Troubleshooting
9-4
LOAD TAPE AND
PRESS F.FWD BUTTON
FAST FORWARD
DOESN'T OPERATE
F.FWD
INDICATOR IN
THE DISPLAY
PRESS FF
KEY IN REMOTE
CONTROL
CHECK CN604
2pin 15V?
4pin 5V?
5.9pin 3.2V?
CHECK TIMER
CHANGE IC601, XT601
NO
NO
NO
NO
YES
CHECK CN604
5.9pin 3.2V
CHECK IC601
CHECK POWER BLOCK
YES
YES
YES
CHECK
MECHANISM
NO
IC601 68pin
FG pulse
CHECK CAPSTAN MOTOR
YES
(VCR Section)
FWD SEARCH DOESN'T
OPERATE
PLAY
OPERATION
PRESS F.FWD FOR
FORWARD SEARCH
CHECK IC601
CHECK CAPSTAN
MOTOR
IS CAPSTAN
SPEED CHANGED?
SEARCH
OPERATION
NOISE BAR
LOCKING
END
ADJUST
A/CE HEAD
CHANGE DECK
CHANGE IC601
SEE
(PLAY DOESN'T OPERATE)
NO
NO
NO
YES
NO
(CONTROL PULSE)
IC601-76
NO
YES
YES
YES
YES
(VCR Section)
Summary of Contents for D-VR3SU
Page 3: ...CONTENTS ...
Page 4: ...MEMO ...
Page 10: ...Precautions 1 6 MEMO ...
Page 22: ...Reference Information 2 12 MEMO ...
Page 24: ...Product Specification 3 2 MEMO ...
Page 25: ...4 1 4 Operating Instructions ...
Page 88: ...5 22 Disassembly and Reassembly MEMO ...
Page 100: ...6 12 Alignment and Adjustments MEMO ...
Page 115: ...Circuit Operating Descriptions 7 15 Fig 7 12 IC601 Block Diagram ...
Page 148: ...Circuit Operating Descriptions 7 48 MEMO ...
Page 160: ...VCR Deck Operating Description 8 12 Fig 8 14 Mecha Timing Chart ...
Page 174: ...VCR Deck Operating Description 8 26 MEMO ...
Page 200: ...Exploded View and Parts List 10 8 MEMO ...
Page 216: ...11 16 Electrical Parts List MEMO ...
Page 217: ...1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...