Magnavox ZC320MW8 Service Manual
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Magnavox ZC320MW8 Service Manual

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SERVICE MANUAL
DVD RECORDER
ZC320MW8

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  • Page 1 SERVICE MANUAL DVD RECORDER ZC320MW8...

  • Page 2: Table Of Contents

    IMPORTANT SAFETY NOTICE Proper service and repair is important to the safe, reliable operation of all Funai Equipment. The service procedures recommended by Funai and described in this service manual are effective methods of performing service operations. Some of these service special tools should be used when and as recommended.

  • Page 3: Specifications

    SPECIFICATIONS Item Conditions Unit Nominal Limit 1. VIDEO 75 Ω load 1-1. Video Output Vp-p 1-2. S-Video Output 75 Ω load Y (Luminance) Vp-p 75 Ω load C (Chrominance) Vp-p 0.286 1-3. Component Output 75 Ω load Y (Luminance) Vp-p 54.9 75 Ω...

  • Page 4: Laser Beam Safety Precautions

    LASER BEAM SAFETY PRECAUTIONS This DVD player uses a pickup that emits a laser beam. Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin. The laser beam is emitted from the location shown in the figure. When checking the laser diode, be sure to keep your eyes at least 30 cm away from the pickup lens when the diode is turned on.

  • Page 5: Important Safety Precautions

    IMPORTANT SAFETY PRECAUTIONS Product Safety Notice Also check areas surrounding repaired locations. J. Be careful that foreign objects (screws, solder Some electrical and mechanical parts have special droplets, etc.) do not remain inside the set. safety-related characteristics which are often not K.
  • Page 6 Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts, and wires have been returned to their original positions. Afterwards, do the following tests and confirm the specified values to verify compliance with safety standards. 1.

  • Page 7: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Circuit Board Indications Pb (Lead) Free Solder 1. The output pin of the 3 pin Regulator ICs is When soldering, be sure to use the Pb free solder. indicated as shown. How to Remove / Install Flat Pack-IC Top View Bottom View 1.
  • Page 8 3. The flat pack-IC on the CBA is affixed with glue, so With Soldering Iron: be careful not to break or damage the foil of each 1. Using desoldering braid, remove the solder from pin or the solder lands under the IC when all pins of the flat pack-IC.
  • Page 9 2. Installation With Iron Wire: 1. Using desoldering braid, remove the solder from 1. Using desoldering braid, remove the solder from all pins of the flat pack-IC. When you use solder the foil of each pin of the flat pack-IC on the CBA flux which is applied to all pins of the flat pack-IC, so you can install a replacement flat pack-IC more you can remove it easily.
  • Page 10 Instructions for Handling Semi- conductors Electrostatic breakdown of the semi-conductors may occur due to a potential difference caused by electrostatic charge during unpacking or repair work. 1. Ground for Human Body Be sure to wear a grounding band (1 MΩ) that is properly grounded to remove any static electricity that may be charged on the body.

  • Page 11: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart Note: (1) Identification (location) No. of parts in the figures This flowchart indicates the disassembly steps to gain (2) Name of the part access to item(s) to be serviced. When reassembling, (3) Figure Number for reference follow the steps in reverse order.
  • Page 12 (S-4) (S-4) [4] Power Supply (L-1) CN1070 (L-1) (L-1) (L-2) (L-2) Fig. D4 [2] Front Assembly Fig. D2 (S-3) (S-3) (S-7) [3] DVD Mechanism & DVD Main CBA Assembly (S-7) Holder Main PCB CN701 [6] AV CBA CN101 Front Earth Plate (S-5) (S-6) PCB Support /...
  • Page 13 3. How to Eject Manually Note: When rotating the gear, be careful not to damage the gear. 1. Remove the Top Cover. 2. Rotate the gear in the direction of the arrow manually as shown below until the tray descends. 3.

  • Page 14: How To Initialize The Dvd Recorder

    HOW TO INITIALIZE THE DVD RECORDER To put the program back at the factory-default, initialize the DVD recorder as the following procedure. 1. Turn the DVD recorder on. 2. Confirm that no disc is loaded or that the disc tray is open.

  • Page 15: Firmware Renewal Mode

    FIRMWARE RENEWAL MODE 1. Turn the power on and remove the disc on the tray. 4. Select the firmware version pressing arrow buttons, then press [OK]. 2. To put the DVD recorder into version up mode, Fig. d appears on the screen. The DVD recorder press [CM SKIP], [6], [5], and [4] buttons on the starts updating.

  • Page 16: Function Indicator Symbols

    FUNCTION INDICATOR SYMBOLS Note: If an error occurs, a message with the error number appears on the screen. Recording Error Error message You cannot record on this disc as Power Calibration Area is full. Error No. Error Message Solution Error Description Priority An error occurs during data reading.
  • Page 17 Error Message Solution Error Description Priority Disc is full. Insert the recordable disc with No avilable recording space. (No area for new recording) enough recording space. You cannot record on this disc as Power Calibration Area is Insert a new disc. PCA is Full.

