Daewoo DPC-7909 Series Service Manual Download Page 33

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Summary of Contents for DPC-7909 Series

Page 1: ...nual for Portable DVD DPC 7909 Series Name of Company SANYO ELECTRONICS CORP Approved by SIGNATURE DATE APPROVED BY DATE REVIEWED BY PREPARED BY Elliott Chang Please return 1 copy for our confirmation with your signature and comments ...

Page 2: ...cordν ν ν ν Date Rev No Section Description 17 May 2007 0 1 New edition Design and specifications are subject to change without notice All trademarks used in the specifications are the property of their respective owners ...

Page 4: ...ctive matrix TFT screen 16 9 wide aspect ratio z Composite Video Output z Ultra dimension light weight 235mm L x 163mm W x 30mm H 700g around z Slim size wireless remote control z Rechargeable battery pack z 12 volt car cigarette lighter cable z Universal AC DC power adapter z Audio video cable for TV connection z Built in stereo speakers z Two Stereo headphone jack z Parental Lock Anti Shock Prot...

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Page 6: ...H Ø 5 7 D typ mm Surface Treatment Anti Glare Weight 164 g 2 2 Electrical Characteristics z DVD SVCD VCD CD 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 P...

Page 7: ... 4 2 3 System Block Diagram 2 3 1 The System Block Diagram the Block s Function Description DC To DC MP1411 Loader DM 512 DISPLAY 7 TFT LED AT070TN07 R A LED BACK LIGHT DRIVER Servo MPEG MT1389P ...

Page 8: ...8 220uF 6 3V CE8 220uF 6 3V D6 D5819 D6 D5819 1 2 R22 15K1 R22 15K1 C1 0 1uF C1 0 1uF C30 1uF C30 1uF DD2 BAT54S DD2 BAT54S 3 2 1 R1 NC R1 NC CE11 220uF 6 3V CE11 220uF 6 3V U1 FAN5331 U1 FAN5331 FB 3 GND 2 SW 1 SHDN 4 VIN 5 C27 NC 10nF C27 NC 10nF DD1 BAT54S DD1 BAT54S 3 2 1 CE10 47uF 10V CE10 47uF 10V L14 22uH L14 22uH C11 1uF C11 1uF L11 LB 6 8uH L11 LB 6 8uH CE6 220uF 6 3V CE6 220uF 6 3V R20 5...

Page 9: ...CVDDB 190 DACVSSB 189 DACVDDA 188 G 187 DACVSSA 186 B 185 R 184 HCK 183 HSTR 182 HSTL 181 HOE 180 LR 179 DVSS18 178 VOE 177 UD 176 VCK 175 DVDD18 174 VSTU 173 VSTD 172 GPIO100 171 DVDD33 170 GPIO101 169 GPIO103 167 GPIO102 168 SD_D3 166 SD_D2 165 SD_D1 164 MS_D3 163 MS_D2 162 MS_D1 161 DVDD18 160 MS_CLK 159 MS_BS 158 DVDD33 156 MS_D0 157 RA4 155 RA5 154 RA6 153 RA7 152 RA8 151 RA9 150 DVSS33 148 R...

Page 10: ...S 19 A11 35 A10 AP 22 A0 23 A1 24 A2 25 A3 26 VCC 14 VSS 41 A4 29 A5 30 A6 31 A7 32 A8 33 A9 34 NC 36 CKE 37 CLK 38 DQMH 39 NC 40 VCCQ 43 DQ8 42 DQ9 44 VSSQ 52 DQ10 45 DQ11 47 VCCQ 49 DQ12 48 DQ13 50 DQ14 51 DQ15 53 VSS 54 BA0 A13 20 BA1 A12 21 VCCQ 3 VSSQ 6 VCC 27 VSS 28 R94 33R R94 33R C78 0 1uF C78 0 1uF R95 33R R95 33R R92 1k R92 1k R88 0R R88 0R L32 FB L32 FB C77 0 1uF C77 0 1uF C80 0 1uF C80...

Page 11: ...uF C135 10uF C135 10uF R200 100k R200 100k R119 27R R119 27R L45 10uH L45 10uH C154 10uF C154 10uF R201 160 1 R201 160 1 C163 100pF C163 100pF CB42 0 1uF CB42 0 1uF Q17 3904 Q17 3904 1 2 3 C159 100pF C159 100pF C165 1 5pF C165 1 5pF R209 270R R209 270R R204 10K R204 10K L44 FB NC L44 FB NC R196 0R R196 0R C172 0 1uF C172 0 1uF C138 15pF C138 15pF R220 10K R220 10K R203 160 1 R203 160 1 L50 10uH L5...

