Zenith DVB352 Скачать руководство пользователя страница 58 | Manualshive

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EXPLODED VIEWS

1. Deck Mechanism Exploded View

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Содержание DVB352

Страница 1: ...Line D Product Year 2003 Summary 1 Cabinet Main Chassis 2 Electrical 3 Parts List 4 Published September 2003 by Technical Publications Zenith Electronics Corporation 201 James Record Road Huntsville A...

Страница 2: ......

Страница 3: ...UMMARY CONTENTS PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS 1 2 SERVICING PRECAUTIONS 1 3 General Servicing Precautions Insulation Checking Prodedure Electrostatically Sensitive Devices SPE...

Страница 4: ...s solder splashes or sharp solder points Be certain to remove all loose foreign par ticles 4 Check for physical evidence of damage or deterioration to parts and compo nents for frayed leads or damaged...

Страница 5: ...pan els Input terminals Earphone jacks etc Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called...

Страница 6: ...4 kHz DVD PCM 48 kHz 8 Hz to 22 kHz CD 8 Hz to 20 kHz Signal to noise ratio More than 100dB ANALOG OUT connectors only Harmonic distortion Less than 0 008 Dynamic range More than 100 dB DVD More than...

Страница 7: ...2 1 SECTION 2 CABINET MAIN CHASSIS CONTENTS 1 EXPLODED VIEWS 2 2 1 Cabinet and Main Frame Section 2 2 2 Packing Accessory Section 2 4...

Страница 8: ...2 EXPLODED VIEWS 1 Cabinet and Main Frame Section 465 465 250 462 462 300 DIG901 465 261 260 275 463 463 465 467 463 463 463 A00 A47 A46 A48 A43 A42 A49 283 280 452 452 320 261A 261A A 5 4 3 2 1 B C...

Страница 9: ...TAL DM6912N HA1UZZ 5 SLIM KEY2 ZEN PARTS SECTION 250 3111R D001D O CASE ASSEMBLY DM6912N HA1UZZ TOP 260 3140R 0056A O CHASSIS DVD DM6000 MAIN 261A 5040R 0069D O RUBBER FOOT SILICONE SPONGE DS 08 T 275...

Страница 10: ...EMBLY DVD DM7912NM HA1UZZ 802 3890R H819L O BOX DM7921PM HA1UZZ SWM3 A 1 472 4 803 3920R E063A O PACKING CASING DM6000S 0 02 120 EPS 4 615 128 804 292 053D O BAG LVP 1 NSP 806 6850R DDA82 O CABLE DIN...

Страница 11: ...0 TRACKING CONTROL RELATED SIGNAL System checking 3 19 11 RF WAVEFORM 3 20 12 MT1379 AUDIO OPTICAL AND COAXIAL OUTPUT ASPDIF 3 20 13 MT1379 VIDEO OUTPUT WAVEFORM 3 21 14 AUDIO OUTPUT FROM AUDIO DAC 3...

Страница 12: ...resent at emitter of Q107 Replace Q107 Is there a DC voltage At terminal of BD101 Is there a DC voltage at R101 Replace IC101 Check F101 1 Power check flow No VF Is 5 2VA section working Replace D109...

Страница 13: ...in 5 tray Recieve OPEN CLOSE Key Receive CLOSE Key 1 Stop Playback Open Tray 2 Display tray open message LOGO 1 Execute Pressed Key IR Key 2 Systemoperati on Routi ne Loop 1 Judge disc type in frse t...

Страница 14: ...Check FLASH R Wenable signal PRD RWR 4 Check RS232 SIGNALS 5 Check FLASH Memory related circui t Check the AC Vol tage Power PCBA 110V or 220V Switch on the Power PCBA Is the DC Vol tage outputs OK 5...

Страница 15: ...heck the Tray control IO pins on MT1376 MT1379 Check the Tray control amplifying circuit on Motor driver IC202 Does Tray move inside when it is not at closed position Normal TROUT TRIN signals Normal...

