Kenwood RXD 502 Service Manual

Page 12

RXDFAIOZHDINT1P99.6.97:26PM y [w 23

RXD-402/452/502/552/5728/A41/A51

ADJUSTMENT

CD player adjustment

No.

ITEM

INPUT
SETTING

OUTPUT
SETTING

PLAYER
SETTING

ALIGNMENT
POINT

ALIGN FOR

FIG.

Step 1,2 are in TEST MODE
TEST MODE : While pressing the [CD PALY] key, plug the AC power cord i

nto the AC power wall outlet.

Set the senor section

Press the"PLAY"key

On the power
from.0.05 to 0,15mw.
when the diffraction

LASER _ of the optical power - _ _ ratin is correctl
1 POWER meter oln the pickup I0 Chsgétigeltogf d's agligneg with the RI]: (a)
ens. level of 0.8Vp-p or
more
Connect an oscillo-
FOCUS - scope as follows. Press the "PLAY" .
Test dlsc . - FE Optlmum eye pattern (b)
2 ERROR CH1 . RF key, Confirm that the _
BI AS Type 4 CH2 ; FE1 display is05 BIAS VR1 (DC-:330mV) (d)
GND : VG
Note:

Type 4disc :SONY YEDS-18 Test Disc or equivalent. (KTD»02)

LPF : Around 47kg + 390pF or so.

(a) Laser Power

F\
\/

(d)

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,

12

O

egg

Pickup

RF Signal FAG coupled

0.05~0.15 mW

Optical power meter

(b) Test point

RFFEtFE2
[I I] [I o

FE.

5:? VRt

TE2 TE1VC
[I I] [I

B

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