Waveforms - Pioneer XDJ-RX Service Manual

5

10.46 WAVEFORMS

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
1
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.
Power SW ON
2
Ch1: PWR_SW
V: 2 V/div. H: 4 ms/div.
Ch2: TP137 (xEUPSW)
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.
Abnormal power detection operation
3
start up
Ch1: TP2404 (V+3R3EUP)
V: 2 V/div. H: 10 ms/div.
Ch2: TP137 (xEUPSW)
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.
Audio mute operation
4
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.
5
6
LCD backlight
5
(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.
LCD RGB operation (CLK/HD/VD)
6
Ch1: R8843 (LCD_CLK)
V: 2 V/div. H: 10 ms/div.
Ch2: CN8801 - pin 30 (VSD)
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 (VSD)
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.
Over write (Hold off)
USB high side SW operation
7
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.
XDJ-RX
6
7
Grid control
8
Ch1: IC3001 - pin 8 (GRID_SCK)
V: 2 V/div. H: 200 μs/div.
Ch2: IC3001 - pin 1 (GRID_SI)
V: 2 V/div. H: 200 μs/div.
Ch3: IC3001 - pin 3 (MXR_GRID0)
V: 2 V/div. H: 200 μs/div.
Ch4: IC3001 - pin 12 (MXR_GRID6)
V: 2 V/div. H: 200 μs/div.
LED control 1
9
Ch1: IC3002 - pin 11 (LED_SCK)
V: 2 V/div. H: 40 μs/div.
Ch2: IC3002 - pin 12 (LED_RCK)
V: 2 V/div. H: 40 μs/div.
Ch3: IC3002 - pin 14 (LED_SI)
V: 2 V/div. H: 40 μs/div.
Ch4: IC3002 - pin 3 (MXR_LED9)
V: 2 V/div. H: 40 μs/div.
Ch1: IC3002 - pin 11 (LED_SCK)
V: 2 V/div. H: 4 μs/div.
Ch2: IC3002 - pin 12 (LED_RCK)
V: 2 V/div. H: 4 μs/div.
Ch3: IC3002 - pin 14 (LED_SI)
V: 2 V/div. H: 4 μs/div.
Ch4: IC3002 - pin 3 (MXR_LED9)
V: 2 V/div. H: 4 μs/div.
LED control 2 (MENU (at dark lit))
10
Ch1: MXR_GRID4
V: 2 V/div. H: 200 μs/div.
Ch2: MXR_LED9
V: 2 V/div. H: 200 μs/div.
Ch3: LED Anode
V: 5 V/div. H: 200 μs/div.
Ch4: LED cathode
V: 5 V/div. H: 200 μs/div.
Turn On Turn Off
7
8
Matrix key (at MENU button pressed)
11
Ch1: MXR_GRID4
V: 2 V/div. H: 200 μs/div.
Ch2: MXR_KEY2
V: 2 V/div. H: 200 μs/div.
Ch3: S3022 (KEY)
V: 2 V/div. H: 200 μs/div.
Microcomputers communication
12
Ch1: EUP_SS2
V: 2 V/div. H: 100 μs/div.
Ch2: EUP_SCLK
V: 2 V/div. H: 100 μs/div.
Ch3: EUP_MOSI
V: 2 V/div. H: 100 μs/div.
Ch4: EUP_MISO
V: 2 V/div. H: 100 μs/div.
Ch1: EUP_SS2
V: 2 V/div. H: 2 μs/div.
Ch2: EUP_SCLK
V: 2 V/div. H: 2 μs/div.
Ch3: EUP_MOSI
V: 2 V/div. H: 2 μs/div.
Ch4: EUP_MISO
V: 2 V/div. H: 2 μs/div.
167
8
A
B
C
D
E
F