Pioneer XS-R9 Service Manual page 51

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7. Tracking Servo Loop Gain Adjustment
Test mode
FOCUS servo → CLOSE
SPDL servo
TRKG servo
START
TE
L 13942296513
6.2 REMIX EFECTOR [EF-R9(S)]
• No adjustment is required.
6.3 REMIX CONTROL MIXER [MX-R9(S)]
• No adjustment is required.
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→ CLOSE
→ CLOSE
YEDS–7
TEST DISC
R=35mm
PLAY
T
TP1
(CN406)
3
TRIN
2
TRER
4
VC
MAIN ASSY
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y
i
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2 9
8
VR602
MAIN ASSY
Player
Probe (10:1)
100kΩ
Probe (10:1)
39 kΩ
0.001µF
Q Q
3 6 7 1 3
Low pass filter
.
9 4 2 8
Lissajous Waveform
Oscilloscope
X-Y Mode
X: 50mV/div
Y: 20mV/div
Low-frequency
oscillator
1.2kHz
2Vp-p
1 5 0 5 8 2 9 9 4
m
co
XS-R9
9 9
2 8 9 9
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