NAD M56 Service Manual Download Page 52

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3. VIDEO PART-1 (100% FULL COLOR-BAR)

DGND

C668
OPEN

DGND

IC606

THS7314

IN_CH1

IN_CH2

IN_CH3

VS+

GND

OUT_CH3

OUT_CH2

OUT_CH1

DGND

VDAC_Pr

5:B4

R6B2

OPEN

IC610

THS7316

IN_CH1

IN_CH2

IN_CH3

VS+

GND

OUT_CH3

OUT_CH2

OUT_CH1

VDAC_CVBS

R637

75(1%)

R606

75(1%)

R6B4

OPEN

R650

VCC_3V3_VIDEO

VDAC_Pb

5:B4

R6B1

OPEN

C616

0.1uF

DGND

VDAC_Y

5:B4

R621

75(1%)

R651

VCC_3V3

C695

22uF

C667

0.1uF

CA628

470uF/6V

DGND

CVBS

DGND

R632

VCC_3V3_VIDEO

C609

0.1uF

DGND

VCC_3V3_VIDEO

R652

R6B3

OPEN

R640

75(1%)

L614

4.7UH

DGND

R691

R692

R693

R694

Termination Resistor are placed close to Video Filter

VDAC_CVBS

VDAC1_Y

VDAC2_Pb

VDAC3_Pr

Summary of Contents for M56

Page 1: ...SERVICE MANUAL SERVICE MANUAL M56 MODEL M56 SERVICE MANUAL NAD 2010 NAD ELECTRONICS INTERNATIONAL TORONTO Blu ray DiscTM PLAYER Blu ray Disc TM PLAYER M56 M56 Blu ray Disc TM PLAYER...

Page 2: ...CONTENTS SECTION 1 SUMMARY SECTION 2 CABINET MAIN CHASSIS SECTION 3 ELECTRICAL SECTION 4 HL 05P LOADER PART SECTION 5 REPLACEMENT PARTS LIST 1 1...

Page 3: ...SAFETY SERVICING GUIDELINES FOR BLU RAY DISC PLAYER PRODUCTS 1 3 SERVICING PRECAUTIONS 1 4 GENERAL SERVICING PRECAUTIONS INSULATION CHECKING PRODEDURE ELECTROSTATICALLY SENSITIVE ES DEVICES SOFTWARE...

Page 4: ...polarized line plug has not been defeated 3 Soldering must be inspected to discover possible cold solder joints solder splashes or sharp solder points Be certain to remove all loose foreign particles...

Page 5: ...ive Parts include Metal panels Input terminals Earphone jacks etc Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such compone...

Page 6: ...med to NAD_BD_330BB ROM or NAD_BD_310BB ROM Insert a upgrading disc or USB Show help message for disc upgrade as follows in the case of Back End program Front End program Press play key to upgrade and...

Page 7: ...OUT video audio 19pin HDMI standard Type A ANALOG AUDIO OUT 2 0Vrms 1kHz 0dB 600 RCA jack L R x 1 DIGITAL OUT OPTICAL 3V p p Optical jack x 1 DIGITAL OUT COAXIAL 0 5V p p 75 RCA jack x 1 MULTI CHANNEL...

Page 8: ...SECTION 2 CABINET MAIN CHASSIS CONTENTS DISASSEMBLY INSTRUCTIONS 2 2 EXPLODED VIEWS 2 3 1 CABINET AND MAIN FRAME SECTION 2 3 2 DECK MECHANISM SECTION HL 05P 2 4 3 PACKING ACCESSORY SECTION 2 5 2 1...

Page 9: ...ver to seperate the top cover 3 Push the top cover backward to seperate the top cover completely 4 Remove the eight screws in front panel four screws on the bottom other four screws on the both side t...

Page 10: ...C011 C013 C014 C015 C016 C003 C004 F001 F002 F003 F004 F005 F006 F008 F007 F009 F010 F012 F014 F013 F015 F016 F017 F018 F011 F019 F021 F022 F020 F023 F024 F025 R001 R002 R003 FP02 FP01 S002 S001 S004...

