manualshive.com logo in svg

Sony RCD-W7V, Service Manual

Share
Download
Sony RCD-W7V Service Manual Download Page 32

RCD-W7V

32

32

6-6.SCHEMATIC DIAGRAM  -BD SECTION (4/5)-     • See page 48 for IC Pin Function Description.

WE

R493 R494

R428

R429

L401

R402

R416

R417

R418

R419

R420

C409

C411

C410

C412

R414

R415

C413

C414

R411

R403

R404
R405

R407

C423

C422

R423

R424

R425

L403

L404

ZD402

C477

R421

R422

C405

R406

X401

C403

C402

C401

R408

L405

C407

C408

C406

L402

ZD401

0

0

47k

47k

102

10k

100k

2.2k

10k

10k

68k

0.1

0.1

10

16V

0.1

330

330

0.1

0.1

4.7k

0

0
0

4.7k

0.1

56p

4.7k

4.7k

4.7k

102

102

DAN202U

0.1

3.3k

100

0.1

680

20MHz

0.1

0.1

2.2

4.7k

102

0.1

2.2

0.1

102

DAN202U

3.3V

5VD

D GND

S CLK
S DATA

SPIN FG

DVD DATA6

DO

/WR
/RD

B2-3-4

M RESET

REC SIO EN

B1-4

B4-5

B3-4

B2-4

5.2VA

S DATA A

S CLK A

D00

D01

D02

D03

D04

D05

D06

D07

D08

D09

D10

D11

D12

D13

D14

D15

A06

A07

A08

A09

D08

D09

D10

D11

D12

D13

D14

D15

A01

A02

A02

A06

A07

A08

A18

A19

A20

A09

A10

A11

A12

A13

A14

A15

A16

D00

D01

D02

D03

D04

D05

D06

D07

/RAS

/CASH

/CASL

D00

D01

D02

D03

D04

D05

D06

D07

D08

D09

D10

D11

D12

D13

D14

D15

A03

A04

A05

REC/FLD RXDA

A17

/ROM CS

A01

R/FLD CLK A

DO4

DO5

DO6

DO7

DO0
DO1

DO2
DO3

A03

A04

A05

A03

A04

A05

DSP INT

XLAT

E DR

IIC CLK

IIC DATA

MPEG WR

MPEG INT

LDON

LOAD CTL

SPD F/R

SQCK

SQSO

FOK

DEFECT

MSDATO

LOCK

A MUTE

A LEVEL IN

VIDEO SW

E ENA

S CLK A

S DATA A

REC/FLD RXDA

IIC CLK

IIC DATA

R/FLD CLK A

REC/FLD TXD

AS DONE

E SOUT

DSP SENSE

E SIN

E CLK

M REQ

/STROBE

SENS MCOM

FPGA AS

REC/FLD RXD

R/AS/FLD CLK

E SIN

AS CLK SEL

A19

A20

A19

A20

V MUTE

A19
A20
A21

/IOCS1

/MICOM WAIT

A06
A07

A08
A09
A10
A11
A12
A13
A14
A15

A16
A17

A18

/ROM CS
/CASH

/CASL

/RAS
REC SIO EN A

E ENA

REC SIO EN A

ACT MUTE

A02

A00

A01

X/FPGA RST

EXP W2

DOWN OPTION

D00
D01

D02
D03
D04

D02
D03
D04

D00
D01

DAC RST

AS PRG EN

FPGA CS

PLL LATCH

VEE

VCC

IN2+

IN2-

OUT2

OUT1

IN1-

IN1+

COMPARATOR

IC407

NJM2100

COMPARATOR

IC404

IC408

MM74HCT244

IC405

74VHC374MCTX

IC403

IC402

V53C16256HK

IC401

HD6417034AF

D3652A11AQC

VCC

O
D
O
D
O
D
O
D

7
7
6
6
5
5
4
4

CP

O
D
O
D
O
D
O
D

0
0
1
1
2
2
3
3
GND

OE

I7

I6

I5

I4

O3

O2

O1

O0

OE2

VCC

OE1

GND

I0

I1

I2

I3

O4

O5

O6

O7

A0
A1
A2
VSS

VCC

WP

SCL

SDA

A16

GND

VCC

GND

A0

I/O7

I/O6

I/O5

I/O4

I/O3

I/O2

I/O1

I/O0

I/O8

I/O9

I/O10

I/O11

I/O12

I/O13

I/O14

I/O15/A-1

A15

A14

A13

A12

A11

A10

A9

A8

A19

NC

VPP

NC

A18

A17

A7

A6

A5

A4

A3

A2

A1

BUZY

RDY/

RESET

BYTE

OE

CE

/WR

E SOUT

/RD

VSS

E SIN

E CLK

/MPG WR

M REQ

FPGA AS

/STROBE

SENS

MPEG INT

DSP SENSE

VCC

CK

VSS

EXTAL

XTAL

VCC

PWR FAIL IN

VCC

/WDTOVF

/RES

MD0

MD1

MD2

VCC

VCC

A5

A4

A3

A2

A1

A0

VSS

D15

D14

D13

D12

D11

D10

VCC

D9

D8

VSS

D7

D6

D5

D4

D3

D2

D1

D0

VSS

DSP INT

DAV DATA6

SQCK

SCK0
TXD1

SQS0

TXD0

RXD0

VSS

SPINDLE FG

A MUTE

S CLK

S DATA

LD ON

LOAD CTL

IIC CLK

VCC

VSS

AVSS

IIC DATA

FOK

DEFECT

LOCK

AVDIO LEVEL IN

MSDAT0

VIDEO SW

SPD F/R

AS DONE

AV REF

AVCC

A6
A7
VSS
A8
A9
A10
A11
A12
A13
A14
A15
VSS
A16
A17
VCC
A18
A19
A20
A21
/ROM CS
/CASH
/IOCS1
/CASL
VSS
V MUTE
/RAS

REC SIO EN
MICOM WAIT

FLASH ROM

AT49BV1614-11TC

SDRAM

BUS BUFFER

BUS BUFFER

MAIN MICOM

VCC

NC

WE

RAS

A0

A1

A2

A3

VCC

NC

NC

I/O1

I/O2

I/O3

I/O4

I/O5

VCC

I/O6

I/O7

I/O8

VSS

A4

A5

A6

A7

A8

OE

UCAS

LCAS

NC

VSS

VSS

I/O9

I/O10

I/O11

I/O12

I/O13

I/O14

I/O15

I/O16

Summary of Contents for RCD-W7V

Page 1: ... 0 Vp p 75 ohms C 0 3 Vp p 75 ohms COMPONENT VIDEO OUT Y 1 0 Vp p 75 ohms sync negative Phono jacks CB B Y CR R Y 0 7 Vp p 75 ohms DECK B the CD R and CD RW recording section System Compact disc digital audio system Laser Semiconductor laser Playable discs CD CD R CD RW for music use Frequency response 20 Hz to 20 000 Hz 0 5 dB Signal to noise ratio Over 100 dB during playback Dynamic range More t...

