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Sony DSX-A50BT, Service Manual

The Sony DSX-A50BT Operating Instructions Manual is available for free download on our website. This comprehensive manual provides step-by-step guidance on the usage and features of the DSX-A50BT, ensuring a seamless user experience. Perfectly designed to enhance your car audio system, download your manual today at manualshive.com.

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DSX-A50BT

DSX-A50BT

21

21

5-7.  PRINTED  WIRING  BOARDS - MAIN Section (2/2) (AEP and UK models) -

• 

 : Uses unleaded solder.

1

4

14

1

15

2

CN201

C401

CN102

CN103

X101

X102

9

1

TU251

L401

1

15

14

2

1

25

24

2

IC401

IC304

J101

J303

J304

R804

C403

C406

C407

C408

C410

R259

C412

R260

R262

R263

C243

C255

Q301

Q302

Q303

Q305

D401

D402

D403

D404

D405

FB101

FB102

FB103

FB302

FB303

R337

R339

R340

R341

R342

R343

R344

R345

JL101

JL102

JL103

JL104

JL105

JL106

JL107

JL108

C318

R356

C330

C332

C335

C336

C337

C338

C339

C341

C347

C157

C158

D309

D310

D311

FU101

D601

1

9

18

10

CN001

MAIN BOARD  

(CONDUCTOR SIDE)

A

K

E

E

E

E

1-886-096-

11

(11)

TUX-DSP02

(ANTENNA IN)

AUX

1

9

17

18

19

16

8

(REMOTE IN)

R

L

REAR

AUDIO OUT

A1

KEY BOARD

CN001

TO

CN102

A

B

C

D

E

F

1

2

3

4

5

6

7

8

9

10

TUNER

UNIT

K

A

J301

R

L

FRONT

AUDIO OUT

1

1

9

WHT/BLK

 

GRN/BLK

 

VIO/BLK

 

GRY/BLK

WHT

 

GRN

 

VIO

 

GRY

 

 

 

BLU

 

RED

 

BLK

 

2

2

10

3

3

11

4

4

12

5

5

13

6

6

14

7

7

15

8

8

1

2

3

4

5

6

7

8

16

RL+

RL–

GRN/BLK

 

WHT/BLK

 

GRY/BLK

 

VIO/BLK

 

GRN

 

WHT

 

GRY

 

VIO

FL+

FL–

FR+

FR–

RR+

RR–

ACC GND

BLK

 

 

YEL

RED

 

BLU

ANT

REM

NC

NC

BATT

NC

NC

YEL

AMP REM
MAX 0.3 A

BLU / WHT

PW1

ANTENNA BOARD

(SIDE A)

ANTENNA BOARD

(SIDE B)

1-885-289-

12

(12)

1-885-289-

12

(12)

BT

BOARD

MIC601

PATTERN
ANTENNA

WR1

(Page 24)

Note 2: 

When the BT board or MAIN board (including BT board) is replaced, it 
is necessary to confi rm operation. Refer to “BLUETOOTH FUNCTION 
CHECKING METHOD USING A CELLULAR PHONE” (page 5).

Note 1: 

When BT board is defective, exchange 
the complete mounted board.

Summary of Contents for DSX-A50BT

Page 1: ...Bluetooth standard profiles indicate the purpose of Bluetooth communication between devices Power amplifier section Output Speaker outputs Speaker impedance 4 8 ohms Maximum power output 50 W u 4 at 4 ohms General Outputs Audio outputs terminal front rear Power antenna aerial relay control terminal AEP and UK models E and Indian models Power amplifier control terminal Inputs Remote controller inpu...

Page 2: ...oard 25 6 EXPLODED VIEWS 6 1 Main Section 31 6 2 Front Panel Section 32 7 ELECTRICAL PARTS LIST 33 Accessories are given in the last of the electrical parts list TABLE OF CONTENTS NOTES ON CHIP COMPONENT REPLACEMENT Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may be dam aged by heat The Bluetooth word mark and logos are owned by the Bluetooth SIG In...

Page 3: ...hing etc When the BT board or MAIN board including BT board are re placed it is necessary to initialize this unit Refer to the following initialize this unit Note Phonebook data and dialed received call history can be deleted by executing Reset Initializing Bluetooth Settings Canceling the DEMO mode You can initialize all the Bluetooth related settings pairing information phonebook call history pr...

Page 4: ...pressing the PUSH ENTER SELECT or SEEK button The digit returns by pressing the MODE or SEEK but ton 3 The setting is completed by pressing the PUSH ENTER SELECT button and the initialization operation is done Method of operation by remote commander 1 Press the or button and select the alphanumeric char acter of 0 to F 2 The digit advances by pressing the button The digit returns by pressing the b...

Page 5: ...icon lights 2 Playback Bluetooth audio Confirm the sound is emitted from this unit when this unit is switched to Bluetooth Audio source 3 Confirm whether Bluetooth audio can be controlled by oper ating this unit the SEEK SEEKí and PAUSE buttons operation Note Varies depending on the connected Bluetooth audio device 8 What to Do after Checking After checking select BT INIT from the menu list of thi...

Page 6: ... correctement Warnhinweise Installieren Sie das Gerät unbedingt im Armaturenbrett des Fahrzeugs denn die Rückseite des Geräts erwärmt sich bei Betrieb Dieses Gerät ist ausschließlich für den Betrieb bei 12 V Gleichstrom negative Erdung bestimmt Achten Sie darauf dass die Kabel nicht unter einer Schraube oder zwischen beweglichen Teilen wie z B in einer Sitzschiene eingeklemmt werden Schalten Sie b...

Page 7: ...anto di riscaldamento o dove possa essere soggetto a polvere sporco e vibrazioni eccessive Usare solo il materiale di montaggio in dotazione per un installazione stabile e sicura Regolazione dell angolo di montaggio Regolare l angolo di montaggio in modo che sia inferiore a 45 Rimozione della staffa e della cornice protettiva Prima di installare l apparecchio rimuovere la cornice protettiva e la s...

Page 8: ...o al terminal de alimentación batería de 12 V que recibe energía sin interrupción Asegúrese de conectar primero el cable de conexión a masa negro a una superficie metálica del automóvil Si el automóvil tiene una antena de FM AM incorporada en el cristal trasero o lateral consulte Notas sobre los cables de control y de fuente de alimentación REMOTE IN 3 REAR AUDIO OUT FRONT AUDIO OUT REM OUT Max su...

Page 9: ...tar que se produzcan fallas de funcionamiento realice la instalación solamente con los tornillos suministrados Forma de extraer e instalar el panel frontal Antes de instalar la unidad extraiga el panel frontal A Para extraerlo Antes de extraer el panel frontal asegúrese de mantener presionado Presione y luego extráigalo hacia usted B Para instalarlo Coloque la parte del panel frontal en la parte d...

Page 10: ... FUSE 10A 32V FU101 COVER Page 10 3 3 SUB PANEL BLOCK Page 11 3 4 MAIN BOARD WITH BT BOARD Page 12 SET FRONT PANEL SECTION Note Illustration of disassembly is omitted 3 5 ANTENNA BOARD Page 12 2 Insert a flathead screwdriver between the cover and the chassis and raise the cover 2 Insert a flathead screwdriver between the cover and the chassis and raise the cover 5 cover 4 five claws 3 two bosses 3...

Page 11: ... front side tape BT board MAIN board connector CN1004 microphone wire 4 two claws 5 sub panel block Note 1 Where USB cover is closed remove the sub panel block ANTENNA board USB cover OK NG close open Note 2 Where USB cover is closed attach the sub panel block ANTENNA board may be damaged if it pushes in strongly where USB cover is opened QQHU YLHZ contact ...

Page 12: ... with connector connector CN1006 connector CN001 ANTENNA board OK NG connector connector lead wire with connector lead wire with connector 3 5 ANTENNA BOARD 3 lead wire with connector CN001 1 lead wire with connector CN1006 2 screw T 4 ANTENNA board LUH VHWWLQJ front side tape BT board MAIN board lead wire with connector connector CN1006 connector CN001 ANTENNA board OK NG connector connector lead...

Page 13: ...OURCE OFF button for 1 second MICROPHONE AUDIO LOOPBACK To confirm the state of the internal microphone used when a handsfree function is used the microphone audio is output from the speaker The breakdown judgment of the microphone can be done without connecting H F with the cellular phone Procedure 1 Enter the test mode 2 Press the SOURCE OFF button to select the Bluetooth Phone function 3 On off...

