Sony SRX-T420 Installation Manual page 23

4. Remove the six screws, then remove the all blank
panels.
n
Store the removed blank panel.
5. Remove the six screws, then remove the panel cover
(IF) 420.
When attaching the LKRI-003 to INPUT B slot
6. Insert the LKRI-003 board into INPUT B slot, and
connect it securely.
7. Attach the panel cover (IF) 420 using the twelve
screws.
n
Attach the blank panel to empty slot.
SRX-T420
Panel cover (IF) 420
Blank panel
PSW4 x 10
PSW4 x 10
Fig. 1-7c
LKRI-003
Panel cover (IF) 420
PSW4 x 10
Fig. 1-7d
INPUT B
1-17