Service manual
– 35 –
CD-CH1000
Figure 35 SCHEMATIC DIAGRAM (4/11)
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
TO POWER PWB
TO POWER
PWB
MAIN PWB-A (3/3)
FROM
MOTOR
PWB
IC913
CNS720
CNS770
CNS702
CNP741
CNP102
CNP807
6
DIMMER
CD-R_SEL
3
2
1
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
CD SIGNAL
RECORD SIGNAL
PLAYBACK SIGNAL
FM SIGNAL
P40 1-D
P42 1-A
R1142
2.2
R1140
2.2
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
KIA7805P
VOLTAGE
REGULATOR
R1112
12K
R1113
12K
C1002
2.2/50
C1001
2.2/50
D954
DS1SS133
D953
DS1SS133
D951
DS1SS133
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
R
1088
5
.6K
R988
1K
R1071
33K
R1072
33K
R1081
5.6K
R1082
5.6K
C999
680P
L915
2.2µH
R1023 1K
R904 1K
R1050 1K
R1027
10K
R1026
10K
7
P
)
R901 1K
R906 1K
C958
390P
R1048
10K
R1024
10K
R1051 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
4
1
BI940
CNS940
BI950
BI960
IC912
BU2092F
INPUT/OUTPUT
EXPANDER
CNP934
CNP935A
CNP931
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
0V
0V
0V
0V
0V
(4.6V)
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
TO AUDIO SECTION
P33 12-H
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_+B
M_GND
M_+B
PNL_OP
PNL_CL
P_CONT
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
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
7
4 75 76 77 78 79 80
7 6 5 4 3 2 1
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
DEST
_
OUT2
VSS
FH C-SW B
FH C-SW A
FH A-SW E
CD BUS3
CD BUS2
CD BUS1
T
1
CD BUCK
CD BUS0
REC MUTE
MD SID
LCD-E/CDR-CLK
T-SOL
T-MOTOR
T-MO_REV
T-MO_FOR
C-MO_REV
C-MO_FOR
PU-IN
FH_C-SW_B
FH_C-SW_A
CD_CCE
CD_BUCK
CD_BUS3
CD_BUS2
CD_BUS1
CD_BUS0
REC_MUTE
CD-RW
CD_RES
LCD-RW
LCD-E
FH_T-SW_C
FH_T-SW_B
FH_T-SW_A
FH T-SW C
FH T-SW B
REC_BIAS
REC_CONT
PB_MUTE
SOL
MOTOR
SID
NC
NC
NC
NC
m
j
k
m
10 11 12 13 14 15
DSTB
IC701
+B
+B
+B
P37 9-B
P36 6-C
P37 7-H
P36 6-E