Page 14: ...9 L2_IN 11 R CH L3_IN_P 13 MUTING CONTROL Q109 110 57 AMP_MUTE MUTING SWITCH Q304 SIGNAL PATH R ch is omitted due to same as L ch FRONT AUDIO OUT L R J301 TU251 TUX DSP02 TUNER UNIT AUDIO_OUT_L RF_ANT_IN SDA SCL RSTN AUDIO_OUT_R J304 AUX L3_IN_N 14 UDP1 69 UDM1 68 3 2 1 D D VBUS USB_VBUS CN201 X201 12MHz X12IN X12OUT 74 75 18 SYSRST 21 SCK 22 SDO 19 CE RESETB 51 SIFCK 52 SIFDI 53 SIFCE 55 20 SDI S...

Page 15: ...T 24 FU101 USB_VBUS VIN 3 2 LX USBIN 7 5 USBOUT DC DCCONVERTER IC501 SYNC 8 EN_SYS 4 EN_USB 12 FLT_USB 9 D106 D107 BATTERY CHECK Q103 BACKUP VOLTAGE DETECT Q101 104 NOSE_SW LSW901 906 2 2 S901 906 FRONTPANELKEY RCIN1 88 RC_IN0 95 J101 REMOTEIN VOLUME DIMMER CONTROL Q901 LIQUIDCRYSTALDISPLAY LCD901 LED902 907 LSW901 906 1 2 ILLUMINATION 79 RE_IN0 80 RE_IN1 ROTARY ENCODER S907 2 2 89 KEYACK0 90 KEYA...

Page 16: ...rmal production tolerances Circled numbers refer to waveforms Signal path F AUDIO f TUNER d USB E AUX a Bluetooth N MIC Abbreviation IND Indian model Caution Pattern face side Conductor Side Parts face side Component Side Parts on the pattern face side seen from the pattern face are indicated Parts on the parts face side seen from the parts face are indicated Indication of transistor C B These are...

Page 17: ... RR 19 RR 20 VCC1 21 FR 22 MUTE 23 FR 24 PW_GND4 FR 25 OFFSET 0 47 C102 0 47 C101 0 1 C255 1 C324 1 C327 1 C326 1 C320 1 C322 1 C323 1 C321 1 C325 0 22 C330 0 22 C318 0 22 C412 12k R317 10k R316 100k R405 FB101 FB102 FB103 DRC51 14Y0L Q1 10 16V 220 C41 1 16V C122 100 1 C328 1 C349 J303 220 R325 220 R322 220 R324 220 R323 0 R339 R259 0 47p C329 IC301 BA4560RFVM TR 1 2 3 4 V 5 6 7 8 V 4 7k R305 4 7k...

Page 18: ...FW_BUSY 33 NC 34 NC 35 NC 36 NC 37 NC 38 NC 39 EPM 40 DEBUG_1 41 DEBUG_2 42 DEBUG_3 43 DEBUG_4 44 CE 45 HIT2_SDA 46 HIT2_SCL 47 HIT2_RESET 48 EN_USB 49 NC 50 FLT_USB 51 EN_SYS 52 IPOD 53 NC 54 TELA TT 55 ACC_IN 56 A TT 57 AMP_MUTE 58 AMPSTB 59 ILL_ON 60 VCC2 61 NC 62 VSS 63 PIC_ERR 64 NC 65 BT_MUTE A50 66 BU_IN 67 NC 68 NC 69 NC 70 NC 71 NC 72 AMP_REM 73 SYS_EN 74 AUDIO_EN 75 BT_TX A50 76 BT_RX A5...

Page 19: ...13 49 DVDD 50 DVSS 51 RESETB 52 SIFCK 53 SIFDI 54 SIFDO 55 SIFCE 56 BUSYB 57 USB_IN 58 GP40 59 GP41 60 WDT_MON 61 CMD_ERR 62 GP44 63 GP45 64 GP46 65 GP47 66 DVSS 67 DVDD 68 UDM1 69 UDP1 70 DVSS 71 UDM2 72 UDP2 73 XVDD 74 X12IN 75 X12OUT 76 XVSS 77 AFILT 78 VVDD2 79 VVDD3 80 DVSS 81 DVDD 82 CP_SCL 83 SP_SDA 84 GP06 85 GP07 86 CP_RESET 87 TEST0 88 DVDD 89 DVSS 90 DVDD15 91 JTRSTB 92 JTCK 93 JTDI 94 ...

Page 20: ...139 R330 C101 R331 C102 R332 R333 R140 R334 R335 C105 C106 R336 R143 R338 C301 C302 C303 C110 C306 C308 R346 C119 C502 R157 C504 C310 R159 C505 C313 C508 C314 C509 CL201 C122 CL202 CL203 C317 R160 R161 CL011 C319 CL012 R162 CL013 CL014 C510 CL015 C511 CL016 CL017 R167 C513 R168 CL018 C514 C320 CL019 R169 C515 C321 C516 C322 C517 C323 C324 C518 C325 C326 C327 CL020 C328 R171 CL021 C329 CL022 R172 C...

Page 21: ...SP02 ANTENNAIN AUX 1 9 17 18 19 16 8 REMOTEIN R L REAR AUDIOOUT A1 KEYBOARD CN001 TO CN102 A B C D E F 1 2 3 4 5 6 7 8 9 10 TUNER UNIT K A J301 R L FRONT AUDIOOUT 1 1 9 WHT BLK GRN BLK VIO BLK GRY BLK WHT GRN VIO GRY BLU RED BLK 2 2 10 3 3 11 4 4 12 5 5 13 6 6 14 7 7 15 8 8 1 2 3 4 5 6 7 8 16 RL RL GRN BLK WHT BLK GRY BLK VIO BLK GRN WHT GRY VIO FL FL FR FR RR RR ACC GND BLK YEL RED BLU ANT REM NC...

Page 22: ...R130 R324 R131 R325 R132 R326 R133 R327 R328 R329 R139 R330 C101 R331 C102 R332 R333 R140 R334 R335 C105 C106 R336 R143 R338 C301 C302 C303 C110 C304 C305 C306 C308 C309 R346 C119 C502 R157 C504 C310 R159 C505 C313 C508 C314 C509 CL201 C122 CL202 CL203 C317 R160 R161 CL011 C319 CL012 R162 CL013 CL014 C510 CL015 C511 CL016 CL017 R167 C513 R168 CL018 C514 C320 CL019 R169 C515 C321 C516 C322 C517 C32...

Page 23: ...RSIDE A K E E E E 1 885 883 TUX DSP02 ANTENNAIN AUX 1 9 17 18 19 16 8 REMOTEIN R L REAR AUDIOOUT R L FRONT AUDIOOUT A2 KEYBOARD CN001 1 9 WHT BLK WHT GRN BLK GRN VIO BLK VIO GRY BLK GRY RED YEL BLK FRONTLCH FRONTLCH REARLCH REARLCH REARRCH REARRCH FRONTRCH FRONTRCH ACC BATT GND 2 10 3 11 4 12 5 13 6 14 7 15 8 16 PW1 TO CN102 REMOUT MAX0 4A BLU WHT A B C D E F 1 2 3 4 5 6 7 8 9 10 TUNER UNIT K A AN...

Page 24: ...D902 D903 D904 D905 D906 D907 D908 D909 D910 IC901 S907 PUSHENTER SELECT ROTARY ENCODER VOLUME KEYBOARD COMPONENTSIDE KEYBOARD CONDUCTORSIDE 1 1 1 3 2 4 5 2 6 7 3 A A A A A K K K K K A A A A A K K E K K K 12 36 25 13 24 48 37 1 885 884 11 11 1 885 884 11 11 LIQUIDCRYSTALDISPLAY LED904 S903 LED903 S904 LED902 S905 LED907 S901 LED906 S906 SOURCE OFF SEEK SEEK LED902 S905 A K A K A K A K A K A K CALL...

Page 25: ...LSW905 LSW906 3 1 2 4 5 6 LSW904 3 1 2 4 5 6 3 1 2 4 5 6 LSW903 3 1 2 4 5 6 LSW902 3 1 2 4 5 6 LSW901 3 1 2 4 5 6 CL001 R917 820 DA2J10100L D903 0 1 C903 C901 0 1 0 1 C902 0 1 C904 1 7 8 9 10 11 12 5 6 14 19 18 17 13 16 20 15 23 24 27 21 28 26 25 22 31 33 35 30 32 36 34 29 2 3 4 LCD901 0 R920 68 R913 68 R914 68 R915 R951 R954 R957 R960 R966 S905 R952 R955 R958 820 R901 1k R902 1k R903 1 2k R904 1 ...

