6. Options
For installation of the options, refer to the Installation Manual which is
issued separately.
7. How to use service tools
7-1. Expansion PWB: CKOG-6708RCZZ
•
External view
Fig. 7-1
Purpose 1: Used for servicing and repairing of options (such as the
and the ER-A5RS) which are connected with the main
body option connector.
[Procedure 1]
Use an insulator base as shown in Fig. 7-2 (shaded section) and
perform servicing.
Fig. 7-2
To check the option I/F PWB from the solder side, connect the I/F
PWB to OPTCN2. To check from the parts side, connect to OPTCN3.
(Note) The option I/F PWB should be held horizontally so that no
excessive stress is applied to connecting section
A
in Fig.
7-2.
[Procedure 2]
Fig. 7-3
Put a string between the pop up and the option PWB, as shown in
Fig. 7-3. Adjust the length of the string so that the CKOG-6708RCZZ
and the option PWB are not binding. Then perform servicing.
ER-A460/A470
Main PWB
Expansion PWB
(CKOG-6708RCZZ)
ER-A5RS
PWB
Loop back connectors (2 pcs.):
UKOG-6705RCZZ
Base
Control ROM
A
ER-A460/A470
Main PWB
Expansion PWB
(CKOG-6708RCZZ)
ER-A5RS
PWB
Control ROM
Pop up
String
Loop back connectors (2 pcs.):
UKOG-6705RCZZ
– 8 –
Summary of Contents for ER-A460
Page 49: ...2 Main PWB layout 48 ...
Page 57: ...13 Keyboard PWB layout 56 ...
Page 60: ... Top cabinet etc ER A460 I 34 RCPSO082 2 ...
Page 62: ...ER A460V Top cabinet etc ER A470 RCPSO083 4 ...
Page 64: ... ER A460V 9 RCPSO084 6 ...