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Samsung DVD-P380 Service Manual Download Page 40

Trouble Shooting

4-

Samsung Electronics

CD/DVD L/R output error

(Mix Audio output)

Is AIC-, 

output normal

Base terminal level

of AQ are "L"?

Check JACK peripheral

soldering shot

Check A IC-ACI peripheral 

circuit

No

Yes

No

Check ZIC-4 mute.

Yes

Refer to a pattern 

image of Table 4-9

Refer to a pattern 

image of Table 4-9

Summary of Contents for DVD-P380

Page 1: ...ble International and or domestic law Chassis NEXINO BASIC DVD P380 Application Model DVD P380 Application Areas XSE XSS XFA UMG CHN AFR MEA SIM XAC If you want to know additional information which is not included on this Service Manual Please refer to the SKP Samsung Knowledge Portal web site Area Web Site North America URL http service samsungportal com Latin America URL http latin samsungportal...

Page 2: ...2 4 2 Software Update 4 24 5 Exploded View and Parts List 5 1 5 10 5 1 Cabinet Assembly 5 2 5 2 DVD Mechanical Parts 5 4 5 3 Electrical Parts List 5 6 6 PCB Diagrams 6 1 6 10 6 1 Wiring Diagram 6 2 6 2 Main PCB 6 3 6 3 S M P S PCB 6 6 6 4 Front Key PCB 6 8 6 5 Power Key PCB 6 9 7 Schematic Diagrams 7 1 7 14 7 1 All block Diagram 7 2 7 2 Power 7 3 7 3 S M P S S M P S PCB 7 5 7 4 Video Main PCB 7 6 ...

Page 3: ... a metering system that complies with American National Standardsp institute ANSI C101 1 Leakage Current for Appliances and Underwriters 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 scr...

Page 4: ...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 5: ...nd lead last 2 The service precautions are indicated or printed on the cabinet chassis or components When servicing follow the printed or indicated service precautions 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 identified by shading by or by in the ...

Page 6: ...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 sufficient to damage ESD devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ESD devices 6 Do not remove a replacement ESD devic...

Page 7: ... your hands on the conductive 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 6 Short the short t...

Page 8: ...isassemble the Deck Assy 3 Make solder land 2 points short on Pick up See Fig 1 4 4 Disassemble the Pick up 1 5 2 Assembly 1 Replace the Pick up 2 Remove the soldering 2 points on Pick up 3 Reassemble the Deck Assy Note If the assembly and disassembly are not done in correct sequence the Pick up may be damaged Fig 1 4 ...

Page 9: ...Sided Single Layer Disc 135min CD 12Cm Compact Disc Reading Speed 4 8 5 6m sec Maximum Play Time 74min CD 8cm Compact Disc Reading Speed 4 8 5 6m sec Maximum Play Time 20min VCD 12Cm Reading Speed 4 8 5 6m sec Maximum Play Time 74min Video Output Composite Video 1 channel 1 0 Vp p 75 Ω load Component Video Y 1 0 Vp p 75 Ω load Pr 0 70 Vp p 75 Ω load Pb 0 70 Vp p 75 Ω load Audio Output 2 Channel L ...

Page 10: ... 3 Progressive Scan Progressive scanning creates an improved picture with double the scan lines of a conventional interlaced picture Excellent Sound Dolby Digital a technology developed by Dolby Laboratories provides crystal clear sound reproduction USB You can enjoy the media files such as pictures movies and tunes saved in an MP3 player USB memory or digital camera in high audio by connecting th...

Page 11: ...age media for the computer DVD RAM Rewritable Data access storage media for the computer Table 2 2 Disc Types Logo Recording Types Disc size Max Playing Time Characteristics Audio Video 12 Cm Single Sided 240 min DVD contains excellent sound and video due to Dolby Digital and MPEG 2 system VariousScreenand audio functions can be easily selected through the on screen menu Double single 480 min 8 Cm...

