Maintenance— 2230 Service
Fan
The fan can be removed and reinstalled as follows:
1.
Perform the "Storage Circuit Board in Servicing
Position” removal procedure.
2.
Perform the "Power-Supply Shield” removal pro
cedure.
3.
Unsolder the two leads from the fan driver on the
Main circuit board.
4.
Remove two screws securing the fan to the rear
chassis and two recessed screws securing the fan driver
to the side chassis.
To reinstall the Fan, perform the reverse of the preced
ing steps.
Thermal Shutdown C ircuit B oard
1.
Perform the “ Storage Circuit Board in Servicing
Position" removal procedure.
2.
Perform
the
"Power-Supply
Shield"
removal
procedure.
3. Perform the "Fan" removal procedure.
4.
Stand the instrument up on its rear chassis (front
panel up) and use a vacuum-desoldering tool to unsolder
three pins from the Thermal Shutdown circuit board to the
Main circuit board (W9070).
To reinstall the Thermal Shutdown circuit board, per
form the reverse of the preceding steps.
Alternate Sweep Circuit Board
The Alternate Sweep circuit board can be removed and
reinstalled as follows:
1.
Perform the "Storage Circuit Board in Servicing
Position” removal procedure.
2.
Disconnect P4220, a two-wire connector located on
the right side of the Alternate Sweep circuit board.
3.
Remove the cable strap from the Alternate Sweep
circuit board that secures the cable harness from the
Storage circuit board.
4.
Use a vacuum-desoldering tool to unsolder the 27
Alternate Sweep circuit board pins on the Main circuit
board (W9400).
5.
Unclip the plastic holder from the Power-Supply
shield and remove the Alternate Sweep circuit board from
the instrument.
To reinstall the Alternate Sweep circuit board, perform
the reverse of the preceding steps.
Position Interface Circuit Board
The Position Interface circuit board can be removed and
reinstalled as follows:
1. Perform the “ Storage Circuit Board in Servicing
Position" removal procedure.
2. Perform the "Support Chassis” removal procedure.
3.
Disconnect P6113, a four-wire connector from
Input/Output
and
Vector Generator circuit
boards
assembly.
4.
Turn the instrument on its side and with a vacuum
desoldering tool, unsolder the six Position Interface circuit
board wire straps from the Main circuit board.
5.
Remove the Position Interface circuit board from the
instrument and clean the wire-strap holes on the Main cir
cuit board of any remaining solder.
To reinstall the Position Interface circuit board, perform
the reverse of the preceding steps.
Channel 1 Logic and Channel 2 Logic Circuit
Boards
The Channel 1 Logic and Channel 2 Logic Circuit
Boards can be removed and reinstalled as follows:
1.
Perform the "Storage Circuit Board in Servicing
Position” removal procedure.
6-41
Summary of Contents for 2230
Page 12: ...2230 Service X The 2230 Digital Storage Oscilloscope 4998 01 ...
Page 33: ...Operating Information 2230 Service Figure 2 5 Vertical controls and connectors 2 6 ...
Page 48: ...Operating Information 2230 Service Figure 2 11 X Y Plotter interfacing ...
Page 56: ...Theory of Operation 2230 Service 4999 01 3 2 Figure 3 1 Simplified block diagram ...
Page 68: ...Operating Information 2230 Service Figure 2 11 X Y Plotter interfacing ...
Page 76: ...Theory of Operation 2230 Service 4999 01 3 2 Figure 3 1 Simplified block diagram ...
Page 98: ...Theory of Operation 2230 Service 499 9 06 Figure 3 6 Horizontal Amplifier block diagram 3 24 ...
Page 111: ...Theory of Operation 2230 Service 3 37 Figure 3 9 Acquisition Memory timing ...
Page 190: ...Maintenance 2230 Service 999 14 Figure 6 3 Isolated kernel timing 6 9 ...
Page 329: ...PUT Figure 9 2 S em ico n d u cto r lea d co n fig u ratio n s ...
Page 332: ...2230Service CHASSIS MOUNTED PARTS ...
Page 334: ...A14 CH 1 LOGIC BOARD ...
Page 337: ......
Page 344: ...u sr z z o 1 ...
Page 347: ...i n 5 a O Q q o u S a o h UJ s a b c d e f g h j k l m n ...
Page 352: ......
Page 355: ...WAVEFORMS FOR DIAGRAM 5 4999 83 ...
Page 358: ...I W L U O U rc a 4 2 s ...
Page 361: ...WAVEFORMS FOR DIAGRAM 6 S 84 ...
Page 362: ...2230 Service TEST SCOPE TRIGGERED ON U665 PIN 8 FOR WAVEFORMS 31 THROUGH 33 ...
Page 365: ... I I ...
Page 366: ...A 1 6 S W E E P R EFEREN CE BOARD FIG 9 17 2230 Service Figure 9 17 A16 Sweep Reference board ...
Page 369: ... o 0 UJU sa eg aiu c u J in su eg 5 C sis n g e s o N QO ...
Page 371: ...Static Sensitive Devices See Maintenance Section CM I rv CD o 2230 Service ...
Page 378: ......
Page 384: ... I I c o C u o a 5 r O tD v j If 3 IV if I I ci if 5 3 I ...
Page 386: ......
Page 388: ...H K L M N 7 8 8 2 2 3 0 INPUT OUTFUT WIRING INTERCONNECT ...
Page 392: ...W A V E F O R M S F O R D IA G R A M 14 ...
Page 393: ...2230Service 0 0 d s t 4 9 9 9 9 5 ...
Page 394: ...2230 Service TEST SCOPE TRIGGERED ON U911 PIN 21 FOR WAVEFORMS 64 THROUGH 69 4999 92 ...
Page 396: ... ...
Page 397: ...WAVEFORMS FOR DIAGRAM 15 TEST SCOPE TRIGGERED ON U9111 PIN 21 FOR WAVEFORMS 70 THROUGH 77 ...
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Page 409: ......
Page 415: ...IMF PU TPR A IR TM FQ U I W A V E F O R M SF O RO IA G R A M1 5 W A V E F O R M SF O R i ...
Page 417: ...4999 9S ...
Page 419: ...i s 5 0 C C p F 2 CC p 2 a u 4 I s c c O 2 e e o 5 a o 5 i 2 i f 2 E C 52 ...
Page 423: ...W A V E F O R M SF O RD IA G R A M1 8 O c n ...
Page 424: ...Figure 9 22 A11A1 Input Output board ...
Page 430: ...Figure 9 23 A11A2 Vector Generator board ...
Page 434: ...49 9 9 tOO ...
Page 436: ......
Page 437: ...22 3 0 S ervice W A V E F O R M S F O R D I A G R A M 2 1 m f n h ...
Page 442: ...WAVEFORMS FOR DIAGRAM 22 4999 78 ...
Page 443: ...XY PLOTTER BOARD DIAGRAM 22 See Parts List for serial number ranges ...
Page 447: ...A21 RS 232 OPTION BOARD Flfi A 9 K 01 01 W M ...
Page 450: ......
Page 452: ...COMPONENT NUMBER EXAMPLE ...
Page 459: ...A16 SWEEP REFERENCE ADJUSTMENT LOCATION ...
Page 467: ...2230 Service ...
Page 468: ......
Page 474: ......
Page 475: ...2230 Service ...
Page 476: ...2230 Service ...
Page 477: ... D ...
Page 483: ...2230 Service ...