Pioneer TRAKTOR PRO CDJ-350, Руководство по обслуживанию

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CDJ-350
5 6 7 8
5 6 7 8
A
B
C
D
E
F
5. DIAGNOSIS
5.1 POWER ON SEQUENCE
If checking fails once, the S-shaped waveform
will be measured with RF gain increased.
If the level of the S-shaped waveform is 0.88 V p-p or less,
focusing is turned O N with OEIC and RG gains increased.
If checking fails three times, “EJECT” will be
displayed on the FL display.
The first track is searched for.
After TOC reading is completed
Waiting 300 ms
Tracking balance adjustment (Tracking open)
Tracking close
GFS (RF lock) check
Main CPU
Panel CPU
Adjustment of tracking and focus offset
Spindle kick, focus sweep, and focus O N
Checking if focus is OK
Audio DSP
Servo DSP
CD drive
Playback (Muting OFF)
Focus gain adjustment
AC I N (Plugging of the AC power cord)
Power supply (E V +5PaneCPU) to the Panel CPU starts.
Reset IC
TOC reading
Depending on the accuracy
of the stepper, the TOC
position memory will be
located after the unit is
turned O
N .
Tracking gain adjustment
RF gain adjustment
If the pickup is reading the
program area, it will jump
to the TOC area.
The program is downloaded to IC301 (audio DSP).
The Reset signal is sent to the IC103 (Pin 158) Audio DSP.
IC301 (Pin 47) receives the Reset signal.
IC501 (Pin 12) receives the Reset signal.
The Reset signal is sent to the IC502 Panel CPU.
POWER O N (Press the STA N DBY/O N key.)
Main CPU
STA N DBY mode is entered.
*FL display: Unlit. The STA N DBY/O N LED is lit in red.
Panel CPU
Panel CPU
Power supply to the Main CPU (Pin 4 of IC501) starts.
The Reset signal is sent to the IC501 (Pin 40) Main CPU.
The Reset signal is sent to the IC103 (Pin 69) servo DSP.
If communication fails, “E–8709” will be
displayed on the FL display.
STA N DBY mode is shifted to O N mode.
“POWER O N ” is displayed on the FL display.
The STA N DBY/O N LED is lit in green.
Focus balance adjustment
IC103 (Pin 59) receives the Reset signal.
Communication between the main CPU and
audio CPU starts.
IC201 (Pin 90) receives the Reset signal.
Checking the inside SW
LD (Laser Diode) O N
Acceleration of spindle (100 ms)
CL V servo O N