Page 12: ...eed for external power supply Allowing some devices to be used without requiring individual devices driver to be installed 2 1 5 b Device Class 0X08 USB mass storage device class used for USB flash drives Memory card reader digital audio 0X09 USB hubs 0X0B Smart card readers 0X0E USB video device class web cam like devices motion image capture devices 0XE0 Wireless controller for example Bluetooth...

Page 13: ...Samsung Electronics 2 Product Specification Fig 2 1 Fig 2 2 2 1 5 d Basic flow and interrelationship of the USB communication model ...

Page 14: ... O O O System Default PAL PAL Audio MP3 WMA decoder O O MIC INPUT X X Digital Out DTS AC 3 X X Audio DAC O O Input Output CVBS Output 1CH 1CH S Video Output O X YPbPr Output 1CH 1CH HDMI X X Digital Audio Output Optical Coaxial O O X O Analog Audio Output 2ch 5 1ch O X O X HDMI CEC X X Convenience Audio VCD SVCD Playback O O DIVX MPEG 4 O O Instant Replay Skip O O Kodak picture CD JPEG O O Front D...

Page 15: ... AK59 00071F Model Standard of DVD P380 XSE Batteries for Remote Control AC43 12002H Model Standard of DVD P380 XSE S N A Owners Instructions AK68 01509R Model Standard of DVD P380 XSE Video Audio Cable AC39 22017Z Single AC39 42001U Double Model Standard of DVD P380 XSE 2 3 Option Product Specification ...

Page 16: ...Product Specification 2 Samsung Electronics M E M O ...

Page 17: ...t and PCB Samsung Electronics 3 3 1 1 Top Cabinet Removal 1 Remove 3 Screws q the back Top Cabinet 2 Lift up the Top Cabinet w in direction of arrow Fig 3 1 Top Cabinet Removal q 3 SCREWS 3X10 B Note Reassembly in reverse order w TOP CABINET ...

Page 18: ...d Reassembly 3 Samsung Electronics 3 1 2 Ass y Front Cabinet Removal 1 Release 7 Hooks q w e r and Ass y Front Cabinet t Fig 3 2 Ass y Front Cabinet Removal t ASSY FRONT CABINET q 1 HOOK w 2 HOOKS r 3 HOOKS e 1 HOOK ...

Page 19: ...mbly and Reassembly 3 1 3 Ass y Deck Removal 1 Disconnect Flat Cable from DCN1 DCN2 on Main PCB 2 Remove 3 Screws q from the Ass y Deck w and lift it up Fig 3 3 Ass y Deck Removal q 3 SCREWS 3X6 W w ASS Y DECK FLAT CABLE DCN2 DCN1 ...

Page 20: ...3 1 4 Main PCB and S M P S PCB Removal 1 Remove 2 Screws q from the Main PCB w and lift it up 2 Remove 3 Screws e from the S M P S PCB r and lift it up Fig 3 4 Main PCB and S M P S PCB Removal w MAIN PCB q 2 SCREWS 3X6 W e 3 SCREWS 3X6 W r S M P S PCB ...

Page 21: ...ectronics 3 Disassembly and Reassembly 3 2 Deck Fig 3 5 Holder Chuck Removal 3 2 1 Holder Chuck Removal 1 Push 2 Hooks q in the direction of arrow A and lift up the Holder Chuck w w HOLDER CHUCK q 1 HOOK q 1 HOOK ...

Page 22: ... Screw Driver q into Emergency Hole w and push the Slider Cam e in the direction arrow A 2 When the Tray Disc r comes out push 2 Hooks t it in the direction arrow C and pull in the direction of arrow B by hte hand until released e SLIDER CAM r TRAY DISC C t 1 HOOK q SCREW DRIVER t 1 HOOK w EMERGENCY HOLE B C A ...

