|
|
|
Categories
|
|
Information
|
|
Featured Product
|
|
|
 |
|
|
There are currently no product reviews.
 ;
el manual es correcto , completo y de buena calidad aunque algun esquema esta excesivamente diseccionado.
;
muy buen manual con multiples graficos y formas de onda ademas de muy completo y bien presentado.
 ;
As Always these people were very rapid and efficient. A great job helping hobbiest and workers!!! Thank you a lot!
;
Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
;
Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
PD-117
11. Focus Best Adjustment
Adjust this point only if adjustment was made in item 10.
Test mode SPDL servo = CLOSE FOCUS servo = CLOSE TRKG servo = CLOSE
TEST DISC
MAX
Innermost circumference PLAY (1 TRK)
VR156
MOTHER BOARD ASSY Adjust the RF level to maximum, with the focus error voltage within ±150mV.
Oscilloscope
GND
START
GND
TP1 (CN201)
FE RF VC
Player
DC Mode CH1: 5mV/div CH2: 20mV/div H: 200ns/div Prove (10:1)
6 1 4
MOTHER BOARD ASSY
12. Tracking Servo Loop Gain Adjustment
UNDER Test mode SPDL servo = CLOSE FOCUS servo = CLOSE TRKG servo = CLOSE
TEST DISC
GND GND
Prove (10:1)
UPPER
Innermost circumference PLAY (1 TRK)
JUST
VR151
MOTHER BOARD ASSY Lissajous Waveform
Oscilloscope
X-Y Mode X: 20mV/div Y: 10mV/div
START
TP1 (CN201)
TE TI VC
Player
Prove (10:1)
Low-frequency oscillator
1.2kHz 1Vp-p
Prove (10:1)
2 3 4
100k� GND
MOTHER BOARD ASSY
24
|
|
|
> |
|
