Technics SL-HD505, Руководство по обслуживанию

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Pin
No.
Mark I/O
Division
Function
23 CHK
MODE
I Not used (Connected to power supply
through registor)
24 CLK
CNT
O Clock control signal output terminal (Not
used, open)
25 CLK
SPD
O Communication clock velocity select
input terminal
26 CS O Communication request receiving signal
terminal to FL drive/ system control IC
27 REQ I Communication request signal terminal
to FL drive/ system control IC
28 DTI I Data input terminal from FL drive/
system control IC
29 DTO O Data output terminal to FL drive/ system
control IC
30 NC — Not used, open
31 CLK O Clock terminal to FL drive/ system
control IC
32 DISPLE
D
O LED drive signal output terminal
33 CLOSE O Loading motor "CLOSE" command
signal output terminal
34 OPEN O Loading motor "OPEN" command signal
output terminal
35 CLOSE
SW
I Disc tray "CLOSE" det. switch signal
input terminal
36 OPEN
SW
I Disc tray "OPEN" det. switch signal
input terminal
37 REST
SW
I Rest position det. signal input terminal
38 STAT I Status signal terminal
39 V
DD
I Power supply terminal
40 CDUNIT I Connected to power supply through
registor
41 MODEL I
42 NC — Not used, open
43 NC —
44 KEY0 I Key switch 0 det. input terminal
45 KEY1 I Key switch 1 det. input terminal
46 KEY2 I Key switch 2 det. input terminal
47 SPEED O PLL filter of CD unit select output
terminal
48 STR0 O Key switch 0 det.output terminal
29
SL-
SL- SL-
SL-HD50
HD50 HD50
HD505
5 5
5