Page 23: ...bly Fig 3 7 Ass y Traverse Deck Removall 3 2 3 Ass y Traverse Deck Removall 1 Remove the 4 Soldering q F F S S 2 Push 2 Hooks w in the direction of arrow A and lift up the Assy Traverse Deck e e ASS Y TRAVERSE DECK q 4 SOLDERING w 1 HOOK w 1 HOOK ...

Page 24: ...Hooks w in the direction of arrow A and remove Ass y PCB Deck e 3 Push the Slider Cam r in the direction arrow B and lift it up 4 Remove the Belt Pulley t 2 screws y and Ass y Motor Load u 5 Lift Up Gear Pulley i and Gear Tray o w 1 HOOK o GEAR TRAY i GEAR PULLEY r SLIDER CAM B t BELT PULLEY y 2 SCREW u ASS Y MOTOR LOAD q 2 SOLDERING e ASS Y PCB DECK ...

Page 25: ...4 Trouble Shooting Samsung Electronics 4 4 1 Trouble Shooting 4 2 4 2 Software Update 4 24 ...

Page 26: ...Trouble Shooting No pick up home positing Is ZIC1 93 SLED PWM output is normal IS SL SL MIC1 11 12 output are normal Check the Sled Motor and Connection Check ZIC1 No Yes No Check MIC1 Peripheral Circuit Yes Refer to a pattern image of Table 4 1 ...

Page 27: ...Samsung Electronics 4 Trouble Shooting ZIC1 AIC5 FMIC1 Refer to a pattern image of Main PCB page 6 3 Refer to a pattern image of Decoder Main PCB Page 7 10 Fig 4 1 q ZIC1 Pin 93 ...

Page 28: ...Search Operation Actuality occurs at ZIC1 93 terminal Actuality occurs at MIC1 11 12 terminal Is RF Signal OK See Fine Seek Check Check Power No No No Check MIC1 peripharel circuit Focus On Yes Yes Yes No A Refer to a pattern image of Table 4 2 ...

Page 29: ...Samsung Electronics 4 Trouble Shooting ZIC1 AIC5 FMIC1 Refer to a pattern image of Main PCB page 6 4 Refer to a pattern image of Decoder Main PCB Page 7 10 Fig 4 2 q ZIC1 Pin 93 ...

Page 30: ...Trouble Shooting 4 Samsung Electronics No Focus incoming MIC1 13 14 output are normal Check MIC1 No Yes Check open state from MIC1 to Pick up A Refer to a pattern image of Table 4 3 ...

Page 31: ...Samsung Electronics 4 Trouble Shooting MIC1 Refer to a pattern image of Main PCB page 6 5 Refer to a pattern image of Motor Driver Main PCB Page 7 9 Fig 4 3 q FE Waveform MIC1 Pin 13 14 ...

Page 32: ... Electronics ZIC1 66 RF output is normal MIC1 15 16 T T Terminal outputs are normal Check DCN1 and P U Check RFSUM input from P U No Yes No Yes Check MIC1 peripheral circuit FINE SEEK Check Refer to a pattern image of Table 4 4 ...

Page 33: ...Samsung Electronics 4 Trouble Shooting MIC1 Refer to a pattern image of Main PCB page 6 5 Fig 4 4 Refer to a pattern image of Motor Driver Main PCB Page 7 9 q MIC1 Pin 15 16 ...

Page 34: ...B C D E Check or replace disc motor SPD output is normal ZIC1 92 No Yes Check ZIC1 peripheral circuit MIC1 17 18 output is normal No Yes Check MIC1 soldering and power MIC1 28 signal MON is H No Yes Check ZIC1 Refer to a pattern image of Table 4 5 Refer to a pattern image of Table 4 6 Refer to a pattern image of Table 4 6 ...

Page 35: ...sung Electronics 4 11 Trouble Shooting ZIC1 AIC5 FMIC1 Refer to a pattern image of Main PCB page 6 4 Fig 4 5 Refer to a pattern image of Decoder Main PCB Page 7 10 q SPD Waveform ZIC1 Pin 92 MIC1 17 18 28 ...

