Synology DS1813+, DS1812+, DX513, DS1511+, DS1513+ Technical Information

How to Replace Hard Disk Backplane

for 8 bay/5 bay DiskStation

Revision 1.0

THIS DOCUMENT CONTAINS PROPRIETARY

TECHNICAL INFORMATION WHICH IS THE

PROPERTY OF SYNOLOGY INCORPORATED AND

SHALL NOT BE DISCLOSED TO OTHERS IN

WHOLE OR IN PART, REPRODUCED, COPIED, OR

USED AS THE BASIS FOR DESIGN,

MANUFACTURING, OR SALE OF APPARATUS

WITHOUT WRITTEN PERMISSION OF SYNOLOGY

INCORPORATED.

How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

Table of Content

1. Introduction ................................................................................................................. 3

1.1 Applied Models & Required Components .......................................................... 3

1.2 Required Tools ................................................................................................... 4

2. Start to Replace .......................................................................................................... 5

2.1 Dismantle the defective HDD backplane ............................................................ 5

2.2 Install the replacement HDD backplane ........................................................... 22

Revision History

Revision

Number

v.1.0 2014/4/11 Initial version Dennis Tang

Date: 2014/4/11
Issued by: Hardware Development Group, Synology ® Inc.

Date of Issue Summary of Change By

Page 2 of 39

How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

1. Introduction

This SOP explains about the detailed steps for replacing hard disk backplane (“HDD

backplane”) on Synology’s 8 bay/5 bay DiskStation products.

1.1 Applied Models & Required Components

 HDD backplane of the DiskStation model for replacing:

Required

Module

SATA

Backplane

Note: For DX513, consult Synology for further information about the correct

backplane version before proceeding to replace.

Item Code Description Applied Model

80-18TBP0010

ASSY PCBA DS1812+ BP

SYNOLOGY V1.0

ASSY PCBA DS1512+ SATA

80-1512PSB11

BOARD SYNOLOGY V1.1

ASSY PCBA DS1010+ SATA

80-D510PSB14

BOARD SYNOLOGY V1.4

DS1813+

DS1812+

DS1513+

DS1512+

DX513 (*)

DS1511+

DX513 (*)

DX510

 HDD Backplane for DS1813+ (Metal Frame Included)

Page 3 of 39
Date: 2014/4/11
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How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

 HDD Backplane for DS1513+

1.2 Required Tools

 Screw Driver “+” Type: Suggested Bit Size PH#2

Note: If an automatic screwdriver is used, set its torque reading to be 4.5 (+/-0.2)

kg/cmf in advance.

 Anti-static / Cotton Gloves

Date: 2014/4/11
Issued by: Hardware Development Group, Synology ® Inc.

Page 4 of 39

How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

Fan Panel

Rear Panel

Fan #1

Fan #2

Fan Panel

Enclosure

2. Start to Replace

Note: DS1813+ is hereunder the common example unless otherwise specified.

2.1 Dismantle the defective HDD backplane

2.1.1 Release the six (6) screws on the rear panel (Marked by the red circles). (Fig. 1)

Fig. 1

2.1.2 Draw backwards then move up the enclosure cover to remove it. (Fig. 2)

Cover - Top

Fig. 2

Page 5 of 39
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How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

Fan Panel

Rear Panel

Fan #1

Fan #2

Enclosure

- Bottom

Rear Panel

2.1.3 Release the three (3) screws on the enclosure bottom (Marked by the red circles).

(Fig. 3)

Fig. 3

2.1.4 Release the four (4) screws on the rear panel (Marked by the red circles). (Fig. 4)

Fig. 4

Date: 2014/4/11
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Page 6 of 39

How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

Rear Panel

Fan Cable

Connector #1

Fan Cable

Connector #2

eSATA Board

2.1.5 Remove the rear panel from the enclosure. (Fig. 5)

Fig. 5

2.1.6 Unplug the two (2) fan cable connectors (Marked by the red rectangles) which

attach to the eSATA board. (Fig. 6)

Fig. 6

Page 7 of 39
Date: 2014/4/11
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How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

