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Samsung DVD-907, Service Manual

Introducing the Samsung DVD-907 - a sleek and versatile multimedia player designed to elevate your entertainment experience. Unlock its full potential by accessing the comprehensive Service Manual provided free of charge on our website. Equip yourself with all the necessary instructions and technical details to maximize your viewing pleasure. Download it now at manualshive.com.

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IC Descriptions

6-12

Samsung Electronics

/CCE

BUCK

TEST1

TEST2

BUS0

BUS1

BUS2

BUS3

RPSEL

DFS

ALE

VCC

AD0

AD1

AD2

AD3

AD4

AD5

AD6

AD7

AD8

AD9

AD10

AD11

AD12

AD13

AD14

AD15

P96

P97

Test1

Test2

PA0

PA1

PA2

PA3

PA4

PA5

PA6

PA7

ALE

VCC

P00

P01

P02

P03

P04

P05

P06

P07

P10

P11

P12

P13

P14

P15

P16

P17

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

O

O

O

I

I/O

I/O

I/O

I/O

O

O

O

O

O

O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

Digital Servo Chip Enable

Digital Servo I/F Clock

Digital Servo I/F Data 0

Digital Servo I/F Data 1

Digital Servo I/F Data 2

Digital Servo I/F Data 3

Ripple Detect Output S/W

“H”=96KHz

Address Chip Enable

+5V

Address/Data Bus0

Address/Data Bus1

Address/Data Bus2

Address/Data Bus3

Address/Data Bus4

Address/Data Bus5

Address/Data Bus6

Address/Data Bus7

Address/Data Bus8

Address/Data Bus9

Address/Data Bus10

Address/Data Bus11

Address/Data Bus12

Address/Data Bus13

Address/Data Bus14

Address/Data Bus15

VREFL

AVSS

AVCC

SRQ

RRQ

LDON

SLEDOUT

SLEDIN

SLEDFG

DSPLT

DIF2

ML1

SBSY

DVDINT

MRST

DPINT

TXD

RXD

SCLK

MD

ML2

MC

AM8/16

CLK

V

CC

Vss

X1

X2

EA

RESET

NMI

P70

P71

P72

P73

P80

P81

P82

P83

P84

P85

P86

P87

P90

P91

P92

P93

P94

P95

AM8/16

CLK

V

CC

V

SS

X1

X2

EA

Reset

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

I

I

I

I

O

O

O

O

I

O

O

O

I

O

O

I

O

I

I

O

O

O

I

O

I

I

I

O

I

I

FUNCTION

PIN

I/O NAME

Reference Voltage Input to A/DC(

¡

L

¡–

)

GND pin for A/D Converter(0V)

Power supply pin for A/D Converter

Fromt Micom - -> Main Micom Request

Fromt Micom <- - Main Micom Request

Laser On (“H”=on)

Forward Slide Move

Reverse Slide Move

Hall Count Input

Sony DSP Data Latch

AKM4324 Control(“L”=16/20bit, “H”=24bit)

Audio DAC Data Latch 1

SUBQ Block Sync. Signal INT.

A/V Decoder INT.

LSI Reset

Data Processor INT.

Front Micom Trans. Data

Front Micom Receive Data

Front Micom Communication Clock

Audio DAC Trans. Data

Audio DAC Data Latch 2

Audio DAC Trans. Clock

8bit External Data Bus Width(

¡

H

¡–

)

Clock Output(System Clock/2)

Power Supply Pin(+5V)

GND Pin(0V)

20MHz

20MHz

TMP93CS41F:

¡–

L

¡–

Micom Rest Input

FUNCTION

PIN 

I/O

NAME

PIN ASSIGNMENT

Summary of Contents for DVD-907

Page 1: ...rating Instructions 5 Disassembly and Reassembly 6 IC Descriptions 7 Circuit Descriptions 8 Troubleshooting 9 Exploded Views and Parts List 10 Packing Diagram 11 Electrical Parts List 12 Block Diagram 13 PCB Diagrams 14 Wiring Diagram 15 Schematic Diagrams Manual DIGITAL VERSATILE DISC PLAYER CONTENTS DVD 907 DVD 927 ...

Page 2: ...derwriters Laboratories UL 1270 40 7 With the instrument s AC switch first in the ON position and then in the OFF position measure from a known earth ground metal waterpipe conduit etc to all exposed metal parts of the instrument anten nas handle brackets metal cabinets screwheads metallic overlays control shafts etc especially any exposed metal parts that offer an electrical return path to the ch...

Page 3: ... of place or frayed wiring Do not change spacing between a componect and the printed circuit board Check the AC power cord for damage 5 Components parts and or wiring that appear to have overheated or that are otherwise damaged should be replaced with components parts and or wiring that meet original specifications Additionally determine the cause of overheating and or damage and if necessary take...

Page 4: ...autions are indicated or printed on the cabinet chassis or components When servic ing follow the printed or indicated service precau tions and service materials 3 The components used in the unit have a specified flame resistance and dielectric strength When replacing components use components which have the same retings Components identified by shading by x or by in the circuit diagram are importa...

Page 5: ... Use only a grounded tip soldering iron to solder or unsolder ESD devices 4 Use ouly an anti static solder removal devices Some solder removal devices not classified as anti static can generate electrical charges suffi cient to damage ESD devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damge ESD devices 6 Do not remove a replacement ESD device fro...

Page 6: ... as the sheet 4 Romove the optical pick up block 5 Perform work on top of the conductive sheet Be careful not to let your clothes or any other static sources to touch the unit Be sure to put on a wrist strap grounded to the sheet Be sure to lay a conductive sheet made of copper etc Which is grounded to the table Fig 1 3 6 Short the short terminal on the PCB which is inside the Pick Up ASS Y before...

Page 7: ...e the deck 4 Disassemble the deck PCB 5 Replace the Pick up 1 5 2 Assembly 1 Replace the Pick up 2 Assemble the deck PCB 3 Reassemble the deck 4 Switch LD SW3 on deck PCB to O and insert FPC into Main PCB CN1 See Fig 1 4 O S LD SW3 FPC 1 5 Pick up disassembly and ressembly Note If the assembly and disassembly are not done in correct sequence the Pick up may be damaged Fig 1 4 ...

Page 8: ...Samsung Electronics 2 1 2 Reference Information 2 1 Semiconductor Base Diagram Fig 2 1 RQ1 SS9012 S9012 G 634 E B C D G S K184 Y 6A SQ1 K184 ...

Page 9: ...ter installing cold solder joints etc 2 2 1 Precaution for the chip Replacement The tools for the chip replacement are as follows 1 Thin tip type soldering iron 2 Small flat blade tip type soldering iron 3 Special desoldering tip iron 4 Airblower unit 5 Flat Package Pick up 6 Flux can be cleaned by water 7 0 3mm thin solder can be cleaned by water 8 Desoldering wire 9 Tweezers 2 2 2 Tools for the ...

Page 10: ...ads When the solder melts carefully twist the iron Raise and remove the IC 2 Using shaped airblower unit Select the correct nozzle Select the temperature and airblow suggested temperature 7 airblow 4 Engage the IC removing tool Use the airblow to preheat the IC for about 5 seconds then heat with the nozzle until the IC remover lifts the part from the board IC Fig 2 4 Installing the Part 1 Use deso...

