Read Sony DVP-FX94 / DVP-FX950 / DVP-FX950WM / DVP-FX955 Service Manual online
DVP-FX94/FX950/FX950WM/FX955
8-5
Check RF signal waveform
Check the related
circuit on
U6(MT1389LP)
check the tracking
control amp circuit
on motor driver
control amp circuit
on motor driver
Check the TRSO
connection on
connection on
U6(MT1389LP)
and
motor driver
Check cable connection on Pick up head
Check the cable connection on Pick up head
Check the related
circuit on
U6(MT1389LP)
RFO signal
circuit on
U6(MT1389LP)
RFO signal
NO disc
Check the cable connection between spindle and main PCBA
Check connection between
U6(MT1389LP) and
Pick up head
U6(MT1389LP) and
Pick up head
Check the related circuit
on
U6(MT1389LP) RF
signal
Check DMSO
related circuit on
U6(MT1389LP
related circuit on
U6(MT1389LP
)
Check the RF
Connection between HA1 and
U6(MT1389LP)
Put disc in
Disc ID
is correct?
Proper DMSO
signal On
U6(MT1389LP)
Does spindle
Rotate?
Proper signal
On A,B,C,D of
U6(MT1389LP)
Focus on OK?
Proper RFO
s gnal on
U6(MT1389LP)
Proper FOSO
signal on
U6(MT1389LP)
Track on OK?
Proper TRSO
signal on
U6(MT1389LP)
TR+&TR
out properly
Disc is play
4. RF/Servo Circuit
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