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Magnavox ZC352MW8 Service Manual

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SERVICE MANUAL
DVD RECORDER
ZC352MW8

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Summary of Contents for Magnavox ZC352MW8

  • Page 1 SERVICE MANUAL DVD RECORDER ZC352MW8...

  • 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 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) [5] Power Supply CBA (L-1) CN1061 CN1060 Shield A (L-1) (L-1) [3] SW CBA (L-2) (L-3) Fig. D4 (L-2) [2] Front Assembly Fig. D2 (S-8) (S-3b) (S-3a) Heat Sink Plate M-PCB Plate Earth (S-8) (S-3a) [4] DVD Mechanism &...
  • 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 the 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 E7C50BLS...
  • Page 19 Digital Signal Process Block Diagram 1-9-2 E7C50BLD...
  • Page 20 Video Block Diagram REAR FRONT TMDS SERIALIZER TMDS ENCODER IHDCP CIPHER/ ENCRYPTOR CONTROLLER IAUDIO TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM 1-9-3 E7C50BLV...
  • Page 21 Audio Block Diagram 1-9-4 E7C50BLA...
  • Page 22 Power Supply Block Diagram 1-9-5 E7C50BLP...
  • Page 23 DTV Module Block Diagram 1-9-6 E7C50BLDTV...

  • Page 24: 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 25 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 26 AV 1/4 Schematic Diagram * NOTE 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 27 AV 2/4 Schematic Diagram 1-10-4 E7C50SCAV2...
  • Page 28 AV 3/4 Schematic Diagram 1-10-5 E7C50SCAV3...
  • Page 29 AV 4/4 Schematic Diagram E7C50SCAV4 1-10-6...
  • Page 30 Power Supply Schematic Diagram CAUTION ! For continued protection against fire hazard, CAUTION ! replace only with the same type fuse. Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. NOTE: ATTENTION : Pour une protection continue les risqes The voltage for parts in hot circuit is measured using If Main Fuse (F1001) is blown , check to see that all components in the power supply d'Incele n'utiliser que des fusible de même type.
  • Page 31 SW Schematic Diagram 1-10-8 E7C50SCSW...
  • Page 32 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. 1-10-9 E7C50SCD1...
  • Page 33 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. 1-10-10 E7C50SCD2...
  • Page 34 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. E7C50SCD3 1-10-11...
  • Page 35 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. 1-10-12 E7C50SCD4...
  • Page 36 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. E7C50SCD5 1-10-13...
  • Page 37 DTV Module 1/2 Schematic Diagram 1-10-14 E7C50SCDTV1...
  • Page 38 DTV Module 2/2 Schematic Diagram E7C50SCDTV2 1-10-15...
  • Page 39 AV CBA Top View BE7C50F01011A 1-10-16...
  • Page 40 AV CBA Bottom View C1418 PLUS LEAD PIN 28 OF CN1051 PIN 14 OF CN1101 PIN 22 OF CN1101 PIN 24 OF CN1101 PIN 26 OF CN1101 PIN 28 OF CN1101 BE7C50F01011A 1-10-17...
  • Page 41 Power Supply CBA Top View CAUTION ! Because a hot chassis ground is present in the power CAUTION ! Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. For continued protection against fire hazard, supply circut, an isolation transformer must be used. replace only with the same type fuse.
  • Page 42 Power Supply CBA Bottom View CAUTION ! Because a hot chassis ground is present in the power CAUTION ! For continued protection against fire hazard, supply circut, an isolation transformer must be used. Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. replace only with the same type fuse.
  • Page 43 SW CBA Top View SW CBA Bottom View 1-10-20 BE7C50F01011C...

  • Page 44: Waveforms

    WAVEFORMS Pin 24 of CN1101 Pin 26 of CN1101 VIDEO-Y 0.2V 20µsec VIDEO-Cr 0.2V 20µsec Pin 22 of CN1101 Pin 14 of CN1101 VIDEO-C 0.2V 20µsec AUDIO(L)-OUT 0.5ms C1418 PLUS LEAD Pin 28 of CN1051 VIDEO-CVBS 0.5V 20µsec SPDIF 0.1µsec Pin 28 of CN1101 NOTE: Input: COLOR BAR SIGNAL...

  • Page 45: Wiring Diagram

    WIRING DIAGRAM NTPA 1394 CABLE (W1) JW002 NTPB SUB-RXD SUB-TXD BUS-CONT(NU) 1 SYS-RESET FCS(+) FOCUS DTV1.05V-CONT 2 SUB-SCLK FCS(-) ACTUATOR TRK(+) TRACKING P-ON+3.3V TRK(-) ACTUATOR P-ON+2.5V VIDEO-C-IN TILT(+) TILT P-ON+1.8V TILT(-) ACTUATOR SMART-ANT(NU) 7 VIDEO-Y/CVBS-IN 10 FPD-VOUT AUDIO+5V FPD-VC DIFAGC DVD-AUDIO-MUTE 12 FPD-VCC DIF-OUT1...

