Samsung DVD-A500 Service Manual Download Page 36

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Disassembly and Reaasembly

5-3

Samsung Electronics

3 HOOKS

1 HOOK

2 HOOKS

ASS'Y CABINET FRONT

KNOB-VOLUME

∏

KNOB-VOLUME AMP

”

2 SCREWS

’

BRACKET-PHONE

HEADPHONE PCB

11 SCREWS



FRONT PCB

KNOB-POWER

FRAME-STICK

Fig. 5-3 Ass’y Cabinet Front, Front PCB, Headphone PCB Removal

5-1-3 Ass’y Cabinet Front, Front PCB, Headphone PCB Removal

1) Release 3 Hooks

, 2 Hook

on the left and right side, 2 Hooks

on the bottom side and

Ass’y Cabinet Front

2) Remove Knob-Volume

and Knob-Volume AMP

∏

3) Remove 2 Screws

”

, Bracket-Phone

’

and Headphone PCB

4) Remove 11 Screws

and Front PCB



5) Remove Knob-Power

and Frame-Stick

Summary of Contents for DVD-A500

Page 1: ... and Reassembly 6 Circuit Descriptions 7 Troubleshooting 8 Exploded Views and Parts List 9 Electrical Parts List 10 Block Diagrams 11 PCB Diagrams 12 Wiring Diagram 13 Schematic Diagrams Manual DVD HOME THEATER SYSTEM CONTENTS SERVICE MANUAL DVD A500 DIGIT A L VIDEO ELECTRONICS Samsung Electronics Co Ltd MAR 2000 Printed in Korea AH68 00342A ...

Page 2: ...rwriters 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 water pipe conduit etc to all exposed metal parts of the instrument antennas handle brackets metal cabinets screw heads metallic overlays control shafts etc espe cially any exposed metal parts that offer an electri cal return path to the c...

Page 3: ...ched out of place or frayed wiring Do not change spacing between a component 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 necess...

Page 4: ...nd lead last 2 The service precautions 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 ratings Components i enti fied by shading by or by in t...

Page 5: ...posure of the assem bly 3 Use only a grounded tip soldering iron to solder or unsolder ESD devices 4 Use only 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 damage ESD devices 6 Do not remove a ...

Page 6: ... sheet This gives them the same ground as the sheet 4 Remove 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 wh...

Page 7: ...ted into Main PCB CN6 See Fig 1 4 3 Disassemble the deck 4 Disassemble the deck PCB 1 5 2 Reassembly 1 Replace the Pick up 2 Assemble the deck PCB 3 Reassemble the deck 4 Insert FPC into Main PCB CN6 and switch SW3 on deck PCB to ON See Fig 1 4 SW3 ON OFF FPC TO MAIN PCB CN6 Note If the assembly and disassembly are not done in correct sequence the Pick up may be damaged Fig 1 4 ...

Page 8: ...SMUTE 9 I DFS 10 I DEM0 11 Soft mute pin When this pin goes H soft mute cycle is initiated When returning L the output mute releases Audio serial data input pin 64fs clock is recommended to be input on this pin Audio serial data input pin 2 s complement MSB first data is input on this pin Double speed sampling mode pin Internal pull down pin L normal speed H double speed L R clock pin De emphasis ...

Page 9: ...13 E 12 VREFEQ 11 RREF 10 RREFEQ 9 RREFBF 8 DDVD 7 CDVD 6 BDVD 5 ADVD 4 DCD 3 CCD 2 BCD 1 ACD to RF EQ TUNING BLOCK AGC HOLD OOH MUX AGC_DET RF MUX VREF GENERATOR CDRSEL 00H EQ VC AMP D D D D MUX3 GAIN_TE3 02H GCA OFSTHOLD TEOFST 04H TBAL 01H TE38 SUB RF MUX D1 B1 C1 A1 FE GAIN_FE 03H FE_0FST 05H CDRSEL 00H ANALOG VC AMP ALPC LDONB 00H FOFST OFSTHOLD MUX TESEL OOH OFSTHOLD ABCD_OFST O6H ENVELOPE F...

Page 10: ...n port SERVO defect max time setting Peak hold time constant connection port PLL defect min time setting 39 ABCD ENVP ENVB ENV DGND FOKTH FOKB DFCT_CP1 DFCT_CP2 O O I O P 62 61 60 59 58 57 56 55 54 53 52 51 50 49 Output port of peak detector for defect AC coupling input port for defect Power voltage input port for digital circuit Resistance connection port for PLL defect comparat ing level setting...

Page 11: ...L EFMI RFI ASYDVD ASYCD EFM EFMOA PLLHD INTO_224 FDCTL MAGICO EQCTL VCTRL RVCO PLCK EFMRTD RPD RFD PLLLOCK MDOUT 3 0 PSB SENSE MDATA 7 0 MRDB MWRB CSB DAB SCOR SQSI SQCK LDONB TLKB FLKB DIRC PS1 SSTOP PSO SMON LOCK DFCT FOKB MIRR TZCA PHI1 XOUT XO XI TEST RSTB TILTO TILTI ROM DSP CORE FOR DIGITAL SERVO TIMING GENERATOR I O INTERFACE BLOCK SUB CODE READ BLOCK SYSCON INTERFACE BLOCK WIDE CAPTURE RAN...

Page 12: ...r signal input pin PLL hold signal from micom Servo interrupt monitor pin PLL logic block VDD power supply pin PLCK Frequency lock detect output H Lock L Unlock Latched EFM output signal PLL logic block VSS power supply pin Resistor pin for VCO GAIN Gain adjust resister for frequence detector Gain adjust resister for phase detector Control voltage for VCO Input for hysteresis control of FD output ...

Page 13: ...35KHz EFM DEMOD SUBCODE I F CD G V CD CD DA SQ VCD DVDP DEINTERLEAVE RAM CONTROL 6 4 3 trans ID ECC EDC DESCRAMBLER MICOM I F M M TO MICOM 15 MDAT 7 0 MRZA ZCS MWR MRD ZIRQZD ZWAIT ZRST TO DRAM 256K 16 32 DD 15 0 DADR 8 0 ZRAS ZUCAS ZLCAS ZOE 1 0 ZWE 1 0 TO AV 13 SDATA 0 CDATA SDATA 1 LRCK SDATA 2 BCLK SDATA 3 C2PO SDATA 4 SQDT SDATA 5 WFSY SDATA 6 SOS1 SDATA 7 SQCK DATREQ CSTROBE DTER DATACK TOS ...

