SHARP DV-NC60
Instrukcja Serwisowa

FLOW CHART NO.16

DV-NC60 DV-NC60W

Playback Although picture played back, color does not appear (E-E mode is possible).

FM signal (approx. 200mVp-p) between pins(79) and Is voltage 5V applied to chroma NO Check the periphery pin(61) of input to the pin(78) power terminal pin(61) IC201? IC201 and PC 5V line. (78) of IC201. luminance 200mVp-p Is chroma signal (approx. 156 NO Check between the pin(60) and outputted at pin(78) IC201? mVp-p/Burst) input into the pin pin(46) of IC201. (Check C512.) (46) of IC201? YES YES Is V-H.SW.P. applied to Check whether the pin(75) and pin (81) IC201? (73) of IC201 oscillate (4.43 MHz)? YES V-H.SW.P. line. Is chroma signal (approx. 197 Check between the pin(58) and mVp-p/Burst) input into the pin pin(35) of IC201. NO Check the periphery of pins(13) and (14) of IC201. YES IC201? YES YES 300 Is chroma signal (approx. 197 input into mVp-p/Burst) output to the pin NO Check between the pin(18) and (54) (35) of IC201? pin(19) of IC201. NO YES pin(54) of IC201. Replace IC201. Is luminance signal (approx. 0.5 NO Check between the pin(39) and NO

YES YES

Is the luminance signal input and (58) of IC201?

output to the pins(13), (14) of

Is luminance signal (approx. 0.5 Vp-p) input to the pin(19) of IC201?

NO Check between the pin(55) and Is luminance signal (approx. 0.3 Check between the pin(21) and

Vp-p) input to the IC201? pin(42) of IC201. (Check C208.)

YES

50
Is luminance signal (approx. 0.5 Vp-p) input to the pin(39) of IC201? NO Is voltage 5V applied to the CCD section power terminal pin(36) of IC201? YES control voltage approx. 5V applied normally to pin(37) from the pin(57) of IC201? Is CCD clock signal (approx. 8.86 MHz/0.5 Vp-p) applied to pin(44) from the pin(69) of IC201?

Vp-p) input to the IC201? pin(26) of IC201. (Check C212.)

YES

Is luminance signal (approx. 0.5 Vp-p) input to pin(23) IC201? Check between the pins(24) and (23) of IC201. (Check C210.)

NO

YES

Is luminance signal (approx. 0.5 Vp-p) input at pin(52) of IC201?

NO

Replace IC201.