Samsung dvd-711 Service Manual Download Page 16 | Manualshive

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Reference Information

Samsung Electronics

2-9

2-1-7 MIC3 (T15M256A ; 32K x 8 Low Power CMOS SRAM)

A12

A14

A7

A6

A5

A3

A4

A2

A1

A0

I/O1

I/O2

I/O3

Vss

2 8

2 7

2 6

2 5

2 3

2 4

2 2

2 1

2 0

1 9

1 8

1 7

1 6

1 5

1

2

3

4

6

5

7

8

9

1 0

11

1 2

1 3

1 4

V c c

A 1 3

A 8

A 9

A 11

A 1 0

I/O8

I/O7

I/O6

I/O5

I/O4

W E

O E

C S

S O J

&

S O P

BLOCK DIAGRAM

D E C O D E R

C O N T R O L

A 0

V

SS

A14

CS

OE

WE

I / O1

I / O8

Vcc

DATA I/O

C O R E

A R R AY

SYMBOL

DESCRIPTION

A0 - A14

Address Inputs

I/O1 - I/O8

Data Inputs/Outputs

CS

Chip Select Inputs

WE

Write Enable

OE

Output Enable

Vcc

Power Supply

Vss

Ground

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Summary of Contents for dvd-711

Page 1: ... List 8 Electrical Parts List 9 Block Diagrams 10 PCB Diagrams 11 Wiring Diagram 12 Schematic Diagrams Manual DVD PLAYER CONTENTS SERVICE MANUAL DVD 811 812 818 819 711 718 818J DVD 811 812 818 819 711 718 818J DVD 711 U S A CANADA ONLY PLAY PAUSE OPEN CLOSE SKIP STOP STANDBY ON PLAY PAUSE OPEN CLOSE SKIP STOP STANDBY ON PHONES LEVEL MIN MAX ELECTRONICS Samsung Electronics Co Ltd AUG 2000 Printed ...

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: ...erted into Main PCB DCN1 See Fig 1 4 3 Disassemble the Deck 4 Disassemble the Deck PCB 1 5 2 Assembly 1 Replace the Pick up 2 Assemble the Deck PCB 3 Reassemble the Deck 4 Insert Flat Cable into Main PCB DCN1 and switch SW3 on Deck PCB to ON See Fig 1 4 FLAT CABLE TO MAIN PCB DCN1 Note If the assembly and disassembly are not done in correct sequence the Pick up may be damaged Fig 1 4 ...

Page 8: ... Select Input for the Serial Control Mode Chip select is active when SMUTE is low 9 DFS I Double Sampling Speed Input When low this pin defines the Normal Speed Mode and 128 xFs oversampling is implemented When high the DFSpin defines the Double Speed Mode implemented with 64 x Fs oversampling This pin features an internal pull down 10 DEM0 or CCLK I De emphasis Enable 0 or Control Data Clock Inpu...

Page 9: ... DVSS Digital Ground Pin 13 SDTI1 I DAC1 Audio Serial Data Input Pin 14 SDTI2 I DAC2 Audio Serial Data Input Pin 15 SDTI3 I DAC3 Audio Serial Data Input Pin 16 LRCK I Audio Input Channel Clock Pin 17 SMUTE I Soft Mute Pin Note When this pin goes to H soft mute cycle is initialized When returning to L the output mute releases 18 CCLK I Control Data Clock Pin 19 CDTI I Control Data Input Pin 20 21 C...

Page 10: ...ER NO 1CLOCK GENERATOR ROW ADDRESS BUFFERS 9 COLUMN ADDRESS BUFFER OE Vcc Vss IO0 IO15 16 9 8 8 9 9 9 9 16 512x16 PIN NO SYM TYPE DESCRITION 16 19 22 26 A0 A8 Input Address Input 14 RAS Input Row Address Strobe 28 CASH Input Column Address Strobe Upper Byte Control 29 CASL Input Column Address Strobe Lower Byte Control 13 WE Input Write Enable 27 OE Input Output Enable 2 5 7 10 31 34 36 39 I O0 I ...

Page 11: ...OUT B CLK SDATA 3 _OUT C2PO SDATA 4 _OUT S Q DT SDATA 5 _OUT W FSY SDATA 6 _OUT S 0 S1 SDATA 7 _BI SQ CK DATREQ _ IN CSTROB E _ OUT DTER_OUT DATACK_OUT TOS _ OUT Mon i tor 9 GFS_OUT FRSY Z_ OUT TX_OUT EFM O_ OUT W FCK_ OUT RFCK_ OUT CK1 6M_OUT DEMPHA_ OUT CLVLOCK_ OUT ECSY CD CLV CAV 23BIT SR Frame Sync DET PROT INS 7 35KHz VCO Tim ing Generator M M W FCK 17 58 7 3 5KHz 32 28 5 28 24 5 CIRC EFM DE...

Page 12: ...SS Digital GND 0 V 85 DVDD DIGITAL Power 5 V 86 DVDD DIGITAL Power 5 V 87 DVSS Digital GND 0 V 88 DVSS Digital GND 0 V 89 DVSS Digital GND 0 V 90 DVSS Digital GND 0 V 91 FRSYZ_OUT Frame Sync Out O Monitor 92 TX_OUT Digital Out O Monitor No Pin Name Description I O 46 DADR7_OUT DRAM Address Bus O DRAM 47 DVSS Digital GND 0 V 48 DADR0_OUT DRAM Address Bus O DRAM 49 DADR6_OUT DRAM Address Bus O DRAM ...

