Daewoo DPC7100 Schematic
S/M No. : DPC7100SE0
Service Manual
Portable DVD Player
MODEL : DPC-7100 series
Caution :
In this Manual, some parts can be changed for improving, their performance without notice in the parts list.
DAEWOO ELECTRONICS Corp.
http : //svc.dwe.co.kr |
Oct. 2004 |
1 General Descriptions.................................................. |
1 |
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1.1 |
Model Features .......................................................................................... |
1 |
1.2 |
Information................................................................................................ |
2 |
2 Electrical Characteristics........................................... |
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2.1 |
Optical Characteristics............................................................................. |
3 |
2.2 |
Electrical Characteristics ......................................................................... |
3 |
2.3 |
System Block Diagram ............................................................................. |
4 |
3 Power .......................................................................... |
5 |
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3.1 |
Power Supply............................................................................................. |
5 |
3.2 |
Rechargeable Battery ............................................................................... |
5 |
4 Dimension & Physical Characteristics...................... |
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4.1 |
Outline Dimension..................................................................................... |
7 |
4.2 |
Physical Characteristics ........................................................................... |
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4.3 IM Drawing ............................................................................................... |
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5 Regulatory Standards............................................... |
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5.1 |
Safety ........................................................................................................ |
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5.2 EMI........................................................................................................... |
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5.3 |
Ergonomics .............................................................................................. |
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6 Trouble Shooting...................................................... |
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6.1 |
Error Code Table..................................................................................... |
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6.2 |
Debug & Trouble Shooting..................................................................... |
14 |
1 General Descriptions
1.1 Model Features
Video: DVD Playback, Kodak picture CD compatible & JPEG readable
Audio: CD, CD-R, CD-RW, MP3, DVD Audio (option), WMA (option) Playback
Slim Optical Pickup System for Disc Stability & Compatibility
Dolby Digital & DTS (option) Decode
7" active-matrix TFT screen, 16:9 wide aspect ratio
Progressive Scan video output (option)
Ultra slim dimension & light weight: 212mm(L) x 158mm(W) x 29.8mm(H) / 850g (around)
Slim size wireless remote control
Rechargeable battery pack
12-volt car cigarette lighter cable
Universal AC/DC power adapter
Audio/video cable for TV connection
Built-in stereo speakers
Two Stereo headphone jack
External NTSC or PAL TV-tuner module
Anti Shock Protection
- 1 -
1.2 Information
Disk Format |
DVD, VCD, CD, MP3, CD-R, CD-RW, DVD-AUDIO (OPTION), |
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WMA (OPTION) |
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Video System |
NTSC / PAL |
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Video Decompression |
MPEG-2 (ISO/IEC-13818), MPEG-1 |
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Video Output |
1.0Vpp/75 ohm Sync, minus |
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Audio Characteristic |
2-Channel Analog, 5.1-Channel Digital Output |
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Analog Output |
2.0V/10k ohm |
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Frequency Response |
DVD: 48kHz Sampling: 4Hz-22kHz; 96kHz Sampling: 4Hz-44kHz |
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CD: 4Hz-20kHz |
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S/N Ratio |
<= -65dB |
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Dynamic Range |
<= -85dB |
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Distortion |
<= 0.01% |
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Digital Output |
SPDIF |
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Headphone Jack |
32ohm (30Mw) > 8ohm |
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LCD Display |
7” active-matrix TFT type |
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Audio / Video Section |
Audio input/output x1 |
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Video input/output x1 |
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S-Video / P-scan output x1 (option) |
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TV-tuner input x1 (option) |
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Audio Section |
Digital Output: Coaxial x1 |
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Headphone Jack |
Headphone Jack x2 |
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Line Voltage |
AC 100-240 VAC ± 10%(50/60Hz), (Adapter) |
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Power Consumption |
15W |
(12V, 1.25A) |
Remote Control |
DC 3V |
Infra-red |
Dimensions |
212mm(L) x 158mm(W) x 29.8mm(H) |
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Weight |
850 g (around) |
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Accessories |
Slim Size Remote Controller with 3V Battery |
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12-volt Car Cigarette Lighter Cable |
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Universal AC/DC Power Adapter |
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Audio Cable / Video Cable |
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Rechargeable Battery Pack |
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S-video / P-scan cable (option) |
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- 2 -
2 Electrical Characteristics
2.1 Optical Characteristics
Parameter |
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Specifications |
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Screen Size |
7.0 (16:9 diagonal) |
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Display Format |
1400 (H) 234 (V) |
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Active Area |
154.08 (H) 87.05 (V) |
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Dot Pitch |
0.107 (H) 0.372 (V) |
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Pixel Configuration |
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Stripe |
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Outline Dimension |
166.0 (W) |
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100.0 (H) |
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7.2 (D)(typ.) |
mm |
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Surface Treatment |
Anti-Glare and Hard Coating |
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Weight |
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180 ± 10 |
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g |
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2.2 Electrical Characteristics
DVD/ SVCD/ VCD/ CD system decoding, packeted element streams and audio, video element streams.
