Related Manuals for Zenith DV140
Summary of Contents for Zenith DV140
- Page 1 DVD VIDEO PLAYER SERVICE MANUAL MODEL : DV140(DV140PD) CAUTION BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS” IN THIS MANUAL. FEBRUARY,2006 P/NO : 3829RHP053L...
- Page 2 CONTENTS SECTION 1 ..SUMMARY SECTION 2 ..CABINET & MAIN CHASSIS SECTION 3 ..ELECTRICAL SECTION 4 ..REPLACEMENT PARTS LIST...
-
Page 3: Table Of Contents
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... -
Page 4: Product Safety Servicing Guidelines For Video Products
PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS CAUTION : DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY, SUBJECT : X-RADIATION NEVER PERFORM CUSTOMIZED INSTALLATIONS WITHOUT MANUFAC- 1. BE SURE PROCEDURES AND INSTRUCTIONS TO ALL SERVICE PER- TURER’S APPROVAL. UNAUTHORIZED MODIFICATIONS WILL NOT ONLY SONNEL COVER THE SUBJECT OF X-RADIATION. -
Page 5: Servicing Precautions
SERVICING PRECAUTIONS CAUTION : Before servicing the DVD covered by this service Electrostatically Sensitive (ES) Devices data and its supplements and addends, read and follow the Some semiconductor (solid state) devices can be damaged SAFETY PRECAUTIONS. NOTE : if unforeseen circum- easily by static electricity. -
Page 6: Specifications
SPECIFICATIONS • GENERAL Power requirements: AC 110-240 V , 50/60 Hz Power consumption: Dimensions (Approx.): 360 x 35 x 242 mm (W x H x D) without foot Weight (Approx.): 1.7 kg Operating temperature: 5 °C to 35 °C (41 °F to 95 °F) Operating humidity: 5 % to 90 % •... - 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...
-
Page 8: Exploded Views
EXPLODED VIEWS 1. Cabinet and Main Frame Section... -
Page 9: Deck Mechanism Section(Dp-9)
2. Deck Mechanism Section(DP-9) 015B 015A 012A 012A 035A... -
Page 10: Packing Accessory Section
3. Packing Accessory Section RF CABLE 810 CABLE SET ASS’Y PLUG ASS’Y 1WAY(YELLOW) AC ADAPTOR PLUG ASS’Y 2WAY BATTERY PLUG ASS’Y 1WAY(BLACK) REMOCON OWNER’S MANUAL PACKING SHEET PACKING PACKING BOX CARTON OPTIONAL PARTS... - 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 & debug flow ........................3-4 DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING ....3-10 1. SYSTEM 27MHz CLOCK, RESET, FLASH R/W SIGNAL.............3-10 2.
-
Page 12: Electrical Troubleshooting Guide
ELECTRICAL TROUBLESHOOTING GUIDE 1. Power check flow No 5V No 3.4VA. Is 3.4VA section working? Is 3.4VA section working? Is 5.6V present at collector Is 3.4V present at emitter No 3.4VA of Q126? of Q121? Replace Q126. Check FR101 Replace Q121. Check D105/D106/D107/ Is there a DC voltage at Cathode of D105 or D107? -
Page 13: System Operation Flow
2. System operation flow Power On 1. 8032 initializes SERVO,DSP & RISC registers 2. Write RISC code to SDRAM 3. Reset RISC Show LOGO Tray Closed ? Tray Close to Closed position SLED at Inner Side ? SLED Moves to Inner Position 1. -
Page 14: Test & Debug Flow
3. Test & debug flow TEST Check the AC Voltage Replace power PCBA or AC transformer. Power PCBA(110V or 220V) Switch on the Power PCBA Is the DC Voltage outputs OK? Repair or Replace Power PCBA (5V, 3.3V, 12V, 5.6V MOTOR) Make sure the main PCBA don't short on VCCs and switch it on. - Page 15 Check connection lines between Flash Memory operates Show LOGO? FLASH & MT1389D and the FLASH properly? access time whether is suitable or not. Check connection lines SDRAM works properly? between SDRAM & MT1389D and the SDRAM is damaged. MT1389D VIDEO outputs Check the related circuit of properly? MT1389D.
- Page 16 Does the SLED move to Motor Driver STBY Pin is Check the connection line of inner side when it is at outter High? STBY signal. position? Is FMSO DC Level higher Check the related circuit of than 1.4V? FMSO. SL+ and SL- output Check the amp circuit on properly? motor driver.
- Page 17 Check the laser power circuit Laser turns on when LD01 or LD02 output on MT1389D and connecting reading disc? properly? to power transistor. Collector voltage of Check the related circuit on power transistor is OK? laser power transistor Check cable connection between transistor ouput and pick-up head.
- Page 18 Proper signals on A, B, C, Check connections between Focus ON OK? D of MT1389D MT1389D and pick-up head. Check the FOSO connec- Check FEO signal on tion on MT1389D and MT1389D motor driver. Check FOSO signal on MT1389D Normal TEO Signal on Check the related Track On OK? MT1389D?
