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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.
1-1
TECHNICAL SPECIFICATION
General Dimensions (WxHxD) Weight without batteries : 134x30.5x154mm : 250g Headphone out (load impedance 16�, except crosstalk) Output power : 2x10mW ±2dB Frequency response (max vol.) : 20Hz-20kHz within 8dB S/N ratio (unw.) : >80dB (83dB typ.) S/N ratio (A-wght) : >82dB (85dB typ.) THD+N (1kHz, 1mW) : <0.3% (0.05% typ.) Channel crosstalk (1kHz, no load) : <-40dB Channel unbalance (-40dB) : <5dB Volume attenuation (1kHz) : >70dB
Power supply modes DC-in socket Battery 2xLR6 Accu-pack AY3361 (NiCd) : 4.5-5.5V : 1.8-3.6V : 1.8-3.6V
CD out (not on all versions) Battery lifetime Battery 2xLR6 Accu-pack AY3361 (NiCd) : 6hrs typ. : 3hrs typ. Output level (1kHz, 0dB) Frequency response S/N ratio (unw.) S/N ratio (A-wght) THD+N (1kHz, 0dB) THD+N (10kHz, -20dB) Channel crosstalk (1kHz) Channel crosstalk (10kHz) Channel unbalance (1kHz, 0dB) Dynamic range (1kHz, -60dB) : 900mV ±2dB : 20Hz-20kHz within 6dB : >80dB (83dB typ.) : >85dB (88dB typ.) : <0.2% (0.05% typ.) : 0.5% typ. : <-45dB (-50dB typ.) : -40dB typ. : <1dB (0.5dB typ.) : 90dB typ.
Battery empty detection Battery weak level Battery empty level : 2.0V nom. ±200mV : 1.8V nom. ±100mV
Charge circuit Laser Charge current Charge time for 80% Max. charge time Temperature protection : 200mA nom. ±10% : 3.5hrs nom. : 7hrs nom. : 60°C ±5°C Output power Wavelength : <5mW (3mW typ.) : 780nm
CD
Measurement setup SBC429 Use Audio Signal Disc
4822 397 30184 (replaces test disc 3) Use Audio Signal disc SBC429 DUT
L R
Current consumption (DC-in=4.5V) PLAY-mode JUMP-mode Stand-by (excl. recharge) : 210mA typ. : 485mA typ. : 150mA typ.
4822 397 30184
Current consumption (Batt. supply=2.25V) PLAY-mode JUMP-mode Stand-by (excl. recharge) : 270mA typ. : 460mA typ. : 50µA typ.
e.g. Sound Technology ST1700B
S/N and distortion meter
Shock resistance +X/-X direction +Y/-Y direction +Z/-Z direction : >4G : >4G : >3G
e.g. Sennheiser UPM550 with FF-filter
LEVEL METER
Shock resistance by use of car base +X/-X direction +Y/-Y direction +Z/-Z direction : >6G : >6G : >6G
CS 46 159
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