Service Manual
Page 1
SERVICE MANUAL Product Type: DVD VIDEO PLAYER Chassis: DP9 (MD) Manual Series: ZDA-311 Manual Part #: 3829RHN004T Model Line: D Product Year: 2005 Model Series: ZDA-311 Printed in U.S.A CONTENTS Summary 1 Cabinet & Main Chassis 2 Electrical 3 Parts List 4 Published March 2005 by Technical Publications Zenith Electronics Corporation 201 James Record Road Huntsville, Alabama 35824-1513 Copyright © 2005 by Zenith Electronics Corporation
SERVICE MANUAL Product Type: DVD VIDEO PLAYER Chassis: DP9 (MD) Manual Series: ZDA-311 Manual Part #: 3829RHN004T Model Line: D Product Year: 2005 Model Series: ZDA-311 Printed in U.S.A CONTENTS Summary 1 Cabinet & Main Chassis 2 Electrical 3 Parts List 4 Published March 2005 by Technical Publications Zenith Electronics Corporation 201 James Record Road Huntsville, Alabama 35824-1513 Copyright © 2005 by Zenith Electronics Corporation
Service Manual
Page 3
SECTION 1 SUMMARY CONTENTS PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS 1-3 SERVICING PRECAUTIONS 1-4 • General Servicing Precautions • Insulation Checking Prodedure • Electrostatically Sensitive Devices SPECIFICATIONS ...1-5 1-2
SECTION 1 SUMMARY CONTENTS PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS 1-3 SERVICING PRECAUTIONS 1-4 • General Servicing Precautions • Insulation Checking Prodedure • Electrostatically Sensitive Devices SPECIFICATIONS ...1-5 1-2
Service Manual
Page 4
... EXACT FACTORY TYPES, DO NOT USE REPLACEMENT COMPONENTS OTHER THAN THOSE SPECIFIED OR MAKE UNRECOMMENDED CIRCUIT MODIFICATIONS. 7. HANDLE AND SCREWS) TO BE SURE THE SET IS SAFE TO OPERATE WITHOUT DANGER OF ELECTRICAL SHOCK. CONNECT A 1500 OHM 10 WATT RESISTOR, PARALLELED BY A .15 MFD. 150.V A.C TYPE CAPACITOR BETWEEN A KNOWN GOOD EARTH GROUND (WATER PIPE, CONDUIT, ETC.) AND THE EXPOSED METALLIC PARTS...
... EXACT FACTORY TYPES, DO NOT USE REPLACEMENT COMPONENTS OTHER THAN THOSE SPECIFIED OR MAKE UNRECOMMENDED CIRCUIT MODIFICATIONS. 7. HANDLE AND SCREWS) TO BE SURE THE SET IS SAFE TO OPERATE WITHOUT DANGER OF ELECTRICAL SHOCK. CONNECT A 1500 OHM 10 WATT RESISTOR, PARALLELED BY A .15 MFD. 150.V A.C TYPE CAPACITOR BETWEEN A KNOWN GOOD EARTH GROUND (WATER PIPE, CONDUIT, ETC.) AND THE EXPOSED METALLIC PARTS...
Service Manual
Page 5
... semiconductor component or semiconductor-equipped assembly, drain off any electrostatic charge on . Some solder removal devices not classified a "anti-static" can generate electrical charge sufficient to damage ES devices. 5. These can generate electrical charges sufficient to damage ES devices. 6. Caution : Be sure no power is not required. 4. Always unplug the DVD AC power cord from the leads of the attachment plug. Always connect...
... semiconductor component or semiconductor-equipped assembly, drain off any electrostatic charge on . Some solder removal devices not classified a "anti-static" can generate electrical charge sufficient to damage ES devices. 5. These can generate electrical charges sufficient to damage ES devices. 6. Caution : Be sure no power is not required. 4. Always unplug the DVD AC power cord from the leads of the attachment plug. Always connect...
Service Manual
Page 6
SPECIFICATIONS • GENERAL Power requirements: Power consumption: Dimensions (Approx.): Weight (Approx.): Operating temperature: Operating humidity: • OUTPUTS VIDEO OUT: COMPONENT VIDEO OUT: AUDIO OUT: DIGITAL OUT (COAXIAL): • SYSTEM Laser: Signal system: Frequency response: Signal-to-noise ratio: Harmonic distortion: Dynamic range: AC 120 V , 60 Hz 8W 360 x 35 ...jack (L, R) x 1 0.5 V (p-p), 75 Ω, RCA jack x 1 Semiconductor laser, wavelength 650 nm PAL / NTSC DVD (PCM 96 kHz): 8 Hz to 44 kHz DVD (PCM 48 kHz): 8 Hz to 22 kHz CD: 8 Hz to 20 kHz More than 100 dB (ANALOG OUT ...