Page 2: ...he minus side of a tantalum capacitor may be damaged by heat Flexible Circuit Board Repairing Keep the temperature of soldering iron around 270 C during repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be careful not to apply force on the conductor when soldering or unsoldering NOTES ON HANDLING THE OPTICAL PICK UP BLOCK OR BASE UNIT The laser dio...

Page 3: ... 42 6 15 Schematic Diagram Audio Section 43 6 16 Printed Wiring Board Display Section 44 6 17 Schematic Diagram Display Section 45 6 18 Schematic Diagram Power Section 46 6 19 Printed Wiring Board Power Section 47 6 20 IC Pin Functions 48 6 21 IC Block Diagrams 54 7 EXPLODED VIEWS 7 1 Front Panel Section 56 7 2 Chassis Section 57 7 3 DVD Play Section Deck A DP 4RM 58 7 4 CD Record Section Deck B C...

Page 4: ...ouched 4 Laser beams may damage the eyes Absolutely never permit laser beams to enter the eyes Also NEVER switch ON the power to the laser output part lens etc of the pick up if it is damaged 5 Cleaning thelens surface If there is dust on the lens surface the dust should be cleaned away by using an air bush such as used for camera lens The lens is held by a delicate spring When cleaning the lens s...

Page 5: ...e replacing a component part first disconnect the power supply lead wire from the unit 2 All equipment measuring instruments and tools must be grounded 3 The workbench should be covered with a conductive sheet and grounded When removing the laser pick up from its conductive bag do not place the pick up on the bag This is because there is the possibility of damage by static electricity 4 To prevent...

Page 6: ...atic solder removal device Some solder removal devices not classified as anti static can generate electrical charges sufficient to damage ESD devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ESD devices 6 Do not remove a replacement ESD device from its protective package until immediately before you are ready to install it Most replacement E...

Page 7: ... check the system In the normal state the voltage of the capacitor is small about 10V but in the abnormal state is very high about 140V When discharge the capacitor use the wattage resistor about 100 ohm 5 In the narrow system Until set repaired completely insert the power cord at the moment repeatedly and then check the waveform 6 In the wide system when insert the power cord check the wave form ...

Page 8: ...eck B 24 play Deck B 23 INPUT select 48 TIME 50 ERASE 52 FINALIZE 51 CD SYNCHRO NORMAL HIGH 46 47 DISPLAY remote sensor RETURN 22 Arrow C X x c PUSH ENTER 27 DISPLAY 31 TITLE 27 stop Deck A 24 pause Deck A 24 Headphone jack 24 Headphone level control 24 2 3 4 5 6 7 8 9 10 11 1 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 1514 13 12 1 2 3 4 5 6 7 8 9 0 qa qs qd qf qg qh qj qk ql w wa ws wd wf wg wh...

Page 9: ...rocedure in the numerical order given Set Back panel HP board FL board VOL board Tray door Front panel assy Audio board Power board DVD deck assy deck A BD board deck A Sled base assy deck A CD R deck assy deck B BD R board deck B PU mechanism assy deck B Top case 2 3 Three screws case 1Two screws case 1Two screws case 4Top case ...

Page 10: ...L knob Front panel 6POWER knob 2P VOLUME knob qaClaws 4 1 Connector PN101 White lever Insert a screwdriver to the square hole on the bottom and slide the white lever in the arrow Adirection to open the tray Then remove the tray door In the case of DECK B remove it in the same manner 3Connector CN701 2Connector CN702 8Front panel assy 6 7 A Claws Tray door CDR deck B Tray door DVD deck A 5Flat cabl...

Page 11: ...W7V 3 4 BACK PANEL 3 5 AUDIO BOARD 1Four screws 3X10 2 4 Two screws 3X8 BK 5Back panel 3Cord power Wire flat type PN501 4Two screws special 6AUDIO board 5Two screws special 3Connector CN103 2 1Connector PN3401 ...

Page 12: ... B 6Two screws special 2Two screws special 5DVD deck assy deck A 3Two screws special 1Wire flat type PN3402 7Two screws special 9 4 8 CD R deck assy deck B 3 6 POWER BOARD 3 5 Two screws special 6POWER board 2Two screws special 1Connector CN4012 4PWB holder ...

Page 13: ...holder assy 7 8 A 5 Two screws D2 0X6 9Sled base assy 4Push out the disc tray by pushing the Up Down guide un the drrow A direction 6Disc tray Up Down guide Main base Bottom view 7Two screws D2 0X6 2Two claws 1Three claws 4 3Wire flat type PMD03 BD board 2Wire flat type PMD02 5 ...

Page 14: ...mp holder assy 8 3 9 6 Two screws 2 0X10 PU mechanism assy 5Push out the disc tray by pushing the Up Down suide un the drrow A direction 7Disc tray Two claws 2 0 3 10 CD R BOARD DECK B 3Wire fiat type PN301 4Wire fiat type PN303 7 6 BD R board 5Wire flat type PN304 2Connector PN302 1Three claws ...

Page 15: ...ect in the SET UP MENU with M or m buttons and press ENTER button 8 Select 16 9 Wide in the TV Aspect with M or m buttons Don t press ENTER button 9 Press the numerical buttons 1 3 9 7 1 3 9 in the order and press ENTER button 10 The microcomputer version is displayed on the monitor screen MODEL SONY RCD W7V REGION NO 01 NATION US 00 RID LGESY0200001 UCOM P VO 1 20020204 01 UCOM R VO 1 20020102 01...