Page 11: ...BTB3X6 6 F003 70 154002 1 Flip Door Skin 1 S003 61 023204 0 Self Taping Screw BTB3X4 2 F004 75 154002 2 Flip Door Bracket 1 S004 61 022506 6 Machine Screw MB2 5X6 Ni 2 F005 76 154001 0 VFD Window 1 S...

Page 12: ...1431 1002 A001 1001 1003 1026 1013 1017 1433 1016 1015 1012 1020 1020 1046 A52 LOADER BOARD CABLE3 CABLE4 1049 A60 1019 1018 1043 1045 A005 2 5 Service Part Only A60 Part 36 57700 00 SVC purchase ord...

Page 13: ...EPE Polyfoam 1 4 JA15 10125 01 or A15 10125 00 AC Cord AH 1 JA15 10250 20 or A15 10250 00 AC Cord C 1 5 29 57702 00 29 57701 00 Audio and Video Cord 1 6 J30 15560 00 Remote Control 1 7 30 25770 00 Bat...

Page 14: ...MEMO 2 7...

Page 15: ...ONT PART BLOCK DIAGRAM 3 46 5 2CH AUDIO INTERFACE BLOCK DIAGRAM 3 47 6 7 1CH AUDIO INTERFACE BLOCK DIAGRAM 3 48 7 VIDEO INTERNAL BLOCK DIAGRAM 3 49 8 Wi Fi BLOCK DIAGRAM 3 50 CIRCUIT DIAGRAMS 3 51 1 S...

Page 16: ...s a problem with the disc Multiple discs displaying the problem could indicate the BD lens needs to be cleaned Recommend the customer use a lens cleaner on the BD A lens cleaner is available at any lo...

Page 17: ...ailable at any local electronics retailer Do lines appear when watching a TV program NO YES Ghosting appearing when watching a TV program indicates an issue with the display If the TV program is fine...

Page 18: ...ailable at any local electronics retailer Does rolling appear when watching a TV program NO YES Rolling appearing when watching a TV program indicates an issue with the display If the TV program is fi...

Page 19: ...vailable at any local electronics retailer Does shaking appear when watching a TV program NO YES Shaking appearing when watching a TV program indicates n issue with the display If the TV program is fi...

Page 20: ...le at any local electronics retailer Does blurriness appear when watching a TV program NO YES Blurriness appearing when watching a TV program indicates an issue with the display If the TV program is f...

Page 21: ...urn TV off then on to determine input Video when using composite or component DVI when using DVI and HDMI when using HDMI Is the customer able to watch TV programming NO YES If the customer is not abl...

Page 22: ...mposite or component DVI when using DVI and HDMI when using HDMI Is the customer able to watch TV programming NO YES If the customer is not able to watch television then he may have a problem with his...

Page 23: ...onent DVI when using DVI and HDMI when using HDMI Is the customer able to watch TV programming NO YES If the customer is not able to watch television then he may have a problem with his television esp...

Page 24: ...or component DVI when using DVI and HDMI when using HDMI Is the customer able to watch TV programming NO YES If the customer is not able to watch television then he may have a problem with his televis...

Page 25: ...O YES Make sure the display is HDCP compliant when using a DVI or HDMI connection A lack of HDCP compliancy on the display may cause an invalid format or format not supported message to appear It can...

Page 26: ...the owners manual Multiple discs displaying the problem indicates a problem with the BD player Does color appear when watching a TV program NO YES If the cable or satellite programming is connected t...

Page 27: ...when watching a TV program NO YES If the cable or satellite programming is connected through another input and the customer does not get color the customer has a problem with his television If a TV p...

Page 28: ...cs could indicate a lens cleaner is needed The customer can purchase a lens cleaner at any electronics retailer Problem occur when watching TV program NO YES No audio from a TV program on a different...