Page 13: ... 8BIT TIMER TIMER 6 8BIT TIMER TIMER 7 Not included in TMP95C265 64KB ROM 2KB ROM WATCHDOG TIMER PC SR XWA XBC XDE XHL XIX XIY XIZ XSP W 900 H CPU A B C D E H IX OSC PORT0 PORT1 PORT2 PORT3 PORT4 PORT5 CS WAIT CONTROLLER 4 BLOCK INTERRUPT CONTROLLER 16BIT TIMER TIMER 8 16BIT TIMER TIMER 9 IY IZ SP L 32bit F VCC 3 VSS 3 X1 X2 P00 P07 D0 D7 P10 P17 D8 D15 P20 P27 A15 A23 P30 P37 A8 A15 P40 P47 A0 A7...

Page 14: ...LOCK monitor from DSP I KS1453 108 98 PA6 FOKB Focus lock monitor from RF I KS1461 48 99 PA7 RFO RF sum signal Analog Lnput I RFO 100 VREFH 5D A D Ref Input H I 5D NO PORT NAME ASSIGNED NAME DESCRIPTION TYPE REMARK 1 VREFL DGND A D Ref Input L I DGND 2 AVss DGND A D Ref Input DGND 3 AVcc 5D A D VCC Input 5D 4 DAOUT0 MTP1 0 NC 5 DAOUT1 MPT2 0 NC 6 NMI PULL UP I 7 P53 CSB D Servo IC Chip Select 0 KS...

Page 15: ... 6 7 8 9 10 11 12 13 14 15 16 A16 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 Q0 Q1 Q2 Vss Vcc A17 A14 A13 A8 A9 A11 GVPP A10 E Q7 Q6 Q4 Q4 Q3 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 TOP VIEW Vcc Vss LOGIC DIAGRAM FUNCTION Address Inputs Chip Enable Data Outputs Output Enable Program Supply Supply Voltage Ground A19 A18 GVpp E A0 A19 A0 Q7 20 8 ...

Page 16: ...4 22 21 20 19 18 17 16 15 1 2 3 4 6 5 7 8 9 10 11 12 13 14 Vcc A13 A8 A9 A11 A10 I O8 I O7 I O6 I O5 I O4 W E O E CS SOJ SOP BLOCK DIAGRAM DECODER CONTROL A0 VSS A14 CS OE WE I O1 I O8 Vcc DATA I O CORE ARRAY SYMBOL DESCRIPTION A0 A14 Address Inputs I O1 I O8 Data Inputs Outputs CS Chip Select Inputs WE Write Enable OE Output Enable Vcc Power Supply Vss Ground ...

Page 17: ... 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 VDD1 VSS1 X1 X2 IC RESET P27 SCK1 P26 SI1 P25 SO1 P24 BUSY P23 P22 P21 SO3 P20 SCK3 P00 INTP0 P01 INTP1 P02 TI AVSS ANI3 ANI2 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 8 bit REMOTE CONTROLLER TIMER TM9 8 bit TIMER TM80 8 bit TIMER TM81 A D CONVERTER A D1 INTERRUPT CONTROL INT SERIAL INTERFACE 2 WIRE MODE SERIAL INTERFACE 3...

Page 18: ... Input output can be specified bit wise INTP1 When used as an input port an on chip pull up resistor can be connected P02 by software TI P20 I O Port 2 Input SCK3 P21 8 bit I O port SO3 P22 P23 Input output can be specified bit wise P24 When used as an input port an on chip pull up resistor can be connected BUSY P25 by software SO1 P26 SI1 P27 SCK1 P30 to P37 Output Port 3 Output FIP24 to FIP31 P ...

Page 19: ...O PLLF BCATH EQF RDPF VZOCTL AGCC RFCT EQGND CP1 MIRRI RFRPN CP2 CB2 RFRP AGCP AGCB CB1 MROFST EQIN RREFDLY VREF GENERATOR RREFBF RREF RREFEQ EQ VC AMP 58 60 59 57 65 62 63 61 64 68 67 66 69 S I F BLO C K CD1 S12 DVD1 DVD2 LDONB FLT_CTL CDRSEL TESEL AGCHOLD TBAL GAIN_TE3 ENV_SEL DVCTL_SEL DPD_MUTE GAIN_EQ GAIN_FE GAIN_ABCD TE_OFST FE_OFST ABCD_OFST DELAY_CD DELAY_AB PDLIM IT ga_RFSUM HOLD_CTL ga_P...

Page 20: ...46 FOKB O Focus OK comparator output terminal L Focus OK FOKB DSSP 47 DFCT_CP1 Connection terminal for RC value of Peak Hold for selecting the maximum time for Servo signal DFCT 48 DFCT_CP2 Connection terminal for RC value of Peak Hold for selecting the minimum defect time for PLL DFCT 49 CC1 O Peak Hold Output terminal for selecting the minimum Defect time for Defect DFCT 50 CC2 I Peak Hold AC Co...

Page 21: ...B TL KB SSTOP PS0 PS1 LOCK SMON MIRR FOKB DFCT I O IN TER FACE BLOC K D AB C SB M D ATA 7 0 M W R B SEN SE SYSC ON IN TER FACE BLOC K R OM D SP C OR E F OR D IGIT AL SER VO PL CK R VC O VC TR L EQC TL W ID E C APTU RE R ANGE PLL L D ON B PSB RSTB TEST TZCA M R D B EF M ASYMM ETR Y R FI ASY C D XOUT TILTI TILTO EFM EFM R TD R PD PL LLOC K M D OU T 3 0 DIRC ASY D VD EFM I D VC T L M AG I C 0 IN T 0_...

Page 22: ...r tracking zero cross input pin 78 MDOUT0 O Mode data0 out controlled by micom 79 MDOUT1 O Mode data1 out controlled by micom 80 MDOUT2 O Mode data2 out controlled by micom No Name I O Description 1 MDOUT3 O Mode data3 out controlled by micom 2 SSTOP PS0PS1 I Limit switch sled position sensor input pin0 3 PS1 I Sled motor position sensor input pin1 4 TEST I Test pin L normal H test 5 COUT O Counte...

Page 23: ...r Absolute Values TSD Detector Direction Detector Hall amp matrix Direction select Power Save Short vrake Lower Distributor Upper Distributor MUTE MUTE MUTE 2P 2P 2P 2P 2P 2P 2P 2P 2P 10k 10k 10k 10k PWRGND A3 A2 A1 OPIN OPIN OPOUT VCC1 AVM12 DI4 DI3 DI2 FIN GND FIN GND H3 H3 H2 H2 H1 H1 BTLSGND BIAS AVM4 MUTE12 MUTE3 MUTE4 DI1 DO1 DO1 DO2 DO2 BTLPGND1 BTLPGND2 DO3 DO3 AVM3 DO4 DO4 FIN GND SB DIR ...

Page 24: ...1 AVM12 BTL CH 1 2 MOTOR SUPPLY VOLTAGE 22 DI4 I BTL DRIVE INPUT 4 23 DI3 I BTL DRIVE INPUT 3 24 DI2 I BTL DRIVE INPUT 2 25 DI1 I BTL DRIVE INPUT 1 26 DO1 O BTL DRIVE 1 OUTPUT 27 DO1 O BTL DRIVE 1 OUTPUT 28 DO2 O BTL DRIVE 2 OUTPUT 29 DO2 O BTL DRIVE 2 OUTPUT 30 BTLPGND1 BTL POWER GROUND 1 31 BTLPGND2 BTL POWER GROUND 2 32 DO3 O BTL DRIVE 3 OUTPUT 33 DO3 O BTL DRIVE 3 OUTPUT 34 AVM3 BTL CH3 MOTOR ...

Page 25: ...face Program Stream Decoder Host Interface Audio Interface DVD CD Interface MPEG Video Decoder Subpicture Decoder OSD Decoder CD DA and LPCM Decoder Dolby Digital Audio Decoder MPEG Audio Decoder Memory Controller Host Interface Control Logic SecureView CSS Descrambling Bus Key Authentication optional Video Mixer Video Out Digital Video Encoder ...

Page 26: ...DDR0 3 3V O 100 VDD_3 3 3 3V 101 VSS GROUND 102 MADDR1 3 3V O 103 MADDR2 3 3V O 104 MADDR3 3 3V O 105 RESERVED ANALOG GND 106 NC No connect O 107 NC No connect O 108 RESERVED 3 3V I 109 NC No connect O 110 RESERVED 3 3V I 111 RESERVED 3 3V ANALOG 112 RESERVED 3 3V I 113 DAI LRCK 3 3V I O 114 DAI BCK 3 3V I O 115 VDD_3 3 3 3V 116 VSS GROUND 117 DAI DATA 3 3V I O 118 DA DATA3 3 3V O 119 DA DATA2 3 3...

Page 27: ...SERVED 3 3V I 196 RESERVED 3 3V I 197 HDATA7 3 3V I O 198 VSS GROUND Pin No Pin Name I O Voltage I O Type 199 HDATA6 3 3V I O 200 HDATA5 3 3V I O 201 HDATA4 3 3V I O 202 HDATA3 3 3V I O 203 HDATA2 3 3V I O 204 VDD_3 3 3 3V 205 VSS 3 3V 206 HDATA1 3 3V I O 207 HDATA0 3 3V I O 208 CS 3 3V I Pin No Pin Name I O Voltage I O Type ...

Page 28: ...le CKE should be enabled at least one cycle prior to new command Disable input buffers for power down in standby A0 A10 AP Address Row column addresses are multiplexed on the same pins Row address RA0 RA10 column address CA0 CA7 BA Bank Select Address Selects bank to be activated during row address latch time Selects bank for read write during column address latch time RAS Row Address Strobe Latch...

Page 29: ...Reference Information 2 22 Samsung Electronics MEMO ...

Page 30: ...aximum Play Time 74min CD 8Cm Reading Speed 1 2to 1 4 m sec Compact Disc Maximum Play Time 20min VCD 12Cm Reading Speed 1 2 to 1 4 m sec Maximum Play Time 74min Video Audio Composite Video 2 channel 1 0Vp p 75ohm load Y 1 0Vp p 75ohm load Video Output Component Video Pr 0 70Vp p 75ohm load Pb 0 70Vp p 75ohm load S Video Luminance Signal 1Vp p 75ohm load Chrominance Signal 0 286Vp p 75ohm load 2 Ch...

Page 31: ...in VCD 12Cm Reading Speed 1 2 to 1 4 m sec Maximum Play Time 74min Video Audio Composite Video 2 channel 1 0Vp p 75ohm load R Red 0 714 Vp p 75ohm load G Green 0 714 Vp p 75ohm load Scart Jack B Blue 0 714 Vp p 75ohm load Video Output Composite Video 1 0 Vp p 75ohm load Luminance Signal 1 0 Vp p 75ohm load Color Signal 0 286 Vp p 75ohm load S Video Luminance Signal 1Vp p 75ohm load Chrominance Sig...

Page 32: ...t and PCB 4 1 1 Top Cabinet Removal 1 Remove 3 Screws Œ on the back Top Cabinet 2 Remove 2 Screws ˇ on the left and right side 3 Lift up the Top Cabinet in direction of arrow Œ 3 SCREWS 1 SCREW ˇ 1 SCREW Fig 4 1 Top Cabinet Removal Note Reassembly in reverse order ...

Page 33: ...he 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 push it in the direction of arrow B Open Tray manually Œ TRAY DOOR TRAY A ˇ EMERGENCY HOLE Side View SCREW DRIVER B Fig 4 2 Door Tray Removal ...

Page 34: ...Y PCB ASS Y FRONT CABINET ˇ KNOB SHUTTLE KNOB JOG Œ KNOB VOLUME Fig 4 3 Ass y Front Cabinet Key PCB Removal 4 1 3 Ass y Front Cabinet Key PCB Removal 1 Remove Knob Volume Œ and Ass y Front Cabinet 2 Remove Knob Shuttle ˇ and Knob Jog 3 Remove 3 Screws ˆ and Key PCB Ø ...

Page 35: ... Deck Removal 1 Remove 4 Screws Œ from the Ass y Deck and lift it up CAUTIONS 1 When disassembling switch the SW3 to OFF on the Deck PCB and remove the Flat Cable connected to DCN1 on Main PCB 2 When assembling insert the Flat Cable into the DCN1 on Main PCB and switch SW3 to ON on the Deck PCB Fig 4 4 Ass y Deck Removal ...

Page 36: ...CB 3 SCREWS 2 SCREWS ˇ JACK PCB Œ 1 SCREW SCART JACK MODEL ONLY Fig 4 5 Main PCB Jack PCB Removal 4 1 5 Main PCB Jack PCB Removal 1 Remove 1 Screw Œ Scart Jack model only 2 Remove 2 Screws and lift up the Jack PCB ˇ 3 Remove 3 Screws and lift up the Main PCB ˆ ...

Page 37: ...4 6 Samsung Electronics Disassembly and Reaasembly MAIN PCB JACK PCB KEY PCB 4 2 PCB Location Fig 4 6 PCB Location ...

Page 38: ...EY PCB CT1 JACK PCB MAIN PCB ˇ Ø CT2 CT4 NO CONNECTOR NO DIRECTION CONNECTOR NO NO Œ CON22 KEY PCB JACK PCB CN3 ˇ PCNS1 JACK PCB MAIN PCB PCN1 ˆ FLAT CABLE DECK ASS Y MAIN PCB DCN1 Ø CN1 JACK PCB MAIN PCB CN8 CT1 CT2 CT3 CT4 4 3 Connector Diagram Fig 4 7 Connector Diagram ...

Page 39: ...D Œ and TM TM 2 Disconnect CN3 ˇ CN2 3 Remove 1 Screw ˆ and lift up the PCB Deck Ø 4 Remove 1 Screw 5 Push the Hook in the direction of arrow A and lift up the Ass y P U Deck in direction of arrow B Fig 4 8 PCB Deck Ass y and Ass y P U Deck Removal Œ SLED SLED TM TM ˆ 1 SCREW Ø DECK PCB 1 SCREW HOOK B A ASS Y P U DECK Assembly Point ˇ CN3 CN2 ...

Page 40: ... Housing ˇ in the direction arrow A 2 When the Tray Disc comes out little pull it in the direction arrow B by hand 3 Pull the Tray Disc to disassemble while simultaneously pushing 2 Stoppers ˆ left right in the direction arrow C D Fig 4 9 Tray Disc Removal TRAY DISC B A Œ SCREW DRIVER EMERGENCY HOLE C ˇ SLIDER HOUSING ˆ STOPPER ˆ STOPPER D ...

Page 41: ...lectronics Disassembly and Reaasembly 4 4 3 Slider Housing Removal 1 Push the Slider Housing Œ in the direction arrow A 2 Lift up the Slider Housing Œ Fig 4 10 Slider Housing Removal A Œ SLIDER HOUSING Assembly PUSH ...

Page 42: ...r 3 Push the Hook ˆ in the direction arrow A and lift up Gear Tray Ø Gear Housing 4 Push the 4 Hooks bottom side in the direction arrow B and lift up the Motor Load Ass y 5 Remove Clamper Ass y Fig 4 11 Housing Ass y Removal Œ BELT 1 SCREW ˇ 1 SCREW PULLEY GEAR ˆ HOOK A Ø GEAR TRAY GEAR HOUSING MOTOR LOAD ASS Y CLAMPER ASS Y Bottom Side 4 HOOKS B B B B ...

Page 43: ...4 12 Samsung Electronics Disassembly and Reaasembly 4 4 5 Sub Chassis Removal 1 Remove the 4 Screws Œ 2 Lift up the Ass y Brkt Deck Fig 4 12 Sub Chassis Removal Œ 4 SCREWS ASSY BRAK DECK ...

Page 44: ...d B Gear Feed A ˇ 3 Remove 2 Screws 4 Remove Shaft Pick Up ˆ and Pick Up Assy Ø 5 Remove 1 Screw 6 Remove 2 Screws 7 Remove 3 Spring Spindle and Motor Spindle Ass y Fig 4 13 Ass y Brkt Deck Removal 2 SCREW Œ WASHER GEAR FEED B 2 SCREWS 1 SCREW ˆ SHAFT PICK UP ˇ GEAR FEED A Ø PICK UP ASS Y SPRING SPINDLE MOTOR SPINDLE ...

Page 45: ...4 14 Samsung Electronics Disassembly and Reaasembly MEMO ...

Page 46: ... a Linear Vreg Vout Vs Ns Vp Np REGULATOR Common power Ex 120 127V 60Hz Fig 5 1 Linear Power Supply Waveform Description Vs t 0 Fig 5 2 Vs t 0 Fig 5 3 Vout t 0 Fig 5 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 5 1 1 b S M P S Pulse width modulation method v Vreg Vout 0 t Change by common power Regulator loss Fig 5 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: ...h 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 PQR11 because dt is a very short 2 SNUBBER circuit protects PIC1 from damage through leakage voltage suppression by RC Charges the leakage voltage to PER11 PDS11 PCR11 PCD12 and discharges to PR15 and ...

Page 49: ... 5 8V 2 If load of 5 8V terminal decreses or AC inout voltage increases and Vout increases over 5 8V Then PICS2 Vs potential up over 2 5V PICS2 Vc down PICS1 A K potential down PICS1 C E current up PQR12 base current up PQR11 base current down Vout down Maintain 5 8V PRD31 PRD32 Reduce 5 8V overshoot PRS32 PCS32 Prevent PICS2 oscillation for phase correction 5 1 2 d Feedback Control Circuit Fig 5 ...

Page 50: ...oval SNUBBER Power TR Control Circuit Converter Voltage Detection Circuit FLT Driving Circuit 3 3V Rectified Smoothing Circuit 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 5 10 ...

Page 51: ...ear Vreg Vout Vs Ns Vp Np REGULATOR Common power Ex 110 240V 50 60Hz Fig 5 11 Linear Power Supply Waveform Description Vs t 0 Fig 5 12 Vs t 0 Fig 5 13 Vout t 0 Fig 5 14 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 52: ...ed by margin design Greater core size and condensor capacity are ne eded because the transformer works on a single power frequency 5 2 1 b S M P S Pulse width modulation method v Vreg Vout 0 t Change by common power Regulator loss Fig 5 15 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 53: ...resistance PLF01 PLS01 resistance PCD01 resistance PRF10 AC230V based approx 26A Without PRF10 the bridge diode might be damaged as the rush current increases 5 2 2 b SNUBBER Circuit PRS11 PRS12 PRD12 PCD12 PDS11 PCF11 0 Vswitch dt Toff t Inverted power by leakage inductance Fig 5 17 5 2 2 c PICF1 Vcc circuit 1 PCD11 PCF12 PCF13 PCF14 PICF1 driving resistance PICF1 works through driving resistance...

Page 54: ...ase current down PICS2 of A K current down PICS1 Diode current down PICS1 C E current down PICS1 C E voltage up PICF1 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 t...

Page 55: ...tage Detection Circuit FLT Driving Circuit 3 3V Rectified Smoothing Circuit 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 5 19 5 2 3 b PICF1 STR G6551 Internal Block Diagram VIN D S 4 1 2 O C P 5 GND 3 DR...

Page 56: ...1 b RF signal Fig 5 21 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 5 22 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 gai...

Page 57: ...s 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 58: ...s the key commands of front panel or instructions of remote control through communication with Micom FIC1 uPD780232 of front and controls the devices on board to execute the corresponding commands after initializing the devices connected with micom on board at power on 5 4 2 Block Diagram RIC1 RF AMP KS1461 SIC1 DIGITAL SERVO KS1452 ZIC1 A V DECODER ZIVA4 1 AIC1 D A CONVERTER AK4393 DIC1 DATA PROC...

Page 59: ...eously CH1 CS2 MIC2 22 EPROM CHIP SELECT CH2 DSPCS DIC1 2 DATA PROCESSOR CHIP SELECT CH3 DVD1CS ZIC1 208 A V DECODER CHIP SELECT CH4 SRVCS SIC1 10 DIGITAL SERVO CHIP SELECT CH5 WR MIC1 89 MICOM OUTPUT WRITE SIGNAL CH6 RD MIC1 88 MICOM OUTPUT READ SIGNAL CS2 DSPCS DVD1CS CSB RD WR Fig 5 24 CH1 CS2 MIC2 22 EPROM CHIP SELECT CH2 DSPCS DIC1 2 DATA PROCESSOR CHIP SELECT CH3 DVD1CS ZIC1 208 A V DECODER ...

Page 60: ...IP SELECT CH2 DSPCS DIC1 2 DATA PROCESSOR CHIP SELECT CH3 DVD1CS ZIC1 208 A V DECODER CHIP SELECT CH4 SRVCS SIC1 10 DIGITAL SERVO CHIP SELECT CH5 WR MIC1 89 MICOM OUTPUT WRITE SIGNAL CH6 RD MIC1 88 MICOM OUTPUT READ SIGNAL CS2 DSPCS DVD1CS CSB RD WR Fig 5 26 Servo Access ...

Page 61: ...etween object lens of Pick up and disc for surface vibration of disc 2 Tracking SERVO Make the object lens follow the 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...

Page 62: ... Pin65 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 26 27 of SIC4 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 ...

Page 63: ... LINKED SERVO Normal play 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 MIRR and TZC signal of SIC1 38 52 Then read ID and compute the existing track count after input ...

Page 64: ... 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 space wher...

Page 65: ...6 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 5 30 CH1 STROBE DIC1 69 CLOCK CH2 REQ DIC1 70 DATA REQUEST CH3 DACK DIC1 58 DATA ACKNOWLEDGE CH4 SDATA DIC1 60 67 DATA ...

Page 66: ...Jack Board ZIC1 A V Decoder ZiVA 4 with Video Encoder MIC1 Main Micom TMP95C265F Video data Low Pass Filter 6MHz VIC1 Amplifier BA7660 CVBS Y C CVBS Y B U C R V Main Board Jack Board ZIC1 A V Decoder with video encoder ZiVA 4 MIC1 Main Micom TMP95C265F Video data Low Pass Filter 6MHz VIC1 Amplifier BA7660 VIC2 Amplifier BA7660 CVBS Y C Y Pr Pb CVBS_S Y Pb C Pr CVBS Y RCA Jack SCART Jack SCIC3 1405...

Page 67: ...re To convert the extended data to quantization noise as possible ZIC1 adopts 10bit D A converter ZIC1 perform video en coding as well as copy protection 5 7 3 Amplifier VIC1 VIC2 BA7660 VIC1 and VIC2 are 6dB amplifier Based on CVBS signal the final output level must be 2Vpp without 75ohm ter minal resitance Because the level of video encoder output is only 1 1Vpp the level is adjusted with the sp...

Page 68: ...lified by SIC4 and SIC6 and outputted through the SCART jack The scart jack has the functional select signal slow switching that the TV can select automatically RF and the external video signal SCQ3 to SCQ7 are related to the circuit to point FIC1 pin 100 94 NEC pin 27 41 Sanyo controls When the TV aspect ratio is 4 3 or 16 9 it is outputted 4 5 7V or 9 5 12V each But when the DVD video source is ...