  • Page 46: System Control Timing Charts

    SYSTEM CONTROL TIMING CHARTS Tray Close Push Close Tray Open Tray Close Inner Switch Open? Passage of 7 seconds? Pickup inner movement Pulse stop? Inner Switch Open? Tray Open Inner Switch Close? Passage of Error end Normal termination 7 seconds? (To Tray Open) (To the disk reading) Pulse stop?
  • Page 47 Tray open It ends by 4054 pulses. Encoder pulse When the pulse width exceeds 20ms, it is judged that it stops. SLED open INNER-SW close It makes an error when exceeding it for 7 seconds. Timer Tray close Encoder pulse When the pulse width exceeds 20ms, it is judged that it stops.
  • Page 48 Push close Encoder pulse Push When the pulse Close width exceeds 20ms, it is judged that it stops. SLED open INNER-SW close It makes an error when exceeding it for 7 seconds. Timer Parameter Parameter OPEN CLOSE The maximum movement 0x3200 0x3200 speed...

  • Page 49: Ic Pin Function Descriptions

    IC PIN FUNCTION DESCRIPTIONS IC1501 (SUB MICRO CONTROLLER) Signal Function Name Signal Function Name Serial Data IN KEY-1 Key Data Input 1 34 OUT SCL Serial Clock IN KEY-2 Key Data Input 2 FLASH- Serial Data IN POW-SW Abnormal Voltage Detection IN AFT Tuner Voltage Input Signal FLASH-...

  • Page 50: Lead Identifications

    LEAD IDENTIFICATIONS KTC3205-Y-AT/P KTA1267-(GR)-AT/P KIA4558P/P KTA1271-Y-AT/P KTC3199-GR-AT/P KRC103M-AT/P E C B E C B KTB1151-Y-U/P PQ070XF01SZH 2SK3563(Q) MM1697AJBE 1 2 3 4 G D S B C E BU4219G-TR MN101C77AFN AN5832SA-E1V CD4052BNSR R3112N191A-TR-FA MM1637XVBE R3112N191A-TR-FB PST3619NR 1 2 3 Note: UTC4580 M24128-BWMN6TP A: Anode...

  • Page 51: Exploded Views

    EXPLODED VIEWS Cabinet 2L010 See Electrical Parts List for parts with this mark. Some Ref. Numbers are not in sequence. 2L010 2L030 2L041 2B49 2L050 AC1001 POWER SUPPLY CBA 2L050 2L010 2B10 2B10 2L040 2L040 DVD Mechanism & 2B52 DVD Main CBA Assembly AV CBA 2B21 DTV MODULE CBA UNIT...
  • Page 52 Packing Lower Side Upper Side Unit Some Ref. Numbers are not in sequence. 1-16-2 E7C50PEX...

  • Page 53: 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 54: Electrical Parts List

    ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. C1171 CHIP CERAMIC CAP .(1608) CH J 1000pF/50V CHD1JJ3CH102 Before replacing any of these components, read C1172 CHIP CERAMIC CAP .(1608) CH J 1000pF/50V CHD1JJ3CH102 carefully the product safety notice in this service C1175...
  • Page 55 Ref. No. Description Part No. Ref. No. Description Part No. If C1509 is 0.015µF, then IC1502 is R3112N191A-TR-FA, R3112N191A-TR-FB or CN1061 FFC CONNECTOR IMSA-9615S-06A-PP-A JC96J06ER007 BU4219G-TR. CN1101 AV-MAIN FFC(28PIN) WX1E7C50-005 WX1E7C50-005 C1509 CHIP CERAMIC CAP .(1608) B K 0.015µF/50V CHD1JK30B153 CN1700 6PIN FFC WX1E7C50-001 WX1E7C50-001...
  • Page 56 Ref. No. Description Part No. Ref. No. Description Part No. CHIP RES. 1/10W J 18k Ω L1753 CHOKE COIL 22µH-K LLBD00PKV021 R1127 RRXAJR5Z0183 CHIP RES.(1608) 1/10W 0 Ω CHIP RES. 1/10W J 18k Ω L1760 RRXAZR5Z0000 R1128 RRXAJR5Z0183 CHIP RES.(1608) 1/10W 0 Ω CHIP RES.
  • Page 57 Ref. No. Description Part No. Ref. No. Description Part No. CHIP RES.(1608) 1/10W 0 Ω R1508 RRXAZR5Z0000 MISCELLANEOUS CHIP RES. 1/10W J 100 Ω CHIP RES.(1608) 1/10W 0 Ω R1513 RRXAJR5Z0101 JC1002 RRXAZR5Z0000 CHIP RES. 1/10W J 47k Ω R1514 RRXAJR5Z0473 JK2101 DIN SOCKET DIN-405A...
  • Page 58 Ref. No. Description Part No. Ref. No. Description Part No. D1002 DIODE 1N5397-B NDLZ001N5397 MISCELLANEOUS D1003 DIODE 1N5397-B NDLZ001N5397 AC1001# AC CORD W/O A GND WIRE UL/CSA/1660/NO/ WAC0162LW010 BLACK D1004 DIODE 1N5397-B NDLZ001N5397 F1001# FUSE CURRENT PEG20C0NG001 PEG20C0NG001 D1005 PCB JUMPER D0.6-P5.0 JW5.0T FH1001 FUSE HOLDER MSF-015 LF (B110)
  • Page 59 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. ZC352MW8 E7C50UD 2007-02-05...

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