Akai A-211 Service Manual
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Akai A-211 Service Manual

Akai A-211 Service Manual

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DVD PLAYER
Model:
A1211
SERVICE MANUAL
www.akai.ru

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Summary of Contents for Akai A-211

  • Page 1 DVD PLAYER Model: A1211 SERVICE MANUAL www.akai.ru...

  • Page 2: Table Of Contents

    ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ 1. CONTENTS Page Title 1. CONTERTS 2. BLOCK DIAGRAM (CABLE CONNECTIONS) 3. POWER SUPPLY 4. FUNCTIONAL DESCRITPIONS 4.1 DVD MPEG board 4.2 Front Panel 4.3 SMPS 4.4 DVD Driver 5. DESCRIPTION OF THE INTEGRATED CIRCUITS 5.1 SWPS TRANSFORMER 5.2 SWPS CONTROLLER IC (TEA1523P) 5.3 SWPS PROGAMMABLE SHUNT RE GULATOR (FAIRCHILD TL 431) 5.4 LINE FILTER(2 x 25mH)

  • Page 3: Block Diagram (Cable Connections)

    ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ 2. BLOCK DIAGRAM (CABLE CONNECTIONS) ２...

  • Page 4: Power Supply

    ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ 3. POWER SUPPLY ３...

  • Page 5: Functional Descritpions

    ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ 4. FUNCTIONAL DESCRIPTIONS 4.1 DVD MPEG board 4M FLASH SERIAL EPROM CVBS AUD2 SPCA8200A Cntr/LFE AUD1 CHANNEL Rear L/R SDRAM AUD0 AUDIO Rear L/R CODEC DVD-DSP CD-DSP SPDIF This board implements the back-end circuitry of a DVD player. It is composed of the following subsystems: * Microcontroller which does main control to all other sub-blocks of the system including user interface, driver interface, audio/video output.
  • Page 6 ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ ５...
  • Page 7 ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ ６...
  • Page 8 ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ ７...
  • Page 9 ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ ８...
  • Page 10 ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ 　９...
  • Page 11 ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ １０...
  • Page 12 ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ １１...
  • Page 13 ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ １２...
  • Page 14 ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ １３...

  • Page 15: Front Panel

    ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ 4.2 Front Panel The front panel I/O. １４...

  • Page 16: Smps

    ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ 4.2.1 Front Panel Interface 6 Pin, Data Connector Pin Assignments NAME DESCRIPTION Front Panel Data input DATA IR sensor interrupt Front Panel chip select Front Panel clock Front Panel Data output 4.3 SMPS The mains power(220VAC) fed from N1 is filtered through C1, L1, C2 and L2 then rectified by D1, D2, D3 and D4 and generates an output at 300VDC.
  • Page 17 ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ act lens 4.3.1 Adopt small l ens: can adopt £º SONY310 . Electric specification .4.1 Drive cell:adopt RF-300CA-11450 electricity machine 4.2 Electricity machine work voltage is 3V-5.9V 4.3 General work voltage is 3.3V-5V 4.4 Unilateralism(com or go) move time:<1.5S(add 5V voltage) 4.5 In 5 C-10 C work current is <120mA 4.5 Testing condition 5.1 Position: level placed...

  • Page 18: Description Of The Integrated Circuits

    ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ 5. DESCRIPTION OF THE INTEGRATED CIRCUITS 5.1 SMPS TRANSFORMER 1. GENERAL INFORMATION Main Voltage Operations: 90Vac - 265 Vac Main Drop-out Voltage: Max. 90 Vac Mains STart-up Voltage: Max. 90 Vac Operating Frequency: 60 KHz 2. ELECTRICAL CHARACTERISTICS 2.1 STATIC CHARACTERISTICS WINDING PIN.

  • Page 19: Swps Controller Ic (Tea1523P)

    ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ 5.3 SWPS CONTROLLER IC (TEP1523A) １９...
  • Page 20 ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ 5.3 SWPS CONTROLLER IC (TEP1523A) ２０...
  • Page 21 ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ 5.4 SMPS PROGRAMMABLE SHUNT REGULATOR (FAIRCHILD TL 431) Description Features * Programmable output voltage to 36volts The TL 431/TL 431A are three-terminal * Low dynamic output impedance 0.20 typical adjustable regulator series with a guaranteed * Sink current capability of 1.0 to 100mA thermal stability over applicable temperature * Equivalent full-range temperature ranges.

