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Replaceable Electrical Parts
1780R-Series Service Manual
8–109
Replaceable electrical parts list (cont.)
Component
number
Mfr. part numberMfr. codeName & description
Serial no.
discont’d
Serial no.
effective
Tektronix
part number
136–0925–00 SOCKET,DIP::PCB,24 POS,2 X 12,0.1 X 0.3 CTR,0.196 H
X 0.130 TAIL,BECU,TIN,ACCOM 0.008–0.015
00779 2–641932–3
*END MOUNTING PARTS*
A6U686 156–2584–00 IC,DIGITAL:HCMOS,FLIP FLOP,OCTAL
D–TYPE,CLEAR,74HC273,DIP20.3,TUBE
01295 SN74HC273N
A6U695 156–2761–01 IC,DIGITAL:HCMOS,MULTIVIBRATOR,DUPLICATE OF
156–2761–00,74HC221A,DIP16.3
0JR04 TC74HC221AP
A6U735 156–3599–00 IC,LINEAR:BIPOLAR,OP–AMP,CURRENT
FEEDBACK,50MHZ,EL2020CN,DIP08.3
64762 EL2020CN
A6U751 156–2906–00 IC,DIGITAL:HCMOS,COUNTER,DUAL 4–BIT BINARY
RIPPLE,74HC393,DIP14.3
04713 MC74HC393N
A6U757 156–1324–00 IC,LINEAR:BIPOLAR,COMPARATOR,TTL,20NS,COMPL
EMENTARY OUTPUT,W/STROBES,LM361N,DIP14.3
1CH66 NE529N SUPR II–B
A6U764 156–2558–00 IC,LINEAR:BIPOLAR,VOLTAGE REGULATOR,
POSITIVE,12V,1.5A,2%,MC7812ACT,TO–220
01295 TL780–12CKC
A6U803 156–3226–00 IC,LINEAR:BIPOLAR,OP–AMP,35 MHZ,UNITY GAIN
STABLE,LM6361N,DIP08.3
27014 LM6361N
A6U864 156–2559–00 IC,LINEAR:BIPOLAR,VOLTAGE REGULATOR,
NEGATIVE,–12V,1.5A,2%,MC7912ACT,TO–220
04713 MC7912ACT
A6VR390 152–0166–00 DIODE,ZENER:6.2V,5%,0.4W,1N5995B,DO–35/DO–204A
H,T&R
04713 1N5995BRL
A6VR418 152–0486–00 DIODE,ZENER:6.2V,2%,0.4W,1N825 FMLY,DO–7 OR
DO–35,T&R
04713 1N825CRL
A6VR577 152–0461–00 DIODE,SIG:6.2V,5%,0.4W,1N821,DO–7 04713 1N821
A6VR796 156–1631–00 IC,LINEAR:BIPOLAR,VOLTAGE REGULATOR,
SHUNT,ADJUSTABLE,100MA,TL431CLP,TO–92
01295 TL431CLP
A6W669 131–0566–00 BUS,CONDUCTOR:DUMMY RES,0.094 OD X 0.225 L
W/WIRE LEADS
57668 TPW 02–000
A6W858 131–0566–00 BUS,CONDUCTOR:DUMMY RES,0.094 OD X 0.225 L
W/WIRE LEADS
57668 TPW 02–000
A6Y195 158–0368–00 XTAL UNIT,QTZ:3.589MHZ,0.002%,PAR,32PF,MINI DIP
(1780R ONLY)
14301 016–210–00053
A6Y195 158–0367–00 XTAL UNIT,QTZ:4.421303MHZ,+/–0.002%,PRL
30PF,MINI DIP PKG,8 PIN DIPCOMPATIBLE
(1781R ONLY)
14301 016–210–00054
*ATTACHED PARTS*
346–0032–00 STRAP,RETAINING:0.075 DIA X 4.0 L,MLD RBR 98159 2829–75–4
*END ATTACHED PARTS*