Akai A-4162 Service Manual Download Page 15

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MT1389E

PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE

MTK CONFIDENTIAL, NO DISCLOSURE

MTK Confidential A

Pin Main Alt.

Type Description

59 HIGHA7

InOut

4~16mA, SR

Microcontroller address 15

81 AD7

InOut

4~16mA, SR

Microcontroller address/data 7

78 AD6

InOut

4~16mA, SR

Microcontroller address/data 6

77 AD5

InOut

4~16mA, SR

Microcontroller address/data 5

76 AD4

InOut

4~16mA, SR

Microcontroller address/data 4

75 AD3

InOut

4~16mA, SR

Microcontroller address/data 3

73 AD2

InOut

4~16mA, SR

Microcontroller address/data 2

72 AD1

InOut

4~16mA, SR

Microcontroller address/data 1

71 AD0

InOut

4~16mA, SR

Microcontroller address/data 0

83 IOA0

InOut

4~16mA, SR

Microcontroller address 0 / IO

69 IOA1

InOut

4~16mA, SR

Microcontroller address 1 / IO

47 IOA2

InOut

4~16mA, SR

Microcontroller address 2 / IO

49 IOA3

InOut

4~16mA, SR

Microcontroller address 3 / IO

50 IOA4

InOut

4~16mA, SR

Microcontroller address 4 / IO

51 IOA5

InOut

4~16mA, SR

Microcontroller address 5 / IO

52 IOA6

InOut

4~16mA, SR

Microcontroller address 6 / IO

53 IOA7

InOut

4~16mA, SR

Microcontroller address 7 / IO

58 A16

Output

4~16mA, SR

Flash address 16

Summary of Contents for A-4162

Page 1: ...Models A 4162 DVD PLAYER A 4191...

Page 2: ...SERVICE MANUAL 1 The System Block Diagram the Block s Function Description 2 Schematic Circuit Diagram 3 Critical Components List 4 IC Date Sheet IC Description 5 Service Tools and Equipment...

Page 3: ...1 The System Block Diagram the Block s Function Description DVD System Block AC to DC POWER BOARD TEA1521P CONTROL BOARD HD6928 GT60241 DECODE BOARD MTK1389E LOADER LN9815H2 HITICHI 1200...

Page 4: ...2V VCC VCC C74 100pF R81 1k C95 0 33uF CB61 0 1uF R118 5 1k R126 5 1k R143 100 C79 10uF 16v U12B NJM4558 OPA 5 6 7 8 4 U13A NJM4558 OPA 3 2 1 8 4 C88 0 1uF C66 10uF 16v R114 5 1k C70 100pF CB60 0 1uF...

Page 5: ...VCC 1 2 5 GND 1 2 3 5 FS0 2 5VV VCC 5VV 5VV 5VV 5VV 5VV 5VV 5VV 5VV 5VV 5VV D29 1N4148 1 2 R80 L27 1 8uH L20 10uH D21 1N4148 1 2 Q10 3906 R91 150 1 C105 47P C57 47P D28 1N4148 1 2 L23 1 8uH D20 1N4148...

Page 6: ...18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 VCC DQ0 DQ1 VSSQ DQ2 DQ3 VCCQ DQ4 DQ5 VSSQ DQ6 DQ7 VCCQ DQML WE CAS RAS CS BA A11 A10 A0 A1 A2 A3 VCC...

Page 7: ...CTK2 BIAS VOSL VINSL VINSL STBY VCC VOSL VOLD VOLD VOTK VINLD PREGND CTK1 VINTK G1 G2 R53 20k C5 0 1uF NC CB30 0 1uF C33 1uF L11 10uH BEAD SMD 0805 R17 680k CE17 47uF 6 3v C21 6800pF C0603 SMD R55 20k...

Page 8: ...tput 2005 03 01 V3 Modify Video backend circuit 2005 03 09 VSDA Pull UP 12V VCC DV33 12V URST IR VCC URST DV33 IR VSTB VSCK VSDA SCL SDA V18 V33 V33 SD33 I O SD33 VSDA VSTB VSCK IRVCC IRVCC I O GND VS...

Page 9: ...1 2 C 1 0 1 1 C 6 C 4 0 1 1 0 1 3 C 4 C V 6 1 F U 0 2 2 5 C V 6 1 F U 0 2 2 2 D 1 0 0 4 1 D D E L 2 S 4 S 3 S 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 S 8 6 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1...