Page 29: ...leaner at any electronics retailer Problem occur when watching TV program NO YES Distorted audio from a TV program on a different channel or input means there is a problem with the television If a TV...

Page 30: ...le tapes and discs NO YES YES If the issue only shows up on one disc then the problem is with that disc Have the customer try multiple tapes or discs If the issue happens on multiple discs and tapes t...

Page 31: ...gged into a surge protector NO YES Make sure the surge protector is plugged into a wall outlet Also make sure the surge protector is turned on or does not need to be reset due to a recent surge Does t...

Page 32: ...er initialized a DVD RW in VR mode make sure the owners manual has the RW logo to show compatibility for the VR format Did the customer burn the disc in a computer NO YES Make sure the customer burned...

Page 33: ...nit does not respond after the reset arrange for service on the BD 5 3 Unit Locks Up Unit does not respond to any commands Does the open close button on the unit work NO YES Press the open close butto...

Page 34: ...re new and fresh The batteries do not need to come from a spare battery drawer Do not mix used and new batteries Is the remote working at all NO YES YES If the remote does not work anything then walk...

Page 35: ...tialized a DVD RW in VR mode make sure the owners manual has the RW logo to show compatibility for the VR format Did the customer burn the disc in a computer NO YES Make sure the customer burned a com...

Page 36: ...lized a DVD RW in VR mode make sure the owners manual has the RW logo to show compatibility for the VR format Did the customer burn the disc in a computer NO YES Make sure the customer burned a compat...

Page 37: ...yer can play onlyDVD discs labeled same as the rear of the unit Is the disc locking up on a disclaimer screen when the customer presses play NO The disc locking up on a feature needs to be reported to...

Page 38: ...D player aspect ratio is set to the appropriate setting depending on the aspect ratio of the TV If the customer chose 4 3 Letterbox then bars will appear on the top and bottom The customer can choose...

Page 39: ...otected discs will not upconvert when HDCP is not found on the input or output Is the customer using an HDMI or DVI cable NO YES Regular discs can convert to 1080p over the HDMI output and only the HD...

Page 40: ...little long time to loading the OS program 6 2 Booting Times What is the purpose of the ethernet port on the unit NO This is used for the unit to access a network dealing with interactive BD movie me...

Page 41: ...ed to IC101 Pin4 Is the D102 normal YES NO NO Check or replace the D102 Is the D124 normal Replace the D124 YES NO Is there about 2 5V at the IC103 Pin1 Replace the IC103 YES NO Is the IC102 normal Re...

Page 42: ...Is the Vcc 5 5V supplied to D132 anode NO Check the DVD CTL H signal from com Is the IC152 Pin4 H YES YES YES NO No 12V_A Check or Replace the IC151 Check or Replace the D121 Is the Vcc 13 5V supplie...

Page 43: ...isplay on VFD OK Front I F cable connection OK NO NO YES VFD power cable connect VFD power cable connection OK NO YES YES YES Proper display cable connect LOGO display on monitor OK Display cable conn...

Page 44: ...25kHz serial Clock OK NO YES IC902 Change R923 about 500kHz OK NO YES DIG901 change Check SMPS READING Display on VFD OK CN701 Pin5 12V Pin7 5V Pin2 3 3V Pin11 5V YES IC701 IC702 Change IC703 Change I...

Page 45: ...T YPbPr VIDEO OUT Re soldering YES NO L614 3 3V OK Re soldering YES NO R692 R693 R694 signal OK Re soldering YES NO R650 R651 R652 signal OK Re soldering YES NO JK602 soldering OK Component Video OK E...

Page 46: ...no display IC201 Check YES NO 5 CVBS VIDEO OUT R691 Video signal input OK IC606 Check YES NO R632 Video signal output OK Re soldering YES NO JK602 soldering OK CVBS video OK ELECTRICAL TROUBLESHOOTING...