Page 11: ...Precautions 2 4 Samsung Electronics MEMO ...

Page 12: ...V D D 5 M D 7 M D 6 M D 5 M D 4 M D 3 M D 2 M D 1 M D 0 Memory I F De Scrambler ECC 8 16 DEM Sync Det Control Circuit Frame Sync Sector Sync Frame Number Correction PWM CLV Contol RF Signal Process PLL SVCK PFCK HOST INTERFACE ECC STATUS OUT UNIVERSAL PWM DPCK SVCK E D 3 E D 2 E D 1 E D 0 P L C K H A I H A 0 H I N T D V D D 5 D V S S H D 7 H D 6 H D 5 H D 4 H D 3 H D 2 H D 1 H D 0 H C E N H D R D ...

Page 13: ...s output ED7 TEST PDON PDOP TMAX LPFN LPFO VCOF SLCO AVSS AVR VRC PVR AVDD RVR2 RVDD RFIN RVSS RVR1 DVR DMO RASN CASN MOEN MWEN DVSS1 DVDD1 MA9 MA8 MA7 MA6 MA5 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 Extension data bus I O Test mode input Phase error signal output polarity Phase error signal output polarity RLL detecting result output Inverti...

Page 14: ...I O External RAM data bus I O External RAM data bus I O MPEG data output MPEG data output MPEG data output MPEG data output Digital ground Digital power supply MPEG data output MPEG data output MPEG data output MPEG data output SERR SBGN SENB SDCK DVSS1 SREQ RSTN DVDD1 STDA STCK Digital power supply MPEG data reliability flag output data error L MPEG output secter synchronous signal output secter ...

Page 15: ... EQ VCA DVD EQ SEL Peak Bottom Detector SEL Ripple Detector VREF 2VR GEN TIME CON LPF Fullwave RECT GND3 RFR FIL RFRPOUT RFcen FWR FIL FEOUT FEIN DVDGD NC PRE FIL NC TEOUT Vref Vref FIL 2Vref 2Vref FIL GND2 MCK ADJ FIL Vcc2 RPD etP DetSR RPDetB GND1 DPD TE NC 3B OUT 3B IN 3BTE SB OUT SB IN TE BAL S D sel FIN EIN VrefIN DIN CIN BIN AIN Vcc1 RFNIN RFPIN LDPsel OUT LDC Vcc3 MDIN RF Gain DVD sel EQ OU...

Page 16: ...signal output Filter external capacitor for RFRP signal Control input when selecting DVD WV detecting signal for RFRP RPS SFSD RFZB RFZP VCC3 1B3B RFCD CD TIME CDF FREQ HSB EQI EQO CD SD RFG VCCRF MDI LDC LDO LDP RFP RFN VCC5V AI BI CI DI VIRF TNI TPI DBL 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 EQ output for DVD RFRP center level detection RF...

Page 17: ...0 91 92 93 94 95 96 97 98 99 100 DVDD RO DVSS DVR LO DVDD TEST1 TEST2 TEST3 BUS0 BUS1 BUS2 BUS3 VDD VSS BUCK CCE TEST4 TSMOD RST XVDD XO XI XVSS VDD PXO PXI VSS TESIO1 TESIN DACT CKSE DMOUT IO3 IO2 IO1 IO0 VSS VDD FLGD FLGC FLGB FLGA SEL 2VREF DMO FVO FMO TEBC RFGC TEST0 HSO UHSO EMPH LRCK VSS BCK AOUT DOUT MBOV IPF SBOK CLCK VDD VSS DATA SFSY SBSY SPCK SPDA COFS MONIT VDD TESIO0 P2VREF SPDO PDOS ...

Page 18: ... speed operation Phase difference signal output between EFM signal and PLCK signal TMAX detection result output TMAX detection result output Amplifier for low pass filter inverting input Wide use I O port PVREF VCOREF VCOF AVSS SLCO RFI AVDD RFCT RFZI RFRP FEI SBAD TSIN TEI TEZI FOO TRO VREF RFGC TEBC FMO FVO DMO 2VREF SEL FLGA FLGB FLGC FLGD VDD VSS IO0 FMOP IO1 FMON 33 34 35 36 37 38 39 40 41 42...

Page 19: ...lock oscillation circuit input System clock oscillation circuit output power supply for system clock oscillation circuit D A converting section power supply R channel data forward rotation output D A converting section ground D A converting section reference voltage L channel data forward rotation output D A converting section power supply Test mode terminal Test mode terminal Test mode terminal D...

Page 20: ...eo Interface Audio Interface Sync Generator Subpicture Decoder M P E G Video Decoder Dolby Digital Audio Decoder M P E G Audio Decoder Host Interface Control Logic Program Stream Decoder D R A M R O M Interface Host Interface DVD CD Interface Z Zi iV VA A D De ec co od de er r BLOCK DIAGRAM Digital Audio and IEC 958 Interface ...

Page 21: ...e Signals DA DATA 2 0 DA LRCK DA BCK DA XCK IEC958 MADDR 8 0 MROMA 8 0 M A D D R H 4 M A D D R H 1 MDATA 31 0 MDATA 47 32 MROMDATA 15 0 MDATA 60 48 MROMA 21 9 MDATA 63 61 M R A S 1 M R A S 0 MCAS 1 0 M W E M C E SYSCLK V D D V S S A_VSS A_VDD V D D 5 M A X R E S E T VDATA 7 0 H S Y N C V S Y N C V C K DVD DATA 0 CD DATA DVD DATA 1 CD LRCK DVD DATA 2 CD BCK DVD DATA 3 CD C2PO DVD DATA 4 DVD DATA 5 ...

Page 22: ...T2 1 NMI W D T O U T P00 to P07 AD0 to AC7 P10 to P17 AD8 to AD15 A8 toA15 P20 to P27 A0 to A7 A16 to A23 P30 RD P31 WR P32 HWR P33 WAIT P34 BUSRQ P35 BUSAK P36 R W P37 RAS P40 CS0 CAS0 P41 CS1 CAS1 P42 CX2 CAS2 cPORT A High Frequency OSC Low Frequency OSC INTERRUPT CONTROLLER WATCH DOG TIMER PORT 0 PORT 2 PORT 3 CS WAIT CONTROLLER 3 BLOCK PORT 1 10 BIT 8CH A D CONVERTER SERIAL I O CH 0 SERIAL I O...

Page 23: ...ddress Data Bus14 Address Data Bus15 VREFL AVSS AVCC SRQ RRQ LDON SLEDOUT SLEDIN SLEDFG DSPLT DIF2 ML1 SBSY DVDINT MRST DPINT TXD RXD SCLK MD ML2 MC AM8 16 CLK VCC Vss X1 X2 EA RESET NMI P70 P71 P72 P73 P80 P81 P82 P83 P84 P85 P86 P87 P90 P91 P92 P93 P94 P95 AM8 16 CLK VCC VSS X1 X2 EA Reset 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 I I I I O O O O I O O O I ...

Page 24: ...omory Strobe for Writing Data AD0 to AD7 Audio DAC Data Latch 0 AKM4324 Control L 16 24bit H 20bit Address Bus 19 Request CPU Bus Wait Bus Request Bus Acknowledge EEPROM Trans Clock I2S EEPROM Trans Data I2S Chip Select 0 Chip Select 1 Chip Select 2 DVD CD Mode Control DVD Low Door Open Motor Control Door Close Motor Control Single Dual Disc Select Single Low Video Encoder Trans Data l2C Video Enc...

