Daewoo DX-N111N Service Manual

S/M No. :

Service Manual

Digital Video Recorder

MODEL:DX-N111N

✔ 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.

Dec. 2004

http : //svc.dwe.co.kr

REMOTE

MENU/STILL

√/SLOW+

(LOCK)(STANDBY/ON) (ZOOM) (INFO) (AUDIO)

†/SLOWÐ

SETÐ/REV SETÐ/CUE

(R-SEARCH)

REC

STANDBY/ON REC SCHEDULE LOCK

(E-SEARCH)

STOP

(T-SEARCH)

PLAY

(CLEAR)

DISPLAY

HDD LOCK

STANDBY/ON

ZOOM

P/T/Z

DVR ID

DISPLAY

INFO

SLOW+

REV

LOCK

R-SEARCH SHIFT/R

T-SEARCH

E-SEARCH

SLOW–

AUDIO SET– MENU

STILL

SET+CLEAR

REC

STOP PLAY SHIFT/D

-._

ABC DEF GHI JKL

CUE

12345

MNO

PQR STU VWX YZ@

678910

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

ELECTRICAL PART LIST..................................................................................................................................34

CONTENTS

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 & Playback Display 1, 2X Zoom Live Display Resolution 720(H) x 240(V) Recording Mode Manual, Schedule, Alarm, Motion Recording Method (Compression Rate) 3 steps (High, Mid, Low) Record/Playback Resolution 720(H) x 240(V) Maximum Recording Speed Max. : 60fps Recording Speed Option NTSC : 1/30, 1/15, 1/10, 1/5, 1/3, 1/2, 1, 2, 3, 5, 10, 15, 30, 60 (Time-lapse recording - fps) Pre Alarm Record Yes (15field) Compression (Codec) M-JPEG Playback Search Mode Time Search, Event Search, Record Search Playback Speed Forward : x1, x2, x4, x8, x16

Reverse : x1, x2, x4, x8, x16

Still and Frame Advance Multi Tasking Duplex (REC and PB) Alarm Sensor Motion/D, 4 Alarm In, 1 Alarm Out Wired Remocon (Remote Eye) Yes Interface (Backup) VCR Pan/Tilt/Zoom Control – Operating System Embedded RTOS System Control Front 9keys , 1R Remote 30keys LED Display 6EA Hard Disk Storage 3.5” IDE Type Removable HDD YES Ambient Temperature 0p : 0° to 40°, Non 0p : –40° to 70° Relative Humidity 0p : 5% to 90%, Non 0p : 5% to 95% Shock (Gs max at 2msec) 0p : 63Gs, Non 0p : 350Gs (Seagate HDD Used) Vibration (0 to peak, 22~350Hz) 0p : 0.5Gs, Non 0p : 5.00Gs (Seagate HDD Used) Power Supply DC12V – 36V (Free Volt), 15W Dimension (mm) 178(W) x 275 (D) x 82(H) Weight (Net) 3kg

NVP3000 PIN

NVP3000 BLOCK DIAGRAM

Pre

Processor

Raster

Block

HDD

Control

Post

Processor

SDRAM

HDD

JPEG

Encoder

Block

Raster

SDRAM

micom_if

MICOM

JPEG

Decoder

RASB_D

105

FLASH

VSSI

NVP3000

DATA_E[3]

DATA_E[2]

DATA_E[1]

VDD3I6

EXT_TRIG_OUT

TDATA_IN

TCLK_IN

CLK27I10

VIN[0]

VIN[1]

VIN[2]

VIN[3]

VIN[4]

VIN[5]

VIN[6]

VIN[7]

VSSOP

RSYNC

AOUT

XSYNC

VDD3OP

CLK27O

VOUT[7]

VOUT[6]

VSSI

VOUT[4]

VOUT[3]

VOUT[2]

VDD3I

VOUT[0]

DATA_D[0]

DATA_D[1]

VSSI

DATA_D[2]

DATA_E[0]

VDD3I

BCLK

VOUT[1]

VSSI

AIN

VOUT[5]

DATA_D[3]]

DATA_D[4]]

DATA_D[5]]

VDD3I

DATA_D[10]

DATA_D[6]

DATA_D[7]

DATA_D[8]

DATA_D[9]

VSSOP

CLK54O_D

VDD3I55BA_D[0]56BA_D[1]

