Pioneer XR-P460 Service Manual page 66

5. Focus Servo Loop Gain Adjustment
(DA-AAP-RMV- TP BB)
@ Test mode
FOCUS servo + CLOSE
SPDL servo ->+ CLOSE
TRKG servo -* CLOSE
'Test oisc\ YEDS-7_
e R=35mm
LAY
Oscilloscope
X-¥ Mode
cn X: 20mV/div
Y: 5mV/div
Low-frequency
oscillator
oo 1.2kH2
Wp-p
© Test mode
FOCUS servo > CLOSE
SPDL servo -* CLOSE
TRKG servo ~* CLOSE
fest visC\ YEDS-7
e R=35mm
LAY
®
1
AF ASSY
Lissajous Waveform
Oscilloscope
Mode
OmV/div
OmVidiv
Low-frequency
oscillator
1.2kHz
2Vp-p