JVC KD-AVX1 service manual For Asia & Australia version, Audio Amplifier Section

Page 4

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 , 40 Hz to 20 000 Hz at no more than 0.8% total

 

 

 

harmonic distortion.

 

 

 

 

 

 

 

Rear

20 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)

 

 

 

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-Noise Ratio

 

70 dB

 

 

 

 

 

 

Line-In Level/Impedance

 

1.5 V/20 kload

 

 

 

 

Line-Out Level/Impedance

 

5.0 V/20 kload (full scale)

 

 

 

 

 

Output Impedance

 

1 k

 

 

 

 

 

Subwoofer-Out Level/Impedance

 

2.0 V/20 kload (full scale)

 

 

 

 

Color System

 

NTSC/PAL

 

 

 

 

 

Video Input (composite)

 

1 Vp-p/75

 

 

 

 

 

Video Output (composite)

 

1 Vp-p/75

 

 

 

 

Other Terminals

 

2nd AUDIO OUT, DIGITAL OUT (optical), CD changer

 

 

 

 

 

 

 

 

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 V/75 )

 

 

 

 

 

 

50 dB Quieting Sensitivity

16.3 dBf (1.8 V/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

20 V

 

 

 

 

 

 

 

 

 

 

Selectivity

35 dB

 

 

 

 

 

 

 

 

 

DVD/CD PLAYER SECTION

 

Signal Detection System

 

Non-contact optical pickup (semiconductor laser)

 

 

 

 

Number of Channels

 

2 channels (stereo)

 

 

 

 

 

Frequency Response

 

DVD fs=48 kHz

16 Hz to 22 000 Hz

 

 

 

 

 

 

 

 

DVD fs=96 kHz

16 Hz to 44 000 Hz

 

 

 

 

 

 

 

 

VCD, CD

16 Hz to 20 000 Hz

 

 

 

 

 

 

 

Dynamic Range

 

93 dB

 

 

 

 

 

 

 

Signal-to-Noise Ratio

 

95 dB

 

 

 

 

 

Wow and Flutter

 

Less than measurable limit

 

 

 

MP3

 

Max. Bit Rate: 320 kbps

 

 

 

 

 

WMA (Windows Media Audio)

 

Max. Bit Rate

192 kbps

 

 

 

 

 

 

 

 

 

 

MONITOR SECTION

 

 

Screen

 

3-inch liquid crystal panel

 

 

 

 

Number of Pixels

 

123 200 pixels

 

 

 

 

Drive Method

 

TFT (Thin Film Transistor) active matrix format

 

 

 

 

Color system

 

NTSC/PAL

 

 

 

 

 

 

 

 

 

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

18 mm

 

 

 

 

Mass (approx.)

 

2.0 kg (excluding accessories)

Design and specifications are subject to change without notice.

1-4 (No.MA165)

Image 4
Contents KD-AVX1 Specification For Northern America versionFor Europe version PALFor Asia & Australia version Audio Amplifier SectionSection Precautions Grounding to prevent damage by static electricity Preventing static electricityHandling the traverse unit optical pickup Reproduction and Position of Labels Important for laser productsSection Specific Service Instructions Removing the side heat sink See Reference Main body section Removing the panel assembly SeeSide heat sink Removing the top chassis assembly See Figs.3 to Remove the panel assembly and side heat sinkRemoving the front chassis assembly See Removing the DVD mechanism assembly See Figs.8Removing the loading unit assembly See Removing the front bracket assembly SeeCN962 Front bracket assembly Removing the main sub board SeeRemoving the connector board See Figs.13 to Detach lever Connector coverRemoving the main board See Figs.16 Removing the rear bracket See Removing the panel switch board SeeRear heat sink Rear bracket Removing the panel board See Figs.20 Removing the switch board See Figs.20CN582 Short-circuit points Removing the top cover See Removing the mechanism section See toRemoving the clamper unit See to Reattaching the clamper unit See toClamper unit Clamper spring Notch 20 No.MA165 Removing the front unit See to Removing the loading arm assembly See Removing the rod LR/roller assembly See Removing the DVD pickup assembly See to Removing the feed motor assembly See Removing the spindle motor SeeConnection procedure Test instruments required for adjustmentConnection method Standard measuring conditions Adjustment method for jitter Adjustment procedureJitter value conversion table D8CAService mode setting procedure Service mode Standard input/output conditionsOperation procedures Service Mode Ntsc Running Mode DVD check mode Service MODE4 RDS S Mode Monitor S ModeMechanism error code Error code tablesRunning mode Writing method for micon ROM correctionPower on Insert the disc which a farm was written in at Update method of firm wareMonitor adjustment ChromaSection Troubleshooting 16 PIN Cord Diagram for E version16 PIN Cord Diagram for A, J, U, UN, UT version No.MA1651-39VPT Parts List Exploded view of general assembly and parts list 133 131 132 General Assembly Panel Assy DVD mechanism assembly and parts list DVD mechanism Thrust Spring QYSPSFT2040ZA TAP Screw Electrical parts list QERF1HM-225Z Capacitor QERF1HM-104Z Capacitor Part Name Description Local R231 NRSA63J-104X NRSA63J-2R2X MG Resistor Panel board NDC31HJ-2R0X Capacitor 16W J R601 NRSA63J-121X Connector board NEAF0GM-227X Capacitor SW4 Packing materials and accessories parts list Packing and Accessories Schematic Diagrams Safety precaution M O Block diagram Version Standard schematic diagrams Main amplifier sectionSheet Panel-A section GDC-RS456 Panel-B section MA2SV03-XSheet Connecting section SheetSheet DVD servo control section TubuyakiTo CN965 Sheet Printed circuit boards Main boardReverse side Panel board CN521 R483 C475 R482 C474 R481 R480 C470 C485 L472 IC585 Connector board M O Front end board IC301 No.MA165SCH