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Samsung DTB-D700F Service Manual Download Page 24

Display off

Power switch and 

power plug pin is 

connected?

SMPS OK?

Check Output Voltage

(3.3V, 5V, 12V, 30V)

Check U101.

Connect switch and power Pug pin.

Yes

Yes

No

No

Check SMPS.

Yes

No

U102 (8) signal?

: 27MHz CLK

U102 (12, 13) signal?

: 27MHz CLK

No

Check U100.

Check X100.

Yes

R108 signal?
: 27MHz CLK

No

Check R106.

Yes

120MHz CLK is oceared 

at R142, R143.

Yes

No

Check U202.

Samsung Electronics

4-1

4. Troubleshooting

Summary of Contents for DTB-D700F

Page 1: ...t 6 Electrical Parts List 7 PCB Diagrams 8 Schematic Diagrams Manual DIGITAL TERRESTRIAL RECEIVER CONTENTS SERVICE MANUAL DTB D700F ELECTRONICS Samsung Electronics Co Ltd JUL 2003 Printed in Korea MF82 00023A This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law ...

Page 2: ...ot exceed 0 5 milliamp Reverse the power plug prongs in the AC outlet and repeat the test 6 X ray Limits The picture tube is designed to prohibit X ray emissions To ensure continued X ray protection replace the picture tube only with one that is the same type as the original Fig 1 1 AC Leakage Test 7 Antenna Cold Check With the unit s AC plug disconnected from the AC source connect an electrical j...

Page 3: ... instrument s ground lead to the instrument chassis ground before connecting the positive lead always remove the instrument s ground lead last 17 Observe the original lead dress especially near the following areas Antenna wiring sharp edges and especially the AC and high voltage power supplies Always inspect for pinched out of place or frayed wiring Do not change the spacing between components and...

Page 4: ...rial must be directed towards a digital TV transmitter It is not desirable to use indoor or window mounted aerials as it will be difficult or impossible to receive digital channels 3 CONNECTING THE RECEIVER TO TV To connect the receiver with your television you can use Scart Cable or RCA cable In the case of connecting your TV through SCART cable connect the SCART connector marked TV to the respec...

Page 5: ...Loop Rear Panel DESCRIPTION 7 8 9 5 2 3 1 6 10 4 DTB D700F DESCRIPTION GB 12 D T T R E C E I V E R Front Panel Display Indicators 4 6 1 2 3 5 7 8 9 10 1 2 3 1 LED Turn on light when the product is in the Stand by mode Turn on blue light when it is in operation 2 STANDBY ON This key is used to turn the receiver on and off standby 3 INFRARED SENSOR This is to receive the IR commands from the Remote ...

Page 6: ... to program a specific order 2 3 5 9 8 12 14 13 16 17 19 21 24 23 1 4 7 6 10 11 15 18 20 22 25 26 DTB D700F D T T R E C E I V E R Remote Control Unit GB 14 DESCRIPTION DTT FUNCTIONS 1 POWER Power on Standby 2 NUMERICAL Selection of a channel input of a numeric value during operation 3 Pg Use to move up or down pages the menu 4 MUTE Muting Silence mode 5 Use to change channels and move the cursor t...

Page 7: ...t first After the television channels have been programmed you will see the following picture banner each time you switch channels Press the red i key in view mode Select the channel by pressing the Numerical 0 9 keys or ƒ keys and select the TV RADIO key to move to TV or Radio channel You will also see this picture each time you change channels When you press the TV RADIO key on the Remote Contro...

Page 8: ...list If Subtitle is available on current program S is displayed on the banner after changing program channel or pressing the red i key To change the subtitle language Press the TEXT key to see the subtitle language List Use the keys to select a subtitle language you want Press the OK key and then the subtitle language you want is displayed The menu display is carefully created and user friendly to...