Fully digital servo processing (focusing, tracking, sledge and spindle servo control)
Fully digital calibration (focusing/ tracking offset and balance)
Digital phase lock loop with phase equalizer
Support Audio/ Video/ Photograph decoding and programming
TV signal encoding, interlace and progressive scan operation
Programmable Y/C delay relationship
Embedded micro-controller, up to 50MHz operating frequency
Built in PLL to allow a single 27 MHz clock source input
1.8V and 3.3V dual power supply, 208 pin PQFP
- 3 -
2.3 System Block Diagram
RF Amp |
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RF_SDEN |
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RF_SCK |
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RF_SDA |
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LDON |
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MIRR |
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LEI |
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FEI |
FOCUS- |
TEI |
FOCUS+ |
SBAD |
TRACK- |
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TRACK+ |
RFO |
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MVREF |
RF_AMP |
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MOTOR |
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MVREF |
TRACK+ |
HOMESW |
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TRACK- |
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FOCUS+ |
SSPDON |
FOCUS- |
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SSLED |
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SFOCUS |
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STRACK |
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SMOTOR |
MOTOR |
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RF_SDEN
RF_SCK TUNER_CL RF_SDA TUNER_DI
LDON
MIRR
LEI
FEI
TEI
SBAD
RFO
HOMESW
SSPDON
SSLEG
SFOCUS
STRACK
SMOTOR
DVD Servo & Decoder
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PCMSD0 |
Audio DAC |
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MUTEA |
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A/V OUTPUT |
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RF_SDEN |
PCMSD0 |
PCMSD0 |
MUTEA |
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MUTEA |
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RF_SCK |
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AV_Switcher |
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RF_SDA |
PCMCLK |
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PCMCLK |
PCMCLK |
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PCMWS |
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LDON |
PCMWS |
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PCMWS |
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AOR-1 |
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AOR-1(TV) |
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ACLK |
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ACLK |
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ACLK |
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AOL-1 |
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AOL-1(TV) |
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MIRR |
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ADAC_SCK |
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AOR |
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AOR |
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ADAC_SCK |
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ADAC_SCK |
AOL |
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AOL |
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ADAC_SDA |
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LEI |
ADAC_SDA |
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ADAC_SDA |
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AOR-2 |
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AOR-2(PHONE) |
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ADAC_CS0 |
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FEI |
ADAC_CS0 |
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ADAC_CS0 |
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AOL-2 |
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AOL-2(PHONE) |
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TEI |
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SBAD |
RESET |
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RESET |
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RFO |
PSCAN |
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AUDIO.SCH |
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PSCAN |
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PSCAN |
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SPDIF+ |
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SPDIF+ |
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SPDIF+ |
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MVREF |
Y/G/CVBS1 |
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CVBS/Y |
CVBS/Y |
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Y/G/CVBS1 |
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Cb/B/Y |
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Y |
Y |
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Cb/B/Y |
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Cr/R/C |
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C |
C |
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Cr/R/C |
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AV-SW |
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SDRAM & ROM |
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AV-SW |
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AV_OUT |
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LED |
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LED |
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LED |
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PANEL |
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IR_IRQ |
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<Value> |
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IR_IRQ |
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IR_IRQ |
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VFD_CS |
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VFD_CS |
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VFD_CS |
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VFD_SCK |
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VFD_SCK |
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VFD_SCK |
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Y |
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VFD_SDA |
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A/V INPUT |
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VFD_SDA |
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VFD_SDA |
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I2C_SCK |
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I2C_SCK |
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I2C_SCK |
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I2C_SDA |
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I2C_SDA |
