Failure Diagnosis Of The Data Ic; Check With A Tester Between Pin 5 Or 6 (Vd Line Of Data Ic) - Pioneer PRO-1410HD Field Service And Training Manual

Failure diagnosis of the Data IC

Failure symptom: The image in any block of the screen is not displayed.

Check with a tester between Pin 5 or 6 (Vd line of Data IC)

and ground of each Signal Relay PKG.
OK: Open
NG: Short-
circuited,
CN2
CN3
Failure diagnosis of the Digital PKG
Chip fuse (FU701) at the
upper-right corner of the digital
PKG
CN2
CN8 CN8
CN8
CN3
28
CN8
CN8
OK: Short-
circuited,
NG: Open