Loewe Q2500B Serviceanleitung Seite 216

Technology of Q 2500 colour TV set
pin 24: WE (Write Enable)
So long as H level is present, the address
counter continues counting to write with WCK.
pin 25: IE (Input Enable)
Data inputs for Y/C signals are released at H
level.
pin 30: OE (Output Enable)
Data outputs for Y/C signals are released at H
level.
pin 21: RE (Read Enable)
So long as H level is present, the address
counter continues counting to read with RCK.
pin 32: RSTR (Reset Read)
H level sets the address counter to read at the
start of the memory area.
pin 33: RCK (Read Clock)
Cycle for reading the Y/C signals from the
memory.
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