LPB - Service Manuals
5 manuals available for download
LPB Monogram II Series Audio Console Instruction Manual
Instruction manual for LPB Monogram II series stereo audio consoles, models M-5S and M-8S. Includes complete specifications, ordering information, installation guidelines, grounding practices, and warranty terms. Features detailed descriptions of mixer configurations, input/output specifications, frequency response, harmonic distortion ratings, and signal-to-noise measurements. Contains final test and inspection report forms and technical documentation for five-mixer and eight-mixer stereo console configurations.
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. Includes circuit topology with dual op-amp configuration (uA747PC), transistor output stage (2N3904), and LED display circuit. Full component specifications provided: resistors, capacitors, potentiometer for peak adjustment, and high-intensity red LED.
LPB Signature II Audio Console Instruction Manual
Instruction manual for LPB Signature II audio consoles. Covers model S-20 (10 mixer dual stereo console) and other Signature II series models (S-12, S-13C, S-13E, S-14A, S-15A, S-21). Includes console features, specifications, test and inspection report, control knob details, program bus switches, input/output connectors, microphone preamps, rotary step attenuators, printed circuit boards, modular electronics, LED peak level indicators (Model SA-1), internal cue system, muting relays, power transformer, chassis construction, and wiring diagram. Detailed technical specifications for frequency response, distortion, noise, impedance, and output levels. Console dimensions and weight information included.
LPB Signature II Series Plug-In Circuits Schematic
Schematic diagrams and parts list for LPB Signature II Series plug-in modules. Contains microphone preamplifier with variable gain circuit using LM381IC op amp, transformer, toggle switch, resistors and capacitors; and voltage regulator circuit with 3-terminal type regulator. Includes detailed component specifications.
LPB Signature Series Plug-In Circuits Schematic
Complete schematic diagram and parts list for LPB Signature Series plug-in audio console modules. Includes microphone preamplifier, power amplifier, line amplifier, input transformer, voltage regulator sections with detailed transistor and component configurations. Parts list specifies resistors, capacitors, diodes, transistors (MPS U04, MPS U52, MJE-205, MJE-105, MPS 052, MPS 004), and operational amplifiers (RM7410C, MC 1439L, U6A7741393, U6A7723393). Document dated 2/76.