Pioneer CDJ-800MK2 Service Manual page 101

5
Player (4/4)
Sites Waveforms
The spindle motor does not rotate after entering Test Operation mode of Service mode.
z Check if the FFC cable that connects the TM
MAIN Assy
and MAIN Assys is securely connected to
CN102, if the conductor side is defective, or if
there is any cable breakage. Also check for loose
connection of connectors.
x Check if the Loading Mechanism Assy
Player
operates normally. (Check if there is a clamping
error or scratching noise of the disc.)
c Check if 7 V power is supplied to R121 to
MAIN Assy
R126 on the MAIN Assy.
v Check if the PWM waveform that oscillates
MAIN Assy MAIN Assy
centered around 1.65 V can be observed for the
12
DMO Test Land on the MAIN Assy.
The slider does not move after entering Test Operation mode of Service mode.
z Check if the FFC cable (stepper flexible cable)
RLYB Assy
is connected to CN1104 on the RLYB Assy.
x Because the slider does not move until the
MAIN Assy
Inside signal is recognized, check if the FFC
cable that connects the TM and MAIN Assys is
securely connected to CN102, if the conductor
side is defective, and if there is any cable
breakage. Also check for loose connection of
connectors.
c Check if the signal at Pin 1 of CN102
MAIN Assy
becomes low when the power is turned on.
(Is the Inside switch damaged?)
v Check if power is supplied to IC102.
MAIN Assy
b Check if a sine-wave signal is input to Pins 1
MAIN Assy MAIN Assy
15 16 , and 2 of IC102.
User setting
Sites Waveforms
After the power is turned off, the user settings, such as AUTO CUE and TIME MODE settings, are cleared.
With this model, the CUE point, AUTO CUE, and TIME MODE settings and error logs are stored in the flash memory on the MAIN
Assy as user settings. No error indication is displayed for this symptom.
MAIN Assy After resetting the user settings to default in
Service mode, set a CUE point while a CD is
being played back. After the CUE point setting,
wait at least 5 seconds and turn the power off
then back on. Check if the CUE point is called.
Updating
Sites Waveforms
"ERROR" is displayed on the DATA-FL display.
Updating of the firmware is possible in Service mode.
All errors generated during updating are indicated as "ERROR," and updating fails.
z Check if a wrong CD has been loaded.
Player
x Check if the recording surface of the disc is
Player
stained.
c Visually check if the LD short-circuit switch
RLYB Assy
(S1101) remains closed.
v Check if shavings or dirt are attached to the
Pickup Assy
pickup lens.
b After resetting the user settings to default in
MAIN Assy
Service mode, set a CUE point while a CD is
being played back. After the CUE point setting,
wait at least 5 seconds and turn the power off
then back on. Check if the CUE point is called.
5
6
Points to be checked
Points to be checked
Points to be checked
CDJ-800MK2
6
7
Causes & Measures to be taken
If the symptom is ameliorated by replacement of
the FFC cable, the defective cable is the cause.
If the symptom is ameliorated by replacement of
the FFC cable, the defective cable is the cause.
Causes & Measures to be taken
Loose connection of the FLASH IC (IC300)
connector is likely. If the symptom is not
ameliorated after touching up the solder with a
soldering iron, replace the FLASH IC.
Causes & Measures to be taken
Use the correct CD for updating.
Replace with a clean CD for updating.
Set the LD short-circuit switch to OPEN.
Clean the lens.
Loose connection of the FLASH IC (IC300)
connector is likely. If the symptom is not
ameliorated after touching up the solder with a
soldering iron, replace the FLASH IC.
7
8
Remarks
A
B
Inside switch
C
Remarks
D
Remarks
E
F
101
8