Sharp CD-MD3000H Service Manual page 51

DIG_SEL
IC912
BU2092F
OUTPUT
EXPANDER
1 VSS
2 DATA
3
CLK
4 LCK
5
NC
6
NC
7 NC
8 NC
9 CD-R_SEL
9 8 7 6 5 4 3 2 1
2 11 10
VSS 100
REC MUTE 99
FH M B-
98
FH M B+ 97
96
FH M A-
95
FH M A+
3 REC BIAS
CD PICK IN 94
2 REC
CD RW 93
1 PB MUTE
CD RESET
92
CD BUS0 91
CD BUS1 90
83 FH T-SW C
CD BUS2
89
82 FH T-SW B
CD BUS3 88
81 FH T-SW A
CD BUCK 87
CD CCE
86
FH C-SW A
85
FH C-SW B
84
83
82
81
69 70 71 72 73 74 75 76 77 78 79 80
IC913
KIA7805P
VOLTAGE REGULATOR
+B
1 IC913 3
2
+B
8 9 10 11 12 13 14 15
1 2 3 4 5 6 7 8
TO POWER PWB
+B
VDD 18
OE 17
SW12
16
SW11 15
SW10 14
13
SW9
12
SW8
11
SW7
10
SW5
Q725
Q723
Q724
+B
+B
8 7 6 5 4 3 2 1
CNP102 TO DECK SECTION
Figure 51 BLOCK DIAGRAM (5/7)
+B
IC702
OUTPUT EXPANDER
BU2092F
18 1
VDD VSS
__
DATA
17 2
OE
16 Q11 CLOCK 3
15 Q10 LCK 4
14 Q9 Q0
5
13 Q8 Q1 6
Q2
12 7
Q7
11 Q6 Q3 8
Q5 Q4
10 9
+B
Q721
+B
LED_EG
LED_1
LED_2
Q722 Q720
LED_3
+B
LED_4
LED_5
CNS770
7
6
5
4
3
2
1
IC701
TA7291S
LOADING
m
l j k
MOTOR
TO AUDIO
DRIVER
SECTION
1 2 3 4 5 6 7 8 9
CNS940
– 51 –
CD-MD3000H/CD-MD3000W
+B
RX701
REMOTE
SENSOR
1 2 3
+B
SW701
REMOCON
POWER
SW710,SW780,
SW730~SW735
SW711,SW712,
SW720~SW725
Q708
LED772~
LED7775,
LED786
+B
+B
A_+B
KEY2
KEY3
KEY4
D_GND
JOG701
JOG-A JOG DIAL
JOG-B
CNP931
+B
1
+B
D_+B
2
3
4
5
6
7
8
9
10
11
CNP934
1
2
3
4
5
6
+B
7
Q707
DIMMER
A +B
D GND
D +B
SCL
SDA
OPEN_SW
D_GND
CLOSE_SW
PNL_OP
MOTOR_+
M
PNL_CL MOTOR_–
CNS720
A_+B
1
D_+B
2
D_GND
3
4
POW_KEY
5
POW_IND
6
DATA
7
CK
8
LCK
9
KEY1
10
KEY0
11
LED770
SW750~SW758
SW760~SW764,
SW767,SW782
SW783,
SW772~SW778
A_+B
D_+B
D_GND
REMOCON
POW_KEY
POW_IND
DATA
CK
LCK
KEY1
KEY0
JOG-B
JOG-A
D_GND
KEY4
KEY3
KEY2
A_+B
LED735,LED737,
LED738
CNP701
1
VLCD
1
VSS
2
VDD
3
4
5
5
SW705
OPEN/CLOSE
MO700
CONTROL
PANEL MOTOR