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Daewoo DSN-9070, Service Manual

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Daewoo DSN-9070 Service Manual Download Page 21

19

2) No function of wireless Keyboard(or Remocon)

 

Keyboard battery

 

check

 

IP001 #3 SB5V and 

 

IR pulse check

 

Battery change

(AAM *2)

 

X004 Waveform

 

check

 

SB5V Repair and

 

IP001 Check /Repalce 

 

I101 #165,#167,

 

#168,#169 check

 

X004(6Mhz) waveform

 

check/Replace

 

Between I005 and I101,

 

Pattern check/Repair

 

Change

 

wireless KBD/Remocon

 

START

O.K

O.K

O.K

O.K

N.G

N.G

N.G

N.G

Summary of Contents for DSN-9070

Page 1: ...S M No SN500P 010 Service Manual Internet Settop Box CHASSIS SN 500 OCT 1999 DAEWOO ELECTRONICS CO LTD http svc dwe co kr Model DSN 9070 DSN 9071...

Page 2: ...TABLE OF CONTENTS 1 Instruction Manual 1 2 Specification 13 3 Block Diagram 14 4 Description of the Circuit Operation 15 5 Trouble Shooting 17 6 Circuit Diagram 26 7 Exploded View 32 8 Packing View 33...

Page 3: ...ox is placed on a steady flat surface you place the set top box where there is good ventilation all around you clean the set top box only with a soft lint free cloth do not use aggressive or alcohol b...

Page 4: ...h for purchasing the Internet Set top Box To enjoy the Internet with this Set top Box you are recommended to subscribe to a local network And for better and easier use of this product please read thro...

Page 5: ...are credit cards with an added computer chip that stores personal information Smart Cards will make transactions conducted on the Internet such as buying products paying bills and banking safer and mo...

Page 6: ...3 4 5 6 7 1 VIDEO OUTPUT Connects your set top box to the video input of your TV 2 AUDIO R L OUTPUT Connects your set top box to the right and left audio inputs of your TV 3 Phone Wire Port Connects y...

Page 7: ...is located on the right bottom of screen CONNECTING YOUR SYSTEM 1 Connecting your TV Connect audio and video cable to the set top box and to audio and video input on your TV 2 TV with an S VIDEO jack...

Page 8: ...e input is finished click OK Then the initial page will appear In the case of LAN type Network setup screen will appear like left side page Input the required information Please refer to the below exp...

Page 9: ...rd and cancel to stop finding INPUT BOX Type in the address of the site which you want to visit and click the go icon In case that the address of the site is in the form of www com you may type in the...

Page 10: ...ed web site is completely downloaded click bookmark icon And then the text box and icons will appear WEB BROWSING CONTINUED 2 To add the site in the bookmark click the add icon and choose the folder t...

Page 11: ...nds of menu for the environmental set up will be seen GENERAL SETUP u Click the General Setup then the left side page will appear Initial Page Setup To set the firstly shown site when you turn on set...

Page 12: ...the mail out Previous To show the previous mail Next To show the next mail Return To go back to the previous page E MAIL CONTINUED To make use of this mail function you have to set a few things firstl...

Page 13: ...il folder if you use IMAP4 protocol Open To open the selected folder Add To make a new folder Del To delete a folder Rename To change the name of folder Return To go back to the previous page E MAIL C...

Page 14: ...HE SOFTWARE The software of this set top box can be upgraded via the Internet We will have the new software on the Internet every time any changes are made The local distributor will give the address...

Page 15: ...s Keyboard Installed Printer Port Installed S Video Out Installed C Video Out Installed Audio Out L R Installed Output Type NTSC M or PAL B D G H I Connect Type MODEM or LAN Smartcard Installed Softwa...

Page 16: ...14 3 Block Diagram...

Page 17: ...any problems in the WEB BROWSER The small WEB BROWSER can be loaded by operating the power and the A S SW Turn the power on while pressing the A S SW then turn the A S SW off in 5 sec 3 FLASH MEMORY p...

Page 18: ...8 SOUND OUTPUT part SOUND OUTPUT is supplied from the ARM 7500FE in digital types Analogue signals R and L are supplied to the external amplifier through CS4333 SOUND ENCODER using the digital type st...

Page 19: ...ess booting 7 Can t connect ISP 8 Can t hear sound effect and Playing wave file 9 Can t print 2 To download a browser for A S 1 Turn off set 2 Push the A S button S002 and turn on set 3 You should pus...

Page 20: ...40 S B 5Vdc check Change the adapter I005 40 1 I025 2 VCC check LD001 LED check SB5V and GND R088 ZD001 D040 check Replace I025 4 high check I025 check Replace LD001 Red Check Replace 2 No function of...

Page 21: ...01 3 SB5V and IR pulse check Battery change AAM 2 X004 Waveform check SB5V Repair and IP001 Check Repalce I101 165 167 168 169 check X004 6Mhz waveform check Replace Between I005 and I101 Pattern chec...