Page 69: ...t and analog audio output and surround L R center and subwoofer aren t outputted If DVD of 2 channels source disc is used it is outputted by the same way with CD and VCD If 5 1 channel source disc front L R channel is outputted in Data 1 Surround L R in Data 2 and Center Sub woofer in Data 3 At that time 5 1 channel can be downmixed in 2 channel in Data 0 AIC1 AK4393 AIC2 AK4356 D A CONVERTER 5 1 ...

Page 70: ...ta is that data isn t compressed so it is called CD DA LPCM data The 2 channels data is converted through audio decoder 2 channel data and Data 0 and Data 1 are outputted in digital audio interface Via IEC 958 output process they is transmitted to digital amplifier or AC 3 MPEG DTS amplifier built in the external digital input source with IEC 958 1937 transmission format AUDIO INPUT BUFFER AUDIO O...

Page 71: ...Circuit Descriptions 5 26 Samsung Electronics MEMO ...

Page 72: ...tputted 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 73: ...Sled Motor and connection Check MIC1 Yes No LED SLED SIC4 32 33 output are normal Check SIC4 Yes No NO LD ON RIC1 28 is 5V Current exceeds 0 1A LD out pick up replace Open check in related circuit Check MIC1 Yes Yes Yes No No Divide RQ1 emitter terminal voltage and 5V real voltage difference into 10ohm B ...

Page 74: ...ocus On Yes Yes Yes A See Fine Seek Check No Yes Check pick up 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 SIC4 28 29 terminal outpu...

Page 75: ... 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 SIC4 35 36 output at open close Check signal line state from SIC4 35 36 to tray motor Micom M...

Page 76: ...1 1 7 output is normal Check AOP1 peripheral circuit Yes No Base terminal level of AQ1 AQ3 are L Check FIC1 47 mute Yes No Front L R output error Analog Audio output Normal DATA 1 is input in AIC2 13 Analog output of AIC2 1 2 43 44 is normal Check AVJ3 peripheral soldering shot Check ZIC1 120 output Check ZIC1 125 CD VCD 16 9344MHz DVD 18 432MHz Yes Yes No No AOP2 1 7 output is normal Check AOP2 p...

Page 77: ...output is normal Check AOP3 peripheral circuit Yes No Base terminal level of AQ75 AQ77 are L Check FIC1 97 mute Yes No Center Sub woofer output error Analog Audio output Normal DATA 3 is input in AIC2 15 Analog output of AIC2 35 36 37 38 is normal Check AVJ3 peripheral soldering shot Check ZIC1 118 output Check ZIC1 125 DVD 18 432MHz Yes Yes No 5 1 channel is contained in playing disc Output only ...

Page 78: ...eripheral soldering shot Check ZIC1 peripheral circuit Check AIC3 Yes No No Yes S Video output error VSW1 video select switch is up position VR121 of VSW1 is high state Move the select switch to up position Check the soldering of VSW1 Yes No No Pin 87 in FIC1 is high state Check the connection between pin 87 in FIC1 and VR121 Yes No Yes C ...

Page 79: ...d emitter of PQS58 Check the connection between pin 10 in FIC1 and pin 1 in VIC1 Check the soldering of VIC1 No No Check the connection between VIC1 and output jack Pin of VDD_2 5 VDD 3 3 in Zic1 has normal level Check the connection between pin 1 in PCNS1 and pin 3 in ZIC5 Yes No Peak to peak voltage level of pin 10 in VIC1 is 2V Video signal of about 1V appears at output jack Yes No Yes Check th...

Page 80: ...IC3 Check the pin 9 10 11 in SCIC3 L state No Check the connection with pin 10 13 15 in SCIC6 Check the connection with pin 2 4 7 in VIC1 RGB signal is inputed at pin 2 4 7 in SCIC6 RGB signal is outputed at pin 7 11 15 in SCJ1 No Yes Check the SCART cable Change the SCART output in setup menu to RGB DVD play error NO DISK appears after pick up moves up and down twice at power on 27MHz clock is in...

Page 81: ...k feed back Yes Yes No Yes All power is measured correctly and front cable is properly connected All clocks 20MHz 33 8688MHz 27MHz of main PCB oscillate normally Check A V decoder signal process block Check all clock oscillating parts Yes Yes No CS2 RD WR signal occur Check short pin out of micom common bus 8 bit Check short or operating of micom Check soldering of micom and communication devices ...

Page 82: ...No front SET operation REF 5V all 28V power is supplied 12MHz oscillation FY1 If the problem persists Check after replacing Jack PCB with another one Check other parts for abnormal front operation persists Check power status Check X TAL peripheral circuit Yes Yes No No Reset working in FIC1 12 Check reset peripheral circuit of FIC2 Yes No FIC1 soldering is OK Check FIC1 soldering Yes No Key of STO...

Page 83: ...Troubleshooting 6 12 Samsung Electronics MEMO ...

Page 84: ...Samsung Electronics 7 1 7 Exploded View and Parts List 7 1 Cabinet Assembly 7 2 Deck Assembly Page 7 2 7 4 ...

Page 85: ...ng Electronics 7 1 Cabinet Assembly UT01 l 151 602 ASS Y PCB JACK 151 151 S N A Service Not Available CN1A 100 ASSY DVD DECK 12 11 12 S N A CABINET BOTTOM S N A CHASSIS REAR 13 152 152 701 3 4 5 151 1 2 101 150 150 150 601 ASSY PCB MAIN 610 ...

Page 86: ...DVD 812 AH97 00358C AH97 00363A AH64 11306Q AH64 00481A AH64 00484A AH64 00489A 6003 000275 AH92 00337R AH92 00747D AH59 10141A AAFES DVD 819 AH97 00358K AH97 00363A AH64 11306Q AH64 00481A AH64 00484A AH64 00489A 6003 000275 AH92 00337R AH92 00747Q AH59 10141A EUROPE DVD 711 AH97 00358E AH97 00363D AH64 11306R AH64 00481B AH64 00484B AH64 00489B AH60 00025A AH92 00337K AH92 00747B AH59 10141T SOU...

