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69
27D
V
-S100
27D
V
-CS10
TR
OUBLESHOO
TING FLO
WCHAR
TS OF D
VD SECTION
The disc tray cannot be opened and closed.
FLOW CHART No.3-1
No
No
No
Yes
Yes
No
Check the LD-RVS/FWD signal line
between IC7701 and the IC504.
Yes
Yes
FLOW CHART No.3-2
No
No
No
Yes
No
Yes
Yes
Yes
Is the signal from the pins(70) and
(69) of IC504 input into the pins(1)
and (28) of IC7701?
Check PC 8V line.
Is 8V voltage applied to the pin(8) of
IC7701?
Check for mechanism and gear
engagement and breakage.
Is FE signal inputted into the pin(150)
of IC701?
Check or replace IC701.
Check the line between the IC301
and IC701.
Is loading motor drive voltage output
from the pins(9) and (10) of IC7701?
Is the loading motor drive voltage
applied to the terminal of loading
motor?
Check the line between the IC702
and the loading motor.
Does the optical pickup move up and
down after the disc is removed?
(Checking of symptom.)
See FLOW CHART NO.6
<The [No Disc] indication.
(In case focus servo does not
function.)>
Replace IC301.
Is there input signal on the pins(52),
(53), (54) and (55) of IC301?
Is FE signal output to the pin(21)
of IC301 when the disc is set?
Check the connection of optical pickup
cable.
Replace IC7701.
The [No Disc] indication. (In case of focus error)
Summary of Contents for 27DV-CS10
Page 72: ...73 27DV S100 27DV CS10 72 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT ...
Page 103: ...111 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM CRT Unit ...
Page 106: ...116 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM TERMINAL SUB Unit ...
Page 107: ...117 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM FRONT AV Unit ...
Page 122: ...144 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H MAIN Unit Wiring Side ...
Page 123: ...145 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H MAIN Unit Chip Parts Side ...
Page 124: ...146 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H TERMINAL Unit Wiring Side ...
Page 125: ...147 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H TERMINAL Unit Chip Parts Side ...
Page 126: ...148 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H TV POWER Unit Wiring Side ...
Page 127: ...149 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H DEFLECTION Unit Wiring Side ...
Page 128: ...150 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H DVD VCR POWER Unit Wiring Side ...
Page 130: ...152 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H DVD MAIN Unit A Side ...
Page 131: ...153 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H DVD MAIN Unit B Side ...