Pioneer PD-M407 Manual de serviço - Página 27
Procurar online ou descarregar pdf Manual de serviço para Amplificador Pioneer PD-M407. Pioneer PD-M407 32 páginas. Multi compact disc player
Também para Pioneer PD-M407: Manual de Instruções (40 páginas), Manual de Instruções (28 páginas), Manual de serviço (32 páginas), Manual de Instruções (40 páginas)
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9. Focus Best Adjustment
Test mode
SPDL servo
FOCUS servo
TRKG servo
TEST DISC
START
TE
L 13942296513
10. Focus Servo Loop Gain Adjustment
Test mode
SPDL servo
FOCUS servo
TRKG servo
TEST DISC
START
www
MOTHER BOARD ASSY
.
http://www.xiaoyu163.com
=
CLOSE
=
CLOSE
=
CLOSE
Innermost
circumference
(1 TRK)
PLAY
MOTHER BOARD ASSY
TP1
(CN201)
6
FE
1
RF
4
VC
MOTHER BOARD ASSY
=
CLOSE
=
CLOSE
=
CLOSE
Innermost
circumference
(1 TRK)
PLAY
MOTHER BOARD ASSY
Player
TP1
(CN201)
6
FE
5
FI
100kΩ
4
VC
x
ao
y
i
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8
VR153
Player
Prove (10:1)
Prove (10:1)
Q Q
3
6 7
1 3
VR152
Readjust if
adjustment
is incorrect.
Prove (10:1)
56kΩ
0.001µF
u163
.
Low pass filter 2
PD-M427, PD-M407
2 9
9 4
2 8
MAX
Adjust the RF level to maximum, with
the focus error voltage within ±150mV.
Oscilloscope
DC Mode
CH1: 5mV/div
CH2: 20mV/div
H: 200ns/div
1 5
0 5
8
2 9
9 4
Check
UNDER
UPPER
JUST
Lissajous Waveform
Oscilloscope
X-Y Mode
X: 20mV/div
Y: 5mV/div
Low-frequency
oscillator
1.2kHz
1Vp-p
Prove (10:1)
m
co
GND
9 9
2 8
9 9
27