Read Sharp CD-CH1000 (serv.man26) Service Manual online
– 33 –
CD-CH1000H/CD-CH1000W
Figure 33 BLOCK DIAGRAM (4/6)
+B
8 7 6 5 4 3 2 1
TO POWER PWB
TO POWER
PWB
OWER
WB
WB
IC913
CNP102
CNP807
806
DIMMER
3
2
1
+B
+B
+B
+B
+B
+B
SW711,SW712,
SW720~SW725
Q954
Q955
IC701
TA7291S
LOADING
MOTOR DRIVER
1 2 3 4 5 6 7 8 9
IC913
KIA7805P
VOLTAGE REGULATOR
BI940
CNS940
BI950
BI960
IC912
BU2092F
OUTPUT
EXPANDER
CNP934
CNP931
UNA902
OPTICAL FIBER
DATA LINK
+B
REC_RCH
REC_LCH
A_GND
TAPE_L
TAPE_R
TO AUDIO SECTION
TAPE_R
TAPE_L
A_GND
REC_LCH
REC_RCH
REC_MUTE
REC_CONT
REC_BIAS
l
8 7 6 5 4 3 2 1
POWER_RLY
SP_RLY
PROTECT
FAN
D_GND
SP_DET
SP_RLY
UN_SW 5V
AC_RLY CTL
A_-B
D_GND
FAN_CTL
1 2 3 4 5 6 7 8
M_+B
M_GND
CD_+B
CD
_
GND
CD_+B
M_GND
M_+B
PNL_OP
PNL_CL
D GND
A +B
SDA
SCL
D +B
D_GND
KEY4
KEY3
KEY2
KEY2
JOG-B
JOG-A
A_+B
7
6
5
4
3
2
1
D_+B
18
17
16
15
14
13
12
11
10
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CD-R_SEL
SW12
LCK
SW10
SW11
SW5
SW7
SW8
SW9
VSS
DATA
CLK
DATA
CLK
VDD
OE
A_+B
D_+B
D_GND
REMOCON
POW_KEY
POW_KEY
KEY0
KEY1
LCK
CK
DATA
POW_IND
11
10
9
8
7
6
5
4
3
2
1
LEVEL_R
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
73 74 75 76 77 78 79 80
8 7 6 5 4 3 2 1
CD RESET
CD CCE
FH A-SW B
FH M B-
FH A-SW A
FH M B+
FH M A-
FH M A+
CD RW
CD PICK IN
DEST_OUT2
VSS
FH C-SW B
FH C-SW A
FH A-SW E
FH A-SW D
FH A-SW C
CD BUS3
CD BUS2
CD BUS1
AS
TE
DEST_OUT1
CD BUCK
CD BUS0
REC MUTE
LCD
-RW
LCD-E
RUN
PULSE
T-SOL
T-MOTOR
NC
NC
NC
NC
m
j
k
m
8 9 10 11 12 13 14 15
IC701
+B
Q724
Q720
Q721
Q723
Q725
Q722
SW710,
SW730~SW735
LED759
LED731
LED754
LED756
LED757
LED758
LED755
SW701
POWER
RX701
REMOTE
SENSOR
LED770
SW750~SW753,
SW755,SW756,SW758
SW755,SW756,SW758
JOG701
JOG DIAL
SW761~SW764
Q708
LED776,
LED783-
LED785
LED783-
LED785
SW770,
SW772~SW774,
SW776,SW778
SW772~SW774,
SW776,SW778
CNS720
CNS770
IC702
OUTPUT
EXPANDER
BU2092F
LED_4
LED_1
LED_2
LED_3
LED_5
LED_6
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Q10
VDD
__
OE
Q11
Q9
Q8
Q7
Q6
Q5
Q3
Q4
Q2
Q1
Q0
LCK
CLOCK
VSS
POW_IND
DATA
CK
LCK
LCK
KEY0
KEY1
POW_KEY
REMOCON
D_GND
D_+B
A_+B
LED_EG
LED_5
LED_4
LED_3
LED_2
LED_1
A_+B
JOG-A
JOG-B
JOG-B
KEY2
KEY3
KEY4
D_GND
D_GND
3
2
1
5
6
7
8
9
9
10
11
1
2
3
4
4
4
3
6
7
5
2
1
DATA
+B
+B
+B
+B
+B
+B
+B
+B
5
1
CNP701
Q707
LED701 ~ LED709,
LCD720
LCD DISPLAY
LED716 ~ LED724
5
1
2
3
4
3
4
VDD
VSS
VLCD
SW705
OPEN/CLOSE
MO700
CONTROL
PANEL MOTOR
MOTOR_–
MOTOR_+
D_GND
CLOSE_SW
OPEN_SW
M
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