Aiwa AM-HX50, Руководство по обслуживанию

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19
TEST MODE
Each operation is displayed on the LCD of the remote control. Proceed to the next operation using the keys of the main unit and the remote
control.
* The test mode is operated ignoring abnormalities. If an abnormality occurs, disconnect the power plug immediately.
* The HOLD switch of the remote control functions during the test mode.
1. Starting and stopping the test mode
(1) Starting
While pressing the “VOL-” key of the main unit and the “VOL-
” key of the remote control, turn on the power (by installing the
battery).
After the test mode starts, all LCD indicators light and the EL
back indicator lights.
Then, “Engineer MODE Ver. *. **” appears.
(2) Stopping
To stop the test mode, turn off the power.
2. Test mode operation
The test mode consists of 14 modes, No. 0 to No. 13 (00 to 0d). The
test modes are arranged in order of playback.
Select a mode using the VOL +/- key and execute/stop the mode
using the PLAY key. When the mode is executed, the data is
displayed in “$XXXX”.
* The value of “$XXXX” is IC internal data and has no meaning.
(except for No.13).
If an error occurs during checking, “Failed” is displayed.
E n g i n e e r M
PRGM
RNDM
1 TR NO.
LCD display during startup of test mode
L a s e r $ 5 0
TR NO.
MODE NO.
Example of mode display
0
1
2
3
4
5
6
7
8
9
10
11
12
13
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
Laser $XX
VC $XXXX
ABCD $XXXX
FE $XXXX
TE $XXXX
FOCUS CHK
FOCUS SRCH
FOCUS ON!
Laser $ XX
ABCD G $XX
EF $XXXX
FG $XXXX
TG $XXXX
FB $XXXX
XXXc XXs
Laser power adjustment value
VC offset
ABCD input offset
Focus error offset
Tracking error offset
Focus search (focus servo OFF), spindle rough servo
Focus search, spindle rough servo
During DISC IN, focus servo ON
Laser power adjustment value
ABCD AGC
Traverse adjustment value
Focus gain adjustment value
Tracking gain adjustment value
Focus bias adjustment value
ALL SERVO ON, cluster address, sector address display
NO. LCD display Contents