Page 25: ...trol I C Control I C Control Clock Timing RESN 40 42 41 35 34 7 8 43 37 4 25 28 31 36 SDA SCL XTALI XTAL RCV1 RCV2 TTXRQ XCLK LLC1 VDDA VDD I2C SA MP 7 0 TTX FADER ENCODER OUTPUT INTERFACE D A RGB PROCESSOR D 22 32 33 23 26 29 30 27 Y C Y 5 18 38 6 17 39 2 3 VSS VDD SP AP 19 RTC1 CbCr Y CbCr 24 R Cr VSSA G Y B Cb CVBS CSYNC VBS CVBS C CVBS A BLOCK DIAGRAM ...

Page 26: ... high selects slave address 8Ch Analog ground 1 for Red Cr C CVBS Green Y outputs Analog ground 3 for the DAC reference ladder and the oscillator Crystal oscillator output Crystal oscillator input if the oscillator is not used this pin should be connected to ground Analog output of Red Cr signal Analog output of Chrominance CVBS signal Analog supply voltage 1 for R Cr C CVBS outputs Analog output ...

Page 27: ...er and the oscillator Clock output of the crystal oscillator digital supply ground 3 digital supply 3 12C serial clock input 12C serial data input output Teletext Request output indicating when text bits are requested Teletext bit stream input Reset input active LOW After reset is applied all digital I Os are in input mode PAL Blackburst on CVBS VBS and C RGB outputs set to lowest voltage The 12C ...

Page 28: ...W R P W R O U T IN IN IN P W R P W R FUNCTION No Connection System Clock input 256fs or 384fs Reserved for Factory Use Latch Enable for Serial Control Data Clock for Serial Control Data Data Input for Serial Control Reset Input When this pin is low the digital filters and modulators are held in reset Zero Data Flag This pin is low when the data is continuously zero for more than 65 535 cycles ro B...

Page 29: ... IN N A N A P W R G N D G N D Out FUNCTION Master Clock Input System Clock Out This output is 256fs or 384fs system clock generated by the internal PLL PLL Power Supply 5V No Connection Buffered clock output of crystal oscillator Latch for serial control data Clock for serial control data Data for serial control Reset Input When this pin is low the digital filters and modulators are held in reset ...

Page 30: ...Q15 Lower Data out Buffer Upper Data in Buffer Upper Data out Buffer Vcc Vss RAS UCAS LCAS W FUNCTION Address Inputs Data in Out Ground Row Address Strobe Upper Column Address Strobe Lower Column Address Strobe Read Write Input Data Output Enable Power 5V Power 3 3V No Connection PIN ASSIGNMENT Refresh Timer Refresh Control AO A8 Refresh Counter Row Address Buffer Col Address Buffer Row Decoder Co...

Page 31: ... 30 29 28 27 26 25 24 23 22 21 Vcc A17 A16 A15 A14 A13 A12 A11 A10 A9 Vss A8 A7 A6 A5 A4 A3 A2 A1 A0 TOP VIEW Output Enable Chip Enable and Prog Logic Output Buffers Y Gating 4 194 304 Bit Cell Matrix Y Decoder A0 A17 Address Inputs OE X Decoder Data Outputs DQ0 DQ15 Vcc Vss Vpp CE PCM BLOCK DIAGRAM FUNCTION Address Inputs Chip Enable Input Data External Connection No External Connection No intern...

Page 32: ...13 A8 A9 A11 OE G A10 CE E DQ7 DQ6 DQ4 DQ4 DQ3 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 TOP VIEW Output Enable Chip Enable and Prog Logic Output Buffers Y Gating 2 097 152 Bit Cell Matrix Y Decoder A0 A17 Address Inputs OE X Decoder Data Outputs DQ0 DQ7 CE Vpp Vcc Vss CE PCM BLOCK DIAGRAM FUNCTION Address Inputs Chip Enable Input Data Input Outputs Output Enable Input Program Enable Input V...

Page 33: ... FLT DISPLAY GRID 2 FLT DISPLAY GRID 3 FLT DISPLAY SEGMENT 0 5V 33V FLT DISPLAY SEGMENT 1 FLT DISPLAY SEGMENT 2 FLT DISPLAY SEGMENT 3 FLT DISPLAY SEGMENT 4 FLT DISPLAY SEGMENT 5 FLT DISPLAY SEGMENT 6 FLT DISPLAY SEGMENT 7 FLT DISPLAY SEGMENT 8 FLT DISPLAY SEGMENT 9 FLT DISPLAY SEGMENT 10 FLT DISPLAY SEGMENT 11 FLT DISPLAY SEGMENT 12 MUTE0 TEST1 RESET XT1 XT2 VSS CF1 CF2 VDD RRQ INT1 INT2 INT3 P52 ...

Page 34: ...O O O O O O O FLT DISPLAY SEGMENT 13 FLT DISPLAY SEGMENT 14 FLT DISPLAY SEGMENT 15 FLT DISPLAY SEGMENT 16 KEY INPUT 1 KEY INPUT 2 KEY INPUT 3 FRONT MICOM MAIN MICOM SEND REQUEST FRONT MICOM MAIN MICOM TRNS DATA FRONT MICOM MAIN MICOM RECEIVE DATA FRONT MICOM MAIN MICOM COMM CLOCK Function Key Scart Jack Audio Mute 2 Audio Mute1 POWER 5V FUNCTION PIN I O NAME PIN ASSIGNMENT FUNCTION PIN I O NAME RS...

Page 35: ...ence current conversion Four division detector D input Phase difference signal off set compensation polarity selection input Phase difference current voltage time constant setting external capacitor Phase difference current voltage time constant setting external capacitor Power 5V input Grond Tracking error signal ouput Mute control input For test BD channel HPF time constant setting external capa...

Page 36: ... Disc 8cm Video CD Reading Speed Aprox Play Time Single Sided Single Layer Disc Reading Speed Maximum Play Time Reading Speed Maximum Play Time Reading Speed Maximum Play Time 3 49m sec 135minutes 1 2 1 4m sec 74minutes 1 2 1 4m sec 20minutes 1 2 1 4m sec 74minutes Video Audio V Vi id de eo o O Ou ut tp pu ut t L Le ev ve el l 7 75 5 Ÿ l lo oa ad d RCA Jack Scart Jack S Video Comoposite Y Cr C b R...

Page 37: ...2Vrms 1KHz 50K 0 5Vp p 75 48KHz Sampling 96KHz Sampling A Au ud di io o C Ch ha ar ra ac ct te er ri is st ti ic cs s Frequency Response S N Ratio Dynamic Range THD Total Harmonic Distortion Wow and Flutter V Vi id de eo o o ou ut tp pu ut ts s C V B S Y C YCrCb RGB SCART TV mode Selection Europe 2 1 1set N T S C PAL S E C A M North America Middle America Korea 2 1 1set N T S C South America 2 1 1...

Page 38: ...E SEARCH Button To search for a position on a disc STEP Button To advance playback one frame at a time SLOW Button To enjoy video in slow motion during DVD playback STOP Button REPEAT Button To repeat the entire disc or a desired title or track CLEAR Button To cancel a memorized program SEARCH Buttons To search through tracks easily and rapidly PLAY PAUSE Button SKIP Buttons To skip selections on ...

Page 39: ...TROL Button ANGLE Selector To change the screen angle CHAPTER Button To search chapters AUDIO Selector To select Audio when playing a DVD disc MENU Button To change audio subtitle angle TITLE Button DIRECTION Buttons When using the menus press these buttons when you want to move to desired position ENTER Button To play a selected title RETURN Button To return to a previous menu SUBTITLE Button To ...

Page 40: ...s level The Parental Level Control function is compatible only with parental level encoded discs If you forget your password press the CLEAR button 3 times successively while in the ENTER PASSWORD 1111 is the original password that has been encrypted in the player by the manufacturer 6 Screen Ratios As DVD supplies the screen with a 16 9 ratio you can decide which type of screen you want to watch ...

Page 41: ...ig 4 3 2 Connecting to an Audio system Fig 4 4 S VIDEO OUT DIGITAL AUDIOOUT OPTICAL DIGITAL AUDIOOUT ANALOG AUDIO OUT COMPONENT VIDEO OUT VIDEOOUT T L AUDIO IN VIDEO IN R S VIDEO OUT DIGITAL AUDIOOUT OPTICAL DIGITAL AUDIOOUT ANALOG AUDIO OUT COMPONENT VIDEO OUT VIDEOOUT T L CD or AUX R ...

Page 42: ... Samsung Electronics 4 3 2 Connections 1 S VIDEO Connection Fig 4 5 L AUDIO IN Using the S Video connection plug S VIDEO IN R S VIDEO OUT DIGITAL AUDIOOUT OPTICAL DIGITAL AUDIOOUT ANALOG AUDIO OUT COMPONENT VIDEO OUT VIDEOOUT T ...

Page 43: ...the Y Pr Pb jacks Fig 4 6 S VIDEO OUT DIGITAL AUDIOOUT OPTICAL DIGITAL AUDIOOUT ANALOG AUDIO OUT COMPONENT VIDEO OUT VIDEOOUT T Amplifier with 5 1 channel analog Input front speaker left center speaker Pr Pb Y TV or MONITOR with Y Pr Pb VIDEO in front speaker right sub woofer for supporting bass sound rear speaker left rear speaker right ...

Page 44: ...on Fig 4 7 S VIDEO OUT DIGITAL AUDIOOUT OPTICAL DIGITAL AUDIOOUT ANALOG AUDIO OUT COMPONENT VIDEO OUT VIDEOOUT T Amplifier with 5 1 channel analog Input front speaker left center speaker TV or MONITOR with Y Pr Pb VIDEO in front speaker right sub woofer for supporting bass sound rear speaker left rear speaker right ...

Page 45: ... Stereo amplifier and S Video connection 2 channel Normal stereo amplifier connection 2 channel Fig 4 8 S VIDEO OUT DIGITAL AUDIOOUT OPTICAL DIGITAL AUDIOOUT ANALOG AUDIO OUT COMPONENT VIDEO OUT VIDEO OUT T speaker right Stereo amplifier speaker left ...

Page 46: ...Out R L should be connected to the Dolby Pro Logic amplifier The Optical Digital Audio Out and Digital Audio Out both output the same signal Fig 4 9 S VIDEO OUT DIGITAL AUDIOOUT OPTICAL DIGITAL AUDIOOUT ANALOG AUDIO OUT COMPONENT VIDEO OUT VIDEOOUT T Amplifier equipped with Dolby Pro Logic left speaker right speaker surround speaker center speaker ...

Page 47: ...the AC 3 decoder amplifier The Optical Digital Audio Out and Digital Audio Out both output the same signal Fig 4 10 S VIDEO OUT DIGITAL AUDIOOUT OPTICAL DIGITAL AUDIOOUT ANALOG AUDIO OUT COMPONENT VIDEO OUT VIDEOOUT T front speaker right Amplifier with 5 1 channel digital input front speaker left sub woofer for supporting bass sound rear speaker left rear speaker right center speaker ...

Page 48: ...tion of arrow 3 Close Tray and power off Note If Tray doesn t open insert a clip into the hole as shown in detailed drawing and open Tray manually 5 Disassembly and Reassembly 5 1 DVD 907 5 1 1 Exterior and PCB Disassembly 5 1 1 a Door tray Fig 5 1 1 2 1 1 1 3 1 TRAY 2 DOOR TRAY 3 CHIP 70mm ...

Page 49: ... 2 Samsung Electronics 5 1 2 b Top cabinet 1 Remove 3 screws on the back panel 2 Remove 4 screws on the left and right side 3 Lift up the top cabinet in direction of arrow Fig 5 2 1 2 2 3 CABINET TOP 2 SCREWS 1 3 SCREWS 3 2 SCREWS ...

Page 50: ...e left and right side of panel front ass y 2 Remove 2 screws on the top of cover panel ass y and disassemble the front 3 Remove 2 screws from PCB front 4 Remove 2 hooks to fix PCB front and disassemble PCB front Fig 5 3 1 2 3 4 3 2 4 1 2 SCREWS 2 SCREWS 1 SCREW 1 SCREW PANEL FRONT ASS Y COVER FRONT ASS Y ...

Page 51: ...ove 2 Holder PCB inserted in PCB MAIN and lift up PCB MAIN 3 Remove 4 screws from PCB SMPS 4 Remove 2 Spacer PCB inserted in PCB SMPS and lift up PCB SMPS 5 Remove 2 screws to fix BRKT PCB ass y Fig 5 4 1 2 3 4 5 1 4 SCREWS 3 4 SCREWS 4 SPACRE PCB 5 2 SCREWS BRKT PCB ASS Y PCB MAIN PCB SMPS ASS Y BOTTOM 2 HOLDER PCB ...

Page 52: ...Samsung Electronics 5 5 5 1 5 e Deck Frame chassis 1 Remove 4 screws from the deck and lift it up 2 Remove 1 screws and 2hooks from the frame chassis and lift it up Fig 5 5 1 2 3 1 4 SCREWS 2 1 SCREW DECK FRAME CHASSIS 3 2 HOOKS ...

Page 53: ...Disassembly and Reassembly 5 6 Samsung Electronics 5 1 2 PCB Locations Fig 5 6 PCB MAIN PCB SMPS PCB FRONT ...

Page 54: ...onnector Diagram Fig 5 7 No Connector wafer No Direction Connector wafer No 1 FJP1 CT1 PCB MAIN DCN1 2 DCN1 PCB FRONT FJP1 3 CN5 CT2 PCB MAIN CN1 4 CN1 DECK CN5 5 PCN02 CT3 PCB MAIN PCN1 6 PCN1 PCB SMPS PCN02 1 3 4 2 6 5 CT2 CT1 CT3 PCB FRONT PCB SMPS PCB MAIN ...

Page 55: ...in direction of arrow 3 Close Tray and power off Note If Tray doesn t open insert a clip into the hole as shown in detailed drawing and open Tray manually 5 2 DVD 927 5 2 1 Exterior and PCB Disassembly 5 2 1 a Door tray 70mm TRAY DOOR TRAY CHIP 2 2 1 1 3 3 Fig 5 8 1 2 1 1 3 1 1 2 3 ...

