AML Colourbook 500 Series Assembly Manual Download | Manualshive

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Audio Maintenance Limited

E-Mail: [email protected]

C Adshead

52F50 - Comp Threshold

7 of 13

AML-07-137

AML-07-137 - rev5

11th Dec 2020

5

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Summary of Contents for Colourbook 500 Series

Page 1: ...52F50 Lunchbox Compressor Assembly manual Colourbook Issue 1b...

Page 2: ...52F50 Colourbook Contents Section 1 Colourbook assembly guide Section 2 Schematics diagrams and PCB Overlays Section 3 Parts List Section 4 Setup and Calibration...

Page 3: ...Revision 1 Initial revision 52F50 Colourbook revision history Revision 1a Added Schematics overlays calibration etc Revision 1b Added knob fitting page...

Page 4: ...Place a blob of solder across the two pads for 600 Ohm termination SW10 and the 1mA meter selection pads SW2 Output and 1mA Meter Termination...

Page 5: ...D1 D2 D8 D24 D31 D32 D33 1N4001 or 1N4007 7 Diodes...

Page 6: ...D3 D7 D9 D18 D19 D25 30 BAX16 14 Diodes...

Page 7: ...D20 D21 D22 D23 1N4148 Matched Pairs 4 Diodes D21 D22 Matched Pair D20 D23 Matched Pair...

Page 8: ...ZD2 ZD3 ZD4 ZD5 ZD6 2v7 5 ZD1 14v 1 Zener Diodes...

Page 9: ...R66 R76 R79 0R 3 R156 1R0 1 R116 R157 10R 2 R105 R106 R115 15R 3 Resistors...

Page 10: ...R114 24R 1 R113 33R 1 Resistors R112 56R 1 R104 68R 1...

Page 11: ...R111 82R 1 R150 91R 1 Resistors R61 R110 120R 2 R34 130R 1...

Page 12: ...R33 150R 1 Resistors R32 200R 1 R18 R35 R49 R109 220R 4 R31 240R 1...

Page 13: ...R5 R50 R60 R84 R85 270R 5 Resistors R30 R108 330R 2 R29 R37 R90 390R 3 R13 R27 R40 R128 R138 470R 5...

Page 14: ...R28 510R 1 Resistors R51 R64 560R 2 R147 620R 1 R24 R26 R107 680R 3...

Page 15: ...R125 820R 1 R103 910R 1 R15 R23 R86 R87 R131 1k0 5 R22 R143 1k2 2 Resistors...

Page 16: ...R39 R47 R137 R146 1k5 4 R25 R53 R65 R81 1k8 4 R8 R14 R38 R48 R89 R130 2k2 6 R12 R57 R58 R73 R120 2k7 5 Resistors...

Page 17: ...R54 R102 R142 3k3 3 R88 R132 3k9 2 R63 4k7 1 Resistors R36 R119 R135 5k1 3...

Page 18: ...R152 5k6 1 R45 6k8 1 R11 8k2 1 Resistors R1 R2 R17 R20 R75 R99 R101 R117 R145 10k 9...

Page 19: ...R3 R4 R70 12k 3 R19 R56 R59 R69 R74 15k 5 R98 R148 18k 2 Resistors R94 20k 1...

Page 20: ...R9 R55 R71 R72 R153 22k 5 R10 27k 1 R46 R100 R124 R127 R149 33k 5 R93 R97 39k 2 Resistors...

Page 21: ...R43 R96 R123 R126 47k 4 R77 R141 56k 2 R42 R95 R118 R121 R140 68k 5 Resistors R6 R92 82k 2...

Page 22: ...R21 R41 R82 R136 R151 100k 5 R44 R122 120k 2 R16 150k 1 Resistors R91 180k 1...

Page 23: ...R133 R134 220k 2 R7 R80 R83 R144 1M0 4 Resistors F1 F2 Ferrite Bead 2...

Page 24: ...C11 C45 100pF 2 C44 C62 C64 220pF 3 Ceramic Capacitors C63 47pF 1...

