Table 3-1
Memory Space Allocation
Theory of Operation— 2230 Service
Block Designation
Block Address (Hex)
Space Allocation Purpose
RAM SEG
00000-3FFFF
Four images of Memory Segment 0
RAM Primary
00000-07FFF
08000-0FFFF
8-bit display RAM—waveforms, interrupt vectors, miscellaneous.
4 bits of display RAM for waveform attributes (LSB).
10000-3FFFF
RAM Images.
10 SEG
40000-7FFFF
Four images of Memory Segment 1
10 Main Image
4067C (IO-2 A7,8)
406BC (IO-2 A6,8)
406F0 (10-2 A3,8)
406F1 (10-2 A3,8)
406F2 (10-2 A3,8)
406F3 (10-2 A3,8)
_ 406F4 (10-2 A3,8)
‘ 406F5 (10-2 A3,8)
406F6 (10-2 A3,8)
406F7 (10-2 A3,8)
406F8 (10-2 A2,8)
407DE (10-2 A5)
407EE (10-2 A4)
Option Status Latch (in).
Option Parameters Latch (in).
Option UART/GPIB chips (I/O).
Option UART/GPIB chips (I/O).
Option UART/GPIB chips (I/O).
Option UART/GPIB chips (I/O).
Option UART/GPIB chips (I/O).
Option UART/GPIB chips (I/O).
Option UART/GPIB chips (I/O).
Option UART/GPIB chips (I/O).
Option Interrupt Mask Latch (out).
Time Base Mode Register U4119.
Time Base Divider Register U4113.
41XXX (INT-RST)
42XXX (FRAME)
Display chip interrupt reset.
Display chip next frame.
4377E (10-0 A7)
437BE (10-0 A6)
437DE (10-0 A5)
437EE (10-0 A4)
437F6 (10-0 A3)
437FA (10-0 A2)
Acquisition Memory Address Buffer Low bits U3427.
Acquisition Mode Register U3310.
B Delay Timer U4123.
Record Counter U4115 and U4116.
Front Panel A/D control U6104.
Front Panel A/D data U6102.
I
4377F (10-1 A7)
437DF (10-1 A5)
437EF (10-1 A4)
437F7 (10-1 A3)
437FB (10-1 A2)
Acquisition Memory Address Buffer high bits U3428.
B Delay Timer U4124.
Record Counter U4117.
Clock Delay Timer U4231.
Main Front Panel Input U6103.
43FFA (IO-OL A2)
Front Panel Buffer U9301.
43FFB (10-1L A2)
Front Panel Buffer U9302.
48000-4BFFF
Acquisition Memory— Four images of Acquisition RAM U3418
and U3419.
10 Duplicate Images
50000-7FFFF
COMM SEGMENT
80000-BFFFF
Two images of Memory Segment 2
Option Main Image
80000-87FFF
88000-8F7FF
8F800-8FFFF
90000-97FFF
Half of Communication Options ROMs U1243 or U1343.
Option nonvolatile RAM.
Nonvolatile RAM.
Half of Communication Options ROMs U1243 or U1343.
3-27
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 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 ...
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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 ...
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Page 477: ... D ...
Page 483: ...2230 Service ...