  • Page 22: Line Filter(2 X 25Mh)

    ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ 5.5 LINE FILTER (2 X 25mH) ELECTRICAL DATA Inductance: L1-2=L3-4-30mH - 15% - +20% Resistance: R 1-2 = R 3-4 = 1.0 ohm (max) CIRCUIT DIAGRAM Rated current: Irms = 0.50 A (F= 1 Khz V= 1 Vms) LEAKAGE INDUCTANCE L 1-2 = L 3-4 100+/- 20%uH NOTES...

  • Page 23: Fault Tracing Flow Chart

    ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ 6. FAULT TRACING FLOW CHART 6.1 POWER SUPPLY NO PICTURE CHECK JP4 Connector Voltages Present? CHECK MPEG BOARD Voltages Present? CHECK FUSE REPLACE CONNECT CABLE CHECK Dp02 MPEG BOARD REPLACE Ip02, REPLACE POWER PCB REPLACE FUSE ２３...

  • Page 24: Front Panel

    ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ 6.2 FRONT PANEL NO PICTURE NO FRONT PANEL DISP POWER CHECK BOARD (5V) CN VOLTAGE CHECK MAINBOARD Cn4 PIN2: RC NO SIGNAL REPLACE DATA PRESS ANY KEY RECEIVER ON RC AND OBSERVE SIGNAL PRESS "OPEN/CLOSE" ON RC REPLACE MPEG2 MAINBOARD ２４...

  • Page 25: Mpeg Board

    ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ 6.3 MPEG BOARD NO PICTURE NO AUDIO CHECK POWER INSERT A CD FOR BOARD AUDIO TEST AND VOLTAGE(5V,12V)? PRESS PLAY CHECK REPLACE LOADER MPEG RUNING? BOARD CHECK CN6 AUDIO OUTPUT J3(RGB&CVBS RUNING?) ２５...

  • Page 26: Component List

    ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ 7. COMPONENT LIST ＣＡＢＬＥ ＰＯＳ　 ＮＯ ＴＥＬＲＡ　 Ｃ ＯＤＥ ＤＥＳＣＲＩＰＴＩＯＮ 6Pin,2.0mmPitch to 6Pin,2.0mmPitch VH,180mm,UL2468 26AWG 5Pin,2.0mmPitch to 5Pin,2.0mmPitch PH,150mm,UL2468 26AWG 6Pin,2.54mmPitch to 6Pin,2.54mmPitch VH,250mm,UL2468 26AWG 5Pin,2.54mmPitch,VH to MPEG Power Socket,280mm,UL1007 20AWG Power Cable,180m,VDE AV Cable,1.5m ＳＷＰＳ ＰＯＳ　 ＮＯ ＴＥＬＲＡ　 Ｃ ＯＤＥ ＤＥＳＣＲＩＰＴＩＯＮ...
  • Page 27 ＤＶＤ　Ｓｅｒｖｉｃｅ　Ｍａｎｕａｌ ＰＯＳ　 ＮＯ ＴＥＬＲＡ　 Ｃ ＯＤＥ ＤＥＳＣＲＩＰＴＩＯＮ Filter,ET20 Filter,SG01183 Radial Choke Inductor,15uH 10% Radial Choke Inductor,15uH 10% Radial Choke Inductor,15uH 10% Conn.,2Pin,VH,3.96mm,S Conn.,2Pin,VH,3.96mm,S C0N1 Conn.,5Pin,2.54mm,S CON2 Conn.,6Pin,2.54mm,S Conn.,4Pin,2.54mm,S PCB,POW389L Carbon Film Res.,2W-56K,J Carbon Film Res.,1/4W-22E,J Carbon Film Res.,1/4W-330E,J Carbon Film Res.,1/4W-1K,J Carbon Film Res.,1/4W-1M,J Carbon Film Res.,1/4W-10K,J Carbon Film Res.,1/4W-10K,J...

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