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5-1

SECTION 5 REPLACEMENT PARTS LIST

MODEL : DV7832NXS(DVB318)AA1UZZ(ZENITH)

NSP : Not avallable as service parts.

RUN DATE : 14-OCT-03

S AL LOCA. NO. PART NO.

DESCRIPTION

SPECIFICATION

REMARKS

*** INDIVIDUAL PARTS ***

250

3110R-D004C

CASE

DV7000 PRESS J597 ZENITH

300

6410RAHS02E

POWER CORD

AP-10W,SPT-2/18AWG SANGNONG UL

463

353-051G

SCREW,DRAWING

+ 2 D3.0 L8.0 MSWR3/FN TB ROUN

465

353-046K

SCREW

SPECIAL (3X10 B.K)

*** PACKING ACCESSORY ***

801

3835RS0062J

INSTRUCTION ASSEMBLY

DVD DV7832NXS HA1UZZ

802

3890R-H544L

BOX

DV7832NXS AA1UZZ SWM3-A 1.024

803

3920R-E071A

PACKING,CASING

DVD 7800_S 0.02 100 EPS 10 123

804

292-053A

BAG

SOFT(VCP)

NSP

808

534-008C

BATTERY,MANGANESE

AAAM(R03) SEOTONG 1-5 V - 1PA

806

6850R-DDA82

CABLE,DIN

MDC-18-MMBS1-0 S-VHS SM TECH 1

810

6851R-0082A

CABLE ASSEMBLY

1WAY YELLOW 1.8M + 2WAY R/W 1.

811

6611R1D003A

PLUG ASSEMBLY

1WAY RC1-18RRBS1-0 FREE OF CD

812

6611R2D003A

PLUG ASSEMBLY

2WAY RC2-18RRBS1-0 FREE OF CD_

814

6850R-ZAC03

CABLE,COAXIAL

88766-2800 DVI CABLE MOLEX 300

815

6850R-PCA8F

CABLE,COAXIAL

3WAY RCA COMPONENT RED/BLUE/GR

*** REMOTE CONTROLLER ***

900

6711R2N071A

REMOTE CONTROLLER ASSEMBLY

J5 NOR DV5936N HA1UZZ ZENITH

*** PANEL ASSEMBLY , FRONT,KEY ***

A43

3501R-3014M

BOARD ASSEMBLY

DVD DV7832NXS AA1UZZ

283

3581R-T069C

DOOR ASSEMBLY

DVD DV7832NXS HA1UZZ

280

3721RDF374H

PANEL ASSEMBLY,FRONT[C/SKD]

3721R-F374H DV7832NXS AA1UZZ C

NSP

452

353-051A

SCREW

SPECIAL

A50

6871R-5966H

PWB(PCB) ASSEMBLY,TOTAL

DV7832NXS ST DELUXE TIMER PT 1

C902

0CE1064F638

CAPACITOR,ELECTROLYTIC

10M SRA 16V M FM5 TP(5)

C906

0CH1104K942

CAPACITOR,CHIP[CERAMIC M/L HD

0.1UF 50V Z Y5V(F) 1508 R/TP

C907

0CH1104K942

CAPACITOR,CHIP[CERAMIC M/L HD

0.1UF 50V Z Y5V(F) 1508 R/TP

C908

0CE2274C638

CAPACITOR,ELECTROLYTIC

220M SRA 6.3V M FM5 TP(5)

C909

0CH1104K942

CAPACITOR,CHIP[CERAMIC M/L HD

0.1UF 50V Z Y5V(F) 1508 R/TP

C910

0CH1104K942

CAPACITOR,CHIP[CERAMIC M/L HD

0.1UF 50V Z Y5V(F) 1508 R/TP

C911

0CH1104K942

CAPACITOR,CHIP[CERAMIC M/L HD

0.1UF 50V Z Y5V(F) 1508 R/TP

C912

0CE4764F638

CAPACITOR,ELECTROLYTIC

47M SRA/SS 16V M FM5 TP(5)

