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DVR-VX110SP DVR-VX100SP SANYO DVDR + VCR C ...cncms.com.au/SANYO-SMs/Consumer-Electronics/DVD VCR Combo...SANYO DVDR + VCR C ombi MODEL :DVR-V100E DVR-VX100SP DVR-VX110SP 1 SPECIFICATIONS.....2

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  • Caution : In this Manual, some parts can be changed for improving, theirperformance without notice in the parts list. So, if you need the latestparts information,please refer to PPL(Parts Price List) in ServiceInformation Center (http://svc.dwe.co.kr).

    Jun, 2005

    Service ManualSANYO DVDR + VCR Co m b i

    MODEL :DVR-V100EDVR-VX100SPDVR-VX110SP

  • 1

    SPECIFICATIONS...............................................................................................................2

    TROUBLE SHOOTING....................................................................................................................3

    WAVEFORMS................................................................................................................................25

    CIRCUIT DIAGRAM.......................................................................................................................28

    PCB CIRCUIT BOARD..................................................................................................................43

    INSTRUMENT DISASSEMBLY .....................................................................................................48

    ELECTRICAL PARTSLIST............................................................................................................50

    CONTENTS

  • 2

    TROUBLESHOOTING

    3

    SPECIFICATIONS

    GeneralPower requirements 200240V~, 50/60 HzPower consumption 32W

    Dimensions (approx.) 16.9 x 3.54 x 14.0 inches (430 x 91 x 354 mm) (w x h x d)Mass (approx.) 13.5 lbs (6.18 kg)

    Operating temperature 41F to 95F (5C to 35C)Operating humidity 5% to 90%

    Signal system PAL Colour

    RecordingRecording formats DVD Video Recording, DVD-VIDEO

    Recordable discs DVD+R, DVD+RWRecordable time [DVD] Approx. 1 hour (HQ mode), 2 hours (SP mode), 4 hours (EP mode), 6 hours (SLP mode)

    [VCR] SP: 3 hours (E-180), LP: 6 hours (E-180)Video recording format

    Sampling frequency 27MHzCompression format MPEG 2

    Audio recording formatSampling frequency 48kHzCompression format MPEG1 Layer2

    VCR SpecificationsHead system 4 Head Video, 2 Head Hi-Fi helical scan azimuth system

    Timer 24-hour display typeTape speed SP: 23.39 mm/sec, LP: 11.70 mm/secTape width 12.7 mm

    Rewind time less than 150 seconds (E-180)Antenna 75 ohms (VHF/UHF)

    Channel coverage VHF: 2-12, 13-20, 74-80 / UHF: 21-69 / CATV: 1-41Frequency range 20Hz to 20kHz

    Video S/N Over 43 dB (Standard recording)Audio S/N Over 65 dB (Hi-Fi), Over 40 dB (Mono)Resolution Over 240 lines (Standard recording)

    DVD SpecificationsLaser system Semiconductor laser, wavelength 650 nm

    Frequency response DVD (PCM 48 kHz): 8 Hz to 22 kHz, CD: 8 Hz to 20 kHzVideo S/N More than 60 dBAudio S/N More than 90 dB

    Harmonic distortion Less than 0.01%Dynamic range More than 90 dB

    Resolution Over 500 lines (HQ Recording)

    InputsAntenna In/Out U/V-mixed; 75 unbalanced

    Video In 1.0 Vp-p, unbalancedAudio In -8.8 dBm

    DV In 4 pin (i.LINK/IEEE 1394 standard)

    1. POWER CIRCUIT

  • 5

    TROUBLESHOOTING

    4

    TROUBLESHOOTING

    .

    32

    31

    IC501 IC501

    IC501IC501

    IC501IC501

    IC502 IC502

    61

    2. SYSTEM CIRCUIT

    25

    IC501

    IC501

    (Pin14)

  • 7

    TROUBLESHOOTING

    6

    TROUBLESHOOTING

    B. Digital Board

  • 9

    TROUBLESHOOTING

    8

    TROUBLESHOOTING

    Noise appears on theplayback screen.

    Is noise diminished by tracking

    adjustment.

    Noise band is trembled up and

    down?

    Re-adjust PATH.

    Is the height of CTL HEAD normal?

    No dust?

    Is there problem in CTL Input

    circuit and amplifier.

    YES

    NO

    NO

    NO

    Is there CTL pulse at IC501

    pin#97?

    Check IC501.

    Noise appears on the screen even

    though changing tape.

    Re-adjust the height of AC HEAD.

    Remove the dust.

    Check C510,R545~R547IC 501 pin #91, 92, 98.

    NO

    Re-adjust PATH.

    C-1. Bad playback quality (1)

    YES

    YES

    YES

    YES

    Noise appears on the Fullplayback screen.

    Are SW pulse and HA SW normal?

    Recheck step B-1

    (Bad playback quallty (1)).

    Check HEAD AMP connector

    and HEAD.

    YES

    YES

    NO

    NOENVE Wave at P502 pin #4?

    Check VIDEO circuit.

    Are there SW, HA SW pulse at

    IC501 pin #16, 18?

    Check PCB Pattern.

    Check IC501.

    C-2. Bad playback quality (2)

    YES

    NO

    YES

    No broadcasting signalreceived

    Is the output at IC501 pin# 61(CLK),

    60 (DATA) normal?

    Is SIF,Video output at TMI(RF101)

    pin#16,19 normal?

    Check IC 501.

    Check IC301.

    Check P100

    YES

    YES

    NO

    NO

    NO

    Is Video Signal input at IC501

    pin#56?

    Is there Video output at P100

    pin#1?

    Check TMI (RF101) Block.

