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Zenith DVD5201 Service Manual - Dvd5201/5591 Micro Circuit

Other manuals for DVD5201: Operating Manual

Summary of DVD5201

  • Page 1

    Service manual product type: dvd player chassis: dvd2 manual series: vr166 manual part #: 923-03461 model line: d product year: 2001 overview ........................................................ 5 disassembly .................................................... 8 mechanism .........................

  • Page 2: Product Safety Guidelines

    Vr166 - 923-03461 2 dvd2 - safety product safety guidelines important safety notice this manual was prepared for use only by properly trained audio-visual service technicians. When servicing this product, under no circumstances should the original design be modified or altered without permission fro...

  • Page 3: Table of Contents

    Vr166 - 923-03461 3 dvd2 - toc table of contents overview ........................................................ 5 features ..................................................... 5 specifications ............................................. 5 outputs ..................................................

  • Page 5: Overview

    Overview vr166 - 923-03461 5 dvd2 - overview features • 5 disc changer • mp3 decoding • dts®/dolby digital® capable • component video output • universal remote control with shuttle • zoom (4x, 16x) • still pause and frame advance • ez search, ez scan with marker • automatic aspect ratio control • pa...

  • Page 6: Overview

    Vr166 - 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: Servicing

    Vr166 - 923-03461 7 dvd2 - servicing servicing servicing precautions before servicing the dvd covered by this service data (and its supplements and addendums), read and follow the safety precautions. If unforeseen circumstances create conflict between the following servicing precautions and any of t...

  • Page 8: Chassis

    Vr166 - 923-03461 8 dvd2 - servicing chassis disassembly (l1) (l1) (b) (b) (c) (c) (c) (f) (f) (f) (f) (b) (b) (d) (e) (d) (d) (d) (e) (e) (b) (b) (g) (g) (g) (g) (g) (g) fig. 2-4 fig. 2-5 1. Disassemble main circuit board, jack circuit board, power circuit board and md ass'y dpm1. 1. Remove the top...

  • Page 9: Chassis

    Vr166 - 923-03461 9 dvd2 - servicing chassis (a) (a) (a) (a) (a) (a) (a) cabinet disassembly 1. T op case 1. Release 7 screws (a). (see fig. 2-1) 2. Lift the top case with holding the back of it, and remove it in the direction of the arrow. Fig. 2-1 fig. 2-2 fig. 2-3 3. Front panel 1. Eject the disc...

  • Page 10: Mechanism

    Vr166 - 923-03461 10 dvd2 - servicing mechanism mechanism 3 screws 2 connectors 1 hook 2 locking t abs 1 screw 2 locking t abs 2 screws 1 connector 2 screws 1 screw 2 screws 5 connectors 4 screws 1 connector 1 locking t ab 1 screw 2 connectors 3 screws 1 screw 1 screw 1 screw 1 screw 1 screw 2 screw...

  • Page 11: Mechanism

    Vr166 - 923-03461 11 dvd2 - servicing mechanism 1 ) release 3 screws(s1). 2 ) unlock the connectors (c1), (c2) from the hook(h1). 1-1. Plate clamp 1 ) h o l d a n d f i x t h e u p p e r c l a m p u n d e r the holder assembly clamp, and then turn the plate clamp to the counterclockwise direction(ar...

  • Page 12: Mechanism

    Vr166 - 923-03461 12 dvd2 - servicing mechanism pcb assemb ly junction (l3) (c7) (s7) (s7) (s7) (s8) gear assemb ly rack rubber damper pick u p assemb ly general gear middle base pu(outse r t) rubber damper rubber rear rubber rear pick u p assemb ly general mot or assemb ly gear assemb ly feed (s7) ...

  • Page 13: Mechanism

    Vr166 - 923-03461 13 dvd2 - servicing mechanism (s10) (s12) (s11) fig.(b) (s15) (s15) (s14) (s9) (s9) (s9) (c8) (c9) (l4) (s13) gear slider gear main gear exchange gear loading gear whee l main mot or assemb ly main mot or assemb ly main mode switch pcb assemb ly main mode base main gear up/down fig...

  • Page 14: Electrical

    Vr166 - 923-03461 14 dvd2 - servicing electrical electrical block diagrams m m disc spindle motor loading motor d e c k m e c h a n is m cd: a,b, e, f dvd: a,b,c,d, dvd; rf dvd: a,b,c,d, pick up ic205 dram 16bit 4m ic201 hy25d801c cd / dvd dsp ic501 ic901 upd78032 from fl display key input remocon r...

  • Page 15: Electrical

    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 c...

