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General| Brand | Harman Kardon |
|---|---|
| Model | PM645 Vxi |
| Category | Amplifier |
| Language | English |
Step-by-step guide to remove the amplifier's top cabinet panel.
Procedure for detaching the front panel assembly from the unit.
Detailed schematic of the pre-driver amplifier stages.
Detailed schematic of the audio power amplifier stages.
Schematic diagram of the bass and treble control circuitry.
Schematic detailing the bass contour adjustment circuit.
Schematic diagram of the amplifier's power supply unit.
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