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BUILD INSTRUCTIONS, cont. 

Next, stuff PCB-B using the same parts 
order as the previous board.  

© 2020 Weston Precision Audio

7

AD110 PCB-B Rev BB Build Table

Reference

 Quantity  Value

 Footprint

C201 C224

2 2.2n Film

Film “box” type

C202 C205

2 1.2n Film

Film “box” type

C204

1 0.47u

Multilayer ceramic radial

C206 C207

2 22n Film

Film “box” type

C210

1 68n Film

Film “box” type

C211 C221

2 1u

Radial electrolytic. C221 

See next page detail.

C215

1 2.2u

Radial electrolytic

C216

1 22n

Multilayer ceramic radial

C217 C203

2 10n

Multilayer ceramic radial

C218 C208

2 33p

Multilayer ceramic radial

C220 C214 C213 C209 C212

5 33n Film

Film “box” type

C223

1 470p

Multilayer ceramic radial

C225

1 1n Film

Film “box” type

C226

1 10p

Multilayer ceramic radial

C228

1 47n Film

Film “box” type

C229 C232

2 47p

Multilayer ceramic radial

C231 C227 C230 C222

4 6.8n Film

Film “box” type

C233 C234 C235 C236 C237 C238 C239 C240 C241 
C242 C219

11 100n

Multilayer ceramic radial

D201 D202 D203 D204

*

4 1SS133M

D204 is labeled as D205 on silkscreen. D204=D205

JP201

1 B/C Interconnect 1 2.54mm Pin Socket, 6 Position. 

Install on front side of board.

JP202

1 B/C Interconnect 3 2.54mm Pin Socket, 6 Position. 

Install on front side of board.

JP203

1 B/C Interconnect 2 2.54mm Pin Socket, 6 Position. 

Install on front side of board.

JP204

1 B/C Interconnect 4 2.54mm Pin Socket, 6 Position. 

Install on front side of board.

JP205

1 B/C Interconnect 5 2.54mm Pin Socket, 12 Position. 

Install on front side of board.

JP211

1 B/A Interconnect 1 2.54mm Pin Header, 6 Position. 

Install on back side of board.

JP212

1 B/A Interconnect 2 2.54mm Pin Header, 6 Position. 

Install on back side of board.

JP215

1 B/A Interconnect 3 2.54mm Pin Header, 12 Position. 

Install on back side of board.

Q201 Q203 Q206

3 BC559B

Transistor, BJT, TO-92 Inline package

Q202 Q204 Q207 Q208

4 BC549B

Transistor, BJT, TO-92 Inline package

Q205

1 J112

Transistor, JFET, TO-92 Inline package. 

JFET! Careful with ESD!

Q209

1 KSC945

Transistor, BJT, TO-92 Inline package

R201 R216 R209 R222 R210 R211 R233 R243 R257

9 33k

1% Metal film resistor axial

R202 R240 R249

3 10k

1% Metal film resistor axial

R204 R242 R237 R223 R256 R247 R255 R266

8 1k

1% Metal film resistor axial

R205 R234 R235 R238

4 100k

1% Metal film resistor axial

R206

1 47k

1% Metal film resistor axial

R207 R251 R224

3 2.2M

1% Metal film resistor axial

R208 R221 R236

3 220R

1% Metal film resistor axial

R213

1 15k

1% Metal film resistor axial

R218 R217 R212 R215 R226 R225

6 68k

1% Metal film resistor axial

R219

1 12k

1% Metal film resistor axial

R220 R248

2 30k

1% Metal film resistor axial

R227

1 620k

1% Metal film resistor axial

R228 R203

2 200k

1% Metal film resistor axial

R230 R229 R245

3 1M

1% Metal film resistor axial

R231 R252

2 18k

1% Metal film resistor axial

R232

1 330R

1% Metal film resistor axial

R239

1 22k

1% Metal film resistor axial

R241

1 270k

1% Metal film resistor axial

R244

1 120k

1% Metal film resistor axial

R246 R254

2 51k

1% Metal film resistor axial

R250 R259 R264

3 27k

1% Metal film resistor axial

R253 R258 R261 R263 R265 R214

6 39k

1% Metal film resistor axial

R260

1 180R

1% Metal film resistor axial

R262

1 43k

1% Metal film resistor axial

TP201

1 100k VCA CVR

Trimmer potentiometer, Bourns 3266Z Horizontal style

U201

1 TL074

DIP 14 Socket

U202

1 CD4098

DIP 16 Socket

U203 U205

2 NE5532

DIP 8 Socket

U204

1 LM13700

DIP 16 Socket

1

Содержание AD110

Страница 1: ...2020 Weston Precision Audio 1 AD110 Analog Drums DIY Eurorack Module Weston Precision Audio Designed In Portland Oregon Revision 11 June 25 2022...

Страница 2: ...e the range of sounds available including tone control for the decaying portion of the kick drum pitch and resonance pitch for the resonant portion of the snare drum decay of the snare wires noise par...

Страница 3: ...ly found in various analog drum machines of the time They are formed via simple CMOS inverter oscillators in U101 and U105 and are approximately 305Hz 44Hz 794Hz and 1136Hz These 4 signals are mixed t...

Страница 4: ...tip Flux core solder No clean solder for soldering pots after cleaning Phillips head screw driver Small wire clipping pliers Recommended Digital volt meter Oscilloscope Spanner tool for knurled jack...

Страница 5: ...NBMF 5ISFBEFE FY 4UBOEPGG NN POH Y Y 1BO FBE 4DSFX Y OVSMFE 4JMWFS FOUFS SFZ 4NBMM FBS MFDUSPOJDT 1 3 9 OVSMFE 4JMWFS FOUFS FMMPX 4NBMM FBS MFDUSPOJDT 1 8 9 OVSMFE 4JMWFS FOUFS MBDL 4NBMM FBS MFDUSPOJ...

Страница 6: ...1 L102 2 Ferrite Ferrite bead axial Q107 Q110 Q102 3 BC559B Transistor BJT TO 92 Inline package Q109 Q108 Q106 Q111 Q101 Q103 Q104 Q105 8 BC549B Transistor BJT TO 92 Inline package R101 R127 R158 3 82...

Страница 7: ...nterconnect 2 2 54mm Pin Header 6 Position Install on back side of board JP215 1 B A Interconnect 3 2 54mm Pin Header 12 Position Install on back side of board Q201 Q203 Q206 3 BC559B Transistor BJT T...

Страница 8: ...f PCB B fi rst release the footprint for C221 looks like a disc type but you should install the 1uF electrolytic here as shown with the negative stripe leg installed to the ground hole closest to Q206...

Страница 9: ...of board JP305 1 C B Interconnect 5 2 54mm Pin Header 12 Position Install on back side of board Q301 Q302 Q305 Q306 Q303 Q307 Q304 7 BC547C Transistor BJT TO 92 Inline package Q308 1 BC559B Transisto...

Страница 10: ...ace the LEDs into their holes and mount PCB C to the panel with just 1 pot washer and nut With the panel facing down wiggle the LEDs into their holes on the panel until you can feel them touch the tap...

Страница 11: ...ver while you listen to the output from step 1 Turn the trim pot TP201 the only trump pot until you minimize any thump sound from the accent bleeding through You may have to turn your speakers up a bi...

Страница 12: ...REF Finished Unit 2020 Weston Precision Audio 12...

Страница 13: ...REF PCB Pics Finished 2020 Weston Precision Audio 13...

Страница 14: ...3 Q103 BC549B D101 1SS133M R119 10k GNDD GNDA R105 100k C112 0 47u R118 220R 12V 1 2 3 Q102 BC559B 12V GNDD R111 33k R115 100k C104 470p V 11 V 4 U107E TL074 12 13 14 U107D TL074 10 8 9 U107C TL074 GN...

Страница 15: ...k 12V R252 18k C216 22n GNDA R211 33k GNDA GNDA GNDA R247 1k C202 1 2n Film C205 1 2n Film R256 1k V 11 V 6 U204E LM13700 V 7 8 U204D LM13700 1 DIODE_BIAS 2 3 4 5 U204C LM13700 V 10 9 U204B LM13700 R2...

Страница 16: ...D310 4148 D312 4148 GND 4 RV302B A1M Kick Decay GND 4 RV306B 10k Mix Bal 1 1 2 2 3 3 RV309A A1M Clap Flam 1 1 2 2 3 3 RV301A B1M Cym Decay 1 1 2 2 3 3 RV303A 100k Snare Decay 1 1 2 2 3 3 RV302A 100k K...

Страница 17: ...SILKSCREEN PCB A 2020 Weston Precision Audio 17...

Страница 18: ...SILKSCREEN PCB B 2020 Weston Precision Audio 18...

Страница 19: ...SILKSCREEN PCB C 2020 Weston Precision Audio 19...

Страница 20: ...f C build table 08 4 7k Rs on PCB C were listed wrong as 2k on build table BOM was correct 07 Add missing diodes to PCB B build table and note about D204 D205 06 Correct Small Bear knob PNs 05 Change...

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