Microcomputer's Terminal Description - Kenwood KDC-C517FM Service Manual

MICROCOMPUTER'S TERMINAL DESCRIPTION

GIC7 (CD PLAYER UNIT : X32-5090-0X)
Pin No. Pin Name I/O
1 NOR/RW O
2 TSTB O
3 P-CON O
4 FOK I
5 XTALEN O
6 RST O
7 SAO O
8 SSTB O
9 VDD -
10 X2 -
11 X1 I
12 VSS -
13 XT2 -
14 XT1 I
15 RESET I
16 FOGUP I
17 MGSW I
18 EJSW I
19 COMMSW I
20 PACK I
21 CH-CON I
22 BUDET I
23 AVDD -
24 AVREF0 I
25 HOT I
26 LPS I
27 LOESW I
28 LIMSW I
29 TOFF I
30 ADJSEL I
31 TBANK I
32 SIM2 I
33 AVSS -
34 LPSCO O
35 AMUTE O
36 AVREF1 I
37 SDI I
38 SDO O
39 SCK O
40 DATAH I
Description
CD-DA/CD-RW Switching
CD-TEXT parameter strobe
P-CON output
Focus OK input
Servo IC oscillation stop control
Servo IC reset terminal
Servo IC command/parameter setting terminal
Servo IC command/parameter setting strobe terminal
Positive power supply connection terminal
Main clock resonator connection terminal 2
Main clock resonator connection terminal 1
Ground connection terminal
Sub clock resonator connection terminal 2
Sub clock resonator connection terminal 1
System reset input
Vibration detect input
Magazine switch input
Eject switch input
5-line communication old/new switch input
Text data pack synchronous signal input
Changer control input
Momentary power down detection input
A/D converter positive power supply connection terminal Connected to D 5V lines.
A/D converter reference voltage input
Rise in temperature detection input
LPS Mechanical deck position detection input
Loading complete switch input
Limit switch input
Tracking OFF mode terminal
Servo automatic adjustment ON/OFF terminal
Tracking gain switching mode terminal
Destination input 2
A/D, D/A converter ground connection terminal
LPS A/D converter reference power control output Not used(N.C.)
Audio mute output
D/A converter reference voltage input
Servo IC communication serial data input
Servo IC communication serial data output
Servo IC communication serial clock output
Data input from H/U
KDC-C517FM, C717/Y
Processing Operation
Not used(N.C.)
Not used(N.C.)
"Hi" : Focus OK
"Hi" : Oscillation stop
"Lo" : Reset
"Hi" : Parameter setting, "Lo" : Address resister setting
"Hi"➝"Lo" : Serial data latch
Connected to D 5V lines.
Connected to GND lines.
Not used(N.C.)
Not used(connected to GND lines.)
"Lo" : System reset
"Hi" : Vibration detect
"Hi" : Magazine in
"Hi" : Eject switch ON
"Hi" : New communication, "Lo" : Old communication
"Hi"➝"Lo" : The head of the pack data
"Hi" : Standby mode, "Lo" : Operation mode
"Hi" : When momentary power down detected or BU OFF
"Lo" : BU ON
Connected to PON 5V lines.
"Lo" : Loading complete
"Lo" : Pickup most inner position
Not used(pull down to GND lines.)
Not used(pull down to GND lines.)
Not used(pull down to GND lines.)
Not used(pull down to GND lines.)
Connected to GND lines.
"Lo" : Audio mute ON
Connected to D 5V lines.
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