Kenwood CD-2260M, Service Manual

Page: 10 / 28

CD-2260M/2280M/DPF-J7010/J9010
10
ADJUSTMENT
No.
1
ITEM
FOCUS ERROR
BIAS
INPUT
SETTING
Test disc
Type4
/KTD-02
OUTPUT
SETTING
Connect an oscillo-
scope as follows.
CH1:RF (CN2-1)
PLAYER
SETTING
Press the PLAY
/PAUSE key .
Confirm that the
display is "05".
ALIGNMENT
POINT
FE BIAS
VR1
ALIGN FOR
Optimum eye
pattern
(a)
Note:
Type 4 disc :SONY YEDS-18 Test Disc or equivalent.
LPF : Around 47k
Ω
+ 390 pF or so.
1. With pressing the RANDOM KEY, turn the power on to enter the test mode.
2. Set the Test disc to Disc NO. 1.
3. Close the door.
¶
RF signal in test mode (PLAY).
¶ Perform the tangential and focusing offset are focused into
one point on the display. The crossing points above and
below the center shall also be looked clearly. (FE BIAS)
RF signal
FIG. (a)
CD-2260M/DPF(K) COVER( 98.4.24 10:52 PM y [ W 19
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