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I2C_SDA |
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CVBS |
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C |
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BACK_LIGHT |
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BACK_LIGHT |
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BACK_LIGHT |
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R |
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SA[0..19] |
SA[0..19] |
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SA[0..19] |
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Speaker_R |
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SD[0..7] |
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SD[0..7] |
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SD[0..7] |
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L |
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/PSEN |
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/PSEN |
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/PSEN |
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/FWR |
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/FWR |
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/FWR |
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AV-SW |
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Speaker_L |
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HOMESW |
FLASH_RY |
FLASH_RY |
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FLASH_RY |
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/FLASH_WP |
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/FLASH_WP |
/FLASH_WP |
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<Value> |
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MA[0..11] |
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<Value> |
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MA[0..11] |
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MA[0..11] |
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BS1 |
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SSPDON |
BS1 |
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BS1 |
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POWER |
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BS0 |
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BS0 |
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BS0 |
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/SCS |
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+12V |
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/SCS |
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/SCS |
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+12V |
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/RAS |
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/RAS |
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/RAS |
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/CAS |
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+5V |
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SSLED |
/CAS |
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/CAS |
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+5V |
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/WE |
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SFOCUS |
/WE |
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/WE |
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SDCLK |
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+3.3V |
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STRACK |
SDCLK |
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SDCLK |
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+3.3V |
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DQM |
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SMOTOR |
DQM |
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DQM |
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MD[0..15] |
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+1.8V |
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MD[0..15] |
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MD[0..15] |
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+1.8V |
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/uPRST |
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/uPRST |
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/WR |
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/RESET |
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/WR |
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/WR |
/RESET |
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/RESET |
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/RD |
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/RD |
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/RD |
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SRVM |
MVREF |
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Memory |
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/uPRST |
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POWER |
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/uPRST |
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CT908
- 4 -
3 Power
3.1 Power Supply
Input voltage:
Normal voltage: 100 to 240 Vac.
Variation range: 90 to 264 Vac.
Input frequency:
Normal frequency: 50 to 60 Hz.
Variation range: 47 to 63 Hz.
Input current: 0.6 arms max. at any input voltage and max. DC output rated load.
Inrush current: 70 amps max. cold start at 240 Vaz. Input, with rated load and 25 ambient.
AC leakage current: 0.25 mA max. at 240 Vac. Input.
3.2 Rechargeable Battery
Output Voltage 8.4~6.0V
Cut-off Voltage 5.7~6.0V
Charge voltage The battery pack should be charged when the input voltage is from11V to 15V
Charger a.) Mustek 12V/1.25A adaptor.
b.) Mustek 12V/1.25A adaptor and Portable DVD
LED is in red color when the battery pack is in charging; and turns into green color when batter pack is full.
If the battery pack is in Full status, no matter use adaptor charge directly or link DVD to charge again, the LED must be turn into green color in 15 min.
The cycle life of battery pack has more than 300 cycles.
Charge: The battery pack must be able to charge when used the Mustek 12V/1.25A adaptor or Mustek 12V/1.25A adaptor and portable DVD (power off status).
Discharge: Using the battery pack as the power source for portable DVD that in DVD disc playing mode, the discharging time must be exceed 2.7hrs.
4.2.1Electrical Protection
The battery pack shall be capable of withstanding a continuous short circuit output
-5 -
without damage.
The battery pack shall return to normal operation only after the fault has been removed.
A thermal fuse must be added on the surface of cell body to protect the battery pack.
A polyswitch must be add to protect the battery pack.
Charge & Play Time of Battery Pack
Charge Time |
DVD Title |
Styling |
(hr) |
Play Time (hr) |
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NiMH 3800mAh |
3.5 |
2.5 |
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(6S1P) |
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For DPC-7100 Series
- 6 -
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