Front

Panel

Disk

Tray

Enclosure

- Bottom

Rear Panel

2.1.7 Remove all the disk trays from the HDD chassis. (Fig. 7)

2.1.8 For DS1813+, DS1812+:

Release the screw on the enclosure bottom (Marked by the red circles). (Fig. 8)

Fig. 7

Fig. 8

Date: 2014/4/11
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Page 8 of 39

How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

Enclosure

- Top

Motherboard

eSATA Board

Cable Connector

Rear Panel

Enclosure

- Top

Motherboard

eSATA Board

Cable Connector

Rear Panel

2.1.9 Unplug the eSATA board cable connector(s) (Marked by the red rectangle) from the

motherboard. (Fig. 9 for DS1813+, DS1513+, DX513 and Fig. 10 for DS1812+,

DS1512+, DS1511+, DX513 and DX510):

Fig. 9 – For DS1813+, DS1513+, DX513

Fig. 10 – For DS1812+, DS1512+, DS1511+, DX513, DX510

Page 9 of 39
Date: 2014/4/11
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How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

Front Panel

Isolating Mylar

(Transparent)

Enclosure

- Top

Motherboard

2.1.10 Release the five (5) screws (Marked by the red circles). (Fig. 11)

Fig. 11

2.1.11 Then remove the motherboard from the chassis. (Fig. 12)

Fig. 12

Date: 2014/4/11
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Page 10 of 39

How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

F

ront Panel

Enclosure

- Top

24-pin PSU Cable

Connector

LED Cable

Connector

Front Panel

Enclosure

- Top

24-pin PSU Cable

Connector

2.1.12 Unplug the 24-pin PSU cable connector and LED cable connector (Marked by the

red rectangles) from the motherboard. (Fig. 13 for DS1813+, DS1513+, DX513 (*),

Fig. 14 and 15 for DS1812+, DS1512+, DS1511+, DX513 (*), DX510)

Note: For DX513, proceed this step as shown in Fig. 13 or Fig. 14/15 by the

location of its LED cable connector.

Fig. 13 - For DS1813+, DS1513+, DX513

Fig. 14 - For DS1812+, DS1512+, DS1511+, DX513, DX510

Page 11 of 39
Date: 2014/4/11
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How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

LED Cable

Connector

Motherboard

Front Panel

eSATA Board

HDD Chassis

PSU

Fig. 15 - For DS1812+, DS1512+, DS1511+, DX513, DX510

2.1.13 Place some cushion material (For example, EPE sheets) on top of the HDD

chassis. (Fig. 16)

Fig. 16

Page 12 of 39
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How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

PSU

PSU Bracket

Front

Panel

PSU

PSU Bracket

Front Panel

2.1.14 Release the two (2) screws (Marked by the red circles) which fix the PSU. (Fig. 17

for DS1813+ and DS1812+, Fig. 18 for DS1513+, DS1512+, DS1511+, DX513 and

DX510).

Fig. 17 – For DS1813+, DS1812+

Fig. 18 – For DS1513+, DS1512+, DS1511+, DX513 and DX510

Date: 2014/4/11
Issued by: Hardware Development Group, Synology ® Inc.

Page 13 of 39

How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

PSU

PSU Bracket

Front Panel

PSU

PSU Bracket

Front Panel

2.1.15 Release the two (2) screws (Marked by the red circles) which fix the PSU. (Fig. 19

for DS1813+ and DS1812+, Fig. 20 for DS1513+, DS1512+, DS1511+, DX513 and

DX510). Then remove the PSU bracket(s).

Fig. 19 – For DS1813+, DS1812+

Fig. 20 – For DS1513+, DS1512+, DS1511+, DX513 and DX510

Date: 2014/4/11
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Page 14 of 39

How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

PSU

PSU

Front Panel

12-pin PSU Cable

Connector

8-pin PSU Cable

Connector

2.1.16 Remove the PSU from the enclosure then flip it up with its top side lain on the

cushion. (Fig. 21)

Fig. 21

2.1.17 Unplug the 12-pin and 8-pin PSU cable connectors (Marked by the red rectangle).

(Fig. 22)

Fig. 22

Page 15 of 39
Date: 2014/4/11
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How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

eSATA Bo

ard

HDD Chassis

eSATA Board

HDD Chassis

Defective HDD

Defective HDD

8-pin PSU Cable

Connector

2.1.18 For DS1813+, DS1812+:



Release the three (3) screws (Marked by the red circles) which fix the eSATA
board. (Fig. 23 and Fig. 24) Then remove the eSATA board.

