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
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1.1 Model Features.......................................................................................... 1
1.2 Information................................................................................................ 2
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2.1 Optical Characteristics ............................................................................. 3
2.2 Electrical Characteristics ......................................................................... 3
2.3 System Block Diagram ............................................................................. 4
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3.1 Power Supply............................................................................................. 5
3.2 Rechargeable Battery ............................................................................... 5
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4.1 Outline Dimension..................................................................................... 7
4.2 Physical Characteristics ........................................................................... 7
4.3 IM Drawing ............................................................................................... 8
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5.1 Safety ........................................................................................................ 12
5.2 EMI........................................................................................................... 12
5.3 Ergonomics .............................................................................................. 12
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6.1 Error Code Table..................................................................................... 13
6.2 Debug & Trouble Shooting..................................................................... 14
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3
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),
WMA (OPTION)
Video System NTSC / PAL
Video Decompression MPEG-2 (ISO/IEC-13818), MPEG-1
Video Output 1.0Vpp/75 ohm Sync, minus
Audio Characteristic 2-Channel Analog, 5.1-Channel Digital Output
Analog Output 2.0V/10k ohm
Frequency Response DVD: 48kHz Sampling: 4Hz-22kHz; 96kHz Sampling: 4Hz-44kHz
CD: 4Hz-20kHz
S/N Ratio <= -65dB
Dynamic Range <= -85dB
Distortion <= 0.01%
Digital Output SPDIF
Headphone Jack 32ohm (30Mw) > 8ohm
LCD Display 7” active-matrix TFT type
Audio / Video Section Audio input/output x1
Video input/output x1
S-Video / P-scan output x1 (option)
TV-tuner input x1 (option)
Audio Section Digital Output: Coaxial x1
Headphone Jack Headphone Jack x2
Line Voltage
AC 100-240 VAC ± 10%(50/60Hz), (Adapter)
Power Consumption 15W (12V, 1.25A)
Remote Control DC 3V Infra-red
Dimensions 212mm(L) x 158mm(W) x 29.8mm(H)
Weight 850 g (around)
Accessories Slim Size Remote Controller with 3V Battery
12-volt Car Cigarette Lighter Cable
Universal AC/DC Power Adapter
Audio Cable / Video Cable
Rechargeable Battery Pack
S-video / P-scan cable (option)
- 2 -
2 Electrical Characteristics
2.1 Optical Characteristics
Parameter Specifications Unit
Screen Size 7.0 (16:9 diagonal) inch
Display Format
Active Area
Dot Pitch
Pixel Configuration Stripe
Outline Dimension
Surface Treatment Anti-Glare and Hard Coating
Weight
166.0 (W) 100.0 (H) 7.2 (D)(typ.)
1400 (H) 234 (V)
154.08 (H) 87.05 (V)
0.107 (H) 0.372 (V)
180 ± 10
dot
mm
mm
mm
g
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
MOTOR
TRACK+
TRACK-
FOCUS+
FOCUS-
MOTOR
RF Amp
FOCUSFOCUS+
TRACKTRACK+
RF_AMP
RF_SDEN
RF_SCK
RF_SDA
MVREF
MVREF
HOMESW
SSPDON
SSLED
SFOCUS
STRACK
SMOTOR
LDON
MIRR
SBAD
RFO
DVD Servo & Decoder
RF_SDEN
RF_SCK
TUNER_CL
TUNER_DI
RF_SDA
LDON PCMWS
MIRR
LEI
LEI
FEI
FEI
TEI
TEI
SBAD
RFO
HOMESW
SSPDON
SSLEG
SFOCUS
STRACK
SMOTOR
RF_SDEN
RF_SCK
RF_SDA
LDON
MIRR
LEI
FEI
TEI
SBAD
RFO
MVREF
HOMESW
SSPDON
SSLED
SFOCUS
STRACK
SMOTOR
PCMSD0
PCMCLK
PCMWS
ACLK
ADAC_SCK
ADAC_SDA
ADAC_CS0
RESET
PSCAN
SPDIF+
Y/G/CVBS1
Cb/B/Y
Cr/R/C
AV-SW
LED
IR_IRQ
VFD_CS
VFD_SCK
VFD_SDA
I2C_SCK
I2C_SDA
BACK_LIGHT
SA[0..19]
SD[0..7]
/PSEN
/FWR
FLASH_RY
/FLASH_WP
MA[0..11]
BS1
BS0
/SCS
/RAS
/CAS
/WE
SDCLK
DQM
MD[0..15]
/WR
/uPRST
/RD
PCMSD0
PCMCLK
ACLK
ADAC_SCK
ADAC_SDA
ADAC_CS0
LED
IR_IRQ
VFD_CS
VFD_SCK
VFD_SDA
I2C_SCK
I2C_SDA
BACK_LIGHT
SA[0..19]
SD[0..7]
/PSEN
/FWR
FLASH_RY
/FLASH_WP
MA[0..11]
BS1
BS0
/SCS
/RAS
/CAS
/WE
SDCLK
DQM
MD[0..15]
/WR
/RD
/uPRST
Audio DAC
PCMSD0
PCMCLK
PCMWS
ACLK
ADAC_SCK
ADAC_SDA
ADAC_CS0
RESET
AUDIO.SCH
SDRAM & ROM
LED
IR_IRQ
VFD_CS
VFD_SCK
VFD_SDA
I2C_SCK
I2C_SDA
BACK_LIGHT
SA[0..19]
SD[0..7]
/PSEN
/FWR
FLASH_RY
/FLASH_WP
MA[0..11]
BS1
BS0
/SCS
/RAS
/CAS
/WE
SDCLK
DQM
MD[0..15]
/WR
/RD
Memory
MUTEA
AOR
/RESET
AOL
PSCAN
SPDIF+
MUTEA
AV_Switcher
AOR
AOL
CVBS/Y CVBS/Y
C C
AV-SW
<Value>
A/V INPUT
CVBS
R
L
AV-SW
<Value>
/RESET
AOR-1
AOL-1
AOR-2
AOL-2
A/V OUTPUT
MUTEA
AOR-1(TV)
AOL-1(TV)
AOR-2(PHONE)
AOL-2(PHONE)
PSCAN
SPDIF+
+12V
+5V
+3.3V
+1.8V
SRVM
Y/G/CVBS1
Cb/B/Y
Cr/R/C
AV_OUT
PANEL
Y
C
Speaker_R
Speaker_L
<Value>
POWER
+12V
+5V
+3.3V
+1.8V
/RESET
MVREF
POWER
/uPRST
/uPRST
YY
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 Voltage8.4~6.0V
Cut-off Voltage5.7~6.0V
Charge voltageThe battery pack should be charged when the input voltage is from11V to 15V
Chargera.) 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.
4.2.1 Electrical 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
NiMH 3800mAh
(6S1P)
DVD Title
(hr)
Play Time (hr)
3.5 2.5
Styling
For DPC-7100 Series
- 6 -
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