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SERVICE MANUAL

MODEL

DVM-1805

DVD VIDEO AUTO CHANGER

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

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

Telephone: 03 (3837) 5321

For U.S.A & Canada model

X0158 NC 0209

www. xiaoyu163. com

QQ 376315150

TEL 13942296513

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

Содержание DVM-1805 - DVD Changer

Страница 1: ...16 11 YUSHIMA 3 CHOME BUNKYOU KU TOKYO 113 0034 JAPAN Telephone 03 3837 5321 For U S A Canada model X0158 NC 0209 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5...

Страница 2: ...RENEWAL MODE 34 LEAD IDENTIFICATIONS 36 EXPLODED VIEWS 47 PARTS LIST 50 Manufactured under license from Dolby Laboratories Dolby and the double D symbol are trademarks of Dolby Laboratories DTS and DT...

Страница 3: ...Vpp 1 0 2 Optical Digital Out dBm 18 3 Audio PCM 3 1 Output Level 1kHz 0dB Vrms 2 0 3 2 S N dB 110 3 3 Freq Response DVD fs 48kHz 20 22kHz dB 2 CD fs 44 1kHz 20 20 kHz dB 2 3 4 THD N 1 kHz 0dB 0 005...

Страница 4: ...hen the diode is turned on Do not look directly at the laser beam Caution Use of controls and adjustments or doing procedures other than those specified herein may result in hazardous radiation exposu...

Страница 5: ...ials for hazardous live parts Note especially 1 Insulation tape 2 PVC tubing 3 Spacers 4 Insulators for transistors E When replacing AC primary side components transformers power cord etc wrap ends of...

Страница 6: ...between B earth ground power cord plug prongs and externally exposed accessible parts RF termi nals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc is...

Страница 7: ...when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 1 Release the flat pack IC from the CBA using twee zers...

Страница 8: ...shown in Fig S 1 5 3 While heating the pins using a fine tip soldering iron or hot air blower pull up the wire as the solder melts so as to lift the IC leads from the CBA contact pads as shown in Fig...

Страница 9: ...y Be sure to wear a grounding band 1M that is prop erly grounded to remove any static electricity that may be charged on the body 2 Ground for Workbench 4 Be sure to place a conductive sheet or copper...

Страница 10: ...A 23 DVD Main CBA Unit 19 Changer CBA 24 Rear Panel 12 Loading Pulley 7 Relay CBA 6 Front CBA 8 Sensor CBA 13 Slide Tray Gear B 14 Slide Tray Gear A 15 Motor Assembly 16 Switch CBA 17 Tray Guide R 9 P...

Страница 11: ...e with sol der before removing the FFC cable CN101 from it If you disconnect the FFC cable CN101 the laser diode of pickup will be destroyed Fig D5 CAUTION 3 When reassembling confirm the FFC cable CN...

Страница 12: ...y CBA 8 Sensor CBA S 5 CN5101 CN5002 CN5005 S 4 Fig D6 S 8 S 8 S 7 S 6 S 7 11 TrayGuide R Unit 9 Power SW CBA 10 TrayGuide L CN3004 CN3006 CN2103 Fig D7 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8...

Страница 13: ...er CBA 18 Power Supply CBA CN1602 Fig D9 20 PRO PCB A Shield 21 Progressive CBA Unit 22 Shield Assembly 23 DVD Main CBA Unit S 15 S 15 S 16 S 16 CN1801 Fig D10 S 17 24 Rear Panel Fig D11 www xiaoyu163...

Страница 14: ...1006 IC1002 D1036 D1046 Check the presence that the primary component is leaking or short then service it if defective See FLOW CHART No 3 The fuse blows out Check if there is any leak or shor circuit...

Страница 15: ...1042 and their periphery FLOW CHART NO 7 The key operation is not functioning Are the contact point and the installation state of the key switches SW2201 2206 2208 2212 2214 2215 normal Is the control...

Страница 16: ...1006 D1036 etc Replace Q1002 Check D1009 C1012 and the periphery circuit Check each component and replace Yes Yes No No No Check EV 5V line No No FLOW CHART NO 10 PON 5V is not outputted PON 12V is ou...

Страница 17: ...c tray cannot be opened and closed Is the H pulse inputted into pin 4 of IC1002 Replace IC1002 Is 5V voltage supplied between Pin 1 and Pin 2 of CN3003 No improvement can be found Replace the Loading...