  • Page 16: Electrical

    Vr166 - 923-03461 16 dvd2 - servicing electrical mpeg dsp ic501 ic301 xc9572vl cpld i/o port 72 ic304 sdram 16/32bit 64m ic502 93c46 eeprom ic3f1 flash memory ic302/ic303 latch ad[0:7] 8 dsp i/f dvd[0:7] 8 la[0:3] 4 sclk,sdata sqck,sqs0 reqp sdclk1,psync dsp_int sense /dsp_cs a d [ 0 0 : 1 9 ] rf & ...

  • Page 17: Electrical

    Vr166 - 923-03461 17 dvd2 - servicing electrical power 5v_d 5v_a -27va vf+ r e c t if ie r l in e f il t e r s w it c h in g t r t r a n s 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) 2.5v 3.3v,3.3v_m ...

  • Page 18: Electrical

    Vr166 - 923-03461 18 dvd2 - servicing electrical troubleshooting no 5v_d or 5v_ a . No 5.2va. Is 5.2va section working? (is the power ct l at pin6 high/low?) is oscillation present at the base of q108? Replace q108. Check d109, c123, r125, r124. Replace r102. Replace bd101. (bridge rectifier) is r10...

  • Page 19: Electrical

    Vr166 - 923-03461 19 dvd2 - servicing electrical replace main b/d refer to front part replace ic502 reconnect it. 2. µ-com circuit a. No power does logo appear on the screen? Is oscillation of x501 normal? Are ic501 pins 193, 80 8 and 81 normal? Does “dv 50" bars appear? Does “hello” appear at fld? ...

  • Page 20: Electrical

    Vr166 - 923-03461 20 dvd2 - servicing electrical b. Audio abnormal d. Open/close abnormal check the connection of p3901. Check ic301 pins 93, 94. Check audio jack. Yes (if ok) yes no no yes yes (if ok) yes yes (if ok) yes (if ok) yes (if ok) refer to audio circuit refer to decoder circuit refer to m...

  • Page 21: Electrical

    Vr166 - 923-03461 21 dvd2 - servicing electrical micro circuit servo circuit servo circuit.

  • Page 22: Electrical

    Vr166 - 923-03461 22 dvd2 - servicing electrical no no no s t ar t does remote control work normally? Do all the buttons work normally? Check waveform of ic901 pin 21, 22. Check waveform of ic901 pin 27. Is digitron on normally? Led on? Check waveform of ic901 pin 6. Is oscillation of x901 normal? I...

  • Page 23: Electrical

    Vr166 - 923-03461 23 dvd2 - servicing electrical power is on does zenith logo appears on the screen. Is micro circuit data signal normal is error signal normal? Is micro data signal normal? Is clock normal? Does the audio sound output from micro decoder? Does the audio sound output normally? End che...

  • Page 24: Electrical

    Vr166 - 923-03461 24 dvd2 - servicing electrical does tt l pulse output to ic201 pins 140, 142? Does 33.8688mhz clock input to ic201 pin 63? Is ic201 pins 83, 84, 88, 89 voltage about 2.2v? Replace ic201 (ic206 soldering or ic defect). Check power circuit. Check "2.Micro circuit replace x201 or ic20...

  • Page 25: Electrical

    Vr166 - 923-03461 25 dvd2 - servicing electrical does tray open or close? Does the pick-up slide inner or outer track? Fig.1. Sled driver waveform fig.2. Focus driver waveform does pmd03 pin 6 change high to low? Does the pick-up lens move up and down? Ic201 pin 88 no output : ic201 is defective ic2...

  • Page 26: Electrical

    Vr166 - 923-03461 26 dvd2 - servicing electrical focus on? Does the disc turn? Ic201 pin169 is "high"? Is ok the track jump. Does the signal pulse appear at ic2a1 pins 39, 29? Does the screen appear? Open/close replace ic501 or ic201. Replace ic201. Check ic2a1 pin 11,12,13,14 in dvd mode fig.3. Foc...

  • Page 27: Electrical

    Vr166 - 923-03461 27 dvd2 - servicing electrical see the eye-pattern vivid? Does the sawtooth waveform emit at ic2a1 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 ic20...

  • Page 28

    Vr166 - 923-03461 28 dvd2 - parts component parts list component parts list reference 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 240007 huntsville, a...

  • Page 29: Component Parts List

    Vr166 - 923-03461 29 dvd2 component parts note: this list will enable you to easily determine the parts used on each model, chassis, or assembly. Component parts list dvd 5201/5591 rc ref part# description rc ref part# description critical safety components are identified by shading. Replace only wi...

  • Page 30: Component Parts List

    Vr166 - 923-03461 30 dvd2 component parts note: this list will enable you to easily determine the parts used on each model, chassis, or assembly. Component parts list dvd 5201/5591 rc ref part# description rc ref part# description critical safety components are identified by shading. Replace only wi...

  • Page 31: Component Parts List

    Vr166 - 923-03461 31 dvd2 component parts note: this list will enable you to easily determine the parts used on each model, chassis, or assembly. Component parts list dvd 5201/5591 rc ref part# description rc ref part# description critical safety components are identified by shading. Replace only wi...