Page 9: ...ich you want to find Input the frequency of the channel you want to find Select the bandwidth You can select the value of 6 7 or 8 MHz Select the FFT Fast Fourier Transform Mode You can select the value of 2K or 8K After select option press the OK key to start the scanning process DTB D700F GB 20 D T T R E C E I V E R 8 Teletext OSD When the current broadcasting program provides Teletext OSD press...

Page 10: ...s the OK key to delete all channels and press the MENU EXIT to exit OPERATING THE RECEIVER DTB D700F GB 22 D T T R E C E I V E R 2 1 2 Auto Scanning The sub menu Auto Scanning will enable download of the channels automatically from the preprogrammed load To download channels automatically You can select All or Only Free option mode All Scanning all the channels Only Free Scanning free channels Sel...

Page 11: ...ss the OK key to save the set data DTB D700F 2 2 4 Delete Scrambled Channels At the request window press the OK key to delete scrambled channels and press the MENU EXIT to exit 2 2 5 Favorite Channels You can immediately register the present channel to the desired Favorite Group In addition you can register a channel to multiple favorite groups Select the desired Favorite Group FAV1 FAV9 using the...

Page 12: ...hrough the PIN Personal Identification Number which is a 4 digit number The factory preset PIN Code 0000 On selecting this menu you will have two options to set lock for any desired channel and to change your PIN value Enter PIN Code If you have not entered your own PIN Code then the PIN Code 0000 applies which was set at the factory 2 3 1 Set Channel Lock Select the TV or RADIO channel window by ...

Page 13: ...ce Press the Numerical 0 9 keys to set the time you want and press the keys to choose a switch time you want to reserve Select TV program to set the event program by pressing keys When you press the TV RADIO key TV program and Radio program are toggled OPERATING THE RECEIVER DTB D700F GB 28 D T T R E C E I V E R 2 4 System Setup This option enables you to change the factory preset system settings ...

Page 14: ...ressed twice or the player is unplugged N N o o t t e e If the player is left for screen saver time in pause mode it will stop If the player is left in the stop mode for more than 5 minutes the power will automatically shut off Automatic Power Off Function If the player is left in the stop mode for more than two minute without any user interaction a sreen saver will be activated Press the PLAY PAU...

Page 15: ... elapsed Single remain or Single Marker Use to save a favorite scene within a movie 1 2 3 or 4 Play Mode CD MP3 Select the play mode Normal Shuffle or Intro mode Playlist CD MP3 Use to edit or delete playlist DTB D700F G B 3 2 D T T R E C E I V E R BASIC FUNCTIONS DVD 3 2 Using the Search Skip Functions During playback you can search quickly through a chapter or track or use the skip function to j...

Page 16: ...Disc Repeat Track or Repeat Off Repeat Disc Choose this mode to play repeatedly the entire disc Repeat Chapter Choose this mode to play repeatedly the chapter currently being played Repeat Title Choose this mode to play repeatedly the title currently being played Repeat Track Choose this mode to play repeatedly the track or song currently being played Repeat Off Choose this mode to stop any repeat...

Page 17: ...ting Audio Language When a DVD is recorded with audio language you can select a desired language quickly and easily with the AUDIO key Press the AUDIO key during disc play The audio language info banner appears If no audio languages are recorded the icon will appear Press the AUDIO key repeatedly until the desired audio language is displayed N N o o t t e e This function depends on what languages ...

Page 18: ...ndow and the edited Tracklist window SUBTITLE key Press this key to all clear the edited tracklist Add All Tracks to Playlist Select to add all tracks to playlist Delete Playlist Select to delete the entire playlist to which tracks are added Enable Playlist Plays only the tracks edited in playlist Disable Playlist Plays all tracks of a disc regardless of playlist For audio discs PROGRAM key can be...

Page 19: ... original language setting Disc Subtitle menu is a disc dependent There are some DVD discs that prevent selecting subtitle even if it supports multiple subtitles In this case subtitle should be selected via disc menu SETUP FUNCTIONS DVD DTB D700F 5 SETUP FUNCTIONS DVD GB 40 D T T R E C E I V E R 5 1 Using the Setup Main Menu The Setup main menu lets you customize your DTB D700F by allowing you to ...

Page 20: ...itor to be damaged SCART Output Sekect the SCART output type RGB or Composite Then press the OK key to select the desired item DTB D700F GB 42 D T T R E C E I V E R SETUP FUNCTIONS DVD 5 3 Setting Up the Audio Options Using the Display Options with the unit in Stop mode press the DISPLAY key Select Audio Setup using keys then OK key Use the keys to select the sub item Dolby Digital PCM Converts to...

Page 21: ... About the Rating Level The Rating Level will work only when Use Password is set to On To unlock the player use the OK key to select Off Use the keys to move Parental Level then press the OK key Select Rating Level using the keys then press the OK key Kids Select this to play only DVDs for children 2 to 7 Select this to play DVDs for general audiences and children Adult DVDs cannot be played Adult...

Page 22: ...00 ˇ Run Hyperterminal and turn power on DTB D700F After Hyperterminal monitor display some message press T DTT or V DVD Send a file at Download ROM image PROTOCOL 1K XMODEM ˆ Select Main Program C main DTB D700F_FOMAL bin by each kinds as selecting the File Send of Transfer or Hyperterminal Ø Check if the normal message appears C O M 1 2 2 0 V A C P C M a i n P C B D T B D 7 0 0 F S M P S R S 2 3...

Page 23: ...Software Upgrade and Installation 3 2 Samsung Electronics MEMO ...

Page 24: ...V 30V Check U101 Connect switch and power Pug pin Yes Yes No No Check SMPS Yes No U102 8 signal 27MHz CLK U102 12 13 signal 27MHz CLK No Check U100 Check X100 Yes R108 signal 27MHz CLK No Check R106 Yes 120MHz CLK is oceared at R142 R143 Yes No Check U202 Samsung Electronics 4 1 4 Troubleshooting ...

Page 25: ...ics No locking Check Vcc of U2 Tuner R5 L1 Check Vcc of U2 Tuner L2 Check U101 Check SMPS Yes Yes No No Check U1 Regulator Check I2C of U2 29 30 R130 R131 Yes No Check U101 Voltage Check serial data control R10 R11 R12 R13 No Check U2 Yes ...

Page 26: ...Troubleshooting Samsung Electronics 4 3 No spdif output L502 is 5V Data waveform occur at R502 Check J502 Check L502 SMPS Yes No No Check R502 U101 Yes ...

Page 27: ...Troubleshooting 4 4 Samsung Electronics No video TV Scart U601 4 Video signal Yes No Check U101 No U601 44 signal Check C612 R601 Video signal Yes No Check U601 Yes Check R77 U701 ...

Page 28: ...Troubleshooting Samsung Electronics 4 5 No video VCR Scart U601 4 Video signal R610 Video signal Check C612 U601 48 Signal Yes Yes Yes No No No Check U101 Check R725 U701 Check U601 ...

Page 29: ...ooting 4 6 Samsung Electronics No RGB TV Scart U601 10 12 14 RGB signal R604 R606 R608 Video signal Yes Yes Yes No Check U101 No Check U601 No Check C602 C605 C606 U601 38 40 42 signal Check R710 R712 R714 R701 ...

Page 30: ... R114 R115 Waveform No U501 7 8 Signal Signal occur at Audio L U602 1 Audio R U602 7 Yes Yes Yes Yes Check U602 No Check U501 Check U101 No R625 1 is Hight Check Q601 U101 No Q602 Q606 Collector is signal Check Q602 Q606 No Check U701 J501 U601 27 28 29 30 31 32 33 is signal Check U601 No ...

Page 31: ...eshooting 4 8 Samsung Electronics No disc error DVD RN401 RN402 RN403 RN404 have wareform in reading mode Check U401 U402 Check DVD Deck DSL 710A U401 U402 2 9 have wareform in reading mode Yes Check U101 Yes ...

Page 32: ...Troubleshooting Samsung Electronics 4 9 No conversion DTT DVD Check BD401 BD402 12V 5V Check U101 Check DVD Deck DSL710A Check SMPS Yes No No Check 4P 4DP Cable Connection No Yes ...

Page 33: ...Troubleshooting 4 10 Samsung Electronics MEMO ...

Page 34: ...BS 94HB 5 MF92 00056A ASSY PCB MAIN DTB D700F 6 MF97 00046A ASSY DVD DECK DSL 710A ATAPI LOADER 7 MF63 00028A COVER TOP DTB D700F SV227 T0 6 W61 9 L36 8 MF44 00024A SMPS DTB D700F P 171 AC DC 30W 100 9 MF92 00062A ASSY PCB KEY SUB DTB D700F 10 6003 000365 SCREW TAPTITE BH S M3 L8 ZPC YEL SWRC 11 6002 000440 SCREW TAPPING RWH 2 M3 L8 ZPC BLK SWR 12 3903 000121 CBF POWER CORD AT EUROPE KJP 140 HOUSI...

Page 35: ...Exploded View and Parts List 5 2 Samsung Electronics MEMO ...

Page 36: ...10 16V X7R TP 1608 C502 2203 005148 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C503 2203 005148 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C504 2203 005148 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C505 2203 005148 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C506 2203 005148 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C507 2203 005148 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C508 2203 005148 C CERAMIC CHIP 100nF 1...

Page 37: ...ohm 5 1 10W TP 1608 R111 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 R112 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 R113 2007 000113 R CHIP 33ohm 5 1 10W TP 1608 R114 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 R115 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 R117 2007 000113 R CHIP 33ohm 5 1 10W TP 1608 R118 2007 000113 R CHIP 33ohm 5 1 10W TP 1608 R119 2007 000081 R CHIP 2 7Kohm 5 1 10W TP 1608 R120 2...

Page 38: ... RN403 2011 000475 R NETWORK 33OHM 5 1 16W L CHIP 8P TP 32 RN404 2011 000475 R NETWORK 33OHM 5 1 16W L CHIP 8P TP 32 SW902 3404 001013 SWITCH TACT 15V 20mA 130gf 7 1x7 4x9 7 S TP901 AH59 00010A MODULE REMOCON 37 9KHZ 940NM U1 1203 001006 IC VOLTAGE REGULATOR 78R05 TO 220F 4P U101 1204 002155 IC DECODER STi5518MVB X PQFP 208P 28x28m U102 0801 002378 IC CMOS LOGIC 74VHC04 HEX INVERTER SOP 1 U103 120...

Page 39: ...4751A 1W 30V ZD2 ZENER DIODE 1N5232 500mW 5 6V 9 MF92 00062A ASSY PCB KEY SUB DTB D700F J902 3708 000313 CONNECTOR FPC FFC PIC 8P 1 25mm ANGLE F SW901 3404 000165 SWITCH TACT 12V 50mA 160gf 6x6mm SPST SW903 3404 000165 SWITCH TACT 12V 50mA 160gf 6x6mm SPST SW904 3404 000165 SWITCH TACT 12V 50mA 160gf 6x6mm SPST SW905 3404 000165 SWITCH TACT 12V 50mA 160gf 6x6mm SPST SW906 3404 000165 SWITCH TACT 1...

Page 40: ...Samsung Electronics 7 1 7 PCB Diagrams 7 1 Main 7 2 7 2 S M P S 7 4 7 3 Key 7 6 ...

Page 41: ...PCB Diagrams 7 2 Samsung Electronics 7 1 Main COMPONENT SIDE ...

Page 42: ...PCB Diagrams Samsung Electronics 7 3 CONDUCTOR SIDE ...

Page 43: ...PCB Diagrams 7 4 Samsung Electronics 7 2 S M P S COMPONENT SIDE ...

Page 44: ...PCB Diagrams Samsung Electronics 7 5 CONDUCTOR SIDE ...

Page 45: ...PCB Diagrams 7 6 Samsung Electronics 7 3 Key COMPONENT SIDE CONDUCTOR SIDE ...

Page 46: ...matic Diagrams 8 1 S M P S 8 2 8 2 Key 8 3 8 3 Power 8 4 8 4 CPU 8 5 8 5 Display 8 6 8 6 Audio 8 7 8 7 Memory 8 8 8 8 STV6412 8 9 8 9 ATAPI 8 10 8 10 Scart 8 11 Main PCB This Document can not be used without Samsung s authorization ...

Page 47: ...13 330K 1 2W ATS3550L BD1 C13 LXZ 25V 330uF D6 6 5V SBD DIODE 21DQ10 2A 100V XC1 0 22uF 275V C4 KMG 100V 10uF R8 2 2K F C1 NH 450V 100uF IC3 KA278R05 1 4 2 3 IN ADJ OUT GND IC2 KA278R12 1 4 2 3 IN ADJ OUT GND C7 SHL 50V 1uF YC3 102pF C14 NXB 10V 1000uF R3 180K 2W C23 104pF R5 10Ω D13 SBD DIODE 21DQ10 2A 100V C19 104pF R10 10K 1 2W PC17 L1 OPT1 1 2 C11 LXV 10V 1000uF D9 23V UFR DIODE UF4005 1A 600V...

Page 48: ...grams Samsung Electronics 8 3 This Document can not be used without Samsung s authorization 8 2 Key D D J902 CON8 1 2 3 5 4 6 7 8 SW906 VOL_DOWN SW905 VOL_UP SW907 STB DVD SW901 CH_UP SW904 OPEN CLOSE SW903 CH_DOWN ...

Page 49: ...1Y 2A 2B 2Y GND 3Y 3A 3B 4Y 4A 4B VCC BD11 PA600E L1 10uH 1 2 BD10 PA600E BD9 PA600E EC8 470uF 10V R6 NC 0 BD8 PA600E R3 10k EC11 47uF 50V U91 NC 74VHC74 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1CLR 1D 1CK 1PR 1Q 1Q GND 2Q 2Q 2PR 2CK 2D 2CLR VCC BD6 PA600E TDTE9251DV0 1B U2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 NC LNB_A NC LNB_B NC GND AGC_NC NC 5V NC BT GND ...

Page 50: ...DR 8 ADR 9 ADR 10 ADR 11 ADR 12 ADR 13 ADR 14 ADR 15 ADR 16 ADR 17 ADR 18 ADR 19 ADR 20 ADR 21 DATA 0 DATA 1 DATA 2 DATA 3 DATA 4 DATA 5 DATA 6 DATA 7 DATA 8 DATA 9 DATA 10 DATA 11 DATA 12 DATA 13 DATA 14 DATA 15 SMI_ADR 0 SMI_DATA 0 SMI_CS 0 SMI_CS 1 SMI_RAS SMI_CAS SMI_DQMU SMI_DQML SMI_CLKIN SMI_CLKOUT SMI_WE V_REF_YCC I_REF_YCC VDDA_YCC_2 5V VSSA_YCC VDD3_3 VSS VDD3_3 VDD3_3 VDD3_3 VDD3_3 VDD3...

Page 51: ...S9 KS9 GS19 GR10 GS18 GR11 GS1 GR12 VEE GS16 KS16 GS15 KS15 GS14 KS14 GS13 KS13 GS12 KS12 GS11 KS11 GS10 KS10 VSS VDD GR1 GR2 GR3 GR4 GS24 GR5 GS23 GR6 GS22 GR7 GS21 GR8 GS20 GR9 LED1 LED2 LED3 LED4 OSC DOUT DIN CLK STB K1 K2 D902 5 6B VFD U902 VFD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 F F NP NP 8G 7G 6G 5G 4G 3G 2G 1G NC NC NC NC P12 P11 P10 P9 P8 ...

