Samsung DVD-P191 Service Manual
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Samsung DVD-P191 Service Manual

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See also: User Manual
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
North America
URL ; http://service.samsungportal.com
Latin America
URL ; http://latin.samsungportal.com
CIS
URL ; http://cis.samsungportal.com
Europe
URL ; http://europe.samsungportal.com
China
URL ; http://china.samsungportal.com
Asia
URL ; http://asia.samsungportal.com
Mideast & Africa
URL ; http://mea.samsungportal.com
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.
Web Site
© Samsung Electronics Co., Ltd. FEB. 2009
Printed in Korea
DVD PLAYER
Chassis : Warhol
BASIC : DVD-P191
Application Model
: DVD-P191
Application Area
:
XEC, XEE, XEL, XEO, XER,
ADL, EDC, NWT
SERVICE
DVD PLAYER
Manual
Contents
1. Precautions
2. Product Specification
3. Disassembly and Reassembly
4. Trouble Shooting
5. Exploded View and Parts List
6. PCB Diagrams
7. Schematic Diagrams

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Summary of Contents for Samsung DVD-P191

  • Page 1 Mideast & Africa URL ; http://mea.samsungportal.com © Samsung Electronics Co., Ltd. FEB. 2009 This Service Manual is a property of Samsung Electronics Co .,Ltd. Any unauthorized use of Manual can be punished under applicable Printed in Korea International and/or domestic law.

  • Page 2: Table Of Contents

    CONTENTS CONTENTS 1. Precautions 1-1 ~ 1-6 7-7 Video (Main PCB) (7-9) 7-8 Audio (Main PCB) (7-10) 1-1 Safety Precautions (1-1) 7-9 Decoder (Main PCB) (7-11) 1-2 Servicing Precautions (1-3) 7-10 Scart (Scart PCB) (7-12) 1-3 ESD Precautions (1-4) 1-4 Handling the optical pick-up (1-5) 1-5 Pick-up disassembly and reassembly (1-6)

  • Page 3: Precautions

    Any current measured must not exceed 0.5mA. Reverse the instrument power cord plug in the outlet and repeat the test. See Fig. 1-1. Fig. 1-2 Insulation Resistance Test Samsung electronics...
  • Page 4 (5) antenna wiring. Always inspect in all areas whenever appropriate. for pinched, 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. Samsung Electronics...

  • Page 5: Servicing Precautions

    When replacing components, use components which have the same ratings. Components identified by shading, by( ) or by ( ) in the circuit diagram are important for safety or for the characteristics of the unit. Always replace them with the exact replacement components. Samsung Electronics...

  • Page 6: Esd Precautions

    (7) Immediately before removing the protective materials from the leads of a replacement ESD device, touch the protective material to the chassis or circuit assembly into which the device will be installed. Samsung Electronics...

  • Page 7: Handling The Optical Pick-Up

    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. Samsung Electronics...

  • Page 8: Pick-Up Disassembly And Reassembly

    3) Make solder land 2 points short on Pick-up. 3) Reassemble the Deck-Assy. (See Fig. 1-4) 4) Disassemble the Pick-up. Note : If the assembly and disassembly are not done in correct sequence, the Pick-up may be damaged. Fig.1- Samsung Electronics...

  • Page 9: Product Specification 2-1

    Scart Jack 2 Channel : L (1/L), R(2/R) 2 Channel L(1/L), R(2/R) 48KHz Sampling : 4Hz to 22KHz *Ferquency Response 96KHz Sampling : 4Hz to 44KHz Audio Output *S/N Ratio 110dB *Dynamic Range 100dB *Total Harmonic Distortion 0.004% Samsung Electronics...
  • Page 10 ● EZ View (DVD) Easy View enables picture adjustment to match your TV’s screen size (16:9 or 4:3) ● Excellent Sound Dolby Digital, a technology developed by Dolby Laboratories, provides crystal clear sound reproduction. ● Instant Replay (DVD) This function is used to replay the previous 10 seconds of a movie from the current positions. ● Instant Skip This function skips playback ahead 10 seconds. ● Progressive Scan Progressive scanning creates an improved picture with double the scan lines of a conventional interlaced picture. 2-1-2 Discs which cannot be played with this player : 2-1-2(a) player ● DVD-ROM ● CD-ROM ● CDI ● DVD-RAM ● CDV ● CVD ● CDGs play audio only, not graphics. 2-1-2(b) recording condition ● DVD-R, +R ● CD-RW ● DVD+rw, -RW (V Mode) ● The unit may not play certain CD-R, CD-RW and DVD-R due to the disc type or recording condition. Samsung Electronics...

