CD-CH1000 (serv.man11). Schematic diagrams - Sharp Audio Service Manual (repair manual). Page 8

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– 53 –
CD-CH1000H/CD-CH1000W
Figure 53 SCHEMATIC DIAGRAM (8/13)
7
8
9
10
11
12
+B
FROM 
DISPLAY PWB
FROM 
JOG PWB
FROM 
DISPLAY PWB
+B
+B
+B
8 7 6 5 4 3 2 1
P48  2 - A
TO POWER PWB
P56  1 - D
TO POWER PWB
MAIN PWB-A (3/3)
FROM 
MOTOR PWB
IC913
CNS720
CNS770
CNS701
CNP741
CNP102
CNP807
CNP806
DIMMER
CD-R_SEL
3
2
1
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
CD SIGNAL 
RECORD SIGNAL 
PLAYBACK SIGNAL 
FM SIGNAL 
P56  1 - D
POWER PWB
2
2
3
1
1
FOR CD-CH1000W
ONLY
CNS12
P46  1 - G
FROM
CD SERVO PWB
R1138
560K
R1130
4.7K 
R1139
560K
R1129
4.7K 
R999 1K
R982 1K
R949 1K
R997 1K
R998 1K
R996 1K
R1132
220
Q954
KTC3199 GR 
C1008
1/50
C1007
1/50
R1131
220
Q955
KTC3199 GR
C925
1/50
C926
1/50
IC701
TA7291S
LOADING 
MOTOR DRIVER
1 2 3 4 5 6 7 8 9 
R763
2.7K
R762
6.8K
C714
47/16
R768
2.2
(1/2W)
R1017
10K
R1016
10K
CNP933
R1028
27K
R1090
5.6K
R1089
5.6K
R1119
1K
R1118  1K
R1094 5.6K
R902 1K
C1006
47/50
C1005
0.1
C1003
47/50
C1004
0.1
IC913
KIA7805AP
VOLTAGE 
REGULATOR
R1112
12K
R1113
12K
C1002
2.2/50
C1001
2.2/50
D954
DS1SS133
D953
DS1SS133
D951
DS1SS133
D952 DS1SS133
R1105 10K
R978 1K
R989 1K
R916 1K
R928 1K
R976 1K
R977 1K
R979 1K
R980 1K
R981 1K
R990 1K
R1093 5.6K
R993
1K
R1092 5.6K
R992
1K
R1084 5.6K
R984 1K
R1085 5.6K
R985 1K
R1086 5.6K
R986 1K
R987 1K
R1087 5.6K
R1088 5.6K
R988 1K
R1071
33K
R1072
33K
R1081
5.6K
R1082
5.6K
C999
680P
L915
2.2
µ
H
R1023 1K
R972
 
1K
R904 1K
R1050 1K
R907 1K
R1027
10K
R1026
10K
C957
150P
(CH)
R901 1K
R906 1K
C958
390P
R1048
10K
R1024
10K
R908 1K
R1051 1K
R974 1K
R1040
10K
C970
0.1
C914
0.1
R905 1K
R1032 1K
R1052 1K
C977
100P(CH)
C976
0.1
C975
1/50
C974
0.1
C978
100P
(CH)
R903 1K
R994 1K
BI940
CNS940
BI950
ER
BI960
IC912
BU2092F
OUTPUT 
EXPANDER
CNP934
CNP935
CNP931
UNA902
OPTICAL FIBER
DATA LINK
CNP975
L912
2.2
µ
H
0V
5V
0V
0V
0V
2.8V
0V
0V
0V
0V
0V
0V
1.1V
3.5V
1V
0.3V
3.4V
1V
0.3V
5V
0V
8.6V
0.5V
11.4V
1.3V
0V
1V
1V
3V
0.5V
      5V
      5V   
      5V   
   0V
      0V
0V   
0V      
0V         
0V            
   (4.8V)
   (4.6V)
2V
2V
2V
.2V
   0.2V
   0.2V
   5V
   0.2V
0.2V   
5V   
5V   
5V   
0V   
0V   
0V   
0V   
0V   
5V   
5V   
5V   
0V   
0V   
0V   
0V   
0V   
+B
REC_RCH 
REC_LCH 
A_GND 
TAPE_L
TAPE_R
P49  12 - H
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
A
_+
10V
CD_+B
CD_GND
M_GND
M_+B
PNL_OP
PNL_CL
MOTOR_–
MOTOR_+
OPEN_SW
CLOSE_SW
D_GND
5
4
3
2
1
P-OPEN
P-CLOSE
LCD-E
LCD-RW
D GND
A +B
SDA 
SCL 
D +B
6
5
4
3
2
1
KEY2
JOG-B
JOG-A
KEY4
KEY3
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
1
CD-R_SEL
SW12
LCK
CD-SW
SW10
SW11
SW5
SW7
SW8
SW9
VSS
DATA
CLK
VDD
OE
P_CONT
LCD_RESET
AUX_SEL
DIG_SEL
FAN
PNL_OP
PNL_CL
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
KEY0
KEY1
LCK2
EX-CLK
EX-DATA
RX_IN
LED-TIMER
POWER
LEVEL_R 
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
CD RESET
CD CCE
FH T-SW C
FH T-SW B
FH T-SW A  
FH  M  B-
FH  M  B+
FH  M  A-
FH  M  A+
CD RW
CD  PICK  IN
VDD
DEST_OUT2
VSS
FH C-SW B
FH C-SW A
FH A-SW E
CD BUS3
CD BUS2
CD BUS1
EC BIAS
EC
B MUTE 
EST_OUT1
MD DSTB 
CD BUCK
CD BUS0
REC  MUTE
LCD-RW/CDR-DATA   
MD SID
LCD-E/CDR-CLK 
RUN PULSE
T-SOL
T-MOTOR
m
j
k
m
 7 8 9 10 11 12 13 14 15
DSTB
IC701
+B
+B
+B
+B
P55  8 - B
P54  5 - C
P55  7 - H
P54  6 - E
9
8
7
6
5
4
3
2
1
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