Service Manual Dvd Receiver with Monitor

SERVICE MANUAL DVD RECEIVER WITH MONITOR

MA425200812SERVICE 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 1 PRECAUTION...... 1-4 2 SPECIFIC SERVICE INSTRUCTIONS ...... 1-6 3 DISASSEMBLY ...... 1-7 4 ADJUSTMENT ...... 1-11 5 TROUBLESHOOTING ...... 1-14

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 Load Impedance 4 Ω (4 Ω to 8 Ω allowance) Tone Control Range Bass ±14 dB (60 Hz, 80 Hz, 100 Hz, 200 Hz) Treble ±14 dB (10 kHz, 12.5 kHz, 15 kHz, 17 kHz) Q (Q-slope) Q1.0, Q1.25, Q1.5, Q2.0 Signal-to-Noise Ratio 70 dB Audio Output Level FRONT/ Line-Out Level/Impedance 4.0 V/20 kΩ load (full scale) REAR/ CENTER/ SUB WOOFER Output Impedance 1 kΩ Color System NTSC/PAL*1 for Spanish NTSC Video Output (composite) 1 Vp-p/75Ω Other Terminals Input AV IN, CAMERA, AUX (auxiliary) input jack, USB input terminal, Aerial input Output AV OUT Others iPod, OE REMOTE*2 FM/AM TUNER Frequency Range USA FM 87.5 MHz - 107.9 MHz/200 kHz AM 530 kHz - 1 710 kHz/10 kHz S-Amer1 FM 87.5 MHz - 107.9 MHz/100 kHz AM 530 kHz - 1 710 kHz/10 kHz Europe FM 87.50 MHz - 108.00 MHz/50 kHz AM 522 kHz - 1 620 kHz/9 kHz Other FM 87.50 MHz - 108.00 MHz/50 kHz AM 531 kHz - 1 602 kHz/9 kHz FM Tuner Usable Sensitivity 11.3 dBf (1.0 µV/75 Ω) 50 dB Quieting Sensitivity 16.3 dBf (1.8 µV/75 Ω) Alternate Channel Selectivity (400 kHz) 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 35 dB AM Tuner Sensitivity/Selectivity 20 µV/35 dB DVD/CD Signal Detection System Non-contact optical pickup (semiconductor laser) Frequency Response DVD, fs=48 kHz 16 Hz to 22 000 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

1-2 (No.MA425) SD Compatible File System FAT 32 Capacity 2 Gbytes Data Transfer Rate Maximum 10 Mbps USB 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. Current Less than 500 mA/5 V MONITOR Screen Size 7 inch wide liquid crystal display Number of Pixel 336 960 pixels: 480 x 3 (horizontal) × 234 (vertical) Drive Method TFT (Thin Film Transistor) active matrix format Color System NTSC/PAL for Spanish NTSC Aspect Ratio 16:9 (wide) GENERAL Power Requirement Operating Voltage DC 14.4 V (11 V to 16 V allowance) Grounding System Negative ground Allowable Storage Temperature -10°C to +60°C Allowable Operating Temperature 0°C to +50°C Dimensions (W × H × D): Installation Size (approx.) 182 mm × 53 mm × 159 mm With trim plate and sleeve at- Panel Size (approx.) 188 mm × 58 mm × 13 mm tached Detachable Panel Size (approx.) 134 mm × 22 mm × 19 mm Mass (approx.) 2.5 kg (including trims and sleeve) *1 Use an external monitor which can switch the color system (NTSC/PAL) automatically. ( A, EU/US, U, EE ) *2 Not used for this unit. ( A, EU/US, U, JW ) Design and specifications are subject to change without notice.

(No.MA425)1-3 SECTION 1 PRECAUTION

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.

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 (conductive sheet) or iron plate (3) Handling the optical pickup • 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 to strong force. (4) It is not possible to adjust the semi-fixed resistor that adjusts the laser power. Do not turn it.

