Read Sharp CD-CH1500 (serv.man4) Service Manual online
– 17 –
CD-CH1500H/CD-CH1500W
Figure 17 BLOCK DIAGRAM (2/6)
1
1
12
12
11
12
10 9 8 7 6 5 4 3
2
1
g
h
i
TO CD SERVO PWB
+B
TO POWER
PWB
TO POWER
PWB
O
Q
P
X
Y
U
V
W
T
R
S
d
d
f
c
b
a
a
TO POWER
PWB
+B
IC905
IC913
CNP102
CNP807
CNP806
3
2
1
3
2
1
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
SW750~SW758
KEY0
UNA902
OPTICAL FIBER
DATA LINK
Q954
Q955
IC701
TA7291S
LOADING
MOTOR DRIVER
IC913
KIA7805AP
VOLTAGE REGULATOR
X902
32.768 kHz
Q909
Q908
Q907
Q906
Q905
IC905
KIA7042AP
RESET
Q901
X901
600 kHz
CNP970
FFC970
BI940
CNS940
BI950
IC901
IX0417AW
SYSTEM
MICROCOMPUTER
BI960
IC912
BU2092F
INPUT/OUTPUT
EXPANDER
CNP901
CNP934
CNP931
+B
33
32
31
30
29
28
27
26
25
24
23
22
FH_A-SW_A
FH_T-SW_C
FH_T-SW_B
FH_T-SW_A
FH_A-SW_B
FH_A-SW_C
FH_A-SW_D
FH_A-SW_E
FH_C-SW_A
FH_C-SW_B
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CD_BUS3
CD_BUCK
CD_CCE
CD_RES
CD_BUS2
CD-RW
CD_BUS1
T-MO_REV
CD_BUS0
T-MO_FOR
CD_L
PU-IN
A_GND
C-MO_REV
CD_R
C-MO_FOR
CD_GND
CD_GND
CD_+B
CD_+B
M
SOLENOID
+
–
2
1
3 4 5 6 7 8 9 10
11 12
F_REC
R_REC
CST_SW
–COM
+MTR
+5V SENSOR
SENSOR OUT
+SOL
REC_RCH
REC_LCH
A_GND
TAPE_L
TAPE_R
TO AUDIO SECTION
TAPE_R
TAPE_L
TAPE_L
A_GND
REC_LCH
REC_RCH
REC_MUTE
REC_CONT
REC_BIAS
l
D_GND
SP_DET
SP_RLY
SP_RLY
UN_SW 5V
AC_RLY CTL
A_-B
D_GND
FAN_CTL
M_+B
M_GND
CD_+B
CD_GND
A_+10V
A_GND
L CH
R CH
A_GND
A_+10V
A_GND
CD_+B
CD_GND
M_GND
M_+B
A_-B
AUX_SEL
L_CH
R_CH
A_GND2
C2B_CL
C2B_DO
C2B_CE
C2B_DI
S-MUTE
VSM
TO AUDIO SECTION
TO AUDIO SECTION
D_GND
A_+B
PB_MUTE
CD_MUTE
CD-R_SEL
A_GND
CD_R
CD_L
TO AUDIO SECTION
SIDE-A
SIDE-B
CST-SW
PNL_OP
PNL_CL
D GND
A +B
SDA
SCL
D +B
D_GND
KEY4
KEY3
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
9 8 7 6 5 4 3 2
2
3
1
1
CD-R_SEL
SW12
LCK
SW10
SW11
SW5
SW7
SW8
SW9
VSS
DATA
CLK
VDD
OE
A_+B
D_+B
D_GND
REMOCON
POW_KEY
KEY0
KEY1
LCK
CK
DATA
POW_IND
11 10
9 8 7 6 5 4 3 2 1
LEVEL_R
LEVEL_L
LEVEL_R
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
40
41
42
43
44
45
46
47
48
49
50
31
32
33
34
35
36
37
38
39
CD RESET
CD CCE
83 FH T-SW C
82 FH T-SW B
81 FH T-SW A
LCD E
FH A-SW B
FH M B-
FH A-SW A
CD MUTE
FH M B+
FH M A-
FH M A+
AVref1
AVSS
Vref 0
AVDD A
CD RW
RESET
XT1
XT2
VSS
X1
X2
VDD
TIMER LCD
30 LCD R/W
29 LCD RS
28 POWER RLY
27 N.C.
26 LCD DB7
CD PICK IN
TEST/Vpp
LCK2
LCK1
VDD
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
JOG-B
KEY 4
KEY 3
KEY 2
KEY 1
KEY 0
BACK LED CONT
LCD DB6
LCD DB6
LCD DB5
3 REC BIAS
2 REC
1 PB MUTE
LCD DB4
DATA
JOG-A
CST SW
CAM SW
B-FP SW
A-FP SW
DEST_OUT1
REMOCON
VSM
PROTECT
C FUTA OP
SPAN
CD BUCK
C FUTA CL
SYS MUTE
CD BUS0
REC MUTE
DEST_IN
CE
LCD-RW
LCD-E
TUNER DI
TUNER DO
TUNER CL
CLK
RUN PULSE
T-SOL
T-MOTOR
CAM-SW
RUN_PUL
MOTOR
SOL
PLAY SW
TAPE
MOTOR
CD-SW
m
j
k
m
49 SP RLY
50 POWER KEY
GND
IC701
+B
PLAY
SWITCH
SOLENOID
DRIVER
SOLENOID
DRIVER
RUN PULSE
MOTOR DRIVER
SYS STOP
SW711,SW712,
SW720~SW725
Q724
Q720
Q721
Q723
Q725
LED
DRIVER
LED
DRIVER
LED
DRIVER
LED
DRIVER
LED
DRIVER
Q722
SW710, SW730~SW735
LED759
LED731
LED754
LED756
LED757
LED758
LED755
SW701 POWER
RX701
REMOTE
SENSOR
LED770
JOG701
JOG DIAL
SW761~SW764
Q708
LED772~
LED776
SW770,SW772,
SW773,SW778,
SW784,SW786
CNS720
CNS770
IC702
INPUT/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
Q3
Q4
Q2
Q1
Q0
LCK
CLOCK
VSS
POW_IND
DATA
CK
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
KEY2
KEY3
KEY4
D_GND
3
2
1
5
6
7
8
9
10
11
1
2
3
4
4
3
6 7
5
2
1
DATA
+B
+B
+B
+B
+B
+B
5
1
CNP701
Q707
LED735,
LED737,
LED738
LED737,
LED738
LCD720
LCD DISPLAY
5
1
2
3
4
VDD
VSS
VLCD
SW705
OPEN/CLOSE
MO700
CONTROL
PANEL MOTOR
MOTOR_–
MOTOR_+
D_GND
CLOSE_SW
OPEN_SW
M
+5V
DIMMER
+B
SW901
SPAN SELECTOR
CD-CH1500W
ONLY
RESET
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
9
10
11
12
13
14
15
11
12
13
14
15
1
2
3
4
5
6
7
7
8
9
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
LCK
Q5
Click on the first or last page to see other CD-CH1500 (serv.man4) service manuals if exist.