Page 56: ... Electronics 5 9 5 2 2 b Top cabinet 1 Remove 3 screws on the back panel 2 Remove 4 screws on the left and right side 3 Lift up the top cabinet in direction of arrow Fig 5 9 CABINET TOP 2 SCREWS 3 SCREWS 2 SCREWS 2 2 3 3 1 1 1 2 3 2 1 3 ...

Page 57: ...assemble the front 3 Remove 2 screws from PCB front 4 Remove 9 hooks to fix PCB front and disassemble PCB front 5 Remove 2 screws on the top of cover panel ass y 6 Remove 4 top hooks and 5 bottom hooks and disassemble the cover panel ass y Fig 5 10 2 SCREWS 1 SCREW 4 HOOKS 2 SCREWS COVER PANEL ASS Y 5 HOOKS PANEL FRONT ASS Y 1 SCREW 2 SCREWS PCB FRONT 2 2 6 6 5 5 4 4 1 1 7 7 3 3 1 3 4 5 6 7 2 6 2 ...

Page 58: ...ove 2 Holder PCB inserted in PCB MAIN and lift up PCB MAIN 3 Remove 3 screws from PCB SMPS 4 Remove 3 Spacer PCB inserted in PCB SMPS and lift up PCB SMPS 5 Remove 2 screws to fix BRKT PCB ass y Fig 5 11 4 SCREWS 2 SCREWS PCB MAIN PCB SMPS 3 SCREWS BRKT PCB ASS Y HOLDER PCB SPACER PCB ASS Y BOTTOM 1 5 2 4 3 1 2 3 4 5 ...

Page 59: ...ssembly 5 12 Samsung Electronics 5 2 5 e Deck Frame chassis 1 Remove 4 screws from the deck and lift it up 2 Remove 4 screws from the frame chassis and lift it up Fig 5 12 4 SCREWS DECK FRAME CHASSIS 4 SCREWS 1 1 2 2 1 2 ...

Page 60: ...Disassembly and Reassembly Samsung Electronics 5 13 PCB MAIN PCB SMPS PCB FRONT Fig 5 13 5 2 2 PCB Locations ...

Page 61: ...nector Connection Fig 5 14 PCB FRONT 1 PCB SMPS 4 2 6 PCB MAIN 3 CT3 CT2 CT1 5 No Connector wafer No Direction Connector wafer No 1 FJP1 CT1 PCB MAIN DCN1 2 DCN1 PCB FRONT FJP1 3 CN5 CT2 PCB MAIN CN1 4 CN1 DECK CN5 5 PCN02 CT3 PCB MAIN PCN1 6 PCN1 PCB SMPS PCN02 ...

Page 62: ... Gear Cam Center When the tray comes out a little pull it in direction of arrow C 3 Pull the tray to disassemble while simultaneously pushing the hook in direction of arrow A B Fig 5 15 A C B HOOK EMERGENCY HOLE CLIP 3 3 GEAR CAM CENTER TRAY HOOK 1 1 2 SCREWS ASS Y DECK CLAMPER 2 2 5 5 6 6 3 3 4 4 Samsung Electronics 5 15 1 2 3 4 4 5 6 1 2 5 4 3 6 ...

Page 63: ...ss y Deck DVD 1 Remove 2 screws and disassemble the ass y PCB deck 2 Disassemble the ass y deck DVD in direction of arrow B while simultaneously pushing the hook in direction of arrow A Fig 5 16 B A ASS Y DECK DVD 3 HOOK ASS Y PCB DECK 2 SCREWS 1 2 3 4 1 2 4 3 ...

Page 64: ...yncro in both directions Assembling Adjust the shaft end of motor feed so that it is exactly equal to the height of the hump in gear pole of ass y gear magnet Fig 5 17 GEAR CAM CENTER 1 SCREW GEAR CAM SUB 1 1 GEAR TRY GEAR TRY A BELT PULLEY 1 SCREW PULLEY GEAR 2 SCREWS LEVER OPEN S W 1 SCREW MOTOR PULLEYASSEMBLING ADJUST THE END OF MOTOR SHAFT SAMELYAS HEIGHT OF PULLEYATASSEMBLY ASS Y MOTOR LOAD G...

Page 65: ...Disassembly and Reassembly 5 18 Samsung Electronics 5 3 4 Ass y deck 1 Remove 4 screws 2 Lift up the ass y deck Fig 5 18 4 SCREWS ASS Y DECK 1 1 2 2 2 1 ...

Page 66: ...d CU CL 7 Disassemble the ass y gear magnet 8 Remove 2 screws and disassemble the ass y PCB hall sensor 9 Remove 1 screw and disassemble the motor feed Assembling Adjsut the shaft end of motor feed so that it is exactly equal to the height of the hump in gear pole of ass y gear magnet Fig 5 19 1 7 2 5 6 4 8 10 12 14 11 9 13 15 16 16 18 19 1 17 3 1 3SCREWS 8 3SCREWS 3 SHAFT P U L 5 ASS Y PICK UPL 6...

Page 67: ...Disassembly and Reassembly 5 20 Samsung Electronics MEMO ...

Page 68: ...mmon power to transformer Vp Fig 7 2 The output Vs of transformer is determined by the ratio of 1st Np and 2st Ns Vs Ns Np x Vp Fig 7 3 Vout is output DC by diode and condensor Fig 7 4 7 Circuit Descriptions 7 1 SMPS Vreg Vout Vs Ns Vp Np Regulator Common power Ex 220V60Hz Vs t 0 Vs t 0 Vout t 0 3 Waveform Description 20µs 220 2V ...

Page 69: ...rn open is to remove noise PR10 Rush current limit resistance at the moment of power cord insertion Rush current AC input voltage x 1 414 Diode drop voltage Pattern resistance PL02 01 resistance PC10 resistance PR10 AC230V based approx 26A Without PR10 the bridge diode might be damaged as the rush current increases 7 1 2 b SNUBBER circuit PR15 PR16 PC04 PD05 PD11 PR17 Prevent residual high voltage...

Page 70: ...ied voltage circuit O U T P U T 7 1 2 d Feedback control circuit Fig 7 8 F B terminal of PIC1 determines output duty cycle C E Collector Emitter of PIC2 and F B potential of PIC1 are same 3 Operation descriptions a Internal OP Amp base potential of PIC3 is 2 5V and external input potential is connected with PR38 and PR39 to maintain Vout of 5 8V Vout PR36 x PR39 PR39 x 2 5V b If load of 5 8 V term...

Page 71: ...OUT pin39 and DVD EQ OUT pin34 Then CD signal is transferred to TC9420F pin 38 DVD signal is sent to TC90A19F pin 50 and detected 7 2 1 RIC1 TA1236F TA1236F is combined with TA1253FN TC9240F and TC90A19F as bipolar IC developed for DVD SERVO system Main features include DVD waveform equalizing CD waveform equalizing focus error signal generation 3 beam tracking error signal generation laser power ...

Page 72: ...it Micom MIC1 TMP93CS41 2M PROM MIC2 AM27C020 for Microcode and data save 1M SRAM MIC3 KM681000 for data read write on running 512 byte EEPROM MIC5 IS24C02 for permanent storage of data needed at power off MIC4 74AC573 to latch only address in the bus where address and data are mixed address decoder MIC6 74HC00 for selection of external device chip and 20MHz clock oscillator for micom operation Th...

