File name JVC KW-AVX624 - AVX728 service manual.pdfSERVICE MANUAL
DVD RECEIVER WITH MONITOR
S 4 ERVICE MANUAL 2009 MA443
KW-ADV792J, KW-AVX624UI, KW-AVX625U, KW-AVX625UT, KW-AVX625EU, KW-AVX626U, KW-AVX626UT, KW-AVX626EU, KW-AVX626A, KW-AVX720J, KW-AVX720E, KW-AVX720EE, KW-AVX724UI, KW-AVX725U, KW-AVX725UN, KW-AVX725UT, KW-AVX725EU, KW-AVX726U, KW-AVX726UN, KW-AVX726UT, KW-AVX726EU, KW-AVX726A, KW-AVX728UF
only KW-ADV792/KW-AVX720J
only KW-AVX726/KW-AVX725 E,EE
except KW-AVX626/KW-AVX625/KW-AVX624
COPYRIGHT © 2009 Victor Company of Japan, Limited Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)
TABLE OF CONTENTS
1 2 3 4 5 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-32
COPYRIGHT © 2009 Victor Company of Japan, Limited
No.MA443 2009/4
SPECIFICATION
KW-ADV792/KW-AVX720J
AMPLIFIER 20 W RMS × 4 Channels at 4 and < or = 1% THD+N 80 dBA (reference: 1 W into 4 ) 4 (4 to 8 allowance) Frequencies 60 Hz, 150 Hz, 400 Hz, 1 kHz, 2.5 kHz, 6.3 kHz, 15 kHz Level ±10 dB Audio Output Level Line-Out Level/Impedance 2.5 V/20 k load (full scale) LINE OUT (REAR) and SUBWOOFER Output Impedance 1 k Color System NTSC Video Output (composite) 1 Vp-p/75 Other Terminals Input LINE IN, VIDEO IN, Antenna input, USB input, Steering wheel remote input Output VIDEO OUT Others CD changer, DIGITAL OUT (optical) TUNER SECTION Frequency Range FM with channel interval set to 100 kHz or 200 kHz 87.5 MHz to 107.9 MHz with channel interval set to 50 kHz 87.5 MHz to 108.0 MHz AM with channel interval set to 10 kHz 530 kHz to 1 710 kHz with channel interval set to 9 kHz 531 kHz to 1 602 kHz FM Tuner Usable Sensitivity 9.3 dBf (0.8 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 40 dB AM Tuner Sensitivity 20 µV Selectivity 40 dB DVD/CD Signal Detection System Non-contact optical pickup (semiconductor laser) Frequency Response DVD, fs=48 kHz/96 kHz 16 Hz to 22 000 Hz VCD/CD 16 Hz to 20 000 Hz Dynamic Range 96 dB Signal-to-Noise Ratio 98 dB Wow and Flutter Less than measurable limit USB USB Standards USB 2.0 Full Speed Data Transfer Rate Full Speed Maximum 12 Mbps Low Spe |