Backplane

Fig. 23

Backplane

Fig. 24

Date: 2014/4/11
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Page 16 of 39

How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

HDD Chassis

Defective HDD Backplane

– Back Side

HDD Chassis

Defective HDD Backplane

– Back Side



Release the four (4) screws (Marked by the red circles) which fix the defective
HDD backplane assembly. (Fig. 25)

Fig. 25



Remove the defective HDD backplane assembly. (Fig. 26)

Date: 2014/4/11
Issued by: Hardware Development Group, Synology ® Inc.

Fig. 26

Page 17 of 39

How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

Metal Frame Set

Upper Metal Frame Set

Defective HDD Backplane

– SATA Connector Si

de

Defective HDD Backplane

– SATA Connector Side

PSU Cable

Connector



Release the screw on top of the upper metal frame (Marked by the red
circles). (Fig. 27)

Fig. 27



Release the four (4) screws (Marked by the red circles) to remove the
defective HDD backplane from the two sets of metal frame. (Fig. 28)

Date: 2014/4/11
Issued by: Hardware Development Group, Synology ® Inc.

Fig. 28

Page 18 of 39

How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

Upper Metal Frame

Defective HDD Backplane

– SATA Connector Side

Lower Metal Frame

HDD Chassis

Defective HDD

PSU Cable

Fig. 29 shows the status after the defective HDD backplane is removed from the

two metal frame sets.

Fig. 29

2.1.19 For DS1513+, DS1512+, DS1511+, DX513 and DX510:



Release the five (5) screws (Marked by the red circles) which fix the defective
HDD backplane. (Fig. 30 and Fig. 31)

Backplane

Date: 2014/4/11
Issued by: Hardware Development Group, Synology ® Inc.

Fig. 30

Page 19 of 39

How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

Front Panel

HDD Chassis

Defective HDD

HDD Chassis

Defective HDD Backplane

Backplane

Fig. 31



Bring the defective HDD backplane through the opening on the HDD chassis
to remove it. (Fig. 32) Do not damage the aluminum foil pasted on the HDD

chassis when moving the backplane.

Date: 2014/4/11
Issued by: Hardware Development Group, Synology ® Inc.

Fig. 32

Page 20 of 39

How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

HDD Chassis

Defective HDD Backplane

– SATA Connector Side

Fig. 33 shows the status after the defective HDD backplane is removed from the

HDD chassis.

Fig. 33

Date: 2014/4/11
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Page 21 of 39

How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

Replacement HDD Backplane

– SATA Connector Side

Uppe

r Metal Frame

(Up Side Down)

Replacement HDD Backplane

(Up Side Down)

2.2 Install the replacement HDD backplane

2.2.1 For DS1813+, DS1812+:



Insert the bottom edge of the replacement HDD backplane to the space
between the two lower metal frames. Then fix the two (2) screws (Marked by

the red circles) to secure them together. (Fig. 34)

Fig. 34



Assemble the replacement HDD backplane (Top edge) and the two upper metal
frames. Then fix the two (2) screws (Marked by the red circles) to secure them

together. (Fig. 35)

– SATA Connector Side

Date: 2014/4/11
Issued by: Hardware Development Group, Synology ® Inc.

Fig. 35

Page 22 of 39

How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

Upper Metal Frame Set

Replacement

HDD Backplane

– SATA Connector Side

PSU Cable

Connector

HDD Chassis

Replacement HDD Backplane

– Back Side



Fix the screw on top of the upper metal frame (Marked by the red circles). (Fig.

36)

Fig. 36



Insert the replacement HDD backplane assembly to the same location of the
defective one in the enclosure. (Fig. 37)

Date: 2014/4/11
Issued by: Hardware Development Group, Synology ® Inc.

