Phones Test; Details Of Setting Values - Yamaha DME24N Service Manual

1-26. PHONES Test

Content: Give internal oscillation (OSC) by DSP to check the headphone output.

Details of Setting Values

The tests will be performed with the following 9 setting values.
Test No WORDCLOCK Fs
1 INT
2 INT
3 INT
4 INT
5 INT
6 INT
7 INT
8 INT
9 INT
Setting Selection Screen
∗∗∗
26. PHONES
TEST CASE: #1
CLOCK/Fs: INT 96kHz
LEVEL: 30dBFS
Freq/CH: 1kHz: L&R
SEL CASE: [UP/DOWN] or [JOG]
EXEC: [ENTER] , EXIT [CANCEL]
Fig. 49. PHONES Test Screen (1)
Message
· When internal wordclock is detected unsynchronized:
· When unlock is detected:
LEVEL FREQUENCY CH
96k -30dBFS 1kHz L&R
∞
−
96k - L&R
96k -30dBFS 20Hz L&R
96k -30dBFS 40kHz L&R
96k -27dBu 1kHz L&R
96k -30dBFS 1kHz L
96k -30dBFS 1kHz R
48k -30dBFS 1kHz L&R
48k -50dBFS 1kHz L&R
∗∗∗
Testing Items
Gain, Distortion, Level Difference
Residual Noise
f-Gain
f-Gain
Maximum Output
Crosstalk
Crosstalk
Gain, Distortion
MUTE
Executing Screen
∗∗∗
26. PHONES
OK.
NG: INTERNAL UNSYNC
EXIT: [ENTER]
Fig. 50. PHONES Test Screen (2)
NG: INTERNAL UNSYNC ERROR
NG: UNLOCK ERROR
DME24N/DME64N
Indicated in case of O.K.
∗∗∗
Indicated in case of NG.
117