C913

0CH1104K942

CAPACITOR,CHIP[CERAMIC M/L HD

0.1UF 50V Z Y5V(F) 1508 R/TP

C9A1

0CH1104K942

CAPACITOR,CHIP[CERAMIC M/L HD

0.1UF 50V Z Y5V(F) 1508 R/TP

DIG901

6302R-V205A

DIGITRON

HNV-06SC03T SS SDI SEG VFD DVD

IC901

0IMCRHY070B

IC,MICRO CONTROLLER

HMS81C2012A-HK006 HYNIX 64PIN

IC902

0IKE704200B

IC,KEC

KIA7042P 3P 4.2V RESET(TAPING)

L901

6200HJC102A

FILTER(CIRC),EMC

HB-1M2012-102JT CERATECH TP

NOTES) Warning

NOTES)

Parts that are shaded are critical

NOTES)

With respect to risk of fire or

NOTES)

electricial shock.

Содержание DVB318

Страница 1: ...Product Year 2003 Summary 1 Cabinet Main Chassis 2 Electrical 3 Mechaunism 4 Parts List 5 Published September 2003 by Technical Publications Zenith Electronics Corporation 201 James Record Road Huntsv...

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: ...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 i...

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: ...distortion Less than 0 008 Dynamic range More than 90 dB DVD CD OUTPUTS VIDEO OUT 1 0 V p p 75 negative sync RCA jack x 1 S VIDEO OUT Y 1 0 V p p 75 negative sync Mini DIN 4 pin x 1 C 0 3 V p p 75 CO...

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 3...

Страница 8: ...PLODED VIEWS 1 Cabinet and Main Frame Section 463 463 250 A00 463 463 300 283 280 A47 A47A A48 A44 A43 A50 A46 260 261 261 463 320 463 467 463 465 452 SCART 5 1CH MODEL ONLY OPTIONAL PART A 5 4 3 2 1...

Страница 9: ...KING SHEET 804 PACKING OPTIONAL PARTS 803 806 OWNER S MANUAL CABLE DIN 810 CABLE ASS Y 801 REMOCON 900 BOX CARTON 802 PACKING 803 811 812 PLUG ASS Y 1WAY YELLOW 814 CABLE COAXIAL DVI CABLE MOLEX 815 C...

Страница 10: ...spindle motor 3 9 17 DATA STREAM 3 9 18 Input Clock to IC202 3 10 19 Tray Open and Close 3 10 20 Focus Drive signal FACT 3 11 21 Signals for Front micom 3 11 22 FACT and FE for DVD9 Dual disc 3 12 23...

Страница 11: ...ing 27Mhz after being installed VCC 2 MPEG IC and DSP IC get the M RESET sig nal from front com and they are initialized 3 And then MPEG IC generate SMI_CLK and send to SDRAM 4 MPEG IC and SDRAM are s...

Страница 12: ...h ROM If WE signal doesn t appear check the VCC and replace the Flash ROM M reset D reset X 601 clk 3 Initializing between MPEG FLI2301B and Flash 4 Sil170B is nitialized by M Reset and D Reset VCC 3...

Страница 13: ...2 CLOSE SW LIMIT SW PMD01 PMD02 FM LD CD Q203 IC202 DSP M D ASSY IC201 Motor Drive PMD03 Let s look over the initial action of M D 1 When the tray is closed CLOSE SW should be changed from 5V to 0V a...

Страница 14: ...rmal there is no screen on TV 8 Checking the Video Signal 81 82 IC501 MPEG DSP RST PC o IC202 DSP IC IC203 MOTOR AMP IC Let s look over the initial step of DSP 1 First DSP IC receive the DSP Reset fro...

Страница 15: ...r on CD laser on PI CD DVD LD DVD LD CD 4 10 Checking the second step of servo 2 DAC_PCMOUT IC402 OP AMP DAC_PCM_CLK DAC_SCLK DAC_LRCK Analog audio IC501 MPEG STI5589 AUDIO DAC PCM1742 IC401 is called...

Страница 16: ...is abnormal then check the front u com IC901 and replace it M RESET Pin124 of IC501 DSP_RST Pin 81 of IC202 3 3V power input The waveform when power on 12 Checking the reset port Waveforms as below ar...

Страница 17: ...during a normal play The waveform when to skip or scan 14 Checking the track jump This is the waveform of FE and collector outputs of Q205 and Q206 when to play DVD This is the waveform of FE and col...