Страница 18: ...DVD Mecha No Yes Replace the DVD Main CBA Unit Replace the DVD Mecha No Yes No improvement can be found The malfunction of the original DVD Main CBA Unit No improvement can be found The malfunction of...

Страница 19: ...video signals shown above inputted into each pin of IC1402 Are the video signals outputted to each pin of IC1402 Are the video signals outputted to the specific output terminal Are the composite vide...

Страница 20: ...each pins of CN1602 on the Changer CBA Is FFC cable W1602 connecting CN1602 on the Changer CBA and Progressive CBA Unit normally Yes Yes No No No Yes Is FFC cable W1801 connecting CN1801 on the Progre...

Страница 21: ...201 Check the periphery of Pins 1 7 of IC1201 and JK1201 Check each line between each pin of CN1601 and each pin of IC1201 on the Changer CBA CN1601 13PIN IC1201 2PIN AUDIO L CN1601 15PIN IC1201 6PIN...

Страница 22: ...AS STANDBY ADDRESS BUS DATA BUS CD DVD CFE CAS STANDBY 71 62 63 70 SCK 72 STDIO SEN SCK STDIO 13 14 16 3 4 IC606 INVERTER 200 RESET 124 201 187 188 208 186 2 4 IC607 INVERTER FERS CLK27MHz TO VIDEO BL...

Страница 23: ...TRAY OUT DRIVE DRIVE AMP Q3003 Q3002 3 3V Q3001 3 3V 55 ROT 56 ROT 57 CHK ON 58 CHK OFF 67 D SENS 69 RGAIN 78 RT SENS 80 FG IN IC102 OP AMP 14 12 IC301 FRONT END PROCESSOR DVD MAIN CBA UNIT CHANGER C...

Страница 24: ...PROCESS BLOCK DIAGRAM SCK CD DVD TESTSG ARF NARF STDIO SEN 11 STANDBY TRAY IN 3 TRAY OUT 4 DAC1 DAC0 TRSDRV 119 DATA VIDEO AUDIO SIGNAL FOCUS SERVO SIGNAL TRACKING SERVO SIGNAL SLIDE SERVO SIGNAL DISK...

Страница 25: ...AIN CBA UNIT FROM TO DVD SYSTEM CONTROL BLOCK DIAGRAM CPUDT0 NINT1 ADDRESS BUS DATA BUS NINT2 NINT1 NINT2 WAIT RE WEL CS1 RESET WAIT RE WEL CS1 RESET CPUDT7 30 22 17 9 44 37 CPUADR0 CPUADR17 2 5 6 36...

Страница 26: ...2dB AMP LPF DRIVER Y C CD FIFO SDRAM BLOCK MOVE DENC SPDIF PCM LRCLK PCM SCLK PCM DATA0 PCM BCK FROM DVD SIGNAL PROCESS BLOCK DIAGRAM TO AUDIO BLOCK DIAGRAM DVD MAIN CBA UNIT 48 2 33 97 102 84 93 4dB...

Страница 27: ...GATE RAM 5V SW1801 MUTE ADDR10 2 12 39 49 DATA0 DATA15 IC1809 20 24 27 32 ADDR0 ADDR10 2 12 39 49 DATA16 DATA31 DRIVE CN1802 IC1802 34 36 6dB DR 10 6dB DR 15 6dB DR 4 2 2 TO 4 4 4 4 2 2 TO 4 4 4 DATA...

Страница 28: ...ULATOR DAC LPF AMP L CH R CH LPF AMP DAC ZERO DETECT SYSTEM CLOCK 1 2 6 7 5 AUDIO R OUT PCM BCK SPDIF PCM DATA0 PCM LRCLK ADAC MD ADAC MC ADAC ML PCM SCLK CHANGER CBA DVD MAIN CBA UNIT AUDIO SIGNAL DA...

Страница 29: ...HOT POWER SUPPLY CBA REPLACE FUSE AS MARKED Ce symbole repr sente un fusible fusion rapide CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE ONLY WITH THE SAME TYPE FUSE ATTENTION POUR UNE...

Страница 30: ...rts list in this manual carefully The use of substitute replacement parts that do not have the same safety characteristics as speci fied in the parts list may create shock fire or other hazards Capaci...

Страница 31: ...eir part numbers in the parts list section of the service manual 4 Wire Connectors 1 Prefix symbol CN means connector can disconnect and reconnect 2 Prefix symbol CL means wire solder holes of the PCB...

