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60
27D
V
-S100
27D
V
-CS10
TR
OUBLESHOO
TING FLO
WCHAR
TS OF
VCR SECTION
Mechanism malfunction.
Does the AT5V line function?
Check IC9021 and its peripheral circuits.
Check IC2001 and X7001.
NO
NO
NO
NO
NO
NO
NO
YES
YES
NO
YES
NO
YES
YES
NO
YES
YES
YES
YES
YES
NO
FLOW CHART No. 2-1
TROUBLESHOOTING
MECHANISM
CONTROLLER (1)
Turn off AC power and get
the set restarted.
Is there 14MHz oscillation at pins
(37) and (38) of IC2001?
No power is
supplied (PC5V).
The REC key does
not function. All the
other keys
function.
Is the cassette
tape without erase
protection tag?
Check the PC12V
line and PC23V
line.
Replace IC2001.
Is PC5V
available?
Check
Q9101.
No recording can
be made on
cassette tape
without the tag.
Does the REC TIP
switch function?
Replace the REC
TIP switch.
Replace IC2001.
The unit stops 3
seconds after
loading.
The unit stops 5
seconds after
loading.
The pinch roller
fails to contact the
capstan during
loading.
The FF or REW
key does not
function.
The EJECT key
alone functions.
Is there the
H.SW.P. output
signal at pin (23)
of IC2001?
Is there the reel
pulse input signal
at pins (2) and (3)
of IC2001?
Does the loading
motor stop after
loading?
See Flowchart
No. 3.
A cassette tape is
inserted but pops
out itself.
Replace IC2001.
Replace IC2001.
Check the pinch
roller pressure.
See Flowchart
No. 10.
See Flowchart
No. 11.
Check the cam
switches D7008
and D7009.
Is there the REC TIP
SW signal at pin (64)
of IC2001?
See Flowchart
No. 2.
Turn on power. Is
the voltage at pin
(4) of IC2001 at
"H" level?
Check the signal line.
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 ...