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The purchased manual is an high quality scan of the original Philips paper-based Service Manual. I am very satisfied!
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The purchased manual is an scan of the original Panasonic paper-based Service Manual. Unfortunately the contrast is not perfect, but I am satisfied anyway!
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The purchased manual is an high-quality scan of the original JVC paper-based Service Manual. The Service Manual includes the Owner´s Manual, so you do not have to buy both of them.
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It paid to find this Service Manual, couldn't find it anywhere else. Exactly what I wanted. Received within 24 hours.
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Complete manual with clear schematic diagrams and printed circuit board layouts of two variants of the headset and the transmitter an old and a new version.
Also shows how the headset and the transmitter is opened and how transmitter and receivers can be adjusted and where to measure.
I had no problems to repair the headset using this service manual.
Power
Amplifier
BPX1100.1
Features
2-Channel Operation Advanced MOSFET Oversized Floating Rail Power Supply Floating Ground Factory - Head - Unit Speaker - Level input Variable Input Sensitivity (250mV - 6V) Fully Complementary Output Stage with Class-D Voltage Amplification Gold-plated Power, Input and Output Connectors 1-Ohm Stable ( 2 ohm parallel )
Test Conditions and Notes
All tests to be done, unless otherwise specified, from 20Hz to 320Hz at 14.4V DC into 2 ohm loads and will be done using an Audio precision system one and the supply voltage.
the units gain so that with a .775 volt input signal the unit is at its maximum rated output. All meas
An A+ line voltage of 14.4V DC shall be applied to the unit under test for all measurements unless oth
specified. The voltage applied to the unit shall be measured at the power connection on the Amplifier. Signal Source
Unless otherwise specified, all tests shall be conducted with the Audio Signal Generator output config connected to the Amplifier PWR GND at the Amplifier. Output Load
be balanced, less than or equal to 50 ohm source impedance, and floating. The signal source "GND" shal
Unless otherwise specified, all tests shall be conducted with 2 ohm resistive loads having less than 1 while dissipating the rated output of the unit under test. Power Indicator LED steadily illuminates for normal operation. LED blinks when protection circuitry is engaged, and during power up.
reactive components at any frequency below 350Hz. Each resistor shall have a value that remains within
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