  • Page 11: Disc Type And Characteristics

    Multi-functional, multi-media software that requires large Read Only DVD-ROM storage capacity High quality sound that exceeds the CD, multi-channel Playback Only DVD-Audio Audio 1 Time Recording Storage media for the computer DVD-R Rewritable Data access/storage media for the computer. DVD-RAM Samsung Electronics...

  • Page 12: Region Code

    Europe, Japan, Greenland, Egypt, South Africa, The Middle East Region 3 Taiwan, Hongkong, Korea, South East Asia Region 4 Mexico, Sout America, Australia, New Zealand Region 5 Russia, Eastern Europe, India, Africa Region 6 China Region 0 Worldwide (all code) Samsung Electronics...

  • Page 13: Chassis Product Specification

    Product Specification 2-2 Chassis Product Specification General Features DVD-P191 DVD-P181 Chassis CD Disc Play Compati DVD-R/-RW/+R/+RW (Video Mode) bility CD-R/-RW Progressive Scan Video 108MHz/ 14 Bit Video DAC Video SCART System Default MP3/WMA decoder MIC INPUT Audio Digital Out (DTS/AC-3)

  • Page 14: Option Product Specification

    Product Specification 2-3 Option Product Specification Description Fig Description Parts No Remark Remote Model Standard of (AK59-00091G) Control DVD-P191/XEL Video/Audio Model Standard of (AC39-42001R) Cable DVD-P191/XEL Samsung Electronics...

  • Page 15: Disassembly And Reassembly

    Note : Reassembly in reverse order. 3-1-1 Top Cabinet Removal 1) Remove 3 Screws the back Top Cabinet. 2) Lift up the Top Cabinet in direction of arrow. 3 SCREWS (3X10 B) TOP CABINET Fig. 3-1 Top Cabinet Removal Samsung Electronics...
  • Page 16 Disassembly and Reassembly 3-1-2 Ass'y Front Cabinet Removal 1) Release 6 Hooks and Ass'y Front-Cabinet 1 HOOK 2 HOOKS 1 HOOK 2 HOOKS ASSY FRONT CABINET Fig. 3-2 Ass'y Front Cabinet Removal Samsung Electronics...
  • Page 17 3-1-3 Ass'y Deck Removal 1) Disconnect Flat-Cable from DCN1, DCN2 on Main PCB. 2) Remove 3 Screws from the Ass'y Deck and lift it up. 3 SCREWS (3X6 W) ASS'Y DECK FLAT-CABLE DCN2 DCN1 Fig. 3-3 Ass'y Deck Removal Samsung Electronics...
  • Page 18 Main PCB & Scart PCB and lift it up. 2 SCREWS (3X6 W) 4 SCREWS (3X6 W) 1 SCREW (3X6 W) MAIN PCB SCART PCB S.M.P.S PCB Fig. 3-4 Main PCB and S.M.P.S PCB and Scart PCB Removal Samsung Electronics...

  • Page 19: Trouble Shooting 4-1

    4. Trouble Shooting 4-1 Trouble Shooting -------------------------------------------------------------------------------- 4-2 4-2 Software Update ------------------------------------------------------------------------------- 4-25 Samsung Electronics...

  • Page 20: Trouble Shooting

    No pick-up home positing DIC1-105 (SLED-PWM} Check DIC1. output is normal ? Refer to a pattern image of Table 4-1 SL+, SL- Check MIC1. (MIC1 - 11, 12) Peripheral Circuit output are normal ? Check the Sled Motor and Connection Samsung Electronics...
  • Page 21 Trouble Shooting  Refer to a pattern image of Main PCB page 6-4 DIC1 Pin(105)  Refer to a pattern image of Decoder (Main PCB) Page 7-11 Fig. 4-1 Samsung Electronics...
  • Page 22 Actuality occurs at DIC1-105 terminal ? Check Power Refer to a pattern image of Table 4-2 Actuality, occurs Check MIC1 peripharel circuit at MIC1-11, 12 terminal ? Is RF Signal OK ? Focus On ? See "Fine Seek Check" