
Performance Check—455/A 2/B 2
15. 50 kHz EXTERNAL TRIGGERING
a. Adjust generator o utput amplitude fo r 2.5 division
display.
b. Set A SOURCE switch to EXT.
c. CHECK—Stable display can be obtained in both +
and — positions of A SLOPE switch for AC and DC
positions of A COUPLING switch.
d. Set:
HORIZ DISPLAY
B D LY 'D
B SOURCE
EXT
e. CHECK—Stable display can be obtained in both +
and — positions o f B SLOPE switch fo r AC and DC
positions o f B COUPLING switch.
f. Adjust generator o utp ut amplitude fo r 5 division
display.
g. CHECK—Stable display can be obtained in both +
and — positions of B SLOPE switch fo r LF REJ and HF
REJ positions of B COUPLING switch.
h. Set HORIZ DISPLAY to A.
i. CHECK—Stable display can be obtained in both +
and — positions of A SLOPE switch fo r LF REJ and HF
REJ positions of A COUPLING switch.
16. 10 MHz EXTER N AL TRIGGERING
a. Set generator frequency to 10 MHz. Set A and B
TIME/DIV to .05
ms
.
b. CHECK—Stable display can be obtained in both +
and — positions of A SLOPE switch fo r LF REJ position
o f A COUPLING switch.
c. CHECK—No stable display can be obtained in HF REJ
position of A COUPLING switch.
d. Set HORIZ DISPLAY to B D LY 'D .
e. CHECK—Stable display can be obtained in both +
and — positions of B SLOPE switch for LF REJ position
of B COUPLING switch.
f. CHECK—No stable display can be obtained in HF REJ
position of B COUPLING.
g. Set HORIZ DISPLAY to A.
h. C H E C K -S ta ble display can be obtained in both +
and - positions of A SLOPE switch for AC and DC
positions of A COUPLING switch.
i. Set HORIZ DISPLAY to B DLY’D.
j. Set generator frequency to 50 kHz (reference) and
adjust output amplitude for 2 .5 —division display. Return
generator frequency to 10 MHz.
k. CHECK—Stable display can be obtained in both +
and — positions of B SLOPE switch for AC and DC
positions of B COUPLING switch.
17. 50 MHz EXTERNAL TRIGGERING
a. Set HORIZ DISPLAY to A and set CH 1 and CH 2
VOLTS/DIV switches to 50 mV.
b. Set generator frequency to 50 kHz (reference) and
adjust o utput amplitude for 5 division display.
c. Set generator frequency to 50 MHz.
d. CHECK—Stable display can be obtained in both +
and — positions of A SLOPE switch for AC, LF REJ,
and DC positions of A COUPLING switch.
e. CHECK—No stable display can be obtained in HF REJ
position o f A COUPLING switch.
f. Set HORIZ DISPLAY to B D LY 'D .
g. CHECK—Stable display can be obtained in both +
and — positions of B SLOPE switch fo r AC, LF R E j,
and DC positions of B COUPLING switch.
h. CHECK—No stable display can be obtained in HF REJ
position of B COUPLING switch.
3-8
REV FEB 1983
Summary of Contents for 455
Page 1: ...Tektronix 455 A2 B2 PORTABLE OSCILLOSCOPE WITH OPTIONS I N S T R U C T I O N M A N U A L ...
Page 9: ......
Page 13: ...455 A2 B2 x 455 A2 B2 Portable Oscilloscope ...
Page 61: ...Circuit Description 455 A2 B2 Fig 4 4 Channel switching gates REV A OCT 1975 4 9 ...
Page 66: ...Fig 4 6 Sweep generator 1C Function block diagram Circuit Description 455 A2 B2 ...
Page 80: ...Maintenance 455 A2 B2 BOTTOM FRAME Fig 5 7 VO LTS DIV switch disassembly 5 8 REV A OCT 1975 ...
Page 90: ...Maintenance 455 A2 B2 Fig 5 13 Troubleshooting chart 5 18 REV A O CT 1975 ...
Page 91: ...Maintenance 455 A2 B2 1907 1 A Fig 5 13 Troubleshooting chart cont REV A OCT 1975 5 19 ...
Page 132: ...Instrument Options 455 A2 B2 Option 7 Page 8 REV E AUG 1979 D C TO AC I NVERTER ...
Page 166: ...l 07 7 REV b NOV C M1 4 5 5 MAIN MODULE BLOCK DIAGRAM ...
Page 167: ...4 5 5 A 2 B 2 AS VERTICAL MODULE IR07 R8 RE V B M O ...
Page 168: ...I S 0 7 9 8 R E V B NOV IRT7 A2 VERTICAL MODULE BLOCK DIAGRAM ...
Page 169: ...REV B NOV 1977 Fig 9 2 A1 Partial Interface board compo ...
Page 170: ...455 A2 B2 Sea Parts List for serial number ranges tial Interface board component locations ...
Page 173: ...v I m B 2 HORIZONTAL MODULE BLOCK DIAGRAM ...
Page 174: ...455 A2 B2 REV B NOV 1977 Fig 9 3 A 1 Partial Interface board component locations ...
Page 182: ...455 A2 B2 Fig 9 4 A20 Vertical board component locations SN B0110 ...
Page 185: ...455 A2 S2 4 5 5 M A fN M O DULE ...
Page 187: ...455 A2 B2 Fig 9 5 A20 Vertical board component location SN B010100 B REV C NOV 1977 ...
Page 191: ...V O L T S 01 ...
Page 192: ...V O LT S Q IV S H O W N IN 57 H V ...
Page 198: ... U 1 X SlCjMAt TO P2 A4 h o p it MODULE SEE PARTS LIST FOR SEMICONDUCTOR TYPES f SWITCHING ...
Page 207: ...A 1 4 B T I M I N G S W I T C H B O A R D A13 A TIM ING SWITCH BOARD 1 9 0 7 3 ...
Page 209: ...4 5 5 A 2 B 2 B 2 h o r iz o n t a l m o d u l e R o i I 11 R E V C NOV IS77 ...
Page 213: ......
Page 214: ......
Page 216: ...A B T IM IN G S W IT C H INTERFACE C O N N E C T O R ...
Page 223: ... ...
Page 224: ...455 A 2 B 2 ...
Page 225: ... 455 A2 B2 ...
Page 226: ......
Page 233: ......
Page 234: ...455 A2 B2 ...