Pioneer f-502 Service Manual page 19

• Replace media receiver, plasma panel cover, or tape down HDCP trap switch.
If the model in question has the TV Guide option, the TV Guide
option must be turned off before proceeding.
• Using the customer's remote control enter "service mode" by pressing the
following key sequence:
1. Press the "display" button then release the "display" button.
2. Wait between 3 and 7 seconds
3. Press and release the "<", "^", "<", ">", and "power" buttons in sequence.
• Panel will now turn on in "service mode".
4. Press "muting" button 3, 4 or 5 times depending on model you are working on.
Until the display shows the "initialize" page.
5. Press and hold the "display" button until the error indicator (red
either the panel or the media receiver goes out.
6. Exit service mode by pressing the "power" button on the remote.
If a circuit failure will not permit the unit to remain powered-on long
enough to complete the above procedure, clear the Trap Switch as follows:
(You will not be able to see the menus.)
1. Turn off Main Power Switch on Panel or unplug panel.
•
Depending on which model you are working on, place switch on Digital
Assembly from "Normal" to "Off" or use a clip to short the high
voltage.
digital video board. (preventing high voltages from activating)
2. Place Main Power back on.
• Confirm both Media Receiver and Panel are in standby mode (unit that is
trapped will still have both red and green LEDs lit)
3. Press the "display" button then release the "display" button.
• Wait between 3 and 7 seconds
4. Press and release the "<", "^", "<", ">", and "power" buttons in sequence.
• Listen to panel carefully. There will be a very slight relay click.
Panel will now turn on in "service mode" with only the low
volt age supplies operating. (no picture)
5. Press "muting" button 3, 4, or 5 times depending on the model you are
working on.
6. Press and hold the "display" button until the error indicator (red
either the panel or the media receiver goes out.
7. Turn soft power off, then main power off or unplug unit.
•
Wait 20 seconds
8. Return switch on Digital Assembly to Normal position or remove shorting clip.
9. Power back on and troubleshoot normally.
Press and release "menu,enter,power" in sequence or "enter,display,power"
Exit service mode by turning off power.
Trap Switch Reset Procedure
G-4, G-5, G-6, G-7, G-8
Shorting connections located on upper right corner of
TRAP SWITCH RESET FOR G-3
19
LED) on
LED) on