KD-G414 Datasheet PDF - JVC

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KD-G414
JVC

Part Number KD-G414
Description (KD-G413 / KD-G414) CD RECEIVER
Page 30 Pages


KD-G414 datasheet pdf
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SERVICE MANUAL
CD RECEIVER
M20A01578 KD-G414,KD-G413
Area suffix
UI --------------------------- India
www.DataSheet.co.kr
CONTROL PANEL
KD-G414
SILVER
KD-G413
BLACK
TABLE OF CONTENTS
1 PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-26
COPYRIGHT © 2005 Victor Company of Japan, Limited
No.MA178
2005/2Datasheet pdf - http://www.DataSheet4U.net/



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SPECIFICATION
AUDIO AMPLIFIER SECTION
Maximum Power Output
Front
50 W per channel
Rear
50 W per channel
Continuous Power Output (RMS) Front
19 W per channel into 4 , 40 Hz to 20 000 Hz at no more
than 0.8% total harmonic distortion.
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
±10 dB at 100 Hz
Treble
±10 dB at 10 kHz
Frequency Response
40 Hz to 20 000 Hz
Signal-to-Noise Ratio
70 dB
Line-Out Level/Impedance
2.0 V/20 kload (full scale)
Output Impedance
1 k
TUNER SECTION
Frequency Range
FM
87.5 MHz to 108.0 MHz
AM 531 kHz to 1 602 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
35 dB
Capture Ratio
1.5 dB
AM Tuner
Sensitivity
www.DataSheet.co.kr
20
µV
Selectivity
35 dB
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: 192 kbps
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 × 150 mm
Panel Size (approx.)
188 mm × 58 mm × 11 mm
Mass (approx.)
1.3 kg (excluding accessories)
• Design and specifications are subject to change without notice.
• Microsoft and Windows Media are either registered trademarks or trademarks of Microsoft Corporation in the United States and/
or other countries.
1-2 (No.MA178)
Datasheet pdf - http://www.DataSheet4U.net/



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SECTION 1
PRECAUTIONS
1.1 Safety Precautions
! Burrs formed during molding may be left over on some parts of the chassis. Therefore,
pay attention to such burrs in the case of preforming repair of this system.
! Please use enough caution not to see the beam directly or touch it in case of an
adjustment or operation check.
www.DataSheet.co.kr
(No.MA178)1-3
Datasheet pdf - http://www.DataSheet4U.net/



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1.2 Preventing static electricity
Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser
diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs.
1.2.1 Grounding to prevent damage by static electricity
Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as CD players.
Be careful to use proper grounding in the area where repairs are being performed.
(1) Ground the workbench
Ground the workbench by laying conductive material (such as a conductive sheet) or an iron plate over it before placing the
traverse unit (optical pickup) on it.
(2) Ground yourself
Use an anti-static wrist strap to release any static electricity built up in your body.
(caption)
Anti-static wrist strap
1M Conductive material
(3) Handling the optical pickup
(conductive sheet) or iron plate
• In order to maintain quality during transport and before installation, both sides of the laser diode on the replacement optical
pickup are shorted. After replacement, return the shorted parts to their original condition.
(Refer to the text.)
• Do not use a tester to check the condition of the laser diode in the optical pickup. The tester's internal power source can easily
destroy the laser diode.
1.3 Handling the traverse unit (optical pickup)
(1) Do not subject the traverse unit (optical pickup) to strong shocks, as it is a sensitive, complex unit.
(2) Cut off the shorted part of the flexible cable using nippers, etc. after replacing the optical pickup. For specific details, refer to the
replacement procedure in the text. Remove the anti-static pin when replacing the traverse unit. Be careful not to take too long a
time when attaching it to the connector.
(3) Handle the flexible cable carefully as it may break when subjected towww.DataSheet.co.kr strong force.
(4) It is not possible to adjust the semi-fixed resistor that adjusts the laser power. Do not turn it.
1.4 Attention when traverse unit is decomposed
*Please refer to "Disassembly method" in the text for the CD pickup unit.
• Apply solder to the short land before the flexible wire is disconnected from the connector on the CD pickup unit.
(If the flexible wire is disconnected without applying solder, the CD pickup may be destroyed by static electricity.)
• In the assembly, be sure to remove solder from the short land after connecting the flexible wire.
Short-circuit point
(Soldering)
Flexible wire
Pickup
1-4 (No.MA178)
Datasheet pdf - http://www.DataSheet4U.net/



KD-G414 datasheet pdf
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