Yamaha AW 1600, Руководство по обслуживанию

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AW1600
61
4-12-4 Judgment
4-13 CD-RW drive connection test (13.CD-R/W)
4-13-1 Display
4-13-2 Test content
Check the connection between CPU (IC002 on the MAIN
circuit board)
⇔
CN309 on the MAIN circuit board
⇔
CN101 on the IDE circuit board
⇔
CD-RW drive.
4-13-3 Procedures
This test is executed automatically.
If the test completes successfully:
The test menu screen reappears with “
{
” displayed to the
left of the test item, and the cursor advances to the next test
item.
If the test fails or if you wish to cancel the test:
Press the [CANCEL] key. The test menu screen reappears
with “×” displayed to the left of the test item.
4-13-4 Judgment
4-14 WORD CLOCK test (14.W.CLOCK)
4-14-1 Display
4-14-2 Test content
Check the WORD CLOCK GEN. functions (X’tal OSC,
VCO).
4-14-3 Procedures
This test is executed automatically.
If the test completes successfully:
The message “OK!” appears on the LCD. Press the
[ENTER] key. The test menu screen reappears with “
{
”
displayed to the left of the test item, and the cursor advances
to the next test item.
If the test fails:
Press the [CANCEL] key. The test menu screen reappears
with “×” displayed to the left of the test item.
If there is any error, the error message is displayed on the
LCD.
4-14-4 Judgment
Display Judgment
“○”
is displayed to the left of
the test item
The test completes
successfully.
“×”
is displayed to the left of
the test item
The test fails or is canceled.
“
<STATUS> NG:CHANNEL
STATUS & USER BIT
”
is
displayed during the test.
Channel status and user bit in
audio line are invalid.
Check the audio line between
HGA (IC313 on the MAIN
circuit board) and DIR2 (IC302
on the MAIN circuit board).
“
<STATUS> NG:DIR LOCK
”
is displayed during the test.
/LOCK output from DIR2
(IC302 on the MAIN circuit
board) does not vary, or the
word clock from DIR2 (IC302
on the MAIN circuit board) is in
invalid frequency.
“
<AUDIO> NG
”
is displayed
during the test.
Audio signal in audio line is
invalid.
Check the audio line between
HGA (IC313 on the MAIN
circuit board) and DIR2 (IC302
on the MAIN circuit board).
*** 13. CD-R/W ***
OK !
EXIT:[ENTER]
Display Judgment
“○”
is displayed to the left of
the test item
The test completes
successfully.
“×”
is displayed to the left of
the test item
The test fails or is canceled.
“
NG:CD DRIVE ERROR!
”
is
displayed during the test.
Error on the CD-RW drive.
“
NG:CPU <-> CD REGISTER
(PIO) ERROR!
”
is displayed
during the test.
Error between CPU (IC002 on
the MAIN circuit board)
⇔
CD
REGISTER circuit (PIO
transfer).
Display Judgment
“○”
is displayed to the left of
the test item
The test completes
successfully.
“×”
is displayed to the left of
the test item
The test fails or is canceled.
“
44.1k INTERNAL CLOCK
”
is
displayed during the test.
Oscillation error with the 44.1k
word clock. (X302 on the
MAIN circuit board is
defective).
“
44.1k 0% VARI
”
is displayed
during the test.
44.1k oscillation error (IC317
on the MAIN circuit board is
defective.)
“
44.1k +7% VARI
”
is
displayed during the test.
44.1k+7% oscillation error
(IC317 on the MAIN circuit
board is defective).
“
44.1k –10% VARI
”
is
displayed during the test.
44.1k –10% oscillation error
(IC317 on the MAIN circuit
board is defective).
*** 14. W.CLOCK ***
OK !
EXIT:[ENTER]