Sony CDX-GT72W Service Manual

Also see for CDX-GT720 - Fm/am Compact Disc Player: Limited warranty Operating instructions Specifications Installation/connections Operating instructions

SERVICE MANUALPublished by Sony Techno Create CorporationSony CorporationAudio Business GroupSPECIFICATIONSFM/AM COMPACT DISC PLAYER9-887-940-012007L04-1© 2007.12US ModelCDX-GT72W/GT720E ModelCDX-GT770Ver. 1.0 2007.12Model Name Using Similar Mechanism NEWCD Drive Mechanism Type MG-101FC-188//QOptical Pick-up Name DAX-25A• The tuner and CD sections have no adjustments.(Photo: CDX-GT720)CD Player sectionSignal-to-noise ratio: 120 dBFrequency response: 10 – 20,000 HzWow and flutter: Below measurable limitTuner sectionFMTuning range:CDX-GT72W/GT720:87.5 – 107.9 MHzCDX-GT770:87.5 – 108.0 MHz (at 50 kHz step)87.5 – 107.9 MHz (at 200 kHz step)FM tuning interval:CDX-GT770:50 kHz/200 kHz switchableAntenna (aerial) terminal:External antenna (aerial) connectorIntermediate frequency: 10.7 MHz/450 kHzUsable sensitivity: 9 dBfSelectivity: 75 dB at 400 kHzSignal-to-noise ratio:67 dB (stereo), 69 dB (mono)Harmonic distortion at 1 kHz:0.5 % (stereo), 0.3 % (mono)Separation: 35 dB at 1 kHzFrequency response: 30 – 15,000 HzAMTuning range:CDX-GT72W/GT720:530 – 1,710 kHzCDX-GT770:531 – 1,602 kHz (at 9 kHz step)530 – 1,710 kHz (at 10 kHz step)AM tuning interval:CDX-GT770:9 kHz/10 kHz switchableAntenna (aerial) terminal:External antenna (aerial) connectorIntermediate frequency: 10.7 MHz/450 kHzSensitivity: 30 μVPower amplifier sectionOutputs: Speaker outputs (sure seal connectors)Speaker impedance: 4 – 8 ohmsMaximum power output: 52 W × 4 (at 4 ohms)GeneralOutputs:Audio outputs terminal (front/rear)Subwoofer output terminal (mono)Power antenna (aerial) relay control terminalPower amplifi er control terminalInputs:Telephone ATT control terminalIllumination control terminalBUS control input terminalBUS audio input terminalRemote controller input terminalAntenna (aerial) input terminalAUX input jack (stereo mini jack)Tone controls:Low: ±10 dB at 60 Hz (XPLOD)Mid: ±10 dB at 1 kHz (XPLOD)High: ±10 dB at 10 kHz (XPLOD)Power requirements: 12 V DC car battery(negative ground (earth))Dimensions: Approx. 178 × 50 × 190 mm(7 1/8 × 2 × 7 1/2 in.) (w/h/d)Mounting dimensions:Approx. 182 × 53 × 163 mm(7 1/4 × 2 1/8 × 6 1/2 in.) (w/h/d)Mass: Approx. 1.6 kg (3 lb 9 oz)Supplied accessories:Card remote commander:RM-X152 (CDX-GT72W/GT720)RM-X156 (CDX-GT770)Parts for installation and connections (1 set)Design and specifications are subject to changewithout notice.AUDIO POWER SPECIFICATIONS(CDX-GT72W/GT720)POWER OUTPUT AND TOTAL HARMONIC DISTORTION23.2 watts per channel minimum continuous average power into4 ohms, 4 channels driven from 20 Hz to 20 kHz with no morethan 5% total harmonic distortion.CDX-GT72W/GT720/GT770