Sanyo HVR-DX610 Bedienungsanleitung

FILE NO.

SPECIFICATIONS

Specifications subject to change without notice

SERVICE MANUAL

SM0905002

REFERENCE No.

HVR-DX610

HVR-DX620

DVD Recorder + VCR

Power source: 200-240V, 60/50Hz

Power consumption: 32W

Dimension: 430(W) x 91(H) x 354(D)mm

Net Weight: Approx. 6.18kg

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

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

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

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

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

INSTRUMENT DISASSEMBLY .....................................................................................................46

ELECTRICAL PARTSLIST............................................................................................................48

CONTENTS

TROUBLESHOOTING

SPECIFICATIONS

General

Power requirements 200–240V~, 50/60 Hz

Power 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 41°F to 95°F (5°C to 35°C)

Operating humidity 5% to 90%

Signal system PAL Colour

Recording

Recording formats DVD Video Recording, DVD-VIDEO

Recordable discs DVD+R, DVD+RW

Recordable 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 27MHz

Compression format MPEG 2

Audio recording format

Sampling frequency 48kHz

Compression format MPEG1 Layer2

VCR Specifications

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

Timer 24-hour display type

Tape speed SP: 23.39 mm/sec, LP: 11.70 mm/sec

Tape 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: 1-41

Frequency 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 Specifications

Laser system Semiconductor laser, wavelength 650 nm

Frequency response DVD (PCM 48 kHz): 8 Hz to 22 kHz, CD: 8 Hz to 20 kHz

Video S/N More than 60 dB

Audio S/N More than 90 dB

Harmonic distortion Less than 0.01%

Dynamic range More than 90 dB

Resolution Over 500 lines (HQ Recording)

Inputs

Antenna In/Out U/V-mixed; 75 Ωunbalanced

Video In 1.0 Vp-p, unbalanced

Audio In -8.8 dBm

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

1. POWER CIRCUIT

TROUBLESHOOTING

IC501 IC501

IC501

IC502

2. SYSTEM CIRCUIT

IC501

(Pin14)

TROUBLESHOOTING

B. Digital Board

TROUBLESHOOTING

Noise appears on the

playback 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

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~R547

IC 501 pin #91, 92, 98.

Re-adjust PATH.

C-1. Bad playback quality (1)

YES

Noise appears on the Full

playback screen.

Are SW pulse and HA SW normal?

Recheck step B-1

(Bad playback quallty (1)).

Check HEAD AMP connector

and HEAD.

YES

ENVE 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 broadcasting signal

received

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

Is Video Signal input at IC501

pin#56?

Is there Video output at P100

pin#1?

Check TMI (RF101) Block.

Check Video Buffer Q670, Q671

D. No broadcasting signal received

YES

TROUBLESHOOTING

Cassette tape isnÕt 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

Is 13V voltage obtained at Each

parts of Loading Motor?

Replace Loading Motor.

Check D851 and POWER circuit.

E. No CASSETTE Loading

YES

F. AUTO STOP in Playback mode

VCR stops automatically in

playback 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.

YES

Check C.FG(R543,C517) and

P501 pin#1.

G. DRUM Motor stops

H. CAPSTAN doesnÕt rotate

CAPSTAN doesnÕt rotate.

Is EVER 14V voltage obtained

at P501 pin#2?

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

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.

TROUBLESHOOTING

3. VIDEO circuit

A. EE screen doesnÕt appear

EE MODE Picture NG

Is Video signal input at

IC301 pin#48,50,52,54?

Is 5V supplied at

pin#42,55,72,91of IC301?

Is C.S, DATA, CLOCK signal

input pin#67,68,69 of IC301?

Check IF and SCART JACK.

Check POWER circuit.

Check IC501

pin #58,66,67

YES

Is signal output from pin#65 of

IC301?

YES

NO Check IC301

pin#62 Q-V Sync.

Is signal input into pin#13

of P100?

YES

Check PCB Pattern.

Is signal output from pin#1

of P100?

YES

NO Check MPEG circuit.

Is signal output at IC301

pin#61?

YES

Check PCB Pattern.

Is signal input at IC301

pin#56?

Check RF Output. Check PCB Pattern & LINE

out.

YES

Check IC301.

B. Playback picture doesnÕt appear

1) No VCR Playback Picture

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?

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.

Check PATTERN

YES

NO Does X301(4.43MHz)

oscillate?

Is Y SIGNAL input at IC301

pin#43?

NO Check PATTERN

YES

NO Replace X301.

NO Check and replace IC301.

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 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

YES

TROUBLESHOOTING

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

YES

Is VIDEO SW Pulse input at IC301

pin#70?

Is REC signal output from IC301

pin#94,95,89,90?

LP MODE: 89,90 Pin

SP MODE: 94,95Pin

Check video HEAD and Connector.

Is signal input into IC301

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

Check POWER circuit.

Check IC501 pin#18.

Record video signal poor.

Check EE MODE.

YES

Is luminance and color signal

output from IC301 pin#78?

Replace IC301.

YES

2) VCR Part

YES

Is IC301 pin#80 REC(H) HIGH? Check IC501 pin#45.

4. AUDIO (Hi-Fi MODEL)

No sound in RF E-E mode

Is Audio signal output at IC602 pin

#3, 13?

A. No sound in E-E mode

a. RF E-E

Is Audio signal output at IC251

pin#16,17?

Are CLK and DATA obtained at

IC251 pin#42,43?

Is 5V obtained at IC251 pin#40?

Replace IC251.

YES

Is 12V obtained at IC251 pin#34?

YES Check POWER circuit.

YES

Is 5V obtained at IC051 pin#1? Check Power circuit.

Is there SIF signal at IC051 pin#2

in RF mode? Check RF101.

YES

Is there SIF signal out at IC051

pin#30, 31? Check IC051.

YES

Check IC602.

Check Output JACK.

YES

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