Replacement Parts List - Technics SL-DV250 Service Manual

Pin Mark I/O
No. Division
25 LED- O
CLR
26 PLG O
27 SW5 I
28 PSTN I
29 SW2 I
30 SW1 I
31 SW3 I
32 CCW O
33 CW O
34 HALH O
35 DVD- I
CLK
36 DVD- O
CMD
37 DVD- I
STAT
38 DV/HD —
39 SW4 I
40 KEY2 I
41 KEY1
42 RGN I
CS

20. Replacement Parts List

Notes:
*Important safety notice: / Components identified by
Function
Latch clear signal output
terminal to LED drive
Plunger control signal output
terminal
Bottom switch detect signal
input terminal
Position sensor detect signal
input terminal
Disc tray position 2 detect
signal input terminal
Disc tray position 1 detect
signal input terminal
Disc tray open detect signal
input terminal
Motor drive control signal
output terminal (forward
direction)
Motor drive control signal
output terminal (reverse
direction)
Motor drive control signal
output terminal (speed)
Serial communication signal
input terminal for DVD main
micro-computer
Serial communication signal
output terminal for DVD main
micro-computer
Serial communication signal
input for DVD main micro-
computer
Connected to GND through
resistor
Clamp switch detect signal
input terminal
Operation key signal input
terminal
Area select signal input
terminal
mark have special characteristics
51