Akai DV-P3470S Service Manual Download Page 7 | Manualshive

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Akai DV-P3470S Service Manual Download Page 7

5

4

. Block Diagram

MT1369

(RF AMP)

Laser Driver

Equalizer

Error Gen

MT1369

(Decode/Servo)

ATAPI

Buffer Manager

Demodulator

Error Correction

PLI

Focus & Tracking

Loading

AuDdio D/A

WM8720

SDRAM

1*16MHzX2

Video D/A

CS4955

1/F

Conn

(frant pannel)

Spindle

Motor

Focus

Coil

Track

Coil

Sied

Motor

Loading

Motor

BA5954FP

4ch motor Drive

BA6208

Spindle Motor Drive

80c52

System Controller

Fiash

Memory

8Mbit

Disc

Laser

pickup

Disc motor unit

Spindle motor single for CLV

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Summary of Contents for DV-P3470S

Page 1: ...SERVICE MANUAL Model DV P3470S SK DV P3570S SK DS DSK DPSK DVD PLAYER www akai ru...

Page 2: ...al EEPROM 2K 256 x 8 24C16 ST S08 20 2 1 6 8 Megabit 512 x 8 FLASH RAM 29F800 20 2 1 7 512K X 16 Bit X 2 Banks Synchronous DRAM A43L0616 23 3 PRODUCT SPECIFICATIONS 26 4 OPERATING INSTRUCTIONS 4 1 BAS...

Page 3: ...s with American National Standards institute ANSI C101 1 Leakage Current for Appliances and underwriters Laboratories UL 1270 40 7 With the instrument s AC switch first in the ON position and then in...

Page 4: ...e issued whenever appropriate 1 2 Servicing Precautions CAUTION Before servicing Instruments covered by this service manual and its supplements read and follow the Safety Precautions section of this m...

Page 5: ...should be removed for potential shock reasons prior to applying power to the unit under test 2 after removing an electrical assembly equipped with ESD devices place the assembly on a conductive surfa...

Page 6: ...t Descriptions 2 1 1 DVD SANYO HD60 PUH Connector Pin Definition I F Signals I O Pin F 1 F 2 T 3 T 4 C 5 D 6 CD DVD 7 RF 8 A 9 B 10 F 11 GND PD 12 VC 13 VCC 14 E 15 NC 16 VR CD 17 VR DVD 18 LD CD 19 M...

Page 7: ...rection PLI Focus Tracking Loading AuDdio D A WM8720 SDRAM 1 16MHzX2 Video D A CS4955 1 F Conn frant pannel Spindle Motor Focus Coil Track Coil Sied Motor Loading Motor BA5954FP 4ch motor Drive BA6208...

Page 8: ...n CS4955 CQ 48 pin TQFP DESCRIPTION The CS4955 provides full conversion from digital video formats YcbCr or YUV into NTSC and PAL Composite Y C S video and RGB or YUV analog video Input formats can be...

Page 9: ...21 22 23 24 25 26 I O Host parallel port general purpose I O SDA 32 I O I2 C data SCL 33 IN I2 C clock input CVBS 44 CURRENT Composite video output Y 48 CURRENT Luminance analog output C 47 CURRENT C...

Page 10: ...x audio output for DolbyTM z Dolby Pro Logic z Linear PCM streams for24 bit 96KHz z Concurrent S PDIF out and 2 channel audio output z Sensaura Dolby Digital Virtual Surround z DTS Digital Surround 2...

Page 11: ...9 Pinout Diagram...

Page 12: ...10...

Page 13: ...Hall sensor input 20 DVSS Ground Ground 21 HIGHA0 Inout pull up Microcontroller address 8 22 HIGHA1 Inout pull up Microcontroller address 9 23 HIGHA2 Inout pull up Microcontroller address 10 24 HIGHA...

Page 14: ...DVSS Ground Ground 78 RD7 Inout DRAM data 7 79 RD6 Inout DRAM data 6 80 RD5 Inout DRAM data 5 81 RD4 Inout DRAM data 4 82 DVDD2 Power 2 5V power 83 RD3 Inout DRAM data 3 84 RD2 Inout DRAM data 2 85 R...

