Service manual

CDhIl4000W//CP-M4000
IC7pl RH-iX0460AWZZ: System Microcomputer
(llX0460AW)
(i/2)
8
j
P31
/
DRF
I
Input CD RF level detection.
9
P30
WRQ
Input
CD DSP write request.
20
P24
21
P23
22
P22
23
P21
24
P20
25 AVSS
26
AN17
CD CE
CE
CLK
DI
DO
AVSS
o/c
SW
DISC NO SW
DSA-DATA
output
CD DSP CE output.
output
CE output.
output Clock output.
output Data output.
Input Data input.
-
Analog ground.
Input CD open/Close switch.
Input CD disc number switch.
Irlput/Output DS data input.
27
28
29
30
31-33
34
35
AN16
NO USE
Input
GND.
TUNER SM Input
Tuner signal meter input.
DSA-ACK
Input/Output
DSA acr.
AN15
SPEANA 2 Input Speana data input 16
kHz.
AN14
SPEANA 1
Input
Speana data input
1
kHz.
AN13
SPEANA 0 Input Speana data input 63
kHz.
ANl2-AN10
KEY P-KEY 0 Input Key input.
AVDD AVDD
Input
Analog VDD.
AVREF
AVREF
lnout Analoa REF voltaae.
36
1
lNTP3
1
P-IN
I
lnout
1
Power failure detect.
I
37
PO2
JOG 1
Input
JOG volume input 1.
38
PO1
JOG 0 Input JOG volume input 0.
39
INTPO
REMOCON
Input Remocon input.
40
vss vss
-
Ground voltage.
41
P74 SMUTE
output
System mute control.
42
P73
T-SOL-B output Tape 2 solenoid control.
43
P72
T-SOL-A output Tape
1
solenoid control.
44
P71
T-MOTOR output Tape motor control.
45
P70
TIMER LED
OUtDUt
Timer LED control.
46
VDD
VDD
Input
(+)
Power supply.
47
P127
AC RLY-CONT
output
AC relay control.
48
P126
SP-RLY output
Speaker output relay control.
45
P125
SP-DET
Input
Speaker output detection.
In this unit, the terminal with asterisk mark
(*)
is (open) terminal which is not connected to the outside.
-
48
-