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Very quality copy of original service manual, which contains the circuit diagrams, PCB and lists of components, well as recommendation for calibration procedures of device, also everything else, that need for repair, tuning and use this oscilloscope.
All presented copies have high-resolution, so you can view all in detail.
This manual will very useful for simple owners and for repairers.
I recommend these manual, because myself is owner of Philips PM3216 and I need sometimes servicing these oscilloscope (principally calibrating).
Also, these document is an example of excellent design of technical documentation.
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Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
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manual excelente completo , diagramas y esquemas bien presentados y buena calidad de imagen.
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muy buen manual completo de buena calidad de impresion preciso y detallado , muy útil para la reparación.
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The service manual is a good quality scan of the Panasonic NV-850, which is electrically identical to the Philips VR 6920, but mecanically just nearly.
2-4. Input Level Range Confirmation and Level Setting
2-4. Input Level Range Confirmation and Level Setting
Measurement Equipment Audio signal generator Audio distortion meter, BKPF-202 Preparation 1. Connect each equipment. (Refer to Fig.1 in Section 2-1-2.) 2. Turn on the power of the main unit (PFV-D20/D50/D100A/D200A/D300) and warm up for ten minutes. Procedures 1. Provide an analog audio signal of 1 kHz, +4 dBm from an audio signal generator to the ANALOG IN AUDIO 1 connector of BKPF-205. Provide the "L" output signal from BKPF-202 to an audio distortion meter, and read the level.
BKPF-205 ANALOG IN AUDIO Input to "1" Input to "2" Input to "3" Input to "4" BKPF-202 DIGITAL IN AUDIO Provide an output signal from AES/EBU OUT 1 of BKPF-106A Provide an output signal from AES/EBU OUT 1 of BKPF-106A Provide an output signal from AES/EBU OUT 2 of BKPF-106A Provide an output signal from AES/EBU OUT 2 of BKPF-106A BKPF-202 ANALOG OUT AUDIO "L" becomes effective. "R" becomes effective. "L" becomes effective. "R" becomes effective.
2. Turn 1RV102 (A-4) counterclockwise until the clutch is activated and clicks. Confirm that the level is less than 0 dBm. 3. Turn 1RV102 clockwise until the clutch is activated and clicks. Confirm that the level is more than +18 dBm. 4. Turn RV102 so that the audio output level is +4 ± 0.1 dBm. 5. The ANALOG IN AUDIO 2 through 4 connectors are also the same in procedures as described above. Confirm and adjust the volumes below according to steps 1 through 4. . ANALOG IN AUDIO 2 connector : 1RV202 (A-5) . ANALOG IN AUDIO 3 connector : 1RV302 (A-6) . ANALOG IN AUDIO 4 connector : 1RV402 (A-6)
BKPF-205/205R
2-5(E)
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