CASB_D58ADDR_D[0]

WEB_D

ADDR_D[4]

KEY_DATA[0]

VDD3I

KEY_SEL[3]

ADDR_D[8]

KEY_DATA[4]

SHUTTLE[0]

697071

ADDR_D[1]72VSSI73ADDR_D[2]

ADDR_D[3]

ADDR_D[5]

VDD3I

ADDR_D[6]

ADDR_D[7]

ADDR_D[9]

VSSOP

ADDR_D[10]82ADDR_D[11]83KEY_DATA[1]84VDD3OP85KEY_DATA[2]86KEY_DATA[3]87KEY_DATA[5]88VSSI89KEY_SEL[0]

KEY_SEL[1]

KEY_SEL[2]

KEY_SEL[4]

KEY_SEL[5]

JOG[0]

JOG[1]

VSSI

SHUTTLE[1]

100

101

SHUTTLE[2]

102

103

104

106

VDD3I

107

MCSN

108

MWEN

109

MDATA[3]

110

VSSI

111

MDATA[6]

112

MDATA[5]

113

MDATA[7]

114

VDD3OP

115

MDATA[2]

116

MDATA[1]

117

MRDN

118

MDATA[0]

119

VSSI

120

MDATA[4]

121

MADDR[0]

122

MADDR[1]

123

MADDR[2]

124

TEST0

125

CLK54I

126

TEST1

127

HWR_RD

128

HACC_REQ

129

HCSN0

130

HCSN1

131

HADDR[0]

132

133

HADDR[1]

134

135

136

137

VSSOP

138

139

140

141

VDD3I

142

VDD3OP

143

HADDR[2]

144

VSSI

145

HDATA[0]

146

HINTRQ

147

HIORDY

148

HIORN

149

HIOWN

150

HDATA[1]

151

HDATA[5]

152

HDATA[2]

153

HDATA[3]

154

HDATA[4]

155

HDATA[6]

156

VDD3I

158

HDATA[10]

159

VSSI

160

HDATA[12]

162

HDATA[14]

163

VDD3I

164

HRSTN

161

HDATA[13]

157

HDATA[9]

166

ADDR_E[11]

167

VSSOP

168

ADDR_E[9]

170

VDD3OP

171

ADDR_E[6]

172

ADDR_E[5]

169

ADDR_E[7]

165

HDEN

174

VSSI

175

ADDR_E[2]

176

ADDR_E[1]

178

BA_E[1]

179

VDD3I

180

BA_E[0]

177

ADDR_E[0]

173

ADDR_E[4]

182

CASB_E

183

VSSI

184

WEB_E

186

DATA_E[15]

187

VDD3I

188

DATA_E[14]

185

DQM1_E

181

CLK54O_E

190

191

192

HDATA[15]

194

ADDR_E[3]

195

196

HDATA[11]

193

DQM0_E

189

DATA_E[13]

198

RASB_E

199

200

VSSOP

202

DATA_E[9]

203

DATA_E[8]

204

DATA_E[7]

201

DATA_E[10]

197

ADDR_E[10]

206

DATA_E[5]

207

DATA_E[4]

208

205

DATA_E6]

ADDR_E[8]

HDATA[8]

HDATA[7]

DATA_E[11]

DATA_E[12]

SHUTTLE[3]

VDD3I

RSTB

NW_RDY

MINTRQ

VSSOP

TEST

DATA_D[11]

DATA_D[12]

DATA_D[13]

VDD3OP

DATA_D[14]

DATA_D[15]

VSSI

DQM1_D

DQM0_D

NVP3000 PIN ASSIGNMENT

total user IO pin : 167-pin

VIN

AIN

AOUT

VOUT

SDRAM_E

TRIG/TCLK/TDATA/

CLK54I/RSTB

TEST0/TEST1/

BND/TEST

STORAGE

MICOM

KEY

JOG-

SHUTTLE

SDRAM_D

5 36

–VIN (9-pin)

•CLK27I :27MHz clock input

•VIN [7:0 ] ::Video data input

–AIN (2-pin)

•AIN :Serial audio data input

•RSYNC :Audio data receive sync output

–AOUT (3-pin)

•AOUT :Serial audio data output

•BCLK :Serial bit clock output

–VOUT (9-pin)

