PDP-R06XE
39
5678
56
7
8
C
D
F
A
B
E
6.2 USING RS-232C COMMANDS
¶ Rough diagram of switching between SR+ and RS-232C
¶ How to switch from SR+ to RS-232C
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.
232C (DSUB_9P)
TXD (EXT), RXD (EXT)
SR_EN_B
SR+ (SR out)
232C
Driver
IC5002
(IF Microcomputer)
SR+
Interface
Main Board Assy IF uCOM
Remote control unit
START
INFORMATION
VERSION
INITIALIZE
SYNC DET
MUTE
Select INITIALIZE mode
Enter the Service Factory mode
SR+ → 232C / 232C → SR+
Left Right
INITIALIZE
SR+ ⇔ : ON
Select SR+
ON ↔ OFF
Tips: How to change the SR+/RS-232C setting without entering Service Factory mode
Hold the VOLUME or key on the remote control unit pressed for 3-10 seconds during Standby mode.
Then within 3 seconds after the key is released, hold the 2-screen key on the remote control unit pressed for 3-10 seconds.
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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