Philips aj 3950 service manual

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philips aj 3950 service manual

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Page 1

1-1 PCS 104 437 WARNING All ICs and many other semiconductors are susceptible to Usynlig laserstr åling ved åbning n år sikkerhedsafbrydere Avatussa laitteessa ja suojalukituksen ohitettaessa olet alt tiina © After servicing and before returning the set to customer

Page 2

PCS 107 249 2-1 SERVICE TOOLS Audio signal disc SBC 429 ........ ...............................................................4822 397 \ 30184 Playability test disc SBC 444 ...................................................................4822 \ 397 30245 Test disc 5 (disc without errors ) + Test disc 5A (disc with dropout errors, black spots and fingerprints) SBC 426/426A .....................................................................482\ 2 397 30096 Burn in test disc (65 min. 1kHz signal at -30 dB level without pause ) .....4822 397 30155 Universal test cassette Fe SBC 420 ........................................................4822 397 30071 TECHNICAL SPECIFICATIONS GE NE RAL Mains voltage -/00 :220 - 230 V -/17 :120v Mains frequency -/00 :50 H z -/17 :60 H z Battery mains :4.5 V Pow er consum ption max. :17 W standby :3.4 W Dimension (W x H x D ) :170 x 190 x 190 m m Weight :2.1 Kg AMPLIFIER Output pow er mains :2 x 0.8 W Speaker im pedance :2 x 8 ohm Frequency response :100 H z - 10 kH z ( ±4dB) TUNE R - FM S ECTION Tuning range :87.5 - 108 M Hz IF frequency :10.7 M Hz ± 0.3 M Hz Sensitivity :3 µV at 26dB S/N Selectivity :24 dB at 300kH z IF rejection :55 dB Image rejection :26 dB TUNE R - AM S ECTION Tuning range MW :526.5 – 1606.5 kH z -/17 :520 - 1722 kH z IF frequency :468 kH z ± 3 kH z Sensitivity MW :69 dB µV/m at 26dB S/N Selectivity M W :20 dB IF rejection MW :28 dB Image rejection MW :32 dB COMP ACT DIS C Frequency response :125 H z - 10 kH z S/N ratio :60 dB Channel difference 1 kH z:2 dB Channel crosstalk 1 kH z:40 dB Laser w avelength :780 ± 20 nm Laser light pow er :< 0.5 m W