Page 87: ...rts List 7 4 Samsung Electronics 7 2 Deck Assembly H108 905 H104 H106 H109 H110 H105 H107 H103 H102 H100 H200 S N A H220 H203 H207 H208 904 903 H205 H204 900 S N A 900 901 S N A H206 H210 906 900 H240 H241 900 H202 900 H202 ...

Page 88: ...ULLEY GEAR POM M90 44 H106 AH31 00015A MOTOR LOAD ASSY DP 5 H107 AH66 00112A BELT PULLEY CR T1 5 ID30 DP 5 H108 AH66 00073A GEAR TRAY POM M90 44 H109 AH66 00079A SLIDER HOUSING DP 5 POM KEPITAL F2 H110 AH66 00081A TRAY DISC ABS HR0370F BLK DP 5 H200 AH97 00369B ASSY P U DECK 2LD DP 5 H202 AH73 00023A RUBBER INSULATOR BUTYL RUBBER DP 3 H203 AH61 50327A SHAFT P U DP SUS420J2 OD3 L84 7 S FINISH H204 ...

Page 89: ...Exploded Views and Parts List 7 6 Samsung Electronics MEMO ...

Page 90: ...S LOGIC 7SET00 NAND GATE SOP 5P 63 MIC8A 3704 000472 SOCKET IC 32P DIP SN 2 54mm ML1 3301 000353 CORE FERRITE BEAD AB 120ohm 2x1 25x0 9mm MR1 2007 000090 R CHIP 10Kohm 5 1 16W DA TP 1608 MR10 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 MR11 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 MR12 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 MR14 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 MR15 2007 000...

Page 91: ... 1608 RR41 2007 000708 R CHIP 3 9Kohm 1 1 16W DA TP 1608 RR43 2007 000090 R CHIP 10Kohm 5 1 16W DA TP 1608 RR44 2007 000090 R CHIP 10Kohm 5 1 16W DA TP 1608 RR45 2007 000090 R CHIP 10Kohm 5 1 16W DA TP 1608 RR46 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 RR47 2007 000102 R CHIP 100Kohm 5 1 16W DA TP 1608 RR48 2007 000102 R CHIP 100Kohm 5 1 16W DA TP 1608 RR49 2007 000084 R CHIP 4 7Kohm 5 1 16W ...

Page 92: ...ohm 5 1 16W DA TP 1608 SR60 2007 000097 R CHIP 47Kohm 5 1 16W DA TP 1608 SR67 2007 000034 R CHIP 1OHM 5 1 8W DA TP 3216 SR68 2007 000034 R CHIP 1OHM 5 1 8W DA TP 3216 SR7 2007 000799 R CHIP 360ohm 5 1 16W DA TP 1608 SR70 2007 000090 R CHIP 10Kohm 5 1 16W DA TP 1608 SR71 2007 000090 R CHIP 10Kohm 5 1 16W DA TP 1608 SR73 2007 000090 R CHIP 10Kohm 5 1 16W DA TP 1608 SR74 2007 000090 R CHIP 10Kohm 5 1...

Page 93: ...ERAMIC MLC AXIAL 100nF 80 20 50V Y5V AUDIO 5 1CH ONLY AC201 2203 000192 C CERAMIC CHIP 100nF 80 20 50V Y5V TP AC202 2203 000260 C CERAMIC CHIP 10nF 10 50V X7R TP 2012 AC203 2203 000260 C CERAMIC CHIP 10nF 10 50V X7R TP 2012 AC34 2201 000557 C CERAMIC DISC 0 47nF 10 50V SL TP 8x3 AUDIO 5 1CH ONLY AC4 2202 002037 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V AC5 2202 002037 C CERAMIC MLC AXIAL 100nF 80 20...

Page 94: ... 1KOHM 5 1 10W DA TP 2012 AUDIO 5 1CH ONLY AR147 2007 000026 R CHIP 200OHM 5 1 10W DA TP 2012 AUDIO 5 1CH ONLY AR148 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP 1 8X3 2M AUDIO 5 1CH ONLY AR149 2001 000490 R CARBON 200OHM 5 1 8W AA TP 1 8X3 2MM AUDIO 5 1CH ONLY AR15 2007 000468 R CHIP 1KOHM 5 1 10W DA TP 2012 AR150 2007 001224 R CHIP 9 1KOHM 5 1 10W DA TP 2012 AUDIO 5 1CH ONLY AR152 2001 000290 R CAR...

Page 95: ... R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM FR74 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM FR81 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM FRS1 2007 000300 R CHIP 10KOHM 5 1 10W DA TP 2012 FY1 2801 003868 CRYSTAL UNIT 5MHz 30ppm 28 AAA 12pF 100o HC1 2202 002037 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V HEADPHONE ONLY HC2 2203 000192 C CERAMIC CHIP 100nF 80 20 50V Y5V TP HEADPHONE ONLY H...

Page 96: ...200MW 4 7K 4 7K S PQS56 0504 000128 TR DIGITAL NPN 200MW 22K 22K SOT 23 TP PQS57 0501 000616 TR SMALL SIGNAL KSC2328A Y NPN 1W TO 92L PQS58 0501 000616 TR SMALL SIGNAL KSC2328A Y NPN 1W TO 92L PRD11 2003 000119 R METAL OXIDE 0 68ohm 5 2W AE TP 6x16mm 120 VOLTAGE ONLY PRD12 2003 000148 R METAL OXIDE 100OHM 5 2W AE TP 6X16MM FREE VOLTAGE ONLY PRD31 2007 000468 R CHIP 1KOHM 5 1 10W DA TP 2012 FREE VO...

