47
VC-A412U/A413U
VC-H812U/H813U
Playback picture does not appear (E-E mode is possible).
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
Is V-H.SW.P. applied to the
pin(81) of IC201?
Although picture is played back, color does not appear (E-E mode is possible).
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. 7.16 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.)
Is luminance signal (approx. 0.5
Vp-p) input to the pin(23) 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(42) of IC201?
Is luminance signal (approx. 0.5
Vp-p) input to the pin(19) of IC201?
Is FM signal (approx. 0.4 Vp-p)
input to the pin(78) of IC201?
Is luminance signal (approx. 0.4
Vp-p) input to the pin(79) of IC201?
Is luminance signal (approx. 0.5
Vp-p) input to the pin(39) of IC201?
Check between the pin(39) and
pin(26) of IC201. (Check C212.)
Check between the pin(21) and
pin(42) of IC201. (Check C208.)
Check between the pin(18) and
pin(19) of IC201. (Check C206.)
Check between the pin(55) and
pin(54) of IC201. (Check C514.)
Check between the pins(79) and
(78) of IC201.
Is the luminance signal (approx. 0.25
Vp-p) input and output to the pins(13),
(14) and (16) of IC201, respectively?
Is voltage 5V applied to the chroma
power terminal pin(61) of IC201?
Is chroma signal (approx. 403
mVp-p/Burst) input into the
pin(46) of IC201?
Is chroma signal (approx. 508
mVp-p/Burst) input into the
pin(58) of IC201?
Is chroma signal (approx. 286
mVp-p/Burst) input into the
pin(54) of IC201?
Check between the pin(60) and
pin(46) of IC201. (Check C512.)
Check between the pin(58) and pin(35)
of IC201. (Check R505, C515.)
Check the periphery of pin(61) of
IC201 and YC 5V line.
Check the periphery of pins(13),
(14) and (16) of IC201. (Check
C203, R201-2, L201, C205, R203.)
Check whether the pin(71) and pin(73)
of IC201 oscillate (3.58 MHz)?
Is chroma signal (approx. 508
mVp-p/Burst) output to the
pin(35) of IC201?
Check V-H.SW.P. line.
Replace IC201.
Replace IC201.
FLOW CHART NO.21
FLOW CHART NO.22
