J3/P3 CONNECTOR
D . C . p o w e r co n n e cto r J3 is a fo u r-p in A M P
M a te -N -L o k co n n e c to r, P / N 350211-1, m o u n te d
o n th e solder side o f the c irc u it b o a rd . T h e re co m
m ended m a tin g c o n n e c to r, P 3, is A M P P / N
1-480424-0, u tiliz in g A M P pins P / N 60619-4. J3
pins are la b le d o n th e J3 co n n e cto r (see F igure
3-4). J3 c a b lin g m u st be 18 A W G , m in im u m .
FRAME GROUND CONNECTOR
T he fra m e g ro u n d co n n e cto r is Faston A M P P / N
61761-2. T h e recom m ended m a tin g co n n e cto r is
A M P P / N 62187-1. T o realize e rro r rates (see
T a b le 2-2), it m u st be connected d ire c tly to the
c e n tra lly lo ca te d system g ro u n d v ia an 18 A W G ,
m in im u m , cable.
3.5
INTERFACE LINE
DESCRIPTIONS
T he in te rfa c e m ay be connected in the ra d ia l o r
daisy cha in c o n fig u ra tio n (see Figures 3-5 and
3-6).
INPUT CONTROL SIGNALS
The in p u t c o n tro l signals are o f tw o k in d s : those
to be m u ltip le x e d in a m u ltip le d riv e system and
those th a t d o the m u ltip le x in g . T h e in p u t c o n tro l
signals to be m u ltip le x e d are: Reduced W rite C u r
re n t, W rite G ate, H ead Select L in e 2°, H e a d Select
L in e 21, H e a d Select L in e 22, Step, and D ire c tio n
In . T h e m u ltip le x in g signal is D riv e Select 0, D riv e
Select 1, D riv e Select 2 o r D riv e Select 3.
T h e in p u t signals have the fo llo w in g electrical
s pecification s, as m easured at the d riv e . F igure 3-7
illu stra te s th e recom m ended c irc u it.
T ru e : 0 .0 v o lt D . C . to 0.4 v o lt D . C . a t I =
-40 m illia m p e re s, m a x im u m
T h e in te rfa c e f o r the T M 5 0 0 series d riv e is
a vailable in one c o n fig u ra tio n . I t is c o m p a tib le
w ith in d u s try sta n d a rd drives. C o m p a tib ility is
d e fin e d as using th e same p in assignm ent w here
th e signal and fu n c tio n are c o m m o n . T a b le 3-1
co n ta in s p in assignments.
False: 2.5 v o lts D . C . to 5.25 v o lts D . C . a t 1 -
250 m icroam peres, m a x im u m (open) L
3-6
A l l in p u t signals share a 22 0 /3 3 0 o h m resistor
pack f o r lin e te rm in a tio n . O n ly th e last d riv e in the
cha in should have the resistor pa ck insta lle d .
Содержание 6000 HD
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Страница 60: ...Service Manual TANDY COMPUTER PRODUCTS TANDY 6000 6000 HD Component Location Mother Board 8897701 56...
Страница 61: ...Service Manual TANDY 6000 6000 HD TANDY COMPUTER PRODUCTS Circuit Trace Mother Board 8897701 Component Side 57...
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Страница 231: ...Service Manual TANDY COMPUTER PRODUCTS TANDY 6000 6000 HD Figure 8 1 Exploded View Base Assembly 245...
Страница 235: ...Service Manual TANDY 6000 6000 HD TANDY COMPUTER PRODUCTS Figure 8 3 Exploded View Floppy Disk Drive Assembly 249...
Страница 237: ...Service Manual TANDY 6000 6000 HD TANDY COMPUTER PRODUCTS Figure 8 4 Exploded View Hard Disk Drive Assembly 251...
Страница 241: ...Service Manual TANDY 6000 6000 HD TANDY COMPUTER PRODUCTS Figure 8 6 Exploded View Reset Power On Indicator Module 255...
Страница 243: ...Service Manual TANDY 6000 6000 HD TANDY COMPUTER PRODUCTS Figure 8 7 Exploded View Case Top Assembly...
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Страница 266: ...FIGURE 1 1 DISK DRIVE...
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Страница 271: ...FIGURE 2 3 24 VOLT D C CURRENT CONFIGURATION 2 l a n d o n CORPORATION CHATSWORTH CALIFORNIA 91311 179056 001 REV A 2 5...
Страница 279: ...FIGURE 3 2 CONTROL AND DATA TIMING REQUIREMENTS 3 7...
Страница 283: ...FIGURE 3 3 LSI CIRCUIT BOARD ASSEMBLY 3 11...
Страница 289: ...FIGURE 3 5 DISKETTE CARE AND HANDLING 3 17...
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Страница 294: ...FIGURE 4 4 INTERCONNECT BLOCK DIAGRAM 4 4...
Страница 295: ...FIGURE 4 6 TRACK O TIMING 4 5...
Страница 304: ...FIGURE 5 2 TIMING DISK FIGURE 5 3 HUB CENTER LINE AND TRACK LOCATION 5 4...
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Страница 363: ...FIGURE 2 2 TYPICAL STARTING CURRENTS T andon CORPORATION CHATSWORTH CALIFORNIA 91311 179045 001 REV A 2 5...
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Страница 370: ...FIGURE 3 2 J1 EDGE CONNECTOR DIMENSIONS FIGURE 3 4 J3 POWER CONNECTOR 3 4 FIGURE 3 3 J2 EDGE CONNECTOR DIMENSIONS...
Страница 373: ...FIGURE 3 5 RADIAL CONFIGURATION 3 7...
Страница 374: ...FIGURE 3 6 DAISY CHAIN CONTROL LINES...
Страница 382: ...FIGURE 3 11 RECOMMENDED SHIPPING PACK DESIGN CONFIGURATION 1...
Страница 383: ...FIGURE 3 11 CONTINUED RECOMMENDED SHIPPING PACK DESIGN CONFIGURATION 1 3 17...
Страница 384: ...FIGURE 3 12 RECOMMENDED SHIPPING PACK DESIGN CONFIGURATION 2 3 18...
Страница 385: ...FIGURE 3 13 RECOMMENDED SHIPPING PACK DESIGN CONFIGURATION 3 3 19...
Страница 386: ...FIGURE 3 13 CONTINUED RECOMMENDED SHIPPING PACK DESIGN CONFIGURATION 3 3 20...
Страница 387: ...FIGURE 3 14 LOAD GRAPH 3 21...
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Страница 390: ...FIGURE 4 1 TEST POINT LOCATIONS...
Страница 394: ...o FIGURE 4 3 READ DATA WAVEFORMS 15 TPR AND 14 TPR o 4 6...
Страница 397: ...FIGURE 4 4 INDEX SENSOR 4 9...
Страница 400: ...FIGURE 4 6 TRACK 0 ADJUSTMENT 4 12...
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