Read Sharp CD-CH1000 (serv.man26) Service Manual online
CD-CH1000H/CD-CH1000W
– 32 –
Figure 32 BLOCK DIAGRAM (3/6)
1
1
11
11
11
10
9
8
7
6
5
4
3
2
1
g
h
i
TO CD SERVO PWB
O Q P X Y U V W T R S d
f
c
b a
TO POWER
PWB
+B
IC905
CNP806
3
2
1
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
SW901
SPAN SELECTOR
FOR CD-CH1000W ONLY
VOLT
X902
32.768kHz
Q909
Q908
Q907
Q906
Q905
IC905
KIA7042AP
RESET
Q901
X901
8MHz
CNP970
FFC970
IC901
IX0385AW
SYSTEM
MICROCOMPUTER
IC912
BU2092
OUTPUT
EXPAND
CNP901
33
32
31
30
29
28
27
26
25
24
23
22
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
20
19
18
17
16
15
14
13
12
17
16
15
14
13
12
11
10
10
9
8
7
6
5
4
3
2
1
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
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
+
–
1
2
3
4
5
6
7
8
9
10
11
F_REC
CST_SW
NC
NC
–COM
+MTR
+5V SENSOR
SENSOR OUT
+SOL
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
CST-SW
LEVEL_L
LEVEL_R
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
40
41
42
43
44
45
46
47
48
49
50
31
30 29 28 27 26
24
25
23 22 21
19 18 17 16 15 14 13 12 11 10
20
32
33
34
35
36
37
38
39
9 8 7 6 5 4 3 2
CD RE
CD
83 FH T-SW C
82 FH T-SW B
81 FH T-SW A
LCD E
FH
A
-SW
B
FH
CD MUTE
FH M
FH
FH M
AVref1
AVSS
Vref 0
AVDD A
CD
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 PIC
TEST/Vpp
LCK2
LCK1
VDD
DEST_OUT2
FH C-S
FH C-S
FH A-SW E
FH A-SW D
FH A-SW C
CD B
CD B
CD B
JOG-B
KEY 4
KEY 3
KEY 2
KEY 1
KEY 0
BACK LED CONT
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 B
C FUTA CL
SYS MUTE
CD B
REC M
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
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
49 SP RLY
50 POWER KEY
GND
PLAY
SWITCH
CASSETTE
SWITCH
SOLENOID DRIVER
RUN PULSE
MOTOR DRIVER
SYS STOP
+5V
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