background image

SERVICE MANUAL

MODEL

DVM-2815

DVD AUDIO-VIDEO AUTO CHANGER

For U.S.A. & Canada model

16-11, YUSHIMA 3-CHOME, BUNKYO-KU, TOKYO 113-0034 JAPAN

X0186V.02 DE/CDM 0308

注 意

サービスをおこなう前に、このサービスマニュアルを
必ずお読みください。本機は、火災、感電、けがなど
に対する安全性を確保するために、さまざまな配慮を
おこなっており、また法的には「電気用品安全法」に
もとづき、所定の許可を得て製造されております。
従ってサービスをおこなう際は、これらの安全性が維
持されるよう、このサービスマニュアルに記載されて
いる注意事項を必ずお守りください。

● 本機の仕様は性能改良のため、予告なく変更すること

があります。

● 補修用性能部品の保有期間は、製造打切後 8年です。

Some illustrations using in this service manual are
slightly different from the actual set.

Please use this service manual with referring to
the operating instructions without fail.

For purposes of improvement, specifications and
design are subject to change without notice.

修理の際は、必ず取扱説明書を参照の上、作業を行って

,

ください。

● 本文中に使用しているイラストは、説明の都合上現物

と多少異なる場合があります。

Ver. 2

Содержание DVM-2815

Страница 1: ...O 113 0034 JAPAN X0186V 02 DE CDM 0308 8 Some illustrations using in this service manual are slightly different from the actual set Please use this service manual with referring to the operating instr...

Страница 2: ...INET DISASSEMBLY INSTRUCTIONS 10 TROUBLESHOOTING 14 BLOCK DIAGRAMS 23 SCHEMATIC DIAGRAMS CBA S AND TEST POINTS 29 WAVEFORMS 43 WIRING DIAGRAMS 44 FIRMWARE RENEWAL MODE 45 LEAD IDENTIFICATIONS 46 EXPLO...

Страница 3: ...3 Load imp 100 K ohm 4 Room ambient 5 C 40 C ITEM CONDITIONS UNIT NOMINAL LIMIT 1 Video Output 75 ohm load Vpp 1 0 0 1 2 Optical Digital Out dBm 18 3 Audio PCM 3 1 Output Level 1kHz 0dB Vrms 2 0 3 2...

Страница 4: ...n shown in the figure When checking the laser diode be sure to keep your eyes at least 30cm away from the pickup lens when the diode is turned on Do not look directly at the laser beam Caution Use of...

Страница 5: ...pecially 1 Wires covered with PVC tubing 2 Double insulated wires 3 High voltage leads D Use specified insulating materials for hazardous live parts Note especially 1 Insulation tape 2 PVC tubing 3 Sp...

Страница 6: ...erence only Be sure to confirm the precise values 2 Leakage Current Test Confirm the specified or lower leakage current between B earth ground power cord plug prongs and externally exposed accessible...

Страница 7: ...the flat pack IC with tweezers while apply ing the hot air 3 Bottom of the flat pack IC is fixed with glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the fla...

Страница 8: ...pins of the flat pack IC you can remove it easily Fig S 1 3 2 Affix the wire to a workbench or solid mounting point as shown in Fig S 1 5 3 While heating the pins using a fine tip soldering iron or ho...

Страница 9: ...ur due to a potential difference caused by electro static charge during unpacking or repair work 1 Ground for Human Body Be sure to wear a grounding band 1M that is prop erly grounded to remove any st...

Страница 10: ...ar B 15 Slide Tray Gear A 16 Motor Assembly 17 Switch CBA 18 Tray Guide R 7 Power SW CBA 21 Shield Plate 22 Progressive CBA Unit 10 Rear Panel 11 Tray Guide L 5 Drive Mecha Assembly D4 D5 CN201 CN3001...

Страница 11: ...al difference caused by electrostatic charge accumulated on cloth human body etc during unpacking or repair work To avoid damage of pickup follow next procedures 2 1 Short the three short lands of FPC...

Страница 12: ...the three short lands by soldering View for C Slide View for A OR Short the three short lands by soldering Drive Mecha Assembly A Fig D5 8 Relay CBA 9 Sensor CBA S 6 CN5002 CN5005 S 5 CN5003 Fig D6 S...

Страница 13: ...r Assembly 17 Switch CBA S 13 L 4 15 Slide Tray Gear A 18 Tray Guide R P 1 S 12 Fig D9 CN3102 CN3301 20 AV CBA 19 Changer CBA S 15 S 15 S 15 FFC Clamper S 14 S 14 CN1601 CN1603 CN1001 CN1602 Fig D10 S...

Страница 14: ...node of D1003 Check D1003 and periphery circuit and service it if defective Check if there is any leak or short circuit on the loaded circuit and service it if defective Yes No FLOW CHART NO 1 The pow...