Page 47: ...PTICAL ELECTRICAL TROUBLESHOOTING GUIDE No Audio S PDIF OPTICAL audio out OK IC702 Check JK601 Red lighting OK R6E9 Digital audio output OK JK601 Pin2 5 0V OK NO NO NO YES JK601 Re soldering IC201 Che...

Page 48: ...Pin2 LOW NO Q617 Re soldering YES IC607 Pin6 7 8 I2S output OK NO IC201 Check YES IC607 Pin14 15 audio output before amplifying OK NO IC607 Check YES L618 L619 JK602 Pin2 5 soldering OK NO Re solderin...

Page 49: ...8 HDMI ELECTRICAL TROUBLESHOOTING GUIDE No A V HDMI out OK Re soldering JK603 soldering OK NO JK603 Pin18 5V OK IC201 Check L722 5V OK NO NO IC702 Check YES YES L621 Re soldering YES YES 3 35...

Page 50: ...ORMS 1 SYSTEM PART 1 7601 XTAL 27MHz CLK27_XTALP DGND CLK27_XTALN X504 27MHz 18pFCL C504 30pF C518 30pF R511 18 R518 18 IC201 BCM7601 BGA 507Pin 21 x 21 Broadcom Close to 7601 and avoid heat sink 1 1...

Page 51: ...2 SYSTEM PART 2 SYSTEM MEMORY 7601 DDR2_0_BA0 3 7601 DDR2_0_nWE 6 5 4 3 4 7601 DDR2_0_nCAS 5 7601 DDR2_0_CLK0 6 3 37...

Page 52: ...8 OUT_CH1 VDAC_CVBS B4 D R637 75 1 R606 75 1 R6B4 OPEN R650 75 VCC_3V3_VIDEO VDAC_Pb 5 B4 R6B1 OPEN C616 0 1uF DGND VDAC_Y 5 B4 R621 75 1 R651 75 VCC_3V3 C695 22uF C667 0 1uF CA628 470uF 6V DGND CVBS...

Page 53: ...OUT_CH1 DGND DGND R637 75 1 R606 75 1 DGND R650 75 O VDAC_Pb 5 B4 R6B1 OPEN C680 OPEN C616 0 1uF GND VDAC_Y 5 B4 R651 75 VCC_3V3 C695 22uF C667 0 1uF CA628 470uF 6V C679 OPEN DGND CVBS J4 DGND DGND C...

Page 54: ...5 AUDIO PART S PDIF 15 7601_AUD0_SPDIF 15 3 40...

Page 55: ...K 14 TMDS_GND 23 CEC_OUT 24 TMDS_CLK 15 NC 22 DDC_CLK_OUT 16 CEC_IN 21 DDC_DAT_OUT 17 DDC_CLK_IN 18 DDC_DAT_IN 19 HOT_PLUG_DET_IN 20 HOT_PLUG_DET_OUT DGND DGND DGND DGND DGND DGND DGND DGND DGND VCC_3...

Page 56: ...JIG405 TP402 TP403 UART_RXD_3 K4 UART_TXD_3 K4 R437 10K Q406 2SK3018 3 1 2 R439 10K Q401 2SK3018 3 1 2 R438 10K C408 0 1uF VCC_3V3 R440 OPEN UART_TX3 5 F4 UART_RX3 5 F4 VCC_5 6V_L DGND 20 21 UART_TXD_...

Page 57: ...BLOCK DIAGRAMS 1 OVERALL BLOCK DIAGRAM 3 43...

Page 58: ...LTER SWITCHING IC TRANS FEED B RECTIFIER 5 3VA LPF 5 2V PWR CTL 12V 3 3V AC85 264V LPF LDO 5V RECTIFIER 29VA RECTIFIER FD FD 29VA RECTIFIER primary Fuse RECTIFIER 13 5VA RECTIFIER 5 5VA RECTIFIER 3 8V...

Page 59: ...DDR SDRAM 1GB 32bit 800 DDR2 SDRAM SATA MICOM uPD78F0535GK EBI Bus 1GMB 8Bit NAND flash USB2 0 Composite SPDIF USB Host 2 CH RCA ADAC AMP I2C UART 1 UART 2 UART 3 Debugging Purpose Dependent on BRCM U...

