QRS Music Technologies PNO4 Installation Manual

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QRS MUSIC TECHNOLOGIES, INC.

PNO4 Installation Manual

The QRS PNO4 Controller on a Sliding Bracket and the QRS Smart Board Interface [SBI]

If you are installing the QRS PNOscan III record system you will not need this TUSB interface.

The 10-pin ribbon cable that would connect to the PRIMARY PORT on the TUSB will connect directly to the

Smart Board Interface's PNOSCAN port.

51074

Manual Revision November 2024

Optional QRS PNOscan III Record System

QRS Music Technologies, Inc.

269 Quaker Drive / Seneca, PA 16346

(814) 676-6683 / www.qrsmusic.com

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Summary of Contents for QRS Music Technologies PNO4

Page 1 51074 Manual Revision November 2024 The QRS PNO4 Controller on a Sliding Bracket and the QRS Smart Board Interface [SBI] The QRS PNO4 Controller on a Sliding Bracket and the QRS Smart Board Interface [SBI] Optional QRS PNOscan III Record System If you are installing the QRS PNOscan III record system you will not need this TUSB interface.
Page 2 Make the Final Trap-work and Pedal Solenoid Adjustments Refer to the Refer to the PNO4 Installation Manual Addendum PNO4 Installation Manual Addendum for details on Adjustments and Operation. for details on Adjustments and Operation. Special Order & Accessory Items Optional: Twin Speakers for Upright - Part # 76047...
Page 3 Preparation Introduction Introduction All piano keys have a tendency to react differently. The key solenoids provide three adjustments: The first All piano keys have a tendency to react differently. The key solenoids provide three adjustments: The first adjusts the amount of plunger stroke to match that of the key-tail lift, the second sets the lost motion between adjusts the amount of plunger stroke to match that of the key-tail lift, the second sets the lost motion between the bottom of key tail and the plunger tip and the third adjusts the force of each key solenoid.
Page 4 Speaker-OPTIONAL: Sonos ERA100 w/Mounting Bracket[76304B] & USBc to 1/8" Stereo Adapter[76340C] 990026 Cable: 1/8” Male to 1/8” Male - 6’ 94000 94000A PNO4 Controller [Slide Mounting Bracket is installed at the Factory] 94101 Slide Mount Bracket for PNO4 940007 Power Adapter for PNO4 Controller...
Page 5 Speaker with Mounting Bracket: QRS "Q35" Powered 990026 Cable: 1/8” Male to 1/” Male - 8’ 94000 94000A PNO4 Controller [Slide Mounting Bracket is installed at the Factory] 94101 Slide Mount Bracket for PNO4 940007 Power Adapter for PNO4 Controller...
Page 6 Installation Procedure Back to Page 12 Upright Piano Installation - Recommendations Upright Piano Installation - Recommendations This section outlines the differences between the installation of the QRS kit in an upright piano versus a grand. The differences are relatively small, and an installer familiar with the installation procedure for a grand piano should have no difficulty installing the system in an upright.
Page 7 Installation Procedure Upright Piano Installation: Slot Diagram & Images... Upright Piano Installation: Slot Diagram & Images... Extend the slots 9.52mm [3/8"] beyond the keys at the break points. Slots Keys Keys 44.45mm [1-3/4"] 85-88 Balance Rail Front Rail Three key-bed slots Repositioned back rail Felt Angle-iron to support key-bed Optional PNOscan Record Strip...
Page 8 Installation Procedure ...Upright Piano Installation: Slot Diagram & Images ...Upright Piano Installation: Slot Diagram & Images View: Looking Up at the Bottom of the Key-bed Plate Plate Back Edge of Key-bed Back Rail 1-1/4" 3-1/2" Minimum Felt Key Solenoid Rail Remove 1-3/4"...
Page 9 Installation Procedure Upright Pedal Installation - Vertical Pedal Solenoid Upright Pedal Installation - Vertical Pedal Solenoid Upright Pedal Solenoid Lifter # 51045 Upright Pedal Solenoid Lifter # 51045 Includes the Pedal Solenoid and Lifter already assembled. Attach the Donut to the Rod. Attach the pedal solenoid-lifter assembly to the bass-side wall of the piano in a position where the Lifter Pin will contact the Donut.
Page 10 Installation Procedure Key Solenoid Plunger Stroke vs. Lost Motion Key Solenoid Plunger Stroke vs. Lost Motion In this section we determine the stroke of the key solenoid plunger, which relates to the key-tail travel at the In this section we determine the stroke of the key solenoid plunger, which relates to the key-tail travel at the points where the plunger touches the key.
Page 11 Installation Procedure Back To Page 13 Key Solenoid Plunger Stroke Adjustment Key Solenoid Plunger Stroke Adjustment For the best playback performance, Plunger Stroke and Lost Motion are the two most critical, physical adjustments, that you make. The piano action MUST be well regulated! .
Page 12 Installation Procedure Aligning the Plungers to the Keys Aligning the Plungers to the Keys Go to Page 6 For Upright Installations, For Upright Installations, See Pages 6-9 See Pages 6-9 Place the piano action and the key solenoid rail on a work bench and insert the plungers. Turn the rail assembly on its side so that the plunger tips can touch the back ends of the keys.
