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Lost Manuals

Has this happened to you? You want to use your old record player after a long time. And now it's broken, nothing works. What are you doing now? Maybe only a little thing is broken. But without a guide you can find no error. Perhaps there is a hint in the manual. Or you had a wiring diagram for the unit? But now you can't find any manuals. The unit is very old, the manufacturer no longer exists. Where can you get help?
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Interesting Manuals

Geloso -- 103

Philips -- HQ 3865/B

INTRODUCTION The Nudos shavers with NiCd cells can be recharged in 30 minutes by means of a Fly Back Self Oscillating Power Supply (SOPS). This electronic circuit enables cells to be recharged at 100-240 V . It is possible to shave directly from the mains, provided the voltage exceeds 100V . The on/off slide has a locking device, which prevents the shaver from being switched on accidentally. Leaving it connected to the mains after it is fully charged will not damage the shaver. Howev ...

Wavetek -- 852

INTRODUCTION The Models 452 and 852 are versatile dual-channel filters consisting of two identical channels in a common cabinet. Each filter channel has separate input/output terminals, offers high pass and low pass functions, 0 dB and 20 dB gain, Butterworth and Linear Phase responses and 3~digit resolution for cutoff frequency selection. Individual channels may be readily interconnected for series or parallel operation, resulting in bandpass (or doubled rolloff) and band reject fu ...

DeLonghi -- DE400
Air Cleaner

EG & G Princeton Applied Research -- 162

2.1 INTRODUCTION The Model 162 Boxcar Averager can be combined with one or two Model 163 or 164 Processor Modules to form a gated signal-recovery system of exceptional versatility. This system synchronously samples the input signal with an aperture that can be fixed at any point on, or slowly scanned across, the input signal. The signal passed through the aperture is applied to a variable time constant integrator, the output of which is the average of some number of repetitions of the ...

Hewlett Packard -- 204B

The Model 204B Oscillator (figure 1-1) is a transistorized battery-powered instrument which produces sine-wave signals in the 5-cps to 560-kc range. The output is 10 milliwatts into 600 ohms and is continuously adjustable over at least a 40-db range. Into the rated load of 600 ohms, frequency response is within ±3%. The oscillator output is floating, isolated from power line ground and instrument chassis.