LPB SA-1 LED Peak Level Indicator - Schematic and Parts List
Complete schematic diagram and parts list for the LPB Model SA-1 LED Peak Level Indicator, an essential service reference for technicians maintaining or repairing audio metering equipment. The documentation details the circuit topology built around a dual op-amp configuration using the uA747PC, with a discrete transistor output stage employing a 2N3904 for driving the LED display. Full component specifications are provided for all resistors, capacitors, the peak adjustment potentiometer, and the high-intensity red LED, enabling accurate troubleshooting, component replacement, or circuit reconstruction. This repair manual covers the complete electronic design from signal input through to visual peak level indication, making it indispensable for anyone servicing this type of audio monitoring instrumentation.
Documentation must be downloaded on a computer (PC, Mac, or Linux).
Do not use a smartphone or tablet to download documentation; they generally lack sufficient memory capacity to handle large files, and few users know how to locate the download folder on these devices.
Once downloaded, you can use it right away and even print the pages you need, or use your smartphone in photo mode to translate into the language of your choice: Google Translate
Document Details
- Format
- Pages
- 2
- Size
- 932.7 KB
- Category
- Audio & HiFi