SPECIFICATIONS • GENERAL Power requirements: Power consumption: Dimensions (Approx.): Weight (Approx.): Operating temperature: Operating humidity: • OUTPUTS VIDEO OUT: COMPONENT VIDEO OUT: AUDIO OUT: DIGITAL OUT (COAXIAL): • SYSTEM Laser: Signal system: Frequency response: Signal-to-noise ratio: Harmonic distortion: Dynamic range: AC 120 V , 60 Hz 8W 360 x 35 ...jack (L, R) x 1 0.5 V (p-p), 75 Ω, RCA jack x 1 Semiconductor laser, wavelength 650 nm PAL / NTSC DVD (PCM 96 kHz): 8 Hz to 44 kHz DVD (PCM 48 kHz): 8 Hz to 22 kHz CD: 8 Hz to 20 kHz More than 100 dB (ANALOG OUT ...
Service Manual
Page 8
Cabinet and Main Frame Section 5 4 3 2 1 A 452 A42 A49 463 A00 463 283 452 463 A43 280 A47 A48 463 250 5.1CH Model ONLY 463 B 2-2 C 261 260 467 463 A46 465 300 320 A44 261 D EXPLODED VIEWS 1.
Cabinet and Main Frame Section 5 4 3 2 1 A 452 A42 A49 463 A00 463 283 452 463 A43 280 A47 A48 463 250 5.1CH Model ONLY 463 B 2-2 C 261 260 467 463 A46 465 300 320 A44 261 D EXPLODED VIEWS 1.
Service Manual
Page 10
Packing Accessory Section 823 AC ADAPTOR 808 BATTERY 900 REMOCON 810 CABLE SET ASS'Y 803 PACKING 806 RF CABLE 811 PLUG ASS'Y 1WAY(YELLOW) 812 PLUG ASS'Y 2WAY 820 PLUG ASS'Y 1WAY(BLACK) 801 OWNER'S MANUAL 804 PACKING SHEET 803 PACKING 802 BOX CARTON OPTIONAL PARTS 2-4 3.
Packing Accessory Section 823 AC ADAPTOR 808 BATTERY 900 REMOCON 810 CABLE SET ASS'Y 803 PACKING 806 RF CABLE 811 PLUG ASS'Y 1WAY(YELLOW) 812 PLUG ASS'Y 2WAY 820 PLUG ASS'Y 1WAY(BLACK) 801 OWNER'S MANUAL 804 PACKING SHEET 803 PACKING 802 BOX CARTON OPTIONAL PARTS 2-4 3.
Service Manual
Page 11
... 27MHz CLOCK, RESET, FLASH R/W SIGNAL 3-10 2. LASER POWER CONTROL RELATED SIGNAL(NO DISC CONDITION 3-14 7. DRIVER Circuit DIAGRAM...3-32 5. SMPS P.C.BOARD ...3-42 3-1 Power check flow...3-2 2. TRAY OPEN/CLOSE SIGNAL 3-12 4. VIDEO & AUDIO Block Diagram 3-25 CIRCUIT DIAGRAMS ...3-26 1. LENS CONTROL RELATED SIGNAL(NO DISC CONDITION 3-13 6. MT1389D VIDEO OUTPUT WAVEFORM 3-19 13. Power(SMPS) Block Diagram 3-22 3. Overall Block Diagram ...3-21 2. MT1389D AUDIO OPTICAL AND COAXIAL OUTPUT (SPDIF 3-19 12. SECTION 3 ELECTRICAL CONTENTS ELECTRICAL TROUBLESHOOTING GUIDE...
... 27MHz CLOCK, RESET, FLASH R/W SIGNAL 3-10 2. LASER POWER CONTROL RELATED SIGNAL(NO DISC CONDITION 3-14 7. DRIVER Circuit DIAGRAM...3-32 5. SMPS P.C.BOARD ...3-42 3-1 Power check flow...3-2 2. TRAY OPEN/CLOSE SIGNAL 3-12 4. VIDEO & AUDIO Block Diagram 3-25 CIRCUIT DIAGRAMS ...3-26 1. LENS CONTROL RELATED SIGNAL(NO DISC CONDITION 3-13 6. MT1389D VIDEO OUTPUT WAVEFORM 3-19 13. Power(SMPS) Block Diagram 3-22 3. Overall Block Diagram ...3-21 2. MT1389D AUDIO OPTICAL AND COAXIAL OUTPUT (SPDIF 3-19 12. SECTION 3 ELECTRICAL CONTENTS ELECTRICAL TROUBLESHOOTING GUIDE...
Service Manual
Page 13
Execute Pressed Key & IR Key 2. System operation Routine Loop 1. System operation flow Power On 1. 8032 initializes SERVO,DSP & RISC registers 2. Reset RISC Show LOGO YES Tray Closed ? NO SLED Moves to Closed position YES SLED at Inner Side ? Display tray open message & LOGO YES YES Receive CLOSE Key? 3-3 Stop Playback & Open Tray 2. 2. NO Tray Close to Inner Position 1. Write RISC code to related disc reading procedure YES Recieve OPEN/CLOSE Key? Judge whether have disc and disc type 2. NO 1. Jump to SDRAM 3.
Execute Pressed Key & IR Key 2. System operation Routine Loop 1. System operation flow Power On 1. 8032 initializes SERVO,DSP & RISC registers 2. Reset RISC Show LOGO YES Tray Closed ? NO SLED Moves to Closed position YES SLED at Inner Side ? Display tray open message & LOGO YES YES Receive CLOSE Key? 3-3 Stop Playback & Open Tray 2. 2. NO Tray Close to Inner Position 1. Write RISC code to related disc reading procedure YES Recieve OPEN/CLOSE Key? Judge whether have disc and disc type 2. NO 1. Jump to SDRAM 3.
Service Manual
Page 14
.... 4. Connect to PC RS232 Cable and update the FLASH memory code. YES Update FLASH successfully? 3. Check system reset circuit. 3. Check RS232 SIGNALS. 5. Switch on the Power PCBA YES Are the DC Voltage outputs OK? (5V, 3.3V, 12V, 5.6V MOTOR) NO Repair or Replace Power PCBA YES Make sure the main PCBA don't short on VCCs and switch it on NO main PCBA? Check 27MHz system clock...
.... 4. Connect to PC RS232 Cable and update the FLASH memory code. YES Update FLASH successfully? 3. Check system reset circuit. 3. Check RS232 SIGNALS. 5. Switch on the Power PCBA YES Are the DC Voltage outputs OK? (5V, 3.3V, 12V, 5.6V MOTOR) NO Repair or Replace Power PCBA YES Make sure the main PCBA don't short on VCCs and switch it on NO main PCBA? Check 27MHz system clock...
Service Manual
Page 15
... the cable connection between FLASH & MT1389D and the FLASH access time whether is damaged. YES NO Flash Memory operates properly? Check AV cable connection to TV set. NO signal? NO Check connection lines between main PCBA and loader. MT1389D VIDEO outputs NO properly? NO YES Check the filtering and amp circuit of MT1389D. Does Tray move inside when NO it is not at closed...
... the cable connection between FLASH & MT1389D and the FLASH access time whether is damaged. YES NO Flash Memory operates properly? Check AV cable connection to TV set. NO signal? NO Check connection lines between main PCBA and loader. MT1389D VIDEO outputs NO properly? NO YES Check the filtering and amp circuit of MT1389D. Does Tray move inside when NO it is not at closed...
Service Manual
Page 16
... related circuit of STBY signal. Check the cable connection with pick-up head. 3-6 SL+ and SL- YES Do not put in disc and tray close. YES Proper FOSO outputs NO Check FOSO connection on motor dirver. outputs? Is FMSO DC Level higher NO than 1.4V? MT1389D and motor dirver. B Does the SLED move to motor driver? output NO Check the amp...
... related circuit of STBY signal. Check the cable connection with pick-up head. 3-6 SL+ and SL- YES Do not put in disc and tray close. YES Proper FOSO outputs NO Check FOSO connection on motor dirver. outputs? Is FMSO DC Level higher NO than 1.4V? MT1389D and motor dirver. B Does the SLED move to motor driver? output NO Check the amp...