Page 73: ...573 is 5 nsec and min hold time is 3 nsec It can be known that data input condition meets setup time and hold time The eye part of input data in falling edge of ALE signal corresponds to address on the bus where address and data are mixed CH1 ALE MIC4 11 Address Latch Enable Signal CH2 HAD0 9 Input data of MIC4 Common bus data Fig 7 14 The inclining and rising part indicate floating range of data ...

Page 74: ...rnal buffer as buffer to absorb the differ ence of transfer rate occurring because the transfer rate of disc playback is faster than data transfer rate demand ed by MPEG decoder Video Audio Signal Process Chip In case of general disc refresh the memory is almost filled up periodically It is because Write rate to memory after disc playback and signal process is faster than Read rate of MPEG decoder...

Page 75: ...e signal CH4 PDOP DIC1 37 Phase difference signal Fig 7 23 PLL lock at DVD playback CH1 RFIN DIC1 50 RF Input signal CH2 SLCO DIC1 34 Sliced data CH3 PDON DIC1 36 Phase difference signal CH4 PLCK DIC1 26 PLL clock Fig 7 24 2 3 1 2 3 4 1 2 3 4 7 4 3 Waveform description It is used for internal digital signal process as 33MHz clock input waveform of DIC1 TC90A19F and carries out swing in 1 4V level ...

Page 76: ...rocess chip falls the request signal to 0 LOW and demands data The data acknowledge signal of CH2 and data of CH4 are synchronized with BSTCLK CH3 and outputted BSTCLK of CH3 is made by division of 33MHz into 16 CH1 PVSREQ DIC1 96 Data request signal from DVD1 CH2 PVSACK DIC1 93 Output data acknowledge signal CH3 BSTCLK DIC1 94 Output clock CH4 PVSIN DIC1 81 84 87 90 Output data Fig 7 30 1 2 2 1 1...

Page 77: ...90A19F chip select CH2 DPINT DIC1 23 TC90A19F interrupt output CH3 WR DIC1 10 TC90A19F register write CH4 RD DIC1 11 TC90A19Fregister read CH5 HADRS DIC1 24 25 Micom address bus CH6 HAD DIC1 13 20 Micom data bus SBGN SDCK SREQ SENB SERR SDATA DPCS WAIT WR RD HADRS all HAD all DPCS WAIT WR RD HADRS all HAD all DIC1 shares the data bus of micom with other devices A V Decoder EPROM SRAM CH2 shows the...

Page 78: ... RGB Y C composite video signals are outputted from VIC1 through D A con verter Demultiplexer 10 bit DAC RGB encoding Trap MACROVISION 7 0 1 6 1 Cloed captions CGMS Luminance processing CTRL CFG register Chrominance processor VDATA 7 0 9 16 VSYNC 7 30 CVBS 27 Y 24 C 23 Cr R 26 Y G 29 Cb B HSYNC 8 MRST 40 SDA 42 SCL 41 CR CB Y 27M Fig 7 39 VIC1 SAA7128 Internal block diagram Video timming 7 5 VIDEO...

Page 79: ...ter VF1 VF2 VF1 and VF2 remove quantization noise occurring in the course of D A conversion as low pass filter with cut off frequency of 6 75MHz VR5 and VR6 are input impedances and convert the level of subcarrier Fig 7 40 Frequency features of VF1 VF2 7 5 4 Amplifier VQ1 is buffer and the gain is amplified through VQ2 VQ3 The main factors which determine the gain are VR10 and VR11 and the gain is...

Page 80: ...proximately 4 5V 2 TRACKING SERVO 1 NORMAL PLAY MODE 1 For DVD Composite The signal output from PD A B C D of Pick up the tracking error signal RIC2 pin 14 uses the phase difference of A C and B D in RIC2 and inputs to terminal 8 of RIC1 The signal is output to RIC1 pin 21 and input to SIC7 pin46 TEI Then it is output to SIC7 pin 49 via digital equalizer and applied to the tracking actuator throug...

Page 81: ...y from DVD and make the tracking error signal through RIC1 pin21 The tracking error signal is similar to DVD SEARCH Mode Search mode Fine seek Moving the tracking actuator slightly little below 255 track and coarse search moving much in use of sled motor The coarse search will be described in sled linked servo and now the fine seek is explained shortly If the object lens is located near target cut...

Page 82: ...C1 AIC2 and Sync of each channel is agreed DVD audio data outputted from BIC1 A V decoder are supplied to DATA0 for 2 channels and to DATA0 2 for 5 1 channel Then LRCK is outputted by 48KHz or 96KHz Front L R channel is outputted in DATA0 rear L R channel in DATA1 and center and sub woofer channel in DATA2 DATA0 data are outputted to front L R channel after D A conversion and filtering of AIC1 PCM...

Page 83: ...Circuit Descriptions 7 30 Samsung Electronics MEMO ...

Page 84: ...ccurs at SIC2 18 terminal SLEDGS terminal is ÔLÕ During search term Replace uCOM program MIC2 Check SIC2 peripheral circuit 1 5Vpp sine wave occurs at search at SIC2 3 21 terminal Replace Hall PCB Check SIC2 peripheral circuit Check SLEDGS terminal of uCOM Check peripheral circuit No No No No Yes Yes Yes Yes Yes No 8 Troubleshooting 8 1 SERVO Thoubles A ...

Page 85: ...l is changed from ÔLÕ to ÔHÕ track input is OK within several ms FINE SEEK RFRF signal is missing RFCT follows center level of RFRF Track incoming is delayed FINE SEEK check Check RIC1 peripheral circuit Check PR11 peripheral circuit Time Out due to many jump counts Check SIC2 peripheral soldering Yes Yes No No No A C B ...

Page 86: ...ck up For CD check RR34 RR36A peripheral circuit For DVD check RR45 peripheral circuit Check SIC4 peripheral circuit SLED linked loop check SIC7 53 FMO occurs SIC4 14 ouput is normal SIC4 17 18 terminal outputs are normal Pick up transfer is smooth Check SIC4 soldering and power Check SQ1 peripheral circuit and SLEDGS terminal Check SIC7 53 peripheral circuit SLEDGS terminal is ÔLÕ Yes B ...

Page 87: ...heck SIC6 soldering and power Check SIC5 soldering and power or Replace SIC5 Check RIC1 soldering and power Check RIC3 peripheral circuit and A B C D Input of RF signal is normal For CD SIC7 38 terminal For DVD DIC1 Pin 50 DMO output is normal For CD SIC7 55 terminal For DVD DIC1 Pin 54 SIC6 Pin 1 output is normal SIC5 Pin22 signal is normal Check or replace disc motor After resoldering SIC7 DIC1 ...

Page 88: ...No Yes Yes No tray open close MIC1 Pin84 85 is OPEN L L CLOSE H H Check SIC4 Pin26 27 ouput at open close Signal is reverse output based on SR24 25 Check signal line state from SIC4 Pin26 27 to tray motor Check SR24 25 peripheral circuit Micom error ...

Page 89: ...Troubleshooting 8 6 Samsung Electronics No Yes No disc recognition LD is outputted from object lens at play key input No disc focus incoming and no disc occurs D C ...

Page 90: ...ung Electronics 8 7 Yes No No Yes No focus incoming Check SIC4 Check RR26 RR26A RR28 value and A B C D input Check open state from SIC4 to Pick up FES in SIC7 43 TP39 is within specified range SIC4 1 2 outputs are normal C ...

