Sanyo HVR-DX610 User manual

FILE NO.
HVR-DX610
(Product Code: 1 682 340 80)
(Australia)
HVR-DX620
(Product Code: 1 682 340 81)
(New Zealand)
SERVICE MANUAL
SPECIFICATIONS
REFERENCE No. SM0905002
Power source: 200-240V 50/60Hz
Power Consumption: 32W
Dimensions: 430(W) x 91(H) x 354(D)mm
Net Weight: Approx. 6.18kg
Specifications subject to change without notice.
DVD Recorder + VCR
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SPECIFICATIONS...............................................................................................................2
TROUBLE SHOOTING....................................................................................................................3
WAVEFORMS................................................................................................................................25
CIRCUIT DIAGRAM.......................................................................................................................28
PCB CIRCUIT BOARD..................................................................................................................43
INSTRUMENT DISASSEMBLY.....................................................................................................48
PACKING VIEW.............................................................................................................................50
ELECTRICAL PARTSLIST............................................................................................................51
1
CONTENTS
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AAA
2
SPECIFICATIONS
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3
TROUBLE SHOOTING
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4
TROUBLE SHOOTING
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5
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25
,&
,&
(Pin14)
TROUBLE SHOOTING
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6
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TROUBLE SHOOTING
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7
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TROUBLE SHOOTING
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8
1RLVHDSSHDUVRQWKH
SOD\EDFNVFUHHQ
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~R547
IC 501 pin #91, 92, 98.
NO
Re-adjust PATH.
&%DGSOD\EDFNTXDOLW\
YES
YES
YES
YES
1RLVHDSSHDUVRQWKH)XOO
SOD\EDFNVFUHHQ
Are SW pulse and HA SW normal?
Recheck step B-1
(Bad playback quallty (1)).
Check HEAD AMP connector
and HEAD.
YES
YES
NO
NO
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.
&%DGSOD\EDFNTXDOLW\
YES
NO
YES
TROUBLE SHOOTING
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9
1REURDGFDVWLQJVLJQDO
UHFHLYHG
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
'1REURDGFDVWLQJVLJQDOUHFHLYHG
YES
YES
YES
TROUBLE SHOOTING
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10
&DVVHWWHWDSHLVQ·WLQVHUWHG
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.
(1R&$66(77(/RDGLQJ
YES
YES
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9&5VWRSVDXWRPDWLFDOO\LQ
SOD\EDFNPRGH
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
TROUBLE SHOOTING
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11
*'5800RWRUVWRSV
+&$367$1GRHVQ·WURWDWH
&$367$1GRHVQ·WURWDWH
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
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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
TROUBLE SHOOTING
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12
3. VIDEO circuit
$((VFUHHQGRHVQ·WDSSHDU
((02'(3LFWXUH1*
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
NO
YES
YES
NO
NO
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
NO
Check PCB Pattern.
Is signal output from pin#1
of P100?
YES
NO Check MPEG circuit.
Is signal output at IC301
pin#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
TROUBLE SHOOTING
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13
%3OD\EDFNSLFWXUHGRHVQ·WDSSHDU
1R9&53OD\EDFN3LFWXUH
YES
YES
Is Y SIGNAL output at IC301
pin#46?
Is VIDEO SIGNAL output at IC301
pin#65?
Check and Replace IC301.
3%YLGHRVLJQDOPLVVLQJ
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
NO Replace X301.
NO Check and replace IC301.
TROUBLE SHOOTING
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14
1R'9'3OD\EDFN3LFWXUH
YES
Are there video output signal at
JK601, JK101, JK102.
1R'9'9LGHRVLJQDO
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
TROUBLE SHOOTING
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15
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TROUBLE SHOOTING
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16
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 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.
5HFRUGYLGHRVLJQDOSRRU
Check EE MODE.
YES
Is luminance and color signal
output from IC301 pin#78?
Replace IC301.
NO
NO
YES
9&53DUW
YES
Is IC301 pin#80 REC(H) HIGH? Check IC501 pin#45.
NO
TROUBLE SHOOTING
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17
4. AUDIO (Hi-Fi MODEL)
1RVRXQGLQ5)((PRGH
Is Audio signal output at IC602 pin
#3, 13?
$1RVRXQGLQ((PRGH
D5)((
Is Audio signal output at IC251
pin#16,17?
Are CLK and DATA obtained at
IC251 pin#42,43?
NO
Is 5V obtained at IC251 pin#40?
Replace IC251.
YES
YES
Is 12V obtained at IC251 pin#34?
NO
YES Check POWER circuit.
YES
Is 5V obtained at IC051 pin#1? Check Power circuit.
NO
Is there SIF signal at IC051 pin#2
in RF mode? Check RF101.
NO
YES
Is there SIF signal out at IC051
pin#30, 31? Check IC051.
NO
YES
YES
Check IC602.
NO
Check Output JACK.
YES
TROUBLE SHOOTING
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18
E$9((
1RVRXQGLQ$9((PRGH
NO
Check Input AV1 JACK
Is Audio signal at IC251 pin#6, 7?
Is Audio signal output at IC602 pin
#3, 13?
Is Audio signal output at IC251
pin#16,17?
Are CLK and DATA obtained at
IC251 pin#42,43?
NO
Is 5V obtained at IC251 pin#40?
Replace IC251.
YES
YES
Is 12V obtained at IC251 pin#34?
NO
YES Check POWER circuit.
YES
YES
Check Output JACK.
YES
Check IC602.
NO
TROUBLE SHOOTING
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19
F$9((
1RVRXQGLQ$9((PRGH
NO
Check Input AV2 JACK
Is Audio signal at IC251 pin#8, 9?
Is Audio signal output at IC602
pin #3, 13?
Is Audio signal output at IC251
pin#19, 20?
Are CLK and DATA obtained at
IC251 pin#42,43?
NO
Is 5V obtained at IC251 pin#40?
Replace IC251.
YES
YES
Is 12V obtained at IC251 pin#34?
NO
YES Check POWER circuit.
YES
YES
Check Output JACK.
YES
Check IC602.
NO
TROUBLE SHOOTING
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