Troubleshooting Hints - Panasonic Digital Palmcorder PalmSight PV-DV100 Service Manual

TROUBLESHOOTING HINTS

1. No Picture or abnormal picture when playbacking
Check if the PB picture is output to
DV connector.
NG
Check ENV signal at Pin 13 of FP5
on Main C.B.A.
(Use Pin 3 of FP5 on Main C.B.A.
as a trigger.)
OK
Check PB data at Pin 9 of FP5 on
Main C.B.A.
OK
Check PB data at Pin 8 of IC3203
on Main C.B.A.
OK
Check if 41.85MHz Clock is correct
at TP3206 on Main C.B.A.
OK
Check PB data at TP3207 on
Main C.B.A.
OK
Replace IC3201 on Main C.B.A.
Pin 13 of FP5 on Pin 6 of IC3204
Main C.B.A. on Main C.B.A.
Check IC3201, IC3001, and
OK
surrounding parts on Main C.B.A.
No Signal
Abnormal ENV Signal
Perform "Tape Path Alignment with
L.I.S.T.A."
If not, perform Envelope Adjustment.
OK
Check IC5001 and surrounding
parts on Head Amp C.B.A.
OK
Check signal at Pin 6 of IC3204 on
Main C.B.A.
OK
Replace IC3201. Replace IC3204.
Check IC5001 and surrounding
NG
parts on Head Amp C.B.A.
OK
Replace Cylinder Unit.
NG Check IC3204 and surrounding
parts on Main C.B.A.
NG
NG
Check IC3203 and surrounding
parts on Main C.B.A.
Pin 9 of FP5 Pin 8 of IC3203
on Main C.B.A. on Main C.B.A.
6-16
Perform head cleaning.
Check ENV signal at Pin 13 of FP5
on Main C.B.A. again.
Check if the Flexible cable is
correctly connected to FP5 on Main
C.B.A. and/or it is not damaged.
NG
Check IC5001 and surrounding
parts on Head Amp C.B.A.
Replace Cylinder Unit.
TP3207
on Main C.B.A.
NG
OK
OK
NO SIGNAL
OR
TP3206 on Main
C.B.A. (NG)
TP3206 on Main
C.B.A. (OK)