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Zenith ZDA311 Service Manual

Zenith ZDA311 - Slim Progressive Scan DVD Manual

UPC - 044642701901

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Zenith ZDA311 | 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
Zenith ZDA311 | Service Manual - Page 2
CONTENTS SECTION 1 . . . .SUMMARY SECTION 2 . . . .CABINET & MAIN CHASSIS SECTION 3 . . . .ELECTRICAL SECTION 4 . . . .REPLACEMENT PARTS LIST
Zenith ZDA311 | 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
Zenith ZDA311 | Service Manual - Page 4
SERVICE ORGANIZATION REVIEW TEST PROCEDURES SO THAT VOLTAGE REGULATION IS ALWAYS CHECKED AS A STANDARD SERVICING PROCEDURE. AND THAT THE HIGH VOLTAGE READING BE RECORDER ON EACH CUSTOMER'S INVOICE. 5. WHEN TROUBLESHOOTING AND MAKING TEST MEASUREMENTS IN A PRODUCT WITH A PROBLEM INSTRUCTIONS SPECIFIC
Zenith ZDA311 | Service Manual - Page 5
is not required. 4. Do not defeat any plug/socket B+ voltage interlocks with whitch instruments covered by this service manual might be equipped. 5. Do not apply AC power to this DVD and/or any of its electrical assemblies unless all solid-state device heat sinks are cerrectly installed. 6. Always
Zenith ZDA311 | 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 laser, wavelength 650 nm PAL / NTSC DVD (PCM 96 kHz): 8 Hz to 44 kHz DVD (PCM 48 kHz): 8 Hz to 22
Zenith ZDA311 | Service Manual - Page 7
SECTION 2 CABINET & MAIN CHASSIS CONTENTS EXPLODED VIEWS ...2-2 1. Cabinet and Main Frame Section 2-2 2. Deck Mechanism Section(DP-9 2-3 3. Packing Accessory Section ...2-4 2-1
Zenith ZDA311 | Service Manual - Page 8
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
Zenith ZDA311 | Service Manual - Page 9
2. Deck Mechanism Section(DP-9) A00 439 018 014 013 017 001 002 003 A01 A02 020 012 019 026 435 015B 015 015A 440 012 016 432 030 012A 010 024 025 036 431 435 012A A03 021 035 430 035A 438 2-3
Zenith ZDA311 | Service Manual - Page 10
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
Zenith ZDA311 | Service Manual - Page 11
SECTION 3 ELECTRICAL CONTENTS ELECTRICAL TROUBLESHOOTING GUIDE 3-2 1. Power check flow...3-2 2. System operation flow ...3-3 3. Test SERVO Block Diagram ...3-23 4. MPEG & MEMORY Block Diagram 3-24 5. VIDEO & AUDIO Block Diagram 3-25 CIRCUIT DIAGRAMS ...3-26 1. Power(SMPS) Circuit DIAGRAM 3-26 2.
Zenith ZDA311 | Service Manual - Page 12
ELECTRICAL TROUBLESHOOTING GUIDE 1. Power check flow A. No 5V B. No 3.4VA. NO Is 3.4VA section working? YES Is 5.6V present at collector of Q126? YES Replace Q126. No 3.4VA
Zenith ZDA311 | Service Manual - Page 13
2. System operation flow Power On 1. 8032 initializes SERVO,DSP & RISC registers 2. Write RISC code to SDRAM 3. Reset RISC Show LOGO YES Tray Closed ? NO Tray Close to Closed position YES SLED at Inner Side ? NO SLED Moves to Inner
Zenith ZDA311 | Service Manual - Page 14
DC outputs normal on NO main PCBA? YES Check the regulators or related diodes. Connect to PC RS232 Cable and update the FLASH memory code. YES Update FLASH successfully? YES A NO 1. Check 27MHz system clock. 2. Check system reset circuit. 3. Check FLASH R/W enable signal PRD,RWR. 4. Check RS232
Zenith ZDA311 | Service Manual - Page 15
A Show LOGO? YES NO Flash Memory operates properly? NO Check connection lines between FLASH & MT1389D and the FLASH access time whether is suitable or not. YES SDRAM works properly? NO YES Check connection lines between SDRAM & MT1389D and the SDRAM is damaged. MT1389D VIDEO outputs NO
Zenith ZDA311 | Service Manual - Page 16
B Does the SLED move to inner side when it is at outer NO position? YES Motor Driver STBY Pin is NO High? YES Check the connection line of STBY signal. Is FMSO DC Level higher NO than 1.4V? YES Check the related circuit of FMSO. SL+ and SL- output NO Check the amp circuit on properly?
Zenith ZDA311 | Service Manual - Page 17
C Laser turns on when reading disc? YES NO LD01 or LD02 output properly? NO Check the laser power circuit on MT1389D and connecting to power transistor. YES Collector voltage of NO power transistor is OK? YES Check cable connection between transistor ouput and pick-up head. Check the
Zenith ZDA311 | Service Manual - Page 18
D Focus ON OK? YES NO Proper signals on A, B, C, NO Check connections between D of MT1389D MT1389D and pick-up head. YES Check FEO signal on MT1389D NO Check the FOSO connection on MT1389D and motor driver. YES Check FOSO signal on MT1389D Track On OK? YES NO Normal TEO Signal on NO
Zenith ZDA311 | Service Manual - Page 19
DAC received NO correct data stream? YES Normal Audio DAC out? NO YES Check Audio filter,amplify,mute circuit. Check connection between MT1389D & Audio DAC. Check the related circuit of Audio DAC. Normal IR.VFD & Front NO panel key functions? YES Communications between IR.VFD Front panel
Zenith ZDA311 | Service Manual - Page 20
DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 1. 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. FIG 1-1 Reset Time FIG 1-2 3-10 3.3VA PWR_CTL RESET
Zenith ZDA311 | Service Manual - Page 21
3) RS232 waveform during procedure(Downloading) TXD RXD FIG 1-3 4) Flash R/W enable signal during download(Downloading) PRD PWR FIG 1-4 3-11
Zenith ZDA311 | Service Manual - Page 22
2. SDRAM CLOCK DCLK = 128MHz, Vp-p=2.2, Vmax=2.7V 3. TRAY OPEN/CLOSE SIGNAL FIG 2-1 FIG 3-1 3-12 TRIN TROUT TRCLOSE TROPEN
Zenith ZDA311 | Service Manual - Page 23
4. SLED CONTROL RELATED SIGNAL (NO DISC CONDITION) FMSO(1.9V/1.4V/1.1V) STBY(3.3V) SL+(4.2V/2.8V/1.2V) SL-(4.2V/2.8V/1.5V) FIG 4-1 5. LENS CONTROL RELATED SIGNAL(NO DISC CONDITION) FIG 5-1 3-13 FOSO(1.5V/1.4V/1.3V) F+(3.2V/2.7V/2.2V) F-(3.2V/2.7V/2.2V)
Zenith ZDA311 | Service Manual - Page 24
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
Zenith ZDA311 | Service Manual - Page 25
F+ FE RFL FIG 7-2 (DVD) F+ FE RFL FIG 7-3 (CD) 3-15
Zenith ZDA311 | Service Manual - Page 26
F+ FE RFL 8. FOCUS ON WAVEFORM FIG 7-4 (CD) FE FOSO F+ F- FIG 8-1 (DVD) 3-16
Zenith ZDA311 | Service Manual - Page 27
FE FOSO F+ F- FIG 8-2 (CD) 9) SPINDLE CONTROL WAVEFORM (NO DISC CONDITION) DMSO(1.4V/1.8V) SP-(3.6V/2.4V) SP+(3.6V/4.8V) FIG 9-1 3-17
Zenith ZDA311 | Service Manual - Page 28
10. TRACKING CONTROL RELATED SIGNAL(System checking) TE TRSO T+ T- FIG 10-1 (DVD) TE TRSO T+ T- FIG 10-2 (CD) 3-18
Zenith ZDA311 | Service Manual - Page 29
11. MT1389D AUDIO OPTICAL AND COAXIAL OUTPUT (SPDIF) FIG 11-1 12. MT1389D VIDEO OUTPUT WAVEFORM 1) 100% TE TRSO T+ T- FIG 12-1 3-19
Zenith ZDA311 | Service Manual - Page 30
2) COMPOSITE VIDEO SIGNAL FIG 13-2 13. AUDIO OUTPUT FROM AUDIO DAC FIG 13-1 3-20
Zenith ZDA311 | Service Manual - Page 31
BLOCK DIAGRAMS 1. 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
Zenith ZDA311 | Service Manual - Page 32
2. Power(SMPS) Block Diagram RECTIFIER(14V) LPF 12V TRANS SWITCHING IC FILTER 3-22 RECTIFIER(5.6V) LPF RECTIFIER(9.5V) 5V T/ W WITH 1389D WITH 1389C REG. 5.6V(M) / 5.6VA 8V RECTIFIER(3.4V) LPF FEED B. PWR CTL 3.4VA 3.2V RECTIFIER AC100~240V
Zenith ZDA311 | Service Manual - Page 33
3. SERVO Block Diagram 3-23 PICK UP M/D AL PC LD0 1, LDO 2, IOA MDI 1 V20, PICKSEL DVD: A,B,C,D, RFO CD: A,B,C,D, E, F,RFO X501 27MHz X-TAL IC501 MT1389D DVDPLAYER ONE CHIP LIMIT,TRIN,TROUT F+, F-, T+, T- SP+, SPSL+, SLLOAD+, LOAD- IC201 IP9008 Motor Driver ADIN FOSO,TRSO,
Zenith ZDA311 | Service Manual - Page 34
(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 )
Zenith ZDA311 | Service Manual - Page 35
MPEG IC604 VIDEO 6dB Amp CVBS COMPONENT (R.G.B) / (Y.Pb.Pr ) SUPER VIDEO (Y/C) IC601 (OP Amp) LPF&Buffer AUDIO 'L' AUDIO 'R' A/V JACK MPEG DAC RESET ACLK SCL SDA ADATA1 ADATA2 ADATA3 5.1CH BOARD IC301 AUDIO DAC (5.1CH) IC302 (OP Amp) LPF&Buffer IC303 (OP Amp) LPF&Buffer IC304 (OP Amp) LPF
Zenith ZDA311 | Service Manual - Page 36