Page 36: ...Trouble Shooting 4 12 Samsung Electronics MIC1 Refer to a pattern image of Main PCB page 6 5 Fig 4 6 Refer to a pattern image of Motor Driver Main PCB Page 7 9 q SPD Waveform ZIC1 Pin 92 MIC1 17 18 28 ...

Page 37: ...ZIC1 102 close and ZIC1 99 open ok Change the ZIC1 or MIC1 Check ZIC1 peripheral circuit No Yes Refer to a pattern image of Table 4 7 Is the power 5V for deck ok No Check Power Yes Is MIC1 9 10 Output OK No Check MIC1 peripheral circuit Yes Refer to a pattern image of Table 4 8 ...

Page 38: ...Trouble Shooting 4 14 Samsung Electronics Refer to a pattern image of Main PCB page 6 4 Fig 4 7 Refer to a pattern image of Decoder Main PCB Page 7 10 q OPEN CLOSE WAVEFORM ZIC1 Pin 99 102 MIC1 9 10 ...

Page 39: ...sung Electronics 4 15 Trouble Shooting MIC1 Refer to a pattern image of Main PCB page 6 5 Fig 4 8 q OPEN CLOSE WAVEFORM ZIC1 Pin 99 102 MIC1 9 10 Refer to a pattern image of Motor Driver Main PCB Page 7 9 ...

Page 40: ...rror Mix Audio output Is AIC5 1 7 output normal Base terminal level of AQ7 are L Check JACK2 peripheral soldering shot Check A IC1 ACI5 peripheral circuit No Yes No Check ZIC1 48 mute Yes Refer to a pattern image of Table 4 9 Refer to a pattern image of Table 4 9 ...

Page 41: ...Samsung Electronics 4 17 Trouble Shooting Refer to a pattern image of Main PCB page 6 4 Refer to a pattern image of Audio Main PCB Page 7 7 Fig 4 9 q DATA0 Waveform AIC5 Pin 1 7 AQ7 ...

Page 42: ...Trouble Shooting 4 18 Samsung Electronics Y Pr Pb Component Output error Video output of display setup is I SCAN B Select video output to I SCAN No Yes CHECK DVD SET MENU ...

Page 43: ...Samsung Electronics 4 19 Trouble Shooting Progressive output error Video output of display setup is P scan B Select video output to P Scan No Yes CHECK DVD SET MENU ...

Page 44: ...as normal level Check the connection between ZIC1 54 with 1 8V No Yes Is 27MHz clock input at ZIC1 56 normal CheckZY1 No Yes Is analog output at ZIC1 60 CVBS C normal Check the soldering of ZIC1 No Yes Refer to a pattern image of Table 4 10 Refer to a pattern image of Table 4 10 Refer to a pattern image of Table 4 10 Video signal at output jack is about Check the connection between ZIC1 and output...

Page 45: ...Samsung Electronics 4 21 Trouble Shooting Refer to a pattern image of Main PCB page 6 4 Fig 4 10 Refer to a pattern image of Decoder Main PCB Page 7 10 q CVBS Waveform ZIC1 Pin 54 56 59 62 ...

Page 46: ...mal voltage Switching operation of PIC1 is normal Replace PIC1 Check PDSO1 04 Replace PICS1 check feed back 2nd voltage No Yes No Yes No Yes Replace fuse Refer to a pattern image of Table 4 11 Refer to a pattern image of Table 4 11 Refer to a pattern image of Table 4 11 Refer to a pattern image of Table 4 11 ...

Page 47: ...ronics 4 23 Trouble Shooting Refer to a pattern image of S M P S PCB page 6 6 Refer to a pattern image of S M P S S M P S PCB Page 7 5 Fig 4 11 DC 110 350V AC 100 240V DC 110 350V DC 180V 1 8 3V 2 2 5V 3 1 8V 4 1 9V ...

