Using Rs-232C Command; How To Switch From Sr+ To Rs-232C - Pioneer PDP-R06XE Service Manual

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6.2 USING RS-232C COMMANDS
For the PDP-436HD and PDP-506HD series Plasma Displays, the circuitry is structured as shown in the diagram below to
support the SR+ system. Controlling with either the SR+ system or RS-232C commands can be selected. As the SR+ system
is selected at shipment, to control with RS-232C commands in servicing it is necessary to switch the paths. After servicing, be
sure to return the setting to the SR+ system.
¶ Rough diagram of switching between SR+ and RS-232C
Main Board Assy
232C (DSUB_9P)
SR+ (SR out)
¶ How to switch from SR+ to RS-232C
Remote control unit
Enter the Service Factory mode
START
INFORMATION
VERSION
Tips: How to change the SR+/RS-232C setting without entering Service Factory mode
Hold the VOLUME or
Then within 3 seconds after the key is released, hold the 2-screen
Then within 3 seconds after the key is released, use the SET key on the remote control unit to set to RS-232C (the baud rate
last selected is chosen) or the HOME MENU key to set to SR+.
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232C
Driver
SR+
Interface
SR+ → 232C / 232C → SR+
Select INITIALIZE mode
MUTE
INITIALIZE
SYNC DET
key on the remote control unit pressed for 3-10 seconds during Standby mode.
PDP-R06XE
6
7
IF uCOM
TXD (EXT), RXD (EXT)
IC5002
(IF Microcomputer)
SR_EN_B
Select SR+
INITIALIZE
SR+ ⇔ : ON
ON ↔ OFF
Left
key on the remote control unit pressed for 3-10 seconds.
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8
A
B
C
D
Right
E
F
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