Fig. 37

Page 23 of 39

How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

HDD Chassis

Replacement HDD Backplane

– Back Side

eSATA Board

HD

D Chassis

Replacement



Fix the four (4) screws (Marked by the red circles). (Fig. 38)

Fig. 38



Restore the eSATA board to its original location in the enclosure. Then fix the
three (3) screws (Marked by the red circles) to secure it. (Fig. 39 and Fig. 40)

HDD Backplane

Date: 2014/4/11
Issued by: Hardware Development Group, Synology ® Inc.

Fig. 39

Page 24 of 39

How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

eSATA Board

HDD Chassis

Replacement

8-pin PSU Cable

Connector

HDD Chassis

Replacement

HDD Backplane

HDD Backplane

Fig. 40

2.2.2 For DS1513+, DS1512+, DS1511+, DX513 and DX510:



Insert the replacement HDD backplane to the same location of the defective
one in the enclosure. (Fig. 41) Do not damage the aluminum foil pasted on the

HDD chassis when moving the backplane.

Fig. 41

Date: 2014/4/11
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Page 25 of 39

How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

HDD Chassis

Replacement

PSU Cable

Front Panel

HDD Chassis

Replacement



Fix the five (5) screws (Marked by the red circles) to secure the replacement
HDD backplane. (Fig. 42 and Fig. 43)

HDD Backplane

Fig. 42

HDD Backplane

Fig. 43

Page 26 of 39
Date: 2014/4/11
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How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

PSU

Front Panel

12-pin PSU Cable

Connector

8-pin PSU Cable

Connector

PSU

2.2.3 Plug back the 12-pin and 8-pin PSU cable connectors (Marked by the red rectangle)

to their original locations on the HDD backplane. (Fig. 44)

Fig. 44

2.2.4 Restore the PSU to its original location in the enclosure. (Fig. 45)

Fig. 45

Page 27 of 39
Date: 2014/4/11
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How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

PSU

PSU Bracket

Front Panel

PSU

PSU Bracket

Front Panel

2.2.5 Restore the PSU bracket(s) to the original location(s). Then fix the two (2) screws

(Marked by the red circles) to secure the bracket(s)/PSU. (Fig. 46 for DS1813+ and

DS1812+, Fig. 47 for DS1513+, DS1512+, DS1511+, DX513 and DX510)

Fig. 46 – For DS1813+, DS1812+

Fig. 47 – For DS1513+, DS1512+, DS1511+, DX513 and DX510

Page 28 of 39
Date: 2014/4/11
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How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

PSU

PSU Bracket

Front Panel

PSU

PSU Bracket

Front Panel

2.2.6 Fix the two (2) screws (Marked by the red circles) to secure the bracket(s)/PSU.

(Fig. 48 for DS1813+ and DS1812+, Fig. 49 for DS1513+, DS1512+, DS1511+,

DX513 and DX510) Then remove the cushion.

Fig. 48 – For DS1813+, DS1812+

Fig. 49 – For DS1513+, DS1512+, DS1511+, DX513 and DX510

Page 29 of 39
Date: 2014/4/11
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How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

Front Panel

Enclosure

- Top

24-pin PSU Cable

Connector

LED Cable

Connector

Front Panel

LED Cable

Connector

Motherboard

2.2.7 Plug back the 24-pin PSU cable connector and LED cable connector (Marked by

the red rectangles) to their original locations on the motherboard. (Fig. 50 for

DS1813+, DS1513+, DX513 (*), Fig. 51 and Fig. 52 for DS1812+, DS1512+,

DS1511+, DX513 (*), DX510)

Note: For DX513, proceed this step as shown in Fig. 50 or Fig. 51/52 by the

location of its LED cable connector.