Page 60: ...DMI Front Panel SMPS 5 3VA VFD UART 3 CEC Simplink v1 0 CEC Loader HL05P Instant open R C VFD 10M X tal Reset RESET X1 2 KEY BUTTON LED PLAY STOP REW FF OPEN KEY USB JACK USB PT6315 PWR CTRL 3 3V 1 8V...

Page 61: ...5 2CH AUDIO INTERFACE BLOCK DIAGRAM 2 CH RCA Audio DAC PCM1781 OP AMP 13404M Micom Mute Active H Broadcom 7601 Mute Zero Mute DD DTS PCM stereo Front Timer I2C LPF 3 47...

Page 62: ...L FR RCA Audio DAC 7 1ch AKM4359 OP AMP MC 4580 Micom Mute Active H Broadcom 7601 Mute Zero Mute Front Timer I2C SL SR RCA RSL RSR RCA Center Woofer RCA DD DTS PCM stereo Multi Ch PCM DTS HD Master Do...

Page 63: ...7 VIDEO BLOCK DIAGRAM BCM7601 CVB HDMI v1 3 HDMI YPbP Composite TMDS YPbPr THS7314 SD Video Filter THS7316 HD Video Filter 3 3V DC to DC converter 3 3V 1 2V 1 2V SMPS LDO 3 3V 3 49...

Page 64: ...8 Wi Fi BLOCK DIAGRAM DC 5V USB Interfaces BCM43231 ANT1 USB interfaces RT8020 DC 1 2V DC 3 3V 20MHZ XTAL RX TX SW RX TX SW ANT0 3 50...

Page 65: ...MEMO...

Page 66: ...C154 are Defective WHEN SERVICING THIS CHASSIS UNDER NO CIRCUMSTANCES SHOULD THE ORIGINAL DESIGN BE MODIFIED OR ALTERED WITHOUT PERMISSION FROM THE NAD CORPORATION ALL COMPONENTS SHOULD BE REPLACED ON...

Page 67: ..._0_nCLK23_N N2 DDR2_0_CKE P7 DDR2_0_CS0 P4 DDR2_0_CS1 N3 DDR2_0_VREF J4 DDR2_0_ZQ N5 DDR2_0_ODT L5 DDR2_0_TESTOUT AC10 DDR2_1_ADDR_00 AC6 DDR2_1_ADDR_01 AA10 DDR2_1_ADDR_02 AD6 DDR2_1_ADDR_03 AB9 DDR2...

Page 68: ...27 0 1uF C312 0 1uF C314 0 1uF C329 0 1uF C313 0 1uF C330 0 1uF C318 0 1uF C315 0 1uF C336 0 1uF C344 0 1uF C301 0 1uF C338 0 1uF C335 0 1uF C322 0 1uF C333 0 1uF C331 0 1uF C309 0 1uF C316 0 1uF C303...

Page 69: ...5 G3 SGPIO01 BSC_M0_SDA 5 F3 5 G2 R437 10K Q406 2SK3018 3 1 2 R439 10K Q401 2SK3018 3 1 2 R438 10K C408 0 1uF VCC_3V3 R440 OPEN UART_TX3 5 F4 UART_RX3 5 F4 VCC_5 6V_L JIG455 VCC_5V_AV DGND DGND DGND C...

Page 70: ...8 HDMI_PLLCAP D7 HDMI_EXT12K A10 HDMI_GND E8 HDMI_CEC_RES C8 HDMI_CEC C7 HDMI_HTPLG Y21 I2S_CLOCK U23 I2S_LR U21 I2S_DATA0 U20 I2S_DATA1 U22 I2S_DATA2 AA25 I2S_DATA3 V20 AUD_FS_CLK0 U25 AUD0_SPDIF Y22...

