Yamaha RS7000 Service Manual page 52

RS7000
13. A/D -> D/A (LINE)
//// RS7000 Test Program ////
13:AD-DA(LINE) :Press [ENTER]
This tests the signal route from the A/D input to D/A output. (By
default, the Gain is set to LINE.)
(Test method)
Use the following procedure to input a 1 kHz +/-5 Hz, -16.0 +/-
0.2 dBm sine wave to the [INPUT R] jack, and verify that an
output of the following level is obtained from the [OUTPUT L]
and [OUTPUT R] jacks.
At this time, set the [REC VOLUME] and [MASTER VOLUME]
to Max.
//// RS7000 Test Program ////
13:AD-DA(LINE) :ON
Rch input
(Items to check)
Move the [REC VOLUME] knob and verify that the volume
changes.
Also verify that the LCD display ON/OFF indication changes as
the jack is plugged in or unplugged.
OUTPUT L: -68 dBm or less (10 k-ohm load)
OUTPUT R: 1 kHz +/-5 Hz, sine wave, +4.0 +/-2 dBm
(10 k-ohm load) (less than 0.1% distortion)
When you press the [EXIT] button the sound will stop, and you
will be able to select another test item.
14. Card
//// RS7000 Test Program ////
14:Card
This checks whether the Smart Media is protected, and performs
52
[-1] [+1]
xxx:ON (when
:xxx inserted) or
OFF (when not
inserted)
:Press [ENTER]
[-1] [+1]
a format/write/read/verify check on the Smart Media.
It also check whether the Smart Media has been removed.
(Test method)
First insert the Smart Media with protect turned on, and execute
the test.
Next insert the Smart Media with protect turned off, and execute
the test.
Finally execute the test without inserting Smart Media.
Verify that a WRPRT error is generated when the Smart Media
is inserted with protect turned on, and that OK is displayed when
the Smart Media is inserted with protect turned off.
The test result will be displayed in the LCD, the test will end,
and you will be able to select another test item.
If a result of NG is returned during this test, refer to section "(E)
Proceeding to the next test if a result is NG" for the actions to
take.
(Test result display)
//// RS7000 Test Program ////
OK
14:Card
NG
//// RS7000 Test Program ////
14:Card
Error codes
RD/WR : read/write error
NOCARD : no card (no card is inserted)
WRPRT : write protect
15. SCSI
//// RS7000 Test Program ////
15:SCSI
When you enter this test, a 1 sector read/write will be performed
on the hard disk connected to the [SCSI] connector. At this time,
set the SCSI ID of the hard disk to 4.
The test result will be displayed in the LCD, the test will end,
:OK
[-1] [+1]
:NG xxxxxx xxxxxx: Error code
(see below)
[-1] [+1]
:Press [ENTER]
[-1] [+1]