Advertisement
XL-MXG9BK-:
eee
Procedures
FRONT SIDE
Re
ees
c D MECHANISM |
tee
a
ASS
;
fo ABZ.
=
TE GAIN: -
ADJ.
TPS oo RF
TP? &e@ GND
TPE &-o
TPS
OO TEST
PRY
eee
TP4 oe TRHD
Ki) R865
oo
W614 GND
PLL
-
OO
W662
TPT
CK
AAD
a
ENN-346-1
SS
SSS
SS
* Use RX-MXGSBK when adjusting.
1. PLL- free-running adjustment
1) Measuring instrument
Frequency counter
ae Adjusting procedure -
.
- (1). Connect a frequency counter with TP1 (CK: W662) and
W614 (GND).-on the main PC board .
Q
Adjust R865 for setting the frequency counter' $ vale becomes 4. 295 +0. O05MHz.
2. Tracking gain adjustment
1) Measuring instruments
!
Oscilloscope, Norma! disc ..
' 2) Adjusting procedure
;
(1) . Connect an oscilloscope with TP6 (TE) and
TP7{GND) on the main PC board.
(2)
Play adis.
.
_ (3)
Short circuit TP5 (TEST) to, 1P7 (GND).
4)
Adjust R825 for setting tracking error signal. becomes 2.0 Ve. p.
3. 'Tacking offset adjustment
"~..1) Measuring instruments
- Oscilloscope, Normal dise —
2). Adjusting. procedure.
-
.
a,
Connect an oscilloscope with TP6(TE) and TP7 (GND) on the main PC Beale
(2)
Play adisc.
...
Re Q).
Short. circuit TPS (TEST). to TP7 (GND).
(4)... Adjust R829 for ete the. De level of the ee
error (off set) becomes 0.
1-12(No. 20436}
Advertisement