  • Page 32: Component Parts List

    Vr166 - 923-03461 32 dvd2 component parts note: this list will enable you to easily determine the parts used on each model, chassis, or assembly. Component parts list dvd 5201/5591 rc ref part# description rc ref part# description critical safety components are identified by shading. Replace only wi...

  • Page 33: Component Parts List

    Vr166 - 923-03461 33 dvd2 component parts note: this list will enable you to easily determine the parts used on each model, chassis, or assembly. Component parts list dvd 5201/5591 rc ref part# description rc ref part# description critical safety components are identified by shading. Replace only wi...

  • Page 34: Component Parts List

    Vr166 - 923-03461 34 dvd2 component parts note: this list will enable you to easily determine the parts used on each model, chassis, or assembly. Component parts list dvd 5201/5591 rc ref part# description rc ref part# description critical safety components are identified by shading. Replace only wi...

  • Page 35: Component Parts List

    Vr166 - 923-03461 35 dvd2 component parts note: this list will enable you to easily determine the parts used on each model, chassis, or assembly. Component parts list dvd 5201/5591 rc ref part# description rc ref part# description critical safety components are identified by shading. Replace only wi...

  • Page 36: Component Parts List

    Vr166 - 923-03461 36 dvd2 component parts note: this list will enable you to easily determine the parts used on each model, chassis, or assembly. Component parts list dvd 5201/5591 rc ref part# description rc ref part# description critical safety components are identified by shading. Replace only wi...

  • Page 39: Dvd5201/5591 Exploded View

    37 dvd5201/5591 diagrams dvd5201/5591 diagrams dvd5201/5591 exploded view 016 012 012 014 014 009 013 414 011 008 432 430 430 430 430 031 001 003 004 026 025 002 414 413 413 413 413 413 413 414 414 416 032 034 033 035 416 416 416 416 416 037 038 030 024 022 023 021 020 036 a03 a01 a02 a04 diagrams.

  • Page 40: Schematics

    Critical safety components are identified by the symbol next to their component designators or are shaded. Replace only with part numbers specified. 38 voltages are dc measured with a digital voltmeter during play mode. Dvd5201/5591 sheet 38 schematics dvd5201/5591 power supply circuit svc681d oscil...

  • Page 41

    Critical safety components are identified by the symbol next to their component designators or are shaded. Replace only with part numbers specified. 39 dvd5201/5591 sheet 39 voltages are dc measured with a digital voltmeter during play mode. Dvd5201/5591 dvd and dsp circuit 5 5 6 spindle servo loop ...

  • Page 42

    Critical safety components are identified by the symbol next to their component designators or are shaded. Replace only with part numbers specified. 40 voltages are dc measured with a digital voltmeter during play mode. Dvd5201/5591 sheet 40 dvd5201/5591 drive and rf circuit waveform spindle servo l...

  • Page 43: Dvd5201/5591 Micro Circuit

    Critical safety components are identified by the symbol next to their component designators or are shaded. Replace only with part numbers specified. 41 dvd5201/5591 sheet 41 voltages are dc measured with a digital voltmeter during play mode. Dvd5201/5591 micro circuit waveform optical/coaxital out y...

  • Page 44: Dvd5201/5591 Memory Circuit

    Critical safety components are identified by the symbol next to their component designators or are shaded. Replace only with part numbers specified. 42 voltages are dc measured with a digital voltmeter during play mode. Dvd5201/5591 sheet 42 dvd5201/5591 memory circuit program download fail digitron...

  • Page 45: Dvd5201/5591 Timer Circuit

    Critical safety components are identified by the symbol next to their component 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 operate remocon not ...

  • Page 46: Dvd5201 Audio/video Circuit

    Critical safety components are identified by the symbol next to their component designators or are shaded. Replace only with part numbers specified. 44 voltages are dc measured with a digital voltmeter during play mode. Dvd5201/5591 sheet 44 dvd5201 audio/video circuit l r q401 is defective 2ch. Aud...

  • Page 47: Dvd5591 Audio/video Circuit

    Critical safety components are identified by the symbol next to their component designators 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 r443 1k r...

  • Page 48: Dvd5201 Jack Circuit

    Critical safety components are identified 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 46 dvd5201 jack circuit prov prov prov.

  • Page 49: Dvd5591 Jack Circuit

    Critical safety components are identified 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 mode. Dvd5591 jack circuit prov prov prov.

  • Page 50: Dvd5201/5591 Main Pcb Layout

    Critical safety components are identified by the symbol 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 main pcb layout location guide (top side) (bo...

  • Page 51: Dvd5201/5591 Pcb Layouts

    Critical safety components are identified by the symbol next 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 layouts location guide a/v jack control p...