Page 91: ...oting 8 8 Samsung Electronics No PICK UP Home positioning Micom error Check SIC2 SIC9 signal transfer system MIC1 8 Output is normal SELED FG MIC1 9 is input normally Check SIC4 soldering and power Yes Yes No No ...

Page 92: ...C1 50 output is 180mV Current exceeds 0 1A Divide RQ1 emitter terminal voltage and 5V real voltage difference into 12 LD out Pick up replace Open check in related circuit LD MPD error Replace Pick up Check MIC1 6 RIC1 50 output is 0V Yes Yes Yes Yes Yes No No No No D ...

Page 93: ...ignal is high at PIN40 in VIC1 Control signal input is normal at PIN41 42 in VIC1 SYNC output is normal at PIN7 8 in VIC1 Input data is normal at PIN9 16 in VIC1 Check DL7 connection No Check MIC1 No Check signal connection between MIC1 No Check every pin connection of VIC1 No Check BIC1 connection 8 2 VIDEO TROUBLE E ...

Page 94: ...ut port in VF1 Video signal of about 2V appears at collector in VQ3 Video signal of about 2V appears at collector in VQ6 Video Signal of about 1V appears at output pin in VJ1 Check power pin connection in VIC1 No Check VF1 connection No Check every device connection in Amplifier stage No Check every device connection in buffer unit No Check VC11 VR19 VL11 connection E ...

Page 95: ...AIC4 6 peripheral circui Check AIC5 7 peripheral circuit Check DCN1 pin14 mute Check AL9 10 11 12 peripheral soldering and short CD VCD DVD front L R output error Normal DATA0 is input in AIC1 pin15 Analog output pin9 12 of AIC1 is normal AIC4 6 pin1 output is normal AIC5 7 pin1 input is normal Base terminal level of AQ5 6 9 10 are L ...

Page 96: ...0 peripheral circuit Check AIC8 10 peripheral circuit Check AIC11peripheral circuit Check DCN1 pin19 mute Normal DATA1 is input in AIC2 pin15 Analog output pin 9 12 of AIC2 is normal AIC8 10 pin1 output is normal AIC8 10 pin7 pin output is normal AIC11 pin1 7 output is normal Base terminal level of AQ55 57 75 77are L Check AL13 14 peripheral soldering and short No Yes Yes Yes Yes Yes Yes Yes No No...

Page 97: ... normal AIC13 pin1 output is normal Base ferminal level of AQ21 22 are ÒLÓ No Yes Yes Yes Yes Yes Yes No No No No No Outputted only in 2 channel stereo channel Check BIC1 pin128 ouput Check AIC3 pin2 18 432MHz Check AIC12 peripheral circuit Check AIC13 peripheral circuit Check AL15 peripheral soldering and short DVD center output error Check DCN1 pin26 peripheral circuit ...

Page 98: ... AIC3 pin2 18 432MHz Check AIC14 peripheral circuit F Check AIC13 peripheral circuit Check DCN1 pin26 mute Normal DATA2 is input in AIC3 Analog output pin11 of AIC3 is normal AIC14 pin1 output is normal AIC13 pin6 input is normal AIC13 pin7 output is normal Base terminal level of AQ25 26 are L Check AL16 peripheral soldering and short No Yes Yes Yes Yes Yes Yes Yes No No No No No No ...

Page 99: ...cs AIC17 pin14 15 input is normal Check AIC8 10 12 16 peripheral circuit Check MIC1 pin89 output L Replace AIC17 14053 AIC17 pin10 11 level are L AIC17 pin2 output is normal Check AIC17 peripheral soldering and short No Yes Yes Yes No No F ...

Page 100: ... Troubleshooting Samsung Electronics 8 17 DIGITAL output error Check BIC11 IC Check BIC1 peripheral circuit Check AJ3 4 peripherial solder ing and SHORT Output in BIC11 PIN4 is normal Output in BIC1 PIN129 is normal ...

Page 101: ...wer Standby LED OFF PF01 Error PD01 voltage is missing PIC1 Drain Pin2 voltage is missing Voltage exists in PIC1 Pin3 Pulse is missing in PIC1 5 Yes Yes Yes Yes Yes No No No No No Replace fuse Check PR10 Check 2d voltage Check PR11 12 13 14 Replace PIC1 Check feed back ...

Page 102: ...unication status with main Micom Check FIC1 pins 27 72 73 74 75 If the problem persists Check after replacing Front PCB with another one Check other parts for abnormal Front operation persists 12MHz oscillation FY1 Reset working in FIC1 Micom 12pin FIC1 Micom soldering is OK Operational waveform is missing in FIC3 FLT pin Keys of STOP PLAY OPEN work normally No No No No No No Yes Yes Yes Yes Yes Y...

Page 103: ...cillating part Check 27MHz oscillating part Check MIC2 peripheral soldering CH1 ALE CH2 HAD0 7 CH3 HA0 7 Replace DIC1 33MHz clock is input in DIC1 pin3 27MHz clock is input in DIC1 pin5 WaveformsofMIC213 15 17 21pin are measuredinall8bits likeCH2andCS2 MIC2 22pin WR MIC3 29pin RD MIC2 24pin signalsswing Signals are output from DIC1 36 37 38 pin ZIVA D6 L peripheral solder ing and short check 1 2 3...

Page 104: ... micom Check soldering of micom and communication devices Check ZIVA D6 L peripheral unit All power is measured correctly and front cable is properly connected All clocks 20MHz 16 9344MHz 27MHz 30MHz 33MHz of main PCB oscillate normally Common data bus line signal appears like CH2 of wave form CS2 RD WR signals occur Play Works Troubleshooting Samsung Electronics 8 21 CH1 ALE CH2 HAD0 7 CH3 HAD0 7...

Page 105: ...o 0V Check A V decoder signal process block Chekl DVD signal process block Check MIC1 peripheral soldering Including 12MHz oscillationg of front micom MIC6 9 10 pin is fixed to 0V Check with Article ÒNo Frout SET OperationÓ MIC1 pin4 waveform state 0 1 changes whenever pressing front key G ...

Page 106: ...Samsung Electronics 9 1 9 Exploded Views and Parts List 9 1 Exploded View DVD 907 9 2 Exploded View DVD 927 9 3 Deck Exploded View 9 4 Remote Control ...

Page 107: ... 1 Exploded View DVD 907 S N A CABINET TOP S N A PCB MAIN S N A CHASSIS REAR 16 17 17 22 9 8 7 6 25 22 3 1 4 5 24 PCB FRONT 20 15 22 S N A MECHA 18 PCB SMPS 23 19 27 23 23 22 21 14 13 13 22 12 22 31 31 22 2 23 23 30 29 28 10 11 ...

Page 108: ...D 860K 15 AH61 10721B FRAME CHASSIS ABS94 HB L180 W240 H70 16 AH95 10329B ASSY CABINET BOTTOM DVD 907 ASSY EXPORT 17 AH95 50252A ASSY FOOT DVD 860 ABS EVA SPONGE 18 AH90 10746U ASSY PCB POWER DVD 907 XXA 19 AH39 10060M POWER CORD KKP 10W SPT 2 AWG2 18 1 83MT 22 6003 000276 SCREW TAPTITE BH B M3 L10 ZPC YEL SWC 23 6003 000275 SCREW TAPTITE BH B M3 L10 BLK SWCH101 24 6003 000277 SCREW TAPTITE BH B M...