Page 25: ...C24 C25 C26 C27 C53 330pF 5 C6 C7 C65 100nF 3 Ceramic Capacitors...

Page 26: ...R154 10R 3Watt 1 R155 47R 3Watt 1 R68 470R 3Watt 1 Resistors...

Page 27: ...C16 C46 680pF 2 C14 C43 1n5F 2 C9 C19 C35 C48 1nF 4 C40 4n7F 1 Film Capacitors...

Page 28: ...C57 10nF 1 C61 330nF 1 C60 100nF 1 Film Capacitors CL1 CL2 100pF 3 Terminal L C Network 2...

Page 29: ...Meter Illumination LEDS D10 D17 LED 3mm Yellow 8 Flat of LED Long leg Long leg...

Page 30: ...lays and Tantalum Capacitor C36 22uF 16v Tantalum 1 NOTE ORIENTATION It is polarised but difficult to see on the component The positive terminal is marked by a very small symbol Positive terminal goes...

Page 31: ...Electrolytic Capacitors C22 C23 C32 10uF 50v 3 C1 C2 C3 C8 C12 C15 C17 C30 C34 C37 C38 C41 C50 C52 C55 C56 22uF 63v 16 C31 2 2uF 63v 1 All positive terminals the long lead towards left...

Page 32: ...Electrolytic Capacitors C4 C21 C42 220uF 25v 3 C10 C33 C49 470uF 16v 3 All positive terminals the long lead towards left C5 C13 C28 C29 C39 C47 C51 C54 C58 100uF 25v 9...

Page 33: ...Q5 Q22 Q23 BC560C 3 Q20 BCY70 1 Small Signal Transistors All flat side to the left or tag to the right Q5 Like this Q22 Q23 Like this...

Page 34: ...itch card R52 R67 R129 R139 5k or 4k7 4 Side adjust style R62 R78 100k 2 Side adjust style NOTE Q1 and Q2 are pushed all the way down to the PCB Do not overheat them when soldering and check for short...

Page 35: ...Headers and Jumpers J3 10 Way Box Header 1 Note orientation PL9 PL10 PL11 PL12 2 Pin Jumper 4 PL9 OFF PL10 ON PL11 ON PL12 ON Fit Jumper Links 4 J5 20 Way Box Header 1 Note orientation OFF ON...

Page 36: ...Electrolytic Capacitors and Molex C18 C20 C59 1000uF 35v 3 All positive terminals towards left Molex KK Series 8 way 1 Tab towards output transformer M3 M3 PCB Screw Fittings 4...

Page 37: ...gulator U1 7808 voltage regulator 1 M3x8 SEMS screw PCB M3 Nyloc nut Insulating bush Insulating washer sheet Bend the pins of U1 before inserting in PCB U1 fitting hint Bend the pins here Approx 8 9mm...

Page 38: ...e lower side of the heatsink in position Q25 with its rear side towards the heatsink with a TO247 insulator behind it Secure in place with an M3 x 16mm screw and Nyloc nut Trim legs and then solder in...

Page 39: ...W6 GR 03 003 1 6 position 2 pole 1 gang After soldering the pins of SW6 trim the 2 common pins as short as possible Switch fitting hint Make sure that the switches are seated perfectly so that they ar...

Page 40: ...ins at 10 O clock and 11 O clock Rotary Switch Adjustment Pins Fit pins in positions shown then apply the self adhesive silver washer over the pin holes to stop the pin coming out Make sure the spindl...

Page 41: ...rtain that the pin numbers on the bottom of the transformer coincide with the numbers written on the PCB If possible lift the transformer about 2mm above the PCB when soldering so that there is a smal...

Page 42: ...Ribbon Cables J1 10 Way Ribbon Cable 1 J2 20 Way Ribbon Cable 1...

Page 43: ...e to heat solder one pin on each switch and then allow to cool before continuing Make sure that the toggle switches are seated perfectly so that they are flat horizontal to the PCB before soldering th...

Page 44: ...LED1 Red LED 3mm round 1 Flat of LED Long Leg Align rear edge of LED base with edge of PCB Fit the power indicator LED to the component side of the PCB such that the base of the LED aligns with the fr...

