Akai A-211 Service Manual Download Page 10

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DVD Service Manual

Summary of Contents for A-211

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

Page 2: ...ESCRITPIONS 4 1 DVD MPEG board 4 2 Front Panel 4 3 SMPS 4 4 DVD Driver 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 2...

Page 3: ...2 BLOCK DIAGRAM CABLE CONNECTIONS...

Page 4: ...2 3 4 L1 FB1 CE14 470u 10V CE9 10u 50V CE8 100u 25V CE7 10u 50V CE11 220u 25V CE3 470u 10V CE6 100u 50V CE10 1000u 25V CE2 22u 50V R10 470 R17 2 2K R21 2 2K R18 680 R19 1K R15 22 R11 2 2k R9 470 R7 6...

Page 5: ...of the system including user interface driver interface audio video output Vaddis A V Decoder IC decodes the bitstream coming from the DVD front end drive and Optionally performs audio and video effec...

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Page 15: ...l A 1 2 3 4 5 6 A B C D 6 5 4 3 2 1 D C B A Title Number Revision Size B Date 26 Jun 2004 Sheet of File Drawn By R2 10K R3 10K R1 10K E1 220U 10V 6 5 4 3 2 1 1 2 S1 1 2 S2 1 2 S3 R GND 5V REMOTE REM 5...

Page 16: ...controls the ON OFF between TEA1523P pin2 and the ground In normal condition T1 primary between pin2 and pin4 will create a 50KHz square waveform which is controlled by TEA1523P this signal then fed t...

Page 17: ...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 5 2 environment temperature 22 2 C Humidity 50 5 5 3 Turnove...

Page 18: ...a voltage of 4 Kvms for 1 minute and 1 mA between primary and seconday winding and also 2 Kvms for 1 minute and 1 mA between primary winding with core and secondary winding with core The insulation re...

Page 19: ...5 3 SWPS CONTROLLER IC TEP1523A...

Page 20: ...5 3 SWPS CONTROLLER IC TEP1523A...

Page 21: ...namic output impedanceof 2 0W Active oupput circuity provides a very sharp turn on characteristic making these devices excel lent replacement for zener diodes in many applications Features Description...

Page 22: ...L1 2 L3 4 30mH 15 20 Resistance R 1 2 R 3 4 1 0 ohm max Rated current Irms 0 50 A F 1 Khz V 1 Vms L 1 2 L 3 4 100 20 uH NOTES ELECTRICAL DATA CIRCUIT DIAGRAM LEAKAGE INDUCTANCE 1 4 2 3 5 5 LINE FILTE...

Page 23: ...nector CHECK Voltages Present REPLACE Ip02 FUSE CHECK MPEG BOARD CHECK MPEG BOARD REPLACE CONNECT CABLE REPLACE POWER PCB YES YES NO NO OK NO OK Voltages Present FUSE Dp02 REPLACE 6 1 POWER SUPPLY 6 F...

Page 24: ...O PICTURE NO FRONT PANEL DISP POWER BOARD CHECK CHECK REPLACE MAINBOARD CN VOLTAGE IR 5V RECEIVER Cn4 PIN2 RC PRESS NO NO SIGNAL YES SIGNAL DATA PRESS ANY KEY ON RC AND OBSERVE OPEN CLOSE ON RC MPEG2...

Page 25: ...URE NO AUDIO POWER BOARD CHECK INSERT A CD FOR AUDIO TEST AND PRESS PLAY REPLACE MPEG BOARD CHECK JP4 CHECK CN6 LOADER AUDIO OUTPUT RUNING J3 RGB CVBS RUNING NO NO NO NO YES YES VOLTAGE 5V 12V 6 3 MPE...

Page 26: ...3 Elec Cap 10V 2200UF M 10X20mm CE14 Elec Cap 16V 220UF M 6 3X11mm CE15 Elec Cap 10V 100UF M 5X11mm BR1 Rectifier Diode 1N4007 DO 41 BR2 Rectifier Diode 1N4007 DO 41 BR3 Rectifier Diode 1N4007 DO 41 B...

Page 27: ...4W 22E J R3 Carbon Film Res 1 4W 330E J R4 Carbon Film Res 1 4W 1K J R5 Carbon Film Res 1 4W 1M J R6 Carbon Film Res 1 4W 10K J R7 Carbon Film Res 1 4W 10K J R8 Carbon Film Res 1 4W 10K J R9 Carbon Fi...

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