Test Program - Yamaha CDR1000 Service Manual

CDR1000
D2 Key Switch
Connect the FOOT SW to the FOOT SW jack and select this test program.
The display will appear as shown below.
D2: FOOT SW
Turn on the FOOT SW. If the check result is OK, move to the next switch check. The switches are tested in the following
order.
FOOT SW -> OPEN/CLOSE -> ERASE -> FINALIZE -> PEAK HOLD -> TIME DISPLAY -> INPUT SELECT-> UTILITY
-> REC MUTE -> UV22 -> REPEAT -> A-B -> SYNC REC -> AUTO -> INDEX INC ->TRACK INC -> PREV -> NEXT ->
INDEX<< ->INDEX>> -> SEARCH<< -> SEARCH>> ->PAUSE ->STOP-> PLAY ->REC
D3 Remote Control
When this program is selected, the display will appear as shown below.
D3: OPEN/C
Press the OPEN/CLOSE button on the remote control unit. When the check result is OK,
the display will appear as shown below.
D3: RM END
D4 Parallel I/O
Short the terminal as shown below and check that the main unit operates properly as commanded.
D5 EEPROM Initialize
Execute testing, and the EEPROM will be initialized.
D6 ANALOG Input
Input a 1 kHz, -10 dBm signal into the ANALOG IN L and R, check that the output level at ANALOG OUT L and R is 0
dBm ± 1 dB.
Also, check that a full-scale, -18.5 dBm ± 1 dB signal is output from COAXIAL OUT and AES/EBS OUT.
Set the GAIN switch to -10 dBV, check that the output level at ANALOG OUT L and R is +11.8 dBm ± 1 dB.
D7 COAXIAL Input
Input a 1 kHz, full-scale signal into the COAXIAL IN, check that the output level at ANALOG OUT L and R is +18.5 dBm
± 1 dB.
Also, check that a 1 kHz, full-scale signal is output from COAXIAL OUT, AES/EBS OUT.
D8 AES/EBU Input
Input a 1 kHz, full-scale signal into the AES/EBS IN, check that the output level at ANALOG OUT, L and R is +18.5 dBm
± 1 dB.
Also, check that a 1 kHz, full-scale signal is output from COAXIAL OUT, AES/EBS OUT.
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