Yamaha DME24N Service Manual page 96

DME24N/DME64N
b. WORD CLOCK EXT. WORD CLOCK IN
Conditions
· Measure by using test No. 5 of "1-27. JITTER Test" in
the test program.
· Select a following value for the Frequency Setting
(Sample Rate) provided to WORD CLOCK IN.
q Jitter (WORD CLOCK IN Input)
Test No. WORD CLOCK
5 44.1kHz
5 48kHz
5 88.2kHz
5 96kHz
c. WORD CLOCK EXT. SLOT
Conditions
· Measure by using test No. 6 of "1-27. JITTER Test" in
the test program.
· Select a following value for the Frequency Setting
(Sample Rate) provided to SLOT4.
q Jitter (WORD CLOCK IN Input)
Test No. WORD CLOCK
6 44.1kHz
6 48kHz
6 88.2kHz
6 96kHz
SCENE No.
SCENE 1
SCENE 2
SCENE 3
SCENE 4
SCENE 5
SCENE 6
SCENE 7
SCENE 8
SCENE 9
SCENE 10
SCENE 11
SCENE 12
SCENE 13
SCENE 14
SCENE 15
SCENE 16
96
Permissible range
5n sec or below
5n sec or below
8n sec or below
8n sec or below
Permissible range
8n sec or below
8n sec or below
10n sec or below
10n sec or below
The subject of
EFFECT
inspection
Reverb DSP6-1 (IC606)
Symphonic DSP6-2 (IC607)
HQ. Pitch DSP6-3 (IC612)
Dyna. Filter DSP6-4 (IC613)
Dyna. Filter DSP6-1 (IC606)
Reverb DSP6-2 (IC607)
Symphonic DSP6-3 (IC612)
HQ. Pitch DSP6-4 (IC613)
HQ. Pitch DSP6-1 (IC606)
Dyna. Filter DSP6-2 (IC607)
Reverb DSP6-3 (IC612)
Symphonic DSP6-4 (IC613)
Symphonic DSP6-1 (IC606)
HQ. Pitch DSP6-2 (IC607)
Dyna. Filter DSP6-3 (IC612)
Reverb DSP6-4 (IC613)
2-2. Tests in Normal Operation
2-2-1. Checking of MIDI THRU Operations
Check that the data input into MIDI IN is output to MIDI
THRU as it is.
2-2-2. Checking of Ether NET Terminal Operations
Check that LCD displays (SCENE No. and SCENE
name) on the tested product (DME64N) and the
completed product test jig (ICP1) are synchronized and
agree with each other.
2-2-3. Sounding Test
Check by listening the following items.
Conditions
· Input an audio signal into 1/2ch of SLOT3, and check
and listen with 1/2ch output of SLOT1.
Inspections
· After recalling SCENE NUMBER 1, listen a music
signal for 15 sec. or longer, and check the following
items.
q Effect sound is generated.
w No noise is generated.
· In similar manner, listen SCENE2 through 32.
(However, SCENE19, 24, 25, and 30 should be
considered as "No SCENE", and listening is not
performed.)
Relations between SCENE No. and EFFECT TYPE
are described as the following table.
2-2-4. Checking of Fan
When power is ON, check the operation of the fan
disposed next to AC IN on the backside.
SCENE No. EFFECT
SCENE 17 Reverb
SCENE 18 Symphonic
SCENE 19 No SCENE
SCENE 20 Dyna. Filter
SCENE 21 Dyna. Filter
SCENE 22 Reverb
SCENE 23 Symphonic
SCENE 24 No SCENE
SCENE 25 No SCENE
SCENE 26 Dyna. Filter
SCENE 27 Reverb
SCENE 28 Symphonic
SCENE 29 Symphonic
SCENE 30 No SCENE
SCENE 31 Dyna. Filter
SCENE 32 Reverb
The subject of
inspection
DSP6-1 (IC606)
DSP6-2 (IC607)
DSP6-4 (IC613)
DSP6-1 (IC606)
DSP6-2 (IC607)
DSP6-3 (IC612)
DSP6-2 (IC607)
DSP6-3 (IC612)
DSP6-4 (IC613)
DSP6-1 (IC606)
DSP6-3 (IC612)
DSP6-4 (IC613)