Page 26: ...VSS 2 OVERCURRENT PROTECTOR THERMAL SHUTDOWN REFERENCE VOLTAGE ON OFF CONTROL IC501 OZ529IGN A1 TR BST 1 LX 2 FLT_USB 9 VIN 3 EN_SYS 4 USBOUT 5 ISET_USB 10 RT 15 VREF 16 FB_USB 6 USBIN 2V UVLS 7 SYNC 8 GNDA 14 VIC_USB 11 SS_SYS 13 EN_USB 12 HDR OSCILLATOR REFERENCE GENERATOR OVERCURRENT PROTECTION VS SEL Q S R ADJUSTMENT GENERATOR CHARGE PUMP OVER CURRENT LIMIT USBFAULT PROTECITON VOUT_SYS USBIN F...

Page 27: ...e power amplifier 27 28 NC Not used 29 FW_TXD O Serial data output terminal for flash writing 30 FW_RXD I Serial data input terminal for flash writing 31 FW_CLK I Serial data transfer clock signal input terminal for flash writing 32 FW_BUSY O Busy signal output terminal for flash writing 33 to 38 NC Not used 39 EPM O EPM signal output terminal Fixed at L in this unit 40 to 43 DEBUG_1 to DEBUG_4 O ...

Page 28: ...o send signal input from the Bluetooth section 84 BT_RESET A50 O Reset signal output to the Bluetooth section L reset 85 BT_POWER A50 O Power supply on off control signal output to the Bluetooth section H power on 86 NC Not used 87 SYS_ON O System on off control signal output terminal L system on 88 RCIN1 I Rotary commander shift key input terminal 89 KEYACK0 I Key acknowledge detection signal inp...

Page 29: ...terminal 3 3V for digital system 42 DVSS Ground terminal for digital system 43 REG1_EXTR Internal regulator reserve terminal 44 DVDD15 External capacitor connection terminal for internal regulator 45 TXD1 O Serial data output terminal Not used 46 RXD1 I Serial data input terminal Not used 47 48 OSC_CTL12 OSC_CTL13 I Clock control signal input terminal Not used 49 DVDD Power supply terminal 3 3V fo...

Page 30: ...y terminal 3 3V for digital system 89 DVSS Ground terminal for digital system 90 DVDD15 External capacitor connection terminal for internal regulator 91 JTRSTB I Reset signal input terminal for JTAG Normally fixed at L 92 JTCK I Clock signal input terminal for JTAG Normally fixed at L 93 JTDI I Data input terminal for JTAG Normally fixed at L 94 JTMS I Mode selection signal input terminal for JTAG...

Page 31: ...2 182 A TUX DSP02 Tuner unit WR1 1 839 913 11 LEAD WIRE WITH CONNECTOR Bluetooth antenna wire 1 7 685 793 09 SCREW PTT 2 6X8 S 2 7 685 134 19 SCREW P 2 6X8 TYPE2 NON SLIT 3 7 685 794 09 SCREW PTT 2 6X10 S Ref No Part No Description Remark Ref No Part No Description Remark Note XX and X mean standardized parts so they may have some difference from the original one Items marked are not stocked since...

Page 32: ... 4 290 177 01 SCREW B P TITE M2 59 X 2582 972 3 CASE ASSY CCB1 1 780 904 12 CONDUCTIVE BOARD CONNECTION FP1 A 1850 347 A PANEL OVERALL ASSY FRONT E IND FP1 A 1850 349 A PANEL OVERALL ASSY FRONT AEP UK IC902 6 600 806 01 IC PNJ4813M01S0 LCD901 1 811 495 11 DISPLAY PANEL LIQUID CRYSTAL S907 1 487 023 22 ROTARY ENCODER PUSH ENTER SELECT Ref No Part No Description Remark Ref No Part No Description Rem...

