Read Sharp PN-R903 (serv.man5) Service Manual online
CHAPTER 2. INSTALLATION, ADJUSTMENT, SETTING
PN-R903/R703/R603
INSTALLATION, ADJUSTMENT, SETTING
2 – 6
<EXTERNAL SPEAKER TERMINALS>
n
To use an external speaker, set “SPEAKER SELECT” on the SETUP
menu to “EXTERNAL”.
menu to “EXTERNAL”.
n
Be sure to use external speakers with an impedance of 6 and a
rated input of at least 7 W.
rated input of at least 7 W.
1 ) Attach a speaker cable core to the end of the speaker cable con-
nected to the monitor.
CAUTION
n
Be sure to connect the + and - terminals and the left and right
speakers properly.
speakers properly.
n
Avoid short circuiting the + and - terminals.
n
When “SPEAKER SELECT” is set to “EXTERNAL”, the internal
speaker is disabled.
speaker is disabled.
<CONTROLLING THE MONITER WITH A PC (RS-232C)>
You can control this monitor from a PC via RS-232C (COM port) on the
PC.
You can also connect multiple monitors via a daisy chain by using a PC.
By assigning ID numbers to each monitor (see page 19), you can make
input mode selection/adjustment or can check the status of a specific
monitor.
PC.
You can also connect multiple monitors via a daisy chain by using a PC.
By assigning ID numbers to each monitor (see page 19), you can make
input mode selection/adjustment or can check the status of a specific
monitor.
You can also connect multiple monitors via a daisy chain by using a PC.
By assigning ID numbers to each monitor, you can make input mode
selection/adjustment or can check the status of a specific monitor.
By assigning ID numbers to each monitor, you can make input mode
selection/adjustment or can check the status of a specific monitor.
CAUTION
n
To control the monitor via RS-232C, set RS-232C/LAN SELECT
to RS-232C.
to RS-232C.
n
You cannot use RS-232C and LAN control simultaneously.
<ONE-TO-ONE CONNECTION WITH A PC>
Connect with RS-232 straight cable between the PC's COM port (RS-
232C connector) and the RS-232C input terminal on the monitor.
232C connector) and the RS-232C input terminal on the monitor.
<DAISY CHAIN CONNECTION [ADVANCED OPERATION]>
Connect with RS-232 straight cable between the PC's COM port (RS-
232C connector) and the RS-232C input terminal on the first monitor.
232C connector) and the RS-232C input terminal on the first monitor.
Next, connect RS-232 straight cable to the first monitor's RS-232C out-
put terminal and to the second monitor's RS-232C input terminal. Con-
nect in the same way to the third and subsequent monitors.
put terminal and to the second monitor's RS-232C input terminal. Con-
nect in the same way to the third and subsequent monitors.
Up to 25 monitors can be connected. (Depending on the length of the
cable used and the surrounding environment.)
cable used and the surrounding environment.)
<COMMUNICATION CONDITIONS>
Set the RS-232C communication settings on the PC to match the moni-
tor's communication settings as follows.
tor's communication settings as follows.
*
1 Set to the same baud rate as the “BAUD RATE” setting of
SETUP menu.
When connecting multiple monitors in a daisy chain, set all mon-
itors to the same “BAUD RATE”.
When connecting multiple monitors in a daisy chain, set all mon-
itors to the same “BAUD RATE”.
Approx.
3-15/16 inch
(10 cm)
3-15/16 inch
(10 cm)
56&
56&
Computer
to COM Port
Straight cable
(Commercial item)
(Commercial item)
Input taerminal
Baud rate
38400 bps (Initial setting)
*
1
Data length
8 bits
Parity bit
None
Stop bit
1 bit
Flow control
None
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