Page 10: ...K 0 7 4 1 T 5 2 T 2 R K 0 0 1 2 C K 1 3 0 1 5 D 7 0 1 R E H 1 2 3 4 5 6 7 8 1 C I P 1 2 5 1 A E T 8 R K 6 5 5 R 1 1 2 4 3 7 C 7 1 8 6 D 8 4 1 4 N I 3 R 0 1 3 C 3 7 4 1 1 C 1 0 3 4 R K 1 0 1 R K 1 0 1...

Page 11: ...Singing Appellation S29AL008070TF102 IC V36V1616100TC 7 IC D5888S IC MT1389DE E IC 3 Critical Components List HD6928 IC TEA1521P IC GT 60241 DISPLAY...

Page 12: ...led 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 signal input RFIP 7 DVDRFIN Analog Input AC coupled DV...

Page 13: ...04 ADCVDD3 Power Analog 3 3V power for ADC 205 ADCVSS Ground Analog ground for ADC 206 RFVDD3 Power Analog power 207 RFRPDC Analog output RF ripple detect output 208 RFRPAC Analog Input RF ripple dete...

Page 14: ...Digital pin ADIN1 GPIO LVTTL 3 3V Input Schmitt Input pull up with analog input path for ADIN1 1 Motor Hall sensor input 2 AD input 1 3 GPIO General Power Ground 11 48 84 132 146 DVDD18 Power 1 8V pow...

Page 15: ...a 3 73 AD2 InOut 4 16mA SR Microcontroller address data 2 72 AD1 InOut 4 16mA SR Microcontroller address data 1 71 AD0 InOut 4 16mA SR Microcontroller address data 0 83 IOA0 InOut 4 16mA SR PU Microco...

Page 16: ...2 While External Flash size 2MB I Digital video YUV output 7 II GPIO 80 ALE InOut 4 16mA SR PU SMT Microcontroller address latch enable 70 IOOE InOut 4 16mA SR SMT Flash output enable active low IO 57...

Page 17: ...xD 3 I2 C clock pin 98 UP3_5 TXD SDA InOut 4mA SR PU SMT 1 Microcontroller port 3 5 2 Hardwired RD232 TxD 3 I2 C data pin 102 IR Input SMT IR control signal input 103 INT0 InOut 4 16mA SR PU SMT Micro...

Page 18: ...3 YUV6 GPIO InOut 4mA PD SMT 1 Audio serial data 3 Center back Center left back Center right back in 6 1 or 7 1 mode 2 While only 2 channels output I Digital video YUV output 6 II GPIO 158 MC_DATA INT...

Page 19: ...used GPIO 189 ADACVDD1 Power 3 3V power pin for audio DAC circuitry 190 ADACVDD2 Power 3 3V power pin for audio DAC circuitry Video Interface 12 160 DACVDDC Power 3 3V power pin for video DAC circuitr...

Page 20: ...RCK input 150 GPIO5 INT3 SPBCK InOut 2mA 1 General purpose IO 5 2 Microcontroller external interrupt 3 3 Audio S PDIF SPBCK input 90 GPIO6 YUVCLK InOut 4mA SR PD SMT 1 General purpose IO 6 2 Digital v...

Page 21: ...DRAM data 12 116 RD13 InOut DRAM data 13 115 RD14 InOut DRAM data 14 114 RD15 InOut DRAM data 15 113 RD0 InOut DRAM data 0 112 RD1 InOut DRAM data 1 111 RD2 InOut DRAM data 2 110 RD3 InOut DRAM data...

Page 22: ...olid state reliability Description The GT 60241BGH B is a 0 24 6 0mm digit height 6 digit seven segment with several icons display This device is multi color applicable display it uses HIGH BRIGHT GRE...

Page 23: ...NODE COM1 2 CATHODE F 3 COMMON ANODE DIG1 4 CATHODE B 5 COMMON ANODE DIG2 6 CATHODE C 7 CATHODE E 8 COMMON ANODE DIG3 9 CATHODE A 10 CATHODE D 11 COMMON ANODE DIG4 12 CATHODE G 13 COMMON ANODE DIG5 14...

Page 24: ...Electro Optical Characteristics RED Parameter Symbol Condition Typ Max Unit Forward Voltage VF IF 20mA 1 85 V Reverse Current IR VR 5V 50 uA Luminous Intensity IV IF 20mA 9 mcd Peak Emission Waveleng...

Page 25: ...SIZE 51 5mm 15 5mm 8 0mm Package Dimension Unit mm Tolerance 0 2mm Internal Circuit Diagram 2 Schematic Circuit Diagram...

Page 26: ...Searing iron Antistatic wrist strap Grounding for electrostatic breakdown Conductive material steel sheet 5 2 Storing and Handling Test Discs It is important for a DVD testing disc keeping its surfac...

Page 27: ...f 90 percent area Do not place in an area with al ot 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 no...

Page 28: ...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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