Enclosure not stated · 2 knobs
Maestro FZ-1BVerified
Based on the Maestro FZ-1B
Schematic
This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Dirtbox Layouts. No KiCad fragment has been drawn for this circuit yet.
Parts list 26 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 11 | ||||
| ×1 | 3.3M | 3.3M | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | 680K | 680k | read from the layout by eye | |
| ×3 | 470K | 470k | read from the layout by eye | |
| ×1 | 330K | 330k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 47K | 47k | read from the layout by eye | |
| ×3 | 33K | 33k | read from the layout by eye | |
| ×1 | 18K | 18k | read from the layout by eye | |
| ×1 | 8.2K | 8.2k | read from the layout by eye | |
| ×1 | 3.3K | 3.3k | read from the layout by eye | |
| Capacitors 7 | ||||
| ×1 | 1.2nF | 1.2n | read from the layout by eye | |
| ×1 | 2.2nF | 2.2n | read from the layout by eye | |
| ×1 | 4.7nF | 4.7n | read from the layout by eye | |
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×1 | 47nF | 47n | read from the layout by eye | |
| ×3 | 100nF | 100n | read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| D1 | 1N456A | 1N456A | 1N456A or other silicon diode; try germanium; read from the layout by eye | |
| D2 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 4 | ||||
| Q1 | 2N3392 | 2N3392 | Original had 2N3392; try 2N3904, 2N2222, 2N5088; read from the layout by eye | |
| Q2 | 2N3392 | 2N3392 | Original had 2N3392; try 2N3904, 2N2222, 2N5088; read from the layout by eye | |
| Q3 | 2N3392 | 2N3392 | Original had 2N3392; try 2N3904, 2N2222, 2N5088; read from the layout by eye | |
| Q4 | 2N3392 | 2N3392 | Original had 2N3392; try 2N3904, 2N2222, 2N5088; read from the layout by eye | |
| Potentiometers 2 | ||||
| Balance | B50K | B50k | Potentiometer | dual; read from the layout by eye |
| Volume | B50K | B50k | Potentiometer | read from the layout by eye |