Page 14: ...DRAM data bus 33 DD6_BI FUNCTION PIN NAME Digital GND 5V 97 DVSS System clock output for 33 8688MHz 96 CK33MO_OUT System clock input for 33 8688MHz 95 CK33MI_IN Digital out 92 TX_OUT Good frame sync detection result output H active 93 GFS_OUT Frame sync out 91 FRSYZ_OUT Digital GND 0V 90 DVSS Digital GND 0V 89 DVSS Digital GND 0V 88 DVSS Digital GND 0V 87 DVSS Digital power 5V 86 DVDD Digital powe...

Page 15: ...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 Refresh Timer Refresh Control AO A8 Refresh Counter Row Address Buffer Col Address Buffer Row Decoder Column Decoder Memory...

Page 16: ...d Content Descrambled Compressed Content Decompressed Content Display Content LOGIC DIAGRAM HADDR 2 0 RD HDATA 7 0 WAIT DTACK INT HOST8SEL Host Interface Signals Video Interface Signals DVD CD Interface Signals Audio Interface Signals SDRAM EDO Interface Signals Global Interface Signals DA DATA 0 3 DA LRCK DA BCK DA XCK DA IEC EDO CAS EDO RAS LDQM MDATA 15 0 MADDR 20 0 MWE ROM CS SD CLK SD CAS 1 0...

Page 17: ... 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 NAME res SP A P LLC1 V SS1 V DD1 RCV1 RCV2 I O I I I I I I O I O PIN 1 2 3 4 5 6 7 8 FUNCTION Reserved pin do not connect Test Pin connected to digital ground for normal operation Test Pin connected to digital ground for normal operation Line Locked Clock input this is the 27 MHz master clock Di...

Page 18: ... for R Cr C CVBS outputs Analog output of Green Y signal Analog output of VBS CVBS signal Analog supply voltage 2 for VBS CVBS Green Y outputs Analog output of Blue Cb signal Analog output of CVBS CSYNC signal Analog supply voltage 3 for Blue Cb and CVBS CSYNC outputs Analog ground 2 for VBS CVBS Blue Cb CVBS CSYNC outputs Double speed 54 MHzMPEG port It is an input for CCIR 656 style multiplexed ...

Page 19: ...TEST2 1 NMI WDTOUT 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 PORT 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 CH...

Page 20: ...ck SCLK SCLKO RF control data MD TXD1 RF data latch STB 094 RF control clock MC SCLK1 Address mode H 8 bit mode AM8 AM8 16 Clock output System clock 2 CLK CLK VCC Vcc GND GND Vss High frequency OSC in X1 X1 High frequency OSC out X2 X2 External access CS41 CS40 EA EA Master reset from FRONT MRST RESET FUNCTION ASSIGNED NAME PORT NAME No I O I I O O O O I I I I I I O I O I I O I O O I O I O I I 80 ...

Page 21: ...PIO7 0 RD R W EMOE GPIO11 RAM Output Buffer Framer Shifter RAM Input Buffer 24 Bit DSP Processing RAM Program Memory RAM Data Memory ROM Program Memory STC ROM Data Memory Digital Audio Input Interface PLL Clock Manager Compressed Data Input Interface Input Buffer Controller Output Formatter Parallel or Serial Host Interface WR DS EMWR GPIO10 SCDIO SCDOUT PSEL GPIO9 A0 SCCLK A1 SCDIN ABOOT INTREQ ...

Page 22: ... Address and Data Bus 17 DATA0 EMAD0 GPIO0 Multiplexed Address and Data Bus 18 CS Host Parallel Chip Select Host Serial SPI Chip Select 19 SCDIO SCDOUT PSEL GPIO9 Serial Control Port Data Input and Output Parallel Port Type Select 20 ABOOT INTREQ Control Port Interrupt request Automatic Boot Enable 21 EXTMEM GPIO8 External Memory Chip SelectGeneral Purpose Input Output Number 8 22 SDATAN1 PCM Audi...

Page 23: ...KAUX RX3 RX1 DGND1 DGND2 AGND2 AGND1 AIN3R AUDIO AIN3L AUTODATA AIN2R FREQ1 AIN2L FREQ0 AIN1R AIN1L AINAUX AOUT6 AOUT5 AOUT4 AOUT3 AOUT2 AOUT1 CMOUT Voltage Reference Control Port DAC 1 DAC 2 DAC 3 DAC 4 DAC 5 DAC 6 Mono ADC Left ADC Right ADC Analog Low Pass and Output Stage Digital Filters Digital Filters Serial Audio Data Interface Volume control Volume control Volume control Volume control Vol...

Page 24: ... Supply Analog Ground 21 AOUT1 Analog Outputs Audio Output Left 22 AOUT2 Analog Outputs Audio Output Right 23 AOUT3 Analog Outputs Audio Output Left Surround 24 AOUT4 Analog Outputs Audio Output Right Surround 25 AOUT5 Analog Outputs Audio Output Center 26 AOUT6 Analog Outputs Audio Output Sub Woofer 27 DEM Digital Audio Interface Signals De emphasis Control 28 XTI Clock and Crystal Pins Crystal c...

Page 25: ... Q0 Q7 BLOCK DIAGRAM FUNCTION Address Inputs Data Input Outputs Chip Enable Output Enable Program Enable Program Erase Supply Voltage Vcc GND Power Supply Ground 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 4 3 2 1 32 31 30 29 28 27 26 25 24 23 22 21 Q1 Q2 GND Q3 Q4 Q5 Q6 A12 A15 A16 Vpp Vcc PGM A17 CONTROL DECODER OUTPUT BUFFER CORE ARRAY A0 PGM CE OE A17 Vcc GND Vpp ...

Page 26: ...s Vcc A17 A14 A13 A8 A9 A11 OE VPP A10 CE 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 A19 Address Inputs OE VPP X Decoder Data Outputs DQ0 DQ7 CE Vcc Vss BLOCK DIAGRAM FUNCTION Address Inputs Chip Enable Input Data Input Outputs Output Enable Input Vcc Syply Volt...

Page 27: ...FLT 50 S17 SEG15 O FLT SEGMENT CONTROL FLT NO PORT NAME ASSIGNED NAME I O FUNCTION CONNECTED TO 51 S18 SEG14 O FLT SEGMENT CONTROL FLT 52 S19 SEG13 O FLT SEGMENT CONTROL FLT 53 S20 SEG12 O FLT SEGMENT CONTROL FLT 54 S21 SEG11 O FLT SEGMENT CONTROL FLT 55 S22 SEG10 O FLT SEGMENT CONTROL FLT 56 S23 SEG9 O FLT SEGMENT CONTROL FLT 57 S24 SEG8 O FLT SEGMENT CONTROL FLT 58 S25 SEG7 O FLT SEGMENT CONTROL...

Page 28: ...me 74min Video Audio R Red 0 714 Vp p 75 ohm load G Green 0 714 Vp p 75 ohm load SCART JACK B Blue 0 714 Vp p 75 ohm load Composite Video 1 0 Vp p 75 ohm load Video Output Luminance Signal 1 0 Vp p 75 ohm load Color Signal 1 0 Vp p 75 ohm load Composite Video 2 channel 1 0Vp p 75ohm load S VIDEO Luminance Signal 1Vp p 75ohm load Color Signal 0 286Vp p 75ohm load SCART JACK 2 Channel L 1 L R 2 R RC...

Page 29: ...Product Specification 3 2 Samsung Electronics MEMO ...

Page 30: ...ACK INDICATOR 3D SOUND INDICATOR ANGLE INDICATOR CHAPTER INDICATOR REPEAT INDICATOR CHAPTER TITLE TRACK TIME MES SAGE INDICATOR ALL REPEAT INDICATOR A B REPEAT INDICATOR PROGRAM PLAY INDICATOR PAL INDICATOR MPEG INDICATOR DOLBY DIGITAL INDICATOR LINEAR PCM INDICATOR DTS INDICATOR SETUP D escription Rear Panel 9 Rear Panel COOLING FAN Operate automatically to ensure the player does not overheat The...

Page 31: ...SC SECAM PAL TV SYSTEM SELECT NTSC SECAM PAL NTSC encoded DVD VIDEO CD PAL encoded DVD VIDEO CD DISC 11 A Tour of the Remote Contro l DVD Function Buttons OPEN CLOSE Button BOOKMARK Button CLEAR Button PROGRAM Button Allows you to program a specific order SEARCH Buttons Allows you to search forward backward through a disc STOP Button STEP Button Advances playback one frame at a time SETUP Button B...

Page 32: ...The audio output from RCA or Scart will be not influenced VOLUME UP DOWN Buttons Control the volume of the speakers attached to the player TV AUX Button Selects the rear panel AUX audio video inputs as the TV View and allows the remote to control TV functions only C onnection to a TV The following diagrams show common connection examples that can be used for connecting your DVD player to a TV or o...

Page 33: ...ive speakers RF C LF RS LS Method 4 5 1 Channel Sound Connect the player to five speakers RF C LF RS LS and an active subwoofer Method 1 Method 2 Method 3 Method 4 LEFT SURROUND RIGHT SURROUND ACTIVE SUB WOOFER CENTER SUB WOOFER FRONT RIGHT FRONT LEFT CENTER SURROUND RIGHT LEFT FRONT LEFT FRONT RIGHT SUB WOOFER FRONT RIGHT FRONT LEFT CENTER SURROUND RIGHT LEFT FRONT LEFT FRONT RIGHT CENTER SUB WOO...

Page 34: ...assemble the Door Tray in direction of arrow A 3 Close Tray Œ and power off Note If Tray Œ doesn t open insert a Screw driver into the Emergency hole ˇ as shown in detailed draw ing and then turn it in the direction of arrow B Open Tray manually ˇ EMERGENCY HOLE Bottom View Œ TRAY DOOR TRAY A B SCREW DRIVER Fig 5 1 Door Tray Removal ...

Page 35: ...ng Electronics 5 1 2 Top Cabinet Removal 1 Remove 5 Screws Œ on the back Top Cabinet 2 Remove 4 Screws ˇ on the left and right side 3 Lift up the Top Cabinet in direction of arrow Œ 5 SCREWS 2 SCREWS ˇ 2 SCREWS Fig 5 2 Top Cabinet Removal ...

Page 36: ... Ú FRAME STICK Fig 5 3 Ass y Cabinet Front Front PCB Headphone PCB Removal 5 1 3 Ass y Cabinet Front Front PCB Headphone PCB Removal 1 Release 3 Hooks Œ 2 Hook ˇ on the left and right side 2 Hooks on the bottom side and Ass y Cabinet Front ˆ 2 Remove Knob Volume Ø and Knob Volume AMP 3 Remove 2 Screws Bracket Phone and Headphone PCB 4 Remove 11 Screws Ô and Front PCB 5 Remove Knob Power Ò and Fram...

Page 37: ... 4 SCREWS BLACK COLOR Ò POWER TRANS Fig 5 4 Main PCB Jack PCB Removal 5 1 4 Main PCB Jack PCB Removal 1 Remove 3 Screws Œ 4 Screws and lift up the Jack PCB ˇ 2 Remove 3 Screws and lift up the Main PCB ˆ 3 Remove 2 Screws Ø Bracket Middle and Bracket L R 4 Remove 2 Screws 4 Screws Black Color Ô and lift up the Power Trans 5 Remove 2 Screws Ò and lift up the Sub Bracket Ú ...

Page 38: ... S M P S PCB 6 SCREWS ˇ 4 SCREWS ˆ AMP PCB Fig 5 5 Ass y Deck AMP PCB S M P S PCB Removal 5 1 5 Ass y Deck AMP PCB S M P S PCB Removal 1 Remove 4 Screws Œ and lift up the Ass y Deck 2 Remove 4 Screws ˇ 6 Screws and lift up the AMP PCB ˆ 3 Remove 6 Screws Ø and lift up the S M P S PCB ...

Page 39: ...5 6 Disassembly and Reaasembly Samsung Electronics JACK PCB MAIN PCB S M P S PCB AMP PCB HEADPHONE PCB FRONT PCB 5 2 PCB Location Fig 5 6 PCB Location ...

Page 40: ...MAIN PCB S M P S PCB CN12 Ô CNJACK S M P S PCB JACK PCB CONNP Ò CN5 DECK PCB MAIN PCB CN6 Ú Æ FAN FAN AMP PCB CNFAN ı POWER TRTANS POWER TRANS AMP PCB CNTRNS CNJACK AMP PCB JACK PCB CONNA POWER TRTANS POWER TRANS S M P S PCB PCN02 CT1 CT2 CT3 CT4 CT5 CT6 CT7 CT8 CT9 CT10 CT11 Œ CT1 CT2 ˇ Ô CT3 SMPSPCB HEADPHONEPCB ˆ CT3 FRONTPCB Ø CT6 CT10 CT4 CT8 JACKPCB ı Æ CT11 CT9 Ú MAINPCB Ò CT7 CT5 5 3 Conne...

Page 41: ...r ˆ into Emergency hole and push it in the direction of arrow A When the Tray Ø comes out a little pull it in the direction of arrow B by hand 3 Pull the Tray Ø to disassemble while simultaneously pushing the Hook in direction of arrow A B Fig 5 8 Tray Removal ˇ ASS Y DECK CLAMPER C B Ø TRAY HOOK Œ 2 SCREWS COVER SHEET D HOOK EMERGENCY HOLE Bottom View A ˆ SCREW DRIVER ...

Page 42: ...Sub Removal 1 Remove 2 Screws Œ and disassemble the Ass y PCB deck 2 Disassemble the Ass y Deck Sub in direction of arrow B while simultaneously pushing the Hook ˇ in direction of arrow A Fig 5 9 Ass y Deck Sub Removal ASS Y DECK SUB B A ˇ HOOK ASS Y PCB DECK Œ 2 SCREWS ...

Page 43: ...am Sub 4 Remove 2 Screws and disassemble the Ass y Motor Load Ô 5 Remove 1 Screw and disassemble the Lever Open S W Ò 6 Lift up the Shaft Syncro Ú and remove the 2 Gear Syncro Æ in both directions Fig 5 10 Chassis Main Parts Removal BELT PULLEY ˆ 1 SCREW GEAR TRAY A 1 SCREW Ø PULLEY GEAR 2 SCREWS 1 SCREW ˇ GEAR CAM CENTER ˇ GEAR CAM CENTER Ô ASS Y MOTOR LOAD Ú SHAFT SYNCRO Æ GEAR SYNCRO Æ GEAR SYN...

Page 44: ...Disassembly and Reaasembly 5 11 Samsung Electronics 5 4 4 Ass y Brkt Deck Removal 1 Remove 4 Screws Œ 2 Lift up the Ass y Brkt Deck Fig 5 11 Ass y Brkt Deck Removal Œ 4 SCREWS ASS Y BRKT DECK ...

Page 45: ... the Ass y Motor Spindle 4 Remove the Washer Plain and disassemble the Ass y Gear Feed AU AL 5 Remove the Washer Plain Ô and disassemble the Gear Feed B 6 Remove the Washer Plain Ò and disassemble the Ass y Gear Feed CU CL Ú Fig 5 12 Ass y Deck Parts Removal Œ 2 SCREWS ASS Y MOTOR SPINDLE 3 SCREWS HOLDER CAM ˇ SHAFT P U ˇ SHAFT P U Ø ASS Y PICK UP ˆ RACK SLIDE 2 SCREWS ASS Y GEAR FEED AU AL WASHER...

Page 46: ...r Vreg Vout Vs Ns Vp Np REGULATOR Common power Ex 120 220V 50 60Hz Fig 6 1 Linear Power Supply Waveform Description Vs t 0 Fig 6 2 Vs t 0 Fig 6 3 Vout t 0 Fig 6 4 Input Common power to transformer Vp The output Vs of transformer is determined by the ratio of 1st Np and 2nd Ns Vs Ns Np x Vp Vout is output DC by diode and condensor ...

Page 47: ...sed by margin design Greater core size and condensor capacity are ne eded because the transformer works on a single power frequency 6 1 1 b S M P S Pulse width modulation method v Vreg Vout 0 t Change by common power Regulator loss Fig 6 5 Terms 1 1st Common power input to 1st winding 2 2nd Circuit followings output winding of transformer 3 f Frequency Switching frequency T Switching cycle 4 Duty ...

Page 48: ...ed power by leakage inductance Fig 6 7 1 Prevent residual high voltage at the terminals of switch during switch off Suppress noise High inverted power occurs at switch PIC1 off because of the 1st winding of transformer V LI xdi dt LI Leakage Induction A very high residual voltage exists on both terminals of PIC1 because dt is a very short 2 SNUBBER circuit protects PIC1 from damage through leakage...

Page 49: ...3 of A K current down PIC2 Diode current down PIC2 C E current down PIC2 C E voltage up PIC1 F B voltage up Out Duty up Transformer 1st current up Transformer 1st power up Vout up Maintain Vout 5 8V 3 If load of 5 8 V terminal decreases or AC input voltage rises and Vout rises above 5 8V then Reverse sequence of the above description Duty down Vout down Maintain 5 8V i e the feedback to maintains ...

Page 50: ...uit 5V Rectified Smoothing Circuit 8V Rectified Smoothing Circuit 8V Rectified Smoothing Circuit 3 3V Rectified VoltageCircuit 5V Rectified VoltageCircuit x2 Motor 8V 1 Port 8V Rectified VoltageCircuit 8V Rectified VoltageCircuit O U T P U T Fig 6 9 6 1 3 b PIC1 STR G6153T Internal Block Diagram Voltage Ref UVLO Vcc Drain Source GND Sense S Q R S Q R OSC Vck 32V Feedback LEB Reset 7 5V 5v Reset Th...

Page 51: ...shows the flow of signal generated by the pick up A B C D signals detected from pick up are converted in to RF signal A B C D via RF summing AMP Fig 6 12 shows the waveform equalizing block diagram for the RF signal It outputs to EQout Pin 86 terminal by initially changing switching AMP gain of DVD and CD and then adjust ing the level in RF SUM AGC It controls RF SUM AGC gain by means of Pin 89 95...

Page 52: ... of DVD EQ and CD EQ are as follows 1 DVD CD EQ control parameter Œ EQG Pin 97 Changes the gain of peak frequency with EQ frequency characteristic Convert PWM signal output from KS1453 into DC via low pass filter EQF Pin 98 Changes the peak frequency with EQ frequency characteristic Convert PWM signal output from KS1453 into DVD via low pass filter ...

Page 53: ...41F mounted in main board analizes the key commands of front panel or instructions of remote control through communication with Micom FIC1 LC86P6232 of front and controls the devices on board to exe cute the corresponding commands after initializing the devices connected with micom on board at power on 6 3 2 Block Diagram RIC1 RFAMP KS1461 SIC1 DIGITALSERVO KS1452 VIC1 A VDECODER ZIVA 3 TIC1 VIDEO...