Страница 18: ...motor through those signals IC201 pin 9 IC202 pin 28 The waveform F and SPM in the PLAY Mode 16 The status Focus and spindle motor This waveforms are showing The Downloading serve program The must im...

Страница 19: ...aveform of clock inputs to IC201 18 Input Clock to IC202 IC202 DSP IC201 Driver IC Pin 38 Pin 39 Pin 1 Pin 2 Tray open Tray close MD Pin 4 Pin 5 LM LM DSP send tray open or tray close signal to IC201...

Страница 20: ...w for FACT The waveform of FACT F and F 20 Focus Drive signal FACT MRESET signal is output from front COM when power is on so IC501 is initialized And those front COM and IC501 communicate each other...

Страница 21: ...IC506 Buffer IC IC501 C542 C541 R500 The waveform and the block diagram as below show a clock input and output between IC501 and X501 Clocks generated in X501 is output and input into pin120 of IC501...

Страница 22: ...3 13 24 480P DATA_EN H_Synk V_Synk 25 720P DATA_EN H_Synk V_Synk...

Страница 23: ...3 14 26 1080i DATA_EN H_Synk V_Synk...

Страница 24: ...Front U com IC506 74HC 244 Level Shift RF Signal A B C D E F LM LM M Feeding Motor FM FM FACT TACT Actuator mute Spindle on Vref FG Loading Control DVD_LD CD_LD F F T T SPM SPM PSEL0 PSEL1 IC203 NJM3...

Страница 25: ...IFIER 14V RECTIFIER 9V RECTIFIER 5 2V TRANS Switchig TR RECTIFIER L INE FILTER LPF LPF LPF FEEDBACK REG 8V REG 3 3V REG 3 3V PWR ON OFF F F 27VA 12V 8V 5 2VA 5V 3 3V 3 3V_M 3 3V_M1 AC 90 240V 2 POWER...

Страница 26: ...ROR_EN RS_ERROR Frontend Interface sector processor CPRM DVD decryption Memory Interface Diagnostics Controller Micor Processor ST20 MPEG Decoder Sub picture OSD Audio Decoder Video Encoder DAC Audio...

Страница 27: ...C_LRCK DAC_PCM_CLK Audio I F SPDIF DSP_RST IRQ2 IIC_DATA IIC_CLK RS_ECCB_START RS_DATA RS_DVALID RS_BCLK RS_ERROR_EN RS_ERROR PROGRE_L AMUTE CVBS C for S Video Y for S Video Frontend Interface sector...

Страница 28: ...S BA 0 1 DQ 0 3 D_DQM D_WE IIC_CLK IIC_DATA CLK_OUT FDATA_ 0 7 RESET IIC_CLK IIC_DATA D_RESE T DATA_EN DVI_CLK HSYNC_OUT VSYNC_OUT PD 0 23 D V I J A C K TX0 TX1 TX2 TXC HPDBT DSTB_DVI LCA LDA IC603 Si...

Страница 29: ...20 6 AUDIO Block Diagram IC401 CS4391 AUDIO 2ch DAC L R L R MPEG I F A V JACK I F IC402 NJM4580D OP AMP LPF Buffer DAC_SCLK DAC_LRCK DAC_PCM_CLK ADAC_CLOCK ADAC_DATA ADAC ENA_2CH DAC_PCMOUT3 DV7832NX...

Страница 30: ......

Страница 31: ...IS WAY IMPLEMENTATION OF 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 Repla...

Страница 32: ...or check spindle speed Reference voltage for pick up Motor drive IC Plup Spindle Loading Motor not work Tray open close RF Amplified Filtered RF Amplified DVD reading fail CD reading fail The final si...

Страница 33: ...display Clock generation MPEG IC Initial function Video output Aduio output Main command data and clock Level shift IC initial function will be abnormal Flash Memory servo program download com progra...

Страница 34: ...3 27 3 28 4 AUDIO JACK CIRCUIT DIAGRAM Video signal does not appear 2CH Audio dead 2CH Audio dead FLD not work DV7832NXS...

Страница 35: ...3 29 3 30 5 TIMER 5 1CH CIRCUIT DIAGRAM System not operate or Digitron abnormal or Key not operate Digital abnormal Power LED abnormal Remocon not operate System not operate DV7832NXS...

Страница 36: ...3 31 3 32 6 DVI CIRCUIT DIAGRAM DV7832NXS...

Страница 37: ...1 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 0 0 1 82 0 0 0 1 47 1 6 1 55 0 23 0 23 0 23 0 23 0 02 0 03 1 75 0 0 36 0 28 0 28 0 28 2 61...

Страница 38: ...0 12 0 16 2 87 0 16 0 13 0 13 0 23 0 12 0 12 0 15 0 11 3 16 3 16 0 01 0 04 3 17 0 01 0 01 3 18 0 01 0 01 3 19 0 03 0 24 3 18 0 02 STOP PLAY MODE PIN NO IC604 AMC1117 IC607 P82B715 STOP PLAY MODE IC50...

Страница 39: ...0 00 0 00 0 00 0 0 0 35 80 36 80 0 00 0 00 2 49 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 03 0 03 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 57 0 69 0 58 0 80 1 24 1 37 1 99 2 00 2 29 0 00 2 00 1...

Страница 40: ...3 39 3 40 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW LOCATION GUIDE...

Страница 41: ...3 41 3 42 2 MAIN P C BOARD BOTTOM VIEW LOCATION GUIDE...

Страница 42: ...3 43 3 44 3 KEY P C BOARD Solder Side 4 TIMER P C BOARD LOCATION GUIDE Solder Side...

Страница 43: ...3 45 3 46 5 POWER SMPS P C BOARD 6 DVI P C BOARD LOCATION GUIDE LOCATION GUIDE Solder Side Solder Side...

Страница 44: ......

Страница 45: ...lamp 4 2 1 1 3 Clamp Upper 4 2 2 Tray Disc 4 2 3 Base Assembly Sled 4 3 3 1 Gear Assembly Feed 4 3 3 2 Gear Assembly Middle 4 3 3 3 Gear Assembly Rack 4 3 4 Rubber Rear 4 3 5 Frame Assembly Up Down 4...

Страница 46: ...Rear Frame Assembly Up Down Belt Loading Gear Pulley Gear Loading Guide Up Down PWB Assembly Loading Base Main 2 Screws 2 Locking Tabs 4 Screws 1 Screw 1 Screw 1 Locking Tab 1 Locking Tab 1 Locking T...

Страница 47: ...amp Assembly Disc from the Holder Clamp 1 1 1 Plate Clamp 1 Turn the Plate Clamp to counterclockwise direction and then lift up the Plate Clamp 1 1 2 Magnet Clamp 1 1 3 Clamp Upper 2 Tray Disc Fig 4 2...

Страница 48: ...ISM DISASSEMBLY 3 Base Assembly Sled Fig 4 3 1 Release 4 Screw S2 2 Disconnect the FFC Connector C1 3 1 Gear Assembly Feed 3 2 Gear Middle 3 3 Gear Assembly Rack 1 Release the Scerw S3 4 Rubber Rear F...

Страница 49: ...ck the Locking Tab L4 in direction of arrow B and then separate the Gear Pulley from the Base Main 8 Gear Loading Fig 4 4 9 Guide Up Down Fig 4 4 1 Move the Guide Up Down in direction of arrow A as Fi...

Страница 50: ......

Страница 51: ...chanism Exploded View 429 429 026 010 018 013 014 017 015 015A 011 430 431 011A 012 004 001 002 003 A01 A02 020 430 430 430 430 012 021 433 433 012 012 028 022 432 024 A03 A26 025 030 015B 015C 435 02...

Страница 52: ......

Страница 53: ...501R 3014M BOARD ASSEMBLY DVD DV7832NXS AA1UZZ 283 3581R T069C DOOR ASSEMBLY DVD DV7832NXS HA1UZZ 280 3721RDF374H PANEL ASSEMBLY FRONT C SKD 3721R F374H DV7832NXS AA1UZZ C NSP 452 353 051A SCREW SPECI...

Страница 54: ...ECEIVER TSOP2238SB1 VISHAY 38KHZ W O M SW901 556 219B SWITCH TACT THVV502GAA POSTECH DC 12 V 5 SW902 556 219B SWITCH TACT THVV502GAA POSTECH DC 12 V 5 SW903 556 219B SWITCH TACT THVV502GAA POSTECH DC...

Страница 55: ...36 1SZZR 0047A SCREW DRAWING 1 D1 4 L4 5 SWRCH16A FZY TAP SUB PWB ASSEMBLY TOTAL A46 6885R 1013W SUB PWB PCB ASSEMBLY DV7832NXS AA1UZZ C201 0CH8106F611 CAPACITOR CHIP AL ELECTROLYTI 10UF 16V M 85STD C...

Страница 56: ...P 50V J COG 1 6X0 8 R TP C245 0CH4120K412 CHIP CAPA CERAMIC M L T C F S 12P 50V J COG 1 6X0 8 R TP C246 0CH1102K562 CAPACITOR FIXED CERAMIC Temp c 1000PF 50V 10 X7R X 1608 R T C247 0CH1102K562 CAPACIT...

Страница 57: ...1608 R T C437 0CH8226F611 CAPACITOR CHIP AL ELECTROLYTI 22UF 16V M 85STD CYL R TP C438 0CH1102K562 CAPACITOR FIXED CERAMIC Temp c 1000PF 50V 10 X7R X 1608 R T C439 0CH8226F611 CAPACITOR CHIP AL ELECT...

Страница 58: ...0V Z Y5V F 1508 R TP C525 0CH1104K942 CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C530 0CH1104K942 CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C531 0CH1104K942 CAPACITOR CH...

Страница 59: ...50V Z Y5V F 1508 R TP C620 0CH1104K942 CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C621 0CH1104K942 CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C622 0CH8106F611 CAPACITOR C...

Страница 60: ...S HY57V641620HGT 7 HYUNDAI 54PIN IC503 0IMMRSW010A IC MEMORIES SST39VF160 70 4C EK SILICON ST IC504 0IFA742440F IC FAIRCHILD MM74HCT244SJ 20P SOIC TP 3 STA IC506 0ISTLTO015A IC STANDARD LOGIC TC7WHU04...

Страница 61: ...TP Q202 0TR388209AA TRANSISTOR BIPOLARS CHIP KTC3882 SOT 23 TP KEC Q203 0TR388209AA TRANSISTOR BIPOLARS CHIP KTC3882 SOT 23 TP KEC Q204 0TR103709BB TRANSISTOR BIPOLARS 2SA1037K Q CHIP TP ROHM Q205 0TR...

Страница 62: ...P 10K OHM 1 16 W 1608 5 00 D R248 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R249 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R250 0RH1002C622 RESISTOR MET...

Страница 63: ...6 W 1608 5 00 D R2E4 0RH3901C622 RESISTOR METAL GLAZED CHIP 3 9K OHM 1 16 W 1608 5 00 D R2E5 0RH3901C622 RESISTOR METAL GLAZED CHIP 3 9K OHM 1 16 W 1608 5 00 D R2E8 0RH4701C622 RESISTOR METAL GLAZED C...

Страница 64: ...K OHM 1 16 W 1608 5 00 D R507 0RH1000C422 RESISTOR METAL GLAZED CHIP 100 OHM 1 16 W 1608 1 00 D R508 0RH1000C422 RESISTOR METAL GLAZED CHIP 100 OHM 1 16 W 1608 1 00 D R509 0RH1000C422 RESISTOR METAL G...

Страница 65: ...IP 10K OHM 1 16 W 1608 5 00 D R606 0RH1000C622 RESISTOR METAL GLAZED CHIP 100 OHM 1 16 W 1608 5 00 D R607 0RH1000C622 RESISTOR METAL GLAZED CHIP 100 OHM 1 16 W 1608 5 00 D R608 0RH1002C622 RESISTOR ME...

Страница 66: ...OHM 1 16 W 1608 5 00 D R663 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R664 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D RA601 0RRZVTA001L RESISTOR DRAWING...

Страница 67: ...0V M W BULK C107 0CG2220U630 CAPACITOR SEMI CERAMIC 2200 PF 400V M E R NK AD SD C109 0CE108BF630 CAPACITOR FIXED ELECTROLYTIC 1000UF KME 16V M FM5 BULK C113 0CG1020U630 CAPACITOR SEMI CERAMIC 1000PF 4...

Страница 68: ...8 OHM 1 6 W 5 00 TA26 R123 0RD1001F608 RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R126 0RD1001F608 RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R140 0RD1001F608 RESISTOR FIXED CARBON FILM 1K OHM...

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