Page 15: ...Inout pull up down DRAM data 20 144 RD19 Inout pull up down DRAM data 19 145 RD18 Inout pull up down DRAM data 18 146 DVSS Ground Ground 147 RD17 Inout pull up down DRAM data 17 148 RD16 Inout pull up...

Page 16: ...nput High frequency RF ripple zero crossing 202 ADCVDDS Power Power for ADC circuitry 203 RFDTSLVP Analog output Positive RF data slicer level output 204 SCON Analog output Negative analog slicer curr...

Page 17: ...Bi directional serial port to access internal registers 128 pin LQFP Block Diagram P 3 Pin Assignment and Description P 4 9 Functions 1 RF Path Description P 10 13 2 Servo Signal P 14 17 Focusing Err...

Page 18: ...nal input C 111 SD Analog input DC coupled DVD RAM sub beam RF signal input D 108 IR Analog External current bias resistor R 20K 119 AGC1 Analog Wobble AGC loop1 capacitor 121 AGC2 Analog Wobble AGC l...

Page 19: ...Low pass filter capacitor connecting 30 HTRC Digital output High speed track counting digital output PCS 74 HALLSIN Analog input Negative input of amplifier for hall sensor signal 75 REFSIN Analog in...

Page 20: ...720 consists of a serial interface port digital interpolation filter multi bit sigma delta modulator and stereo DAC in a small 20 pin SSOP package The WM8720 also includes a digitally controllable mut...

Page 21: ...ital input Reset input active low Internal pull up 8 ZERO Digital output Infinite zero detect active low Open drain type output with active pull down 9 VOUTR Analogue output Right channel DAC output 1...

Page 22: ...ct Pin for Hardware Data Protection z 8 Byte Page 1K 2K 16 Byte Page 4K 8K 16K Write Modes z Partial Page Writes Are Allowed z Self Timed Write Cycle 10 ms max z High Reliability Endurance 1 Million W...

Page 23: ...d then resumes the erase Status Reply Data polling Toggle bit for detection of program and erase operation completion Ready Busy pin RY BY Provides a hardware method of detecting program or erase oper...

Page 24: ...22...

Page 25: ...Dual banks Pulse RAS MRS cycle with address key programs CAS Latency 2 3 Burst Length 1 2 4 8 full page Burst Type Sequential interleave All inputs are sampled at the positive going edge of the syste...

Page 26: ...24...

Page 27: ...ut buffers for power down in standby A0 A10 AP Address Row Column addresses are multiplexed on the same pins Row address RA0 RA10 Column address CA0 CA7 BA Bank Select Address Selects bank to be activ...

Page 28: ...CD 1 1 2 0 3 0 SVCD and CVD CDDA CD ROM with MP3 data PICTURE CD Television Signal System NTSC PAL Video Performance Video Out 1 Vpp into 75 ohm S Video Out Y 1Vpp into 75 ohm C 0 286 Vpp into 75 ohm...

Page 29: ...27 5 Disassembly and Reassembly...

Page 30: ...formed with the remote controller Check the batteries are installed with the correct polarities Point the remote control unit at the remote control sensor and operate Remove the obstacles between the...

Page 31: ...o CO 9 power supply switch 1 PS8 4 6A 250V AC 10A 125V AC 10 pyrocondensation conducting tube 11 outer cover 1 CO 01WZ with mark of DECCAVIDEO 12 wire of power supply 1 black two round heads with VDE...

Page 32: ...108PM 355 110 80 30 handle for colourbox 1 31 colourbox 1 32 pearl cotton 480 580 1 Unit mm with environment protecting mark 33 nail BTV3 10 colouful zinc 4 4 for loader 34 with cap hardened nailBTPW3...

Page 33: ...ine number provided by client 44 safety sticker 1 45 2 0 connector 2 0connctor 6P red white row wire 160mm 1 from decoding board to loader 46 2 0 connector 2 0connctor 5P red white row wire 280mm 1 fr...

