Pioneer PD-M426 Service Manual page 27
Multi compact disc player
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Also See for PD-M426:
- Operating instructions manual (29 pages) ,
- Brochure (1 page) ,
- Operating instructions manual (16 pages)
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PD-M426
9. Focus Best Adjustment I
@ Test mode
SPDL servo
-* CLOSE
FOCUS servo + CLOSE
TRKG servo
-» CLOSE
Oscilloscope
DC Mode
CH1: 5mV/div
CH2: 20mV/div
Player
q
H: 200ns/div
9
Prove (10:1)
oO
MOTHER BOARD ASSY
10. Focus Servo Loop Gain Adjustment I
@ Test mode
SPDL servo
— CLOSE
FOCUS servo + CLOSE
TRKG servo
— CLOSE
F)
Oscilloscope
Low-frequency
oscillator
a
—
4.2kHz
& Prove (10:1)
|
Vp-p
MOTHER BOARD ASSY
=
my
Low pass filter @)
27
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