Service Test Mode - Pioneer XV-DV363 Service Manual

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6.6 SERVICE TEST MODE

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1. Conditions During Service Test Mode
• During Service Test mode, the unit will not be shut down for an emergency even if one of the failures mentioned below
occurs.
• After the unit has been shut down in Normal mode for an emergency upon detection of one of the failures mentioned below,
you can turn it on immediately, without waiting for one minute, in Service Test mode.
• The accumulated power-on time can be checked during Service Test mode.
2. How to enter Service Test mode
• Connect AC power cord with the STEST port (microcomputer terminal IC5501: 43-pin) at High (5 V).
(See "Service Test mode connecting point".)
Note: Initial function setting is DVD/CD.
B
• Connect AC power cord while holding both the PLAY LIST 3 and POWER keys on the main unit pressed.
The unit will be turned on, and the following indication will be displayed: Service Test mode starts, as follows:
Note: If the power cord was disconnected immediately before, be sure to wait at least one minute before turning on the
power in the manner mentioned above. Otherwise, the unit may not operate properly.
Service Test Mode connecting point
Connecting point
C
TE
L 13942296513
3. Indications on the FL display when Service Test mode is entered
• Indications on the FL display when Service Test mode is entered differ depending on whether the unit was turned off
normally or shut down for emergency protection, immediately before Service Test mode starts, as follows:
D
[After a normal power-off]
FL display
FL display
FL display
[After a shutdown caused
by an AMP-system failure]
FL display P R T C T
FL display V O L
E
D V D
FL display
[After a shutdown caused
by high-temperature detection]
FL display
O V E R
FL display V O L
www
FL display D V D
4. How to quit Service Test mode, and conditions for quitting
F
• To quit Service Test mode, turn the power off or disconnect the AC power cord to turn the power off.
• When Service Test mode is quit, only data on protection in RAM will be initialized, and data on user settings in RAM will not
be initialized.
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V+10
R5545
R5543
R5530
NP
Q5531
D1417 R5548 R5557
D1416
V+3R3
R1415
C5558
C1415
D1415
Q1413
R1403
R1401
[[ G ]]
R1404
A30C5/C7 R1402
W E L C O M E
V O L 0
D V D S E R V
[After a shutdown caused
by a DVD-system failure]
E FL display
0 FL display
S E R V
FL display
[After a shutdown 1 caused
by over current detection]
FL display
T E M P
0 FL display
S E R V FL display
x ao
y
. i
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B
DVD MAIN ASSY
R5
Q Q
C5557
3 6 7 1 3
D V D P R T C T
V O L 0
D V D S E R V
O C E R R 1
V O L 0
D V D S E R V
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XV-DV363
3
4
2 9 9 4 2 8
SIDE A
1 5 0 5 8 2 9 9 4
[After a shutdown caused
by an EEPROM (IC5502) failure]
FL display E E P E R R
FL display V O L 0
FL display D V D S E R
[After a shutdown 2 caused
by over current detection]
FL display
O C E R R
FL display V O L 0
m
FL display D V D S E R
co
4
9 9
2 8 9 9
V
2
V