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Syst & Opts Prices" label to the left and click on it for general info.
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Paragraphs 1 thru 3 discontinued.
4) Upgrades for transformer operation of 2nd coil coupler with QS-3000
a) Upgrade QS-3000 board to send 2nd CC logic signal "downstairs". $5.
b) Upgraded bottom board to operate coil coupler by adding a 2nd CC driver.
When chassis is present: $32. (Coil coupler wiring is changed.) Without Chassis: $30.
5) Coil coupler for most locos: $10. Same design as used in most diesels.
6) Upgrades for 1994 thru mid 1995 MTH locos:
See Sound System Upgrades: MTH PS1 Upgrades
Top Boards, priced without chip:
7) "C-5". Has the 237 uP, used $50. Accommodates QS2p and all 1994 & 1996 MTH chips.
8) "C-4". Has the 233 uP, used $15. Compatible with 1994 series chips.
Not compatible with chips in the MTH 1996 or later series or QS2p.
For those converting from a working 233 board, a $5 credit is issued for turning one in for each C-5 (237) ProtoSounds1 Sound board purchased, either separately or in conjunction with an MTH QSI Sound System.
Request your credit at time of purchase.
9) QS-3000, long pin, with QS-3000 chip: $149.
QS-3000, long pin, without QS-3000 chip: $104.
For operation of 2nd CC (Front) by transformer control, add $5 for QS-3000 board mod.
This mod works in conjunction with bottom board 2nd CC driver mod. See paragraph 4 above.
For all board-with-chip or just chip purchases, specify loco in order to receive proper sound set.
10) Bottom boards:
"P-4" Bottom board with Power Supply updates: $50.
AC&DC Motor Reverse Units: PS1 Motor Currents in generic form is rated at 2.5 Amps.
Bottom board motor current upgrades, see Motor Current & Loads.
11) AC motor modification of P-4 board: $35. Looses directional lighting feature.
Requires use of After Market chip.
Also requires and coil coupler modification in top board: $10, for both Front and Rear.
For Diesels, the top board does not need upgrading.
When used with steamers, which requiring chuff sync, the top board has to be upgraded: $50.
Or replace the top board with a QS1C5 board with extension pins, which already has the necessary upgrade: $50.
"P-3" Bottom board is obsolete.
12) Replacement MTH chips:
QS2p: $35
QS-3000 $45
13) QS-3000 chips: All QS-3000 chips will work in either the short or long pin QS-3000 boards: $45.
Most of the After market chips are available in QS-3000.
Many of the MTH chips are available in QS-3000.
See: Sound Sets: MTH QS2p & QS-3000 SndSets for all available MTH chip upgrades.
14) User manuals available:
QS2p: $12.00. Free with purchase and shipped with any QS2p product purchase.
QS-3000: The original versions of these manuals are available on line at QS Industries.
QS-3000 manual updates, designed to match the pdf file are available from STR for $15. ea.
15) Power Guard:
Protect all your locos' electronics from transformer generated spikes.
Warranty Requirements requires Power Guard for coverage of the sound boards.
See PowerGuard descriptions.
16) See "Shipping etc." page for charges.
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