    NO

    Check Video Buffer Q670, Q671

    D. No broadcasting signal received

    YES

    YES

    YES

  • 11

    TROUBLESHOOTING

    10

    TROUBLESHOOTING

    Cassette tape isn t inserted.

    Is 5V voltage obtained at Loading

    parts IC501 pin#63?

    Is 14V voltage obtained at

    Capstan Motor P501 pin#2?

    Check at EVER 14V

    Check Q850.

    Connect Capstan and Loading Motor.

    Check connector and Capstan Motor.

    YES

    NO

    NO

    NO

    Is 13V voltage obtained at Each

    parts of Loading Motor?

    Replace Loading Motor.

    Check D851 and POWER circuit.

    E. No CASSETTE Loading

    YES

    YES

    F. AUTO STOP in Playback mode

    VCR stops automatically inplayback mode.

    Check R544,C516 and P501

    pin#11.

    Check S501, S502 REEL Sensor.

    Is D.PG/FG pulse at IC501

    pin#90 normal ?

    Is C. FG pulse at IC501 pin#87

    normal ?

    Is there REEL Pulse at IC501

    pin#79, 80?

    Check and replace IC501.

    NO

    YES

    YES

    YES

    NO

    Check C.FG(R543,C517) and

    P501 pin#1.

    NO

    G. DRUM Motor stops

    H. CAPSTAN doesn t rotate

    CAPSTAN doesn t rotate.

    Is EVER 14V voltage obtained

    at P501 pin#2?

    YES

    NO

    NO

    NO

    YES

    YES

    Is Capstan PWM fit to

    IC501 pin#77?

    Is 3.2V voltage obtained

    at P501 pin#5?

    Is 2.7V voltage obtained

    at P501 pin#9?

    Check P501 Connector and

    Capstan Motor.

    Check EVER 14V.

    (Q850)

    Check Capstan FG

    (IC 501 pin# 87).

    Check

    R541,R540,R539,R538,C518

    Check R537,R536,C521

    DRUM Motor stops.

    Is 14V voltage obtained at P501

    pin#8?

    YES

    NO

    NO

    NO

    YES

    YES

    Is DRUM PWM fit to IC 501

    pin#76?

    Is 2.6V voltage obtained at

    P501 pin#12?

    Check Capstan Motor and

    DRUM Motor.

    Check EVER 14V

    (Q850).

    Check DRUM PG/FG

    (IC 501 pin# 90).

    Check R534,R535,C519,C520.

    NO

  • 13

    TROUBLESHOOTING

    12

    TROUBLESHOOTING

    3. VIDEO circuit

    A. EE screen doesn t appear

    EE MODE Picture NG

    Is Video signal input atIC301 pin#48,50,52,54?

    Is 5V supplied atpin#42,55,72,91of IC301?

    Is C.S, DATA, CLOCK signalinput pin#67,68,69 of IC301?

    Check IF and SCART JACK.

    Check POWER circuit.

    Check IC501pin #58,66,67

    NO

    YES

    YES

    NO

    NO

    YES

    Is signal output from pin#65 ofIC301?

    YES

    NO Check IC301 pin#62 Q-V Sync.

    Is signal input into pin#13of P100?

    YES

    NOCheck PCB Pattern.

    Is signal output from pin#1of P100?

    YES

    NOCheck MPEG circuit.

    Is signal output at IC301pin#61?

    YES

    NO

    Check PCB Pattern.Is signal input at IC301

    pin#56?

    Check RF Output.Check PCB Pattern & LINE

    out.

    YES

    YES

    Check IC301.

    NO

    B. Playback picture doesn t appear1) No VCR Playback Picture

    YES

    YES

    Is Y SIGNAL output at IC301

    pin#46?

    Is VIDEO SIGNAL output at IC301

    pin#65?

    Check and Replace IC301.

    PB video signal missing.

    Is Envelope output from IC301

    pin#79?

    NO

    NO

    Same as EE MODE check.

    Is 5V supplied at IC301 pin#91?

    Is SW Pulse input at IC301

    pin#70?

    Is 5V obtained at IC301 pin#24,

    42,55,72,91?

    Check POWER 5V.

    Check IC501 pin#18.

    Clean head or Replace head.

    Check POWER 5V.NO

    NO

    Check PATTERN

    NO

    YES

    YES

    YES

    YES

    YES

    YES

    NO Does X301(4.43MHz)

    oscillate?

    Is Y SIGNAL input at IC301

    pin#43?NO Check PATTERN

    YES

    NOReplace X301.

    NO Check and replace IC301.

  • 15

    TROUBLESHOOTING

    14

    TROUBLESHOOTING

    2) No DVD Playback Picture

    YES

    Are there video output signal at

    JK601, JK101, JK102.

    No DVD Video signal

    Are there video signal at pin

    #1,3,5,7,9,11 of P100?

    NO

    NO Check PC01, ICN01(CVBS out,

    Y/C Out, Component Out)

    CVBS: Check Pin #61 of

    IC301

    RGB : Check Pin #21, 23,25

    (Y.Pb, Pr),28,31 of IC103 (Y/C)

    Check PC05, P821, 5V, 12V

    Power and cable connection

    NO

    YES

  • 17

    TROUBLESHOOTING

    16

    TROUBLESHOOTING

    Is +5V supplied at IC301 pin#91?NO

    NO

    YES

    YES

    Is VIDEO SW Pulse input at IC301

    pin#70?

    Is REC signal output from IC301pin#94,95,89,90?

    LP MODE: 89,90 PinSP MODE: 94,95Pin

    Check video HEAD and Connector.

    Is signal input into IC301

    pin# 48,50,52,54,56?

    Check POWE

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