1-4 (No.MA425) 1.4 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. Do not stare into beam. procedures other than those specified here in may result in (Others) Visible and/or invisible class 1M laser radiation hazardous radiation exposure. when open. Do not view directly with optical instruments.

3.CAUTION : Visible and/or invisible laser radiation when open and inter lock failed or defeated. Avoid direct exposure to beam. ! Please use enough caution not to see the beam directly or touch it 4.CAUTION : This laser product uses visible and/or invisible laser radiation and is equipped with safety switches which in case of an adjustment or operation prevent emission of radiation when the drawer is open and the safety interlocks have failed or are defeated. It is check. dangerous to defeat the safety switches.

REPRODUCTION AND POSITION OF LABELS and PRINT WARNING LABEL and PRINT

(No.MA425)1-5 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS

This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS.

1-6 (No.MA425) SECTION 3 DISASSEMBLY

3.1 Main body (Used figure are KD-AV7100E) 3.1.1 Removing the Top chassis (See Fig.1 to 7) D (1) Remove the two screws A attaching the FPC cover. (See Fig.1) (2) Disconnect the FPC wire connected to connector CON11 and CON19 of the Main board. (See Fig.2) (3) Remove the two screws B attaching the Top chassis. (See Fig.3) (4) Remove the four screws C attaching the both side of the Top chassis. (See Fig.4) C (5) Remove the two screws D attaching the both side of the Front chassis. (See Fig.4) Fig.4 (6) Disengage two hooks a engaged both side of the Front chassis. (See Fig.5) (7) Disconnect the connector wire from Front chassis connected to connector CON2 of the USB board. (See Fig.6) (8) Tear off an FPC from a CD mechanism and then remove the Top chassis. (See Fig.7)

hook a

Fig.5 A FPC cover

Fig.1

CON2

CON11 Fig.6

CON19

FPC Fig.2

Fig.7

Fig.3

(No.MA425)1-7 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. (2) Remove the two screws G attaching the FAN. (See Fig.11) (3) Remove the two screws H attaching the FAN cover. (See Fig.11) (4) Remove the two screws J attaching the Heat sink with IC bracket. (See Fig.12) (5) Remove the two screws K attaching the Main board. (See E Fig.13) CON1 Signal cables

USB board

G Fig.8 HH FAN cover 3.1.3 Removing the CD mechanism (See Fig.9, 10) Fig.11 (1) Remove the four screws F attaching the CD mechanism. (See Fig.9) IC bracket inside (2) Disconnect the FPC from CD mechanism connected to connector CON16 of the Main board. (See Fig.10)

J Heat sink Fig.12 F F Main board

K Fig.9

CD mechanism FPC

Fig.13

CON16 Fig.10

1-8 (No.MA425) 3.1.5 Removing the Key board (See Fig.14) (1) Remove the Volume knob. FPC (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. Method 2: After remove the Top chassis, supply voltage approx CON1 3.0V to Motor (See Fig.15) (1) Remove the two screws M attaching the FPC cover. (See Fig.17 Fig.16) (2) Remove the two screws N and two screws P attaching the L panel cover. (See Fig.16) (3) Disconnect the FPC from drive unit connected to connector CON1 of the TFT board. (See Fig.17) (4) Remove the six screws Q attaching the both side of the Q Screen panel. (See Fig.18) Fig.18

approx 3.0V Motor Fig.15

FPC cover

M M

P P N N L panel cover Fig.16

(No.MA425)1-9 3.1.7 Removing the TFT board (See Fig.19) (1) Disconnect the FPC from LCD connected to connector CON2 and 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. (4) Disconnect the FPC from LCD lens connected to connector CON20 of the TFT board. (5) Remove the two screws R attaching the PCB bracket. (6) Remove the three screws S attaching the PCB bracket.