Страница 15: ...rning the power on Replace Q1002 Check D1030 C1035 C1048 L1009 and the periphery circuit and service it if defective Check Q1016 and service it if defective Yes Yes No No FLOW CHART NO 10 EV 1 5V is n...

Страница 16: ...play tube And the negative voltage applied between these pins and GND Replace the fluorescent display tube Check the P ON 3 3V line and service it if defective Check the FL 28V line and service it if...

Страница 17: ...e disc tray cannot be opened and closed Replace the OPEN CLOSE button SW2209 No FLOW CHART NO 14 No operation is possible from the remote control unit Operation is possible from the DVD but no operati...

Страница 18: ...poor FLOW CHART NO 21 Picture does not appear normally Set the disc on the disc tray and playback Are the video signals outputted to each pin as shown below of CN1601 and CN1602 on the AV CBA Replace...

Страница 19: ...b IC6102 14PIN Pr Cr IC1402 6PIN S Y IC1402 9PIN Pb Cb IC1402 11PIN Pr Cr Are the video signals shown above inputted into pin 2 of IC1402 IC1402 21PIN CVBS IC1402 18PIN S Y IC1402 23PIN S C IC1402 15P...

Страница 20: ...ce the DVD Main CBA or DVD Mecha Replace the DVD Main CBA or DVD Mecha Replace IC1201 Check the periphery between Pins 1 7 of IC1201 and JK1201 and service it if defective Check each line between each...

Страница 21: ...1 of IC3001 Is the normal control voltage outputted to pins 2 4 of IC3003 Check the switches SW2206 2208 2210 2212 and their periphery and service it if defective Replace IC3001 Replace Rotary Motor...

Страница 22: ...ctive IC7201 7 8PIN IC7301 2 6PIN FRONT L R IC7202 7 8PIN IC7401 2 6PIN SORROUND L R IC7203 7 8PIN IC7501 2 6PIN CENTER SUBWOOFER Are the PCM data signals inputted to each pin of IC7201 IC7202 and IC7...

Страница 23: ...2203 CN2103 1 KEY 1 1 2 GND 2 3 STANDBY LED 3 5 KEY 4 5 KEY 1 KEY 2 KEY 3 KEY 4 KEY 5 6 KEY 5 6 2 4 SW2201 3 4 8 9 1 CN3001 CN3301 12 9 13 14 10 12 9 13 14 10 7 12 11 10 6 22 38 39 40 41 42 DVD AUDIO...

Страница 24: ...ORY I F SDRAM ECC UMAC 124 125 122 123 128 129 126 127 131 130 135 133 132 134 78 DEBUG BCU INST CACHE D TYPE LATCH DATA CACHE D A D A D A TO VIDEO AUDIO BLOCK DIAGRAM 158 164 Y C Cr Cb VIDEO Y VIDEO...

Страница 25: ...DIF A MUTE 3 3V Q1204 WF6 3 WF4 WF5 CN601 7 7 VIDEO C 5 5 VIDEO Y 3 3 VIDEO Cb 1 1 VIDEO Cr VIDEO C VIDEO Y VIDEO Cb VIDEO Cr JK1401 S VIDEO OUT CN1601 3 4 2 1 Y C COMPOSITE VIDEO OUT VIDEO Pb Cb OUT...

Страница 26: ...DDR0 ADDR10 139 176 DATA0 DATA29 IC1808 20 24 27 32 ADDR0 SD RAM SD RAM ADDR10 2 12 39 49 DATA0 DATA15 IC1809 20 24 27 32 ADDR0 ADDR10 2 12 39 46 DATA16 DATA29 CN1802 36 4 2 2 TO 4 4 4 4 2 2 TO 4 4 4...

Страница 27: ...AL PORT SERIAL CONTROL 4X 8X OVERSAMPLING DIGITAL FILTER FUNCTION CONTROLLER ENHANCED MULTI LEVEL DELTA SIGMA MODULATOR DAC LPF AMP LPF AMP DAC ZERO DETECT SYSTEM CLOCK 7 8 11 12 1 2 3 13 14 15 16 SER...

Страница 28: ...ON CONTINUE LES RISQES D INCELE N UTILISER QUE DES FUSIBLE DE MEMO TYPE RISK OF FIRE This symbol means fast operating fuse A V F A V F CN1001 CN1102 1 5V REG IC1002 HOT CIRCUIT BE CAREFUL 1 EV 1 5V P...

Страница 29: ...k in the schematic diagram and the parts list Before replacing any of these components read the parts list in this manual carefully The use of substitute replacement parts that do not have the same sa...

Страница 30: ...iability of repaired units use only original replacement parts which are listed with their part numbers in the parts list section of the service manual 4 Wire Connectors 1 Prefix symbol CN means conne...

Страница 31: ...31 31 DVM 2815 DVD Main 1 3 Schematic Diagram...

Страница 32: ...32 32 DVM 2815 DVD Main 2 3 Schematic Diagram...

