Read Sharp VC-ME80HM Service Manual online
46
VC-ME80GM
VC-ME80HM
VC-ME80HM
NO
NO
YES
FLOW CHART NO.19 RECORDING MODE (E-E operational) TROUBLESHOOTING
Picture(Luminance) record is impossible
(E-E mode is possible).
Is there luminance signal input
in the pin(19) of IC201?
Check line between pins(18)
and (19) of IC201.
YES
NO
Is there luminance signal input
in the pin(42) of IC201?
Check line between pins(21)
and (42) of IC201. (C208)
NO
YES
YES
YES
YES
Is there luminance signal input
in the pin(26) of IC201?
Check line between pins(39)
and (26) of IC201. (C212)
NO
Is there luminance signal input
in the pin(23) of IC201?
Check line between pins(24)
and (23) of IC201. (C210)
NO
Is there luminance signal input
and output in the pins(13) and
(14) of IC201, respectively?
Check peripheral circuit of
pins(13) and (14) of IC201.
(R201, R202, C203)
Is there luminance signal input
in the pin(39) of IC201?
Is voltage 5V applied to the
CCD section power terminal at
pin(36) of IC201?
YES
Is CCD control voltage approx.
6V applied normally to the pin
(37) from pin(57) of IC201?
Is clock signal for CCD applied
normally to the pin(44) from
(69) of IC201?
NO
NO
YES
YES
YES
Is voltage of 5V applied to the
chroma power terminal pin(61)
of IC201?
Check peripheral circuit pin
(61) of IC201 and PC 5V line.
Is there chroma signal input in
the pin(46) of IC201?
Check line between pin (60)
and pin(46) of IC201. (C512)
NO
NO
Is there chroma signal input in
the pin(58) of IC201?
Check whether the pins(73)
and (75) of IC201 oscillate
4.43MHz.
Check line between pins(58)
and (35) of IC201. (C515)
Is there chroma signal output
in the pin(35) of IC201?
YES
YES
Is CCD control voltage approx.
0V applied normally to the pin
(37) from pin(57) of IC201?
Is clock signal for CCD applied
normally to the pin(44)
from (69) of IC201?
YES
Is voltage 5V applied to the
CCD section power terminal at
pin(36)?
NO
Although picture record is possible, colour does
not appear in PAL mode (E-E mode is possible).
YES
Replace IC201.
YES
Check or replace the cylinder.
NO
Is the supply voltage of 5V
(PRE/REC Vcc) fed to pin(90)
of IC201?
SP mode : Is there record FM signal (approx. 20mVp-p) output in the pins
(88), (89) <SP1> and pins(86), (87) <SP2> of IC201?
EP mode : Is there record FM signal (approx. 20mVp-p) output in the pins
(93), (94) <EP1> and pins(92), (91) <EP2> of IC201?
SP mode : Is there chroma ingredient included signal (approx. 20mVp-p) output in the pins(88), (89) <SP1>
and pins(86), (87) <SP2> of IC201?
EP mode : Is there chroma ingredient included signal (approx. 20mVp-p) output in the pins(93), (94) <EP1>
and pins(92), (91) <EP2> of IC201?
NO
Check parts around of X501.
Click on the first or last page to see other VC-ME80HM service manuals if exist.