AML ez2254 Assembly Manual Download

Page: 71 / 76

Main PCB

Switches PCB

+24v Fused - Switches

+24v Fused

AGnd - Switches

AGnd

Bypass Relay Power - Switches

E - B185 - Switches

H - B185

E - B185

Bypass Relay Power

B191 - E

B191 - P

B191 - T

B191 - K

B191 - L

B191 - J

H - B185

B192 - U

L - B183

B191 - E - Switches

B191 - P - Switches

B191 - T - Switches

B191 - K - Switches

B191 - L - Switches

B191 - J - Switches

H - B185 - Switches

B192 - U - Switches

L - B183 - Switches

H - B185 - Switches

Main PCB

Switches PCB

AGnd

AGnd - Switches (2)

P - B183 - Switches

Input Meter in - Switches

Gain Make-up Bottom - Switches

B192 - A - Switches

Hier7 - Switches

B - B185 - Switches

B192 - D - Switches

Hier1 - Switches

Limit In - Switches

Hier2 - switches

P - B183

Input Meterinh

Gain Make-up Bottom

B192 - A

Hier7

B - B185

B192 - D

Hier 1

Output Meterinh

Limit In

Hier2

Output Meter in - Switches

+24v DC

Chassis Ground
Mains Safety Earth

Analogue Ground

+24v DC

Analogue Ground

Chassis Ground

"Power Good"

230v

115v

115v ac

VTT2489

Meter Connection

Analogue Ground

Heir 7

Date
File

Drawn by
Sheet

Rev

Title

Number

Audio Maintenance Limited

E-Mail: [email protected]

C Adshead
1 of 1

Prodigy ez2254 - Power

AML-07-089

Hier2

Analogue Ground

VTTez2254

(Molex KK option)

Green/Yellow

Blue

Grey

Violet

Brown

White

30th Oct. 2014

AML-07-089 - rev4

Summary of Contents for ez2254

Page 1: ...ez2254 Compressor Limiter Assembly manual Colourbook Issue 1b...

Page 2: ...ot copy the Educational Kit or Documentation You may not remove any proprietary notices or labels on the Educational Kit All copies must contain the same proprietary notices that appear on and in the...

Page 3: ...ez2254 Colourbook Contents Section 1 Colourbook assembly guide Section 2 Schematics diagrams and PCB Overlays Section 3 Parts List Section 4 Setup and Calibration...

Page 4: ...Revisions 1 to 1a PCB Updated to rev 4 ez2254 Colourbook revision history Revisions 1a to 1b Change to knob fitting instructions BC214B becomes BC560C Transformer screw shortened to 12mm...

Page 5: ...iolet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er Select Comp Threshold Input Thisside towardsmains...

Page 6: ...ion MainsSafetyEarth Brow n Yellow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys...

Page 7: ...rmination MainsSafetyEarth Brow n Yellow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshol...

Page 8: ...ation MainsSafetyEarth Brow n Yellow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sy...

Page 9: ...Earth Brow n Yellow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In...

Page 10: ...yEarth Brow n Yellow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In...

Page 11: ...ainsSafetyEarth Brow n Yellow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Ou...

Page 12: ...ainsSafetyEarth Brow n Yellow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Ou...

Page 13: ...afetyEarth Brow n Yellow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Com...

Page 14: ...Yellow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er Selec...

Page 15: ...Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er Select Comp T...

Page 16: ...Brow n Yellow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out e...

Page 17: ...Brow n Yellow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er...

Page 18: ...llow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er Select Comp Thr...

Page 19: ...rth Brow n Yellow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Ou...

Page 20: ...ow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er Select Com...

Page 21: ...n Yellow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er Sel...

Page 22: ...h Brow n Yellow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out...

Page 23: ...llow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er Select Comp Thr...

Page 24: ...sSafetyEarth Brow n Yellow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out C...

Page 25: ...ion MainsSafetyEarth Brow n Yellow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys...

Page 26: ...ow n Yellow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er S...

Page 27: ...n Yellow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er Sele...

Page 28: ...MainsSafetyEarth Brow n Yellow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In O...

Page 29: ...ination MainsSafetyEarth Brow n Yellow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold...

Page 30: ...UTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er Select Comp Threshold Input Thisside towardsmains filter Green...

Page 31: ...llow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er Select Comp Thr...