Page 71: ...674 1uF_open C673 1uF_open R648 1 5k R641 1 5k R6D0 4 7k_open R6F0 56 R6D7 100 R676 open R635 OPEN C685 open C686 open R673 open R6D8 0 R6D9 0 D611 OPEN D610 OPEN C677 150pF C678 150pF VCC_3V3 R677 OP...

Page 72: ...DER 6 GND 7 5V_LOADER 8 P_CON 9 GND 10 GND 11 5 3VA 12 5 3VA 13 GND 14 29VA 15 FD 16 FD C704 0 1uF C725 0 1uF C707 0 1uF C716 0 1uF C724 0 1uF C713 0 1uF C766 0 1uF C757 0 1uF C706 0 1uF C710 0 1uF C7...

Page 73: ...8 ANALOG AUDIO 7 1CH CIRCUIT DIAGRAM A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T 3 65 3 66...

Page 74: ...for M56 FPP_SUB Board connection J806 RC901 is replaced with a 3 pins connector for M56 FPP_SUB Board connection J805 CN902 is replaced with two 2 pins connectors for M56 FPP_SUB Board connection J80...

Page 75: ..._l_3 B12 pci_cbe_l_2 B8 pci_cbe_l_1 A4 pci_cbe_l_0 U1G BCM4323 U1G BCM4323 1 2 C90 0 1uF C90 0 1uF 1 2 C68 0 1uF C68 0 1uF 1 2 L3 100MHZ CRITICAL L3 100MHZ CRITICAL 1 2 C3 22uF C3 22uF V17 gpaio_a R4...

Page 76: ...lna_p_g_1 W10 pa_p_a_0 W11 pa_p_g_0 W13 lna_p_a_0 W14 lna_p_g_0 U1E BCM4323 U1E BCM4323 1 2 R32 14 7K R32 14 7K 1 2 C123 1000pF C123 1000pF 1 2 C44 1uF C44 1uF 1 2 L1 100MHZ CRITICAL L1 100MHZ CRITIC...

Page 77: ...CRITICAL 1 2 C61 2pF C61 2pF 1 2 C22 1 5pF NI C22 1 5pF NI TP5 TP5 1 2 R6 100 R6 100 1 2 C70 1 5pF NI C70 1 5pF NI 1 2 C15 6 8p C15 6 8p 1 2 C28 6 2pF C28 6 2pF 1 2 R18 2 2nH R18 2 2nH 1 2 C73 1 5pF N...

Page 78: ...S808 Scan_FW S810 ENTER S803 Skip_FW S802 Skip_BW S807 Home R810 15K 1 2 3 4 5 J804 TO SUB Board 5V GND KEY LED IR 1 2 3 4 5 6 7 8 9 10 11 12 J802 From T577 FPP R809 8K2 R808 4K7 R807 3K3 R806 2K2 R80...

Page 79: ...A2E7 47uF 16V 3 29 0 00 12 CA410 100uF 6 3V 3 29 0 00 13 CA725 100uF 6 3V 1 81 0 00 14 CA415 100uF 16V 5 00 0 00 15 CA416 100uF 16V 12 00 0 00 16 CA417 100uF 16V 5 00 0 00 17 CA614 100uF 16V 12 05 0 0...

Page 80: ...3 79 38 80 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW...

Page 81: ...3 81 3 82 2 SMPS P C BOARD TOP VIEW BOTTOM VIEW...

Page 82: ...3 M56 FPP SUB USB P C Boards TOP VIEW BOTTOM VIEW 3 83 3 84...

Page 83: ...3 85 3 86 4 FRONT TIMER P C BOARD TOP VIEW BOTTOM VIEW...

Page 84: ...6 WI FI P C BOARD TOP VIEW 5 ANALOG 7 1CH P C BOARD TOP VIEW 3 87 3 88 BOTTOM VIEW BOTTOM VIEW...

Page 85: ...3 89 3 90 MEMO MEMO...