Page 48: ... Languange doesn t appear Please contact to Samsung Service Center If the unit was succesfully update the unit will turn off and on after closing the tray automatically s Do not press any button and unplug the power code during upgrade s The upgrade procedure may change refer to the web site www samsung com firmware upgrade start s In the middle of writing the tray will open automatically after ta...

Page 49: ...5 Exploded View and Parts List 삼성전자 5 5 1 Cabinet Assembly 5 2 5 2 DVD Mechanical Parts 5 4 5 3 Electrical Parts List 5 6 ...

Page 50: ...loded Views and Parts List 5 This Document can not be used without Samsung s authorization Samsung Electronics 5 1 Cabinet Assembly C015A P025 C001 P007P P001D P003 P005 W004 W004 W275 W275 W001 W275 A001 ...

Page 51: ... 01541X ASSY CABINET TOP ASSY SV D298 SEIN 1 SA P001D AK92 01613M ASSY PCB MAIN DVD DVD P380 XAC NON 1 SA P003 AK92 01592B ASSY PCB SMPS DVD P480K SMPS PCB AS 1 SA P005 AK92 01593B ASSY PCB FRONT DVD P480K AMERICA KO 1 SA P007P AK92 01594A ASSY PCB POWER KEY DVD P480K 430MM 1 SA P025 AC39 10200N CBF POWER CORD AT US EP2 Y HOUSING 1 SA W001 6003 000275 SCREW TAPTITE BH B M3 L10 ZPC B 3 SA W004 6003...

Page 52: ...ed Views and Parts List 5 This Document can not be used without Samsung s authorization Samsung Electronics 5 2 DVD Mechanical Parts H212 H102 FL627 T037 H105 H106 H108 H215 H104 W396 W274 H103 P059 W274 H213 ...

Page 53: ...AD DP 21 1 SA H105 6602 001076 BELT RECTANGULAR CR T1 2 4 3 1 2X2 1 SA H106 AK66 00094A GEAR TRAY DP 21 POM 0 4 A 0 8 B 8 1 SA H108 AK63 00478A TRAY DISC DP 21 ABS T6 0 124 4 186 1 SA H212 AK61 00777A HOLDER CHUCK DP 21 ABS 1 6 137 0 87 1 SA H213 AK61 00779A SPRING ETC CLAMPER DP 21 SUS304CSP 1 SA H215 AK97 02037C ASSY PU DECK ASSY PU DECK CMS LS78R 1 SA P059 AK97 02035B ASSY PCB DECK DP 21B RIGHT...

Page 54: ...SA JACK2 3722 002667 JACK PIN 7P 8P NI WH BL BLU GN RD 1 SA JP1 2007 000070 R CHIP 0ohm 5 1 10W TP 1608 1 SA MC2 2203 005148 C CER CHIP 100nF 10 16V X7R TP 160 1 SA MC7 2203 005148 C CER CHIP 100nF 10 16V X7R TP 160 1 SA MC8 2203 005148 C CER CHIP 100nF 10 16V X7R TP 160 1 SA ME1 2401 001479 C AL 470uF 20 10V GP TP 6 3 11mm 5 1 SA ME3 2401 002144 C AL 47uF 20 16V GP TP 5x11 5 1 SA MIC1 1003 001978...

Page 55: ...ER CHIP 100nF 10 16V X7R TP 160 1 SA ZC35 2203 000681 C CER CHIP 0 027nF 5 50V C0G 1608 1 SA ZC37 2203 000681 C CER CHIP 0 027nF 5 50V C0G 1608 1 SA ZC39 2203 005148 C CER CHIP 100nF 10 16V X7R TP 160 1 SA ZC4 2203 000332 C CER CHIP 0 012nF 5 50V C0G 1608 1 SA ZC40 2203 005148 C CER CHIP 100nF 10 16V X7R TP 160 1 SA ZC41 2203 005148 C CER CHIP 100nF 10 16V X7R TP 160 1 SA ZC42 2203 005148 C CER CH...

