Akai GX-77 Service Manual page 63

SECTION 3
SCHEMATIC DIAGRAM
1. SCHEMATIC DIAGRAM OF ICs
2. GX-77 NO. 2-1 1622028A POWER & SYSCON SCHEMATIC DIAGRAM
3. GX-77 NO. 2-2 1622033A AMP SCHEMATIC DIAGRAM
HD14042BP
TRUTH TABLE
Qt
caren | —O
Oks i a ee
i=
OQ LATCH
LATCH ae H: HIGH LEVEL
3
@ u
L: LOW LEVEL
LATCH (1) a3
NJM4558D
65