Kennmex BPC-70-B-C1G User manual

Service Manual
BPC-70-B-C1G

Copyrights
©2009 All rights reserved. The information in this
document is subject to change without prior notice in
order to improve reliability, design and function and does
not represent a commitment on the part of the
manufacturer.
This document contains proprietary information
protected by copyright. All rights are reserved. No
part of this manual may be reproduced by any
mechanical, electronic, or other means in any form
without prior written permission of the manufacturer.
All trademarks are property of their respective
owners
Liability Disclaimer
In no event will the manufacturer be liable for direct,
indirect, special, incidental, or consequential
damages arising out of the use or inability to use the
product or documentation, even if advised of the
possibility of such damages.
The information in this document is subject to
change without notice
i
Copyrights

Contents
ii
Contents
Copyrights .................................................................................................i
Liability Disclaimer ...................................................................................i
Contents....................................................................................................ii
1. Before You Start ...................................................................................1
1.1. Tools Suggested .......................................................................................... 1
2. Opening the Device..............................................................................2
2.1. Remove the Front Cover.............................................................................. 2
2.2. HDD Installation............................................................................................ 3
2.3. RAM Installation ........................................................................................... 5
How to Install the RAM .............................................................................................................5
How to Uninstall the RAM.........................................................................................................5
3. Mainboard and Component Replacement .........................................6
3.1. How to dissemble the mainboard from the device.................................... 6
3.2. Unplug SCSI Cable....................................................................................... 8
3.3. Unplug COM Port Cable............................................................................... 9
3.4. Unplug VGA Port Cable ............................................................................. 10
3.5. Unplug Phone Jack Cable ..........................................................................11
3.6. Unplug IDE Cable ....................................................................................... 12
3.7. Heat Sink Dissemble.................................................................................. 12
3.8. Power Switch Dissemble ........................................................................... 13

1.
1. Before You Start
1. Please unplug the power cable before you start to work.
2. Please read and follow the instructions in this document carefully. Failure to
follow these instructions could damage your device and void the warranty.
1.1. Tools Suggested
All procedures in this document require the following tools:
#0 Phillips screwdriver #1 Phillips screwdriver
(magnetized suggested) (magnetized suggested)
1.5 mm hexagon socket spanner O-Ring Tool
(magnetized suggested)
needlenose pliers
Chapter 1 1

Chapter 2
2
2.
2. Opening the Device
2.1. Remove the Front Cover
1. Loosen and remove the six screws fixing the front cover by #1 Phillips screwdriver.
2. Remove the front cover from the device by pulling back easily. Beware that the LED
indicator is connected to the front cover.
3. Unplug the three green LED indicator from the front cover.

2.2. HDD Installation
1. Loosen and remove the six screws fixing the back cover by #1 Phillips screwdriver.
2. Draw out the assembly from the case.
3. Loosen and remove the four screws fixing the main board by #1 Phillips screwdriver.
Chapter 2 3

Chapter 2
4
3. Unplug the power switch cable from the mainboard. The main board is separated
from the main board bracket.
Connect the IDE cable to the HDD and tighten the four screws to fix the HDD
to the main board bracket by #1 Phillips screwdriver as shown below.

2.3. RAM Installation
How to Install the RAM
Align and insert the new RAM in the slot and push both ends of the RAM
down until the ejectors snap into place.
How to Uninstall the RAM
Open the tow ejectors on the slot by pushing them, and remove the RAM
from the slot.
Chapter 2 5

Chapter 3
6
3.
3. Mainboard and Component Replacement
3.1. How to dissemble the mainboard from the device
1. Loosen and remove the metal O-ring fixing the phone jack by O-ring tool.
2. Loosen and remove the ten hexagonal bolts fixing COM ports and the VGA port by
hexagon socket spanner.
3. Loosen and remove the two screws fixing LVDS connector in the blue circle by #0
Phillips screwdriver.

4. Remove the front cover from the device by pulling back easily.
5. Loosen and remove the four screws fixing the main board by #1 Phillips
screwdriver.
6. Unplug the power switch cable from the mainboard. The main board is separated
from the main board bracket.
Chapter 3 7

Chapter 3
8
3.2. Unplug SCSI Cable
1. Unplug 8-pin female connector of SCSI cable from the male connector on
the mainboard.
2. Unplug 13-pin female connector of SCSI cable from the male connector on
the mainboard next to the HDD power connector.

3. Unplug 15-pin female connector of SCSI cable from the male connector on
the mainboard next to the IDE socket.
3.3. Unplug COM Port Cable
1. Unplug two COM port cables from the male connector on the mainboard
behind the purple parallel port.
Chapter 3 9

Chapter 3
10
3.4. Unplug VGA Port Cable
1. Unplug and remove the VGA port cable as shown below.

3.5. Unplug Phone Jack Cable
1. Unplug and remove the phone jack cable as shown below.
Chapter 3 11

Chapter 3
12
3.6. Unplug IDE Cable
1. Unplug and remove the IDE cable as shown below.
3.7. Heat Sink Dissemble
1. Follow steps below to release the four push-pin clips of CPU heat sink:
a. Press and Hold the push-pin clip.
b. Use the needlnose pliers to clip the head of the push-pin clip softly.
c. Release the push-pin clip.

2. Remove the CPU heat sink from the mainboard.
3.8. Power Switch Dissemble
1. Push out and remove the power switch by slot type screwdriver in the
direction as shown below.
Chapter 3 13
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