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are there any issues in this project?

dtrain6284

@copilot are there any issues in this project?

copilot

I'll go through your Fuzz Face pedal distortion project to identify any issues or areas that might need attention. Here's what I will be looking at:

Component Description Accuracy:
- Verify that all components are accurately described (MPN, pins, values, etc.).
Component Connections:
- Check if connections between components are correct and consistent.
Missing/Grounded Components:
- Ensure there are no missing connections or components that should be grounded but aren't.

Let's take these checks one by one:

1. Component Description Accuracy

Capacitors:
- $C1$ : 0.01µF, correct.
- $C2$ : 2.2µF, correct.
- $C3$ : 20µF, correct.
Resistors:
- $R1$ : 330Ω, correct.
- $R2$ : 100kΩ, correct.
- $R3$ : 33kΩ, correct.
- $R4$ : 8.2kΩ, correct.
- $R5$ : 10kΩ (trimmer potentiometer), correct.
- $R7$ : 1kΩ (another trimmer potentiometer), correct.
Transistors:
- $Q1$ and $Q2$ : Both BC108B, correct.
Connectors:
- $J1$ and $J2$ : SMA-J-P-H-ST-EM1, correct.

2. Component Connections Power and Ground Connections

Power:
- $V1:ANODE$ is correctly connected to Net 2 alongside $R1:P1$ and $R3:P1$ .
Ground:
- $GND$ is consistently connected to various components (e.g., $J2:3$ , $Q1:E$ ).

Other Important Connections

$R1$ and $R3$ Connections:
- Connect $R1:P1$ to $R3:P1$ and $V1:ANODE$ .
$R2$ , $Q1:B$ , and $C2: +$ Connected to Net 7:
- Connect $R2:P1$ to $Q1:B$ , $C2: +$ .
$R4$ Connection Check:
- Ensure Connect $R4:P2$ to $Q2:C$ .

Switches

$S1$ and $S2$ :
- Connections seem okay given $S1: COM$ to $J2:2$ (Net 14).
- Connections in Net 11 and Net 9 also okay.

3. Missing/Grounded Components and Miscellaneous

Ensure $Pins named "GND"$ are properly referenced and connected.
Unspecified components (MPNs) like $S1$ , $S2$ , $R2$ should be checked for sourcing or specified manually for accurate BOM.

Summary

Here are a few assumptions and areas to be cautious about:

Ensure all "GND" pins are correctly connected to the ground.
Make sure any unspecified part values are supplied before finalizing the PCB layout.

Would you like a detailed step-by-step connection check for any specific components, or do you need assistance with something more specific?

dtrain6284

Can you cross reference the original fuzz face schematic and fix the issues with mine based off the original?

copilot

Of course! The classic Fuzz Face circuit typically contains the following components and connections:

Components (Typical Values)

Transistors:
- Q1 and Q2: NPN transistors like BC108B.
Resistors:
- R1: 33kΩ (Bias resistor).
- R2: 100kΩ (Collector resistor for Q1).
- R3: 330Ω (Emitter resistor for Q2).
- R4: 8.2kΩ (Collector resistor for Q2).
- R5: 10kΩ (Variable resistor/potentiometer for output level).
Capacitors:
- C1: 20µF (Input coupling capacitor).
- C2: 2.2µF (Output coupling capacitor).
- C3: 10µF (Emitter bypass capacitor).
Power Supply:
- V1: 9V battery.

Connections in the Original Fuzz Face Input Stage

Connect the input jack to C1.
Connect one side of C1 to the base of Q1.
- Also, connect a bias network (e.g., 33kΩ resistor to ground) to this point.

Transistor Q1

Connect the collector of Q1 to R2 (100kΩ), which then connects to V1:ANODE (9V).
Connect the emitter of Q1 to the base of Q2 directly (this forms the transistor pair).

Transistor Q2

Connect the collector of Q2 to R4 (8.2kΩ), which then connects to V1:ANODE (9V).
Connect the emitter of Q2 to ground via R3 (330Ω).

Output Stage

Connect a coupling capacitor C2 (2.2µF) from the collector of Q2 to C2:-.
From this coupling point, connect to the "wiper" of the output potentiometer (variable resistor R5:2).
One side of the output potentiometer R5:1 to space.
The other side R5:3 should be connected to ground.
Connect the output jack to the wiper and ground.

Updated Connections for Your Project

I’ll update your provided connections based on the classic Fuzz Face schematic:

1. Input Stage:

Connect J1:1 to C1:P1 (assuming J1 is the input jack).
Connect C1:P2 to R2:P1, Q1:B, and to R3:P1 (Bias resistor).

2. Transistor Q1:

Connect R2:P2 to Q1:C.
Connect Q1:C also to Q2:B (Directly as a transistor pair).
Connect Q1:E to ground.

3. Transistor Q2:

Connect R4:P2 to Q2:C, and then to R7:2.
Connect R7:3 (Next stage Q2 collector) to V1:ANODE (9V).
Connect Q2:E to R1:P2 and ground (Emitter resistor).

4. Output Stage:

Connect C2:- to Q2:C.
Connect R5 (Output potentiometer) as follows:
- R5:2 to output jack J2 (Assuming J2 is the output jack).
- R5:1 and R5:3 to ground.

Here's the circuit connections laid out in your format for clarity:

Input Connections

Connect J1:1 (Input jack) to C1:P1.
Connect C1:P2 to Q1:B, R3:P1 (Bias network), and R2:P1 (100kΩ).
Connect R2:P2 to Q1:C.
Connect Q1:E to ground.

Inter-Transistor Connection:

Connect Q1:C to Q2:B.
Connect Q2:E to R1:P2 and ground.

Output and Feedback:

Connect Q2:C to R4:P1 and R4:P2 to V1:ANODE.
Connect Q2:C to C2:+.
Connect C2:- to Potentiometer (R5:2).
Connect R5:1 to space, R5:3 to ground.
Connect Output (R5:2) to J2 (Out jack).

This should align your schematic close to the original Fuzz Face. Go ahead and make these updates in your Flux project. Let me know if you need further assistance!

Capacitance

2.2uF

Capacitance

0.01uF

Resistance

330 Ω

Resistance

1kΩ

Resistance

100kΩ

Resistance

33kΩ

Capacitance

20µF

Resistance

8k2 Ω

Part Type

Transistor

Manufacturer Part Number

BC108B PBFREE

Resistance

10kΩ

Reviews

Ground
A common return path for electric current. Commonly known as ground.
jharwinbarrozo
20.5M
Net Portal
Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portal
jharwinbarrozo
43.0M
Power Net Portal
Wirelessly connects power nets on schematic. Identical to the net portal, but with a power symbol. Used to organize schematics and separate functional blocks. To wirelessly connect power net portals, give them the same designator. #portal #power
jharwinbarrozo
11.4M
Generic Resistor
A generic fixed resistor ideal for rapid circuit topology development. Its footprint automatically adapts based on the selected package case code—supporting 0402, 0603, 0805, 1203, and many other standard SMD packages, as well as axial horizontal and vertical configurations. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard resistor values: 1.0 ohm, 10 ohm, 100 ohm, 1.0k ohm, 10k ohm, 100k ohm, 1.0M ohm 1.1 ohm, 11 ohm, 110 ohm, 1.1k ohm, 11k ohm, 110k ohm, 1.1M ohm 1.2 ohm, 12 ohm, 120 ohm, 1.2k ohm, 12k ohm, 120k ohm, 1.2M ohm 1.3 ohm, 13 ohm, 130 ohm, 1.3k ohm, 13k ohm, 130k ohm, 1.3M ohm 1.5 ohm, 15 ohm, 150 ohm, 1.5k ohm, 15k ohm, 150k ohm, 1.5M ohm 1.6 ohm, 16 ohm, 160 ohm, 1.6k ohm, 16k ohm, 160k ohm, 1.6M ohm 1.8 ohm, 18 ohm, 180 ohm, 1.8K ohm, 18k ohm, 180k ohm, 1.8M ohm 2.0 ohm, 20 ohm, 200 ohm, 2.0k ohm, 20k ohm, 200k ohm, 2.0M ohm 2.2 ohm, 22 ohm, 220 ohm, 2.2k ohm, 22k ohm, 220k ohm, 2.2M ohm 2.4 ohm, 24 ohm, 240 ohm, 2.4k ohm, 24k ohm, 240k ohm, 2.4M ohm 2.7 ohm, 27 ohm, 270 ohm, 2.7k ohm, 27k ohm, 270k ohm, 2.7M ohm 3.0 ohm, 30 ohm, 300 ohm, 3.0K ohm, 30K ohm, 300K ohm, 3.0M ohm 3.3 ohm, 33 ohm, 330 ohm, 3.3k ohm, 33k ohm, 330k ohm, 3.3M ohm 3.6 ohm, 36 ohm, 360 ohm, 3.6k ohm, 36k ohm, 360k ohm, 3.6M ohm 3.9 ohm, 39 ohm, 390 ohm, 3.9k ohm, 39k ohm, 390k ohm, 3.9M ohm 4.3 ohm, 43 ohm, 430 ohm, 4.3k ohm, 43K ohm, 430K ohm, 4.3M ohm 4.7 ohm, 47 ohm, 470 ohm, 4.7k ohm, 47k ohm, 470k ohm, 4.7M ohm 5.1 ohm, 51 ohm, 510 ohm, 5.1k ohm, 51k ohm, 510k ohm, 5.1M ohm 5.6 ohm, 56 ohm, 560 ohm, 5.6k ohm, 56k ohm, 560k ohm, 5.6M ohm 6.2 ohm, 62 ohm, 620 ohm, 6.2k ohm, 62K ohm, 620K ohm, 6.2M ohm 6.8 ohm, 68 ohm, 680 ohm, 6.8k ohm, 68k ohm, 680k ohm, 6.8M ohm 7.5 ohm, 75 ohm, 750 ohm, 7.5k ohm, 75k ohm, 750k ohm, 7.5M ohm 8.2 ohm, 82 ohm, 820 ohm, 8.2k ohm, 82k ohm, 820k ohm, 8.2M ohm 9.1 ohm, 91 ohm, 910 ohm, 9.1k ohm, 91k ohm, 910k ohm, 9.1M ohm #generics #CommonPartsLibrary
jharwinbarrozo
1.5M
Generic Capacitor