Page 54: ...ously CH1 CS2 MIC8 22 EPROM CHIP SELECT CH2 DSPCS DIC1 2 DATA PROCESSOR CHIP SELECT CH3 DVDCS VIC1 206 A V DECODER CHIP SELECT CH4 SRVCS SIC1 10 DIGITAL SERVO CHIP SELECT CH5 WR MIC1 73 MICOM OUTPUT WRITE SIGNAL CH6 RD MIC1 72 MICOM OUTPUT READ SIGNAL CS2 DSPCS DVDCS SRVCS RD WR Fig 6 14 CH1 CS2 MIC8 22 EPROM CHIP SELECT CH2 DSPCS DIC1 2 DATA PROCESSOR CHIP SELECT CH3 DVDCS VIC1 206 A V DECODER CH...

Page 55: ...PROM CHIP SELECT CH2 DSPCS DIC1 2 DATA PROCESSOR CHIP SELECT CH3 DVDCS VIC1 206 A V DECODER CHIP SELECT CH4 SRVCS SIC1 10 DIGITAL SERVO CHIP SELECT CH5 WR MIC1 73 MICOM OUTPUT WRITE SIGNAL CH6 RD MIC1 72 MICOM OUTPUT READ SIGNAL CS2 DSPCS DVDCS SRVCS RD WR Fig 6 16 ...

Page 56: ...he disc track in use of tracking error signal created from Pick up 3 SLED Linked SERVO When the tracking actuator inclines outwardly as the object lens follows the track during play the SLED motor moves slightly and counteracts the incline 4 CLV SERVO DISC Motor Control SERVO Controls the disc motor to maintain a constant linear velocity necessary for RF signal 6 4 2 Block Diagram Fig 6 17 DISC SL...

Page 57: ...in65 of SIC1 FEI Pin39 of RIC1 ABCD 2 PLAY When focus loop closes the loop during focus servo on both pin 65 and pin 75 of SIC1 are controlled by VREF voltage approx 2 5V and pin 1 2 of DRIC2 are approximately 4 5V 2 TRACKING SERVO 1 NORMAL PLAY MODE Œ For DVD Composite The signal output from PD A B C D of Pick up the tracking error signal pin36 of RIC1 uses the phase difference of A C and B D in ...

Page 58: ...lay mode Move SLED motor slightly by means of PWM signal in SIC1 pin 73 as the tracking actuator moves along with track during play Control to move the entire Pick up as the tracking actuator moves Coarse serach mode In case of long distance search such as chapter serach SIC1 uses sled FG SIC8 pin 1 7 which is generated by rotation of sled motor via hall PCB Then read ID and compute the existing t...

Page 59: ... filled this status is report ed by interrupt to main micom which controls the servo to kick back the pick up to the previous track after mem orizing the last data read from disc until now It takes some times to jump to the previous track and return to the original jump location again The memory will have an empty space because A V decoder reads out data of mem ory When the memory has an empty spa...

Page 60: ...5 3 Waveform Description It measures the timing that data processed in DIC1 at DVD playback STROBE REQ DACK SDATA all 2 2 0 1 0 Fig 6 20 CH1 STROBE DIC1 69 CLOCK CH2 REQ DIC1 70 DATA REQUEST CH3 DACK DIC1 58 DATA ACKNOWLEDGE CH4 SDATA DIC1 60 67 DATA ...

Page 61: ...ata inputted from VIC1 A V decoder by control of MIC1 Micom Video signal converted into analog signal is outputted via amplifier of analog part Main Board AV Board VIC1 A V Decoder ZiVA 3 MIC1 Main Micom TMP93CM41F Video data TIC1 SAA7128 Video encoder TIC2 Amplifier BA7660 TIC3 Amplifier BA7660 CVBS 1 CVBS 2 Y C Y Pr Pb TIC5 4052 VCR CVBS IN AUX CVBS IN NOT EUROPE SCART JACK EUROPE G B R Fig 6 21...

Page 62: ...tection VDATA 7 0 VSYNC HSYNC 27M MRST SDA SCL 9 16 7 8 4 40 42 41 Demultiplexer Y CR CB RGB encoding Luminace processing MACROVISION 7 0 1 6 1 Cloed captions CGMS Chrominance processor CTRL CFG register Trap 10 bit DAC 30 27 24 23 26 29 CVBS Y C Pr R G Pb B TIC1 SSA7128 Fig 6 22 6 6 3 Amplifier TIC2 TIC3 BA7660 TIC2 and TIC3 are 6dB amplifier Based on CVBS signal the final output level must be 2V...

Page 63: ...nt to the CS4926 AIC1 DSP along with the audio data The CS4926 AIC1 DSP downloads the Microcode of the W27C020 AIC2 2M EPROM and the micom control executes the AC 3 decoding process according to the audio information of the disc The decoded data AIC1 39 40 41 is then sent to the CS4226 AIC3 CODEC and this CS4226 AIC3 CODEC becomes the analog output via the D A Converting process AIC3 pin 21 22 23 ...

Page 64: ...K402 480 Center Left Surround and Right Surround signals to the pin15 pin19 and pin21 of the STK402 680 Left and Right Signals with 30dB gain comes out from pin 9 10 11 12 of STK402 480 and the Center Left Surround Right Surround signals with equal gain outputs could be found in pin 9 10 11 12 22 23 of the STK402 680 which could be heard through the speakers 2 Relay Operation This operation is to ...

Page 65: ...Circuit Descriptions 6 20 Samsung Electronics MEMO ...

Page 66: ...o No Yes TE occurs in search range Focus On Yes Yes Yes No Yes A See Fine Seek Check No FINE SEEK Check FINE SEEK MIRR signal RIC1 57 is missing TZCO signal SIC1 52 is occurs Track incomming is delayed TE is within 2V and 3V Pick up transfer smooth Check RIC1 Peripheral curcuit Check SIC1 Peripheral curcuit Time out due to many jump counts Check SIC1 peripheral circuit SIC1 76 output is normal DRI...

Page 67: ... motor Check DIC1 MIC1 Check DRIC1 soldering and power Check path to RIC1 and SIC1 Check RIC1 soldering and power RIC1 86 output are normal RIC1 88 output is normal Check RIC1 peripheral circuit and A B C D Yes Yes Yes Yes Yes Yes No No No No No No No Tray open close MIC1 84 85 is Open L L Close H H Check DRIC2 26 27 output at open close Check signal line state from DRIC1 26 27 to tray motor Micom...

Page 68: ...putted from object lens at play key input No focus incoming and no disc occurs Yes No B A No focus incoming FE in SIC1 65 is within specified range DRIC4 1 2 output are normal Check open state from DRIC4 to pick up Check RIC1 and A B C D input Check DRIC4 Yes Yes No No A ...

Page 69: ... Check SIC8 DRIC2 signal transfer system Yes No NO LD ON RIC1 28 is 5V RIC1 29 output is 200mV Current exceeds 0 1A LD out pick up replace Open check in related circuit LD MPD error Replace pick up RIC1 50 output is 0V Check MIC1 Yes Yes Yes Yes Yes No No No No Divide RQ1 emitter terminal voltage and 5V real voltage difference into 33ohm B ...

Page 70: ... 432MHz Yes Yes No No AIC42 1 7 output is normal Check AIC42 peripheral circuit Yes No AIC6 3 13 out is normal Check AI6 9 10 LOW Yes No Base terminal level of AQ 51 52 53 54 are L Check FIC1 98 mute Yes No No 5 1 CH Analog signal on AIC3 pin 21 26 Z_IEC958 Digital input OK Clock and Digital output of AIC3 31 35 36 37 38 OK Output of AIC1 39 40 41 OK Check AIC3 peripheral circuit Check Main PCB Ch...

Page 71: ... and I800 Check Jack PCB Check Relay Operation Check rectification circuit Yes No Yes No Yes Replace I200 or I800 Yes No Power Standby LED OFF PF01 error PD01 voltage is missing Replace PIC1 Replace fuse Check PR10 No No Yes Yes PIC1 drain pin 1 voltage is missing Check 2d voltage No No Voltage exists in PIC1 5 Check PR11 12 13 14 Yes No Pulse is missing in PIC1 5 Replace PIC1 Check feed back Yes ...

Page 72: ... FIC2 Yes No FIC1 soldering is OK Check FIC1 soldering Yes No Operational waveform is missing in FIC3 FLT pin Check FIC1 peripheral circuit Yes Yes Key of STOP PLAY OPEN work normally Check S W interface Check communication status with main micom Check FIC1 pins 27 72 73 74 75 No No DVD play error NO DISK appears after pick up moves up and down twice at power on 27MHz clock is input in DIC1 14 VIC...

Page 73: ... of micom common bus 8 bit Check short or operating of micom Check soldering of micom and communication devices Yes No Play works Check VIC1 peripheral unit Yes No Yes Yes Yes Yes C Key operation or remote control error MIC1 9 is fixed to 0V MIC7 4 5 pin is fixed to 0V Check A V decoder signal process block Check DVD signal process block Yes Yes MIC1 10 19 waveform state 0 1 changes whenever press...

Page 74: ... data are inputed normally at pin 9 16 in TIC1 Analog signals output normally at pin 30 27 24 29 23 in TIC1 Yes No Yes D Change TIC1 No No Check the soldering of TIC1 Change TIC1 No No Analog signals are inputed normally at pin 2 4 7 in TIC2 Power is normal at pin 16 in TIC2 Check the connection between TIC1 and TIC2 Check the connection between TIC2 and Emmiter of PQ24 Yes No No Pin 1 in TIC2 is ...

Page 75: ...Troubleshooting 7 10 Samsung Electronics MEMO ...

Page 76: ...Samsung Electronics 8 1 8 Exploded View and Parts List 8 1 Cabinet Assembly 8 2 Deck Assembly Page 8 2 8 4 ...

Page 77: ... 1 151 19 20 11 13 150 152 151 14 15 16 151 12 12 152 150 610 153 153 101 153 151 151 151 151 17 17 18 150 150 151 151 605 151 S N A DECK DVD MECHA 601 ASSY PCB MAIN S N A CABINET BOTTOM S N A CHASSIS REAR 604 ASSY PCB AMP 602 ASSY PCB JACK 603 ASSY PCB S M P S 702 703 5 606 151 FCONNJ CONNM 151 UT01 701 607 ...

Page 78: ...0 DOM 20 AH61 00249A FRAME STICK ABS 94HB XEF D 101 AH64 00356B CABINET TOP PCM T 0 625 XEF DV 150 6003 000275 SCREW TAPTITE BH B M3 L10 BLK SWCH1018 151 6003 000276 SCREW TAPTITE BH B M3 L10 ZPC YEL SWC 152 6002 000414 SCREW TAPPING TH 3S M4 L8 ZPC BLK SWC 153 AH60 00025A SCREW TAP BH SILVER 601 AH92 00635A ASSY PCB MAIN DVD A500 XEF MAIN 602 AH92 00534A ASSY PCB JACK DVD A500 JACK 603 AH92 00543...

Page 79: ...8 2 Deck Assembly 903 903 225 225 903 225 223 217 222 220 218 909 201 210 212 213 209 908 208 231 229 230 230 205 203 202 227 902 207 904 901 211 219 903 224 905 901 907 215 220 216 220 221 204 206 214 906 S N A 216 S N A Service Not Available S N A S N A ...

Page 80: ...H 217 AH66 20228A RACK SLIDE DP KEPITAL F20 03 DP 218 AH30 20001B PICK UP SPU DP1 DVD 909 219 AH97 00327B ASSY MOTOR SPINDLE DP 3A DP 3A RSM 2613B 220 AH60 30020A WASHER PLAIN DP ID3 1 OD6 T0 3 RED COL 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 W 223 AH91 60121A ASSY GEAR FEED CU CL DP 1 DVD 860 224 AH63 30245B COVER SHEET T0 5 CLR BLK ...

Page 81: ...Exploded Views and Parts List 8 6 Samsung Electronics MEMO ...

Page 82: ...x0 9mm DRL2 3301 000353 CORE FERRITE BEAD AB 2 0x1 25x0 9mm DRR10 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 DRR11 2007 000087 R CHIP 6 8Kohm 5 1 16W DA TP 1608 DRR12 2007 000087 R CHIP 6 8Kohm 5 1 16W DA TP 1608 DRR13 2007 000092 R CHIP 15Kohm 5 1 16W DA TP 1608 DRR14 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 DRR3 2007 000034 R CHIP 1OHM 5 1 8W DA TP 3216 DRR4 2007 000034 R CHIP 1OHM 5 1 8W D...

