PIONEER DJ AlphaTheta CDJ-3000-W, Service Manual

Page: 19 / 89

19
CDJ-3000
5 6 7 8
5 6 7 8
A
B
C
D
E
F
1 Poor adjustment If not normal, refer to "8.5 TEMPO ZERO POINT
ADJUSTMENT" to adjust TEMPO slider.
[4-3] TEMPO slider is not working
No. Cause Diagnostics Point Item to be Confirmed Corrective Action Reference
Confirm that ADCT value is normal (about
1.65 V). SLDB Assy
— 1 Volume circuit
have defect Repair defective solder, defective connections,
and the peeled patterns if found.
[4-4] TOUCH/BRAKE volume is not working
No. Cause Diagnostics Point Item to be Confirmed Corrective Action Reference
Confirm TCHBRK circuit from VR8200
(TOUCH/BRAKE) to IC7202 (PANEL CPU). SUB2 Assy
— 2 Volume has defect If not confirmed, replace VR8200 (TOUCH/BRAKE). Operate Volume and confirm that the voltage of
the TCHBRK signal change from 0 V to 3.3 V. SUB2 Assy
— 2 TEMPO slider
circuit have defect Repair defective solder, defective connections,
and the peeled patterns if found. Confirm ADIN circuit from VR8400 (TEMPO
slider) to IC7202 (PANEL CPU). SLDB Assy
— 3 TEMPO slider
has defect If not confirmed, replace VR8400 (TEMPO slider). Operate TEMPO slider and confirm that the
voltage of the ADIN signal change from 0 V
to 3.3 V. SLDB Assy
— 4 PANEL CPU
has defect Replace IC7202 (PANEL CPU). The problem has not improved until the above. PNLB Assy
— 3 PANEL CPU
has defect Replace IC7202 (PANEL CPU). The problem has not improved until the above. PNLB Assy
— 5 PANEL CPU
has defect Replace IC7202 (PANEL CPU). The problem has not improved until the above. PNLB Assy
— 5 PANEL CPU
has defect Replace IC7202 (PANEL CPU). The problem has not improved until the above. PNLB Assy
MLCB Assy
— — 1 Poor calibration If it is out of alignment, perform the calibration
again.
[4-5] The touch panel is not working
No. Cause Diagnostics Point Item to be Confirmed Corrective Action Reference
Confirm that you cannot touch the desired
point due to misalignment.
— 2 It has defective
connectors and
so on Repair defective solder and defective connections
if found. Confirm the circuit between CN6209 (Touch
panel connector) and CN6205 (connect to
PANEL CPU).
PNLB Assy 3 The touch panel
circuit have defect Repair defective solder and defective connections
if found. Confirm XIN and YIN circuits from CN7205
(Touch panel signal connector) to IC7202
(PANEL CPU).
PNLB Assy
—
4 The touch panel
have defect If not confirmed, replace the touch panel. Confirm that the voltage of XIN and of YIN
change from 0 V to 3.3 V when you touch
the touch screen.
8.5 TEMPO ZERO
POINT
ADJUSTMENT
10.45 WAVEFORMS
3
10.45 WAVEFORMS
D
— — 1 Encoder plate
has defect Install the Encoder plate correctly.
Replace the plate if it is dirty or damaged.
[4-6] The Jog rotation is not detected
No. Cause Diagnostics Point Item to be Confirmed Corrective Action Reference
Confirm that Encoder plate is properly
installed and that Encoder plate is not dirty
or damaged.
— JOGB Assy 3 Photo-interrupter
circuit have defect Repair defective solder and defective connections
if found. Confirm JOG1 and JOG2 circuits from PC4990
(Photo-interrupter) to IC7202 (PANEL CPU).
JOGB Assy 4 Photo-interrupter
has defect If not confirmed, replace PC4990 (Photo-interrupter). Confirm that JOG1 and JOG2 signals
continue to flip L or H at 90 degrees different
phases when the jog is rotated.
— Photo-interrupter 2 Photo-interrupter
has defect Install the Photo-interrupter correctly. Confirm that Photo-interrupter is properly
installed into the Encoder plate.