索尼Sony–TC-270-维修手册

TC-270AEP ModelSTEREO TAPECORDERSPECIFICATIONSInputs:MICPower Requirements:2650/8,10v.127V.20v.mty:.9m7)Input impedance:55WREC/PB connectorTrack System:Four-track stereo and monoInput impedance:3.9 k ohms7"(18 cm)maximumInput level:17.4mv(-33dB)Reel Size:Tape Speed:712 ips,3%4 ips and 17s ipsOutputs:LINE OUTputs(19cm/s,9.5 cm/s and 4.8 cm/s)Load impedance:more than 10 k ohmsOutput level:-5dB(0,43V)Frequency Response:NABDINSPEAKER outputs30≈18,000Hz,30-16,000HzLoad impedance:8at 71/2 ips (19 cm/s)REC/PB connectorOutput impedance:80 ohms30~13,000Hz,4012500HzOutput level:0dB(0.775v)at 334 ips (9.5 cm/s)Headphone output30≈7.000HzLoad impedance:82at 17/8 ips (4.8 cm/s)Semiconductors:18 transistors and 4 diodesSignal-to-Noise Ratio:50dB or moreDimensions:201%6W×10%6(H)x15/4"(D)Wow and Flutter:NABDIN513×260×387mm】0.12%,0.18%Weight:36Ib 6oz(16.5 kg)at 71/2 ips (19cm/s)0.15%,0.25%at 33/4 ips (9.5 cm/s)0.2%at 17/8 ips (4.8 cm/s)Frequency:Approx.85 kHzPower Output:5W maximum per channelSONYSERVICE MANUAL