Kenwood KDC-C521FM - CD Changer With RF Modulator, Руководство по обслуживанию

Страница: 6 / 36

KDC-C471FM/C521FM
6
●
MECHANISM MICROCOMPUTER : 784214AGC-165 (X32 : IC7)
Pin No. Pin Name I/O Description Processing Operation
1 NOR/RW O CD-DA/CD-RW Switching Not used (N.C.)
2 TSTB O CD-TEXT parameter strobe
3 P-CON O P-CON output Not used (N.C.)
4 FOK I Focus OK input “Hi” : Focus OK
5 XTALEN O Servo IC oscillation stop control “Hi” : Oscillation stop
6 RST O Servo IC reset terminal “Lo” : Reset
7 SAO O Servo IC command/parameter setting terminal “Hi” : Parameter setting, “Lo” : Address resister setting
8 SSTB O Servo IC command/parameter setting strobe terminal “Hi”
→
“Lo” : Serial data latch
9 VDD - Positive power supply connection terminal Connected to D 5V lines
10 X2 - Main clock resonator connection terminal 2
11 X1 I Main clock resonator connection terminal 1
12 VSS - Ground connection terminal Connected to GND lines
13 XT2 - Sub clock resonator connection terminal 2 Not used (N.C.)
14 XT1 I Sub clock resonator connection terminal 1 Not used (connected to GND lines)
15 RESET I System reset input “Lo” : System reset
16 FOGUP I Vibration detect input “Hi” : Vibration detect
17 MGSW I Magazine switch input “Hi” : Magazine in
18 EJSW I Eject switch input “Hi” : Eject switch ON
19 COMMSW I 5-line communication old/new switch input “Hi” : New communication, “Lo” : Old communication
20 PACK I Text data pack synchronous signal input “Hi”
→
“Lo” : The head of the pack data
21 CH-CON I Changer control input “Hi” : Standby mode, “Lo” : Operation mode
22 BUDET I Momentary power down detection input
“Hi” : When momentary power down detected or
BU OFF “Lo” : BU ON
23 AVDD - A/D converter positive power supply connection terminal Connected to D 5V lines
24 AVREF0 I A/D converter reference voltage input Connected to PON 5V lines
25 HOT I Rise in temperature detection input
26 LPS I LPS Mechanical deck position detection input
27 LOESW I Loading complete switch input “Lo” : Loading complete
28 LIMSW I Limit switch input “Lo” : Pickup most inner position
29 TOFF I Tracking OFF mode terminal Not used (pull down to GND lines)
30 ADJSEL I Servo automatic adjustment ON/OFF terminal Not used (pull down to GND lines)
31 TBANK I Tracking gain switching mode terminal Not used (pull down to GND lines)
32 SIM2 I Destination input 2 Not used (pull down to GND lines)
33 AVSS - A/D, D/A converter ground connection terminal Connected to GND lines
34 LPSCO O LPS A/D converter reference power control output Not used (N.C.)
35 AMUTE O Audio mute output “Lo” : Audio mute ON
36 AVREF1 I D/A converter reference voltage input Connected to D 5V lines
37 SDI I Servo IC communication serial data input
38 SDO O Servo IC communication serial data output
39 SCK O Servo IC communication serial clock output
MICROCOMPUTER’S TERMINAL DESCRIPTION
www. xiaoyu163. com
QQ 376315150
9 9
2
8 9
4 2
9 8
TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299