Page 52: ...03 NC TP502 D502 RLZ 12B EC502 10uF 16V R502 100 R510 0 R511 75 R512 0 C506 104 104 R507 1 2K EC504 10uF 16V Q502 R113 C505 104 L501 10uH 1 2 MAIN POWER VIDEO INPUT AUDIO INPUT CONTROL B TUN DATA CLK U502 RMUP74055VF S 1 3 7 4 2 6 5 U501 PCM1742K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 BCK DATA LRCK DGND Vdd Vcc VoutL VoutR AGND Vcom ZEROR A ZEROL NA MD MC ML SCLK Q50 1 KST 2907A R505 470 EC509 470...

Page 53: ...M WE CAS RAS CS BA0 BA1 A10 AP A0 A1 A2 A3 VDD VSS A4 A5 A6 A7 A8 A9 A11 N C CKE CLK UDQM N C RFU VSS DQ8 VDDQ DQ9 DQ10 VSSQ DQ11 DQ12 VDDQ DQ13 DQ14 VSSQ DQ15 VSS U201 M29W320DT 25 24 23 22 21 20 19 18 8 7 6 5 4 3 2 1 48 17 26 11 28 29 31 33 35 38 40 42 44 12 37 27 46 15 47 30 32 34 36 39 41 43 45 16 9 10 14 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 CE WE OE D0 D1 D2 D3 D4 D5 ...

Page 54: ...LOUT_CINCH GOUT_TV ROUT_TV YIN_ENC Y CVSIN_ENC Y CVSOUT_VCR GND_DIG VCC VCCB5 VCCB1 VCC1 2 DECA DECV NC R614 NC C607 NC R624 22K C601 104 EC613 10u 16V R625 10K C623 1 5nF Q60 5 MMBT2222AL R631 47K EC614 10u 16 C624 68P R622 47K C603 104 R605 0 Q60 1 MMBT2222AL R626 1K R632 22K C612 1uF 2012 C605 1uF 2012 C606 1uF 2012 EC611 47u 16V R606 15 0 R630 47K Q602 KST2907A BD601 BEED R610 15 0 R634 1K R60...

Page 55: ...402 470uF 10V R404 10K J403 12 4 6 78 91 0 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 3 5 R402 10K R401 47 C402 104 U401 74VHCT245 2 3 4 5 6 7 8 9 19 1 18 17 16 15 14 13 12 11 20 10 A1 A2 A3 A4 A5 A6 A7 A8 G DIR B1 B2 B3 B4 B5 B6 B7 B8 3V3 GND EC401 100uF 50V J401 CON40 1 3 5 7 9 11 13 15 17 19 2 4 6 8 10 12 14 16 18 20 2...

Page 56: ... AOL FNS GND B DATA2 DATA1 BLUE GND D RGBC GND G GND C GREEN CVBSI GND R R CHRO GND V C LUMA GND R707 NC R724 220 R722 75 D713 RLZ 12B R720 470 D702 RLZ TE 11 18B R714 75 D707 RLZ 5 6B R711 NC C704 1uF 2012 D718 RLZ 5 6B NC D716 RLZ5 6B R728 75 NC Q701 FDV301N D701 RLZ TE 11 18B R713 NC C701 1uF 2012 R715 NC D720 RLZ TE 11 18B C703 1uF 2012 R723 75 C705 1uF 2012 NC U701B VCR_SCART 23 22 25 27 24 2...

Page 57: ...Schematic Diagrams 8 12 Samsung Electronics This Document can not be used without Samsung s authorization MEMO ...

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