Page 109: ...2 Exploded View DVD 927 24 24 3 4 5 6 7 8 PCB FRONT 9 10 24 25 24 24 24 23 24 25 26 25 25 25 25 19 28 20 21 22 1 24 27 14 11 13 12 12 2 PCB SMPS 24 29 16 16 15 S N A CABINET TOP S N A PCB MAIN S N A CHASSIS REAR S N A M E H C A ...

Page 110: ...LON66 VIP680T 13 AH61 10692A BRACKET PCB SECC T1 0 NTR DVD 860K 14 AH61 10694A FRAME CHASSIS ABS94 HB T3 L200 W180 H100 B 15 AH95 10322A ASSY CABINET BOTTOM DVD 860K SECC ABS 16 AH95 50252A ASSY FOOT DVD 860 ABS EVA SPONGE 19 AH63 30228A COVER REAR ABS94 HB T2 BLK DVD 860 20 AH90 10682A ASSY PCB SMPS DVD860 DOM 21 AH39 10002G POWER CORD CP VCTFK 0 75X2 1 8M 5239 KS 22 3809 001030 CABLE FLAT 30V 80...

Page 111: ...9 3 Deck Exploded View 228 227 903 903 225 225 903 225 909 906 221 223 217 216 222 220 218 201 210 212 213 209 908 208 206 229 230 230 205 203 202 902 207 904 901 211 219 905 909 901 907 904 220 215 220 204 224 226 214 231 903 ...

Page 112: ...60134A ASSY MOTOR SPINDLE DP 2 SDR 130 220 AH60 30020A WASHER PLAIN DP ID3 1 OD6 T0 3 RED COLOR 221 AH91 60120A ASSY GEAR FEED AU AL DP 1 DVD 860 222 AH66 20182A GEAR FEED B DP KEPITAL F20 03 M0 4 Z44 WHT 223 AH91 60121A ASSY GEAR FEED CU CL DP 1 DVD 860 224 AH91 60122A ASSY GEAR MAGNET DP 1 DVD 860 225 AH73 10017A RUBBER INSULATOR RUBBER LB 40 OD11 DP 1 226 AH90 10694A ASSY PCB HALL SENSOR SDR 13...

Page 113: ...9 8 Samsung Electronics 9 4 Remote Control AH59 10087D REMOCON ASSY 48 DVD905 S S AH64 50327A DOOR BATTERY ABS94 HB T2 L71 W60 H18 D GR ...

Page 114: ...Samsung Electronics 10 1 10 Packing Diagram ...

Page 115: ...Samsung Electronics 10 2 Packing Diagram MEMO ...

Page 116: ... DVD Processor TC90A19F A V Decoder Ziva 2 Video Encoder SAA7128 Main Controller TMP93CS41F SERVO CD Processor TC9420F 4M DRAM 4M EPROM 4M DRAM X 5EA COPY PROTECTOR 2M EPROM 1M SRAM DPD TA1253F Pick UP I V Amp LPF LPF LPF LPF LPF LPF LPF LPF Front Controller LC86P6232 Remote Control AMP AMP AMP AMP AMP AMP AMP AMP AMP AMP AMP AMP Coaxial Optical F L F R R L R R C T S W Y R Y B Y CVBS1 CVBS2 SCART ...

Page 117: ...Electronics 13 PCB Diagrams 13 1 MAIN Rev 1 13 1 1 COMPONENT SIDE 13 1 2 SOLDER SIDE 13 2 FRONT DVD 907 13 3 FRONT DVD 927 13 4 SMPS 13 5 DECK 13 6 MAIN Rev 2 13 6 1 COMPONENT SIDE 13 6 2 SOLDER SIDE 13 7 SCART JACK ...

Page 118: ...13 2 Samsung Electronics 13 1 MAIN PLAY B D SILK COMP 13 1 1 COMPONENT SIDE ...

Page 119: ...13 3 Samsung Electronics 13 1 2 SOLDER SIDE PLAY B D SILK SOLD PCB Diagrams ...

Page 120: ...13 4 Samsung Electronics 13 2 FRONT DVD 907 ...

Page 121: ...13 5 Samsung Electronics 13 3 FRONT DVD 927 ...

Page 122: ...13 6 Samsung Electronics 13 4 SMPS ...

Page 123: ...13 7 Samsung Electronics 13 5 DECK ...

Page 124: ...13 10 Samsung Electronics 13 7 SCART JACK ...

Page 125: ...14 1 Samsung Electronics 14 Wiring Diagram ...

Page 126: ... 1 3 DATA PROCESSOR 15 1 4 A V DECODER 15 1 5 AUDIO 15 1 6 VIDEO 15 1 7 CONNECTOR 15 2 Front 15 2 1 DVD 907 15 2 2 DVD 927 15 3 SMPS 15 4 PICK UP DECK 15 5 MAIN Rev 2 15 5 1 MICOM 15 5 2 SERVO 15 5 3 DATA PROCESSOR 15 5 4 A V DECODER 15 5 5 AUDIO 15 5 6 VIDEO 15 5 7 CONNECTOR 15 6 Scart Jack ...

Page 127: ...15 2 Samsung Electronics 15 1 1 MICOM 15 1 MAIN Rev 1 ...

Page 128: ...15 3 Samsung Electronics Schematic Diagrams 15 1 2 SERVO ...

Page 129: ...15 4 Samsung Electronics Schematic Diagrams 15 1 3 DATA PROCESSOR ...

Page 130: ...15 5 Samsung Electronics Schematic Diagrams 15 1 4 A V DECODER ...

Page 131: ...15 6 Samsung Electronics Schematic Diagrams 15 1 5 AUDIO ...

Page 132: ...15 7 Samsung Electronics Schematic Diagrams 15 1 6 VIDEO ...

Page 133: ...15 8 Samsung Electronics Schematic Diagrams 15 1 7 CONNECTOR ...

Page 134: ...15 9 Samsung Electronics 15 2 1 DVD 907 15 2 FRONT ...

Page 135: ...15 10 Samsung Electronics Schematic Diagrams 15 2 2 DVD 927 ...

Page 136: ...15 11 Samsung Electronics 15 3 SMPS ...

Page 137: ...15 12 Samsung Electronics 15 4 PICK UP DECK ...

Page 138: ...15 13 Samsung Electronics 15 5 MAIN Rev 2 15 5 1 MICOM ...

Page 139: ...15 14 Samsung Electronics Schematic Diagrams 15 5 2 SERVO ...

Page 140: ...15 15 Samsung Electronics Schematic Diagrams 15 5 3 DATA PROCESSOR ...

Page 141: ...15 16 Samsung Electronics Schematic Diagrams 15 5 4 A V DECODER ...

Page 142: ...15 17 Samsung Electronics Schematic Diagrams 15 5 5 AUDIO ...

Page 143: ...15 18 Samsung Electronics Schematic Diagrams 15 5 6 VIDEO ...

Page 144: ...15 19 Samsung Electronics Schematic Diagrams 15 5 7 CONNCTOR ...

Page 145: ...15 20 Samsung Electronics 15 6 SCART JACK ...

Page 146: ...ELECTRONICS Samsung Electronics Co Ltd May 1998 Printed in Korea AH68 20198A ...

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