Microcomputer's Terminal Description - Kenwood KDC-CX89 Service Manual

KDC-CX89/CMP59FM/C719MP/CPS89MP

MICROCOMPUTER'S TERMINAL DESCRIPTION

•
IC2 (CD PLAYER UNIT)
PIN No. Pin Name
1 PON
2 NC
3 MSTOP
4,5 NC
6 RST
7 MUTEIN L
8 MUTEIN R
9 VDD
10 X2
11 X1
12 VSS
13 XT2
14 XT1
15 RESET
16 NC
17 MGSW
18 EJSW
19 COMMSW
20 NC
21 CH-CON
22 BUDET
23 AVDD
24 AVREF0
25 HOT
26 LPS
27 LOESW
28 NC
29 TOFF
30 SRVSEL
31 SLNSA
32 ADJSEL
33 AVSS
34,35 NC
36 AVREF1
37-39 NC
40 DATAH
41 DATAC
42 HCLK
43 REQC
44 CHMUTE
45 MUTE L
46 MUTE R
47-71 NC
72 VSS
73-80 NC
81 VDD
82 NC
83 REQH
84 SP/LO+
6
I/O Description
O PON output
-
O
Mechanism stop signal
-
µ
O Mechanism -com reset signal
I Lch MUTE signal input
I Rch MUTE signal input
- Positive power supply voltage connection terminal
- Oscillator connection terminal 2
I Oscillator connection terminal 1
Ground connection terminal
Sub clock resonator connection terminal 2
Sub clock resonator connection terminal 1
I Reset input
-
I Magazine switch
I Eject switch
I Communication Old/New switch input
-
I Changer control input from H/U
I Momentary power down detection
- A/D converter analog power supply terminal
I A/D converter reference voltage input
I Rise in temperature detection
I Mechanical deck position detection
I Loading complete switch
-
I Tracking off mode
I
Servo active mode
I Sled non-sensitive area ON/OFF
I Servo automatic adjustment ON/OFF
- A/D converter reference ground terminal
-
- A/D converter reference voltage
-
I Data input from H/U
O Data output from the changer
I/O Communication clock with H/U
O Communication request to H/U
O Audio mute output to H/U
O Lch audio mute output
O Rch audio mute output
-
- Ground connection terminal
-
- Positive power supply connection terminal
-
I Communication request from H/U
O Spindle/Loading control terminal
Processing Operation
H: Power OFF L: Power ON
L: Mechanism stop
L: Reset
L: Mute ON
L: Mute ON
H: Magazine in
H: Switch ON
H: New L: Old
H: System ON
H: Momentary power down detection ON
4V(90°C) or greater : detection
4V or less : Not detection
L: Loading complete
H: Tracking OFF
H: Servo mode
L: Non-sensitive ON
H:Automatic adjustment OFF
L: Mute ON
L: Mute ON
L: Mute ON