Page 56: ...SA PES33 2401 003059 C AL 1000UF 20 16V WT TP 10X16 5 1 SA PES34 2401 003480 C AL 1000UF 20 10V LZ TP 10X16MM 5 1 SA PES55 2401 001358 C AL 470uF 20 10V WT TP 8x11 5mm 5 1 SA PES59 2401 002144 C AL 47uF 20 16V GP TP 5x11 5 1 SA PFD01 3601 001123 FUSE CARTRIDGE 250V 1 6A TIME LAG C 1 SA PIC1 1203 004025 IC PWM CONTROLLER ICE3B0365J DIP 8P 1 SA PIC9 1203 001006 IC POSI FIXED REG 78R05 TO 220F 4P 1 S...

Page 57: ...D TO CABLE BOX 4P 1R 2mm 1 SA SW1 3404 001182 SWITCH TACT DC12V 50MA 100GF 6 0X6 1 SA H007 AK97 02255B ASSY DVDDECK DP 24 DL5FL 1 SNA C353 AK97 02034B ASSY HOUSING DP 21B RIGHT SIDED F 1 SNA DSW1 3409 001201 SWITCH LEVER 5V 1mA 2 72 1 SA FL627 3809 001839 FFC CABLE FLAT 30V 80C 217mm 23P 1 1 SA H102 AK61 00778A BODY CLAMPER DISC DP 21 POM 1 0 4 1 SA H103 AK66 00095A GEAR PULLY DP 21 POM 0 4 14 19 ...

Page 58: ...Exploded Views and Parts List 5 10 Samsung Electronics M E M O ...

Page 59: ...6 PCB Diagrams Samsung Electronics 6 6 1 Wiring Diagram 6 2 6 2 Main PCB 6 3 6 3 S M P S PCB 6 6 6 4 Front Key PCB 6 8 6 5 Power Key PCB 6 9 ...

Page 60: ...6 Samsung Electronics PCB Diagrams 6 1 Wiring Diagram ...

Page 61: ...Samsung Electronics 6 PCB Diagrams 6 2 Main PCB LOC NO X Y AIC5 B 1 FMIC1 B 2 FMCN1 B 4 ZIC1 D 2 DCN1 D 3 CN10 F 0 CN6 F 1 FMIC1 F 1 ZIC3 G 2 DCN2 G 3 CN9 H 0 CN8 H 2 CN2 H 3 CN1 H 3 COMPONENT SIDE ...

Page 62: ...amsung Electronics PCB Diagrams q ZIC1 Pin 93 w SPD Waveform ZIC1 Pin 92 MIC1 17 18 28 e OPEN CLOSE WAVEFORM ZIC1 Pin 99 102 MIC1 9 10 r DATA0 Waveform AIC5 Pin 1 7 AQ7 t CVBS Waveform ZIC1 Pin 54 56 59 62 ...

Page 63: ...onics 6 PCB Diagrams LOC NO X Y CN5 B 3 ZIC2 D 3 PIC2 F 2 MIC1 G 1 CONDUCTOR SIDE q FE Waveform MIC1 Pin 13 14 w MIC1 Pin 15 16 e SPD Waveform ZIC1 Pin 92 MIC1 17 18 28 r OPEN CLOSE WAVEFORM ZIC1 Pin 99 102 MIC1 9 10 ...

Page 64: ...6 Samsung Electronics PCB Diagrams 6 3 S M P S PCB COMPONENT SIDE LOC NO X Y PCI1 D 1 PICS1 E 2 MCON1 G 3 ...

Page 65: ...Samsung Electronics 6 PCB Diagrams CONDUCTOR SIDE LOC NO X Y MCON1 A 2 PIC9 A 1 PICS2 B 2 PICS1 C 2 PIC1 D 1 ...

Page 66: ...6 Samsung Electronics PCB Diagrams 6 4 Front Key PCB COMPONENT SIDE CONDUCTOR SIDE ...

