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VR166 - 923-03461 

15 

DVD2 - SERVICING

ELECTRICAL

5591 Audio

5201 Audio

IC401

PCM1716

Audio DAC

IC402

LPF & Buffer

NJM4580D

OP AMP

DAC
COMM_DATA
COMM_CLK
DAC_CS

LRCK

A_0WT3

DA_BCK
DA_XCK

L

R

U-COM

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

µ -COM

I/F

DA_DATA1
DA_DATA2
DA_DATA3

FL

FR

IC453

NJM4580D

RL

RR

RL 

RR

IC454

NJM4580D

CENTER

WOOFER

CENTER 

WOOFER

MPEG

I/F

IC401

PCM1716

Audio DAC

IC402

LPF & Buffer

NJM4580D

OP AMP

U-COM

I/F

A_0WT3

/SRST

DAC

COMM_DATA

COMM_CLK

DAC_CS

LRCK

DA_BCK

DA_XCK

L

R

L

R

MPEG

I/F

Summary of Contents for DVD5201

Page 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...

Page 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...

Page 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...

Page 4: ......

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 37: ......

Page 38: ......

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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