Page 32: ...Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er Select Comp Threshold Input This...

Page 33: ...ck Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er Select Comp Threshold I...

Page 34: ...eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er Select Comp Threshold Input Thisside towardsmains filter Green Yellow Blue Warning Ha...

Page 35: ...Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er Select Comp Threshold Input Thisside towardsmains filter Green Yellow Blue Warning HazardousVoltage Mount...

Page 36: ...Yellow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er Selec...

Page 37: ...CompThreshold Sys In Out Comp In Out er Select Comp Threshold Input Thisside towardsmains filter Green Yellow Blue Warning HazardousVoltage Mounton under side 2 3 4 5 6 7 8 9 2 3 4 5 6 7 8 9 10 11 2 3...

Page 38: ...lack Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er Select Comp Threshold...

Page 39: ...Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er Select Comp...

Page 40: ...w Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er Select Comp Thresh...

Page 41: ...row n Yellow Yellow Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er...

Page 42: ...reshold Sys In Out Comp In Out er Select Comp Threshold Input Thisside towardsmains filter Green Yellow Blue Warning HazardousVoltage Mounton under side 2 3 4 5 6 7 8 9 2 3 4 5 6 7 8 9 10 11 2 3 4 5 6...

Page 43: ...w Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er Select Comp Thresh...

Page 44: ...range Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er Select Comp Threshold Input...

Page 45: ...n Out Comp In Out er Select Comp Threshold Input Thisside towardsmains filter Green Yellow Blue Warning HazardousVoltage Mounton under side 2 3 4 5 6 7 8 9 2 3 4 5 6 7 8 9 10 11 2 3 4 5 6 230 1 2 3 4...

Page 46: ...Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er Select Comp Threshold Input Thisside towardsmains filt...

Page 47: ...Black Orange Blue Green Red Violet Brown CUTOUT 10 11 7 8 9 10 11 eter Input VTB9046 Interstage1 VTB9045 AG nd 24v CGnd 115v 230v VTT2489 M CompThreshold Sys In Out Comp In Out er Select Comp Threshol...

Page 48: ...11 O clock Limit Level pins at 12 O clock and 9 O clock Fit pins in positions shown then apply the self adhesive silver washers over the pin holes to stop the pins coming out Comp Ratio pins at 12 O c...

Page 49: ...nlet to the PCB Place the insulator onto the underside of the PCB so that the mains transformer screw is visible through the hole in the insulator Secure in place by re fitting the 2 screws and nyloc...

Page 50: ...he XLR s is not very strong If you have not already done so Fit the push release button to the female XLR Secure the IEC inlet to the rear panel using the 2 x M3 x 10mm screws and 2 x M3 Nyloc nuts pr...

Page 51: ...the 11 captive studs of the base panel Place the large insulator over the captive studs spacers Ensure that any excess material has been removed where the insulators were snapped apart Install the ma...

Page 52: ...nuts provided Secure the base panel to the rear panel using the 3 x M3x6mm chassis screws provided Place the small insulator over the captive studs next to the mains transformer Ensure that any exces...

Page 53: ...Remove the plastic bezel from the meter assembly Mount the plastic bezel into the faceplate Secure the 2 side panels to the rear and base panels using the 8 x M3x6mm chassis screws provided...

Page 54: ...aceplate Secure the 6 rotary switches to the faceplate using the ring nuts provided Tighten using a ring nut tool Secure the meter assembly to the faceplate using the 2 x M3 washers and nuts previousl...

Page 55: ...screw first otherwise the knob turns while you are tightening it The finished faceplate should look like this knob colour may vary from that shown Insert the LED through the hole in the faceplate and...

Page 56: ...Connect the 2 x ribbon cables and meter cable Install the faceplate assembly to the chassis Secure using 7 x M3x6mm screws provided...

Page 57: ...Finished chassis assembly should look like this...

Page 58: ...Set Gain Meter In Set Threshold System Input Hot 24v Relay System Input Cold 2254 Output Hot 2254 Output Cold Relay Ground System Output Cold System Output Hot Relay Control Power Up and System Bypas...

Page 59: ...te File Drawn by Sheet Rev Title Number Audio Maintenance Limited E Mail service audiomaintenance com C Adshead 1 of 1 Prodigy ez2254 B192 AML 07 089 B192 U Analogue Ground B192 D Analogue Ground 24v...

