Pioneer PD-M407 Manual de serviço - Página 26

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)

Pioneer PD-M407 Manual de serviço
PD-M427, PD-M407
QQ
3 7 63 1515 0
7. RF Level Adjustment
Test mode
SPDL servo
FOCUS servo
TRKG servo
Innermost
TEST DISC
circumference
(1 TRK)
PLAY
START
TP1
(CN201)
1 1
RF
4
VC
MOTHER BOARD ASSY
TE
L 13942296513
8. Focus Servo Loop Gain Adjustment
Test mode
SPDL servo
FOCUS servo
TRKG servo
Innermost
TEST DISC
circumference
(1 TRK)
PLAY
START
TP1
(CN201)
6
FE
5
FI
www
4
VC
MOTHER BOARD ASSY
.
26
http://www.xiaoyu163.com
=
CLOSE
=
CLOSE
=
CLOSE
MOTHER BOARD ASSY
Player
=
CLOSE
=
CLOSE
=
CLOSE
MOTHER BOARD ASSY
Player
100kΩ
0.001µF
x
ao
y
i
Low pass filter 2
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8
VR153
Make adjustment if
the value exceeds
the specified range.
Prove (10:1)
GND
Q Q
3
6 7
1 3
UNDER
VR152
Prove (10:1)
Prove (10:1)
56kΩ
u163
.
2 9
9 4
2 8
Check
1.2VP-P
±0.1V
Oscilloscope
AC Mode
V: 50mV/div
H: 10mSec/div
1 5
0 5
8
2 9
9 4
UPPER
JUST
Lissajous Waveform
Oscilloscope
X-Y Mode
X: 20mV/div
Y: 5mV/div
Low-frequency
oscillator
1.2kHz
1Vp-p
m
co
GND
9 9
2 8
9 9