Daewoo DPC-7600, DPC-8600 Service Manual

S/M No.：SM20101A

p

Service Manual

Portable DVD Player

Model Name：DPC-7600

DPC-8600

Certain specifications in this service manual are subject to change without notice to im

rove quality and function.

Jun. 2006

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1 General Descriptions

1.1 Model Features

z Tablet display and portable DVD player z Video: DVD, VCD, Kodak picture CD, JPEG readable z Audio: CD, CD-R, CD-RW, MP3 z 7” ,8” active-matrix TFT LCD panel with wide-screen aspect ratio z Credit-card-size wireless remote control z Rechargeable battery pack z 12-volt car cigarette lighter cable z Universal AC/DC power adapter z Dolby digital output z Audio / Video output connection z Built-in stereo speakers z Built-in stereo headphone jack

z Support DivX format decoding（Option）

z Built-in SD / MMC memory card reader interface（Option）

z Integrated USB v1.1 host controller（Option） z Support Digital Photo Frame

z Progressive Scan video output z Portable DVD carry bag and car harness (option)

- 1 -

1.2 Information

Disk Format

DVD, VCD, CD, CD-R, CD-RW, MP3, Kodak

Picture CD

Video : Video System

NTSC / PAL

Video Decompression MPEG-4, MPEG-2, MPEG-1

Video Output

1.0 Vpp / 75Ω Sync , minus

Audio :

Audio Characteristic 2 – Channel Analog

5.1 – Channel digital output Analog Output Frequency Response

2.0 V / 10KΩ

DVD : 48 KHz sampling : 4Hz ～ 22 KHz 96 KHz Sampling : 4Hz ～ 44 KHz

CD : 4Hz ～ 20KHz S / N ratio < = - 65 dB Dynamic Range < = - 85 dB Distortion < = 0.01 % Digital Output SPDIF Speaker Stereo speakers, 0.5W x 2 Headphone Jack

LCD Display 7", 8” wide-screen active-matrix TFT type Terminal :

Headphone Headphone Jack Audio / Video Section Audio output jack x1

Video output jack x1 P-scan output x1 Coaxial output jack x1 SD/ MMC memory card reader (option) x1 USB host (option) x1

Power Adaptor : Line Voltage

AC 100 - 240 VAC ± 10% (50/60Hz) Adapter

Power Consumption 15W Remote Control DC 3V , Infra – red

Dimension 210 x 155 x 43.2 (mm) Weight 740g (around)

- 2 -

Accessories

¾ Remote Controller with 3V

Battery

¾ 12-volt Car Cigarette

Lighter Cable

¾ Audio / Video signal cable ¾ P-scan cable (option)

¾ Rechargeable Battery Pack ¾ Universal AC/DC Power Adapter ¾ Carry bag and car harness (option)

- 3 -

2 Electrical Characteristics

2.1 Optical Characteristics

Parameter Specifications Unit

Screen Size 7” (16:9) / 8” (16:9) inch

Display Format 154.08 (H) x 86.58 (V) / 180.72 (H) x 94.27(V) dot

Dot Pitch 0.321 (H) x 0.37 (V) / 0.378 (H) x 0.429 (V) mm

Outline Dimension

Surface Treatment Anti-Glare / Anti-Glare

Weight

164.9 (W) x 100.0 (H) x 5.7 (D)(typ.) /

193.0 (W) x 108.3 (H) x 6.7 (D)(typ.)

160（Max）/ 198 +- 3

mm

g

2.2 Electrical Characteristics

z DVD/ SVCD/ VCD/ CD/ SD Card/ MMC Card system decoding, packeted element streams

and audio, video element streams.

z Fully digital servo processing (focusing, tracking, sledge and spindle servo control) z Fully digital calibration (focusing/ tracking offset and balance) z Digital phase lock loop with phase equalizer z Support Audio/ Video/ Photograph decoding and programming z TV signal encoding, interlace and progressive scan operation z Embedded micro-controller, up to 50MHz operating frequency z Built in PLL to allow a single 27 MHz clock source input z 1.8V and 3.3V dual power supply, 256 pin PQFP

- 4 -

2.3 System Block Diagram

- 5 -

3 Power

3.1 Power Supply

z Input voltage:

Normal voltage: 100 to 240 Vac. Variation range: 90 to 264 Vac.

z Input frequency:

Normal frequency: 50 to 60 Hz. Variation range: 47 to 63 Hz.

z Input current: 0.6 arms max. at any input voltage and max. DC output rated load. z Inrush current: 70 amps max. cold start at 240 Vaz. Input, with rated load and 25℃ ambient.

z AC leakage current: 0.25 mA max. at 240 Vac. Input.

3.2 Rechargeable Battery

z Output Voltage：7.2~6.0V z Cut-off Voltage：5.7~6.0V z Charge voltage：The battery pack should be charged when the input voltage is from11V to 15V z Charger：a.) 12V/1.25A adaptor.

b.) 12V/1.25A adaptor and Portable DVD

z LED is in red color when the battery pack is in charging; and turns off LED when batter pack

is full.

z 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 off LED in 15 min.

z The cycle life of battery pack has more than 300 cycles. z Charge: The battery pack must be able to charge when used the 12V/1.25A adaptor or

12V/1.25A adaptor and portable DVD (power off status).

z Discharge: Using the battery pack as the power source for portable DVD that in DVD disc

playing mode, the discharging time must be exceed 2.5hrs.

3.2.1 Electrical Protection

z The battery pack shall be capable of withstanding a continuous short circuit output

without damage.

- 6 -

z The battery pack shall return to normal operation only after the fault has been removed. z A thermal fuse must be added on the surface of cell body to protect the battery pack. z A polyswitch must be added to protect the battery pack.

z Charge & Play Time of Battery Pack

Charge Time

(hr)

DVD Title

Play Time (hr)

NiMH 3100mAh 4.0 2.5

- 7 -