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S/M No. :
Service Manual
Digital Video Recorder
MODEL:DX-N111N
STANDBY/ON REC
SCHEDULE LOCK
REMOTE
MENU/STILL
†/SLOWÐ
√/SLOW+
SETÐ/REV
SETÐ/CUE
REC
STOP
PLAY
DISPLAY
(STANDBY/ON)
(LOCK)
(ZOOM)
(INFO)
(AUDIO)
(R-SEARCH)
(E-SEARCH)
(T-SEARCH)
(CLEAR)
HDD LOCK
Caution :
In this Manual, some parts can be changed for improving, their
performance without notice in the parts list. So, if you need the latest
parts information,please refer to PPL(Parts Price List) in Service
Information Center (http://svc.dwe.co.kr).
DAEWOO ELECTRONICS CORP.
http : //svc.dwe.co.kr
Dec. 2004
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Table of Contents
Related Manuals for Daewoo DX-N111N
Summary of Contents for Daewoo DX-N111N
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Page 1: Digital Video Recorder
In this Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information,please refer to PPL(Parts Price List) in Service Information Center (http://svc.dwe.co.kr). DAEWOO ELECTRONICS CORP. http : //svc.dwe.co.kr Dec. 2004... -
Page 2: Table Of Contents
CONTENTS SPECIFICATIONS .............................2 DISASSEMBLY ORDER ...........................3 NVP3000 BLOCK DIAGRAM..........................4 NVP3000 PIN..............................5 NVP3000 PIN ASSIGNMENT ...........................6 EXTECTED RECORD TIME(80GB HDD USE) .....................9 U-COM PIN DESCRIPTION ..........................10 TROUBLE SHOOTING ............................13 SCHEMATICS ..............................20 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW ................28 1CH DVR BLOCK DIAGRAM ...........................30 VIDEO OPERATING ............................31 AUDIO OPERATING............................32 TERMINAL OPERATING ..........................33... -
Page 3: Specifications
DISASSEMBLY ORDER SPECIFICATIONS System Type Mobile Stand Alone Type DVR Video Input 1 Ch (BNC) VIdeo Out 1 Composite (BNC), 1 Composite (RCA) Loop Back Out None Audio Input 2 Ch Mono (RCA), 1 Mic (selectable) Audio Output 1 Ch Mono (RCA) Live Display Speed 60fps Live &... -
Page 4: Nvp3000 Block Diagram
NVP3000 BLOCK DIAGRAM NVP3000 PIN SDRAM VSSI VDD3I DATA_E[3] HDATA[6] DATA_E[2] HDATA[5] DATA_E[1] HDATA[4] DATA_E[0] HDATA[3] Raster VDD3I VSSI JPEG EXT_TRIG_OUT HDATA[2] Proce ssor Encode r Block TDATA_IN HDATA[1] TCLK_IN HDATA[0] CLK27I HIOWN VSSI VDD3OP Control VIN[0] HIORN VIN[1] HIORDY VIN[2] HINTRQ Block... -
Page 5: Nvp3000 Pin Assignment
NVP3000 PIN ASSIGNMENT NVP3000 PIN ASSIGNMENT –VIN (9-pin) •CLK27I :27MHz clock input •VIN [7:0 ] ::Video data input –AIN (2-pin) TRIG/TCLK/TDATA/ •AIN :Serial audio data input SDRAM_E CLK54I/RSTB •RSYNC :Audio data receive sync output STORAGE –AOUT (3-pin) •AOUT :Serial audio data output •BCLK :Serial bit clock output –VOUT (9-pin) •CLK27O :27MHz clock output... -
Page 6: Extected Record Time(80Gb Hdd Use)
EXPECTED RECORD TIME (80GB HDD use) NVP3000 PIN ASSIGNMENT –Storage (29-pin) •DATA [15:0 ] :Storage data inout UNIT HIGH MIDDLE •CSN1 :Storage address output File size/1f •CSN0 :Storage address output REC LEVEL PIC.Quality HIGH MIDDLE •ADDR [2:0 ] ::Storage address output •IOWN :Storage write strobe output 60fps 13.9Hour... -
Page 7: U-Com Pin Description
u-COM PIN DESCRIPTION u-COM PIN DESCRIPTION Pin No. Pin Name Type Connection Short Description Pin No. Pin Name Type Connection Short Description X2 out MICOM MAIN CLOCK OUTPUT REC LED Record LED MICOM POWER SOURCE SCHEDULE LED Schedule LED POWER FAIL IN/OUT POWER SUPPLY VOLTAGE LEVEL INPUT X3 in... -
Page 8: Troubleshooting
TROUBLESHOOTING u-COM PIN DESCRIPTION 1. POWER CIRCUIT Pin No. Pin Name Type Connection Short Description RESET B IN/OUT RESET INPUT SIGNAL IORW IN/OUT NET_INT IN/OUT IN/OUT IN/OUT No output voltage of Power Circuit. nAVR_RD IN/OUT READ ENABLE SIGNAL OUTPUT nAVR_WR IN/OUT WRITE ENABLE SIGNAL OUTPUT SW TRIG... - Page 9 TROUBLESHOOTING TROUBLESHOOTING No output 12V of IC 801 No output 6V of IC 802 Under the 17V Check the previous Check the 18-21 pin IC802 Power circuit Vdd =Vin Check the 5V at pin 4 IC804. Replace the IC804 Vout =IC804 out voltage. Check the pin 11-14 in IC 802 Check the D862,L811,IC802 42V Oscillation.
