Résumé du contenu de la page N° 1
SERVICE MANUAL
DVD/CD RECEIVER
5 200 MA1 565
KD-AVX1
Area suffix
J ------------- Northern America
E ------------- Southern Europe
A ------------------------ Australia
UT ------------------------- Taiwan
UN --------------------- Indonesia
U -------------------- Other Areas
KD-AVX1
OK
DISP
D
SOURCE MENU
T/P
BACK
BAND
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
TABLE OF CONTENTS
1 PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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SPECIFICATION for NORTHERN AMERICA version AUDIO AMPLIFIER SECTION Power Output 20 W RMS × 4 Channels at 4 Ω and [< or =] 1% THD+N Signal to Noise Ratio 80 dBA (reference: 1 W into 4 Ω ) Load Impedance 4 Ω (4 Ω to 8 Ω allowance) Equalizer Control Range Frequencies 60 Hz, 150 Hz, 400 Hz, 1 kHz, 2.5 kHz, 6.3 kHz, 15 kHz Level ±10 dB Line-In Level/Impedance 1.5 V/20 kΩ load Line-Out Level/Impedance 5.0 V/20 kΩ load (full scale) Output Impedance 1 kΩ Subwoofer-Out Level/Impedance 2.0 V/20 kΩ load (f
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for EUROPE version AUDIO AMPLIFIER SECTION Maximum Power Output Front 50 W per channel Rear 50 W per channel Continuous Power Output (RMS) Front 20 W per channel into 4 Ω , 40 Hz to 20 000 Hz at no more than 0.8% total harmonic distortion. Rear 20 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) Equalizer Control Range Frequencies 60 Hz, 150 Hz, 400 Hz, 1 kHz, 2.5 kHz, 6.3 kHz, 15 kHz Level ±10 dB Signal-to-No
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for ASIA & AUSTRALIA version AUDIO AMPLIFIER SECTION Maximum Power Output Front 50 W per channel Rear 50 W per channel Continuous Power Output (RMS) Front 20 W per channel into 4 Ω , 40 Hz to 20 000 Hz at no more than 0.8% total harmonic distortion. Rear 20 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) Equalizer Control Range Frequencies 60 Hz, 150 Hz, 400 Hz, 1 kHz, 2.5 kHz, 6.3 kHz, 15 kHz Level ±10 dB Si
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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. (No.MA165)1-5
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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 ar
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1.4 Important for laser products 5.CAUTION : If safety switches malfunction, the laser is able 1.CLASS 1 LASER PRODUCT to function. 2.DANGER : Invisible laser radiation when open and inter 6.CAUTION : Use of controls, adjustments or performance of lock failed or defeated. Avoid direct exposure to beam. procedures other than those specified here in may result in 3.CAUTION : There are no serviceable parts inside the hazardous radiation exposure. Laser Unit. Do not disassemble the Laser Unit. R
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SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. 1-8 (No.MA165)
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SECTION 3 DISASSEMBLY 3.1 Main body section 3.1.1 Removing the panel assembly (See Fig.1) (1) Push the button(detach) in the lower right part of the panel assembly. Panel assembly (2) Remove the panel assembly. Button(detach) Fig.1 3.1.2 Removing the side heat sink (See Fig.2) Reference: Remove the panel assembly as required. Side heat sink B (1) From the left side of the main body, remove the two screws A and three screws B attaching the side heat sink. (2) Remove the side heat sink from the
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3.1.3 Removing the top chassis assembly (See Figs.3 to 6) • Remove the panel assembly and side heat sink. (1) From the top side of the main body, remove the two screws Top chassis assembly C attaching the top chassis assembly. (See Fig.3.) (2) From the back side of the main body, remove the two screws C attaching the top chassis assembly. (See Fig.4.) (3) From the both sides of the main body, remove the two screws C and screw D attaching the top chassis assembly. (See Figs.5 and 6.) (4) Lift th
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3.1.4 Removing the front chassis assembly (See Fig.7) • Remove the panel assembly, side heat sink and top chassis assembly. Top chassis assembly (1) From the both sides of the top chassis assembly, remove the two screws E attaching the front chassis assembly. (2) Remove the front chassis assembly from the top chassis assembly. E E Front chassis assembly Fig.7 3.1.5 Removing the DVD mechanism assembly (See Figs.8 and 9) • Remove the panel assembly, side heat sink and top chassis assembly. DVD m
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3.1.6 Removing the main sub board (See Fig.10) • Remove the panel assembly, side heat sink, top chassis as- sembly and DVD mechanism assembly. a Main sub board a (1) From the top side of the DVD mechanism assembly, re- lease the lock of the connector CN965 on the main sub board and disconnect the card wire. (2) Remove the two screws G attaching the main sub board on G G the DVD mechanism assembly and remove the main sub board. Reference: When attaching the main sub board, align the projections
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3.1.10 Removing the connector board (See Figs.13 to 15) • Remove the panel assembly, side heat sink, top chassis as- sembly and front bracket assembly. Torsion spring Front bracket assembly M (1) From the front side of the front bracket assembly, remove b the two screws M. (See Fig.13.) (2) Remove the joints b and remove the detach lever from the front bracket assembly. (See Fig.13.) Reference: c When attaching the detach lever, insert the end of the torsion spring in the hole c of the front br
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3.1.11 Removing the main board (See Figs.16 and 17) • Remove the panel assembly, side heat sink, top chassis as- sembly, loading unit assembly and arm bracket assemblies Rear bracket (L)/(R). (1) From the back side of the main body, remove the screw P attaching the rear bracket. (See Fig.16.) (2) From the top side of the main body, take out the rod gear. (See Fig.17.) Reference: When attaching the rod gear, attach the washers with it as before. (See Fig.17.) P (3) Release the lock of the connec
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3.1.12 Removing the rear bracket (See Fig.18) • Remove the panel assembly, side heat sink, top chassis as- sembly, loading unit assembly, arm bracket assemblies (L)/(R) Wire holder Car cable and main board. R R Rear heat sink (1) From the back side of the main board, remove the two screws Q attaching the rear heat sink. (2) Remove the three screws R, screw R' and screw S attach- ing the rear bracket. R' Reference: When attaching the screw R', attach the wire holder with it as before. f (3) Remo
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3.1.14 Removing the panel board (See Figs.20 and 21) • Remove the panel assembly. (1) From the back side of the panel assembly, remove the sev- Rear cover U U en screws U attaching the rear cover to the panel assem- bly. (See Fig.20.) (2) From the inside of the rear cover, release the lock of the connector CN582 on the panel board and disconnect the card wire. (See Fig.21.) (3) Remove the five screws V attaching the panel board and take out the panel board from the rear cover. (See Fig.21.) 3.1
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3.2 DVD mechanism assembly 3.2.1 Removing the mechanism control board (See Fig.1) Caution: Before disconnecting the flexible wire extending from the DVD Lug wire Flexible wire pickup, solder the short-circuit point on the flexible wire using Feed motor a grounding soldering iron. If you do not follow this instruction, A B Double tape the DVD pickup may be damaged. (1) Turn over the body, and solder the short-circuit points on a the flexible wire extending from the DVD pickup. (2) Disconnect the
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3.2.2 Removing the top cover (See Fig.2) (1) Remove the two screws D attaching the top cover on the back of the body. (2) Remove the top cover upward. Reference: When reassembling, set part b of the top cover under the bending part c of the chassis frame. 3.2.3 Removing the mechanism section (See Fig.2 to 4) • Remove the top cover. (1) From the bottom of the body, remove the screw E attaching the lug wire. (See Fig.2.) (2) Remove the two screws F attaching the right and left stop- pers on the
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3.2.4 Removing the clamper unit (See Fig.5 to 7) • Remove the top cover and the mechanism section. (1) Remove the clamper2 spring on the bottom of the mecha- Clamper2 spring nism section. (See Figs.5.and 6.) (2) Release the part d of the clamper spring from the bending part of the chassis base assembly. (See Fig.7.) (3) Move the clamper unit in the direction of the arrow and turn. Release the two joints e and f, then remove the clamper unit upward. (See Fig.6.) 3.2.5 Reattaching the clamper uni
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Clamper unit Clamper spring Fig.8 Clamper unit g Notch Fig.9 1-20 (No.MA165)