  • Page 18: Block Diagrams

    BLOCK DIAGRAMS System Control Block Diagram 1-9-1 E7EAABLS...
  • Page 19 Digital Signal Process Block Diagram 1-9-2 E7EAABLD...
  • Page 20 Video Block Diagram 1-9-3 E7EAABLV...
  • Page 21 Audio Block Diagram 1-9-4 E7EAABLA...
  • Page 22 Power Supply Block Diagram 1-9-5 E7EAABLP...

  • Page 23: Schematic Diagrams / Cba's And Test Points

    SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS Standard Notes WARNING Many electrical and mechanical parts in this chassis have special characteristics. These characteristics often pass unnoticed and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage, wattage, etc.
  • Page 24 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE. ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQES D'INCELE N'UTILISER QUE DES FUSIBLE DE MÊME TYPE. RISK OF FIRE-REPLACE FUSE AS MARKED.
  • Page 25 * NOTE AV 1/4 Schematic Diagram These components (IC1502, C1509) can be used in any models. However, you cannot mix components under Group A with the ones under Group B. You can choose either Group. The difference between Group A and Group B is shown below. Group A Group B R3112N191A-TR-FA...
  • Page 26 AV 2/4 Schematic Diagram 1-10-4 E7EAASCAV2...
  • Page 27 AV 3/4 Schematic Diagram 1-10-5 E7EAASCAV3...
  • Page 28 AV 4/4 Schematic Diagram E7EAASCAV4 1-10-6...
  • Page 29 Power Supply Schematic Diagram CAUTION ! CAUTION ! NOTE: For continued protection against fire hazard, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. The voltage for parts in hot circuit is measured using replace only with the same type fuse. If Main Fuse (F1001) is blown , check to see that all components in the power supply hot GND as a common terminal.
  • Page 30 DVD Main 1/5 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC101. IC101 is divided into five and shown as IC101 (1/5) ~ IC101 (5/5) in this DVD Main Schematic Diagram Section. 1-10-8 E7EAASCD1...
  • Page 31 DVD Main 2/5 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC101. IC101 is divided into five and shown as IC101 (1/5) ~ IC101 (5/5) in this DVD Main Schematic Diagram Section. 1-10-9 E7EAASCD2...
  • Page 32 DVD Main 3/5 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC101. IC101 is divided into five and shown as IC101 (1/5) ~ IC101 (5/5) in this DVD Main Schematic Diagram Section. E7EAASCD3 1-10-10...
  • Page 33 DVD Main 4/5 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC101. IC101 is divided into five and shown as IC101 (1/5) ~ IC101 (5/5) in this DVD Main Schematic Diagram Section. 1-10-11 E7EAASCD4...
  • Page 34 DVD Main 5/5 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC101. IC101 is divided into five and shown as IC101 (1/5) ~ IC101 (5/5) in this DVD Main Schematic Diagram Section. E7EAASCD5 1-10-12...
  • Page 35 AV CBA Top View BE7EAAF01011 1-10-13...
  • Page 36 AV CBA Bottom View PIN 3 OF PIN 5 OF PIN 17 OF PIN 3 OF PIN 7 OF PIN 9 OF CN1101 CN1101 CN1101 CN1101 CN1101 CN1051 C1231 PLUS LEAD BE7EAAF01011 1-10-14...
  • Page 37 Power Supply CBA Top View CAUTION ! Because a hot chassis ground is present in the power CAUTION ! supply circut, an isolation transformer must be used. Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. For continued protection against fire hazard, If Main Fuse (F1001) is blown , check to see that all components in the power supply Also, in order to have the ability to increase the input...
  • Page 38 Power Supply CBA Bottom View CAUTION ! Because a hot chassis ground is present in the power CAUTION ! supply circut, an isolation transformer must be used. Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. For continued protection against fire hazard, If Main Fuse (F1001) is blown , check to see that all components in the power supply Also, in order to have the ability to increase the input...

  • Page 39: Waveforms

    WAVEFORMS Pin 7 of CN1101 Pin 5 of CN1101 VIDEO-Y 0.2V 20µsec VIDEO-Cr 0.2V 20µsec Pin 9 of CN1101 Pin 17 of CN1101 VIDEO-C 0.2V 20µsec AUDIO(L)-OUT 0.5ms C1231 PLUS LEAD Pin 3 of CN1051 VIDEO-CVBS 0.5V 20µsec SPDIF 0.1µsec Pin 3 of CN1101 NOTE: Input: COLOR BAR SIGNAL...

  • Page 40: Wiring Diagram

    WIRING DIAGRAM FCS(+) SUB-RXD FOCUS FCS(-) ACTUATOR TRK(+) SUB-TXD TRACKING TRK(-) ACTUATOR SYS-RESET TILT(+) SUB-SCLK TILT TILT(-) ACTUATOR LDD-IIN4 LDD-IIN3 LDD-IIN2 VIDEO-C-IN LDD-IINR VIDEO-Y/CVBS-IN 20 LDD-VDD AUDIO+5V DVD-LD LDD-VDD DVD-AUDIO-MUTE 18 LDD-ENABLE AUDIO(L)-OUT 17 LDD-OSCEN CD-LD AUDIO(R)-OUT 15 LDD-WEN4 AUDIO(R)-IN 13 LDD-WEN3 AUDIO(L)-IN LDD-WEN2...

  • Page 41: System Control Timing Charts

    SYSTEM CONTROL TIMING CHARTS [ Tray Open ] Push Close Power on button is pressed. Tray insertion INNER-SW open? Tray insertion INNER-SW open? Tray ejection To disc distinction [ Tray Open ] button is pressed. INNER-SW open? SLED moves Tray ejection 1-13-1 R4NTI...
  • Page 42 Parameter V*: Voltage T*: Event timer V0: 2.40 V T1: 0.050 s V1: 4.25 V T2: 2.000 s V2: 2.00 V T3: 0.008 s V3: 2.36 V T4: 0.006 s V4: 4.26 V T5: 0.066 s T6: 1.500 s T7: 0.800 s T8: 0.005 s Tray open Tray ejection direction...
  • Page 43 Push close Threshold level 0.08 V 0.02 s Push Close detection 1-13-3 R4NTI...

  • Page 44: Ic Pin Function Descriptions

    IC PIN FUNCTION DESCRIPTIONS IC1501 (SUB MICRO CONTROLLER) Signal Function Name Signal Function Not Used Name Not Used IN KEY-1 Key Data Input 1 FLASH- IN KEY-2 Key Data Input 2 Serial Data Signal for Flash IN POW-SW Abnormal Voltage Detection FLASH- 36 OUT Serial Clock Signal for Flash...

  • Page 45: Lead Identifications

    LEAD IDENTIFICATIONS KIA4558P/P KRC103M-AT/P KTA-1266-GR-AT/P KTA1267-GR-AT/P KTA1271-Y-AT/P KTC3199-GR-AT/P KTC3203-Y-AT/P E C B E C B KTB1151-Y-U/P MM1697AJBE PQ070XF01SZH 2SK3757(Q) 1 2 3 4 G D S E C B MN101C77AFP1 CD4052BNSR BU4219G-TR CD4053BNSR R3112N191A-TR-FA MM1637XVBE R3112N191A-TR-FB PST3619NR 1 2 3 Note: A: Anode PS2561A-1(W)

  • Page 46: Exploded Views

    EXPLODED VIEWS Cabinet 2L010 2L010 2L010 See Electrical Parts List for parts with this mark. Some Ref. Numbers are not in sequence. 2L010 2L040 2L044 2B15 2B10 2L050 AV CBA 2B24 2L040 AC1001 2L011 2L020 2L041 Power Supply CBA DVD Mechanism & DVD Main CBA Assembly 2B11 2L042...
  • Page 47 Packing Upper Side Lower Side Unit Some Ref. Numbers are not in sequence. 1-16-2 E7EAAPEX...

  • Page 48: Mechanical Parts List

    MECHANICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through improper servicing.

  • Page 49: Electrical Parts List

    ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. C1211 CHIP CERAMIC CAP .(1608) F Z 0.1µF/50V CHD1JZ30F104 Before replacing any of these components, read C1212 ELECTROLYTIC CAP . 470µF/6.3V M CE0KMASDL471 carefully the product safety notice in this service C1221...
  • Page 50 Ref. No. Description Part No. Ref. No. Description Part No. C1577 CHIP CERAMIC CAP .(1608) F Z 0.1µF/50V CHD1JZ30F104 L1052 POWER INDUCTORS CWKBNP-180K LLF1800KV002 C1578 CHIP CERAMIC CAP .(1608) F Z 0.1µF/50V CHD1JZ30F104 L1054 CHOKE COIL 22µH-K LLBD00PKV021 C1601 ELECTROLYTIC CAP . 4.7µF/25V M CE1EMASDL4R7 L1055 CHOKE COIL 22µH-K...
  • Page 51 Ref. No. Description Part No. Ref. No. Description Part No. CHIP RES. 1/10W J 62 Ω CHIP RES. 1/10W J 100 Ω R1153 RRXAJR5Z0620 R1519 RRXAJR5Z0101 CHIP RES. 1/10W J 62 Ω CHIP RES. 1/10W J 47k Ω R1154 RRXAJR5Z0620 R1520 RRXAJR5Z0473 CHIP RES.
  • Page 52 Ref. No. Description Part No. Ref. No. Description Part No. SW3009 TACT SWITCH SKQSAF001A SST0101AL041 D1012 ZENER DIODE MTZJT-7718B QDTB00MTZJ18 SW3011 TACT SWITCH SKQSAF001A SST0101AL041 D1013 RECTIFIER DIODE BA157 NDQZ000BA157 SW3012 TACT SWITCH SKQSAF001A SST0101AL041 D1054 RECTIFIER DIODE BA157 NDQZ000BA157 MISCELLANEOUS D1056 SCHOTTKY BARRIER DIODE SB240-B/P...
  • Page 53 Misuse of any trademarks or any other content in this manual is strictly prohibited. Funai shall aggressively enforce its intellectual property rights to the fullest extent of the law. ZC320MW8 E7EAAUD 2007-3-21...

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