Adjustment - Kenwood DPF-J5020 Service Manual

CD-323M/324M/DPF-J5020
QQ
3 7 63 1515 0
CIRCUIT DESCRIPTION/ADJUSTMENT
CIRCUIT DESCRIPTION
INPUT KEY
POWER
REPEAT
CONFIRM
(TIMER PLAY SW)
(SL16/XS8 SW)
(TxD port)
4. ERROR CODE
DISPLAY
MECHA ERROR 01
MECHA ERROR 02
MECHA ERROR 03
MECHA ERROR 04
MECHA ERROR 05
TE
L 13942296513

ADJUSTMENT

No. ITEM
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.
FOCUS ERROR
1
BIAS
Note:
Type 4 disc :SONY YEDS-18 Test Disc or equivalent.
LPF : Around 47k½ + 390 pF or so.
FIG. (d)
www
.
8
PROCEDURE
Check the transmission signal(Disc No.1 and Track
No.99) of the remote controller.
*DPF-J5020, CD-324M only
Playback PGM signal of the Track
No.7,13,23,30,34 and 41 in the order.And release
he test mode.
Release the test mode.
Check the switch position.
Check the switch position.
Check the SL16-TEXT port.
TxD : H î RxD : L, TxD : L î RxD : H
No input of S3. The original position error of Disc Number.
No input of S2. The turning direction error to
counterclockwise
No input of S1. The turning direction error to clockwise
No input of main load sw.
No input of main unload sw.
S1-3:Mechanism address detector switch.
There are load and unload switches in the main pickup.
INPUT OUTPUT
SETTING SETTING
Test disc Connect an oscillo-
Type4 scope as follows.
/KTD-02 CH1:RF (CN2-1)
RF signal
x ao u163
y
i
2 9
8
ERROR CONTENTS
Q Q
3 6 7 1 3 1 5
PLAYER ALIGNMENT
SETTING POINT
Press the PLAY
/PAUSE key . FE BIAS
Confirm that the VR1
display is "05".
÷ 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)
co
.
9 4 2 8
DISPLAY
TIMER ON , TIMER OFF
16BIT, 8BIT
SENSOR PCB
S2
S3 S1
S1 DISC 1~9
S2 DISC 10~99
S3 DISC 100~200
0 5 8 2 9 9 4 2 8
ALIGN FOR FIG.
Optimum eye
pattern
m
9 9
9 9
(d)