Read Sharp DV-NC55 (serv.man10) Service Manual online
51
DV-NC55S/H
DV-NC60H
DV-NC60H
FLOW CHART NO.16
NO
NO
YES
YES
YES
NO
YES
YES
YES
YES
NO
NO
YES
YES
YES
YES
NO
NO
NO
YES
NO
YES
NO
YES
YES
NO
YES
NO
YES
NO
Is FM signal (approx. 200mVp-p)
input to the pin(78) of IC201?
Is the luminance signal input and
output to the pins(13), (14) of
IC201?
Is luminance signal (approx. 0.5
Vp-p) input to the pin(19) of IC201?
Is luminance signal (approx. 0.3
Vp-p) input to the pin(42) of IC201?
Is luminance signal (approx. 0.5
Vp-p) input to the pin(26) of IC201?
Is luminance signal (approx. 0.5
Vp-p) input to the pin(23) of IC201?
Is luminance signal (approx. 0.5
Vp-p) input at pin(52) of IC201?
Replace IC201.
Check between the pins(79) and
(78) of IC201.
Is luminance signal (approx. 200mVp-p
outputted at the pin(78) of IC201?
Is V-H.SW.P. applied to the pin
(81) of IC201?
Check V-H.SW.P. line.
Check the periphery of pins(13) and
(14) of IC201.
Check between the pin(18) and
pin(19) of IC201.
Check between the pin(21) and
pin(42) of IC201. (Check C208.)
Check between the pin(39) and
pin(26) of IC201. (Check C212.)
Is luminance signal (approx. 0.5
Vp-p) input to the pin(39) of IC201?
Is voltage 5V applied to the CCD section power terminal pin(36) of IC201?
Is control voltage approx. 5V applied normally to the pin(37) from the pin(57) of IC201? Is CCD clock signal
(approx. 8.86 MHz/0.5 Vp-p) applied to the pin(44) from the pin(69) of IC201?
Check between the pins(24) and (23) of IC201. (Check C210.)
Replace IC201.
Check between the pin(55) and
pin(54) of IC201.
Is chroma signal (approx. 300
mVp-p/Burst) input into the pin
(54) of IC201?
Is chroma signal (approx. 197
mVp-p/Burst) input into the pin
(58) of IC201?
Check between the pin(58) and
pin(35) of IC201.
Is chroma signal (approx. 197
mVp-p/Burst) output to the pin
(35) of IC201?
Check whether the pin(75) and pin
(73) of IC201 oscillate (4.43 MHz)?
Check between the pin(60) and
pin(46) of IC201. (Check C512.)
Check the periphery of pin(61) of
IC201 and PC 5V line.
Is voltage 5V applied to the chroma
power terminal pin(61) of IC201?
Is chroma signal (approx. 156
mVp-p/Burst) input into the pin
(46) of IC201?
Playback picture does not appear (E-E mode is possible).
Although picture is played back, color does not appear (E-E mode is pos
sible).
Click on the first or last page to see other DV-NC55 (serv.man10) service manuals if exist.