Page 45: ...ake sure that the toggle switches are seated perfectly so that they are perpendicular to the PCB before soldering the rest of the pins Cut off excess pin and solder Long pin goes through PCB PL3 4 Way...

Page 46: ...eter Switch PCB to Meter Drive PCB Fit the pin header of PL3 into PL4 Attach the small toggle switch PCB to the UNDERSIDE of the meter drive PCB Such that the right angle pin header connects PL3 to PL...

Page 47: ...ERSIDE of the main PCB Such that the 8 way pin headers connects PL1 to PL5 and PL2 to PL6 The PCBs are separated by a 7mm gap Fix using M3 x 16mm screws 7mm spacers and Nyloc nuts Solder PL5 and PL6 a...

Page 48: ...pins are still seated in the Molex connector as they can sometimes pop out at when the connector is pushed down Assembly Tip It is usually easier to plug in the molex connector before screwing the tr...

Page 49: ...ded spacer The M3 x 4mm threaded spacer should sit down into the hexagonal hole in the meter plastic body Put the spacer down into the hole and then screw the M3 x 28mm screw into it DO NOT over tight...

Page 50: ...tion screws discard the ring crimp terminals solder tags Fit M3 Nyloc nuts to hold meter drive PCB DO NOT OVERTIGHTEN Meter Drive PCB to Meter Electrical connection screws M3 Nylon Nuts Note The pip o...

Page 51: ...nto chassis Secure PCB to chassis with 4 x M3x36mm spacers and plain washers Washer is fitted between the spacer and the PCB 1 Remove the protective plastic coating from the chassis if fitted 2 Secure...

Page 52: ...Upper PCB Fitting 1 Fit the upper PCB to the chassis and secure to the standoffs below using 4 x M3x8mm SEMS screws 2 Plug in the 20 way ribbon cable Install PCB onto chassis...

Page 53: ...3 1 4 1 6 1 THRESHOLD RECOVERY 17 8 0 100mS 400mS 1 5S 10 SYS GAIN MAKE UP 0 10 20 In METER In G R Out Fast OFF 1 25mS AUTO 200mS Slow f f2 OFF 800mS 50mS HPF COMP 6 12 8 4 0 4 8 12 16 12 8 4 3 2 1 5...

Page 54: ...the inside of the lid 1 Remove the backing from the double sided tape on the lid insulator 2 Stick the insulator to the inside of the lid just in front of the output transformer hole 3 After calibrati...

Page 55: ...B185 CONTROL Meter Out Set Gain Meter In Set Threshold Post Pad Input Hot Post Pad Input Cold Pre Pad Input Hot Pre Pad Input Cold System Input Hot 24v Relay System Input Cold 2254 Output Hot 2254 Ou...

Page 56: ...Drive Card Output Metering Meter Drive Card Relay Power 24v Fused Board A Meter Drive Card 24v Power Meter Drive Card Illumination ve Meter Drive Card Illumination Gnd Board A Relay Power V Ref Negati...

Page 57: ...B191 P B191 T B191 V B191 Switch Sub Ground Limiter Switch Feed Comp Speed Control Date File Drawn by Sheet Rev Title Number Audio Maintenance Limited E Mail service audiomaintenance com C Adshead 52F...

Page 58: ...umper off 25mS Date File Drawn by Sheet Rev Title Number Audio Maintenance Limited E Mail service audiomaintenance com C Adshead 52F50 B185 D21 D22 Matched D20 D23 Matched 4 of 13 AML 07 137 AML 07 13...

Page 59: ...Date File Drawn by Sheet Rev Title Number Audio Maintenance Limited E Mail service audiomaintenance com C Adshead 52F50 B183 5 of 13 AML 07 137 AML 07 137 rev5 11th Dec 2020 5...

Page 60: ...nce Limited E Mail service audiomaintenance com C Adshead 52F50 Comp Recovery Grayhill 6 Position switch GR 03 003 Pins at 12 O Clock and 6 O Clock positions 25mS 100mS 400mS 800mS 1 5 Sec Auto 6 of 1...

