DJM-400
41
5
6
7
8
5
6
7
8
C
D
F
A
B
E
3.16 WAVEFORMS
Note : The encircled numbers denote measuring point in the schematic diagram and pcb diagram.
1
IC700 - pin 3 (SEG6)
V: 2 V/div. H: 1 msec/div.
2
IC700 - pin 12 (TP58) (TXDC)
V: 2 V/div. H: 500
µ
sec/div.
3
IC700 - pin 14 (TP57) (RXDC)
V: 2 V/div. H: 500
µ
sec/div.
4
IC700 - pin 16 (TP56) (SCLKC)
V: 2 V/div. H: 200 nsec/div.
5
IC700 - pin 18 (TP55) (REDSO)
V: 2 V/div. H: 10
µ
sec/div.
6
IC700 - pin 19 (TP54) (RDSC)
V: 2 V/div. H: 10
µ
sec/div.
7
IC700 - pin 20 (TP53) (RADC)
V: 2 V/div. H: 10
µ
sec/div.
8
IC700 - pin 35 (VCC)
V: 2 V/div. H: 10 nsec/div.
9
IC700 - pin 48 (MONO_ST_SW)
(STEREO setting)
V: 2 V/div. H: 10
µ
sec/div.
10
IC700 - pin 63 (XRES)
V: 2 V/div. H: 10 nsec/div.
11
IC700 - pin 66 (EXTAL)
V: 2 V/div. H: 10 nsec/div.
12
IC700 - pin 73 (MD0)
V: 2 V/div. H: 10 nsec/div.
13
IC700 - pin 74 (MD1)
V: 2 V/div. H: 10 nsec/div.
14
IC700 - pin 75 (MD2)
V: 2 V/div. H: 10 nsec/div.
15
IC700 - pin 76 (AVCC)
V: 2 V/div. H: 10 nsec/div.
16
IC700 - pin 78 (AD_CH1_FADER)
(position : MAX)
V: 2 V/div. H: 10 nsec/div.
17
IC700 - pin 92 (VSS)
V: 2 V/div. H: 10 nsec/div.
18
IC700 - pin 100 (GR0)
V: 2 V/div. H: 2 msec/div.
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
MAIN ASSY
1/3
A
CH
Input signal
TRIM
EQ HI
EQ MID
EQ LO
CH FADER
CD
1k/0db
MAX
(display MAX)
MID
MID
MID
MAX
LINE
1k/0db
MAX
(display MAX)
MID
MID
MID
MAX
PHONO
1k/-40db
MAX
(display MAX)
MID
MID
MID
MAX
CH 1/2 Input selector
Input signal
TRIM
EQ HI
EQ LO
MIC selector sw
AUX L/R
1k/0db
MAX
(display MAX)
MID
MID
ON
MIC 1/2
1k/-40db
MAX
(display MAX)
MID
MID
ON
CH-1
CH-2
OFF
OFF
FADER START
MAS VR
MAX
(display MAX)
MONO/ST
ST
C/FADER
THRU
Input signal
HP LEVEL
CH1
1k/-14db
MAX
ON
HP
Measuring conditions (Analog)
Top panel : only a measurement line is inputted.