Page 97: ...CK ONLY SCR46 2007 000290 R CHIP 100OHM 5 1 10W DA TP 2012 SCART JACK ONLY SCR5 2007 000686 R CHIP 3 3KOHM 5 1 10W DA TP 2012 SCART JACK ONLY SCR71 2007 001239 R CHIP 910OHM 5 1 10W DA TP 2012 SCART JACK ONLY SCR76 2007 000931 R CHIP 470OHM 5 1 10W DA TP 2012 SCART JACK ONLY SVJ1 3722 001375 JACK DIN 4P NI BLK SW1 3404 000160 SWITCH TACT 12V 50mA 160gf 50gf 6 55x7 VC1 2202 000205 C CERAMIC MLC AXI...

Page 98: ...0NF 30 16V Y5S TP DC4 2202 000797 C CERAMIC MLC AXIAL 10NF 30 16V Y5S TP DC5 2202 000797 C CERAMIC MLC AXIAL 10NF 30 16V Y5S TP DD1 0401 000101 DIODE SWITCHING 1N4148 100V 200mA DO 35 DD2 0401 000101 DIODE SWITCHING 1N4148 100V 200mA DO 35 DR1 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM DR2 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM DR3 2001 000515 R CARBON 220OHM 5 1 8W AA TP 1 8X3...

Page 99: ...8 10 Samsung Electronics Electrical Parts List MEMO ...

Page 100: ... MIC1 TMP95C265F Main Controller FIC1 uPD780232 Front Controller ZIC1 ZiVA 4 1 A V Decoder CVBS R Pr B Pb G Y Lt Rt Optical A V Decoder AC3 MPEG 5 1 Video Encoder 4DAC AUDIO DSP CSS INPUT FIFO DEMUX AIC1 AK4393 2 CH Audio DAC Down L R Compo Post Filter Y B Pb Post Filter C R Pr Post Filter Comp G Y IEC958 1937 VIC1 BA7660 6dB AMP VIC2 BA7660 6dB AMP MIC3 1M SDRAM C T S W R L R R F L F R AIC2 AK435...

Page 101: ...er Lt Rt Optical A V Decoder AC3 MPEG 5 1 Video Encoder 4DAC AUDIO DSP CSS INPUT FIFO DEMUX AIC1 AK4393 2 CH Audio DAC Down L R MIC3 1M SDRAM SCIC3 14053 Switch SCIC4 NJM2267 AMP SCIC5 14053 Switch SCIC6 BA7660 AMP SCIC1 2 14053 Switch SCJ1 VCR SCJ1 TV RGB_DVD CVBS_DVD COMP Y B Pb L R_DVD CVBS_TV_IN CVBS_TV_OUT L R_TV RGB_TV CVBS_VCR _IN CVBS_VCR_IN RGB_VCR L R_VCR Post Filter Yout Cout CVBS Post ...

Page 102: ...Samsung Electronics 10 1 10 PCB Diagrams 10 2 10 3 10 4 10 4 10 1 Main 10 2 Jack 10 3 Key 10 4 Deck ...

Page 103: ...PCB Diagrams 10 2 Samsung Electronics 10 1 Main COMPONENT SIDE SOLDER SIDE ...

Page 104: ...PCB Diagrams Samsung Electronics 10 3 10 2 Jack ...

Page 105: ...PCB Diagrams 10 4 Samsung Electronics 10 3 Key 10 4 Deck ...

Page 106: ...Samsung Electronics 11 1 11 Wiring Diagram ...

Page 107: ...Wiring Diagram 11 2 Samsung Electronics MEMO ...

Page 108: ...oltage 12 2 Power Free Voltage 12 3 Main Micom 12 4 Servo 12 5 Video RCA Jack Output 12 6 Video SCART Jack Output 12 7 Audio 12 8 Audio 5 1 Channel 12 9 RF 12 10 ZiVA A V Decoder 12 11 DSP 12 12 Front Micom VFD Display 12 13 Headphone 12 14 Key 12 15 Deck 12 16 Remote Control Block Identification of PCB Main PCB Component Side Jack PCB Conductor Side ...

Page 109: ...Schematic Diagrams 12 2 Samsung Electronics 12 1 Power 120 127 Voltage ...

Page 110: ...Schematic Diagrams Samsung Electronics 12 3 12 2 Power Free Voltage ...

Page 111: ...Schematic Diagrams 12 4 Samsung Electronics 12 3 Main Micom ...

Page 112: ...Schematic Diagrams Samsung Electronics 12 5 12 4 Servo ...

Page 113: ...Schematic Diagrams 12 6 Samsung Electronics TO AUDIO 5 1 CHANNEL 12 5 Video RCA Jack Output ...

Page 114: ...Schematic Diagrams Samsung Electronics 12 7 TO AUDIO 5 1 CHANNEL 12 6 Video SCART Jack Output ...

Page 115: ...Schematic Diagrams 12 8 Samsung Electronics TO AUDIO 5 1CHANNEL 12 7 Audio ...

Page 116: ...Schematic Diagrams Samsung Electronics 12 9 12 8 Audio 5 1 Channel ...

Page 117: ...Schematic Diagrams 12 10 Samsung Electronics 12 9 RF ...

Page 118: ...Schematic Diagrams Samsung Electronics 12 11 12 10 ZiVA A V Decoder ...

Page 119: ...Schematic Diagrams 12 12 Samsung Electronics 12 11 DSP ...

Page 120: ...Schematic Diagrams Samsung Electronics 12 13 TO AUDIO 5 1 CHANNEL 12 12 Front Micom VFD Display ...

Page 121: ...Schematic Diagrams 12 14 Samsung Electronics 12 13 Headphone ...

Page 122: ...Schematic Diagrams Samsung Electronics 12 15 12 14 Key ...

Page 123: ...Schematic Diagrams 12 16 Samsung Electronics 12 15 Deck ...

Page 124: ...Schematic Diagrams Samsung Electronics 12 17 12 16 Remote Control ...

Page 125: ...Schematic Diagrams 12 18 Samsung Electronics MEMO ...

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