Toshiba 23HL85 Service Manual page 22

3-1-2. Proceeding VCTi Firmware Upgrading
Preparation: Connect PC and TV using Jig before proceeding.
1
Disconnect AC power cord of TV.
2
Connect Jig to PC connector on TV with D-sub cable.
3
Connect USB connector on Jig to USB connector on PC.
4
Connect LPT port of Jig to LPT port of PC.
5
Press the Jig switch down. (
6
Plug the AC power cord to go into standby mode. (The LED lights up red.)
7
Press the Jig switch again. (
Connect USB cable connector
(small).
Connect USB cable connector (small)
to USB connector on Jig board.
Connect one D-sub 9 pin cable
connector to PC connector on
TV.
)
)
Connect one D-sub 9 pin cable
connector.
Connect USB cable connector (large)
to USB connector on PC.
Connect the other Vcti Jig
board
D-sub 9 pin cable
connector to D-sub 9
pin connector on Jig
board.
- 22 -
Connect directly to D-sub 25 pin
connector on PC.
Connect D-sub 25 pin connector
on Jig board directly to D-sub 25
pin connector on PC.