Page 12: ...40 27k R140 27k R116 4 7K R116 4 7K R99 20K R99 20K Q16 9014 Q16 9014 1 2 3 R139 4 7K R139 4 7K L35 47uH L35 47uH C104 0 1uF C104 0 1uF CE49 10uF 6 3V CE49 10uF 6 3V C105 100pF C105 100pF R148 100R R148 100R R118 47K R118 47K Q14 9014 Q14 9014 1 2 3 Q13 8550 Q13 8550 1 2 3 CE38 10uF 6 3V CE38 10uF 6 3V R135 30K R135 30K R157 1K R157 1K R110 10K R110 10K R134 4 7R R134 4 7R CE47 10uF 6 3V CE47 10uF...

Page 13: ...er pack is full LED is in orange when the battery pack is in charging and DPC 7909 turns on 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 into green color 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 Hiteker DC9V 2A adaptor or Hiteke...

Page 14: ...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 add to protect the battery pack z Charge Play Time of Battery Pack Charge Time hr DVD Title Play Time hr Styling L Li 2200mAh 6 7 3 For DPC 7909 Series ...

Page 15: ...sical Characteristics 4 1 Outline Dimension z 235mm W x 163mm H x 30mm D 4 2 Physical Characteristics ǃ 6FUHHQ ǃ6SHDNHUV ǃ6HWXS XWWRQ ǃ79 0RGH XWWRQ ǃ LUHFWLRQ XWWRQ ǃ QWHU 3OD 3DXVH XWWRQ ǃ35 XWWRQ ǃ1 7 XWWRQ ǃ2SHQ XWWRQ ...

Page 16: ...4 3 Exploded View 13 4 3 Exploded View ...

Page 17: ... 14 5 Regulatory Standards 5 1 Safety z UL z FDA 5 2 EMI z CE z FCC 5 3 Ergonomics z Dolby ...

Page 18: ...V Cables Adjust TV Monitor Searing iron Antistatic wrist strap Groundingfor electrostaticbreakdown Conductive material steel sheet 6 2 Storing and Handling Test Discs It is important for a DVD testing disc keeping its surface precise Please care for storing and using it 1 Do not place the disc on worktable directly after using 2 Do not store discs in places subject to direct sunlight or near heat ...

Page 19: ...rea Ɣ Do not place in an area with a lot of dust Ɣ Keep away from direct sunlight domestic heating equipment Ŷ Do not fall any objects into the unit Ɣ Care should be taken so that liquids are not spilled into the unit openings Such situations could result in fire or electrical shock Ɣ Keep the DVD video player away from any magnetic articles such as speaker etc Ŷ Superposition Ɣ Please place the D...

Page 20: ... units producing heat Ŷ Condensation Lens could be moistening in these cases Ɣ Turn on heater shortly Ɣ In a very wet room Ɣ Move the player from a cold environment to a heat environment quickly Being moisture inside the play could operate normally Please turn on power and wait about an hour for drying the moisture ...

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Page 24: ... panel Check to see if IR1 has short circuit broken circuit hollow soldering or other problems Also check if the pins 1 of IR1 have power B If the above actions are not working replace the Main Board z T05ΕSystem stays in the Run In condition after power on can t be tested 9 Main Board A The same refer to T03 B If the above actions are not working replace the Main Board z T06ΕSystem down at power ...

Page 25: ...ΕAbnormal sound in the system Power on abnormal sound 9 DVD ROM A Checktheloadertoseeifitisthesourceoftheabnormalsound Ifso replacetheloader B If the abnormal sound comes from the audio speakers check the audion z T10ΕCan t read the disc NO DISC 9 Main Board A Remove the top cover check the 24 pin flat cable in the system to see if they are correctly plugged to the fixed positions or re plug them ...

Page 26: ...ork 9 Main Board A Remove the top cover check the 24 pin flat cable and the 4 pin cable in the system to see if they are correctly plugged to the fixed positions or re plug them B Check the resistors or capacitors adjacent to IC U7 to see if there is any hollow soldering cold soldering wrong part or misplaced soldering C If the above actions are not working replace the loader If it is still not wo...

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