•CLK27O :27MHz clock output

•VOUT [7:0 ] ::Video data output

–SDRAM_D (36-pin)

•CLK540_D :SDRAM driving clock output

•RASB :Row address strobe output

•CASB :Column address strobe output

•WEB :Write enable output

•DQM0 :Data(DQ)mask output

•DQM1 :Data(DQ)mask output

•DATA [15:0 ] ::Data bus inout

•ADDR [11:0 ] ::Address bus output

•BA [1:0 ] :Bank selection output

–KEY (12-pin)

•KEY_DATA [5:0 ] ::Key scan row address output

•KEY_SEL [5:0 ] ::Key data input

–JOG-SHUTTLE (6-pin)

•JOG [1:0 ] :Jog signal input

•SHUTTLE [3:0 ] ::Shuttle signal input

–MICOM (16-pin)

•MADDR [2:0 ] ::Indirect register address input

•CSN :Chip select input

•WEN :Write enable input

•RDN :Read enable input

•INTRQ :Interrupt output

•MDATA [7:0 ] ::Data inout

•NWRDY :network ready strobe

EXPECTED RECORD TIME (80GB HDD use)

NVP3000 PIN ASSIGNMENT

0.0050.0070.013Mbps

77672.3Hour51781.5Hour27740.1 H our0.03fps

0.00230.00350.0066Mbps

0.0160.0230.044Mbps

23301.7Hour15534.5Hour8322.0Hour0.1fps

0.0080.0120.022Mbps

38836.1Hour25890.8Hour13870.1 H our0.06fps

1165.1Hour776.7Hour416.1Hour2fps

0.160.230.44Mbps

2330.2Hour1553.4Hour832.2Hour1fps

0.0780.1170.219Mbps

4660.3Hour3106.9Hour1664.4Hour0.5fps

0.0390.0590.109Mbps

7767.2Hour5178.2Hour2774.0Hour0.3fps

0.0160.0230.066Mbps

155.3Hour103.6Hour55.5Hour15fps

1.21.83.3Mbps

233.0Hour155.3Hour83.2Hour10fps

0.81.22.2Mbps

466.0Hour310.7Hour166.4Hour5fps

0.390.591.09Mbps

776.7Hour517.8Hour277.4Hour3fps

0.230.350.66Mbps

11650.8Hour7767.2 Hour4161.0Hour0.2fps

38.8Hour25.9Hour13.9Hour60fps

4.77.013.1Mbps

77.7Hour51.8Hour27.7Hour30fps

LOWMIDDLEHIGHUNIT

2.33.56.6Mbps

LOWMIDDLEHIGHPIC.QualityREC LEVEL

101528KBFile size/1f

–Storage (29-pin)

•DATA [15:0 ] :Storage data inout

•CSN1 :Storage address output

•CSN0 :Storage address output

•ADDR [2:0 ] ::Storage address output

•IOWN :Storage write strobe output

•IORN :Storage read strobe output

•INTRQ :Storage interrupt input

•RSTN :Storage reset output

•IORDY :Storage ready signal input

•DEN :Data bus control input

•ACC_REQ :External bus access request

•WR_RD :External bus write/read access strobe

–TEST0/TES1/BND/TEST (4-pin)

•TEST0,TEST1 :Chip operation mode selection input

•FLASH :Chip bonding option selection input

•TEST :Chip test input pin for storage device reset point

–SDRAM_E (36-pin)

•CLK54O_E :SDRAM driving clock output

•RASB :Row address strobe output

•CASB :Column address strobe output

•WEB :Write enable output

•DQM0 :Data(DQ)mask output

•DQM1 :Data(DQ)mask output

•DATA [15:0 ] ::Data bus inout

•ADDR [11:0 ] ::Address bus output

•BA [1:0 ] :Bank selection output

–CLK54I/RSTB/TRIG_OUT/TCLK/TDATA (5-pin)

•CLK54I :54MHz main clock input

•RSTB :Global reset input

•TRIG_OUT :External trigger signal output

•TCLK :Serial channel ID decoding strobe

•TDATA :Serial channel ID decoding data

Pin No. Pin Name Type Connection Short Description

39 X2 out OUT MICOM MAIN CLOCK OUTPUT 40 Vss IN MICOM POWER SOURCE 41 X3 in IN MICOM CLOCK INPUT 42 X3 out IN/OUT MICOM CLOCK OUTPUT 43 CLK SEL IN SELECTIVE CLOCK INPUT 44 AUDIO SEL3 IN AUDIO SELECT INPUT 45 AUDIO SEL2 IN AUDIO SELECT INPUT 46 NUB IN NOT USABLE 47 LP IN/OUT CONNECTION PIN FOR OSCILLATION CIRCUIT FOR INTERNAL

SYNCHRONOUS SIGNAL GENERATOR 48 ALARM IN4 IN/OUT ALARM SIGNAL INPUT 49 OSD GND IN OSD POWER SOURCE INPUT 50 VIDEO IN IN COMPOSITE VIDEO SIGNAL INPUT 51 LECHA IN WHITE LEVEL INPUT 52 VIDEO OUT IN/OUT COMPOSITE VIDEO SIGNAL OUTPUT 53 OSD Vcc IN OSD POWER SOURCE INPUT 54 HLF IN/OUT FILTER CONNECTION PIN FOR SLICER 55 PLAY LED IN/OUT PLAY LED SIGNAL 56 V IN IN COMPOSITE VIDEO SIGNAL INPUT 57 NUA IN/OUT NOT USABLE 58 H SYNC IN/OUT HORIZONTAL SYNC INPUT 59 V SYNC IN/OUT VERTICAL SYNC INPUT 60 S D2 IN/OUT DECORDER,ENCORDER IIC DATA LINE 2 61 S D1 IN/OUT DECORDER,ENCORDER IIC DATA LINE 1 62 S CLK IN/OUT DECORDER,ENCORDER IIC CLCOK LINE 63 LOCK LED IN/OUT LOCK LED SIGNAL 64 LE IN/OUT 65 RE IN/OUT 66 ADDR2 IN/OUT 67 ADDR1 IN/OUT 68 ADDR0 IN/OUT 69 ALARM OUT IN/OUT ALARM SIGNAL OUTPUT 70 3000_NBUSY_IRQ IN/OUT NVP3000 GLOBAL RESET OUTPUT SIGNAL 71 ROM CLOCK IN/OUT ROM MEMORY SIGNAL 72 AUDIO SEL1 IN/OUT AUDIO SELECT SIGNAL 73 SUSPEND IN/OUT 74 BUZ SIG IN/OUT BUZZER CONTROL SIGNAL OUTPUT 75 VBUS PWR VALID IN/OUT

u-COM PIN DESCRIPTION

Pin No. Pin Name Type Connection Short Description

1 REC LED OUT Record LED 2 SCHEDULE LED OUT Schedule LED 3 POWER FAIL IN/OUT POWER SUPPLY VOLTAGE LEVEL INPUT 4 ALARM IN2 IN/OUT ALARM SIGNAL INPUT 5 ALARM IN1 IN/OUT ALARM SIGNAL INPUT 6 CODEC D11 IN CODEC SIGNAL INPUT 7 CODEC D10 IN CODEC SIGNAL INPUT 8 CODEC D9 IN CODEC SIGNAL INPUT 9 CODEC D8 IN CODEC SIGNAL INPUT 10 NVP3000 CS IN NVP3000 CHIP SELECT INPUT 11 CODEC D14 IN CODEC SIGNAL INPUT 12 CODEC D13 IN CODEC SIGNAL INPUT 13 CODEC D12 IN CODEC SIGNAL INPUT 14 REMOCON IN IN/OUT REMOCON SIGNAL INPUT 15 SP CLK IN 16 RWN IN/OUT READ WRITE ENABLE SIGNAL 17 NVP1200 CS IN NVP1200 SELECT INPUT 18 CODEC D7 IN CODEC SIGNAL INPUT 19 CODEC D6 IN CODEC SIGNAL INPUT 20 CODEC D5 IN CODEC SIGNAL INPUT 21 CODEC D4 IN CODEC SIGNAL INPUT 22 CODEC D3 IN CODEC SIGNAL INPUT 23 CODEC D2 IN CODEC SIGNAL INPUT 24 CODEC D1 IN CODEC SIGNAL INPUT 25 CODEC D0 IN CODEC SIGNAL INPUT 26 OSD DATA 7 IN/OUT MUC IC CONTROL PARALELL SIGNAL OUTPUT 7 27 OSD DATA 6 IN/OUT MUC IC CONTROL PARALELL SIGNAL OUTPUT 6 28 OSD DATA 5 IN/OUT MUC IC CONTROL PARALELL SIGNAL OUTPUT 5 29 OSD DATA 4 IN/OUT MUC IC CONTROL PARALELL SIGNAL OUTPUT 4 30 OSD DATA 3 IN/OUT MUC IC CONTROL PARALELL SIGNAL OUTPUT 3 31 OSD DATA 2 IN/OUT MUC IC CONTROL PARALELL SIGNAL OUTPUT 2 32 OSD DATA 1 IN/OUT MUC IC CONTROL PARALELL SIGNAL OUTPUT 1 33 OSD DATA 0 IN/OUT MUC IC CONTROL PARALELL SIGNAL OUTPUT 0 34 RESET IN MICOM RESET INPUT 35 X1 in IN MICOM SUB CLOCK INPUT 36 X1 out IN/OUT MICOM SUB CLOCK OUTPUT 37 Vcc IN MICOM POWER SOURCE 38 X2 in IN MICOM MAIN CLOCK INPUT

