Akai ADP-841 Service Manual Download Page 1 | Manualshive

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Akai ADP-841 Service Manual Download Page 1

www.akai.ru

Models:

ADP-841

ADP-841M

PORTABLE DVD

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Summary of Contents for ADP-841

Page 1: ...www akai ru Models ADP 841 ADP 841M PORTABLE DVD...

Page 2: ...Manual 1 The System Block Diagram the Block s Function Description 2 Schematic Circuit Diagram 3 Interconnection Diagram 4 Critical Commpoents List 5 IC Date Sheet IC Description 6 Service Tools and E...

Page 3: ...Diagram the Block s Function Description DVD System Block 2 Schematic Circuit Diagram DC to DC MP1410 1 Mech DM 12 pick up DD30 2 Servo MPEG MT1389DE B DISPLAY 8 4 TFT LCD INVERTER TFT LCD driver IR3...

Page 4: ...0 1uF R111 10KF L104 6 8uH C112 0 01uF CON9 TH8AW 5 4 3 2 1 6 7 8 5 4 3 2 1 6 7 8 C115 180pF U11 MP1410ES 1 2 3 4 8 7 6 5 BS Vin Vsw GND Sync EN Comp FB C103 0 01uF D11 B230A 1 2 C110 220uF 6 3V C109...

Page 5: ...1 8 4 D25 1N5819 1 2 C259 0 1uF C233 0 1uF Q23 3906 1 2 3 U21 NCP1117open 3 1 2 IN GND OUT R222 0R U24 AMS1117 ADJ 3 2 1 4 VIN VOUT ADJ VOUT R227 560RF R225 4 7K C246 10uopen C263 0 1uF C256 100uF 6 3...

Page 6: ...47uF 10V C333 0 1uF F308 FB C369 0 1uF R313 560R C332 0 1uF C305 10uF 6 3V C335 0 033uF C374 0 1uF C375 0 1uF R355 330R R706 R R327 4R7 C396 0 1uF R713 15K C707 0 1uF U72 ADM869L 1 4 5 12 16 7 8 9 10...

Page 7: ...410 33R R412 33R R407 10K R404 680R C403 0 1uF C405 0 1uF C409 0 1uF U41 ESMT M12L64164A 1 2 4 12 5 7 9 8 10 46 11 13 15 16 17 18 19 35 22 23 24 25 26 14 41 29 30 31 32 33 34 36 37 38 39 40 43 42 44 5...

Page 8: ...1 1K C531 0 47uF R518 560R J3 ST 006C 050 300 5 4 2 3 1 GND GND AUDIOL AUDIOR AUDIOL J8 ST 212C 050 100 2 3 4 1 5 6 7 F501 R701 10R 0805 C521 0 1uF Q57 9014 1 2 3 U66 F_TB3GA4 5Z 1 2 3 4 5 6 7 8 2 3 4...

Page 9: ...GND HGND 5V 5V GND SVIDEO_C SVIDEO_Y GND TIMD1 TIMD2 INT EXT PAL NTSC SCL SDA C617 22pF L711 22uH PIO54 M8 MARK 1 1 C611 22pF C603 330pF C601 270pF R608 75R R609 75R C608 22pF C615 100pF J5 ST 013 8 2...

Page 10: ...B N I G N I R 1 C C V J D A F P M A L C R E T L I F C G A T U O C G A E R U T C I P V 6 1 U 0 1 9 A C Z H M 9 1 6 3 3 4 4 1 Y 1 2 C u 1 0 1 P J W A 0 2 H T 2 1 1 1 0 1 7 5 4 3 3 1 9 2 4 1 5 1 6 1 7 1...

Page 11: ...F F O G V C N H G V C N 1 V T S 2 V T S V P C R L G 3 E O 2 E O 1 E O M O C V 1 H T S D N G R G B D N G C C V 1 H P C 2 H P C 3 H P C V 0 5 R L S C N H E O 2 H T S GND GND R 0 5 8 R 1 0 1 C U 1 0 1 1...

Page 12: ...Singing Appellation MPS1410 IC MX29LV800 IC TPA6011 IC MT1389DE B IC FN5331 IC AT5654 IC MC33202 IC IR3Y29BM IC PVI 1004B C IC...

Page 13: ...ltage To prevent current limit run away during a short circuit fault condition the frequency foldback comparator lowers the oscillation frequency when the FB voltage is below 650mV COMP Pin 6 Compensa...

Page 14: ...put AC coupled input path A 3 DVDB Analog Input AC coupled input path B 4 DVDC Analog Input AC coupled input path C 5 DVDD Analog Input AC coupled input path D 6 DVDRFIP Analog Input AC coupled DVD RF...

Page 15: ...5 CSO RFOP Analog output 1 Central servo 2 Positive main beam summing output 26 RFLVL RFON Analog output 1 RFRP low pass or 2 Negative main beam summing output 27 SGND Ground Analog ground 31 FEO Anal...

Page 16: ...PW M Analog Output Tray PWM output Tray open output 40 PWMOUT1 V_ADIN9 Analog Output 1 1st General PWM output or 2 Version AD input 9 41 TRO Analog Output Tracking servo output PDM output of tracking...

Page 17: ...ddress 12 70 HIGHA5 Inout 2 16MA SR PU Microcontroller address 13 69 HIGHA6 Inout 2 16MA SR PU Microcontroller address 14 68 HIGHA7 Inout 2 16MA SR PU Microcontroller address 15 91 AD7 Inout 2 16MA SR...

Page 18: ...ut 2 16MA SR PU Microcontroller address 6 IO 58 IOA7 Inout 2 16MA SR PU Microcontroller address 7 IO 67 A16 Output 2 16MA SR Flash address 16 92 A17 Output 2 16MA SR Flash address 17 60 IOA18 Inout 2...

Page 19: ...1 4 101 UP1_5 Inout 4MA SR PU SMT Microcontroller port 1 5 102 UP1_6 SCL Inout 4MA SR PU SMT 1 Microcontroller port 1 6 2 I2 C clock pin 103 UP1_7 SDA Inout 4MA SR PU SMT 1 Microcontroller port 1 7 2...

Page 20: ...5 part I DSD data sub woofer channel or Microphone output III GPIO 213 ALRCK Inout 4MA PD SMT 1 Audio left right channel clock 2 Trap value in power on reset I 1 use external 373 II 0 use internal 37...

Page 21: ...ne I Microcontroller external interrupt 2 II GPIO 225 SPDIF Output 2 16MA SR ON OFF SPDIF output Video Interface 18 189 DACVDDC Power 3 3V power pin for VIDEO DAC circuitry 190 VREF Analog Bandgap ref...

Page 22: ...roller external interrupt 3 II Audio serial data 5 part II DSD data sub woofer channel or Microphone output III GPIO 207 HSYN INT4 V_ADIN2 Inout 4MA SR SMT 1 Horizontal sync input output 2 While no Ex...

Page 23: ...ing DRAM size 4MB I GPIO 157 CKE output DRAM clock enable 156 RCLK Inout Dram clock 154 NC 153 NC 151 RA3 Inout DRAM address 3 150 RA2 Inout DRAM address 2 149 RA1 Inout DRAM address 1 147 RA0 Inout D...

Page 24: ...IN6 Inout 1 Serial interface port 3 clock pin 2 Version AD input port 6 3 GPIO 51 TDO V_ADIN7 Inout 1 Serial interface port 3 chip select 2 Version AD input port 7 3 GPIO Note 1 The Main column is the...

Page 25: ...IR3Y29BM Pin Description...

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Page 32: ...7 2 28 A 9 2F 8 2F 2 9 2 2 2 3 D 9 9D0 2 D 9D0 7 2 D 7 2 B 2F 2 3 D A B F 8 2 A 9 F D 9 2 8 2 F D 2 2 9 F D9 2F 9 9 F D2 9 2F 99 D 9 2 92 F DD 2 2 9 9 F D 2 9D F F DB 2 9 F DA 9B F F D8 9A F F 9 F F...

Page 33: ...9 G H H 7 G H3H 9 G H H D 7 G H3H 9 G H H 7 G H3H 9 G H H B 7 G H3H 9 G H H A 8 8 9 A GH3H 9 GH H 2 7 9 GH3H 9 G H 7 7 G H3H 9 G H H D 7 7 G H3H 9 G H H 3 D 2 2 2 B 9 A 9 9 2 8 2 3 3 3 3 I 3 I 9 3 3 3...

Page 34: ...9 8 AD B 3 A A 3 9 AB 8 3 3 2 AA B 9D F F G H3H D 9 F G H H A 9 7 GH3H 9 GH H 9B F J G H3H F G H3H J 9 F G H H J 9A F 9 2 F G H3H 9 F G H H 98 F F G H3H D3 9 F G H H D3 2 2 2 2 2 29 9 9 2 22 3 3 3 3 3...

Page 35: ...2A B 92A 9 9 9 D A 928 2 2 2 8 9 9 28 9 B G H3H 9 9 G H H 9 B G H3H 9 G H H 9 2 3 D 2 2 2 D B A 8 L D 9 L9 G H3H 9 9 G H H 9 D 2 L2 G H3H 2 9 G H H 2 D9 A G H3H 9 G H H D2 9 A G H3H 9 9 G H H 9 D 9 GH...

Page 36: ...9 F G H3H 9 9 F G H H F F G H3H 9 F G H H 9 7 G H3H A 9 G H H 2 7 G H3H B 9 G H H 7 G H3H 9 G H H 9 2 D 7 D 2 2 7 2 2 D B 7 G H3H 9 9 2 2 D 92A 928 9 9 2 9 9 G H H 9 9 2 2 D 92A 928 9 9 2 9 A 7 G H3H...

Page 37: ...bles Adjust TV Monitor Searing iron Antistatic wrist strap Grounding for electrostatic breakdown Conductive material steel sheet 6 2 Storing and Handling Test Discs It is important for a DVD testing d...

Page 38: ...90 percent area Do not place in an area with a lot of dust Keep away from direct sunlight domestic heating equipment Do not fall any objects into the unit Care should be taken so that liquids are not...

Page 39: ...ny other units producing heat Condensation Lens could be moistening in these cases Turn on heater shortly In a very wet room Move the player from a cold environment to a heat environment quickly Being...

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