Zenith DVD5201 Скачать руководство пользователя страница 41

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CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL

NEXT TO

THEIR COMPONENT DESIGNATORS OR ARE SHADED. REPLACE ONLY WITH PART
NUMBERS SPECIFIED.

DVD5201/5591 SHEET 39

VOLTAGES ARE DC MEASURED WITH A DIGITAL

VOLTMETER DURING PLAY MODE.

DVD5201/5591 DVD and DSP Circuit

Spindle Servo Loop

RF SIGNAL

Focus Servo Loop

Tracking Servo Loop

Sled Servo Loop

WAVEFORM

DVD/CD picture

audio abnormal

MPEG Interface

Line

µ -com

Interface Data

µ -com

Interface adress

CD/DVD picture

audio abnormal

Tracking/Focus

Servo fail

Tracking

Servo fail

Spindle Motor

abnormal

CD/DVD picture

audio abnormal

Focus Servo

fail

Tracking

Servo fail

Scratched

Disc abnormal

Sled Servo fail

DRAM Control

Disc Detect

Error

Spindle Servo fail

IC201

905-10600

IC205

903-10691

IC204

905-10702

PROV

Содержание DVD5201

Страница 1: ...r 2001 OVERVIEW 5 DISASSEMBLY 8 MECHANISM 10 ELECTRICAL 14 PARTS 28 DIAGRAMS 37 SCHEMATICS 38 Published by Technical Publications Zenith Electronics Corporation P O Box 240007 Huntsville Alabama 35824...

Страница 2: ...AC type capacitor between a known good earth ground water pipe conduit etc and the exposed metallic parts one at a time Measure the AC voltage across the combination of 1500 ohm resistor and 15 mfd c...

Страница 3: ...L 14 BLOCK DIAGRAMS 14 TROUBLESHOOTING 18 PARTS 28 DIAGRAMS 37 DVD5201 5591 EXPLODED VIEW 37 SCHEMATICS 38 DVD5201 5591 POWER SUPPLY CIRCUIT 38 DVD5201 5591 DVD AND DSP CIRCUIT 39 DVD5201 5591 DRIVE A...

Страница 4: ......

Страница 5: ...gnal to noise ratio audio More than 100dB EIAJ Audio dynamic range audio More than 90dB EIAJ Harmonic distortion audio 0 008 Wow and flutter Below measurable level less than 0 001 W PEAK EIAJ Operatio...

Страница 6: ...R166 923 03461 6 DVD2 OVERVIEW OVERVIEW PACKAGE CONTENTS BATTERY 808 PACKING SHEET 804 PACKING OPTIONAL PARTS 803 811 812 OWNER S MANUAL 810 CABLE SET ASS Y 801 REMOCON 900 BOX CARTONX 802 PACKING 803...

Страница 7: ...l 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 call...

Страница 8: ...w 4 screws D at MD Ass y DPM1 7 T urn the portion the direction of arrow to move the Base Assembly T ray in front of you 8 Release the other 3 screws E 9 Disassemble MD Ass y DPM1 from Main chassis 10...

Страница 9: ...ckof it andremove it in the direction of the arrow Fig 2 1 Fig 2 2 Fig 2 3 3 Front Panel 1 Eject the disc tray See Fig 2 2 2 Remove the tray door See Fig 2 2 3 Pull the front panel toward you while pr...

Страница 10: ...ectors 3 Screws 1 Screw 1 Screw 1 Screw 1 Screw 1 Screw 2 Screws 1 Locking Tab 4 1 4 1 4 1 4 1 4 1 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4...

Страница 11: ...the Base Assembly T ray in front of you 2 Push down two Locking Tabs L1 locatedto both sides of the Base Main and then pull the Base Assembly T ray in fornt of you 2 1 T ray Disc Fig 4 2 1 Release Scr...

Страница 12: ...FRAME 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 Asse...

Страница 13: ...C9 2 Release three Screws S9 When reassembling align the Mode Switch position as Fig A Put the Base Assembly Main on original position Top Side 4 2 Gear Slider 1 Release Screw S10 4 3 Gear Exchange 1...

Страница 14: ...5 LA0 3 AD 00 15 MDP FDO TDO FMO MON OPEN_SW CLOSE_SW LIMIT_SW CPLD SBADD 27MHz X TAL 33 8688 MHz X TAL 3 3V POWER_CTL SRST R AMP FRFLRLRRCENTERWOOFER AMP AMP AMP 5591 Main 5201 Main M M DISC SPINDLE...

Страница 15: ...I F SRST L R MPEG I F IC451 PCM1600 5 1ch Auto DAC IC452 NJM4580D COMM_DATA COMM_CLK DAC_CS2 SRST LR CLK DA_XCK DA_BCK FL FR COM I F DA_DATA1 DA_DATA2 DA_DATA3 FL FR IC453 NJM4580D RL RR RL RR IC454 N...

Страница 16: ...I F DA_DATA DA_BCK DA_LRCK DA_XCK DAC_L0 DAC_L1 DAC_RST A V JACK I F C R B CVBS G R Y B G CVBS V_MUTE 16 9 ZISENB RD PWED 8 8 SENS FOK SLD_FG MSDAT0 DEFECT DSP_SENSE IC2M1 KA3017 SpindleMotor Loading...

Страница 17: ...AL Power 5V_D 5V_A 27VA VF RECTIFIER LINEFILTER SWITCHINGTR TRANS FEED B REG 8V 8V 5 2VA VF RECTIFIER FLD RECTIFIER 9V RECTIFIER 5 2V LPF LPF RECTIFIER 14V LPF 12VA AC120V PWR ON OFF REG 3 3V REG 3 3V...

Страница 18: ...3 R125 R124 Replace R102 Replace BD101 Bridge rectifier Is R102 R104 normal Is aboutAC 100V app iedto IC101 Pin 3 Check IC101 Is 5 2V appliedto IC102 Pin 1 Is there a DC voltageat the terminal of BD10...

Страница 19: ...of X501 normal Are IC501 Pins 193 808 and 81 normal Does DV 50 Bars appear Does Hello appearat FLD Is P3901 connectednormally Is P3901 Pin 8 9 18 normal The waveform on 3 5 7 pin of IC502 normal Check...

Страница 20: ...ES YES If OK YES YES If OK YES If OK YES If OK Refer to Audio Circuit Refer to DecoderCircuit Refer to Micro Circuit Replace B D Check Front Reconnectit Refer to SERVO Circuit Check the connectionof M...

Страница 21: ...VR166 923 03461 21 DVD2 SERVICING ELECTRICAL Micro Circuit Servo Circuit Servo Circuit...

Страница 22: ...40 normal Check waveform of IC901 Pin 22 Does pulse waveformof RC901 Pin 1 appear Is IC901 Pin 17 connectedto RC901 Pin 1 Is RC901 Pin 2 5V Power on Check andreplace R926 R925 Solder defectiveparts ag...

Страница 23: ...normal Is Clock normal Does the audio sound output from Micro decoder Does the audiosound output normally END Check power clock Check CD DVD DSP output signal Check CD DVD DSP output signal Check CD D...

Страница 24: ...es 33 8688MHz clock input to IC201 Pin 63 Is IC201 Pins 83 84 88 89 voltage about2 2V Replace IC201 IC206 soldering or IC defect Check power circuit Check 2 Micro Circuit Replace X201 or IC206 30MHz c...

Страница 25: ...wn IC201 Pin 88 no output IC201 is defective IC2M1 Pins 28 29 no output IC2M1 is defective IC201 Pin 83 no output IC201 is defective IC2M1 Pins 37 38 no output IC2M1 is defective DECK assembly is defe...

Страница 26: ...IC201 Check IC2A1 Pin 11 12 13 14 in DVD Mode Fig 3 FOCUS ERROR waveform IC201 no output Pick up is defective Check IC201 and IC2M1 when PMD03 Pin 5 is abnormal Check IC2M1 Pin 21 PMD03 Pin 5 turn wh...

Страница 27: ...1 Pin 41 Does the 1 6V emit Check RF Eye Pattern RF 1 5 1 6V IC2A1 Pin 57 Fig 5 RF waveform Check IC2A1 Pins 5 6 7 8 No signal Pick up is defective Replace IC201 Check IC201 Pin84 No signal at IC201 I...

Страница 28: ...EFERENCE CHART The following information is for models in and out of warranty To Order Parts call 1 888 3 ZENITH fax 1 888 6 ZENITH By Mail ZENITH NATIONAL PARTS SALES AND DISTRIBUTION CENTER P O Box...

Страница 29: ...500M M DIN NORMAL NO A 900 924 10104 REMOTE CONTROLLER AS N5 DM4911N NA1UZ W D B 900 924 10105 REMOTE CONTROLLER AS J5 DM4952N AA1UZ ZEN AB A00 969 10019 DECK ASSY VIDEO DPM1 DVD CD R RWC MI AB A01 84...

Страница 30: ...0 AB C2C2 822 10959 CAP FIXED CERAMIC 2200PF 50V 10 AB C2C3 822 10959 CAP FIXED CERAMIC 2200PF 50V 10 AB C2C4 822 10959 CAP FIXED CERAMIC 2200PF 50V 10 AB C2C5 822 10957 CAP FIXED CERAMIC 0 1UF 50V 80...

Страница 31: ...CAP CHIP AL ELECTRO 47UF 6 3V 20 B C486 822 10975 CAP CHIP AL ELECTRO 47UF 6 3V 20 B C487 822 11358 CAP FIXED CERAMIC 1000PF 50V 10 B C488 822 11252 CAP FIXED CERAMIC 560PF 50V 10 B C490 822 10962 CA...

Страница 32: ...5 10684 IC XILINX XC9572XL 10TQ100C 10 AB IC302 905 10685 IC STANDARD LOGIC 74LCX573MTCX FAIRCHI AB IC303 905 10685 IC STANDARD LOGIC 74LCX573MTCX FAIRCHI AB IC304 905 10686 IC HYUNDAI HY57V653220CTC...

Страница 33: ...OHM 1 16W AB R231 863 11156 RESISTOR METAL GLAZED CHIP 100 OHM 1 16W AB R232 863 11156 RESISTOR METAL GLAZED CHIP 100 OHM 1 16W AB R233 863 11156 RESISTOR METAL GLAZED CHIP 100 OHM 1 16W AB R234 863 1...

Страница 34: ...STOR METAL GLAZED CHIP 0 OHM 1 16W AB R325 863 11157 RESISTOR METAL GLAZED CHIP 1K OHM 1 16W AB R326 863 11173 RESISTOR METAL GLAZED CHIP 4 7K OHM 1 16W AB R327 863 11158 RESISTOR METAL GLAZED CHIP 10...

Страница 35: ...METAL GLAZED CHIP 100 OHM 1 16W B R482 863 11166 RESISTOR METAL GLAZED CHIP 220 OHM 1 16W B R483 863 11159 RESISTOR METAL GLAZED CHIP 100K OHM 1 16W B R484 863 11164 RESISTOR METAL GLAZED CHIP 1 8K O...

Страница 36: ...6W 5 AB R926 863 06644 RESISTOR FIXED CARBON FILM 10K OHM 1 6W 5 AB R928 863 06644 RESISTOR FIXED CARBON FILM 10K OHM 1 6W 5 AB R929 863 06638 RESISTOR FIXED CARBON FILM 47K OHM 1 6W 5 AB R941 863 06...

Страница 37: ......

Страница 38: ......

Страница 39: ...D5201 5591 Exploded View 016 012 012 014 014 009 013 414 011 008 432 430 430 430 430 031 001 003 004 026 025 002 414 413 413 413 413 413 413 414 414 416 032 034 033 035 416 416 416 416 416 037 038 030...

Страница 40: ...GES ARE DC MEASURED WITH A DIGITAL VOLTMETER DURING PLAY MODE DVD5201 5591 SHEET 38 Schematics DVD5201 5591 Power Supply Circuit SVC681D Oscillation abnormal Digitron no Power 3 3V line dead No Power...

Страница 41: ...AL Focus Servo Loop Tracking Servo Loop Sled Servo Loop WAVEFORM DVD CD picture audio abnormal MPEG Interface Line com Interface Data com Interface adress CD DVD picture audio abnormal Tracking Focus...

Страница 42: ...it WAVEFORM Spindle Servo Loop Turn Table Loop Focus Servo Loop Tracking Servo Loop Sled Servo Loop Turntable not operate Tray Loading Speed control Turn table speed control Spindle Motor unstable Act...

Страница 43: ...SHEET 41 VOLTAGES ARE DC MEASURED WITH A DIGITAL VOLTMETER DURING PLAY MODE DVD5201 5591 Micro Circuit WAVEFORM OPTICAL COAXITAL OUT Y Pb Pr Component Y c S VHS Audio L R OUT CVBS No Power on Audio D...

Страница 44: ...mory Circuit Program download fail Digitron abnormal Not used Not power on Not memoried setup Menu Turntable not operating No Disc display Tray not open close Tray not closed Pick up not initial opera...

Страница 45: ...DESIGNATORS OR ARE SHADED REPLACE ONLY WITH PART NUMBERS SPECIFIED 43 DVD5201 5591 SHEET 43 VOLTAGES ARE DC MEASURED WITH A DIGITAL VOLTMETER DURING PLAY MODE DVD5201 5591 Timer Circuit System not op...

Страница 46: ...C MEASURED WITH A DIGITAL VOLTMETER DURING PLAY MODE DVD5201 5591 SHEET 44 DVD5201 Audio Video Circuit L R Q401 is defective 2CH Audio out bad IC401 is defective 2CH Audio out bad IC401 is defective 2...

Страница 47: ...ORS OR ARE SHADED REPLACE ONLY WITH PART NUMBERS SPECIFIED 45 DVD5201 5591 SHEET 45 VOLTAGES ARE DC MEASURED WITH A DIGITAL VOLTMETER DURING PLAY MODE DVD5591 Audio Video Circuit Q407 KTC3875 R444 1K...

Страница 48: ...FIED BY THE SYMBOL NEXT TO THEIR COMPONENT DESIGNATORS OR ARE SHADED REPLACE ONLY WITH PART NUMBERS SPECIFIED 46 VOLTAGES ARE DC MEASURED WITH A DIGITAL VOLTMETER DURING PLAY MODE DVD5201 5591 SHEET 4...

Страница 49: ...FIED BY THE SYMBOL NEXT TO THEIR COMPONENT DESIGNATORS OR ARE SHADED REPLACE ONLY WITH PART NUMBERS SPECIFIED 47 DVD5201 5591 SHEET 47 VOLTAGES ARE DC MEASURED WITH A DIGITAL VOLTMETER DURING PLAY MOD...

Страница 50: ...BOL NEXT TO THEIR COMPONENT DESIGNATORS OR ARE SHADED REPLACE ONLY WITH PART NUMBERS SPECIFIED 48 VOLTAGES ARE DC MEASURED WITH A DIGITAL VOLTMETER DURING PLAY MODE DVD5201 5591 SHEET 48 DVD5201 5591...

Страница 51: ...TO THEIR COMPONENT DESIGNATORS OR ARE SHADED REPLACE ONLY WITH PART NUMBERS SPECIFIED 49 DVD5201 5591 SHEET 49 VOLTAGES ARE DC MEASURED WITH A DIGITAL VOLTMETER DURING PLAY MODE DVD5201 5591 PCB Layou...

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