Page 13 Installation Procedure Go To Page 11 Modifying the Key-Frame Modifying the Key-Frame The back-rail felt will be removed and replaced, so measure the key-dip before removing the stack and keys. See page 11. Remove the hammer stack and the keys, except for keys 5, 84 and the keys at each end of any action break. Use the diagram below to mark the key-frame area to be cut.
Page 14 Move the Lyre Forward? Consider PNO4’s Sliding Bracket After cutting the slot, check that the soft-shift lever will fit. If not, you may need to move the lyre forward. The lyre brace may be in the way of the PNO4’s sliding bracket.
Page 15 Installation Procedure Installing the Soft-Shift Lever Installing the Soft-Shift Lever The Soft-Shift (una corda) pedal mechanism usually includes a long, cast-iron bell crank lever whose short arm protrudes though the key-bed to engage a groove cut in the bottom of the key-frame somewhere beneath the treble section.
Page 16 Installation Procedure Installing the Universal Sostenuto Assembly Installing the Universal Sostenuto Assembly Go To Page 23 Identify the piano’s Sostenuto type. Push - The Sostenuto is engaged when the actuator rises toward the strings. Pull - The Sostenuto is engaged when the actuator descends away from the strings. Steinway - Order the Steinway Sostenuto Assembly.
Page 17 Installation Procedure Installing the Installing the Steinway Sostenuto Steinway Sostenuto Assembly (Order 70897) Assembly (Order 70897) Note: It is not necessary to Note: It is not necessary to Link Tab Link Tab Bearing Bearing 4-40 x 1/4" 4-40 x 1/4" 4-40 x 5/16"...
Page 18 Installation Procedure Installing the Sustain Pedal Trap-work & Solenoid - Grand Installing the Sustain Pedal Trap-work & Solenoid - Grand Back to Page 9 View: View: Attach the Lyre. Attach the Lyre. Looking up at the Looking up at the The trap-work assembly should be mounted on the key-bed so that: The trap-work assembly should be mounted on the key-bed so that: bottom of the key-bed.
Page 19 Installation Procedure Final Mechanical Sustain Trap-work & Pedal Solenoid Adjustments Final Mechanical Sustain Trap-work & Pedal Solenoid Adjustments Back to Page 26 The Pedal Solenoid is attached to the key-bed and does not move. The Piston floats inside the Solenoid and rests on the Straight Lever.
Page 20 Smart Board Interface [SBI] Smart Board Interface [SBI] Magnetic Mounting Bracket for SBI Magnetic Mounting Bracket for SBI PNO4 Controller on Sliding Bracket PNO4 Controller on Sliding Bracket Pedal Solenoid Pedal Solenoid Smart Driver Boards...
Page 21 Colored Data Data "Com" Cable "Com" Cable Braided Cable Sleeve USBc cable from SBI's USBc port to PNO4's USBc 1 port. DC Power Plug To Socket of Right-Angled power plug to PNO4's 9VDC IN 5A Speaker Speaker Audio plug from speaker...
Page 22 Mount the Smart Board Interface to the bracket. Connects to the PNO4, QRS power supply, Smart Driver boards, PNOscan Record and MIDI IN and OUT. Connects to the PNO4, QRS power supply, Smart Driver boards, PNOscan Record and MIDI IN and OUT.
Page 23 Mounting & Connecting the Electronic Components Back to Page 16 Mount the Key Solenoid Rail Mount the Key Solenoid Rail At this point the plungers are aligned with the keys and the slot has been cut. The sustain, soft-shift and sostenuto trap-work have been installed.
Page 24 Mounting & Connecting the Electronic Components Smart Driver Board Orientation Smart Driver Board Orientation The five Smart Driver Boards are all identical and can be interchanged, BUT, the dip-switches on each The five Smart Driver Boards are all identical and can be interchanged, BUT, the dip-switches on each board must be set to identify the board’s position from the Smart Board Interface [SBI].
Page 25 Mounting & Connecting the Electronic Components Connecting the Smart Driver Board Connecting the Smart Driver Board Go To Page 21 Turn the power supply switch to the OFF position. Turn the power supply switch to the OFF position. The Smart Driver DATA cable plugs are “keyed”...
Page 26 Set the piano on it's legs and perform the final trap-work and sustain pedal adjustments on page 19. When that is completed go to the PNO4 Installation Manual Addendum for final setups and testing. When that is completed go to the PNO4 Installation Manual Addendum for final setups and testing.
Page 27 Special Order & Accessory Items Optional Sonos ERA100 Speaker Optional Sonos ERA100 Speaker Sonos ERA 100 Speaker Voice Enabled, Bluetooth, Wi-Fi, Line IN, AirPlay2, Humidity Resistant, Touch Controls & Trueplay™ Voice Enabled, Bluetooth, Wi-Fi, Line IN, AirPlay2, Humidity Resistant, Touch Controls & Trueplay™ Voice Services Voice Services The speaker comes with a mounting bracket and a USBc to 1/8"...
Page 28 QRS Music Technologies, Inc. ("QRS") warrants to you for the Warranty Period that there are no defects in the materials of this Product (as identified at the end of this war- ranty certificate). The "Warranty Period" expires (except as explained below) One (1) year from the date of your purchase of the Product. In order to determine the date of your purchase of the Product, you will need to provide to us a credit card receipt, a purchase agreement, a sales slip, a warranty registration(done with trial activation in PNOmation) or www.qrsmusic.com/register or some other form of proof that you are the original purchaser and the date of your purchase of the Product.

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