Adjustment - Pioneer PDR-L77 Service Manual

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6. ADJUSTMENT

6.1 DISCS TO BE USED
1. When adjusting the servo system adjustment
CD : Test disc for adjustment (STD-903 or equivalent)
6.2 JIGS AND MEASURING
INSTRUMENTS
(1) Laser Power Meter
Following power meter manufactured by Advantest Corporation
or equivalent :
TQ8210 + TQ82017
TQ8215 + TQ82021
TQ8215 + TQ82010 + TQ82017
LE8010 (by LEADER)
(2) Oscilloscope
(3) CD Jitter Meter
(4) Remote control supplied with PDR-L77 (AXD7242)
[(5)LD service remote control (GGF1067)]
6.3 TEST MODE
6.3.1 Test Mode
For adjustment, set the unit to Test mode. To enter Test mode, turn
on the unit with the Test Mode Short-Circuit pattern on the CDR
TE
L 13942296513
Assy. In Test mode, the display (FL) on the unit lights as follows.
0 00 00´00´´
If not, turn the power off and repeat the same steps again.
www
.
Fig. 1 Enter the Test mode
http://www.xiaoyu163.com
CDR ASSY
SIDE B
Short-circuit
x
ao
u163
y
i
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2 9
8
6.3.2 Operations in Test Mode
Please use the remote control provited with the PDR-L77(AXD7242)
or the LD service remote control(GGF1067).
In Test mode, the following adjustment functions are assigned to
the buttons, as explained below.
7 During adjustment of LD power
("DIGITAL" segment does not light this time)
ERASE button
(TV/LDP button)
: Switching CD/CD-R/CD-RW
STOP button
(STOP/OPEN CLOSE button)
: LD off
INPUT SELECTOR button
(DIG/ANA button)
: Test mode switch
Q Q
3
6 7
1 3
1 5
Fig.2 During adjustment of LD power
7 During adjustment of servo system
("DIGITAL" segment lights this time)
FINALIZE button
(REP. A button)
: Focus in
ERASE button
(TV/LDP button)
: Adjustment value decision
DIGITAL SYNCHRO button
(STILL STEP e button)
: Adjustment value decision
STOP button
(STOP/OPEN CLOSE button)
: Stop
PAUSE button
(PAUSE button)
: Tracking servo close
INPUT SELECTOR button
(DIG/ANA button)
: Test mode switch
1, ¡ button
(4, ¢ button)
: Sled move
co
.
Fig.3 During adjustment of servo system
PDR-L77
9 4
2 8
COMPACT DISC RECORDER
REMOTE CONTROL UNIT
REC MUTE button
CU–PD113
Î
(SIDE B button)
: LD on 2
@ STANDBY/ON
FADER
FINALIZE
REC
RECORD button
DIGITAL
AUTO/
TRACK NO.
(SIDE A button)
ERASE
SYNCHRO
MANUAL
WRITE
: LD on 1
&
*
#
TIME
1, ¡ button
!
$
(4, ¢ button)
INPUT
SKIP ID
: Sled move
SELECTOR
SKIP PLAY
SET
CLEAR
1
2
3
4
5
6
7
8
9
10/0
>10
REPEAT
PROGRAM CHECK CLEAR RANDOM
AXD7242
(The button shown in
0 5
8
2 9
9 4
2 8
corresponds in GGF1067.)
REC MUTE button
(SIDE B button)
: Adjustment
COMPACT DISC RECORDER
REMOTE CONTROL UNIT
RECORD button
CU–PD113
Î
(SIDE A button)
@ STANDBY/ON
: Adjustment
FADER
FINALIZE
REC
AUTO/MANUAL,
DIGITAL
AUTO/
TRACK NO.
SYNCHRO
ERASE
MANUAL
WRITE
TRACK No. WRITE button
(CX button)
&
*
#
TIME
: Servo adjustment mode switch
!
$
PLAY button
INPUT
SKIP ID
(PLAY button)
SELECTOR
SKIP PLAY
SET
CLEAR
: Spindle kick
1
2
3
4
5
6
7
8
CLEAR button
(X3 3 button)
9
10/0
>10
REPEAT
: Adjustment value initialization
PROGRAM CHECK CLEAR RANDOM
BET button
(TV/LDP button)
: Adjustment value decision
m
AXD7242
(The button shown in
corresponds in GGF1067.)
9 9
9 9
51

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