Service manual
CD-CH1000
– 28 –
Figure 28 BLOCK DIAGRAM (3/6)
1
1
11
11
11
10
9
8
7
6
5
4
3
2
1
g
h
i
TO CD PWB
O
Q
PXY
U
V
W
T
R
Sd
f
c
b
a
TO POWER
PWB
+B
IC905
CNP806
3
2
1
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
VO
L
X902
32.768kHz
Q909
Q908
Q907
Q906
Q905
IC905
KIA7042AP
RESET
Q901
X901
8MHz
CNP970
FFC970
IC901
IX0353AW
SYSTEM
MICROCOMPUTER
CNP901
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
+
–
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
7
40
41
42
43
44
45
46
47
48
49
50
31
32
33
34
35
36
37
38
39
9 8 7 6 5 4 3
CD
C
83 FH T-SW C
82 FH T-SW B
81 FH T-SW A
LCD E
F
H
CD MUTE
FH
F
H
F
H
AVref1
AVSS
Vref 0
AVDD A
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
P
TEST/Vpp
LCK2
LCK1
VDD
DEST_OUT2
FH
C
FH
C
FH A-SW E
FH A-SW D
FH A-SW C
C
D
C
D
C
D
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
C
D
C FUTA CL
SYS MUTE
C
D
REC
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
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
49 SP RLY
50 POWER KEY
NC
NC
GND
PLAY
SWITCH
CASSETTE
SWITCH
SOLENOID DRIVER
RUN PULSE
MOTOR DRIVER
SYS STOP
+5V