Primare-T21-tun-sm 维修电路原理图.pdf
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Primare-T21-tun-sm 维修电路原理图.pdf
T21 Tuner Service Manual RadioFans.CN 收音机爱 好者资料库 1. Circuit Diagrams 2. Technical Specifications Note, Primare T30 is Similar. Confidential ! This document is not allowed to show for third part without written permission from Primare Systems AB. This document is subject to change without notice. Author: Bjorn Holmqvist Primare Systems AB RadioFans.CN 收音机爱 好者资料库1234ABCD4321DCBATitleNumberRevisionSizeA4Date:25-Jun-2003Sheet of File:D:My Filesunderlag produktiont21EM1201 FrontpanelEM1201-02.DDBDrawn By:12345678910111213141516P116PIN1234SW11234SW51234SW21234SW31234SW61234SW71234SW9R11K05R2820RR3953RR41K1R51K33R61K6R71K96R82K49STR1D2CLK3OE15Q14Q25Q36Q47Q514Q613Q712Q811QS9QS10U2HEF4094BPD4LEDD5LEDD3LEDD2LEDD1LEDR101K3R114K7R124K7R134K7R144K7R17NCVCCSTANDBYPRESETRDSCENTERSTEREOVCC123456CON5123456CON7123456CON6123CON8VCCVCCVCCUPDOWNSTOREDISPLAYPRESETIF/BLEND/MONOSTANDBYVCC2VOUT1GND3IR2R1510RC910u 16VR1610KVCCIR-RECEIVERVCCC2100NC110u 16VVCCR18MRS25C3100NDISPLAY PCBFile NameTechnical Specifications Tuning range (50 kHz steps): 87,5 -108,0 MHz Tuning range Japan (50 kHz steps): 75,5 - 90,5 MHz Usable Sensivity Mono: 0,9 uV, 75 DIN Usable Sensivity Stereo: 20 uV, 75 DIN Capture Ratio: 2,0 dB Image Rejection Ratio: 100 dB Signal-to-noise Ratio Mono: 76 dB Signal-to-noise Ratio Stereo: 70 dB Alternate Channel Attenuation: 90 dB, IHF AM Supression Ratio: 50 dB Subcarrier Product Rejection: 76 dB Total Harmonic Distortion Mono: 0,05% (Wide) Total Harmonic Distortion Stereo: 0,15% (Wide) Frequency Response: 20 Hz - 15 kHz +0,3/-0,8 dB Stereo Separation: 43 dB at 1 kHz (Wide), 40 dB at 70 Hz - 10 kHz Power consumption: Stand by 7W Output Voltage: 0,775 V Output Impedance: 600R Muting Level: 18 dBf, 2,2 uV, 75R Output Impedance: 75R