Page 34: ...1 CO 01 silver 7 pause button 2 CO 01 silver 8 load unload button 1 CO 01 silver 9 light transporting canister 1 CO 01 10 CO 01 VFD screen lens 1 CO 01XSJ silk screen blueprint No 12 subassembly of CO...

Page 35: ...1 U1 accessories 11 VFD screen 1 IC2 BJ732GNK 12 left bracket of screen 1 13 right bracket of screen 1 14 control panel 1 CO DCBCO 01 2001 3 18 15 touching softly switch 12 K1 K12 6 6 5 16 remote cont...

Page 36: ...34 No Name Specification Counts Position in the paper Material No Notes 22 iron thread 10mm 2 J1 J5 diameter 0 6mm 23 iron thread 12mm 1 JMP1 diameter 0 6mm...

Page 37: ...35 8 Block Diagram...

Page 38: ...36 9 Circuit Diagrams 1 Control Part 2 INDEX 3 SERVO RF 4 MEMORY 5 Audio Video D A 6 AV PORT 7 Power Part 8 Wiring Diagram...

Page 39: ...4 K19 D3 4148 D4 4148 R1 OPEN 220 LED OPEN LED GND 1 SIG 2 VCC 3 REM REM 1 2 3 4 5 6 6PIN CZ1 R3 56K R4 10K R5 10K R6 10K F1 F2 GND 27V 5V IR GND CLK CS DATA F1 F2 GND 27V C3 47uF 50V F1 F2 C1 100uF 1...

Page 40: ...V33 URST Video DAC P5V U11 G960T63U 3 1 2 VI GND VO SGND 2 3 4 5 AV33 AGND MT1369E CB60 0 1u AVCC P3V3 P12V CB63 0 1u Video 3 3V C63 220u Audio Ground 3 MEMORY SDRAM FLASH EEPROM Servo 5V P12V 4 5 P3...

Page 41: ...AS RAS RCS BA0 DVDD3 RD15 RD14 RD13 RD12 DVSS RD11 RD10 RD9 RD8 VPVDD3 VCOCIN VPVSS RFIP RFIN RFDTSLVN SCOP SCON RFDTSLVP ADCVDD3 HRFZC RFRPSLV RFRP_AC RFRP_DC RFLEVEL FEI CSO TEI TEZISLV RFSUBI ADIN...

Page 42: ...39 38 37 36 35 34 3 2 44 12 14 43 33 15 17 19 21 24 26 28 30 16 18 20 22 25 27 29 31 23 13 32 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 RESET CE OE WE BYTE IO0 IO1 IO2 IO3 IO4...

Page 43: ...20 19 27 28 30 31 32 33 13 17 36 41 46 9 10 11 44 48 47 39 40 43 37 18 35 42 45 12 14 15 16 38 CLOCK RESET V0 V1 V2 V3 V4 V5 V6 V7 PDAT0 PDAT1 PDAT2 PDAT3 PDAT4 PDAT5 PDAT6 PDAT7 RD WR TTXDAT TTXRQ SD...

Page 44: ...11 22p C87 22p C102 100p A_MUTE MIC_EN G Y B U R172 1K 9 12V 12V ASPDIF SR CB42 0 1u ASPDIF 2 GND T_R V DAC_SR U20B NJM4558 5 6 7 8 4 R165 1K 9 R71 100 R152 15k Q22 3904 R177 267k Q11 3906 6 5VVB DAC_...

Page 45: ...7 8 9 10 CN3 MIC1 MIC2 AGND 12V 12V DGND S 5V SGND SGND S 12V VCC 1 GND 2 RC 3 REG 4 AUX 5 Source 6 NC 7 Drain 8 U1 TEA1523P L2 BEAD D5 HER108 C8 103 1KV R7 27K 2W U3 TL431 R1 5K1 1 2 3 C4 474 BC2 0...

Page 46: ...TB GND LOAD CVBS_ST 12V LIMIT 12V G Y SCART_P11 3V3 ASPECT RCH TRIN CVBS_ST LOAD LCH SP 5V MOUT 12V AGND IR F STB DATA GND CLK F GND 5V 21V CN5 CN1 CN3 POWER BOARD GND LD S VIDEO OUT F GND PD J5 RF J4...

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