JVC CA-MXS6MDR Service Manual page 54

CA-MXS6MDR
SP-MXS6MD
UPD780024AGKB08 (IC251) : Unit micon
1. Pin layout
64 ~ 49
1
~
16
17 ~ 32
2. Pin function (1/2)
Pin
Symbol
No.
1 E2SCK
2 E2SDL
3 MCS
4 MRDY
5 ITRVP3
6 ITRVP2
7 ITRVP1
8 ITRYSoc
9 VSSO
10 VDDO
11 /REST
12 CDEMP
13 CDTNO
14 CDCOPY
15 SUBQ
16 ICAMP1
17 SQCK
18 KCMND
19 MSTAT
20 KCLK
21 RXDO
22 TXDO
23 ICAMP2
24 VDD1
25 AVSS
26 KEY1
27 KEY2
28 TRY3CLOSE
29 TRY3OPEN
30 TRY2CLOSE
31 TRY2OPEN
32 TRY1OPEN
1-54
48
~
33
I/O Function
O EEPROM serial clock output
O EEPROM serial data I/O
O Synchronization / asynchronous system
I Ready signal input terminal
O Tray play position 3
O Tray play position 2
O Tray play position 1
I Sub tray open/close
I Ground
I Reference power supply voltage
I Rest switch
O CD emphasis
I CD track No. change
O CD copy right or wrong
I Sub Q data input
O Cam position 1
O Sub Q clock output
I Command signal input
O Status output
I Command data clock input
I (Command in)
O (Status out)
O Cam position 2
I Reference power supply 1
I Ground
I key1 signal from running jig
I Key2 signal from running jig
I Tray 3 close signal input
I Tray 3 open signal input
I Tray 2 close signal input
I Tray 2 open signal input
I Tray 1 open signal input