Page 16: ...ns on the remote commander SECTOR 200123 SECTOR UPPER BAR 0000 ERROR RATE LOWER BAR 0000 Error rate display SECTOR Current position of pick up UPPER BAR Peak to peak level of error rate LOWER BAR Average level of error rate Error rate specified value 30 or less 8 Adjust the R skew to minimize the error rate 9 Adjust the T skew to minimize the error rate 10 Adjust the R skew and T skew mutually sev...

Page 17: ...Select Transfer Rate 7 Click OK Fig 1 Dragon menu and setup menu windows Fig 2 Select I F method window LD Power Adjustment Jigs used on this adjustment LD Power Meter A laser power meter 10mW or more measurable is required Don t use the laser power meter for Mini disc because of 10mW max Optical power meter TQ8210 Product of ADVANTEST on the market A thin type optical sensor Q82017A Product of AD...

Page 18: ... case of setting the other to VWDC2 value Specification of each item 38400 3300 OFF_LEVEL 38400 3300 3 0 0 25V 10 VRDC_LEVEL 20000 880 VRDC_FPD 1320 2000 VWDC1_LEVEL 25000 8640 VWDC1_FPD 12960 10 VWDC2 1_FPD 9500 2000 VWDC2 2_FPD 16000 Procedure 1 Eject a disc from CD R 2 Select Laser Inspection on LD Inspection pull down menu then Laser Power Test window is open 3 Click Trigger to execute LD chec...

Page 19: ...Used on the Read Power setting in case of reading CD RW and CD R DAC value on 100mW VWDC There is VWDC1 Write power pin in the optical pick up block The recording power is set by it and VWDC2 Over drive pin Used on setting VWDC1 pin power on recording Unit DAC value 10mW VWDC2 Used on setting VWDC2 Over drive pin power on recording Unit DAC value 5mW VWDC2 Offset Used on setting VWDC2 Over drive p...

Page 20: ...nfirm that oscilloscope waveform is clear and check RF sig nal level is correct or not IC4B1 1 pin IC4B2 1 pin BD board oscilloscope SERVO Check Note Clear RF signal waveform means that the shape can be clearly distinguished at the center of the waveform RF signal waveform VOLT DIV 200mV TIME DIV 500ns 3T 0 55 0 07Vp p 11T 0 90 0 13Vp p 3T 11T TP4B3 IC4B1 ra pin IC4B2 1 pin BD board oscilloscope A...

Page 21: ...1 pin BD R board oscilloscope Note Clear RF signal waveform means that the shape can be clearly distinguished at the center of the waveform E F Balance 1 Track jump Check Procedure 1 Connect oscilloscope to TP TE1 and IC302 1 Pin 2 Turned Power switch on 3 Load a disc YEDS 18 and playback the number five track 4 Press the X button Becomes the 1 track jump mode 5 Confirm that the level B and A DC v...

Page 22: ...H adjustment for repair AC voltage readings in the bias oscillator with a level meter Voltages and waveforms are dc with respect to ground under no signal conditions no mark STOP PLAY REC CD R only Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to no...

Page 23: ... 5msec div 0 1 Vp p 0 5V div 5msec div 1V div 10µsec div 1V div 50nsec div 0 5 Vp p 6 IC501 td AD MCLK 3 4 Vp p 90nsec 30nsec 1V div 20nsec div 7IC501 t MCLK IN 1V div 20nsec div 8 IC207 rf 34MCLK 1 8 Vp p 29nsec 9 IC203 yh EXTAL 1 8 Vp p 20Msec 1V div 20nsec div 3 2 Vp p 0 44µsec 1V div 0 2µsec div 3 3 Vp p AUDIO SECTION 3 1 2 Q784 C Q786 C S VIDEO OUT MODE S VIDEO OUT MODE S VIDEO OUT MODE Q783 ...

Page 24: ...PT101 POWER FEED B IC102 SWITCHING IC101 REGULATOR VIDEIO OUT BITCK LRCK DATA F F 34V 8V 3 3V 5V Analog IN Optical IN Optical OUT Analog OUT H P OUT S VIDEO OUT Composite OUT OPT_ IN DVD CDR D OUT AD_DATA BITCK LRCK DATA CD DVD SECTION CD RW SECTION POWER SECTION I O SECTION FO TR SLED DM driver M63021FP DAC M62352 Focus IC4B3 Tracking Sled Spindle driver FAN8727 SDRAM IC4A3 1MX16 SDRAM 1MX16 DRAM...

Page 25: ...gnal Processor FDO TDO FMO loading drive FE TE RFRP SBADD DVD CD RF TEBAL FEBAL DPOCTL EQF EQB DRAM IC411 256K x 16bit ICADDR 0 8 ICDATA 00 15 MON SPINDLE_DRV SPINDLE_FG SLD_FG P 1 Digital Servo DVD SP 3301 IC410 Processor CD DVD GM72V161621 IC4A4 1M x 16bit SDRAM DVD_MA 0 11 DVD_LDQM DVD_SD CS1 DVD_MD 0 15 DVD_SD_CAS DVD_SD_RAS DVD_SD_CLK DVD MWE DVD_SD_CS0 DVD_UDQM Pb UPD780232 IC901 FL DISPLAY ...

Page 26: ...Controller IC203 IC502 HD64F 3062 z z z z z z z z z z System Control Read Channel Data Processor Servo Processor ATAPI Control Encoder Decoder OTI9790 CD Encode EFM Encode CD Decode ATIP CLV Control ATAPI I F Digital Servo Processor Focus Servo Tracking Servo Sled Servo Spindle Servo EFM decoding FPGA VC01S05 Switching Serial to Parallel Data conversion 20MHz X201 X TAL I2S FAO TAO DMO SLO SLED MO...

Page 27: ... L ANALOG IN L R RELAY DUBBING 3 L SVIDEO OUT OPTICAL IN COMPOSITE OPTICAL OUT Y Pb Pr 9 4 12 LY702 4 L 5 R 6 R R 7 FRONT VR902 ANALOG OUTPUT L R H P OUT FRONT VR903 HP_L 1 HP_R 3 C N 7 0 1 IC704 NJM5532 IC707 NJM4556 2 3 5 6 1 7 R_CHANNEL L_CHANNEL 1 3 7 5 8 7 L 6 R Q709 Q705 IC703 4W53 IC7V1 AK4382 DAC 9 10 11 12 2 3 4 LRCK DVD RW DATA DVD RW BICL DVD RW MCLK DVD RW N 5 0 1 LEVEL_SEL ANALOG DUBB...

Page 28: ... D106 C116 LPF L109 C127 LPF L110 C117 RECTIFIER D108 C119 LPF L105 C131 9 VA AC IN REG 3 3V IC103 REG 3 3V IC105 3 3 V 2 5 V 3 3 V REG 8V IC106 RECTIFIER D109 C123 D114 REG 8V IC108 8 V REG 8V IC107 8 V 12 V Front Front Front RW I O I O RW DVD I O DVD DVD RW RW DVD DVD LPF L103 C124 SWITCHING TR IC101 RECTIFIER BD101 TRANS PT101 LINE FILTER L101 C101 C102 ...

Page 29: ...4G8 2200P C4G7 0 1 C4J1 0 1 C4J2 0 1 C4J3 0 1 R4G8 100 R4G9 12k R4H1 10k R4H3 1k R4H2 0 R4H7 0 R4H5 0 R4H4 0 C4J8 0 1 C4J9 0 1 C4J0 0 1 560P C4K3 C4K2 560P C4K1 0 047 18 18 18 18 1k 1k R4J5 R4J2 R4J1 R4J3 R4J4 R4J6 16V 16V C4K7 C4K6 0 0 R4H9 R4H0 DAN202K D4B1 DAN202K D4B2 C4K8 0 033 0 033 C4K9 C4K0 0 1 C4L1 0 1 Q4B1 Q4B2 R4J0 3 3k R4J9 6 8k R4J8 1k R4J7 1k C4L2 0 1 C4L3 0 1 R4K9 100 R4K0 10k R4M3 ...

Page 30: ...DATA13 ICDATA14 ICDATA15 ICADDR0 ICADDR1 ICADDR2 ICADDR3 ICADDR4 ICADDR5 ICADDR6 ICADDR7 ICADDR8 RAS UCAS LCAS WE OE ICDATA15 ICDATA14 ICDATA13 ICDATA12 ICDATA11 ICDATA10 ICDATA09 ICDATA08 ICDATA00 ICDATA01 ICDATA02 ICDATA03 ICDATA04 ICDATA05 ICDATA06 ICDATA07 ICADDR0 ICADDR1 ICADDR2 ICADDR3 ICADDR4 ICADDR5 ICADDR6 ICADDR7 ICADDR8 LCAS UCAS OE WE RAS CNIN DRV SEL VREFN VREFP TZC MIRR VREFN VREFP S...

Page 31: ... C4F1 C4D3 L4A7 27MHz X4A1 R4F2 100 R4B8 100 R4F1 100 GM72V161621 0 1 0 1 GM72V161621 0 1 0 1 C4E7 C4E8 C4E9 C4E0 3 3 3 3 R4E1 R4E2 L4A2 L4A1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 C4B2 C4B1 C4A0 C4A9 C4A8 C4A7 C4A6 C4A3 2 2 2 2 C4A4 0 01 0 01 C4A2 C4A1 0 1 C4A5 IC4A1 VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VDD 3 3 VDD 3 3 VDD 3 3 VDD 3 3 VDD 3 3 VDD 3 3 VDD 3 3 VDD 3 3 VDD 3 ...

Page 32: ...9 A20 A21 IOCS1 MICOM WAIT A06 A07 A08 A09 A10 A11 A12 A13 A14 A15 A16 A17 A18 ROM CS CASH CASL RAS REC SIO EN A E ENA REC SIO EN A ACT MUTE A02 A00 A01 X FPGA RST EXP W2 DOWN OPTION D00 D01 D02 D03 D04 D02 D03 D04 D00 D01 DAC RST AS PRG EN FPGA CS PLL LATCH VEE VCC IN2 IN2 OUT2 OUT1 IN1 IN1 COMPARATOR IC407 NJM2100 COMPARATOR IC404 IC408 MM74HCT244 IC405 74VHC374MCTX IC403 IC402 V53C16256HK IC401...

Page 33: ...D CLK REC FLD RXD REC FLD TXD FLD TXD PP CS MICOM WAIT D DAC CS DSP CS PP CS OPEN SW CLOSE SW MPEG ERROR SENS D00 MPEG RST MPEG WAIT FLD CLK FLD TXD FLD RXD MODE SW 5VD PWR CTL 23VA 28VA 34V M REQ SYSTEM SW DO0 DO1 DO2 DO3 DO4 DO5 DO6 DO7 MPEG ERROR DGND 5VD 3 3V 8VA PWR CTL AGND 5 2VA 21VA 17MHZ RESMAP2 WFPDSH WBLSH SPDSH MPDSH TDI TMS TCK GND RFPDSH ROPCON HFSW EFM2 EFM1 WGATE VCC GND TDO LDON 3...

Page 34: ...C4D1 C4C0 R4D8 C4E1 C4D0 C4D9 C434 C443 C444 L4A2 C4A2 C4A1 L415 R457 R455 R453 R451 C431 TP472 TP4B2 TP4B4 C4J2 C4H8 TP456 20 23 10 15 5 1 C4J1 R4G8 C4J0 R4G9 PN3403 R478 C462 C465 C464 L412 R489 R483 R485 R492 R484 R482 C425 R430 R408 ZD402 R418 R419 C411 10 R468 R467 R466 L407 L408 12 1 11 R5H3 R4H9 IC409 IC407 IC404 PN3401 IC403 IC406 IC405 IC411 C4B6 C4B8 C4B7 C4B9 C424 R4B0 R448 C4C1 C4B0 C4...

Page 35: ...24 TP423 C403 TP425 TP441 TP436 TP434 TP432 TP438 TP408 TP402 TP403 TP401 TP440 TP404 TP400 TP409 TP422 R425 TP442 C407 TP412 TP414 TP411 TP410 C4M5 R424 L403 R423 C406 29 56 112 1 1 10 20 11 28 84 57 85 C408 X401 L404 ZD401 C451 C4K2 C4K3 C4K8 C4K9 R4H6 R4H7 R472 TP471 R473 TP477 C452 R474 C456 R476 C454 L413 C4J5 R4H5 C4J9 R477 C446 C450 C466 C430 R494 R493 15 10 5 1 TP484 TP248 TP249 TP247 TP47...