CON7404 PCB bracket CON2 R R

CON4

CON5 S CON20 S PCB bracket Fig.19

3.1.8 Removing the CCLF board (See Fig.20) (1) Disconnect the connector wire from LCD lens connected to connector CON102 of the CCLF board. (2) Remove the one screw T attaching the CCLF board.

LCD lens

T CCLF board CON102

Fig.20

1-10 (No.MA425) SECTION 4 ADJUSTMENT

4.1 ADJUSTMENT 4.1.3 Standard measuring conditions 4.1.1 Test instruments required for adjustment Power supply voltage DC14.4V(10.5 to 16V) (1) Digital oscilloscope (100MHz) Load impedance 20K ohm (2 Speakers connection) (2) Digital tester Output Level Line out 2.5V (Vol. MAX) (3) Test Disc 4.1.4 Dummy load (4) Extension cable : EXTAV70X-50PF Exclusive dummy load should be used for AM,and FM. For FM 4.1.2 Standard volume position dummy load,there is a loss of 6dB between SSG output and an- Balance and Bass &Treble volume : lndication"0" tenna input.The loss of 6dB need not be considered since direct Loudness : OFF reading of figures are applied in this working standard. 4.1.5 How to connect the extension cable for adjusting Be sure to attach the heat sink and rear bracket onto the power amplifier IC and regulator IC respectively, before supply the power. If voltage is applied without attaching these parts, the power amplifier IC and regulator IC will be destroyed by heat.

Extension cable EXTAV70X-50PF

(No.MA425)1-11 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 → [ 1 ] button → [ 2 ] button (4) Exchanging it operate a menu of a service mode with the [ ] button and [ ] button. (5) Change data with the [ ]/[ ] buttons. (6) Write data with a [INFO ] button of the main body. Indication Minimum value Maximum Reference Detail value register value 1 Data - - - - Only factory use 2 Version - - - - Only factory use 3 Sch - - - - Only factory use 4 Pcb - - - - Only factory use 5 KeyCode - - - - Only factory use 6 Counter - - - - Only factory use 7 Count MSB - - - - Only factory use 8 Count LSB - - - - Only factory use 9 FM LOC *1 00 FF 40 Adjust STOP sensitivity adjustment of FM LOC mode 10 AM LOC 00 FF A0 Adjust STOP sensitivity adjustment of AM LOC mode No use 11 FM DX *1 00 FF 40 Adjust STOP sensitivity adjustment of FM DX mode 12 AM DX *1 00 FF 50 Adjust STOP sensitivity adjustment of AM DX mode 17 CTRST 00 7F 60 Adjust Contrast control Power save 18 CLOR 80 FF A0 Adjust Color control Chroma trap filter for Y input 19 TINT 00 FF A0 Adjust Tint control (Base Band TINT) RGB input coupling mode 20 SHAP 00 FF 30 Adjust Comb filter for base-band color signal of NTSC CW out mode Sharpness control 21 BRT 00 FF 98 Adjust Brightness control 22 SUBC 00 FF 60 Adjust Auto Brightness Limiter start point Auto Brightness Limiter off Auto Brightness Limiter Gain Controls the Y amplitude 23 W/BLIM 00 FF FA Adjust White clipping voltage for RGB signal exceeding over white Limit voltage for RGB signal exceeding below black 24 GM1 10 FF A8 Adjust Correction peak point 25 GM2 10 FF 50 Adjust Boost gain correction peak point 26 SUBT-RB 00 FF A8 Adjust Sub brightness control for R output singal Sub brightness control for B output signal 27 DRVR 00 FF 1A Adjust Mute switch for RGB output signal Insert fixed level blue signal for RGB output Gain control for R video signal 28 DRVG 00 FF 18 Adjust Relative amplitude of R-Y color difference signal Relative phase of R-Y color difference signal Gain control for G video signal 29 DRVB 00 FF 18 Adjust Relative amplitude of G-Y color difference signal Relative phase of G-Y color difference signal Gain control for B video signal

