Setup Sequence (3Cd); Setting The Initial Condition For Shipping; Cd-R Tray Mechanism; 3Cd Changer Mechanism - Pioneer pdr-w739 Service Manual

SETUP SEQUENCE (3CD)

POWER ON and FL ON
Move the tray to
the HOME position
OK
CD1 clamp (TOC READ)
Yes
Is there a CD1
DISC?
No
CD2 clamp (TOC READ)
Yes
Is there a CD2
DISC?
No
CD3 clamp (TOC READ)
Yes
Is there a CD3
DISC?
No
It stops to clamp the CD3 tray

Setting the initial condition for shipping

Setting the initial operating condition
The factory default settings shall be as above.
For reason that this product memorizes the condition of above items by back-up battery.
Adjusting the shipping position of mechanism.
Before shipping, it is necessary to adjust the shipping position of the mechanism. See following.
< CD-R tray mechanism >
1. Open CD-R tray and remove a disc.
2. Push OPEN/CLOSE button and wait until CD-R mechanism is stopped.
< 3CD changer mechanism >
1. Open the tray; CD1–CD3, and remove all discs . And close the tray.
2. Once turn off the power, then turn on again.
3. Wait until DISC1 to 3 indicators on the FL display, see right, are put out all
and the mechanism is stopped.
4. ON pushing "REC LEVEL knob", and push "OPEN/CLOSE 1(3CD side)" key both.
= "OK!" is displayed on the FL display, then the mechanism is set to the shipping position.
5. Turn off the power.
Check Point
• Check the connection between 3CD MICRO CHANGER
MECHANISM Assy and the MAIN Assy
• Blow out micro-fuse (IC37) on the POWER SUPPLY Assy.
• Check the logic of mechanism SW. (Refer to the
NG
"• Initialization sequence at POWER ON of 3CD MICRO
CHANGER MECHANISM".
• Check the select drive signal
SELO+(CN1302 pin 8), SELO-(CN1302 pin 9)
• Check the loading drive signal
LO+(CN1302 pin 10), LO-(CN1302 pin 11)
CD1 PLAY
Initialization Sequence at POWER ON of 3CD MICRO
CHANGER MECHANISM
CD2 PLAY
Each mechanism SW is checked.
A Current mechanism position is
confirmed, and to become HOME
position, the mechanism operation
and each mechanism SW check
CD3 PLAY
Initialization end in place where
mechanism becomes HOME position.
Item Initial
Input selector
REC level
POWER ON
MECHA SW
• SELINIT SW
• SEL SW
• OPEN SW
• CLOSE SW
• CLAMP SW
• HOME SW
Mechanism SW logic at HOME position
• SELINIT SW
are repeated.
• SEL SW
• OPEN SW
• CLOSE SW
• CLAMP SW
• HOME SW
condition
ANALOG
0 dB
DISC
DISC
DISC
PDR-W739
(pin 77)
(pin 78)
(pin 72)
(pin 71)
(pin 79)
(pin 80)
"L"
"L"
"H"
"L"
"H"
"L"
1
2
3
71