Страница 32: ...UDIO R Pin 15 of CN1601 1V 0 5msec WF2 Pin 7 of CN1601 VIDEO Y 0 2V 20usec VIDEO CVBS 0 5V 20usec VIDEO C 0 2V 20usec WAVEFORMS w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T...

Страница 33: ...DIGITAL AUDIO OUT S VIDEO OUT EV 2 5V 3 3 FL 1 1 F2 2 2 F1 3 3 EV 9V 4 4 EV 9V 5 5 EV 5V 6 6 EV 3 3V 7 7 EV 2 5V 8 8 EV 2 5V 9 9 GND 10 10 GND 11 11 CN401 CN3001 LM 1 1 LM 2 2 TRAY IN 3 3 TRAY OUT 4 4...

Страница 34: ...screen and the checksum in 3 of Fig e appears on the VFD Fig f At this time no buttons are available 6 For tray opening plug the AC cord into the AC out let 7 Turn the power on by pressing the power...

Страница 35: ...e following indication appears when the buttons on the remote control are pressed in the following order Buttons 1 2 3 4 DISPLAY 7 6 7 3 6 3 3 0 3 7 7 7 3 7 5 5 45 7 5 5 45 3 1 5 1 5 45 130 0 3 3 5 5...

Страница 36: ...0M AT BA1L3Z T BN1L3Z P 2SA1015 Y TPE2 KTA1266 Y DTC114ESA TP A K C E LTV 817B F LTV 817C F R A K KIA431 AT 1 4 PQ018EF01SZ 0C 0805T 002 GP1FA512TZV G D S 2SK3374 1 2 3 E C B 2SA1359 Y PT204 6B 12 E C...

Страница 37: ...y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 89249829...

Страница 38: ...y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 8924982...

Страница 39: ...y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 8924982...

Страница 40: ...y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 8924982...

Страница 41: ...y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 8924982...

Страница 42: ...FUSE AS MARKED Ce symbole repr sente un fusible fusion rapide CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE ONLY WITH THE SAME TYPE FUSE ATTENTION POUR UNE PROTECTION CONTINUE LES RISQE...

Страница 43: ...y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 89249829...

Страница 44: ...y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 89249829...

Страница 45: ...MATRIX CHART TRK TTL DVD VIDEO CD PBC CHP A B 7G 5G 3G 1G 4G 6G 2G a d g c b e f 1 3 2 4 5 DVD VCD PBC STANDBY A B REPEAT TRK CHP TITLE Changer 3 3 Schematic Diagram w w w x i a o y u 1 6 3 c o m Q Q...

Страница 46: ...1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 h...

Страница 47: ...051 1L016 1B12 1B4 1B11 2L051 2L011 2L103 2L011 W1801 W1802 W3006 W3003 W3004 2B7 W3005 1B32 1B31 2L032 2L051 2L051 JK1201 JK1401 JK1403 IC1204 1B1 AC1001 1L023 1B33 1L017 W2101 W3001 A17 2L033 2L033...

Страница 48: ...3 W5002 L0 4 B0 9 B0 1 PA 2 B0 4 B0 6 B0 7 B0 3 B0 2 B0 5 B1 28 M3003 M3002 B1 28 B1 28 B0 8 L0 1 L0 3 L0 2 W5003 W5004 W5005 PI3001 L0 8 MCH 3 FG B0 13 L0 6 L0 5 B0 14 B0 12 B0 11 B0 10 See Electrica...

Страница 49: ...A30 A30 S3 S3 X1 Packing www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 89...

Страница 50: ...1 2B2 TRAY GUIDE R 0VM000137 9H2 6000 335 1 2B3 BRACKET TOP 0VM203160 9H2 6000 336 1 2B6 STOPPER BRACKET 0VM411941 9H2 6000 337 2 2B9 TAPE HIMELON 13X55 0VM413973 9H2 6000 282 1 2B10 NON WOVEN FABRICS...

Страница 51: ...VM305665 1 X22 SERVICE CENTER SHEET 0VM413951A 1 X26 POST CARD 0VM413954 1 DVD MAIN CBA UNIT N7TD8FUP 9H2 6000 310 1 PROGRESSIVE CBA UNIT 0VSA13104 9H2 6000 311 1 CHG MAIN PCB ASSEMBLY 0VSA13101 9H2 6...

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