Yamaha CRD-HD1300 Service Manual page 22

CDR-HD1300/CDR-HD1300E
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Step Item
3 A/D converter
Signal generator
1kHz/20Hz/20kHz
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Mode Input signal
DAC mode LINE IN (ANALOG)
1kHz, 20Hz, 20kHz
500mVrms
CDR-HD1300/CDR-HD1300E
500mVrms
LINE IN
DIGITAL OUT
(ANALOG)
(COAXIAL)
Level meter
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8
Disc
1. Press the "MENU" key.
No disc
Rotate the "MULTI JOG" knob to select
"DAC mode" then press the "MULTI JOG"
knob.
2. Set the INPUT selector to the ANALOG posi-
tion.
3. Apply a 1kHz, 500mVrms analog signal to the
LINE IN (ANALOG).
4. Demodulate the digital signal of DIGITAL OUT
(COAXIAL) to analog.
5. Adjusting the ANALOG REC LEVEL control
knob, check that the demodulated signal
level can be set to 1Vrms.
6. At this time, check that the REC LEVEL con-
trol knob is close to the 12 o'clock position.
7. Check that the distortion factor is 0.02% or less.
8. Check that the S/N is 82dB or more. (Input
shorted, REC LEVEL max.)
9. Check that the frequency response (at 20Hz
and 20kHz) is 0 ± 1.5dB.
10. Press the "
mode.
AV amplifier
DIGITAL IN
PRE OUT
(COAXIAL)
Q Q
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Check method and standard
" key to return to the normal
Oscilloscope
Level meter
Distortion meter
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