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SERVICE MANUAL
DVD RECEIVER WITH MONITOR
SERVICE MANUAL
12
MA425<Rev.001>
2008
KD-AV7100JW, KD-AV7100EU,
KD-AV7100EE, KD-AV7100U,
KD-AV7100US, KD-AV7100A
COPYRIGHT © 2008 Victor Company of Japan, Limited
Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
TABLE OF CONTENTS
COPYRIGHT © 2008 Victor Company of Japan, Limited
No.MA425<Rev.001>
2008/12
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Summary of Contents for JVC KD-AV7100JW
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Page 1: Table Of Contents
SERVICE MANUAL DVD RECEIVER WITH MONITOR MA425<Rev.001> 2008 SERVICE MANUAL KD-AV7100JW, KD-AV7100EU, KD-AV7100EE, KD-AV7100U, KD-AV7100US, KD-AV7100A COPYRIGHT © 2008 Victor Company of Japan, Limited Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade) TABLE OF CONTENTS PRECAUTION. - Page 2 SPECIFICATION AMPLIFIER Maximum Power Output Front/Rear 50 W per channel Continuous Power Output (RMS) Front/Rear 20 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more than 0.8% total harmonic distortion 4 Ω (4 Ω to 8 Ω allowance) Load Impedance Tone Control Range Bass...
- Page 3 Compatible File System FAT 32 Capacity 2 Gbytes Data Transfer Rate Maximum 10 Mbps USB Standards USB 1.1 Data Transfer Rate Full Speed: Maximum 12 Mbytes Low Speed: Maximum 1.5 Mbytes Compatible Device Mass storage class Compatible File System FAT 32/16/12 Max.
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Page 4: Precaution
SECTION 1 PRECAUTION 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. - Page 5 Important for laser products 1.CLASS 1 LASER PRODUCT 5.CAUTION : If safety switches malfunction, the laser is able to function. 2.CAUTION : (For U.S.A.) Visible and/or invisible class II laser radiation 6.CAUTION : Use of controls, adjustments or performance of when open.
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Page 6: Specific Service Instructions
SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. 1-6 (No.MA425<Rev.001>) -
Page 7: Disassembly
SECTION 3 DISASSEMBLY Main body (Used figure are KD-AV7100E) 3.1.1 Removing the Top chassis (See Fig.1 to 7) (1) Remove the two screws A attaching the FPC cover. (See Fig.1) (2) Disconnect the FPC wire connected to connector CON11 CON19 of the Main board. - Page 8 3.1.2 Removing the USB board (See Fig.8) 3.1.4 Removing the Main board (See Fig.11 to 13) (1) Disconnect the connector wire from Main board connected (1) Remove the Signal cables from Bottom chassis. (See to connector CON1 of the USB board. Fig.11) (2) Remove the two screws E attaching the USB board.
- Page 9 3.1.5 Removing the Key board (See Fig.14) (1) Remove the Volume knob. (2) Remove the six screws L attaching the Rear cover. Fig.14 3.1.6 Removing the LCD monitor (See Fig.15 to 18) There are two ways of methods to exclude monitor block. Method 1: Press [OPEN] button.
- Page 10 3.1.7 Removing the TFT board (See Fig.19) (1) Disconnect the FPC from LCD connected to connector CON2 CON4 of the TFT board. (2) Disconnect the card wire from LCD board connected to connector CON7404 of the TFT board. (3) Disconnect the card wire from CCLF board connected to connector CON5 of the TFT board.
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Page 11: Adjustment
SECTION 4 ADJUSTMENT ADJUSTMENT 4.1.3 Standard measuring conditions Power supply voltage DC14.4V(10.5 to 16V) 4.1.1 Test instruments required for adjustment Load impedance 20K ohm (2 Speakers connection) (1) Digital oscilloscope (100MHz) Output Level Line out 2.5V (Vol. MAX) (2) Digital tester (3) Test Disc 4.1.4 Dummy load (4) Extension cable : EXTAV70X-50PF... - Page 12 4.1.6 Service mode • When adjusting, switch on the main unit and insert a test disc (VT-501). And play the test disc and pause it. (1) Power ON (2) Use the remote controller (RM-RK253). (3) Push the button of remote controller with the following order. [SRC] button →...
- Page 13 Indication Minimum value Maximum Reference Detail value register value V-SW Adjust Synchronization mode Polarity cobtrol for the WIDEBLK input signal Video switch COMA Adjust Common Pulse Amplitude COMDC Adjust Reference DC output VFRE Force Dotclk for T-Con stopping AFC2 Phase control Driving ability of pulse output stage SINHI SECAM Inhibit...
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Page 14: Troubleshooting
SECTION 5 TROUBLESHOOTING 16 PIN CORD DIAGRAM (for JW,U,A) GN/BK WH/BK White Yellow Black Green VI/BK GY/BK Gray Blue Violet VI/WH Orange BL/WH OR/WH WH/BK GY/BK VI/WH OR/WH GN/BK VI/BK WH/BK BL/WH 1-14 (No.MA425<Rev.001>) - Page 15 16 PIN CORD DIAGRAM (for EU,EE,US) GN/BK WH/BK White Orange Black Yellow VI/BK GY/BK Gray Green Violet Blue VI/WH Brown BL/WH OR/WH BL/WH OR/WH BL/WH OR/WH VI/BK GY/BK WH/BK GN/BK VI/BK GY/BK VI/WH WH/BK GN/BK (No.MA425<Rev.001>)1-15...
- Page 16 Victor Company of Japan, Limited Mobile Entertainment Division 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MA425<Rev.001>) Printed in Japan...