Waveforms - Pioneer DDJ-ERGO-V Service Manual

5

10.13 WAVEFORMS

Note:
The indicated voltage values of the oscilloscope in this section are reference values and may vary, depending on the settings of the
oscilloscopes and probes.
The numerics circled or surrounded with a frame denote numbers for the measurement points indicated in the circuit diagrams and PCB diagrams.
B
IFPW ASSY
Power control
Mode: POWER ON
TP/IC304 - pin 5 (V+VBUS)
1
V: 2.0 V/div. H: 20 mS/div.
TP/CN102 - pin 15 (PWR_SW)
2
V: 2.0 V/div. H: 20 mS/div.
TP/CN102 - pin 31 (PWR_ON)
3
V: 2.0 V/div. H: 20 mS/div.
TP/Q306 - pin 1, 2, 5, 6 (V+ 5_D)
5
V: 2.0 V/div. H: 20 mS/div.
1
2
3
5
USB UCOM strat up
Mode: POWER ON
IC307 - pin 2 (V+5_USB)
7
V: 5.0 V/div. H: 200 mS/div.
TP/IC303 - pin 4 (V+3R3_USB)
8
V: 2.0 V/div. H: 200 mS/div.
IC102 - pin 10 (USB_XRST)
4
V: 2.0 V/div. H: 200 mS/div.
IC102 - pin 51 (XTALI)
5
V: 2.0 V/div. H: 200 mS/div.
7
8
4
5
I2C USB UCOM-EEPROM (1)
Mode: POWER ON
IC102 - pin 10 (USB_XRST)
4
V: 2.0 V/div. H: 200 mS/div.
TP/CN102 - pin 21 (EEP_SCL)
6
V: 2.0 V/div. H: 200 mS/div.
TP/CN102 - pin 19 (EEP_SDA)
7
V: 2.0 V/div. H: 200 mS/div.
4
6
7
5
6
I2C USB UCOM-EEPROM (2)
Mode: POWER ON
IC102 - pin 10 (USB_XRST)
4
V: 2.0 V/div. H: 20 μS/div.
TP/CN102 - pin 21 (EEP_SCL)
6
V: 2.0 V/div. H: 20 μS/div.
TP/CN102 - pin 19 (EEP_SDA)
7
V: 2.0 V/div. H: 20 μS/div.
4
6
7
I2C USB UCOM-MAIN UCOM
Mode: POWER ON
IC102 - pin 10 (USB_XRST)
4
V: 2.0 V/div. H: 4.0 μS/div.
TP/CN102 - pin 21 (EEP_SCL)
6
V: 2.0 V/div. H: 4.0 μS/div.
TP/CN102 - pin 19 (EEP_SDA)
7
V: 2.0 V/div. H: 4.0 μS/div.
4
6
7
AUDIO power supply
Mode: POWER ON
TP/IC302 - pin 6 (V+5_DD)
6
V: 2.0 V/div. H: 100 mS/div.
TP/CN101 - pin 5 (V+7_J)
10
V: 2.0 V/div. H: 100 mS/div.
TP/CN101 - pin 4 (V-6_J)
12
V: 2.0 V/div. H: 100 mS/div.
TP/IC301 - pin 4 (V+5_A)
13
V: 2.0 V/div. H: 100 mS/div.
6
10
12
13
DDJ-ERGO-V
6
7
Abnormal voltage detection (1)
Mode: POWER ON
TP/IC304 - pin 4 (V+3R3_UCOM)
2
V: 2.0 V/div. H: 40 mS/div.
TP/IC303 - pin 4 (V+3R3_USB)
8
V: 2.0 V/div. H: 40 mS/div.
TP/Q306 - pin 1, 2, 5, 6 (V+ 5_D)
5
V: 2.0 V/div. H: 40 mS/div.
TP/R337 (FAULT_DET)
8
V: 2.0 V/div. H: 40 mS/div.
2
8
5
8
Abnormal voltage detection (2)
Mode: POWER ON
(TP)/IC301 - pin 5 (V+7)
9
V: 2.0 V/div. H: 40 mS/div.
TP/IC301 - pin 4 (V+5_A)
13
V: 2.0 V/div. H: 40 mS/div.
TP/R337 (FAULT_DET)
8
V: 2.0 V/div. H: 40 mS/div.
9
13
8
Voltage detection
Mode: POWER ON
IC304 - pin 5 (V+VBUS)
1
V: 5.0 V/div. H: 40 mS/div.
IC307 - pin 2 (V+5_USB)
7
V: 5.0 V/div. H: 40 mS/div.
TP/CN102 - pin 37 (VBUS_DET)
9
V: 5.0 V/div. H: 40 mS/div.
TP/CN102 - pin 33 (FAULT_DET2)
10
V: 5.0 V/div. H: 40 mS/div.
1
7
9
10
7
8
USB DP/DN (1)
Mode: POWER ON
IC102 - pin 7 (USB_DP)
14
V: 2.0 V/div. H: 10 μS/div.
IC102 - pin 8 (USB_DV)
15
V: 2.0 V/div. H: 10 μS/div.
14
15
USB DP/DN (2)
Mode: POWER ON
IC102 - pin 7 (USB_DP)
14
V: 2.0 V/div. H: 400 nS/div.
IC102 - pin 8 (USB_DV)
15
V: 2.0 V/div. H: 400 nS/div.
14
15
USB control (1)
Mode: POWER ON
IC102 - pin 10 (USB_XRST)
4
V: 2.0 V/div. H: 1.0 S/div.
TP/CN102 - pin 34 (USB_CTRL1)
16
V: 2.0 V/div. H: 1.0 S/div.
TP/CN102 - pin 7 (USB_CTRL2)
17
V: 2.0 V/div. H: 1.0 S/div.
4
16
17
73
8
A
B
C
D
E
F