Sony SRW-5000, Руководство по обслуживанию, Страница: 325 / 438

5-119
SRW-5000/5500
Replace the KY-526 Board
5-30-13. KY-526 Board
Replacement
1. Turn the power off and disconnect the power
cord.
2. Remove the control panel assembly.
(Refer to Section 1-6.)
3. Remove the rear cover.
(Refer to step 1 in Section 5-25.)
4. Remove the key panel assembly.
(Refer to Section 5-26-1.)
5. Remove the eight screws, and remove the
insulator (KY) and KY-526 board from the
key panel sub assembly.
6. Perform the installation in the reverse order
from steps 1 to 5.
n
Tighten the eight screws removed in step 5 as
following torque.
Tightening torque: 46
x
10
_ 2
N
.
m
{4.5 kgf
.
cm}
Steps after Replacement
7. Check the key operation.
(Refer to Section 3-3-3.)
[F7]
(KEY) of the PANEL CHECK menu
PTPWH2.6 x 5
PTPWH
2.6 x 5
Key panel sub assembly
Insulator (KY)
KY-526 board