Service Manual
Page 17
... motor driver. YES Check cable connection between spindle and main PCBA. 3-7 Check DMSO related circuit on when reading disc? output properly? Check the related circuit on MT1389D and connecting to power transistor. MT1389D RFL signal. YES Check LDO1 & LDO2 signal Does spindle rotate? YES NO LD01 or LD02 output properly? NO Check the laser power circuit on laser power transistor Put disc in? YES Disc...
... motor driver. YES Check cable connection between spindle and main PCBA. 3-7 Check DMSO related circuit on when reading disc? output properly? Check the related circuit on MT1389D and connecting to power transistor. MT1389D RFL signal. YES Check LDO1 & LDO2 signal Does spindle rotate? YES NO LD01 or LD02 output properly? NO Check the laser power circuit on laser power transistor Put disc in? YES Disc...
Service Manual
Page 18
... motor driver. Disc is play ? D Focus ON OK? YES Check FOSO signal on pick-up head. Check cable connection on MT1389D Track On OK? YES Properly TRSO signal on MT1389D and motor dirver. YES Check the related circuit on MT1389D Check the TRSO connection on NO MT1389D? T+ & T- NO YES Check the tracking control amp circuit on A, B, C, NO Check connections between...
... motor driver. Disc is play ? D Focus ON OK? YES Check FOSO signal on pick-up head. Check cable connection on MT1389D Track On OK? YES Properly TRSO signal on MT1389D and motor dirver. YES Check the related circuit on MT1389D Check the TRSO connection on NO MT1389D? T+ & T- NO YES Check the tracking control amp circuit on A, B, C, NO Check connections between...
Service Manual
Page 19
YES NO Audio DAC received NO correct data stream? NO YES Check Audio filter,amplify,mute circuit. Check connection between IR.VFD Front panel key & NO MT1389D is normally? TEST END Check the cable connection on MT1389D. YES Normal Audio DAC out? Check the related circuit of Audio DAC. YES Check communication lines on Front panel. 3-9 YES Communications between MT1389D & Audio DAC. Normal IR.VFD & Front NO panel key functions? E Normal Audio output when disc playback?
YES NO Audio DAC received NO correct data stream? NO YES Check Audio filter,amplify,mute circuit. Check connection between IR.VFD Front panel key & NO MT1389D is normally? TEST END Check the cable connection on MT1389D. YES Normal Audio DAC out? Check the related circuit of Audio DAC. YES Check communication lines on Front panel. 3-9 YES Communications between MT1389D & Audio DAC. Normal IR.VFD & Front NO panel key functions? E Normal Audio output when disc playback?
Service Manual
Page 20
FIG 1-1 Reset Time FIG 1-2 3-10 3.3VA PWR_CTL RESET SYSTEM 27MHz CLOCK, RESET, FLASH R/W SIGNAL. 1) MT1389D main clock is at 27MHz(X501) 1.0V, 27MHz 2) MT1389D reset is low active. DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 1.
FIG 1-1 Reset Time FIG 1-2 3-10 3.3VA PWR_CTL RESET SYSTEM 27MHz CLOCK, RESET, FLASH R/W SIGNAL. 1) MT1389D main clock is at 27MHz(X501) 1.0V, 27MHz 2) MT1389D reset is low active. DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 1.
Service Manual
Page 22
TRAY OPEN/CLOSE SIGNAL FIG 2-1 FIG 3-1 3-12 TRIN TROUT TRCLOSE TROPEN SDRAM CLOCK DCLK = 128MHz, Vp-p=2.2, Vmax=2.7V 3. 2.
TRAY OPEN/CLOSE SIGNAL FIG 2-1 FIG 3-1 3-12 TRIN TROUT TRCLOSE TROPEN SDRAM CLOCK DCLK = 128MHz, Vp-p=2.2, Vmax=2.7V 3. 2.
Service Manual
Page 24
DISC TYPE JUDGEMENT WAVEFORM F+ FE RFL FIG 7-1(DVD) 3-14 6. LASER POWER CONTROL RELATED SIGNAL(NO DISC CONDITION) DCLK = 128MHz, Vp-p=2.2, Vmax=2.7V MDI1(0V/180mV) LD01(3.3V//2.3V) LD02(3.3V/2.3V) FIG 6-1 7.
