Sharp CD-CH1500 Service Manual page 22

CD-CH1500
A
B
C
FFC901
1
D
P26 1 - E
CNP1
TO CD SERVO PWB
E
33
F
TAPE MECHANISM
ASSEMBLY (1/2)
TAPE
MECHANISM
PWB-H
+SOL
SENSOR OUT
PLAY SW
SOLENOID
+MTR
G
PLAY
SWITCH
+
M
+5V SENSOR
–
–COM
TAPE
MOTOR
CST_SW
CASSETTE
SWITCH F_REC
R_REC
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 13.
1
GND
33
FH_C-SW_B
32
FH_C-SW_A
31
FH_A-SW_E
30
FH_A-SW_D
29
FH_A-SW_C
28
FH_A-SW_B
27
FH_A-SW_A
26
FH_T-SW_A
25
FH_T-SW_B
24
FH_T-SW_C
23
CD-SW
22
21
CD_RES
20
CD_CCE
19
CD_BUCK
18
CD_BUS3
17
CD_BUS2
16
CD-RW
15
CD_BUS1
14
T-MO_REV
13
CD_BUS0
12
T-MO_FOR
11
CD_L
10
PU-IN
9
A_GND
8
C-MO_REV
7
CD_R
6
C-MO_FOR
C901
5
CD_GND
1000/6.3
4
CD_GND
3
CD_+B
2
CD_+B
1
+B
Q905
2SB561 C
0V 11.4V
R1011
100K
C913
FFC970
2.2/50
3 2
1
1
12
1 0V 5V
R1013 1
11
2
47K
10
3
4 9
0V
8
5
L910
47µH
7
6
7 6 C912
47/16
5 2SB561 C
8
4
9
3
10
2
11
1
12
12
12
2
Figure 22 SCHEMATIC DIAGRAM (3/11)
+B
C936
100P
LED-TIMER
(CH)
DIMMER
R933
1K
S-MUTE
R1035
5.6K
P-CLOSE
R935
1K
P-OPEN
R1036
5.6K
X901
C902
600kHz
0.1
C941
C942 X902
22P
18P
C943 32.768kHz
(CH)
(CH)
0.1
R1044
22K
RX_IN
R944
1K
R1065 JOG-A
10K
JOG-B R966
1K
R1066
10K
R948
1K
L901
100µH
R1003
4.7K
D906
IC905
DS1SS133
R1001 KIA7042AP
47K
RESET
Q901
KRC102 M C905
3.3/50
3
IC905
2 3
5V
5V
2
1
R1002
C903
100K
0.1/50
C906
0.1
D907
DS1SS133
SOLENOID DRIVER
+B
Q906
R1012
KRC107 M
1K
3 SOL
11.3V
0V
2
1
Q907
RUN_PUL
KRC107 M
RUN PULSE
R1133
CAM-SW
470
MOTOR DRIVER
11.4V
+B
MOTOR DRIVER
R1014
100K
2 3 MOTOR
11.3V 0V
Q908 Q909
R1015
820 1 KRC107 M
+B
CST-SW
SIDE-A
SIDE-B
P21 9 - H
TO AUDIO SECTION
3 4
– 22 –
R1124
10K
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
31
R932
32 TIMER LCD 5V
1K
5V
33 BACK LED CONT
R934
34 SYS MUTE 5V
1K
35 C FUTA CL 5V
R936
36 0.2V
C FUTA OP
1K
5V 28 POWER RLY 0.8V
37 VDD
38 IX0417AW
X2 2.6V
39 X1 2.3V
R941
40 VSS 0V
330K
41 XT2 2.8V
MICROCOMPUTER
42 2V
XT1
R943 RES
43 RESET 4.4V
1K
44
REMOCON 5V AVDD A 5V
51
R965
45 JOG-A 5V
52 Vref 0 5V
1K
46 JOG-B 5V 53
KEY 0 5V
R947
47 SYS STOP 5V 54 KEY 1 5V
1K
48 PROTECT 5V
R995
49
SP RLY 5V
1K
50 POWER KEY 5V
R946
1K
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
C917
0.1
C916
0.1
C998
22/10
+B
+B
R1046
12K
R1055 R1057
10K 10K
D901
DS1SS133
+B
D902
DS1SS133
1
5V
C907
10/50
+B
+B
g h i
O Q P X Y U V W T R S d
f
P21 12 - C P21 7 - H
TO AUDIO SECTION
TO AUDIO SECTION
5
C950
C958
C957
150P
390P
(CH) 150P
(CH)
R1031 0V
1 VSS
EX-DATA 1K
0V
2 DATA
EX-CLK
R1007 0V
3
CLK
1K
LCK1
0V
4 LCK
CD-SW R1008
1.1V
5 CD-SW
1K
R1141
6
NC
1K
7 NC
8
NC
0V
9 CD-R_
+B
+B
R1068
10K
D951
DS1SS
9 8 7 6 5 4 3 2
0V
5V REC M
0V
FH
0V
FH
4 0V FH
DEST_OUT1 0V
3 REC BIAS 0V 0V FH
IC901
2 REC 0V
5V CD PIC
1 PB MUTE 5V
5V
CD RE
0V
SYSTEM
0V CD B
0V CD B
0V CD B
0V CD B
80 FH A-SW A 0.2V
5V CD B
79 FH A-SW B 0.2V
78 0.2V 5V CD
FH A-SW C
77 FH A-SW D 0.2V
5V FH C-S
0.2V FH C-S
0.2V FH T-S
5V FH T-S
0.2V FH T-S
C964
R1088
0.1
5.6K
R1062
3.3K
5V
C1
+B
+B
-B
+B
+B
A_GND
c b a 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
CNP806
P28 1 - C
TO POWER PWB
6
CD
1
0
B