Page 67: ...Samsung Electronics 6 PCB Diagrams 6 5 Power Key PCB COMPONENT SIDE CONDUCTOR SIDE ...

Page 68: ...6 10 Samsung Electronics PCB Diagrams M E M O ...

Page 69: ...atic Diagram Resistors are in ohms 1 8W unless otherwise noted Note Do not use the part number shown on this drawing for ordering The correct part number is shown in the parts list may be slightly different or amended since this drawing was prepared Special note Most semiconductor devices are electrostatically sensitive and therefore require the special handling techniques described under the elec...

Page 70: ...7 This Document can not be used without Samsung s authorization Samsung Electronics Schematic Diagrams 7 1 All block Diagram ...

Page 71: ...Circuit PDS11 PCD12 PRS13 PCD11 PPS12 1 Prevent residual high voltage at the terminals of switch during switch off Suppress noise High inverted power occurs at switch PQR11 off because of the 1st winding of transformer V L1 xdi dt L1 Leakage Induction A very high residual voltage exist on both terminals of PICF1 4 5 8pin because dt is a very short 2 SNUBBER circuit protects PQR11 from damage throu...

Page 72: ... Vout of 4 4V 2 If load of 4 4V terminal increase or AC inout voltage decrease and Vout decrease over 4 4V Then PICS2 R potential decrease over 2 5V PICS2 A K BASE Current decrease PICS2 A K Current decrease PICS1 DIODE Current decrease PICS1 C E Current decrease PICS1 C E Voltage increase PICS1 F B Voltage increase OUT DUTY increase TRANS Primary Cuttent Increase TRANS Primary Power increase Vout...

Page 73: ...Schematic Diagrams Samsung Electronics This Document can not be used without Samsung s authorization 7 7 3 S M P S S M P S PCB ...

Page 74: ...7 This Document can not be used without Samsung s authorization Samsung Electronics Schematic Diagrams 7 4 Video Main PCB ...

Page 75: ...onics This Document can not be used without Samsung s authorization 7 7 5 Audio Main PCB u These are the waveforms of DVD P380 Caution There can be some differences Voltage Frequency stc among cameras q DATA0 Waveform AIC5 Pin 1 7 AQ7 ...

Page 76: ...7 This Document can not be used without Samsung s authorization Samsung Electronics Schematic Diagrams 7 6 Power Main PCB ...

Page 77: ...authorization 7 7 7 Motor Driver Main PCB q FE Waveform MIC1 Pin 13 14 w MIC1 Pin 15 16 e SPD Waveform ZIC1 Pin 92 MIC1 17 18 28 r OPEN CLOSE WAVEFORM ZIC1 Pin 99 102 MIC1 9 10 u These are the waveforms of DVD P380 Caution There can be some differences Voltage Frequency stc among cameras ...

Page 78: ...chematic Diagrams 7 8 Decoder Main PCB q ZIC1 Pin 93 w SPD Waveform ZIC1 Pin 92 MIC1 17 18 28 e OPEN CLOSE WAVEFORM ZIC1 Pin 99 102 MIC1 9 10 r CVBS Waveform ZIC1 Pin 54 56 59 62 u These are the waveforms of DVD P380 Caution There can be some differences Voltage Frequency stc among cameras ...

Page 79: ...Schematic Diagrams Samsung Electronics This Document can not be used without Samsung s authorization 7 11 7 9 Connector Main PCB ...

Page 80: ...7 12 This Document can not be used without Samsung s authorization Samsung Electronics Schematic Diagrams 7 10 Front Key Front PCB ...

Page 81: ...Schematic Diagrams Samsung Electronics This Document can not be used without Samsung s authorization 7 13 7 11 Front Key Connector Front PCB ...

Page 82: ...7 14 This Document can not be used without Samsung s authorization Samsung Electronics Schematic Diagrams 7 12 Power Key Power PCB ...

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