Interface, Ic Pin Function Description; System Control - Mechanism Block Interface - Sony SLV-495 Service Manual

SECTION 6
INTERFACE, IC PIN FUNCTION DESCRIPTION
6-1. SYSTEM CONTROL — MECHANISM BLOCK INTERFACE (MA-289 board IC 160)
Si
E
CA
1C160 @
MA-289 Board
Ic160 @ L L L
m | wf n
MA-289 Board
MA-289 Board
*4, Normally "L". 2 msec period "H'" pulse when tape top or end is detected.
*5. Hi-Z
MA-289 Board
END LED | 10160 @
L *3
*3 *3
*3 3 | 3
CTLIN+ =| 10160 co a Ns a A *7 *7
MA-289 Board
DRUM FG 1C160 @ '4 4.
MA-289 Board
CAPFG | 1¢160@
R
P
MA-289 Board
jcarnev freio@ | © |
MA-289 Board
c10@ | O
MA-289 Board
taal
*1. 30 Hz pulse
*2. Pulse of period in propotion to tape speed.
*3. 30 Hz "H" pulse.
*4, 720 Hz pulse.
*5. Unstable period pulse.
*6. DC voltage 1 ~ SV.
*7, Hi-Z (2.5V).