Страница 33: ...7 3 4 3 4 119 0 0 151 0 0 24 0 0 56 3 3 3 3 88 0 1 0 1 120 1 9 1 9 152 1 7 1 7 25 0 4 0 4 57 0 0 89 3 4 3 4 121 1 9 1 9 153 3 3 3 3 26 0 9 0 6 58 0 0 90 122 2 4 2 4 154 1 4 1 4 27 59 3 3 3 3 91 3 3 3...

Страница 34: ...34 34 DVM 2815 DVD Main 3 3 Schematic Diagram...

Страница 35: ...UTILISER QUE DES FUSIBLE DE M ME TYPE RISK OF FIRE REPLACE FUSE AS MARKED This symbol means fast operating fuse Ce symbole repr sente un fusible fusion rapide CAUTION Fixed voltage or Auto voltage sel...

Страница 36: ...36 36 DVM 2815 AV 2 2 Schematic Diagram...

Страница 37: ...37 37 DVM 2815 Changer 1 2 Function Power Switch Switch Schematic Diagram...

Страница 38: ...6G 2G a d g c b e f 1 3 2 4 5 DVD VCD PBC STANDBY A B REPEAT TRK CHP TITLE 7G 6G 5G 4G 3G 2G 1G a b c d e f g c d e f g c d e f g c d e f g c d e f g c d e f g h i a b a b a b a b a b FL2001 MATRIX CH...

Страница 39: ...39 39 DVM 2815 Relay Schematic Diagram...

Страница 40: ...40 40 DVM 2815 Progressive 1 2 Schematic Diagram...

Страница 41: ...41 41 DVM 2815 Progressive 2 2 Schematic Diagram...

Страница 42: ...42 42 DVM 2815 DVD Audio Schematic Diagram...

Страница 43: ...MODE WF1 WF3 WAVEFORMS WF6 SPDIF Pin 16 of CN1601 1V 0 1 sec WF1 Pin 5 of CN1601 WF3 Pin 21 of IC1402 WF4 AUDIO L Pin 11 of CN1601 1V 0 5msec WF5 AUDIO R Pin 13 of CN1601 1V 0 5msec WF2 Pin 7 of CN160...

Страница 44: ...5 GND 6 CHK ON 7 CHK OFF 8 RM1 9 RM2 OPTICAL AUDIO OUT PICK UP UNIT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 GND VREF P ON 5V F E C B D A PD MONI DVD LD GND LD GND DVD PD TS FS FS TS GND CD...

Страница 45: ...t Then plug it again 7 Turn the power on by pressing the power button and the tray will close 8 Press 1 2 3 4 and DISPLAY buttons on the remote control unit in that order Fig g appears on the screen 9...

Страница 46: ...E2 MM74HC4053MTCX PCM1751DBQR 1 S D G Note A Anode K Cathode E Emitter C Collector B Base R Reference 1 VCC 2 GND 3 OUT KTC3198 Y KTC3205 Y 2SA966 Y E C B 2SC2785 H KTC3199 GR KRA110M KRC110M AT BA1L...

Страница 47: ...1 1L016 1B12 1B4 1B11 D 3 2L051 2L011 2L103 2L011 W3006 A G G A B B C C D H H E E F F D 1B32 1B31 2L032 2L051 JK3501 JK1403 JK1202 1B1 1L023 1B33 1L017 W2101 W3001 2L033 2L033 2L033 2L033 2L033 2L012...

Страница 48: ...1 11 L1 11 L1 11 L1 11 L1 15 L1 11 L1 23 L1 7 L1 10 Mecha Holder Assembly L1 6 B1 26 L1 6 B1 42 B1 41 B1 3 W5002 W5001 B0 7 L0 2 B0 2 B0 3 PA 1 B0 5 B0 8 B0 9 B0 10 M3002 B0 4 B0 1 B0 6 L0 3 M3001 SW3...

Страница 49: ...49 49 DVM 2815 X10 X22 X5 X2 X4 S2 S10 S2 S1 A22 A30 A30 S3 S5 S3 X1 S4 Unit X21 Packing...

Страница 50: ...VM203160 9H26000336 1 2B6 STOPPER BRACKET 0VM411941 9H26000337 2 2B9 WIRE TAPE 0VM404993 3 2B10 NON WOVEN FABRICS 35 20 0VM414360 1 2B11 HOLDER PCB 0VM204153 9H26000416 1 2B12 SHIELD PLATE 0VM204262 9...

Страница 51: ...449 1 X1 REMOTE CONTROL UNIT NA804UD 9H26000444 1 X2 DRY BATTERY R6P 2S XB0M451T0001 2 X2 or DRY BATTERY ES GR6M C XB0M571GLP01 X4 I B BAG 0DM400757 9H26000319 1 X5 AV CORD TSCKA Y RW100 WPZ0102TM015...

Отзывы: