Zenith DVT316 Series Service Manual Download Page 2

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SECTION 1. GENERAL

• SERVICING PRECAUTIONS....................................................................................................... 1-2

• ESD PRECAUTIONS ................................................................................................................... 1-4

• SPECIFICATIONS........................................................................................................................ 1-5

• LOCATION OF CUSTOMER CONTROLS................................................................................... 1-6

SECTION 2. AUDIO PART

• BLOCK DIAGRAM........................................................................................................................ 2-1

• SCHEMATIC DIAGRAMS ............................................................................................................ 2-3

• WIRING DIAGRAM .................................................................................................................... 2-15

• VOLTAGE SHEET (IC&TR) ........................................................................................................ 2-17

• PRINTED CIRCUIT DIARGAMS ................................................................................................ 2-21

SECTION 3. DVD PART

• DVD PART ELECTRICAL TROUBLESHOOTING GUIDE .......................................................... 3-1

• DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING ...................................... 3-8

• DVD PART SCHEMATIC DIAGRAMS ........................................................................................ 3-21

• VOLTAGE SHEET (IC & TR) ...................................................................................................... 3-27

• PRINTED CIRCUIT DIAGRAM ................................................................................................... 3-29

SECTION 4. EXPLODED VIEWS

...................................................................................... 4-1

SECTION 5. SPEAKER PART

.......................................................................................... 5-1

SECTION 6. REPLACEMENT PARTS LIST

..................................................................... 6-1

CONTENTS

Summary of Contents for DVT316 Series

Page 1: ......

Page 2: ...WIRING DIAGRAM 2 15 VOLTAGE SHEET IC TR 2 17 PRINTED CIRCUIT DIARGAMS 2 21 SECTION 3 DVD PART DVD PART ELECTRICAL TROUBLESHOOTING GUIDE 3 1 DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 3 8 DVD P...

Page 3: ...be touched 4 Laser beams may damage the eyes Absolutely never permit laser beams to enter the eyes Also NEVER switch ON the power to the laser output part lens etc of the pick up if it is damaged 5 C...

Page 4: ...lacing a component part first disconnect the power supply lead wire from the unit 2 All equipment measuring instruments and tools must be grounded 3 The workbench should be covered with a conductive s...

Page 5: ...s sufficient to damage ESD devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ESD devices 6 Do not remove a replacement ESD device from its prote...

Page 6: ...1 5 SPECIFICATIONS...

Page 7: ...1 6 LOCATION OF CUSTOMER CONTROLS FRONT PANEL DISPLAY WINDOW...

Page 8: ...1 7 REAR PANEL...

Page 9: ...ON CHECK POWER PLUG AND POWER SUPPLY CIRCUIT DOES INITIAL READ WORK DOES IT PLAY YES NO YES YES OK NO YES NO NO CHECK POWER SUPPLY CIRCUIT CHECK LASER CIRCUIT CHECK TRACKING SERVO CIRCUIT TURN POWER...

Page 10: ...r to SMPS Refer to oscillator Circuit CheckDVDResetWaveform CheckIC101ResetWavefrom Check3 3Vline CheckPowerdectionCircuit Checkpowerpart ofMainB D Checkoscillator ofx101 CheckifPN200 PIN isHigh Check...

Page 11: ...S OK YES CHECK IF THE PN101 PN102 IS OK RECONNECTIT REFER TO NOTICE 1 CHECK IF ALL BUTTENS ARE OK YES CHECK IF THE VOLUME IS OK YES FRONT B D OK YES CHECK IF THE VFD001 PINS ARE OK CHECK PATTERN AND R...

Page 12: ...1 11 4 FRONT CIRCUIT 2 2...

Page 13: ...MEMO 1 12...

Page 14: ...3 1 SECTION 3 DVD PART ELECTRICAL TROUBLESHOOTING GUIDE 1 Power check flow...

Page 15: ...3 2 2 Test debug flow...

Page 16: ...3 3...

Page 17: ...3 4...

Page 18: ...3 5...

Page 19: ...3 6...

Page 20: ...3 7...

Page 21: ...3 8 DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 1 SYSTEM 27MHz CLOCK RESET FLASH R W SIGNAL 1 MT1379 main clock is at 27MHz X501 2 MT1336 reset is high active...

Page 22: ...3 9 3 RS232 waveform during procedure Downloading 4 Flash R W enable signal during download Downloading...

Page 23: ...3 10 2 SDRAM CLOCK 1 MT1379 main clock is at 27MHz X501 3 TRAY OPEN CLOSE SIGNAL 1 Tray open close waveform...

Page 24: ...3 11 2 Tray close waveform 3 Tray open waveform...

Page 25: ...3 12 4 SLED CONTROL RELATED SIGNAL NO DISC CONDITION 5 LENS CONTROL RELATED SIGNAL NO DISC CONDITION...

Page 26: ...3 13 6 LASER POWER CONTROL RELATED SIGNAL NO DISC CONDITION 7 DISC TYPE JUDGEMENT WAVEFORM...

Page 27: ...3 14...

Page 28: ...3 15 8 FOCUS ON WAVEFORM...

Page 29: ...3 16 9 SPINDLE CONTROL WAVEFORM NO DISC CONDITION...

Page 30: ...3 17 10 TRACKING CONTROL RELATED SIGNAL System checking...

Page 31: ...3 18 11 RF WAVEFORM 12 MT1379 AUDIO OPTICAL AND COAXIAL OUTPUT ASPDIF...

Page 32: ...3 19 13 MT1379 VIDEO OUTPUT WAVEFORM 1 Full colorbar signal CVBS 2 Y...

Page 33: ...3 20 3 C 14 AUDIO OUTPUT FORM AUDIO DAC 1 Audio related Signal...

Page 34: ...O O O O O O SPEAKER WOOFER 18P90EHC1391 EAW WOOFER 4 OHM 853 3091RMW058A O O O O O O O CABINET ASSEMBLY SPK LHS D6530W WOOD CABINET 853 3091RMW058B O CABINET ASSEMBLY SPK LHS D6530W CABINET ASSY E 85...

Page 35: ...00WETC01A SPEAKER WOOFER 08P60EHC1390J EAW WOOFER 8 OHM 853 3110RMP019A CASE LHS D6530CV MOLD SILVER SPRAY 854 6871RU9272A PWB PCB ASSEMBLY SUBSET AUDIO LHS D6530V C T TERMINAL 2 2U 855 3610RM0001F FO...

Page 36: ...0EHC3015 EAW FULL RANGE HI 853 3110RMP020A CASE LHS D6530S MOLD SILVER SPRAY 854 6871RU9272A PWB PCB ASSEMBLY SUBSET AUDIO LHS D6530V C T TERMINAL 2 2U 862 353M050D SCREW WOOD DRC 3 5X 12 BK 864 353M0...

Page 37: ...KER WOOFER 08P60EHC1390J EAW WOOFER 8 OHM 853 3110RMP018A CASE LHS D6530V MOLD SILVER SPRAY 854 6871RU9272A PWB PCB ASSEMBLY SUBSET AUDIO LHS D6530V C T TERMINAL 2 2U 862 353M050D SCREW WOOD DRC 3 5X...

Page 38: ...2 1 2 2 SECTION 2 AUDIO PART BLOCK DIAGRAM...

Page 39: ...2 3 2 4 SHEMATIC DIAGRAMS FRONT POWER SCHEMATIC DIAGRAM...

Page 40: ...2 5 2 6 MICOM SCHEMATIC DIAGRAM...

Page 41: ...ng Parts that are shaded are critical With respect to risk of fire or electrical shock NOTE 1 Shaded parts are critical for safety Replace only with specified part number 2 Voltages are DC measured wi...

Page 42: ...2 9 2 10 DAP SCHEMATIC DIAGRAM...

Page 43: ...AMP SCHEMATIC DIAGRAM 2 11 2 12...

Page 44: ...SMPS SCHEMATIC DIAGRAM 2 13 2 14 NOTE Warning Parts that are shaded are critical With respect to risk of fire or electrical shock...

Page 45: ...2 15 2 16 WIRING DIAGRAM NOTE Warning Parts that are shaded are critical With respect to risk of fire or electrical shock...

Page 46: ...7 0 19 3 3V 8 2 2V 12 288MHz 20 3 3V 9 21 10 LRCK 22 11 BCK 23 3 3V 12 ADATA_OUT 24 0 4 IC203 74VHC244MTCX BUFFER IC PIN No Volt V PIN No Volt V 1 0 11 ADATA1 2 0 12 ADATA2 3 LRCK 13 ADATA0 4 14 ADAT...

Page 47: ...AMP IC PIN No Volt V PIN No Volt V PIN No Volt V PIN No Volt V 1 0 10 19 0 28 3 28V 2 CENTER _OUT 11 20 0 29 3 CENTER _OUT 12 31 5V 21 4 89V 30 4 31 5V 13 0 22 4 89V 31 CENTER _IN 5 0 14 0 23 3 3V 32...

Page 48: ...2 21 2 22 PRINTED CIRCUIT DIAGRAMS MAIN P C BOARD SOLDER SIDE...

Page 49: ...2 23 2 24 MAIN P C BOARD COMPONENT SIDE...

Page 50: ...2 25 2 26 FRONT P C BOARD...

Page 51: ...2 27 2 28 SMPS P C BOARD...

Page 52: ...3 21 3 22 DVD PART SCHEMATIC DIAGRAMS MPEG SCHEMATIC DIAGRAM...

Page 53: ...3 24 3 23 SERVO SCHEMATIC DIAGRAM...

Page 54: ...INTERFACE SCHEMATIC DIAGRAM 3 26 3 25...

Page 55: ...3 27 3 28 VOLTAGE SHEET IC TR...

Page 56: ...3 29 3 30 PRINTED CIRCUIT DIAGRAM DVD P C BOARD SOLDER SIDE...

Page 57: ...3 31 3 32 DVD P C BOARD COMPONENT SIDE...

Page 58: ...46 A41 A26 275 266 267 A43 270 272 264 265 250 260 269 305 A47 TUNER 454 454 SECTION 4 EXPLODED VIEWS CABINET AND MAIN FRAME SECTION NOTE Refer to SECTION 6 REPLACEMENT PARTS LIST in order to look for...

Page 59: ...5B 4560R 0008A PULLEY MOTOR 015C 4680R E010A MOTOR MECH FEEDING BCZ3B51 SANKYO FOR DP7 017 4470R 0056A GEAR LOADING 018 4974R 0023A GUIDE UP DOWN 020 3040R D001A BASE MAIN MOLD DP 7AUDIO 021 4680R C01...

Page 60: ...NOB HOME LH D6530 MOLD CONTROL 275 3580RCC034A DOOR CASE HOME LH D6530 MOLD DVD 301 3720RCP025J PANEL AUDIO HOME LH D6530 PRESS COMPO 300 302 3140RCH004A CHASSIS LH D6430 D6530 PRESS 305 6410RCHZ05A P...

Page 61: ...IC 1000UF SHL SD 10V 20 TP 5 FM5 C931 0CE227CF638 CAPACITOR FIXED ELECTROLYTIC 220UF SHL SD 16V 20 FM5 TP 5 C932 0CE108CC618 CAPACITOR FIXED ELECTROLYTIC 1000UF SHL SD 6 3V 20 TP 5 FL C933 0CE2286F610...

Page 62: ...OR FIXED CARBON FILM 47K OHM 1 6 W 5 TA52 R905 0RD4702F609 RESISTOR FIXED CARBON FILM 47K OHM 1 6 W 5 TA52 R906 0RD0102F609 RESISTOR FIXED CARBON FILM 10 OHM 1 6 W 5 TA52 R909 0RS4703K618 RESISTOR FIX...

Page 63: ...42 CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C213 0CE4756K618 CAPACITOR FIXED ELECTROLYTIC 4 7UF SMS SG 50V 20 FL TP 5 C214 0CE4756K618 CAPACITOR FIXED ELECTROLYTIC 4 7UF SMS SG 50V 20...

Page 64: ...TOR ELECTROLYTIC 1 0M SMS 50V M FL TP 5 C509 0CE1056K618 CAPACITOR ELECTROLYTIC 1 0M SMS 50V M FL TP 5 C510 0CE1056K618 CAPACITOR ELECTROLYTIC 1 0M SMS 50V M FL TP 5 C511 0CE1056K618 CAPACITOR ELECTRO...

Page 65: ...H1104K942 CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C608 0CE4766F618 CAPACITOR ELECTROLYTIC 47M SMS 16V M FL TP 5 C609 0CE4776F618 CAPACITOR FIXED ELECTROLYTIC 470UF SMS SG 16V 20 FL T...

Page 66: ...778 0CQ1041N409 CAPACITOR POLYESTER MYLAR 0 1U 100V J POLY TP C779 0CQ2242L439 CAPACITOR POLYESTER 0 22UF S 63V J M PE NI TP C785 0CE106BK638 CAPACITOR FIXED ELECTROLYTIC 10UF KME TYPE 50V 20 FM5 TP 5...

Page 67: ...IRC EMC HB 1M2012 102JT CERATECH TP FB608 6200HJC102A FILTER CIRC EMC HB 1M2012 102JT CERATECH TP FB609 6200HJC102A FILTER CIRC EMC HB 1M2012 102JT CERATECH TP FB610 6200HJC102A FILTER CIRC EMC HB 1M2...

Page 68: ...KTC3198 Y KTC1815 KEC Q505 0TR319800AC TRANSISTOR KTC3198 Y KTC1815 KEC Q971 0TR128109AA TRANSISTOR KTA1281Y TP KEC TO 92L Q972 0TR320509AB TRANSISTOR KTC3205 TP Y KTC2236A KEC Q973 0TR319809AC TRANS...

Page 69: ...8 5 00 D R203 0RH4700C622 RESISTOR METAL GLAZED CHIP 470 OHM 1 16 W 1608 5 00 D R204 0RH0000C622 RESISTOR METAL GLAZED CHIP 0 OHM 1 16 W 1608 5 00 D R205 0RH0000C622 RESISTOR METAL GLAZED CHIP 0 OHM 1...

Page 70: ...5 00 D R343 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R344 0RH1000C622 RESISTOR METAL GLAZED CHIP 100 OHM 1 16 W 1608 5 00 D R345 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OH...

Page 71: ...CHIP 15K OHM 1 16 W 1608 5 00 D R578 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R579 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R580 0RH1002C622 RESISTOR...

Page 72: ...R FIXED CARBON FILM 2 7K OHM 1 6 W 5 TA52 R973 0RD5600F609 RESISTOR FIXED CARBON FILM 560 OHM 1 6 W 5 TA52 R976 0RD2202F609 RESISTOR FIXED CARBON FILM 22K OHM 1 6 W 5 TA52 R978 0RD5601F609 RESISTOR FI...

Page 73: ...BON FILM 1 2K OHM 1 6 W 5 TA52 R030 0RD1501F609 RESISTOR FIXED CARBON FILM 1 5K OHM 1 6 W 5 TA52 R031 0RD2201F609 RESISTOR FIXED CARBON FILM 2 2K OHM 1 6 W 5 00 TA52 R032 0RD3301F609 RESISTOR FIXED CA...

Page 74: ...F 1508 R TP C266 0CH1104K942 CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C267 0CH1104K942 CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C268 0CH1104K942 CAPACITOR CHIP CERAMI...

Page 75: ...ITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C545 0CE1064F638 CAPACITOR ELECTROLYTIC 10M SRA 16V M FM5 TP 5 C554 0CH1104K942 CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C555 0CE1...

Page 76: ...102JT CERATECH TP L603 6200HJC102A FILTER CIRC EMC HB 1M2012 102JT CERATECH TP L604 6200HJC102A FILTER CIRC EMC HB 1M2012 102JT CERATECH TP Q201 0TR387509AC TRANSISTOR CHIP KTC3875S GR T1 ALG KEC Q202...

Page 77: ...0 OHM 1 16 W 1608 5 00 D R510 0RH0000C622 RESISTOR METAL GLAZED CHIP 0 OHM 1 16 W 1608 5 00 D R511 0RH1802C622 RESISTOR METAL GLAZED CHIP 18K OHM 1 16 W 1608 5 00 D R512 0RH1003C622 RESISTOR METAL GLA...

Page 78: ...IP 75 OHM 1 16 W 1608 5 00 D R6E1 0RH0000C622 RESISTOR METAL GLAZED CHIP 0 OHM 1 16 W 1608 5 00 D R6E2 0RH0000C622 RESISTOR METAL GLAZED CHIP 0 OHM 1 16 W 1608 5 00 D R6E4 0RH0000C622 RESISTOR METAL G...

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