Jvc KDG 351 EY Service Manual

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Jvc KDG 351 EY Service Manual

Extracted text from Jvc KDG 351 EY Service Manual (Ocr-read)


Page 1

1-2 (No.MA377) SPECIFICATION KD-G441/KD-G351 Design and specifications are subject to change without notice.AUDIO AMPLIFIER SECTION Maximum Power Output Front/Rear 50 W per channel Continuous Power Output (RMS) Front/Rear 19 W per channel into 4 Ω 40 Hz to 20 000 Hz at no more than 0.8% total harmonic distortion Load Impedance 4 Ω (4 Ω to 8 Ω allowance) Tone Control Range Bass ±12 dB at 60 Hz Middle ±12 dB at 1 kHz Treble ±12 dB at 10 kHz Frequency Response 40 Hz to 20 000 Hz Signal to Noise Ratio 70 dB Audio Output Level (for KD-G441) Line-Out Level/Impedance 2.5 V/20 kΩ load (full scale) Output Impedance 1 kΩ Subwoofer-Out Level/Impedance 2.5 V /20 kΩ load (full scale) Other Terminals AUX (auxiliary) input jack USB input jack Steering wheel remote input (forKD-G441) TUNER SECTION Frequency Range FM 87.5 MHz to 108.0 MHz AM MW: 522 kHz to 1 620 kHz LW: 144 kHz to 279 kHz FM Tuner Usable Sensitivity 11.3 dBf (1.0 µV/75 Ω) 50 dB Quieting Sensitivity 16.3 dBf (1.8 µV/75 Ω) Alternate Channel Selectivity (400 kHz) 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 30 dB MW Tuner Sensitivity/Selectivity 20 µV/35 dB LW Tuner Sensitivity 50 µV CD PLAYER SECTION Type Compact disc player Signal Detection System Non-contact optical pickup (semiconductor laser) Number of Channels 2 channels (stereo) Frequency Response 5 Hz to 20 000 Hz Dynamic Range 96 dB Signal-to-Noise Ratio 98 dB Wow and Flutter Less than measurable limit MP3 Decoding Format: (MPEG1/2 Audio Layer 3) Max. Bit Rate 320 kbps WMA (Windows Media® Audio) Decoding Format Max. Bit Rate 320 kbps USB SECTION USB Standard USB 1.1, USB 2.0 Data Transfer Rate (Full Speed) Max. 12 Mbps Storage Less than 8 GB (1 partition type) Compatible Device Mass storage class (except HDD) Compatible File System FAT 32/16/12 Playable Audio Format MP3/WMA Max. Current 500 mA GENERAL Power Requirement Operating Voltage DC 14.4 V (11 V to 16 V allowance) Grounding System Negative ground Allowable Operating Temperature 0°C to +40°C Dimensions (W × H × D) Installation Size (approx.) 182 mm × 52 mm × 160 mm Panel Size (approx.) 188 mm × 58 mm × 13 mm Mass (approx.) 1.3 kg (excluding accessories)

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(No.MA377)1-3 KD-G447/KD-G357 Design and specifications are subject to change without notice.AUDIO AMPLIFIER SECTION Maximum Power Output Front/Rear 50 W per channel Continuous Power Output (RMS) Front/Rear 19 W per channel into 4 Ω 40 Hz to 20 000 Hz at no more than 0.8% total harmonic distortion Load Impedance 4 Ω (4 Ω to 8 Ω allowance) Tone Control Range Bass ±12 dB at 60 Hz Middle ±12 dB at 1 kHz Treble ±12 dB at 10 kHz Frequency Response 40 Hz to 20 000 Hz Signal to Noise Ratio 70 dB Other Terminals AUX (auxiliary) input jack, USB input jack TUNER SECTION Frequency Range FM1/FM2 87.5 MHz to 108.0 MHz FM3 65.00 MHz to 74.00 MHZ AM MW: 522 kHz to 1 620 kHz LW: 144 kHz to 279 kHz FM Tuner Usable Sensitivity 11.3 dBf (1.0 µV/75 Ω) 50 dB Quieting Sensitivity 16.3 dBf (1.8 µV/75 Ω) Alternate Channel Selectivity (400 kHz) 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 30 dB MW Tuner Sensitivity/Selectivity 20 µV/35 dB LW Tuner Sensitivity 50 µV CD PLAYER SECTION Type Compact disc player Signal Detection System Non-contact optical pickup (semiconductor laser) Number of Channels 2 channels (stereo) Frequency Response 5 Hz to 20 000 Hz Dynamic Range 96 dB Signal-to-Noise Ratio 98 dB Wow and Flutter Less than measurable limit MP3 Decoding Format: (MPEG1/2 Audio Layer 3) Max. Bit Rate 320 kbps WMA (Windows Media® Audio) Decoding Format Max. Bit Rate 320 kbps USB SECTION USB Standard USB 1.1, USB 2.0 Data Transfer Rate (Full Speed) Max. 12 Mbps Storage Less than 8 GB (1 partition type) Compatible Device Mass storage class (except HDD) Compatible File System FAT 32/16/12 Playable Audio Format MP3/WMA Max. Current 500 mA GENERAL Power Requirement Operating Voltage DC 14.4 V (11 V to 16 V allowance) Grounding System Negative ground Allowable Operating Temperature 0°C to +40°C Dimensions (W × H × D) Installation Size (approx.) 182 mm × 52 mm × 160 mm Panel Size (approx.) 188 mm × 58 mm × 13 mm Mass (approx.) 1.3 kg (excluding accessories)

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(No.MA377)1-19 3.2.7 Removing the pickup (See Figs.10 to 12) - Remove the top cover, base board and chassis unit. (1) From the bottom side of the chassis unit, remove the screw E attaching the pu. shaft holder B and pull the pu. shaft out of the pu. shaft holder A. (See Fig.10.) (2) Remove the screw F attaching the pu. shaft holder A. (See Fig.10.) (3) Take out the pickup with pu. shaft holder A and feed screw assembly from the chassis unit. (See Fig.11.) (4) Remove the section h of the pu. shaft holder A in the direction of the arrow. (See Fig.11.) (5) Remove the feed screw assembly from the section j of the pickup in the direction of the arrow. (See Fig.11.) (6) Remove the screw G attaching the feed screw holder to the pickup. (See Fig.12.) Reference: Remove the feed nut spring from the feed screw holder as required. (See Fig.12.) (7) Release the claw k in the direction of the arrow to remove the feed sub holder. (See Fig.12.) 3.2.8 Reattaching the pickup (See Figs.10 to 13) (1) Reattach the feed sub holder to the pickup. (See Fig.12.) (2) Reattach the feed screw holder to the pickup using the screw G. (See Fig.12.) (3) Reattach the feed screw assembly and pu. shaft holder A to the pickup as before. (See Fig.11.) (4) Set the section m of the pickup to the rail of the chassis unit at first and attach the pickup to the chassis unit with the screw F as before. (See Figs.10 and 13.) (5) Attach the pu. shaft to the pickup as before. (See Fig.10.) (6) Attach the pu. shaft holder B to the chassis unit with the screw E as before. (See Fig.10.) Fig.10Fig.11 Fig.12 Fig.13 Pu. shaft holder A Chassis unit Pu. shaft Pickup Pu. shaft holder B E F Pickup Feed screw assembly Pu. shaft holder A h j kPickup Feed screw holder Feed sub holder G Feed screw holder Feed nut spring F Chassis unit Pickupm Rail