Page 83: ... TP RC54 2203 000189 C CERAMIC CHIP 100nF 80 20 25V Y5V TP RC55 2203 000888 C CERAMIC CHIP 4 7nF 10 50V X7R TP 1608 RC6 2203 001052 C CERAMIC CHIP 0 56nF 10 50V X7R TP 160 RC7 2203 001640 C CERAMIC CHIP 0 39nF 10 50V X7R TP 160 RC8 2203 000384 C CERAMIC CHIP 0 015nF 5 50V NP0 TP 160 RC9 2203 000257 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 RD1 0401 000008 DIODE SWITCHING DAN217 80V 100mA SOT 23 RD2 0...

Page 84: ...x1 25x0 9mm SL3 3301 000353 CORE FERRITE BEAD AB 2 0x1 25x0 9mm SL4 3301 000353 CORE FERRITE BEAD AB 2 0x1 25x0 9mm SQ1 0504 000128 TR DIGITAL NPN 200MW 22K 22K SOT 23 TP SQ2 0504 000156 TR DIGITAL DTA124EKA PNP 200mW 22K 22K SR1 2007 000090 R CHIP 10Kohm 5 1 16W DA TP 1608 SR10 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 SR11 2007 000107 R CHIP 470Kohm 5 1 16W DA TP 1608 SR12 2007 001235 R CHIP...

Page 85: ...50P 400MIL VIC2 0402 000309 DIODE RECTIFIER 1SR154 400 400V 1A PSM VIC3 0801 002097 IC CMOS LOGIC 7SET08 AND GATE SOP 5P 110 VIC4 1105 001259 IC DRAM 416S1020 16BIT TSOP 50P 400MIL VIC6 AH14 10004R IC M74HCU04 SOP TAPE 14P VL1 3301 000353 CORE FERRITE BEAD AB 2 0x1 25x0 9mm VL10 2007 000029 R CHIP 0OHM 5 1 10W DA TP 2012 VL11 3301 000353 CORE FERRITE BEAD AB 2 0x1 25x0 9mm VL12 3301 000353 CORE FE...

Page 86: ...HIP 100nF 80 20 25V Y5V TP AC105 2203 000189 C CERAMIC CHIP 100nF 80 20 25V Y5V TP AC107 2203 000560 C CERAMIC CHIP 220nF 80 20 25V Y5V TP AC108 2203 001607 C CERAMIC CHIP 0 22nF 5 50V NP0 TP 1608 AC109 2203 001607 C CERAMIC CHIP 0 22nF 5 50V NP0 TP 1608 AC21 2203 000189 C CERAMIC CHIP 100nF 80 20 25V Y5V TP AC22 2203 000189 C CERAMIC CHIP 100nF 80 20 25V Y5V TP AC23 2203 000189 C CERAMIC CHIP 100...

Page 87: ...Q753 0501 000341 TR SMALL SIGNAL KSC1623 L NPN 200mW SOT AQ754 0501 000341 TR SMALL SIGNAL KSC1623 L NPN 200mW SOT AQ801 0504 000128 TR DIGITAL NPN 200MW 22K 22K SOT 23 TP AQ802 0504 000156 TR DIGITAL DTA124EKA PNP 200mW 22K 22K AQ803 0501 000341 TR SMALL SIGNAL KSC1623 L NPN 200mW SOT AQ804 0501 000341 TR SMALL SIGNAL KSC1623 L NPN 200mW SOT AQ851 0504 000128 TR DIGITAL NPN 200MW 22K 22K SOT 23 T...

Page 88: ...7 000076 R CHIP 330ohm 5 1 16W DA TP 1608 AR911 2007 000078 R CHIP 1Kohm 5 1 16W DA TP 1608 AR912 2007 000078 R CHIP 1Kohm 5 1 16W DA TP 1608 AR913 2007 000076 R CHIP 330ohm 5 1 16W DA TP 1608 AR914 2007 000078 R CHIP 1Kohm 5 1 16W DA TP 1608 AR915 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 AR916 2007 000076 R CHIP 330ohm 5 1 16W DA TP 1608 AR962 2007 000078 R CHIP 1Kohm 5 1 16W DA TP 1608 AR963 2...

Page 89: ...ECTOR ASSY 5264 CONNM 3708 000277 CONNECTOR FPC FC PIC 35P 1 25mm ANGLE SN CONNP AH39 00145A LEAD CONNECTOR ASSY 5264 EC11 2203 000189 C CERAMIC CHIP 100nF 80 20 25V Y5V TP EC21 2203 000189 C CERAMIC CHIP 100nF 80 20 25V Y5V TP EC31 2203 000189 C CERAMIC CHIP 100nF 80 20 25V Y5V TP EC32 2203 000189 C CERAMIC CHIP 100nF 80 20 25V Y5V TP ED21 0407 000114 DIODE ARRAY DAN202K 80V 100mA CA2 3 SOT ED22 ...

Page 90: ...07 000113 R CHIP 33ohm 5 1 16W DA TP 1608 TR105 2007 000113 R CHIP 33ohm 5 1 16W DA TP 1608 TR106 2007 000113 R CHIP 33ohm 5 1 16W DA TP 1608 TR107 2007 000113 R CHIP 33ohm 5 1 16W DA TP 1608 TR108 2007 000113 R CHIP 33ohm 5 1 16W DA TP 1608 TR109 2007 000113 R CHIP 33ohm 5 1 16W DA TP 1608 TR110 2007 000113 R CHIP 33ohm 5 1 16W DA TP 1608 TR111 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 TR112 2...

Page 91: ...001 000034 R CARBON 220OHM 5 1 4W AA TP 2 4X6 4MM PR32 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM PR33 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM PR34 2001 000440 R CARBON 1OHM 5 1 8W AA TP 1 8X3 2MM PR35 2001 000362 R CARBON 150OHM 5 1 8W AA TP 1 8X3 2MM PR36 2001 000221 R CARBON 1 2KOHM 5 1 8W AA TP 1 8X3 2M PR37 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM PR38 2004 000869 R ...

Page 92: ... R METAL OXIDE 0 22ohm 5 2W AA TP 3 9x10 R111 2001 000890 R CARBON 6 8KOHM 5 1 8W AA TP 1 8X3 2M R112 2001 000864 R CARBON 56KOHM 5 1 8W AA TP 1 8X3 2MM R113 2001 000864 R CARBON 56KOHM 5 1 8W AA TP 1 8X3 2MM R114 2001 001000 R CARBON 82KOHM 5 1 8W AA TP 1 8X3 2MM R201 2001 000577 R CARBON 2KOHM 5 1 8W AA TP 1 8X3 2MM R202 2001 000577 R CARBON 2KOHM 5 1 8W AA TP 1 8X3 2MM R203 2001 000065 R CARBON...

