Backup Battery; Removal/Installation Of Flexible Card Wires - Sony DNW-7 Maintenance Manual

1-13. Backup Battery

1-14. Removal/Installation of Flexible Card Wires

1-13. Backup Battery
The lithium battery for data backup operation is mounted
on the TC-80 board. Replace the lithium battery every five
years. For more details of the replacement, refer to "1-3.
Lithium Battery Replacement" of the Maintenance Manual
Part 2 Vol-1.
1-14. Removal/Installation of Flexible
Card Wires
m
. Be sure to turn off the power, then pull out the power
cord and/or battery before performing the following
procedure. If not, damage to internal circuit may result.
. Two 30-pin flexible card wires are used between the
MB-627 and the TC-80 boards. Be careful not to break
these flexible card wires. This shortens the wire life.
Removal
1. Slide portions A in the direction indicated by the
arrows, unlock it, then pull out the flexible card wire.
Portion A
Flexible card wire
1-28
Installation
1. Check that the conductive surface of the flexible card
2. Slide portions A in the direction indicated by the
3. Slide portions A in the reverse direction of the arrows
Flexible card wires
wire is not soiled with dust.
arrows and insert the flexible card wire tightly into
each connector with the conductive surface of these
wire put down.
n
Be careful not to insert the flexible card wire oblique-
ly.
and lock each connector.
DNW-7/90/90WS