Page 61: ...14 11 8 5 2 5 2 5 5 7 5 Date File Drawn by Sheet Rev Title Number Audio Maintenance Limited E Mail service audiomaintenance com C Adshead 52F50 Comp Threshold 7 of 13 AML 07 137 AML 07 137 rev5 11th...

Page 62: ...ositions 0 2 4 6 8 10 12 14 16 18 20 Date File Drawn by Sheet Rev Title Number Audio Maintenance Limited E Mail service audiomaintenance com C Adshead 52F50 Gain Make up 8 of 13 AML 07 137 AML 07 137...

Page 63: ...3 1 4 1 1 5 1 6 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 52F50 Comp Ratio 9 of 13 AML 07 137 AML 07 137 rev5 11t...

Page 64: ...Date File Drawn by Sheet Rev Title Number Audio Maintenance Limited E Mail service audiomaintenance com C Adshead 52F50 Bypass Control 10 of 13 AML 07 137 AML 07 137 rev5 11th Dec 2020 5...

Page 65: ...ch RL3 Out Meter Select Screen Meter Select Switch Common Meter Select Switch RL4 Out Relay 3 Power Meter Drive Card V Ref Negative Meter Drive Card Relay Power Relay 4 Power Meter Select Switch RL4 O...

Page 66: ...h Gain Common Comp Speed Control Date File Drawn by Sheet Rev Title Number Audio Maintenance Limited E Mail service audiomaintenance com C Adshead 52F50 Comp Speed Switch 24v Fused Sub Board 8v Gain M...

Page 67: ...16v pin 14 Board C V Ref Negative Analogue Ground Board C 16v pin 12 Board A 16v pin 14 Board A 16v pin 14 Board C 16v pin 12 Board C Analogue Ground Board A Analogue Ground Board C Analogue Ground Bo...

Page 68: ...omp Buffer Power Bypass Control Power Good O P Bias Adj Set Gain Set Thresh Meter I P SW13 On 600R Term 0 5mA 1mA Meter FSD Meter Select ve ve G R Trim ST to B Plane ST to XLR Meter O P Mount on rear...

Page 69: ......

Page 70: ......

Page 71: ...1 Pitch 100nF C6 7 C65 3 0 00 Cap Wima 0 2 Pitch 0 3 x 0 1 1n0 C9 C19 C35 C48 4 0 00 Cap Pol 0 2 10mm Daimeter 470uF 16v C10 C33 C49 3 0 00 Cap Plate 0 1 Pitch 100pF C11 C45 2 0 00 Cap Wima 0 2 Pitch...

Page 72: ...5W 27k R10 1 0 00 Resistor 0 25W 8k2 R11 1 0 00 Resistor 0 25W 2k7 R12 R57 58 R73 R120 5 0 00 Resistor 0 25W 470R R13 R27 R40 R128 R138 5 0 00 Resistor 0 25W 1k0 R15 R23 R86 87 R131 5 0 00 Resistor 0...

Page 73: ...k7 R139 1 0 00 Resistor 0 25W 620R R147 1 0 00 Resistor 0 25W 91R R150 1 0 00 Resistor 0 25W 5k6 R152 1 0 00 Resistor 1W 10R 3W R154 1 0 00 Resistor 1W 47R 3Watt R155 1 0 00 Resistor 0 25W 1R0 R156 1...

Page 74: ...Quantity Cost 553 0 00 Components on Bottom Side Component Value Names Quantity Cost Switch C K SPDT Sub Min SW5 SW7 SW14 3 0 00 Sub total 3 0 00 Grand Totals Quantity Cost 556 0 00...

Page 75: ...lace the module on a flat level surface With a large flat blade screwdriver adjust the meter screw plastic screw visible through the metalwork on the side of the meter Adjust the screw so that the top...

Page 76: ...scale Middle of scale Toggle switch Meter to G R MIDDLE Meter should fall to bottom of scale Compression level Toggle switch COMP to Fast DOWN Adjust Threshold trimmer until meter needle just moves fr...

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