Service manual

46
XV-Z10000
YES
YES
YES
No horizontal
synchronization
Is the terminal input
connection as specified? Is
the cable tightly
connected?
Check the line between
IC2506 and IC2509.
Check the line between
IC2506 and the input
terminal.
NO
NO
Is there the horizontal sync
pulse at pin (14) of
IC2506?
NO
Use the specified cable.
Reconnect it tight enough.
Is there the horizontal
sync pulse at pin (11) of
IC2509?
Go to "PC Board
Troubleshooting".
YES
YES
YES
No vertical
synchronization
Is the terminal input
connection as specified? Is
the cable tightly
connected?
Check the line between
IC2506 and IC2509.
Check the line between
IC2501 and the input
terminal.
NO
NO
Is there the vertical sync
pulse at pin (14) of
IC2501?
NO
Use the specified cable.
Reconnect it tight enough.
Is there the vertical sync
pulse at pin (8) of
IC2509?
Go to "PC Board
Troubleshooting".