Caple C702G Manual de Serviço descarregar pdf (Página 97)

100

101

7-9

3-2.Vertical

Measure at CN-AF 7 pin (VD) on the VIDEO PWB (PWE-567A)

Check the sync pulse at Mini D-SUB 14pin on the VIDEO

PWB (PWE-567A).

Check the pulse (VD) at IC731 21 pin on the VIDEO PWB

(PWE-567A).

Check V sync

Check the input V sync

Signal cable failure

Check the output pulse

Q7Y3, Q7Y4, Q7Y7, Q7Y8, Q734, Q735, IC731 and their ambient

circuit failure on the VIDEO PWB (PEW-567A).

IC7A1 and their ambient circuit failure on the VIDEO PWB (PWE-567A).

･ V OSC/DEF circuit failure (see item 7).

･ Digital control circuit failure (see item 12).

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