Page 93: ...TP 1 8X3 2M FR32 2001 000273 R CARBON 100KOHM 5 1 8W AA TP 1 8X3 2M FR33 2001 000273 R CARBON 100KOHM 5 1 8W AA TP 1 8X3 2M FR34 2001 000273 R CARBON 100KOHM 5 1 8W AA TP 1 8X3 2M FR35 2001 000273 R CARBON 100KOHM 5 1 8W AA TP 1 8X3 2M FR36 2001 000273 R CARBON 100KOHM 5 1 8W AA TP 1 8X3 2M FR37 2001 000273 R CARBON 100KOHM 5 1 8W AA TP 1 8X3 2M FR43 2001 000793 R CARBON 47OHM 5 1 8W AA TP 1 8X3 2...

Page 94: ...V 200mA DO 35 DE1 2401 001507 C AL 47uF 20 16V GP TP 6 3x5 5 DE2 2401 001507 C AL 47uF 20 16V GP TP 6 3x5 5 DL1 3301 000325 CORE FERRITE BEAD AB 3 2x2 5x1 3mm DLED 0601 001372 LED ROUND GRN 3 5MM 621NM DR1 2007 000800 R CHIP 360ohm 5 1 8W DA TP 3216 DR2 2007 000451 R CHIP 180OHM 5 1 8W DA TP 3216 DR3 2007 000451 R CHIP 180OHM 5 1 8W DA TP 3216 DR4 2007 000303 R CHIP 10KOHM 5 1 8W DA TP 3216 DR5 20...

Page 95: ...Samsung Electronics 9 14 Electrical Parts List MEMO ...

Page 96: ...t Controller VIC1 ZiVA 3 A V Decoder TIC1 SAA7128 Video Encoder VCR RIGHT TV AUX LEFT SUB WOOFER VCR LEFT VCR CVBS INPUT TV AUX CVBS INPUT CVBS OUTPUT CSS INPUT FIFO DEMUX AUDIO DSP A V DECODER AC3 MPEG5 1 VIDEO OUTPUT AIC41 AK4324 2CH DAC AIC6 BU4052 Analog Switch AIC3 CS4226 DIR ADC 6CH DAC AIC1 CS4926 dts AC 3 Pro Logic Decoder I200 2CHAMP STK402 480 I800 3CHAMP STK402 680 Right Left RIGHT LEFT...

Page 97: ...Block Diagram 10 2 Samsung Electronics MEMO ...

Page 98: ...Samsung Electronics 11 1 11 PCB Diagrams 11 2 11 3 11 4 11 4 11 5 11 6 11 6 11 6 11 1 Main 11 2 Jack 11 3 S M P S 11 4 AMP 11 5 Front 11 6 Headphone 11 7 Key 11 8 Deck ...

Page 99: ...PCB Diagrams 11 2 Samsung Electronics 11 1 Main COMPONENT SIDE SOLDER SIDE ...

Page 100: ...11 2 Jack PCB Diagrams 11 3 Samsung Electronics COMPONENT SIDE SOLDER SIDE ...

Page 101: ...PCB Diagrams 11 4 Samsung Electronics 11 3 S M P S 11 4 AMP ...

Page 102: ...11 5 Front PCB Diagrams 11 5 Samsung Electronics ...

Page 103: ...PCB Diagrams 11 6 Samsung Electronics 11 6 Headphone 11 8 Deck 11 7 Key ...

Page 104: ...Samsung Electronics 12 1 12 Wiring Diagram ...

Page 105: ...Wiring Diagram 12 2 Samsung Electronics MEMO ...

Page 106: ...S M P S 13 2 Main Power Supply 13 3 Main Micom 13 4 Servo 13 5 RF 13 6 DSP 13 7 A V Decoder 13 8 Video 13 9 Audio 5 1 Channel DSP 13 10 Audio 5 1 Channel Analog 13 11 Audio 2 Channel 13 12 Interface 13 13 Amp 13 14 Headphone 13 15 Front 13 16 Key 13 17 Deck 13 18 Remote Control Block Identification of PCB Main PCB Component Side Jack PCB Component Side ...

Page 107: ...Schematic Diagrams 13 2 Samsung Electronics 13 1 S M P S ...

Page 108: ...Schematic Diagrams 13 3 Samsung Electronics 13 2 Main Power Supply ...

Page 109: ...Schematic Diagrams 13 4 Samsung Electronics TO INTERFACE CONNM 13 3 Main Micom ...

Page 110: ...Schematic Diagrams 13 5 Samsung Electronics 13 4 Servo ...

Page 111: ...Schematic Diagrams 13 6 Samsung Electronics 13 5 RF ...

Page 112: ...Schematic Diagrams 13 7 Samsung Electronics 13 6 DSP ...

Page 113: ...Schematic Diagrams 13 8 Samsung Electronics 13 7 A V Decoder ...

Page 114: ...13 8 Video Schematic Diagrams 13 9 Samsung Electronics ...

Page 115: ...Schematic Diagrams 13 10 Samsung Electronics 13 9 Audio 5 1 Channel DSP ...

Page 116: ...Schematic Diagrams 13 11 Samsung Electronics 13 10 Audio 5 1 Channel Analog ...

Page 117: ...Schematic Diagrams 13 12 Samsung Electronics 13 11 Audio 2 Channel ...

Page 118: ...Schematic Diagrams 13 13 Samsung Electronics 13 12 Interface ...

Page 119: ...Schematic Diagrams 13 14 Samsung Electronics FROM TO 13 13 Amp ...

Page 120: ...Schematic Diagrams 13 15 Samsung Electronics FROM TO 13 14 Headphone ...

Page 121: ...Schematic Diagrams 13 16 Samsung Electronics 13 15 Front ...

Page 122: ...Schematic Diagrams 13 17 Samsung Electronics 13 16 Key ...

Page 123: ...Schematic Diagrams 13 18 Samsung Electronics 13 17 Deck ...

Page 124: ...Schematic Diagrams 13 19 Samsung Electronics 13 18 Remote Control ...

Page 125: ...Schematic Diagrams 13 20 Samsung Electronics MEMO ...

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Summary of Contents for DVD-A500

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Samsung DVD-A500, Service Manual, Page: 36 / 125

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Summary of Contents for DVD-A500

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