Page 86: ...POSITION 4 2 3 PICK UP CONNECTOR TERMINAL PIN ASSIGNMENTS 4 3 MAJOR IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTION 4 4 1 LIC501 MT8575 BLU RAY SIGNAL PROCESSOR SINGLE CHIP 4 4 2 LIC201 R2A30232SP SPIND...

Page 87: ...4 1 INTERNAL STRUCTURE OF THE PICK UP 1 OPTICAL LAYOUT 405nm LD PD 650 780nm LD DVD CD Layout Blu ray Layout 2 OBL type DVD CD BD...

Page 88: ...A D SA SD SW SW2 SW1 SW3 RF RF RF RF Vcc Vref GND GND Vref Vcc For DVD CD For Blue RF RF SA SD A D SW3 SW SW2 SW1 GND Vref Vcc 7ZR SLQV IRU JDLQ FKDQJHRYHU RI Output signals share the pin in every mod...

Page 89: ...VD CD 24 RF RF output for BD DVD CD 25 SWB2 SW for PDIC BD Gain and sleep 26 SWB1 SW for PDIC BD Gain and sleep 27 VREF_PD PDIC Reference Supply Terminal 2 1V 28 VCC_ 5PD PDIC Power Terminal 5V 29 GND...

Page 90: ...VDD33_2 14 INE 15 INF 16 ING 17 INH 18 AGND_2 19 FOIP 20 FOIN 21 VDD12_2 22 FPDODVD 23 FPDOCD 24 RFIN 25 RFIP 26 RFIP2 27 RFIN2 28 REG_CAP 29 AGND_3 30 AVDD33_3 31 AVDD12_3 32 AVDD12_4 33 LGO1P 34 LGO...

Page 91: ...t Laser Power Control Logic Tray Actuator Control Unit Servo Control Unit Spindle Control System Control Unit SATA Interface Unit 1M word SDRAM Buffer Memory Controller Unit BD DVD CD Decode Engine AT...

Page 92: ...o Power Control for Laser 6 22 FPDODVD Analog Input Laser Power Monitor Input for DVD APC Differential positive input 23 FPDOCD Analog Input Laser Power Monitor Input for CD APC Differential negative...

Page 93: ...P 56 FMO Analog Output Feed motor control PWM output 57 FMO2 Analog Output Feed motor 2 control PWM output 58 DMO Analog Output Disk motor control output PWM output 3 3V LVTTL I O 96 FG 5V tolerance 1...

Page 94: ...n stage Alternate function General I O 87 GIO4 3 3V LVTTL I O General IO 88 GIO5 3 3V LVTTL I O General IO 89 GIO6 3 3V LVTTL I O General IO 90 GIO7 MUTE3 General IO The pin is spike free at power on...

Page 95: ...MF EDTECTER SWICHING Commutation STARTER PWM CIRCUIT 6 4MHz STTH For SLIDE 7 13 2V FG x3 Reverse datact CTL TEST mode Gain Select SPM Current gain 0 88A V Current gain 3A V 0 6A V Frequency 75kHz Curr...

Page 96: ...equency generator output 20 EN1 Input terminal for enable 1 21 EN2 Input terminal for enable 2 22 VM1 Motor Power Supply 1 for Spindle 23 SPGS Input terminal for gain select SPM 24 STTH Reference volt...

Page 97: ...MEMO...

Page 98: ...4 12 4 11 CIRCUIT DIAGRAM...

Page 99: ...63 0 00 64 0 00 65 3 30 66 3 30 67 0 00 68 0 00 69 3 30 70 0 00 71 1 19 72 3 27 73 3 27 74 OSC 75 OSC 76 3 24 77 3 24 78 1 16 79 0 00 80 1 19 81 1 19 82 1 19 83 0 00 84 1 19 85 1 19 86 1 19 87 PULSE...

Page 100: ...4 15 4 16 PRINTED CIRCUIT BOARD DIAGRAMS TOP VIEW...

Page 101: ...4 17 4 18 BOTTOM VIEW...

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