Страница 16: ...Lens has movements for searching Focus Proper F F outputs Check cable connect on with pick up head Proper FOSO outputs to motor driver Check FOSO connection on MT1379 and motor dirver Check the amp c...

Страница 17: ...ircuit on MT1336 RFL signal Collector voltage of power transistor is OK Q204 Q205 Check cable connection between transistor couput and pick up head Laser off Proper RFL signal on MT1336 Proper DMSO si...

Страница 18: ...signal on MT1336 Proper FEO signal on MT1336 Check the related circuit on MT1336 FEO sugnal Check the related circuit on MT1336 Properly TRSO signal on MT1379 T T output properly Check the TRSO conne...

Страница 19: ...Audio filter amplify mute circuit IC602 Application circuit Check the cable connection on Front pannel Check connection between MT1379 Audio DAC Check VRST ACLK ABCK ASDAT3 Check the related circuit...

Страница 20: ...DEBUGGING 1 SYSTEM 27MHz CLOCK RESET FLASH R W SIGNAL 1 MT1379 main clock is at 27MHz X501 3 8V 27MHz FIG 1 1 2 MT1379 MT1336 reset is high active PWR_CTL CN505 PIN 7 5 2VA Power Cord in M_RESET CN50...

Страница 21: ...3 11 3 RS232 waveform during procedure Downloading TXD J6 PIN3 RXD J6 PIN 2 FIG 1 3 4 Flash R W enable signal during download Downloading FRD IC5A1 PIN 28 FWR IC5A1 PIN 11 FIG 1 4...

Страница 22: ...DRAM CLOCK 1 MT1379 main clock is at 27MHz X501 IC502 IC503 PIN 35 DCLK 93MHz Vp p 2 2 Vmax 2 7V FIG 2 1 3 TRAY OPEN CLOSE SIGNAL 1 Tray open status waveform MODE1 OPEN MODE2 CLOSE MODE3 CHECK TROPEN...

Страница 23: ...3 13 2 Tray close status waveform MODE1 OPEN MODE2 CLOSE MODE3 CHECK TROPEN FIG 3 2 3 Tray exchage status waveform MODE1 OPEN MODE2 CLOSE MODE3 CHECK TROPEN FIG 3 3...

Страница 24: ...1 4V 1 0V IC501 PIN 19 STBY 5V IC201 PIN 50 SL 4 7V 3 6V 1 9V IC202 PIN 12 SL 5 3V 3 7V 2 5V IC202 PIN 13 FIG 4 1 5 LENS CONTROL RELATED SIGNAL NO DISC CONDITION FOSO 1 5V 1 4V 1 3V IC501 PIN 12 F 4...

Страница 25: ...TROL RELATED SIGNAL NO DISC CONDITION MDI1 0V 180mV IC201 PIN 124 LD01 5 0V 3 5V IC201 PIN 125 LD02 5 0V 3 6V IC201 PIN 126 FIG 6 1 7 DISC TYPE JUDGEMENT WAVEFORM F IC202 PIN 9 FE IC201 PIN 18 RFL IC2...

Страница 26: ...3 16 F IC202 PIN 9 FE IC201 PIN 18 RFL IC201 PIN 19 FIG 7 2 DVD F IC202 PIN 9 FE IC201 PIN 18 RFL IC201 PIN 19 FIG 7 3 CD...

Страница 27: ...3 17 F IC202 PIN 9 FE IC201 PIN 18 RFL IC201 PIN 19 FIG 7 4 CD 8 FOCUS ON WAVEFORM FE IC201 PIN 18 FOSO IC501 PIN12 F IC202 PIN 9 F IC202 PIN 8 FIG 8 1 DVD...

Страница 28: ...FE IC201 PIN 18 FOSO IC501 PIN12 F IC202 PIN 9 F IC202 PIN 8 FIG 8 2 CD 9 SPINDLE CONTROL WAVEFORM NO DISC CONDITION DMSO 1 4V 1 8V IC501 PIN 18 SP 3 6V 2 4V IC202 PIN 10 SP 3 6V 4 8V IC202 PIN 11 FIG...

Страница 29: ...19 10 TRACKING CONTROL RELATED SIGNAL System checking TE IC201 PIN 21 TRSO IC501 PIN 13 T IC202 PIN 7 T IC202 PIN 6 FIG 10 1 DVD TE IC201 PIN 21 TRSO IC501 PIN 13 T IC202 PIN 7 T IC202 PIN 6 FIG 10 2...

Страница 30: ...3 20 11 RF WAVEFORM RFOP 2 3V 1 1V IC201 PIN 6 RFON 0 8V 2 0V IC201 PIN 7 FIG 11 1 12 MT1379 AUDIO OPTICAL AND COAXIAL OUTPUT ASPDIF IC501 PIN 153 FIG 12 1...

Страница 31: ...3 21 13 MT1379 VIDEO OUTPUT WAVEFORM 1 Full colorbar signal CVBS IC604 PIN 23 DCLK 93MHz Vp p 2 2 Vmax 2 7V FIG 13 1 2 Y IC604 PIN 21 FIG 13 2...

Страница 32: ...3 22 3 C IC604 PIN 26 DCLK 93MHz Vp p 2 2 Vmax 2 7V FIG 13 3 14 AUDIO OUTPUT FROM AUDIO DAC 1 Audio L R FIG 14 1 JK601 PIN 4 5...

Страница 33: ...3 23 2 Audio related Signal ASDAT3 IC501 PIN 157 ABCK IC501 PIN 148 ALRCK IC501 PIN 149 ASDATA3 FIG 14 2...

Страница 34: ...01 MT1336E RF SLED FEEDING MOTOR SL SL IC202 LA6560 MOTOR DRIVER M V33 DV33 AV33 DV33 V25 VCC DV33 3V3M ACLK ABCLK ALRCK IC604 MM1623XFBE VIDEO BUFFER ASPDIF COAX OPTICAL ASPECT VCC RVCC AVCC AV33 V25...

Страница 35: ...29VA VF RECTIFIER LINE FILTER SWITCHING IC TRANS FEED B REG 8V 8V 5 2VA VF RECTIFIER FLD RECTIFIER 9V RECTIFIER 5 2V LPF LPF RECTIFIER 14V LPF 12V_A AC90 240V PWR ON OFF REG 3 3V 3 3V 3 3V_M 3 3V_M1 R...

Страница 36: ...SL SL TURN_M TURN_M TURN_M TURN_M LOAD LOAD 27MHz X TAL RFOP RFON LD0 1 LDO 2 IOA MDI 1 ALPC V20 SDEN SDATA SCLK PWMOUT2 LIMIT TRIN TROUT TRCLOSE STBY V1P4 IC302 GM72V161621 1M x 16bit SDRAM IC303 GM...

Страница 37: ...FRONT BOARD IC502 SDRAM 16M RFOP RFON HTRC RFRP RFL DCLK WE CAS RAS CS DCKE MA 0 10 DQM0 DQM1 DQ 0 15 DQM2 DQM3 DQ 16 31 X501 27MHz SCL SDA Y2 Y Y3 Color Y4 Y Y5 Cb Y6 Cr ASPECT 16 9 FEO CSO TEO ADIN...

Страница 38: ...IC302 OP Amp LPF Buffer IC303 OP Amp LPF Buffer IC304 OP Amp LPF Buffer CVBS COMPONENT R G B Y Pb Pr SUPER VIDEO Y C R G B Y Pb Pr Y C DAC RESET ACLK SCL SDA DAC RESET ACLK SCL SDA ADATA1 ADATA2 ADATA...

Страница 39: ......

Страница 40: ...THE LATEST SAFETY AND PERFORMANCE IMPROVEMENT CHANGES INTO THE SET IS NOT DELAYED UNTIL THE NEW SERVICE LITERATURE IS PRINTED NOTE 1 Shaded parts are critical for safety Replace only with specified pa...