Page 36: ...CNT DACS DACLK DADATAO DRV EN SLD MOVE A SLD MOVE B TX TRK TRK FCS FCS TRAY TRAY TRAY TRAY FCS FCS TRK TRK OSCEN ODON W XR ENBL BLEVEL0 FPDO SPNBOOST SLD IN SW RFPDSH WBLSH SPDSH MPDSH AGCON WLDON CXACLK CXADATAO CXACS XTOK RECD1 FLAGC RPBC RX FAO FPDO CXA ON TFGCNT SPNBOOST WBLIN ROPCSH E CE DMO MPXO TRACKING COIL FOCUS COIL MOTOR SPINDLE U W V GND HV H HU HU HW HW HV H SLEDIN SW M401 MOTOR LOADI...

Page 37: ...A CS3 HD 0 HD 1 HD 2 HD 3 HD 4 HD 5 HD 6 HD 7 HD 8 HD 9 HD 10 HD 11 HD 12 HD 13 HD 14 HD 15 WRSMP ROEB RCAS0B RCAS1B ROEB RCAS0B RCAS1B DMO OAK RST ROUT DLRCK DBCK MCK 33M LDON MONITO CDR RST WBLIN FLAGC HFSW WGATE FLAGA FLAGB UA8 UA7 UA6 UA5 UA4 UA3 UA2 UA1 UA0 URDY UINT0 UINT1 UCS0 UCS1 URD UWR URD PRST CPUTYPE VSS VDD VSS VDD VDD VSS UAD0 UAD1 UAD2 UAD3 UAD4 UAD5 UAD6 UAD7 HD7 HD8 HD6 HD9 HD5 H...

Page 38: ...RDATA DA RCLK REC AS RXD SLD IN SW DA RCS REC SIO EN UINT0 UINT1 ESFS BTS RXD BTS TXD FWMD2 FWMD2 BTS RXD BTS TXD ATIP EFM ATIP EFM WR RE WR RE CDR RW CDR RW ROPCON ROPCON SDATA IN SDATA IN URD UWR URDY FLAGB FLAGA OAK RST UCS1 UCS0 RESAMP2 DRV EN SRC CLK SRC CS SRC RST SRC DATA DUB START AGCON SLD MOVE A FPDO SLD MOVE B MPXO ASYM2 ASYM1 BLEVEL0 XTOK DUB TRK INC WLDON W XR OSCEN ENBL ODON FWE VSS ...

Page 39: ...XCK RXP SW LRCK SW BCK SW DATA SRC CLK SRC DATA SRC INT REC SIO EN REC AS RXD REC TXD SW LRCK SW BCK SW DATA AD DATA MCLK IN AD MCLK RW DOUT HD 4 HD 10 HD 5 HD 9 HD 6 HD 8 HD 7 HD 15 HD 0 HD 14 HD 1 HD 13 HD 2 HD 12 HD 3 HD 11 MCLK IN RW DATA RW LRCK RW CLK RW DOUT CDR RST MCK 33M MCK 33M CS1 CS1 FPGA WD D DAC DATA FPGA CLK D DAC CLK EMPH RXP RXN VA AGND FILT RST RMCK RERR ILRCK ISCLK SDIN TXP TXN...

Page 40: ...1 C542 C505 R531 R529 C512 C513 C514 C515 PN301 1 31 2 32 C311 C306 C339 D301 R337 C364 C365 C341 R336 C340 C369 C371 C362 C372 C374 R369 R358 R353 C399 C354 C386 R356 Q301 C302 Q302 L306 C387 R376 R375 R396 R398 C385 R3A1 C382 C384 C338 C381 R3C1 L502 R236 R237 C254 R254 R253 R252 R259 R266 R267 R286 C263 C264 C265 C266 C290 C291 R271 C260 R264 R263 R265 R287 R269 R270 C268 C262 R262 C256 R268 R2...

Page 41: ...3 C351 C350 C346 R357 R551 R556 R559 R552 R553 C343 R354 R355 C345 R394 R395 TP210 3 1 2 4 5 TP255 50 51 60 70 75 40 30 R284 R285 C277 R277 R261 C259 R255 R281 R247 R250 R248 10 1 40 42 30 C322 C3A2 DRV EN 21 22 R313 C325 R314 R317 R318 R249 C252 R231 R232 R233 R234 SPNBOOST C370 C368 C367 C396 R3K1 R307 C308 L504 C395 R280 R283 R251 R4G1 TP225 R291 TP226 R290 R315 R316 C3A1 PN302 1 2 C327 C326 R3...

Page 42: ...7 C725 R763 R7A4 CN501 R779 R750 R749 R748 R740 C740 IC706 IC7V1 R737 R738 IC704 R736 C758 R775 R776 R7Z1 R765 R707 R706 R7A2 C708 R778 C722 R7A1 R767 R733 C791 R702 R7A3 C778 C707 R771 R772 R701 C703 C767 R734 C746 R7Z2 C732 L703 C730 L704 R781 R783 R777 R798 R799 R766 R780 R773 R774 R785 C773 R784 R741 R770 R786 R720 R719 R782 C739 C737 C70B R735 R744 R743 C70C R788 R789 C763 C765 L7V1 R7V4 C7V7...

Page 43: ...5 6B 5 6B 5 6B 5 6B 5 6B 5 6B 0 100 16V 0 1 1000p 470 6 3V 0 1 2 2k 2 2k 0 1 0 1 0 1 0 1 1k 0 1 47 35V 4 7k 1k 74HCU04 47 35V 18k 220p 1k 22 22 7 5k 3 3k 3 3k 18k 7 5k 1 2k 100 10V 100 10V 1 2k 1 2k 100 10V 1 2k 100 10V 18k 1k 2 2k DGND C R Pr CVBS G Y SYSTEM SW CVBS 16 9 VIDEO SW A LEVEL IN A MUTE V MUTE 5VD AGND 8VA 8VA AGND AGND 12V GND HP L HP R GND GND R IN R OUT L OUT L IN GND GND GND GND GN...

