Jvc PCX 270 Service Manual
This is the 34 pages manual for Jvc PCX 270 Service Manual.
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Extracted text from Jvc PCX 270 Service Manual (Ocr-read)
Page 1
MATESTAR ELECTRONICS LTD. PERFORMANCE SPECIFICATIONS Date : 7 May , 2003 Model : PC-X270 Band : AM / FM (PLL RADIO) CD CASSETTE System Page Total 6 Pages GENERAL TEST CONDITION Output Load 3 ohm non-reactive Reference Output : 250 mW Input Signal Source : IRE LOOP for AM 75 ohm dummy for FM Modulation : 30% 400 Hz for AM 22.5 KHz Deviation 1 KHz for FM 75KHz Modulation for FM MPX Remarks DC : 12V AC : 120V 60Hz * * * Subject to change without notice . Prepared by Approved by page 1
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PERFORMANCE SPECIFICATIONS MODEL NO : PC-X270 Amplitude Modulation ( AM ) Section Test Item Unit Nominal Limit #1 #2 A.01 Tuning Range LOW KHz 520 +/-5 HIGH KHz 1710 +/-5 A.02 I.F. Frquency 600KHz KHz 450 +/-5 A.03 Sensitivity (AM Loop ANT.) (LOW TP) 600KHz dB/m 58 68 S/N 20dB (MID TP) 1000KHz dB/m 58 66 (HIGH TP) 1400KHz dB/m 58 66 A.04 Image Rejection 1000KHz dB 1400KHz dB 37 30 A.05 S/N Ratio at 100dB/m Input 600KHz dB 35 30 1000KHz dB 35 30 1400KHz dB 35 30 A.06 I.F. Rejection (MW)600KHz dB 48 40 A.07 AM Whistle Modulation 910/1350KHz %--¡Ø15 A.08 Selectivity (+/-10KHz) (ACA) 600KHz dB 1000KHz dB A.09 AGC Figure of Merit (126dB) 1000KHz dB 40 35 A.10 Audio Response -6dB (AM:1000KHz) LOW Hz 70 125 HIGH KHz 2K5 2K A.11 Distortion 30% at Ref. 1000KHz % 1 3 60% at Ref. 1000KHz % 5 10 A.12 Modulation Hum (AC) 1000KHz dB 50 40 A.13 Overload (M=80% THD=10%) 1000KHz mV/m >100 A.14 Min. Volume Hum and Noise mV 0.7 1.2 A.15 10% THD Power(Mod:80%)(1-CH Load Only)( AC ) W¡Ù5 A.16 Max. Vol. Audio Power Output (80% Mod) 1000KHz W A.17 6dB Bandwidth at 20dB S/N 1000KHz KHz 4 +/-3 A.18 Auto Search Threshold 600KHz dB/m 60 68 1000KHz dB/m 60 66 1400KHz dB/m 60 66 A.19 OSC Dropout Voltage Max. Power (DC) 1000KHz V 8.4 10.8 Fial Out Valtage (AC) 1000KHz %¡Ù70 page 2