Fig. 50 - For DS1813+, DS1513+, DX513

Fig. 51 - For DS1812+, DS1512+, DS1511+, DX513, DX510

Page 30 of 39
Date: 2014/4/11
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How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

#3

RAM

Module

Front Panel

Enclosure

- Top

24-pin PSU Cable

Connector

Fig. 52 - For DS1812+, DS1512+, DS1511+, DX513, DX510

2.2.8 To restore the motherboard into the enclosure, there are two (2) locations as follow

for joining the two sides:

Motherboard Side (Fig. 53) Enclosure Side (Fig. 54)

#1 PCI Express connector (Large) #2 Bonding finger of the HDD backplane

#3 PCI Express connector (Small) #4 Bonding finger of the eSATA board

Fig. 53 – Motherboard Side

Page 31 of 39
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How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

#2

HDD

Backplane

eSATA

Board

Enclosure

- Top

Motherboard

Fig. 54 – Enclosure Side

Restore the motherboard to its original location in the chassis. (Fig. 55)

Fig. 55

Page 32 of 39
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How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

#2

Motherboard

eSATA

Board

H

DD

Front Panel

Isolating Mylar

(Transparent)

#4

2.2.9 Join the motherboard and the enclosure together with the followings (Fig. 56):

 The bonding finger of the HDD backplane (#2) inserted into the PCI Express

connector (Large) (#1) properly.

 The bonding finger of the eSATA board (#4) inserted into the PCI Express

connector (Small) (#3) properly.

Backplane

Fig. 56

2.2.10 Fix the five (5) screws (Marked by the red circles) to secure the motherboard. (Fig.

57)

Fig. 57

Date: 2014/4/11
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Page 33 of 39

How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

Enclosure

- Top

Motherboard

eSATA Board

Cable Connector

Rear Panel

Enclosure

- Top

Motherboard

eSATA Board

Cable Connector

2.2.11 Plug back the eSATA board cable connector(s) (Marked by the red rectangle) to

the original location(s) on the motherboard. (Fig. 58 for DS1813+, DS1513+,

DX513 and Fig. 59 for DS1812+, DS1512+, DS1511+, DX513 and DX510):

Fig. 58 – For DS1813+, DS1513+, DX513

Fig. 59 – For DS1812+ (*), DS1512+ (*), DS1511+, DX513, DX510

Note: Fig. 60 and Fig. 61 show how the eSATA board cables are connected with the

eSATA board. (Fig. 60 for DS1812+, Fig. 61 for DS1512+) Follow the way when

plugging back the eSATA board cable connectors.

Page 34 of 39
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How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

Connector CN1

Connector CN8

Connector CN2

Connector CN6

Connector CN1

Connector CN

7

Connector CN2

Connector CN

5

Fig. 60 – For DS1812+

Fig. 61 – For DS1512+

Page 35 of 39
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How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

Enclosure

- Bottom

Rear Panel

Front

Panel

Disk Tray

2.2.12 For DS1813+, DS1812+:

Fix the screw on the enclosure bottom (Marked by the red circles) to secure the

replacement HDD backplane assembly. (Fig. 62)

Fig. 62

2.2.13 Restore all the disk trays into the HDD chassis. (Fig. 63)

Fig. 63

Date: 2014/4/11
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Page 36 of 39

How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

Fan Cable

Connector #1

Fan Cable

Connector #2

eSATA Board

Rear Panel

2.2.14 Plug back the two (2) fan cable connectors (Marked by the red rectangles) to their

original locations on the eSATA board. (Fig. 64)

Fig. 64

2.2.15 Restore the fan panel to the enclosure. (Fig. 65)

Fig. 65

Page 37 of 39
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How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

Enclosure

- Bottom

Rear Panel

Fan Pan

el

Rear Panel

Fan #1

Fan #2

2.2.16 Fix the four (4) screws on the rear panel (Marked by the red circles). (Fig. 66)

Fig. 66

2.2.17 Fix the three (3) screws on enclosure bottom (Marked by the red circles) to secure

the rear panel. (Fig. 67)

Fig. 67

Page 38 of 39
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How to Replace Hard Disk Backplane for 8 bay/5 bay DiskStation

Fan Panel

Rear Panel

Fan #1

Fan #2

Fan Panel

Enclosure

2.2.18 Restore the enclosure cover to its original location. (Fig. 68)

Cover - Top

Fig. 68

2.2.19 Fix the six (6) screws on the rear panel (Marked by the red circles) to secure the

enclosure cover. (Fig. 69)

Fig. 69

2.3 The replacing task is completed.

Page 39 of 39
Date: 2014/4/11
Issued by: Hardware Development Group, Synology ® Inc.