Page 22: ...Waveform check Connect correctly Change cable I019 12 18 19 Waveform check X001 64M X003 14 318M Check Replace I101 RGB H V Check I019 Check Replace Move to Item 4 I012 I080 6 Signal Line Check Repair...

Page 23: ...olor or Raster with unstable sync I101 R G B H V check I022 30 NTSC PAL check I101 Check I022 16 14 318Mhz check Set display system correctly I019 check Replace I022 Check Replace O K O K O K N G N G...

Page 24: ...09 I015 I016 Connection check Repair Check Replace Download new browser START O K O K N G I008 I009 I015 I016 Connection check Repair Check Replace Download new browser Modem Lan Connection check Conn...

Page 25: ...o check Connect correctly or change Ask ISP or admin Modem or Lan card check Change setup and try P006 ISA Slot check Address data line check Set com2 port and IRQ3 Replace Repair or Replace Repair Do...

Page 26: ...hear sound effect and playing wav file Audio connector check Browser Set up check Connect correctly Change I020 In Out check Set sound effect correctly I020 check Replace I101 Check START N G N G N G...

Page 27: ...k Printer connector check Turn on printer Browser Set up check Connect correctly Change connector I013 In Out and I O pin check Set printer correctly I013 check Replace I O line Replace I101 check STA...

Page 28: ...S_ANALOG 95 INT5 186 VSS_ATOD 127 VDD2 41 VSS_CORE1 151 NINT4 185 VSS_CORE2 212 VDD1 24 CLK16 208 NINT3 98 NIOW 215 VDD0 8 NCCS 217 INT2 192 RESET 138 OSCDELAY 136 READY 187 NINT1 191 BOUT 93 NRESET 1...

Page 29: ...0_1 38 P2_2 23 P0_2 37 P2_3 24 P0_3 36 P2_4 25 P0_4 35 P2_5 26 P0_5 34 P2_6 27 P0_6 33 P2_7 28 P0_7 32 P3_0 10 P1_0 1 P3_1 11 P1_1 2 P3_2 12 P1_2 3 P3_3 13 P1_3 4 P3_4 14 P1_4 5 P3_5 15 P1_5 6 P3_6 16...

Page 30: ...DQ12 38 DQ13 39 DQ14 40 DQ15 41 VSS 42 I084 KM416C1204BJ 1MB 16 VCC 1 DQ0 2 DQ1 3 DQ2 4 DQ3 5 VCC 6 DQ4 7 DQ5 8 DQ6 9 DQ7 10 N C 11 N C 12 nW 13 nRAS 14 A11 N C 15 A10 N C 16 A0 17 A1 18 A2 19 A3 20...

Page 31: ...27 D4 17 A4 28 D5 16 A5 29 D6 15 A6 30 D7 14 A7 31 D8 11 A8 32 D9 10 A9 35 D10 9 A10 36 D11 8 A11 37 D12 7 A12 38 D13 6 A13 39 D14 5 A14 40 D15 4 A15 41 VPP 2 A16 42 CE 3 A17 43 NC0 1 OE 22 GND0 12 NC...

Page 32: ...42 MS0 11 P004 VGA_OUT VCC 1 RED 2 GREEN 3 BLUE 4 HSYNC 5 VSYNC 6 GND1 7 GND2 8 BL016 C056 0 1uF C071 0 01uF C072 0 01uF I019 CH9294G VCLK 19 STROBE 6 MCLK 12 MS0 9 XO_FIN 1 VDD0 13 MS1 11 GND1 14 MS...

Page 33: ...7 33 R009 33 R014 33 R015 33 R016 33 R017 33 R018 33 R019 33 R020 33 R021 33 R022 33 C075 470pF C076 470pF C077 470pF C078 470pF C079 470pF C080 470pF C074 470pF C073 470pF C083 470pF C084 470pF C085...

Page 34: ...57026903 7121300811 4 3 5 AL EX L 26 MATERIAL T2S PAN 3x8 MFZN T2S PAN 3x8 MFZN Q TY EGI T0 8 1 DSN 500A 1 1 1 2 EARTH PLATE MASK FRONT AS LABEL SERIAL SPEC PLATE CABINET UPPER SCREW TAPPTITE COVER BA...

Page 35: ...CK PHONE PLUG 4924600200 PART CODE 4859000170 PAD PART NAME 4850Q00610 4859005150 ADAPTOR POWER BATTERY 1301 62 05 EPS DSN 500 1 Q TY 1 MATERIAL LR6 DIN 4P PLUG 1500 1 2 1 1 12 1 7 1 6 1 8 1 1 9 10 1...

Page 36: ...DAEWOO ELECTRONICS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC E mail G7F00E web dwe co kr FAX 82 32 510 7624 TEL 82 32 510 7630...

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