Teletype 43 Teleprinter Basic RO, Руководство по обслуживанию

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4 06,1-80
J. CONVERSIONS
CONTENTS
1. GENERAL ................... .
2. TOOLS REQUIRED ............ .
3. CONVERSIONS
(Pedestal Based) ............... .
A. Changing Memory
Size ..................... .
1. GENERAL
PAGE
1-79
1-79
1-79
1-79
1.01 This section provides conversion informa­
tion for the catagories listed in CONTENTS
above.
1.02 This section applies to Pedestal Based
KSR Teleprinters only.
1.03 Refer to Teleprinter Disassembly /Reassem­
bly Page 1-57 for component removal
and replacement procedures.
1.04 After making conversions, an installation
checkout should be performed to make
sure the station is operable. See Page 1-43.
1.05 All ordering numbers shown in this manual
are Teletype Corporation part numbers.
2. TOOLS REQUIRED
2.01 The following tools are required to make
the conversions listed in CONTENTS.
These items should normally be present in standard
maintenance tool kits.
Wrench Open End 3/16" and 1/4"
Pliers, Cutting
Soldering Iron (Low Wattage)
Desolderer
3. CONVERSIONS
A. Changing Memory Size
-129534
-108286
3.01 The 43 Buffered KSR Controller can be
configured for 4K, 16K or 20K memory
size. Refer to the chart below for circuit card
part numbers and locations for the various memory
sizes. ( 32K memory is possible on some sets.)
Caution: Turn off power before removing
or replacing circuit cards.
3.02 If increasing memory size to 20K, strap
SI (3364 70) must be cut on the 410294
circuit card. If decreasing memory size from 20K
to 4K, strap SI (336470) must be connected on
the 410294 circuit card.
CIRCUIT CARD
CARD
LOCATION
Sl
336470
LOCATION 4K 16K 20K
32K*
X02
Empty 410297 41 0297
410297
X03 410294 Empty 410294 410297
With Without
Strap Strap
S1 S1
*For 4340AAG, AAH, AAK, AAJ and AAL only