- Page 10 TROUBLESHOOTING TROUBLESHOOTING 2. VIDEO No output 3.3V of IC 803 The Input signal is the color bar for the video test. Check the previous Check the 18-21 pin IC803 Check the pattern and P901,P301 Vdd =Vin Power circuit You can find the color bar and Flat cable.
- Page 11 TROUBLESHOOTING TROUBLESHOOTING 3. AUDIO 3-1. LINE 1 3-3. MIC Check the Audio On key. You can see the audio mark on the screen. If you selected MIC in menu Check the Pin13 in P301 or If you selected Audio1 in menu Pin3 in IC310 Check the Pin13 in P301 or Pin3 Check the Pin5 in IC309...
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Page 12: Schematics
SCHEMATICS 1. CONNECTION DIAGRAM (3.0 COMBO) - Page 13 SCHEMATICS 2. BLOCK DIAGRAM...
- Page 14 SCHEMATICS 3. FRONT SCHEMATIC DIAGRAM (S/A 3.0 COMBO)
- Page 15 CIRCUIT DIAGRAM 4. JACK SCHEMATIC DIAGRAM...
- Page 16 CIRCUIT DIAGRAM 5. POWER SCHEMATIC DIAGRAM...
- Page 17 CIRCUIT DIAGRAM 6. SYSCON SCHEMATIC DIAGRAM...
- Page 18 CIRCUIT DIAGRAM 7. VIDEO/AUDIO SCHEMATIC DIAGRAM...
- Page 19 CIRCUIT DIAGRAM 8. CODEC SCHEMATIC DIAGRAM...
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Page 20: Components Location Guide On Pcb Bottom View
COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW 1-1 . VCR (MAIN) - Page 21 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW 1-2. POWER...
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Page 22: 1Ch Dvr Block Diagram
1CH DVR BLOCK DIAGRAM VIDEO OPERATING LIVE SDRAM KEY & JOG-SUTTLE NJM2267 CVBS MONITOR VIDEO U-COM HARD DISK JPEG NJM2267 NVP3000 FLASH CVBS SAA7121 MICOM MICOM I/F NVP3000 NVP1000 VIDEO ETHERNET RJ-45 Remote PC RECORD NETWORK NVP3000 Viewer NJM2267 VIDEO U-COM 1Channel DVR Block Diagram NJM2267... -
Page 23: Audio Operating
AUDIO OPERATING TERMIANL OPERATING ALARM INPUT Connect door SW &Sensor etc and this port will be used for emergency recording by using open/close status LIVE MIC IN N/O (Normal open) MC4558 U-COM AUDIO IN 500ms NVP3000 MSM7702 N/C (Normal close) AUDIO OUT 500ms RECORD... -
Page 24: Electrical Part List
KIA7033AP C342 CEXF1C100A C ELECTRO 16V RSM 10MF 5X7 SW501 5S50101Z90 SW TACT THVV502GDA PVACPSN752 ACCESSROY AS DX-N111N(DC CAR,R.S,RMC) D704A 97P4221400 CUSHION LED SILICON RUBBER D704 2mm C343 CEXF1C100A C ELECTRO 16V RSM 10MF 5X7 Z0012 PVMPJ2N752 MAIN CHIP TOP AS... - Page 25 ELECTRICAL PARTSLIST ELECTRICAL PARTSLIST PARTS_CODE PARTS_NAME PARTS_DESCR REMARK PARTS_CODE PARTS_NAME PARTS_DESCR REMARK PARTS_CODE PARTS_NAME PARTS_DESCR REMARK PARTS_CODE PARTS_NAME PARTS_DESCR REMARK C361 HCBK104KBA C CHIP CERA 50V X7R 0.1MF K 1608 C514 HCBK103KBA C CHIP CERA 50V X7R 0.01MF K 1608 C617 HCBK104KBA C CHIP CERA...
- Page 26 ELECTRICAL PARTSLIST ELECTRICAL PARTSLIST PARTS_CODE PARTS_NAME PARTS_DESCR REMARK PARTS_CODE PARTS_NAME PARTS_DESCR REMARK PARTS_CODE PARTS_NAME PARTS_DESCR REMARK PARTS_CODE PARTS_NAME PARTS_DESCR REMARK JP006 HRF8000-EA R CHIP 1/8 0 OHM 3216 Q701 T2SC2412KB TR CHIP 2SC2412K-T146-BR R403 HRFS750JBA R CHIP 1/16 75 OHM J 1608 R541 HRFS472JBA R CHIP...
- Page 27 ELECTRICAL PARTSLIST ELECTRICAL PARTSLIST PARTS_CODE PARTS_NAME PARTS_DESCR REMARK PARTS_CODE PARTS_NAME PARTS_DESCR REMARK PARTS_CODE PARTS_NAME PARTS_DESCR REMARK PARTS_CODE PARTS_NAME PARTS_DESCR REMARK R605 HRFS510JBA R CHIP 1/16 51 OHM J 1608 R826 HRFS470JBA R CHIP 1/16 47 OHM J 1608 R938 HRFS103JBA R CHIP 1/16 10K OHM J 1608 U501...
- Page 28 DAEWOO ELECTRONICS CORP. 686, AHYEON-DONG MAPO-GU SEOUL, KOREA C.P.O. BOX 8003 SEOUL, KOREA TELEX : DWELEC K28177-8 CABLE : "DAEWOOELEC"...
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