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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 -„¦ 40 Hz to 20 000 Hz at no
more than 0.8% total harmonic distortion
Load Impedance 4 -„¦ (4 -„¦ to 8 -„¦ 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 k-„¦ load (full scale)
Output Impedance 1 k-„¦
Subwoofer-Out Level/Impedance 2.5 V /20 k-„¦ 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 -„¦)
50 dB Quieting Sensitivity 16.3 dBf (1.8 µV/75 -„¦)
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)
Page 2
(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 -„¦ 40 Hz to 20 000 Hz at no
more than 0.8% total harmonic distortion
Load Impedance 4 -„¦ (4 -„¦ to 8 -„¦ 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 -„¦)
50 dB Quieting Sensitivity 16.3 dBf (1.8 µV/75 -„¦)
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)
Page 18
(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
