Replaceable Electrical Parts
1780R-Series Service Manual 8–37
Replaceable electrical parts list (cont.)
Component
number Mfr. part numberMfr. codeName & description
Serial no.
discont’d
Serial no.
effective
Tektronix
part number
A2R374 322–3487–00 RES,FXD,FILM:500 OHM,1%,0.2W,TC=TO 57668 RB20 FXE 499E
A2R375 322–3487–00 RES,FXD,FILM:500 OHM,1%,0.2W,TC=TO 57668 RB20 FXE 499E
A2R376 322–3487–00 RES,FXD,FILM:500 OHM,1%,0.2W,TC=TO 57668 RB20 FXE 499E
A2R377 322–3258–00 RES,FXD:METAL FILM,4.75K OHM,1%,0.2W 56845 CCF50–4751F–R36
A2R378 322–3181–00 RES,FXD,FILM:750 OHM,1%,0.2W,TC=T0 91637 CCF50–7500F–R36
A2R380 322–3295–00 RES,FXD:METAL FILM,11.5K OHM,1%,0.2W 57668 CRB20 FXE 11K5
A2R381 322–3318–00 RES,FXD,FILM:METAL FILM,20K OHM,1%,0.2W 57668 CRB20T68EFX2002
A2R382 322–3260–00 RES,FXD,FILM:4.99K OHM,1%,0.2W,TC=T0 57668 CRB20T68EFX4991
A2R385 322–3330–00 RES,FXD,FILM:26.7K OHM,1%,0.2W,TC=T0 57668 CRB20 FXE 26K7
A2R387 322–3330–00 RES,FXD,FILM:26.7K OHM,1%,0.2W,TC=T0 57668 CRB20 FXE 26K7
A2R388 322–3235–00 RES,FXD:METAL FILM,2.74K OHM,1%,0.2W 57668 CRB20 FXE 2K74
A2R390 322–3357–00 RES,FXD,FILM:51.1K OHM,1%,0.2W,TC=T0 57668 CRB20 FXE 51K1
A2R392 322–3135–00 RES,FXD,FILM:249 OHM,1%,0.2W,TC=T0, 57668 CRB20 FXE 249E
A2R393 322–3289–00 RES,FXD:METAL FILM,10K OHM,1%,0.2W 57668 CRB20T29EFX1002
A2R394 322–3193–00 RES,FXD:METAL FILM,1K OHM,1%,0.2W 57668 CRB20T68EFX1001
A2R403 322–3001–00 RES,FXD,FILM:10 OHM,1%,0.2W 57668 CRB20T68EFX10R0
A2R404 322–3246–00 RES,FXD,FILM:3.57K OHM,1%,0.2W,TC=T0 57668 CRB20 FXE 3K57
A2R405 322–3222–00 RES,FXD:METAL FILM,2K OHM,1%,0.2W 57668 CRB20T68EFX2001
A2R406 322–3289–00 RES,FXD:METAL FILM,10K OHM,1%,0.2W 57668 CRB20T29EFX1002
A2R407 322–3289–00 RES,FXD:METAL FILM,10K OHM,1%,0.2W 57668 CRB20T29EFX1002
A2R408 322–3293–00 RES,FXD,FILM:11K OHM,1%,0.2W 57668 CRB20 FXE 11K0
A2R409 322–3325–00 RES,FXD,FILM:23.7K OHM,1%,0.2W,TC=T0 57668 CRB20 FXE 23K7
A2R410 322–3097–00 RES,FXD,FILM:100 OHM,1%,0.2W 57668 CRB20T68EFX1000
A2R412 322–3289–00 RES,FXD:METAL FILM,10K OHM,1%,0.2W 57668 CRB20T29EFX1002
A2R413 322–3300–00 RES,FXD,FILM:13K OHM,1%,0.2W,TC=T0 80009 322–3300–00
A2R414 322–3001–00 RES,FXD,FILM:10 OHM,1%,0.2W 57668 CRB20T68EFX10R0
A2R415 322–3385–00 RES,FXD:METAL FILM,100K OHM,1%,0.2W 57668 CRB20T29EFX1003
A2R416 322–3135–00 RES,FXD,FILM:249 OHM,1%,0.2W,TC=T0, 57668 CRB20 FXE 249E
A2R417 322–3135–00 RES,FXD,FILM:249 OHM,1%,0.2W,TC=T0, 57668 CRB20 FXE 249E
A2R418 311–2234–00 RES,VAR,TRMR:CERMET,5K OHM,20%,0.5W,0.197
SQ,TOP ADJUST,T&R TK2073 GF06UT2 502 M L20
A2R419 322–3072–00 RES,FXD,FILM:54.9 OHM,1%,0.2W,TC=T0 57668 CRB20 FXE 54E9
A2R420 322–3072–00 RES,FXD,FILM:54.9 OHM,1%,0.2W,TC=T0 57668 CRB20 FXE 54E9
A2R421 311–2229–00 RES,VAR,TRMR:CERMET,250 OHM,20%,0.5W,0.197
SQ,TOP ADJUST,T&R TK2073 GF06UT2 251 M L20
A2R422 311–2232–00 RES,VAR,TRMR:CERMET,2K OHM,20%,0.5W,0.197
SQ,TOP ADJUST,T&R 30983 ORDER BY
DESCRIPTION
A2R423 322–3275–00 RES,FXD,FILM:7.15K OHM,1%,0.2W,TC=T0 57668 CRB20 FXE 7K15
A2R424 322–3097–00 RES,FXD,FILM:100 OHM,1%,0.2W 57668 CRB20T68EFX1000