Страница 41: ...splay System not working System not working or screen is abnormal System not working or Digitron not display System not operate SR5850A DM7912N Video signal Y Video signal Color AUDIO DAC interface VI...

Страница 42: ...3 33 3 34 3 RF SERVO CIRCUIT DIAGRAM CD DVD LD will not on SR5850B DM7912N...

Страница 43: ...3 35 3 36 4 TIMER CIRCUIT DIAGRAM Digital abnormal System not operate or Digitron abnormal or Key not operate System not operate Remocon not operate SR14171B DM7912N...

Страница 44: ...3 37 3 38 5 2CH 5 1CH CIRCUIT DIAGRAM 5 1CH Audio Bad 2CH Audio Bad 2CH Audio Bad SR5850D DM7912N...

Страница 45: ...3 39 3 40 6 AV JACK CIRCUIT DIAGRAM All Video signal isn t appear or bad SR5850C DM7912N Video Signal Y Video Signal Color Video Signal CVBS 2CH Audio 2 5V not working...

Страница 46: ...8 0 78 1 06 80 0 23 0 08 0 89 1 15 STOP PLAY STOP PLAY STOP PLAY STOP PLAY 0 08 0 16 3 28 3 29 5 52 5 49 5 09 5 08 1 82 0 45 3 28 3 28 5 52 5 48 2 43 2 42 2 84 0 0 1 65 5 51 5 47 5 09 5 08 2 83 3 12 1...

Страница 47: ...44 203 0 1 43 204 0 1 43 205 0 1 42 206 0 2 1 207 0 2 07 208 0 1 41 209 0 1 52 210 0 1 43 211 0 2 81 212 0 3 28 213 0 0 12 214 0 0 12 215 1 02 1 43 216 0 1 43 STOP PLAY STOP PLAY STOPPLAYSTOP PLAY IC...

Страница 48: ...3 45 3 46 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP SIDE LOCATION GUIDE...

Страница 49: ...3 47 3 48 2 MAIN P C BOARD BOTTOM SIDE LOCATION GUIDE...

Страница 50: ...3 49 3 50 3 KEY P C BOARD LOCATION GUIDE Solder Side Solder Side 4 TIMER P C BOARD LOCATION GUIDE...

Страница 51: ...3 51 3 52 5 POWER P C BOARD LOCATION GUIDE Solder Side...

Страница 52: ...y Up Down 4 3 3 1 PCB Assembly Junction 4 3 3 2 Base Assembly Sled Damper 4 3 3 2 1 Gear Assembly Feed 4 3 3 2 2 Gear Assembly Middle 4 3 3 2 3 Gear Assembly Rack 4 3 3 3 Rubber Damper 4 3 3 4 Frame U...

Страница 53: ...Main Gear Up Down Gear Wheel Main Gear Loading Motor Assembly Main Base Main 3 Screws 2 Connectors 1 Hook 2 Locking Tabs 1 Screw 2 Locking Tabs 2 Screws 1 Connector 2 Screws 1 Screw 2 Screws 5 Connect...

Страница 54: ...Magnet Clamp 1 3 Upper Clamp 1 4 Holder Clamp When reassembling hold and fix the Upper Clamp as above No 1 1 1 and then turn the Plate Clamp to the clockwise direction 2 Base Assembly Tray Fig 4 1 1 T...

Страница 55: ...E UP DOWN BASE MAIN FRAME UP DOWN GEAR UP DOWN 3 Frame Assembly Up Down Fig 4 3 1 Release Screw S5 3 1 PCB Assembly Junction 1 Unconnect the 5 Connectors C5 C6 2 Release 2 Screws S6 3 2 Base Assembly...

Страница 56: ...own Bottom Side 4 1 PCB Assembly Main Mode 1 Unconnect the Connectors C8 C9 2 Release three Screws S9 When reassembling align the Mode Switch position as Fig A Put the Base Assembly Main on original p...

Страница 57: ......

Страница 58: ...002 414 415 415 413 413 413 414 414 416 032 034 033 035 416 416 416 416 037 030 022 023 021 020 036 A01 A02 A04 038 416 005 005 024 039 039 434 040 040 434 008B 038A 022A 008A A00 014 014 430 014 014...

Страница 59: ......

Страница 60: ...CAP SKEW T DP7C 014B 4470R 0131A O GEAR PINION DP7C 014C 5006R 0043A O CAP SKEW DP7C 015 4470R 0130A O GEAR MIDDLE DP7C 015A 4471R 0013A O GEAR ASSEMBLY DECK MECHA RACK DP 7C 015B 4470R 0129A O GEAR...

Страница 61: ...MAIN 261A 5040R 0069D O RUBBER FOOT SILICONE SPONGE DS 08 T 275 4930R 0351A O HOLDER DVD DM6000 BRACKET 280 3721R F300L O PANEL ASSEMBLY FRONT NORMAL PA DM7912NM HA1UZZ NSP NSP 283 3581R T067G O DOOR...

Страница 62: ...M FM5 TP 5 C137 0CE3376D638 O CAPACITOR ELECTROLYTIC 330UF SMS 10V M FM5 TP5 C201 0CH1104K942 O CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C202 0CH1104K942 O CAPACITOR CHIP CERAMIC M L...

Страница 63: ...C282 0CH1104K942 O CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C283 0CH1104K942 O CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C291 0CE1074F638 O CAPACITOR ELECTROLYTIC 100U...

Страница 64: ...ERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C527 0CH1104K942 O CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C528 0CE4764F638 O CAPACITOR ELECTROLYTIC 47M SRA SS 16V M FM5 TP 5 C529 0CH1103K...

Страница 65: ...SS50V M FM5 TP 5 C632 0CE1054K638 O CAPACITOR ELECTROLYTIC 1 0M SRA SS50V M FM5 TP 5 C633 0CH1104K942 O CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C634 0CE2264F638 O CAPACITOR ELECTROLY...

Страница 66: ...IRE COPPER TIN COATED D 0 6 ROLL F105 874 000T O WIRE COPPER TIN COATED D 0 6 ROLL F501 6200JB8010V O FILTER CIRC EMC LFA20 2A1E473MT MITSUBISHI MAT F502 6200JB8010V O FILTER CIRC EMC LFA20 2A1E473MT...

Страница 67: ...202 0TRRH80042A O TRANSISTOR BIPOLARS 2SK3018 T106 ROHM KOREA R TP U Q203 0TRRH80042A O TRANSISTOR BIPOLARS 2SK3018 T106 ROHM KOREA R TP U Q204 0TR150409AC O TRANSISTOR KTA1504 GR T1 ASG CHIP KEC Q205...

Страница 68: ...RESISTOR METAL GLAZED CHIP 390K OHM 1 16 W 1608 5 00 D R216 0RH0101C622 O RESISTOR METAL GLAZED CHIP 1 OHM 1 16 W 1608 5 00 D R217 0RH0221C622 O RESISTOR METAL GLAZED CHIP 2 2 OHM 1 16 W 1608 5 00 D...

Страница 69: ...8K OHM 1 16 W 1608 5 00 D R423 0RH8201C622 O RESISTOR METAL GLAZED CHIP 8 2K OHM 1 16 W 1608 5 00 D R424 0RH3300C622 O RESISTOR METAL GLAZED CHIP 330 OHM 1 16 W 1608 5 00 D R425 0RH3300C622 O RESISTO...

Страница 70: ...HM 1 16 W 1608 5 00 D R625 0RH1002C622 O RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R626 0RH1001C622 O RESISTOR METAL GLAZED CHIP 1K OHM 1 16 W 1608 5 00 D R627 0RH1001C622 O RESISTOR METAL...

Страница 71: ...1001F608 O RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R944 0RD1002F608 O RESISTOR FIXED CARBON FILM 10K OHM 1 6 W 5 TA26 R991 0RD1001F608 O RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 RC901 671...

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