Toshiba Tecra A2-S119 Maintenance Manual - Page 248

Replacement Procedures, System Board/DC-IN Jack/RTC Battery, USB I/F cable

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4 Replacement Procedures 4.15 System Board/DC-IN Jack/RTC Battery Installing the System board/DC-IN jack/RTC battery The following describes the procedure for installing the system board/DC-IN jack/RTC battery (See Figure 4-30, 4-31). 1. Connect the MODEM cable to the connector PJ3021 and the LAN cable to PJ4100 on the back of the system board and secure them with two glass tapes. 2. Connect the RTC battery cable to the connector PJ8490 on the system board. 3. Connect the connector board cable to the connector PJ3502 (parallel port type) or PJ5640 (TV jack type) on the system board. 4. Connect the DC-IN jack cable to the connector PJ8800 and the USB I/F cable to PJ4610 on the back of the system board. 5. Set the system board on the base assembly from the side with CRT connector. 6. Wrap the RTC battery with the RTC battery case and set it in the slot on the base assembly. 7. Install the MODEM jack and LAN jack on the base assembly and secure the core of the LAN cable with the insulator. Bundle the MODEM cable, LAN cable and RTC battery cable with the insulator attached on the base assembly. 8. Secure the system board with the following screws. • M2.5x4B THIN BIND screw x2 4-44 Satellite A50/TECRA A2 Maintenance Manual (960-478)

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4
Replacement Procedures
4.15
System Board/DC-IN Jack/RTC Battery
4-44
Satellite A50/TECRA A2
Maintenance Manual (960-478)
Installing the System board/DC-IN jack/RTC battery
The following describes the procedure for installing the system board/DC-IN jack/RTC
battery (See Figure 4-30, 4-31).
1.
Connect the
MODEM cable
to the connector
PJ3021
and the
LAN cable
to
PJ4100
on the back of the
system board
and secure them with two
glass tapes
.
2.
Connect the
RTC battery cable
to the connector
PJ8490
on the system board.
3.
Connect the
connector board cable
to the connector
PJ3502 (parallel port type)
or
PJ5640 (TV jack type)
on the system board.
4.
Connect the
DC-IN jack cable
to the connector
PJ8800
and the
USB I/F cable
to
PJ4610
on the back of the system board.
5.
Set the system board on the base assembly from the side with CRT connector.
6.
Wrap the
RTC battery
with the
RTC battery case
and set it in the slot on the base
assembly.
7.
Install the
MODEM jack
and
LAN jack
on the base assembly and secure the
core
of
the
LAN cable
with the
insulator
. Bundle the
MODEM cable
, LAN cable and
RTC
battery cable
with the
insulator
attached on the base assembly.
8.
Secure the system board with the following
screws
.
•
M2.5x4B
THIN BIND screw
x2