Theory of Operation— 2440 Service
SYSTEM
m
P
ADDRESS
WAVEFORM
PROC
ADDRESS BUS
(HEX)
ADDRESS BUS
MISCELLANEOUS
RAM U664
(16K)
MAIN 2 RAM
U664
(4K)
MISCELLANEOUS
RAM U664
(4K)
MEMORY MAPPED
I/O
MAIN RAM
U664 (4K)
16
X
BANK-SWITCHED ,
T
16K SYSTEM
ROM PAGES
/
/
SYSTEM ROM
U670 (16K)
/ /
A
s
INT VECTORS
(FFFO-FFFF)
OOOOh
lOOOh
2000h
2C00h
3000h
4000h
5000h
— 6000h
— 7000h
8000h
COOOh
FFFFh
SAVE MEMORY
U350
(32K IN FOUR 8K
BANK-SWITCHED
PAGES)
DISPLAY MEMORY
U431. U440
_____ (3K)_____
READOUT BUFFERS
U140, U240 (IK)
DAT
A/ATTRIBUTE
RAM U430
(4K X 1)
ACQUISITION RAM
U440
(4K)
COMMAND/TEMP
U440 (2K)
COEFFICIENT RAM
U440 (2K)
MEMORY MAPPED
I/O
INTERPOLATION
RAM U440
(4K)
NOT USED
/6000
t
6010
60
IF
6020
602F
6040
604F
6080
608F
6100
610F
6200
620F
6400
640F
6800
6807
680F
\
''7000
EXPANDED SECTION
UNUSED
PROCESSOR I/O
UNUSED
TIMEBASE I/O
UNUSED
DISPLAY I/O
UNUSED
ACQUISITION I/O
UNUSED
DAC I/O
UNUSED
SIDE BOARD
PROCESSOR I/O
UNUSED
UNUSED
UNUSED
GPIB I/O
VIDEO OPTION I/O
UNUSED
6603-36
3-18
Figure 3-2. Simplified Memory Map
Summary of Contents for 2440
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Page 91: ...Theory of Operation 2440 Service 3 49 Figure 3 5 Simplified CCD architecture ...
Page 120: ...Theory of Operation 2440 Service Figure 3 10 DC Restorer 3 78 ...
Page 130: ...Theory of Operation 2440 Service 3 88 ...
Page 136: ...Theory of Operation 2440 Service Figure 3 15 PWM Regulator and Inverter 3 94 ...
Page 138: ...Theory of Operation 2440 Service Figure 3 16 PWM switching waveforms 3 96 ...
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Page 423: ...2440 Service Figure 9 4b 2440 Block diagram part 2 6330 27 BLOCK DIAGRAM PART 2 ...
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Page 428: ...2440 Service WAVEFORMS FOR DIAGRAM 1 6 2 8 5 3 2 ...
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Page 432: ...2440 Service WAVEFORMS FOR DIAGRAM 2 BUS ISOLATED 6 6 0 3 4 9 ...
Page 433: ...WAVEFORMS FOR DIAGRAM 2 ...
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Page 450: ...2440 Service WAVEFORMS FOR DIAGRAM 8 6603 27 ...
Page 455: ...W A V EFO R M S FOR D IAG RAM 11 WAVEFORMS FOR DIAGRAM 11 6603 29 ...
Page 458: ...WAVEFORMS FOR DIAGRAM 12 ...
Page 463: ...WAVEFORMS FOR DIAGRAM 14 ...
Page 471: ... C N i u i t e x r 4 j u J l i 1 i 6 28 5 44 WAVEFORMS FOR DIAGRAM 18 ...
Page 476: ...WAVEFORMS FOR DIAGRAM 20 ...
Page 490: ...YES ...
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Page 502: ...2440 Service FIG 1 C A B IN E T ...
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Page 510: ...2440 Service SISSVHO Z Old ...
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Page 512: ...A12 2440 Service F IG 3 C IR C U IT BOARDS ...
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Page 517: ...10 16 R E V J U L 1993 Replaceable Mechanical Parts ...
Page 518: ...2440 Service ...
Page 519: ...FIG 4 L V H V PWR SUPPLY ...
Page 520: ...FIG 5 ACCESSORIES 2440 Service ...
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