Pioneer PD-M407 Servis Kılavuzu - Sayfa 28
Amplifikatör Pioneer PD-M407 için çevrimiçi göz atın veya pdf Servis Kılavuzu indirin. Pioneer PD-M407 32 sayfaları. Multi compact disc player
Ayrıca Pioneer PD-M407 için: Kullanım Talimatları Kılavuzu (40 sayfalar), Kullanım Talimatları Kılavuzu (28 sayfalar), Servis Kılavuzu (32 sayfalar), Kullanım Talimatları Kılavuzu (40 sayfalar)
Sayfayı Yazdır
PD-M427, PD-M407
11. Focus Best Adjustment
Adjust this point only if adjustment was made in item 10.
Test mode
=
SPDL servo
=
FOCUS servo
=
TRKG servo
Innermost
TEST DISC
circumference
(1 TRK)
PLAY
START
(CN201)
FE
RF
VC
MOTHER BOARD ASSY
12. Tracking Servo Loop Gain Adjustment
Test mode
SPDL servo
FOCUS servo
TRKG servo
Innermost
TEST DISC
circumference
(1 TRK)
PLAY
START
TP1
(CN201)
2
TE
3
TI
4
VC
MOTHER BOARD ASSY
28
CLOSE
CLOSE
CLOSE
MOTHER BOARD ASSY
Player
TP1
6
1
4
=
CLOSE
=
CLOSE
=
CLOSE
MOTHER BOARD ASSY
Player
VR156
Adjust the RF level to maximum, with
the focus error voltage within ±150mV.
Prove (10:1)
Prove (10:1)
UNDER
VR151
Prove (10:1)
Prove (10:1)
100kΩ
MAX
Oscilloscope
DC Mode
CH1: 5mV/div
CH2: 20mV/div
H: 200ns/div
UPPER
JUST
Lissajous Waveform
Oscilloscope
X-Y Mode
X: 20mV/div
Y: 10mV/div
Low-frequency
oscillator
1.2kHz
1Vp-p
GND