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
00-47HVR-DX610620.indd0100-47HVR-DX610620.indd01 2006/08/0713:47:092006/08/0713:47:09

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
00-47HVR-DX610620.indd100-47HVR-DX610620.indd1 2006/08/0713:47:122006/08/0713:47:12

AAA
2
SPECIFICATIONS
00-47HVR-DX610620.indd200-47HVR-DX610620.indd2 2006/08/0713:47:122006/08/0713:47:12

3
TROUBLE SHOOTING
00-47HVR-DX610620.indd300-47HVR-DX610620.indd3 2006/08/0713:47:322006/08/0713:47:32

 
 



 





,& ,&
,&
,&
,&
,&
,&
,&

6<67(0&,5&8,7
4
TROUBLE SHOOTING
00-47HVR-DX610620.indd400-47HVR-DX610620.indd4 2006/08/0713:47:502006/08/0713:47:50

5



25
,&
,&
(Pin14)
TROUBLE SHOOTING
00-47HVR-DX610620.indd500-47HVR-DX610620.indd5 2006/08/0713:48:072006/08/0713:48:07

6
 











 



%'LJLWDO%RDUG
TROUBLE SHOOTING
00-47HVR-DX610620.indd600-47HVR-DX610620.indd6 2006/08/0713:48:082006/08/0713:48:08

7





TROUBLE SHOOTING
00-47HVR-DX610620.indd700-47HVR-DX610620.indd7 2006/08/0713:48:092006/08/0713:48:09

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
00-47HVR-DX610620.indd800-47HVR-DX610620.indd8 2006/08/0713:48:102006/08/0713:48:10

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
00-47HVR-DX610620.indd900-47HVR-DX610620.indd9 2006/08/0713:48:112006/08/0713:48:11