A generic fixed capacitor ideal for rapid circuit topology development. You can choose between polarized and non-polarized types, its symbol and the footprint will automatically adapt based on your selection. Supported options include standard SMD sizes for ceramic capacitors (e.g., 0402, 0603, 0805), SMD sizes for aluminum electrolytic capacitors, and through-hole footprints for polarized capacitors. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard capacitor values: 1.0pF, 10pF, 100pF, 1000pF, 0.01uF, 0.1uF, 1.0uF, 10uF, 100uF, 1000uF, 10000uF 1.1pF, 11pF, 110pF, 1100pF 1.2pF, 12pF, 120pF, 1200pF 1.3pF, 13pF, 130pF, 1300pF 1.5pF, 15pF, 150pF, 1500pF, 0.015uF, 0.15uF, 1.5uF, 15uF, 150uF, 1500uF 1.6pF, 16pF, 160pF, 1600pF 1.8pF, 18pF, 180pF, 1800pF 2.0pF, 20pF, 200pF, 2000pF 2.2pF, 22pF, 220pF, 2200pF, 0.022uF, 0.22uF, 2.2uF, 22uF, 220uF, 2200uF 2.4pF, 24pF, 240pF, 2400pF 2.7pF, 27pF, 270pF, 2700pF 3.0pF, 30pF, 300pF, 3000pF 3.3pF, 33pF, 330pF, 3300pF, 0.033uF, 0.33uF, 3.3uF, 33uF, 330uF, 3300uF 3.6pF, 36pF, 360pF, 3600pF 3.9pF, 39pF, 390pF, 3900pF 4.3pF, 43pF, 430pF, 4300pF 4.7pF, 47pF, 470pF, 4700pF, 0.047uF, 0.47uF, 4.7uF, 47uF, 470uF, 4700uF 5.1pF, 51pF, 510pF, 5100pF 5.6pF, 56pF, 560pF, 5600pF 6.2pF, 62pF, 620pF, 6200pF 6.8pF, 68pF, 680pF, 6800pF, 0.068uF, 0.68uF, 6.8uF, 68uF, 680uF, 6800uF 7.5pF, 75pF, 750pF, 7500pF 8.2pF, 82pF, 820pF, 8200pF 9.1pF, 91pF, 910pF, 9100pF #generics #CommonPartsLibrary
jharwinbarrozo
1.5M
Generic Inductor
A generic fixed inductor suitable for rapid circuit topology development. The footprint automatically adapts based on the selected package, supporting standard SMD sizes (e.g., 0402, 0603, 0805) as well as well-known inductor packages such as SDR1806, PA4320, SRN6028, and SRR1260. Standard inductor values: 1.0 nH, 10 nH, 100 nH, 1.0 µH, 10 µH, 100 µH, 1.0 mH 1.2 nH, 12 nH, 120 nH, 1.2 µH, 12 µH, 120 µH, 1.2 mH 1.5 nH, 15 nH, 150 nH, 1.5 µH, 15 µH, 150 µH, 1.5 mH 1.8 nH, 18 nH, 180 nH, 1.8 µH, 18 µH, 180 µH, 1.8 mH 2.2 nH, 22 nH, 220 nH, 2.2 µH, 22 µH, 220 µH, 2.2 mH 2.7 nH, 27 nH, 270 nH, 2.7 µH, 27 µH, 270 µH, 2.7 mH 3.3 nH, 33 nH, 330 nH, 3.3 µH, 33 µH, 330 µH, 3.3 mH 3.9 nH, 39 nH, 390 nH, 3.9 µH, 39 µH, 390 µH, 3.9 mH 4.7 nH, 47 nH, 470 nH, 4.7 µH, 47 µH, 470 µH, 4.7 mH 5.6 nH, 56 nH, 560 nH, 5.6 µH, 56 µH, 560 µH, 5.6 mH 6.8 nH, 68 nH, 680 nH, 6.8 µH, 68 µH, 680 µH, 6.8 mH 8.2 nH, 82 nH, 820 nH, 8.2 µH, 82 µH, 820 µH, 8.2 mH #generics #CommonPartsLibrary
jharwinbarrozo
15.6k
Terminal
An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
natarius
RMCF0805JT47K0
47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film #forLedBlink
jharwinbarrozo
1.2M
875105359001
10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcan
jharwinbarrozo
1.2M
CTL1206FYW1T
Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric) #forLedBlink
jharwinbarrozo
1.1M

Project Name

[Example] LED Simulator Template 2ogw

Description

Fuzz Face pedal distortion for guitar

Properties

Forward Voltage

Part Type

Manufac…r Name

Manufac…Number

CTL1206FYW1T

Datasheet URL

page.venkel.com/hubfs/Resources/Datasheets/LEDs/CTL1206FYW1T.pdf

Designator Prefix

LED

Pricing & Availability

Distributor	Qty 1
Arrow	$11.18–$18.88
Digi-Key	$18.47–$18.66
LCSC	$48.44
Mouser	$59.43
Verical	$13.62–$19.92

Assets

led-on.svg

led-on

kicad_mod

LED_1206_3216Metric.kicad_mod

LED_1206_3216MetricFootprint

LED_1206_3216Metric.step

3D_LED_1206_3216Metric3D Model

led-off.svg

led-offDefault

Controls

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dtrain6284 / [Example] LED Simulator Template 2ogw

Schematic