Page 44: ...1 R931 R930 R910 R911 R951 R938 R981 R956 R955 AMS R952 R953 R957 C909 C912 C908 C920 C919 X901 LD903 CD R LD904 CD RW LD905 CD LD902 CD LD901 DVD B C E Q904 B C E B C E Q901 Q902 B C E B C E 1 2 19 20 D BD BOARD Page34 SW909 PUSH ENTER L902 O x h Z X VR902 R904 R902 R905 R903 SW901 PN905 PN903 SW902 SW907 REC REC LEVEL SW904 SW903 1 6 1 x h Z X L971 L972 L970 VR903 POWER LEVEL PHONES JK901 R971 P...

Page 45: ...7 16V 1k 10k 47k 1k TW 47 16V 47 50V 0 1 0 1 20P 4 7k 8 2k 27k 15k 680 4 7k 8 2k 15k 27k 3 3k 68k 10k 10k 0 1 680 820 1 2k 1 5k 2 2k 3 3k 330 0 01 47 16V 0 1 820 1 2k 1 5k 2 2k 3 3k 3P 20K 20K 0 1 0 1 0 1 10 16V 0 1 2P G1 G2 G3 G4 G5 G6 G7 G8 G9 G10 G11 G12 G13 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 P20 G1 G2 G3 G4 G5 G6 G7 G8 G9 G10 G11 G12 G13 P1 P2 P3 P4 P1 P2 P3 P4 P5 P6 P7 P8 ...

Page 46: ...047 0 022 0 1 250V 0 1 100k 2W 2 7 2W 330 EU01W EU01W 47 50V 220 10V EU01W 1000 16V 1000 16V EG01CW 47 50V EU01W T1 6A 250V 0UH 47 50V S1WBA60 180 1k 4 7k 100 16V RL104 0 1 100 16V 47 16V 1000 16V RU3YX 100 16V 100 16V 4 7 50V 4 7 50V 4 7k 1000 6 3V 1000 6 3V RL104 8P 8P 12P 10 16V 10 16V 5 1B 47 16V ERC18 B10A45V1 39 150 250V 100 16V JW AC IN STR G6153 KA431 AGND DGND GND POWER TRANSFORMER SWITCH...

Page 47: ...ORMER D101 D120 D102 D107 D108 D110 D109 D106 G A K 1 3 5 2 4 IC102 1 2 4 3 IC108 IC109 3 3 1 3 1 3 1 IC106 1 IC107 IC103 1 IC105 4 4 1 D111 PN104 D114 ZD101 L105 L109 L103 L110 BC101 8 1 CN103 1 8 PN102 F102 J103 J105 F103 F104 1 12 C BD BOARD Page34 F BD R BOARD Page40 G AUDIO BOARD Page42 POWER BOARD HP BOARD Page44 AC IN 1 2 J 2 3 4 5 A 1 B C D E F G H I BD101 G 3 D101 F 3 D102 F 4 D106 D 4 D1...

Page 48: ... lower byte output to DRAM 52 VSS Ground 53 V_MUTE O Video mute signal output 54 RAS O RAS signal output to DRAM 55 REC_SIO_EN O SIO enable output to CDP 56 MICOM_WAIT I MICOM wait signal input 57 WR O Data write signal output 58 E_SOUT I Serial data input 59 RD O Data read signal output 60 DSP_SENSE I SENSE signal input to DSP 61 VSS Ground 62 E_SIN O Serial data output 63 E_CLK O Clock signal ou...

Page 49: ...ut 93 LOCK I CLV servo lock signal input from DSP 94 DEFECT I Defect signal input 95 FOK I Focus OK signal input 96 VSS Ground 97 IIC_DATA I O IIC bus data input output 98 IIC_CLK I O IIC bus clock input output 99 VCC Power supply 3 3V 100 LOAD_CTL O Loading motor control signal output 101 LD_ON O Laser ON OFF control signal output 102 S_DATA O Serial I F data output 103 S_CLK O Serial I F clock o...

Page 50: ...t used 21 WR O Write enable signal output to DOWNLOAD jig 22 MICOM_WAIT O Requests the insertion of wait states into the bus cycle when the external address space is accessed 23 N C Not used 24 TDO O Not used 25 GND Ground 26 VCC Power supply 5V 27 RF_LAT O Latch signal output to SSI33P3721 28 A21 I O Memory address access 29 A20 I O Memory address access 30 A19 I O Memory address access 31 MPEG_W...

Page 51: ...elect signal output 21 EP_CS O EPROM chip selector signal output 22 VSS Ground 23 CXA_CS O CXA3558R chip select signal output 24 CDA_CS O DAC chip select signal output 25 TP I O I O Not used Pull down 26 TP I O I O Not used 27 to 34 UAD0 to 7 I O Data BUS 35 VCC Power supply 36 to 43 UA0 to 7 O Address BUS 44 VSS Ground 45 UA8 O Address BUS 46 OPEN_SW I OPEN switch signal input 47 LOAD_SW I LOAD s...

Page 52: ...D_ERR I AD signal for sled control 83 FPDO I Laser power monitoring voltage input 84 SLD_MOVE_A O Sled kick level output 85 SLD_MOVE_B O Sled kick level output 86 AVSS Ground 87 ESFS I Encoding subframe FS signal input from OTI 9790 88 UINT0 I Interrupt signal input from OTI 9790 89 UINT1 I Interrupt signal input from OTI 9790 90 ADTRIG I AD trig signal input from CST0100C 91 OPTION 2 I Not used 9...

Page 53: ...k up 21 ODON O Over drive enable signal output 22 MONITO I Monitoring signal input 23 LDON I Laser diode ON OFF control signal input 24 TDO Not used 25 GND Ground 26 VCC Power supply 5V 27 WGATE I WGATE signal input from OTI9790 28 HFM ON Not used connected to VCC 29 EFM1 I WE1 control signal from OTI9790 30 EFM2 I ODON control signal from OTI9790 31 HFSW I HFSW signal input from OTI9790 32 ROPCON...

Page 54: ...D AVSS AVSS R OUT L OUT VDD VSS VDD VSS VDD VSS VDD VSS SBRK MON VDD5 C34M FG REVDET TEST1 TEST0 SLO DMO AVSS AVDD DPLOCK DEFS ION MPWM VREF ENCODER CD VREF DECODER U COM INTERFACE CD DA CLOCK ENCODER CIRC ENCODER CIRC 4k SRAM ENCODER CIRC 4k SRAM ENCODER MOTOR SPINDLE CONTROLLER 0 1 DMCON ATIP DRAM ATAPI SECTOR PROCESSROR BUFFER MANAGER SUBCODE OPERATOR SUBCODE RCASH RCASL ROE RWE RRAS HRST HDASP...