Page 33: ...ISTOR R901 1 216 820 11 METAL CHIP 820 5 1 10W R902 1 216 821 11 METAL CHIP 1K 5 1 10W R903 1 216 821 11 METAL CHIP 1K 5 1 10W R904 1 216 822 11 METAL CHIP 1 2K 5 1 10W R905 1 216 823 11 METAL CHIP 1 5K 5 1 10W R906 1 216 824 11 METAL CHIP 1 8K 5 1 10W R907 1 216 820 11 METAL CHIP 820 5 1 10W R908 1 216 821 11 METAL CHIP 1K 5 1 10W R909 1 216 821 11 METAL CHIP 1K 5 1 10W R910 1 216 822 11 METAL CH...

Page 34: ...MIC CHIP 0 1uF 10 10V C221 1 126 208 21 ELECT CHIP 47uF 20 4V C223 1 100 742 91 CERAMIC CHIP 2 2uF 20 10V C225 1 112 298 91 CERAMIC CHIP 1uF 10 16V C226 1 164 845 11 CERAMIC CHIP 5PF 0 25PF 50V C227 1 164 845 11 CERAMIC CHIP 5PF 0 25PF 50V C228 1 112 298 91 CERAMIC CHIP 1uF 10 16V C229 1 125 777 11 CERAMIC CHIP 0 1uF 10 10V C231 1 112 298 91 CERAMIC CHIP 1uF 10 16V C232 1 164 852 11 CERAMIC CHIP 1...

Page 35: ...P 100PF 5 50V C615 1 164 874 11 CERAMIC CHIP 100PF 5 50V C616 1 164 874 11 CERAMIC CHIP 100PF 5 50V C617 1 164 874 11 CERAMIC CHIP 100PF 5 50V C618 1 125 777 11 CERAMIC CHIP 0 1uF 10 10V C620 1 164 937 11 CERAMIC CHIP 0 001uF 10 50V CONNECTOR CN101 1 779 806 21 CONNECTOR 8P CN102 1 774 701 21 PIN CONNECTOR 16P CN103 1 842 256 22 SOCKET CONNECTOR 15P CN201 1 843 174 11 USB CONNECTOR DIODE D106 6 50...

Page 36: ...AL CHIP 100K 5 1 16W R185 1 218 941 81 METAL CHIP 100 5 1 16W R186 1 218 941 81 METAL CHIP 100 5 1 16W R187 1 218 941 81 METAL CHIP 100 5 1 16W R189 1 218 941 81 METAL CHIP 100 5 1 16W R190 1 218 941 81 METAL CHIP 100 5 1 16W R191 1 218 941 81 METAL CHIP 100 5 1 16W R193 1 218 941 81 METAL CHIP 100 5 1 16W R194 1 218 977 11 METAL CHIP 100K 5 1 16W R195 1 218 941 81 METAL CHIP 100 5 1 16W R197 1 21...

Page 37: ...41 81 METAL CHIP 100 5 1 16W R502 1 216 817 11 METAL CHIP 470 5 1 10W R503 1 218 871 11 METAL CHIP 10K 0 5 1 10W R504 1 218 981 91 METAL CHIP 220K 5 1 16W R505 1 218 885 11 METAL CHIP 39K 0 5 1 10W R506 1 218 977 11 METAL CHIP 100K 5 1 16W R507 1 208 933 11 METAL CHIP 82K 0 5 1 16W R509 1 208 909 11 METAL CHIP 8 2K 0 5 1 16W R513 1 216 817 11 METAL CHIP 470 5 1 10W R514 1 218 929 11 METAL CHIP 10 ...

Page 38: ...POWER E IND 502 1 839 387 11 CONNECTION CORD ISO POWER AEP UK 503 1 465 459 51 ADAPTOR ANTENNA AEP UK 504 4 276 003 01 KEY FRAME 1 piece 505 4 168 810 02 COLLAR 506 3 934 325 01 SCREW K 5X8 TAPPING 1 piece E IND FITTING FRAME ASSY u 1 501 504 KEY FRAME u 2 POWER CORD u 1 505 506 COLLAR u 1 502 K5 u 8 u 4 POWER CORD ISO u 1 ANTENNA ADAPTER u 1 502 503 AEP UK E IND E IND ...

Page 39: ...MEMO DSX A50BT 39 ...

Page 40: ...N HISTORY Checking the version allows you to jump to the revised page Also clicking the version at the top of the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2012 03 New ...

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