167
XDJ-RX
5
6
7
8
5
6
7
8
A
B
C
D
E
F
10.46 WAVEFORMS
Over write (Hold off)
Turn On
Turn Off
NOTE:
The following waveforms were measured at the point of the corresponding
balloon number in the schematic diagram and PCB diagram.
Power cord connection
→
EUP start up
Ch1:
IC3603 - pin 6
(
V
+12E)
V
: 10
V
/div. H: 4 ms/div.
Ch2:
IC3602 - pin 2
(
V
+3R3E)
V
: 2
V
/div. H: 4 ms/div.
Ch3:
IC3601 - pin 15
(EUP X'tal)
V
: 2
V
/div. H: 4 ms/div.
Ch4:
IC3602 - pin 1
(EUP xRST)
V
: 2
V
/div. H: 4 ms/div.
1
LCD backlight
(start state/DIMMER mode "3")
Ch1:
LCD_PWM
V
: 2
V
/div. H: 10 ms/div.
Ch2:
CN8701 - pin 1
V
: 5
V
/div. H: 10 ms/div.
Ch3:
CN8701 - pin 2
V
: 2
V
/div. H: 10 ms/div.
5
Grid control
Ch1:
IC3001 - pin 8
(GRID_SCK)
V
: 2
V
/div. H: 200
μ
s/div.
Ch2:
IC3001 - pin 1
(GRID_SI)
V
: 2
V
/div. H: 200
μ
s/div.
Ch3:
IC3001 - pin 3
(MXR_GRID0)
V
: 2
V
/div. H: 200
μ
s/div.
Ch4:
IC3001 - pin 12
(MXR_GRID6)
V
: 2
V
/div. H: 200
μ
s/div.
8
Matrix key (at MENU button pressed)
Ch1:
MXR_GRID4
V
: 2
V
/div. H: 200
μ
s/div.
Ch2:
MXR_KEY2
V
: 2
V
/div. H: 200
μ
s/div.
Ch3:
S3022
(KEY)
V
: 2
V
/div. H: 200
μ
s/div.
11
LCD RGB operation (CLK/HD/VD)
Ch1:
R8843
(LCD_CLK)
V
: 2
V
/div. H: 10 ms/div.
Ch2:
CN8801 - pin 30
(
V
SD)
V
: 2
V
/div. H: 10 ms/div.
Ch3:
CN8801 - pin 31
(HSD)
V
: 2
V
/div. H: 10 ms/div.
Ch4:
CN8801 - pin 34
(B7)
V
: 2
V
/div. H: 10 ms/div.
Ch1:
R8843
(LCD_CLK)
V
: 2
V
/div. H: 40 ns/div.
Ch2:
CN8801 - pin 30
(
V
SD)
V
: 2
V
/div. H: 40 ns/div.
Ch3:
CN8801 - pin 31
(HSD)
V
: 2
V
/div. H: 40 ns/div.
Ch4:
CN8801 - pin 34
(B7)
V
: 2
V
/div. H: 40 ns/div.
6
LED control 1
Ch1:
IC3002 - pin 11
(LED_SCK)
V
: 2
V
/div. H: 40
μ
s/div.
Ch2:
IC3002 - pin 12
(LED_RCK)
V
: 2
V
/div. H: 40
μ
s/div.
Ch3:
IC3002 - pin 14
(LED_SI)
V
: 2
V
/div. H: 40
μ
s/div.
Ch4:
IC3002 - pin 3
(MXR_LED9)
V
: 2
V
/div. H: 40
μ
s/div.
Ch1:
IC3002 - pin 11
(LED_SCK)
V
: 2
V
/div. H: 4
μ
s/div.
Ch2:
IC3002 - pin 12
(LED_RCK)
V
: 2
V
/div. H: 4
μ
s/div.
Ch3:
IC3002 - pin 14
(LED_SI)
V
: 2
V
/div. H: 4
μ
s/div.
Ch4:
IC3002 - pin 3
(MXR_LED9)
V
: 2
V
/div. H: 4
μ
s/div.
9
Microcomputers communication
Ch1:
EUP_SS2
V
: 2
V
/div. H: 100
μ
s/div.
Ch2:
EUP_SCLK
V
: 2
V
/div. H: 100
μ
s/div.
Ch3:
EUP_MOSI
V
: 2
V
/div. H: 100
μ
s/div.
Ch4:
EUP_MISO
V
: 2
V
/div. H: 100
μ
s/div.
Ch1:
EUP_SS2
V
: 2
V
/div. H: 2
μ
s/div.
Ch2:
EUP_SCLK
V
: 2
V
/div. H: 2
μ
s/div.
Ch3:
EUP_MOSI
V
: 2
V
/div. H: 2
μ
s/div.
Ch4:
EUP_MISO
V
: 2
V
/div. H: 2
μ
s/div.
12
Power SW ON
Ch1:
PWR_SW
V
: 2
V
/div. H: 4 ms/div.
Ch2:
TP137
(xEUPS
W
)
V
: 10
V
/div. H: 4 ms/div.
Ch3:
TP103
(
V
+12D)
V
: 10
V
/div. H: 4 ms/div.
Ch4:
TP106
(
V
+12A)
V
: 10
V
/div. H: 4 ms/div.
2
Abnormal power detection operation
start up
Ch1:
TP2404
(
V
+3R3EUP)
V
: 2
V
/div. H: 10 ms/div.
Ch2:
TP137
(xEUPS
W
)
V
: 10
V
/div. H: 10 ms/div.
Ch3:
TP103
(
V
+12D)
V
: 10
V
/div. H: 10 ms/div.
Ch4:
TP311
(F_DET)
V
: 2
V
/div. H: 10 ms/div.
3
Audio mute operation
Ch1:
V+12EUP
V
: 10
V
/div. H: 4 s/div.
Ch2:
xEUPSW
V
: 10
V
/div. H: 4 s/div.
Ch3:
AUDIO_MUTE
(CPU_MUTE)
V
: 2
V
/div. H: 4 s/div.
Ch4:
A_MUTE
(MUTE)
V
: 10
V
/div. H: 4 s/div.
4
USB high side SW operation
Ch1:
V+5R14A1/V+5R14A2
V
: 5
V
/div. H: 1 s/div.
Ch2:
USBEN_A1/USBEN_A2
V
: 2
V
/div. H: 1 s/div.
Ch3:
USBOCS_A1/USBOCS_A2
V
: 2
V
/div. H: 1 s/div.
Ch4:
V+5VBUS_A1/V+5VBUS_A2
V
: 5
V
/div. H: 1 s/div.
7
LED control 2 (MENU (at dark lit))
Ch1:
MXR_GRID4
V
: 2
V
/div. H: 200
μ
s/div.
Ch2:
MXR_LED9
V
: 2
V
/div. H: 200
μ
s/div.
Ch3:
LED Anode
V
: 5
V
/div. H: 200
μ
s/div.
Ch4:
LED cathode
V
: 5
V
/div. H: 200
μ
s/div.
10