Page 55: ...11 12 13 14 19 18 17 16 15 24 23 22 21 28 27 26 25 20 FG VH ECR EC VCC2 PC1 SB SIGGND VM CS1 SS DIR A2 OPIN PWR GND A1 OPIN A3 VCC1 OPOUT DI2 DI4 AVM12 DI3 DO4 DO3 DO3 DO4 BTLPGND AVM3 BTLPGND1 DO2 DO1 DO2 DO1 DI1 H1 H1 H2 H2 H3 H3 MUTE4 AVM4 MUTE1 2 BTLSGND BIAS MUTE3 Hall Amp MUTE12 MUTE3 MUTE4 Distributor Logic Detection Reverse Rotation Short Brake FG Generator Hall Bias 6 5 4 3 2 1 12 11 10 9...

Page 56: ...entified by mark or dotted line with mark are critical for safety Replace only with part number specified When indicating parts by reference number please include the board name 1 2 3 4 5 6 7 7 7 7 8 10 11 not supplied not supplied not supplied not supplied not supplied FLD901 7 9 10 10 15 12 1 4 235 379 01 KNOB REC VOL 2 4 241 170 01 DOOR TRAY CDR 3 4 241 171 01 DOOR TRAY DVD 4 4 235 378 01 KNOB ...

Page 57: ... 11 WIRE FLAT TYPE 30 CORE 58 1 824 265 11 WIRE FLAT TYPE 30 CORE 59 A 4728 642 A POWER BOARD COMPLETE 60 A 4728 643 A AUDIO BOARD COMPLETE 061 1 823 044 11 CORD POWER 62 4 241 178 01 CLAMP CORD 63 4 241 184 01 SCREW SPECIAL 64 4 241 175 01 CHASSIS MAIN 65 4 241 177 01 SUPPORTER PU 66 4 241 182 01 PLATE GND 67 4 241 183 01 SCREW SPECIAL 3X6 FZMY 68 4 241 179 01 HOLDER PWB JOBS 16R 69 4 241 181 01 ...

Page 58: ...7 4 241 351 01 GEAR LOADING 108 4 241 347 01 BELT LOADING 109 4 241 348 01 GEAR PULLEY 110 4 241 352 01 GUIDE UP DOWN 111 4 241 360 01 TRAY DISC 112 4 241 361 01 HOLDER CLAMP 113 4 241 353 01 SCREW B TITE 114 4 241 357 01 CLAMP ASSY DISC DP4 115 4 241 339 01 PLATE CLAMP 116 4 241 340 01 MAGNET CLAMP 117 4 241 341 01 CLAMP UPPER 118 4 241 345 01 RUBBER DAMPER 119 4 241 359 01 BASE ASSY SLED 120 4 2...

Page 59: ...BBER FRONT 154 4 235 384 01 BASE UP DOWN 155 4 235 407 01 GEAR LOADING 156 4 235 381 01 BELT 157 4 235 382 01 GEAR PULLEY 158 4 235 387 01 GUIDE UP DOWN 159 4 235 386 01 BASE MAIN 160 4 235 388 01 TRAY DISC 161 4 241 166 01 HOLDER ASSY CLAMP 162 4 241 167 01 CLAMP ASSY DISC 163 4 235 404 01 HOLDER CLAMP 164 4 235 419 01 SCREW 2X6 165 4 241 217 01 MECHANISM ASSY PU 166 4 241 168 01 SCREW 2 0X10 167...

Page 60: ...uF 100V C730 1 163 259 91 CERAMIC CHIP 220PF 5 50V C731 1 126 965 91 ELECT 22uF 20 50V C732 1 163 259 91 CERAMIC CHIP 220PF 5 50V C733 1 126 965 91 ELECT 22uF 20 50V C737 1 165 319 11 CERAMIC CHIP 0 1uF 50V C739 1 165 319 11 CERAMIC CHIP 0 1uF 50V C740 1 165 319 11 CERAMIC CHIP 0 1uF 50V C742 1 165 319 11 CERAMIC CHIP 0 1uF 50V C744 1 104 665 11 ELECT 100uF 20 10V C746 1 163 253 11 CERAMIC CHIP 12...

Page 61: ... 1 216 049 11 RES CHIP 1K 5 1 10W R738 1 216 057 00 METAL CHIP 2 2K 5 1 10W R740 1 216 049 11 RES CHIP 1K 5 1 10W R741 1 216 079 00 METAL CHIP 18K 5 1 10W R742 1 216 051 00 METAL CHIP 1 2K 5 1 10W R743 1 216 009 91 RES CHIP 22 5 1 10W R744 1 216 009 91 RES CHIP 22 5 1 10W R745 1 216 089 91 RES CHIP 47K 5 1 10W R746 1 216 057 00 METAL CHIP 2 2K 5 1 10W R747 1 216 057 00 METAL CHIP 2 2K 5 1 10W R748...

Page 62: ...5V C450 1 124 779 00 ELECT CHIP 10uF 20 16V C451 1 131 992 11 CERAMIC CHIP 100000PF 35V C452 1 131 992 11 CERAMIC CHIP 100000PF 35V C453 1 131 992 11 CERAMIC CHIP 100000PF 35V C454 1 126 204 11 ELECT CHIP 47uF 20 16V C455 1 131 992 11 CERAMIC CHIP 100000PF 35V C456 1 164 337 11 CERAMIC CHIP 2 2uF 16V C457 1 131 992 11 CERAMIC CHIP 100000PF 35V C459 1 131 992 11 CERAMIC CHIP 100000PF 35V C460 1 131...

Page 63: ...HIP 0 033uF 25V C4L0 1 131 992 11 CERAMIC CHIP 100000PF 35V C4L1 1 131 992 11 CERAMIC CHIP 100000PF 35V C4L2 1 131 992 11 CERAMIC CHIP 100000PF 35V C4L3 1 131 992 11 CERAMIC CHIP 100000PF 35V C4L4 1 131 992 11 CERAMIC CHIP 100000PF 35V C4L5 1 131 992 11 CERAMIC CHIP 100000PF 35V C4L6 1 162 969 11 CERAMIC CHIP 0 0068uF 10 25V C4L7 1 162 968 11 CERAMIC CHIP 0 0047uF 10 50V C4L8 1 162 995 11 CERAMIC ...

Page 64: ...L CHIP 100 5 1 16W R451 1 216 809 11 METAL CHIP 100 5 1 16W R452 1 216 809 11 METAL CHIP 100 5 1 16W R453 1 216 809 11 METAL CHIP 100 5 1 16W R454 1 216 809 11 METAL CHIP 100 5 1 16W R455 1 216 809 11 METAL CHIP 100 5 1 16W R456 1 216 809 11 METAL CHIP 100 5 1 16W R457 1 216 809 11 METAL CHIP 100 5 1 16W R458 1 216 833 11 METAL CHIP 10K 5 1 16W R459 1 216 817 11 METAL CHIP 470 5 1 16W R460 1 216 8...

Page 65: ... 6 8K 5 1 10W R4K0 1 216 833 11 METAL CHIP 10K 5 1 16W R4K1 1 216 830 11 METAL CHIP 5 6K 5 1 16W R4K2 1 216 836 11 METAL CHIP 18K 5 1 16W R4K3 1 218 867 11 RES CHIP 6 8K 5 1 10W R4K4 1 218 867 11 RES CHIP 6 8K 5 1 10W R4K5 1 216 847 11 METAL CHIP 150K 5 1 16W R4K6 1 216 847 11 METAL CHIP 150K 5 1 16W R4K7 1 216 840 11 METAL CHIP 39K 5 1 16W R4K8 1 216 840 11 METAL CHIP 39K 5 1 16W R4K9 1 216 809 1...

Page 66: ... 10 25V C316 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C317 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C318 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C319 1 162 959 11 CERAMIC CHIP 330PF 5 50V C320 1 131 992 11 CERAMIC CHIP 100000PF 35V C321 1 165 589 21 ELECT CHIP 220uF 6 3V C322 1 131 992 11 CERAMIC CHIP 100000PF 35V C325 1 131 992 11 CERAMIC CHIP 100000PF 35V C326 1 162 966 11 CERAMIC CHIP 0 0022uF 10...

Page 67: ... IC M62352GP 75E IC305 8 759 338 95 IC NJM2903V TE2 IC306 8 759 058 43 IC NJM3404AV IC307 6 702 232 01 IC NC7SZ66M5X IC308 8 759 082 58 IC TC7W08FU TE12R IC501 6 801 923 01 IC VC01S05 IC502 6 700 346 01 IC CS8420 CSR IC503 8 759 082 61 IC TC4W53FU TE12R IC504 8 759 082 61 IC TC4W53FU TE12R COIL L201 1 412 058 11 INDUCTOR CHIP 10uH L301 1 412 058 11 INDUCTOR CHIP 10uH L302 1 412 058 11 INDUCTOR CHI...

Page 68: ...TAL CHIP 2 2 5 1 10W R315 1 216 835 11 METAL CHIP 15K 5 1 16W R316 1 216 835 11 METAL CHIP 15K 5 1 16W R317 1 216 298 00 METAL CHIP 2 2 5 1 10W R318 1 216 298 00 METAL CHIP 2 2 5 1 10W R319 1 216 801 11 METAL CHIP 22 5 1 16W R320 1 216 801 11 METAL CHIP 22 5 1 16W R321 1 216 801 11 METAL CHIP 22 5 1 16W R322 1 216 801 11 METAL CHIP 22 5 1 16W R323 1 216 839 11 METAL CHIP 33K 5 1 16W R324 1 216 826...

Page 69: ...TAL CHIP 0 5 1 16W R542 1 216 864 11 METAL CHIP 0 5 1 16W R543 1 216 864 11 METAL CHIP 0 5 1 16W R544 1 216 864 11 METAL CHIP 0 5 1 16W R551 1 218 867 11 RES CHIP 6 8K 5 1 10W R552 1 218 867 11 RES CHIP 6 8K 5 1 10W R553 1 218 867 11 RES CHIP 6 8K 5 1 10W R555 1 216 864 11 METAL CHIP 0 5 1 16W R556 1 216 864 11 METAL CHIP 0 5 1 16W R557 1 216 809 11 METAL CHIP 100 5 1 16W R559 1 216 864 11 METAL C...

Page 70: ... R954 1 249 419 11 CARBON 1 5K 5 1 4W F R955 1 249 421 11 CARBON 2 2K 5 1 4W F R956 1 247 843 11 CARBON 3 3K 5 1 4W R957 1 249 425 11 CARBON 4 7K 5 1 4W F R958 1 249 428 11 CARBON 8 2K 5 1 4W F R959 1 249 431 11 CARBON 15K 5 1 4W R960 1 249 434 11 CARBON 27K 5 1 4W R980 1 247 807 31 CARBON 100 5 1 4W R981 1 247 807 31 CARBON 100 5 1 4W R982 1 247 807 31 CARBON 100 5 1 4W R983 1 247 807 31 CARBON 1...

Page 71: ...ARD COMPLETE CONNECTOR PN903 1 816 677 11 CONNECTOR BOARD TO BOARD 8P RESISTOR R902 1 249 416 11 CARBON 820 5 1 4W F R903 1 249 418 11 CARBON 1 2K 5 1 4W F R904 1 249 419 11 CARBON 1 5K 5 1 4W F R905 1 249 421 11 CARBON 2 2K 5 1 4W F SWITCH SW901 1 572 184 11 SWITCH KEYBOARD OPEN CLOSEA SW902 1 572 184 11 SWITCH KEYBOARD G SW903 1 572 184 11 SWITCH KEYBOARD x SW904 1 572 184 11 SWITCH KEYBOARD X S...

Page 72: ...page Ver Date Description of Revision 1 0 2001 12 New 1 1 2002 05 Addition of Servicing Note General Disassembly Test mode Electrical adjustment Schematic Diagram Printed Wiring boards IC Pin Function Description IC Block Diagrams Exploded views and Electrical Parts list Change of Block Diagram 1 2 2002 09 The parts with Ref No 13 14 have been not supplied in the exploded views SPM 02077 ...

Reviews:

No comments

Brands by name

Popular brands

Load more brands