DISC TYPE JUDGEMENT WAVEFORM F+ FE RFL FIG 7-1(DVD) 3-14 6. LASER POWER CONTROL RELATED SIGNAL(NO DISC CONDITION) DCLK = 128MHz, Vp-p=2.2, Vmax=2.7V MDI1(0V/180mV) LD01(3.3V//2.3V) LD02(3.3V/2.3V) FIG 6-1 7.
Service Manual
Page 31
Overall Block Diagram CVBS 3-21 DISC SPINDLE M MOTOR PICK UP LOADING SLED MOTOR(FEEDING) MOTOR MM DVD : A,B,C,D,RF0 CD : A,B,C,D,E,F,RF0 MDI1 LD01,LD01,V20 PICK_SEL, VR_CD,VR_DVD ROMAD[0: 19] ROMRD RROOMMDWARTA[0:7] V33AIC502 MX29LV800T/B 1M 8BIT FLASH ROM VD18A/VD33A... CASJ RASJ IOA OPU_SEL LOAD[+,-] SL[+,-] SPE[+,-] F[+,-] T[+,-] 5.6VA IC201 IP9008 OP+,OPLIMIT TRIN TROUT VD18A TROPEN ,TRCLOSE,FOSO,TRSO,FMSO,DMSO STBY POWCTL H 5V 12V POWER AC 90V~240V 50HZ/60Hz 3.3V BOARD 5.6VA 3.3VA DIG901 LED IC501 MTK 1389D RXD 5V IC901 LED DRIVER KEY Input 27MHz D2_T[1:3] SCART_16:9 ...
Overall Block Diagram CVBS 3-21 DISC SPINDLE M MOTOR PICK UP LOADING SLED MOTOR(FEEDING) MOTOR MM DVD : A,B,C,D,RF0 CD : A,B,C,D,E,F,RF0 MDI1 LD01,LD01,V20 PICK_SEL, VR_CD,VR_DVD ROMAD[0: 19] ROMRD RROOMMDWARTA[0:7] V33AIC502 MX29LV800T/B 1M 8BIT FLASH ROM VD18A/VD33A... CASJ RASJ IOA OPU_SEL LOAD[+,-] SL[+,-] SPE[+,-] F[+,-] T[+,-] 5.6VA IC201 IP9008 OP+,OPLIMIT TRIN TROUT VD18A TROPEN ,TRCLOSE,FOSO,TRSO,FMSO,DMSO STBY POWCTL H 5V 12V POWER AC 90V~240V 50HZ/60Hz 3.3V BOARD 5.6VA 3.3VA DIG901 LED IC501 MTK 1389D RXD 5V IC901 LED DRIVER KEY Input 27MHz D2_T[1:3] SCART_16:9 ...
Service Manual
Page 34
MPEG & MEMORY Block Diagram 3-24 KARAOKE BOARD IC509 OP Amp IC508 A/D Con. (Karaoke) IC503 SDRAM 16M ACLK,ABCK ALRCK AMDAT DQM0,DQM1 DQ[0:15] DCLK,WE,CAS,RAS CS,DCKE,MA[0:10] IC505 RESET RESET IC IC501 (MPEG + DSP + RF) MT1389C SCL,SDA IC506 EEPROM Y2(Y),Y3(Color) Y4(Y),Y5(Cb),Y6(Cr) ASPECT(16:9) VIDEO Interface AMUTE,DMUTE AL,AR ASPDIF AUDIO Interface DIN DOUT PWR,PCE,PRD A[0:20] AD[0:7] X501 27MHz LED DRIVE IC IC502 FLASH MEMORY (8 M ) 4.
MPEG & MEMORY Block Diagram 3-24 KARAOKE BOARD IC509 OP Amp IC508 A/D Con. (Karaoke) IC503 SDRAM 16M ACLK,ABCK ALRCK AMDAT DQM0,DQM1 DQ[0:15] DCLK,WE,CAS,RAS CS,DCKE,MA[0:10] IC505 RESET RESET IC IC501 (MPEG + DSP + RF) MT1389C SCL,SDA IC506 EEPROM Y2(Y),Y3(Color) Y4(Y),Y5(Cb),Y6(Cr) ASPECT(16:9) VIDEO Interface AMUTE,DMUTE AL,AR ASPDIF AUDIO Interface DIN DOUT PWR,PCE,PRD A[0:20] AD[0:7] X501 27MHz LED DRIVE IC IC502 FLASH MEMORY (8 M ) 4.