1-12 (No.MA425) Indication Minimum value Maximum Reference Detail value register value 30 V-SW 00 FF AA Adjust Synchronization mode Polarity cobtrol for the WIDEBLK input signal Video switch 31 COMA 00 FF A3 Adjust Common Pulse Amplitude 32 COMDC 00 FF 26 Adjust Reference DC output 33 VFRE 00 FF 00 Fix Force Dotclk for T-Con stopping AFC2 Phase control Driving ability of pulse output stage 34 SINHI 00 FF 00 Fix SECAM Inhibit Low pass filter for Y input Dot clock PLL Polarity switch of video signal inverter Polarity switch of common pulse inverter 35 PDCK 00 FF A7 Fix Polarity control for Compare Pulse input signal Polarity control for VD output signal Polarity control for HD output signal Control the Divider for the Dot clock output signal DOTCLK adjustment 36 PADJ 10 FF 20 Fix VD phase phase DOTCLK adjustment 37 VPHASE 00 07 00 Adjust VD out Phase 37 HPHASE 00 1F 11 Adjust HD out Phase 38 GM2RGB 00 FF 00 Adjust Gamma2 Gain extension for R,G,B 39 T1 00 FF 00 Fix For IC testing at plant 40 T2 00 FF 00 Fix For IC testing at plant 41 SID_S 00 FF 02 Fix SECAM Gate pulse phase SECAM ID sensitivity SECAM ID mode Enhance the higher side of SECAM Bell filter PAL/NTSC ID sensitivity for digital comb filter Select chroma BPF frequency response ABCL SW 42 S_BLK 10 FF 88 Fix R-Y Black level adjust for SECAM B-Y Black level adjust for SECAM *1 Seek stop sensitivity SSG setting FM 97.9MHz or 98.1MHz LOC: 33dBuV (min.) 43dBuV (max.) 38dBuV (normal) 400Hz (sig.) 22.5kHz (Dev.) DX : 18dBuV (min.) 28dBuV (max.) 23dBuV (normal)

AM 999kHz or 1000kHz 24dBuV (min.) 34dBuV (max.) 29dBuV (noemal) 400Hz (Sig.) 30%

(No.MA425)1-13 SECTION 5 TROUBLESHOOTING

5.1 16 PIN CORD DIAGRAM (for JW,U,A)

9 GN/BK WH/BK 1 WH White YL Yellow 10 GN WH 2 BK Black GN Green 11 VI/BK GY/BK 3 GY Gray BL Blue 12 VI GY 4 VI Violet RD Red 13 BL VI/WH 5 OR Orange 14 BL/WH NC 6 15 RD OR/WH 7 16 BK YL 8

WH/BK 1 WH 2 GY/BK 3 GY 4 VI/WH 5 OR/WH 7

YL 8

GN/BK 9 GN 10 VI/BK 11 VI 12 WH/BK 13 BL/WH 14 RD 15 BK 16

1-14 (No.MA425) 5.2 16 PIN CORD DIAGRAM (for EU,EE,US)

9 GN/BK WH/BK 1 WH White OR Orange 10 GN WH 2 BK Black YL Yellow 11 VI/BK GY/BK 3 GY Gray GN Green 12 VI GY 4 VI Violet BL Blue 13 NC VI/WH 5 BR Brown RD Red 14 BL/WH BR 6 15 RD OR/WH 7 1 NC BR 2 16 BK YL 8 3 NC YL 4 5 BL/WH OR/WH 6 7 RD BK 8

BR 6

YL 8

BL/WH 14 OR/WH 7 RD 15 BK 16 VI 12 VI/BK 11 GY 4 GY/BK 3 WH 2 WH/BK 1 GN 10 GN/BK 9 1 VI VI/BK 2 3 GY GY/BK 4 VI/WH 5 5 WH WH/BK 6 7 GN GN/BK 8

(No.MA425)1-15 Victor Company of Japan, Limited Mobile Entertainment Division 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan

(No.MA425) Printed in Japan VPT