Icom IC-751A Service Manual page 100

NJM79L05A (NEGATIVE VOLTAGE REGULATOR) 9-2 LOGIC ICs
PIN CONNECTIONS yuPD4011BC (QUAD 2-INPUT NAND GATE)
PIN CONNECTIONS (Top View)
Voo As Ba Ya Y3 A3 Bs
+ ouput fel [3] fe] Ir) fol (9) []
2 Input
3 Common
D
LT J Ly 4! ts) te) 4
ND487C1-3R (DOUBLE BALANCED MIXER)
Ar
Br Y1 Ye Az B2 Vss
PIN CONNECTIONS uPD4013BC (DUAL D-TYPE FLIP-FLOP)
@
oar PIN CONNECTIONS (Top View)
© ®
or ——_® Qa G1] 14] Vop
® @ Qs [ZF 3] Qs
if Clocka [3 | 72] Oe
°
Reseta al
11] Clocks
TA78LOO8AP (8V POSITIVE VOLTAGE REGULATOR)
Dataa [5]
10} Resets
Seta [6] 9 | Datas
PIN CONNECTIONS
Vss 7 8} Sets
Sa
+ apa
uPD4030BC (QUAD EXCLUSIVE OR GATE)
3 Common
2 Output
PIN CONNECTIONS (Top View)
At fr Ha] Vpp
TC-5082P-GL (OSCILLATOR AND 12 STAGE DIVIDER)
Br ale
hs Aa
2] Ba
PIN CONNECTIONS
Ha] Ys
WWI ddodoog vss [7 | 8] Bs