
RESET
7
CNP6
GND
1
VPP
2
FROM DISPLAY PWB
+5V
3
RESET
4
CNP5
TRAY SW2
GND SW2
1
1 TRAY SW1
TRAY SW2
2 SW1
2
TRAY SW1 CLAMP
3
3
CLAMP
4
4
DISC
5
5
PHOTO
6
6
RX1
+5V
7
7 PHOTO
TR+
INTERRUPTER
8
8
+
TR-
9 M1
9 M
-
CAM+ TRAY
10
10
MOTOR
CAM-
+
11
11
M
-
MAIN CAM
CNP4
MOTOR
R-CH
1
AGND
2
L-CH
3
DGND
4 FROM MAIN PWB
+5V
+B
5
MGND
6
+8V
+B
7
CNP3
XL-MP150
SW3
SW4
DISC
M2