jedyne do czego mogę mieć zastrzeżenie to jakość zdjęć zawartych w przesłanej instrukcji serwisowej ponieważ są fatalnej jakości, praktycznie nieczytelne. tak poza tym jestem zadowolony to jest to czego szukałem.
Instrukcja jest OK. Schematy czytelne, opisane niektóre procedury.
Tekstowy podgląd strony 147 (kliknij aby zobaczyć)
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A
In a case when no image from any input appears
� Reset discharge is occurred. � Mask is displayed. � DSD is not displayed. YES Examination of the MAIN board YES Is the voltage at Pin 51 of IC8501 3.3 V DC? NO Disconnect the cable from the PN1 connector. Check if 3.3V DC is output from Pin 1 of PN1. YES YES Waveform 33 Failure in the MAIN PWB NO Failure in the power supply unit, or PN1 cable broken
B
NO
Diagnosis of Panel Module
Is a CLK signal input to Pin 12 of IC8501? And are sync signals input to Pins 55 and 57? Is a DE signal input to Pin 58?
YES
Failure in the IC8501
C
NO Is the voltage at Pin 1 of PN2 connector 2.5 V DC? NO Disconnect the cable from the PN2 connector. Check if 2.5V DC is output from Pin 1 of PN2. YES YES Is the voltage at Pin 4 of IC8002 1.5 V DC? YES Is the voltage at Pin 5 of IC8003 1.5 V DC? YES NO Failure in the IC8003 NO Failure in the MAIN PWB NO Failure in the power supply unit, or PN2 cable broken
Failure in the IC8002
D
Waveform 34 NO Failure in the X8001
Is a CLK signal input to Pin 3 of X8001? YES of X8002? YES Failure in the MAIN PWB
