Sony PCS-1500 Service Manual page 180

4-2. Self-diagnostics Function
UART detection :
DETECTED?
Internal loop-back OK?
The system
passes the test when the
camera is replaced?
Replace the camera
4-50
A-5
NO
YES
NO
IC202 and its peripheral
YES
NO
YES
is observed at IC204
[13] when #diag[|]
cameracontrol↓ is
IC204, C223 to C226 or
their peripheral
A change
NO
performed?
IC202 and its peripheral
YES
PCS-1500/1500P