- Page 19 Normal Audio output Audio DAC received Check connection between when disc playback? correct data stream? MT1389D & Audio DAC. Check the related circuit of Normal Audio DAC out? Audio DAC. Check Audio filter,amplify,mute circuit. Communications between Normal IR.VFD & Front Check communication lines IR.VFD Front pannel key &...
-
Page 20: Details And Waveforms On System Test And Debugging
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 FIG 1-1 2) MT1389D reset is low active. 3.3VA PWR_CTL RESET Reset Time FIG 1-2 3-10... - Page 21 3) RS232 waveform during procedure(Downloading) FIG 1-3 4) Flash R/W enable signal during download(Downloading) FIG 1-4 3-11...
-
Page 22: Sdram Clock
2. SDRAM CLOCK DCLK = 128MHz, Vp-p=2.2, Vmax=2.7V FIG 2-1 3. TRAY OPEN/CLOSE SIGNAL TRIN TROUT TRCLOSE TROPEN FIG 3-1 3-12... -
Page 23: Sled Control Related Signal(No Disc Condition)
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) FOSO(1.5V/1.4V/1.3V) F+(3.2V/2.7V/2.2V) F-(3.2V/2.7V/2.2V) FIG 5-1 3-13... -
Page 24: Laser Power Control Related Signal(No Disc Condition)
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 FIG 7-1(DVD) 3-14... - Page 25 FIG 7-2 (DVD) FIG 7-3 (CD) 3-15...
-
Page 26: Focus On Waveform
FIG 7-4 (CD) 8. FOCUS ON WAVEFORM FOSO FIG 8-1 (DVD) 3-16... -
Page 27: Spindle Control Waveform
FOSO 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... -
Page 28: Tracking Control Related Signal(System Checking)
10. TRACKING CONTROL RELATED SIGNAL(System checking) TRSO FIG 10-1 (DVD) TRSO FIG 10-2 (CD) 3-18... -
Page 29: Mt1389D Audio Optical And Coaxial Output (Spdif)
11. MT1389D AUDIO OPTICAL AND COAXIAL OUTPUT (SPDIF) FIG 11-1 12. MT1389D VIDEO OUTPUT WAVEFORM 1) 100% TRSO FIG 12-1 3-19... -
Page 30: Audio Output From Audio Dac
2) COMPOSITE VIDEO SIGNAL FIG 13-2 13. AUDIO OUTPUT FROM AUDIO DAC FIG 13-1 3-20... -
Page 31: Block Diagrams
BLOCK DIAGRAMS 1. Overall Block Diagram CVBS 3-21... -
Page 32: Power(Smps) Block Diagram
2. Power(SMPS) Block Diagram TRANS SWITCHING IC AC100~240V FILTER RECTIFIER 3-22... -
Page 33: Servo Block Diagram
3. SERVO Block Diagram 3-23... -
Page 34: Mpeg & Memory Block Diagram
4. MPEG & MEMORY Block Diagram 3-24... -
Page 35: Video & Audio Block Diagram
5. VIDEO & AUDIO Block Diagram 3-25... -
Page 36: Circuit Diagrams
CIRCUIT DIAGRAMS IMPORTANT SAFETY NOTICE CUIT. SPECIAL COMPONENTS ARE SHADED ON THE NOTE : SCHEMATIC FOR EASY IDENTIFICATION. 1. Shaded( ) parts are critical for safety. Replace only WHEN SERVICING THIS CHASSIS, UNDER NO CIR- THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIF- with specified part number. -
Page 37: Av/Jack Circuit Diagram
2. AV/JACK CIRCUIT DIAGRAM 3-28 3-29... -
Page 38: System Circuit Diagram
3. SYSTEM CIRCUIT DIAGRAM 3-30 3-31... -
Page 39: Driver Circuit Diagram
4. DRIVER CIRCUIT DIAGRAM CD/DVD LD will not on 3-32 3-33... -
Page 40: Timer Circuit Diagram
5. TIMER CIRCUIT DIAGRAM 3-34 3-35... -
Page 41: Circuit Voltage Chart
• CIRCUIT VOLTAGE CHART MODE MODE MODE MODE MODE MODE MODE MODE MODE STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. -
Page 42: Printed Circuit Diagrams
PRINTED CIRCUIT DIAGRAMS 1. MAIN P.C.BOARD LOCATION GUIDE 3-38 3-39... -
Page 43: Key P.c.board
2. KEY P.C.BOARD 3. TIMER P.C.BOARD ( 3 TOOL ONLY ) ( 3 TOOL ONLY ) ( TOP VIEW ) (BOTTOM VIEW ) LOCATION GUIDE LOCATION GUIDE LOCATION GUIDE ( 4 TOOL ONLY ) ( 4 TOOL ONLY ) ( TOP VIEW ) (BOTTOM VIEW ) ( 6 TOOL ONLY ) ( 6 TOOL ONLY ) -
Page 44: Smps P.c.board
4. SMPS P.C.BOARD ( 360mm ONLY ) ( 430mm ONLY ) LOCATION GUIDE 3-42 3-43... - Page 46 Flash memory, you must order respect to risk of fire or electrical " IC502A " shock. SECTION REPLACEMENT PARTS LIST MODEL : DV140(DV140PD NA4MLL)LGEML RUN DATE : 21-FEBRUARY-06 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS *** INDIVIDUAL PARTS ***...
- Page 47 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS SW901 6600R000028 SWITCH,TACT TSHB-2V HUA JIE 12VDC DC 50MA SW901 6600R000039 SWITCH,TACT TSTVB-2-3.85 HUA JIE NONE . TS ALTERNATE *** CABLE ASSEMBLY *** 6851R-0074B CABLE ASSEMBLY 1WAY YELLOW 1.2M + 2WAY R/W 1. 6850R-PAA2F CABLE,COAXIAL 1 WAY COAXIAL DT_HY_HIT_SEIL...
- Page 48 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS IC103 0IKE431000A IC,LINEAR KIA431 3 PIN TP - - IC103 0ISS431000A IC,LINEAR KA431AZ (LM431AZ) - - - - ALTERNATE IC103 0IPMGA0012A IC,POWER MANAGEMENT AZ431 AAC T0-92 FORMING TYPE T ALTERNATE L101 6140RCC003J COIL,RF 4.7 MH PEAKING COIL OWA 67 X 7...
- Page 49 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS 3210R-M007A FRAME DP-9 UP/DOWN MOLD 3040R-M062A BASE MAIN DP-9 MOLD 1SZZR-0011A SCREW,DRAWING MACHINE 1SZZR-0075A SCREW,DRAWING + 1 D1.7 L10.0 SWRCH18A/FZW DP 1SZZH-1007B SCREW,DRAWING + D2.0 6MM SWRCH16A/ZNBK 4MM 1 015A 4680R-E008A MOTOR(MECH) FEEDING RF-300EA-1D390 MABUCHI 015B...
- Page 50 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS C606 0CE2264F638 CAPACITOR,FIXED ELECTROLYTIC 22UF SRA,SS 16V 20% FM5 TP 5 C607 0CE2264F638 CAPACITOR,FIXED ELECTROLYTIC 22UF SRA,SS 16V 20% FM5 TP 5 C608 0CE1054K638 CAPACITOR,FIXED ELECTROLYTIC 1UF SRA,SS 50V 20% FM5 TP 5 C609 0CE1054K638 CAPACITOR,FIXED ELECTROLYTIC...
- Page 51 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS C507 0CH1104K942 CAPACITOR,FIXED CERAMIC(TEMP.C 0.1UF 50V 80%,-20% Y5V(F) 1608 C508 0CH4200K412 CAPACITOR,FIXED CERAMIC(HIGH D 20PF 50V 5% NP0 1608 R/TP C511 0CH1102K562 CAPACITOR,FIXED CERAMIC(TEMP.C 1000PF 50V 10% X7R(X) 1608 R/T C512 0CH1104K942 CAPACITOR,FIXED CERAMIC(TEMP.C 0.1UF 50V 80%,-20% Y5V(F) 1608...
- Page 52 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS C576 0CH1104K942 CAPACITOR,FIXED CERAMIC(TEMP.C 0.1UF 50V 80%,-20% Y5V(F) 1608 C577 0CH1104K942 CAPACITOR,FIXED CERAMIC(TEMP.C 0.1UF 50V 80%,-20% Y5V(F) 1608 C578 0CH1104K942 CAPACITOR,FIXED CERAMIC(TEMP.C 0.1UF 50V 80%,-20% Y5V(F) 1608 C580 0CH1104K942 CAPACITOR,FIXED CERAMIC(TEMP.C 0.1UF 50V 80%,-20% Y5V(F) 1608 C581 0CH1104K942...
- Page 53 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS Q600 0TRON80008A TRANSISTOR,BIPOLARS MSA1162YT1G ON SEMI(MOTOROLA) ALTERNATE Q601 0TR387509AC TRANSISTOR,BIPOLARS CHIP KTC3875S-GR-T1(ALG) TP KE Q601 0TRAU80017A TRANSISTOR,BIPOLARS 2SC5343SG AUK KOREA R/TP SOT23 ALTERNATE Q601 0TRON80009A TRANSISTOR,BIPOLARS BC846ALT1 ON SEMI(MOTOROLA) R/ ALTERNATE Q602 0TR387509AC TRANSISTOR,BIPOLARS...
- Page 54 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS R538 0RH0682C622 RESISTOR,METAL GLAZED(CHIP) 68 OHM 1 / 16 W 1608 5.00% D R539 0RH1001C622 RESISTOR,METAL GLAZED(CHIP) 1K OHM 1 / 16 W 1608 5.00% D R540 0RH1002C622 RESISTOR,METAL GLAZED(CHIP) 10K OHM 1 / 16 W 1608 5.00% D R541 0RH1002C622 RESISTOR,METAL GLAZED(CHIP)