Page 60: ...B191 J B191 L Analogue Ground B191 U 24v Fused B191 P B191 T Analogue Ground Date File Drawn by Sheet Rev Title Number Audio Maintenance Limited E Mail service audiomaintenance com C Adshead 1 of 1 Pr...

Page 61: ...e com C Adshead 1 of 1 Prodigy ez2254 B185 AML 07 089 Matched Pair Matched Pair Matched Pair U B185 V B185 A B185 Analogue Ground 24v Smoothed B185 R B185 N B185 T B185 Analogue Ground K B185 J B185 H...

Page 62: ...nce Limited E Mail service audiomaintenance com C Adshead 1 of 1 Prodigy ez2254 B183 AML 07 089 Analogue Ground K B183 L B183 Analogue Ground U B183 24v Smoothed P B183 T B183 24v Fused B B183 F B183...

Page 63: ...ate File Drawn by Sheet Rev Title Number Audio Maintenance Limited E Mail service audiomaintenance com C Adshead 1 of 1 Prodigy ez2254 Comp Rec AML 07 089 H B185 B191 J 4 30th Oct 2014 AML 07 089 rev4...

Page 64: ...ate File Drawn by Sheet Rev Title Number Audio Maintenance Limited E Mail service audiomaintenance com C Adshead 1 of 1 Prodigy ez2254 Limit Rec AML 07 089 H B185 E B185 4 30th Oct 2014 AML 07 089 rev...

Page 65: ...5 2 5 5 7 5 Date File Drawn by Sheet Rev Title Number Audio Maintenance Limited E Mail service audiomaintenance com C Adshead 1 of 1 Prodigy ez2254 Threshold AML 07 089 Analogue Ground B191 T 4 30th O...

Page 66: ...sitions Date File Drawn by Sheet Rev Title Number Audio Maintenance Limited E Mail service audiomaintenance com C Adshead 1 of 1 Prodigy ez2254 Limit Level AML 07 089 Analogue Ground Limit Level Top B...

Page 67: ...6 18 20 Date File Drawn by Sheet Rev Title Number Audio Maintenance Limited E Mail service audiomaintenance com C Adshead 1 of 1 Prodigy ez2254 Make up AML 07 089 P B183 Gain Make up Bottom Switches G...

Page 68: ...1 2 1 3 1 4 1 Date File Drawn by Sheet Rev Title Number Audio Maintenance Limited E Mail service audiomaintenance com C Adshead 1 of 1 Prodigy ez2254 Ratio AML 07 089 Analogue Ground B191 K B191 L 4...

Page 69: ...e com C Adshead 1 of 1 Prodigy ez2254 Bypass AML 07 089 Bypass Relay Power Analogue Ground External XLR Input Hot External XLR Input Cold Pre Pad 2254 Input Cold Pre Pad 2254 Input Hot 2254 Output Col...

Page 70: ...Number Audio Maintenance Limited E Mail service audiomaintenance com C Adshead 1 of 1 Prodigy ez2254 Meter Sw AML 07 089 Analogue Ground Input Meterinh Output Meterinh B B185 B192 A B192 D Hier7 Hier...

Page 71: ...r7 Switches B B185 Switches B192 D Switches Hier1 Switches x Limit In Switches Hier2 switches P B183 Input Meterinh Gain Make up Bottom B192 A Hier7 B B185 B192 D Hier 1 x Output Meterinh Limit In Hie...

Page 72: ...In Out Comp Recovery Limit Recovery Limit In Out Comp In Out Meter Select Comp Threshold Limit Level Gain Makeup Comp Ratio G R Meter Input Stereo Link Output 600R Termination Mains Safety Earth This...

Page 73: ......

Page 74: ......

Page 75: ...C 1 x Matched Pair Chassis Sides 2 Relay 24v DPDT 4 Resistor 68R 1 Resistor 3k9 5 Capacitor 220pF Ceramic 1 Transistor BCY70 1 Chassis Lid 1 Mains Switch 1 Resistor 82R 1 Resistor 4k7 1 Capacitor 330p...

Page 76: ...Adjust R93 Set Gain until the output returns to 0dBu 775mV rms 9 Measure the DC voltage across R120 it is located between the output transformer and the 24v regulator 10 Adjust R66 Set Bias until the...

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