Sharp CD-CH1500 Service Manual page 17

1 VSS
2 DATA
3 CLK
4 LCK
5
CD-SW
6
NC
NC
7
8
NC
9 CD-R_SEL
B
8 7 6 5 4 3 2 1
VSS
100
REC MUTE 99
FH M B- 98
FH M B+ 97
BIAS
96
FH M A-
95
FH M A+
UTE
CD PICK IN
94
CD RW 93
CD RESET
92
CD BUS0 91
CD BUS1
90
CD BUS2 89
CD BUS3 88
C
CD BUCK
87
B
CD CCE 86
A
FH C-SW A
85
FH C-SW B
84
83
82
81
2 73 74 75 76 77 78 79 80
IC913
KIA7805AP
VOLTAGE REGULATOR
+B
1 IC913
3
2
+B
8 9 10 11 12 13 14 15
BI960
1 2 3 4 5 6 7 8
TO POWER
NP806
CNP807
PWB
IC912
+B
VDD 18
BU2092F
OE
17
+B
SW12
16 INPUT/OUTPUT
15
SW11
EXPANDER
SW10 14
13
SW9
SW8 12
11
SW7
10
SW5
Q725
Q723
Q724
LEVEL_R
Q955
Q954
+B
+B
8 7 6 5 4 3 2 1
8 7 6 5 4 3 2 1
CNP102 TO POWER PWB
BI950
Figure 17 BLOCK DIAGRAM (4/6)
+B
IC702
INPUT/OUTPUT
EXPANDER
BU2092F
18 1
VDD VSS
__
DATA
2
17 OE
16 Q11 CLOCK 3
15 Q10 LCK 4
14 Q9 Q0 5
Q8 Q1 6
13
Q2
12 7
Q7
Q3
11 Q6 8
Q5 Q4
10 9
+B
Q721
+B
Q722 Q720
LED_EG
LED_1
LED_2
LED_3
LED_4
LED_5
BI940
CNS940 m
m
l j k
TO AUDIO SECTION
MOTOR DRIVER
1 2 3 4 5 6 7 8 9
PNL_CL
– 17 –
+B
RX701
REMOTE
SENSOR
1 2 3
+B
SW701
REMOCON
POWER
POW_KEY
POW_IND
SW710,
SW730~SW735
KEY0
SW711,SW712,
SW720~SW725
Q708
LED772~
LED776
+B
SW750~SW758
CNS770
A_+B
7
KEY2
6
KEY3
5
KEY4
4
D_GND
JOG701
3
JOG-A JOG DIAL
2
JOG-B
1
CNP931
+B
A_+B
1
+B
D_+B
D_+B
2
D_GND
3
REMOCON
4
POW_KEY
5
POW_IND
6
DATA
7
CK
8
LCK
9
KEY1
10
KEY0
11
CNP934
JOG-B
1
JOG-A
2
D_GND
3
KEY4
4
KEY3
5
KEY2
6
A_+B
+B
7
DIMMER
A +B
D GND
IC701
D +B
TA7291S
SCL
LOADING
SDA
IC701
OPEN_SW
CLOSE_SW
PNL_OP
MOTOR_+
MOTOR_–
MO700
CONTROL
PANEL MOTOR
CD-CH1500
CNS720
A_+B
1
D_+B
2
D_GND
3
4
5
6
DATA
7
CK
8
LCK
9
KEY1
10
11
LED770
SW761~SW764
SW770,SW772,
SW773,SW778,
SW784,SW786
LED735,
LED737,LED738
Q707
CNP701
1
VLCD
1
VSS
2
VDD
3
4
5
5
D_GND
SW705
OPEN/CLOSE
M