Table of Contents
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Ver 1.1 1998.05
Outline
• In this set, overall adjustment mode is made available by enter-
ing test mode to perform automatic adjustment of CD and MO.
In the overall adjustment mode, the disc is determined whether
it is CD or MO and adjustments are performed in sequence. If a
fault is found, the location of the fault is displayed. Also, in servo
mode, each adjustment can be automatically made.
Setting the Test Mode
To enter the test mode, two methods are available :
1. Entering method with key input.
Turn on the HOLD switch on the set. While holding down the p
key on the set, press the following remote commander keys in
the following order :
+ n
+ n
= n
=
n P n P
2. Entering method by shorting the test point
Solder bridge the test point TAP801 (TEST) on the main board
(connect IC801 pin #™ to GND), and turn on the POWER.
[MAIN BOARD] (Conductor side)
Test mode
(
)
Short : Test mode
Open : Normal mode
Releasing the Test Mode
1. When test mode was entered with key input, turn off the POWER.
2. When test mode was entered by shorting the test point, turn off
the POWER and open the solder bridge of TAP801 (TEST
MODE) on the main board.
Operation of Setting on Test Mode
When the test mode is set, the LCD displays the following :
V2. 00
ROM version display
LCD on remote commander
• ROM version display to all LEDs ON to all LEDs OFF and so
on.
These operations are repeated.
• When the PLAY MODE key is pressed and hold down, the dis-
play at that time is held so that display can be checked.
SECTION 4
TEST MODE
= n
+ n
= n
+ n
Configuration of Test Mode
The test mode has the configuration given below.
VOL
+ key
Overall
adjustment
p key
mode (Auto?)
VOL
– key
Adjustment
mode
p key
(Manu ?)
Displays of the LCD on the remote commander
are shown in parentheses.
Servo Mode
• Set the test mode, press the VOLUME – key and use the ( key
to set the servo mode.
• When the servo mode is set, use the + key and the = key
to move the optical pick-up to the outer circumference and to
the inner circumference respectively.
• When entering another mode, refer to the configuration of test
mode.
1. Structure of Servo Mode
Servo mode
" key
0 0 0
p key
Offset adjustment
p key
1
(See page 12.)
– 11 –
" key
(Start ?)
p key
p key
" key
Servo mode
0 0 0
+, – keys
Audio mode
1 0 0
+, – keys
Servo mode
3 0 0
" key
0 1 0
011 to 013
p key
*1
" key
Laser power
" key
adjustment
0 2 0
021 to 024
p key
*1
2
3
*1 Repeatedly press " key
to change the mode.
(Refer to the following list
for a description of each
mode.)
" key
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