TROUBLESHOOTING

u-COM PIN DESCRIPTION

1. POWER CIRCUIT

Pin No. Pin Name Type Connection Short Description

76 RESET B IN/OUT RESET INPUT SIGNAL 77 IORW IN/OUT 78 NET_INT IN/OUT 79 IN/OUT 80 CS IN/OUT 81 nAVR_RD IN/OUT READ ENABLE SIGNAL OUTPUT 82 nAVR_WR IN/OUT WRITE ENABLE SIGNAL OUTPUT 83 SW TRIG IN/OUT EXTRA TRIGGER INPUT 84 P3000_IRQ IN/OUT 85 ALARM IN 3 IN ALARM SIGNAL INPUT 86 87 88 AMP VSS IN AMP VSS 89 90 91 AMP Vrefout OUT ANALOG AMPLIFIER’S REFERENCE VOLTAGE OUTPUT 92 AMP Vrefin IN ANALOG AMPLIFIER’S REFERENCE VOLTAGE INPUT 93 C IN CAPACITOR CONNECTION PIN 94 95 96 97 98 AMP VCC IN ANALOG AMPLIFIER’S POWER SOURCE INPUT 99 Avcc IN REFERENCE VOLTAGE INPUT 100 HDD DETECT IN/OUT FRAME ADVANCE BREAKE ADJUST VOLTAGE INPUT

No output voltage of Power Circuit.

Check the DC Adapter

Check the 2 pin in the P912

Check the 30,31pin

in the P902

Replace the DC Adapter

Replace the P912

Replace the P902 or Check

the pattern in Rear Board.

Replace the L802

YES

Replace the F801 or wait

for 1min,because this fuse

type is a PTC.

Check the pattern from C820(+)

to each power IC s input.

Check the F801

YES

Check the L802

YES

Check 18,19,20,21 pin

In the IC801,IC802,IC803

YES

Check 12V Output at L801

YES

Check 6V Output at L811

Check 3.3V Output at L831

TROUBLESHOOTING

No output 12V of IC 801

Check the 5V at pin 4 IC804.

Vout =IC804 out voltage.

Is the Q801 turn on?

Check the pin1 in IC806

5V <Vin

Replace the IC804

Check the IC806

Check the previous

Power circuit

Replace the IC804

YES

Check the R828,R829,D805

Check the 18-21 pin IC801

Vdd =Vin

Check the pin 11-14 in IC 804

42V Oscillation.

Under the 17V

YES

Check the 5V at pin 4 IC804.

Ever 12V =IC804 out voltage.

Check the D862,L811,IC802

YES

Over the 17V

Check the Q801

Check the D804

No output 6V of IC 802

Check the pin 11-14 in IC 802

42V Oscillation.

Check the pin 25 in IC 802

25V Oscillation.

Check the pin 8 in IC 802

10V Oscillation.The same frequency

Of Pin25 in IC802.

Check the D862,L811,IC802

Check the D861,IC802

Check the previous

Power circuit

YES

Check the D861 IC802

Check the 18-21 pin IC802

Vdd =Vin

+ 19 hidden pages

Daewoo DX-N111N Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual