background image

IC BLOCK DIAGRAM & DESCRIPTION 

IC K4S641632

 

 

 

 

 

 

 

 

 

Summary of Contents for PDV-TY995

Page 1: ...Service Manual 9 Inch LCD Color Monitor DVD Player DVB T ATV mp man PDV TY995 ...

Page 2: ...Specification 2 Block Diagram 4 General Alignment Instruction 5 Troubleshooting 8 Printed Circuit Board 12 Explode View 13 IC Block Diagram and Lead Identification 26 Schematic Diagram 37 ...

Page 3: ... 125Hz dB 3 0 10KHz dB 3 0 Frequency Response 20 Hz 20 kHz 20KHz dB 3 0 Signal to noise ratio add A Infinity zero dB L R dB 75 75 Audio distortion noise 1KHz 0dB L R dB 65 65 Dynamic range 1KHz 60dB dB 85 85 R L Cross sound 1KHz 0dB L R dB 45 45 1 kHz Channel Unbalance 1KHz 0dB L R dB 3 0 Standby W 0 0 Power Consumption DC 9V Rating DVD Monitor W 12 12 Eccentricity A BEX TDV 552 um 100 100 Scratch...

Page 4: ...dB mW 500 100 500 SPK MAX Output AV IN R 1KHz 0dB mW 500 100 500 HEADPHONE S N add A Infinity zero dB L R dB 75 75 SPK S N add A Infinity zero dB L R dB 50 50 20Hz dB 3 0 125Hz dB 3 0 10KHz dB 3 0 HEADPHONE RESP 20Hz 20KHz 20KHz dB 3 0 20Hz dB 3 0 125Hz dB 3 0 10KHz dB 3 0 Amplifier Frep Resp 20Hz 20KHz 20KHz dB 3 0 ...

Page 5: ...BLOCK DIAGRAM MONITOR MP1029 ...

Page 6: ...DVD DVB T ATV PART ...

Page 7: ...GENERAL ALIGNMENT INSTRUCTION The Main PCB of Monitor Modification 1 Input voltage is 6 8V 16V input signal is test circuit BY 5418 2 Adjust VR2 to get good performance ...

Page 8: ...ure no Good Defective IC U12 3414 Replace IC 3414 4 Luminesce no good Defective U4 Replace IC ASM1117 5 Color is no good Defective Y2 Replace Y2 6 SYNC no good Defective U10 Replace IC MST720A 7 TINT no good Defective U10 Replace IC MST720A 8 Picture no good Defective U10 Replace IC MST720A 9 Brightness no good Defective U10 Replace IC MST720A 10 Key no action Defective U11 Replace IC 25LV512 ...

Page 9: ...Defective U28 Defective U29 Replace IC C4558 Replace IC TDA2822 Replace IC 74595 4 Sound no good Defective U23 C4558 Defective U28 TDA2822 Replace U23 C4558 Replace U28 TDA2822 5 Can not read DISC Defective U37 CD5954 PICK up Laser is defective Defective U34 CT219 Replace U37 CD5954 Replace pick up Replace U34 CT219 6 No remote control function Defective IR1 Key is Defective Defective MONITOR U11 ...

Page 10: ...e IC TDA9886 Replace IC 25LV512 11 ATV signal no good ATV Picture no good Defective TUNER1 Defective U21 Defective U20 Replace TUNER1 Replace IC K3953 Replace IC TDA9886 12 ATV Sound no good Defective TUNER1 Defective U19 Defective U20 Replace TUNER1 Replace IC K9653 Replace IC TDA9886 13 Can not receive DVB T signal Defective TUNER1 DefectiveU41 Defective U29 Defective 34 Replace TUNER1 Replace I...

Page 11: ...PRINTED CIRCUIT BOARD Monitor Main PCB Top View ...

Page 12: ...Monitor Main PCB Bottom View ...

Page 13: ...DVD Main PCB TOP View ...

Page 14: ...DVD Main PCB Bottom View ...

Page 15: ...EXPLODED VIEW ...

Page 16: ...IC BLOCK DIAGRAM DESCRIPTION UTC3308 ...

Page 17: ...IC BLOCK DIAGRAM DESCRIPTION ...

Page 18: ...IC BLOCK DIAGRAM DESCRIPTION CD4053 ...

Page 19: ...IC BLOCK DIAGRAM DESCRIPTION ASM1117 ...

Page 20: ...IC BLOCK DIAGRAM DESCRIPTION CD4053 ...

Page 21: ...IC BLOCK DIAGRAM DESCRIPTION CD4053 ...

Page 22: ...IC BLOCK DIAGRAM DESCRIPTION ...

Page 23: ...IC BLOCK DIAGRAM DESCRIPTION ...

Page 24: ...IC BLOCK DIAGRAM DESCRIPTION ...

Page 25: ...IC BLOCK DIAGRAM DESCRIPTION IC K4S641632 ...

Page 26: ...IC BLOCK DIAGRAM DESCRIPTION IC K4S641632 ...

Page 27: ...22 PIN PIN NAME TYPE DESCRIPTION 1 OSC I RC Oscillate Input 2 PD O Charge Control Output 3 Isen I Charge Current Sense Input 4 GND P Ground 5 LED O LED Status Output 6 Vsen I Charge Voltage Sense Input 7 Timer I Timer 8 VDD P 5 Volt Power ...

Page 28: ...IC BLOCK DIAGRAM DESCRIPTION IC TDA2822 BLOCK DIAGRAM SCHEMATIC DIAGRAM PIN CONFIGURATIONS ...

Page 29: ...SCHEMATIC DIAGRAMS Monitor Part ...

Page 30: ...Monitor Part ...

Page 31: ...DVD Part ...

Page 32: ...DVD Part ...

Page 33: ...DVD Part ...

Page 34: ...DVD Part ...

Page 35: ...DVD Part ...

Page 36: ...DVD Part ...

Page 37: ...DVD Part ...

Page 38: ...DVD Part ...

Page 39: ...DVD Part ...

Reviews: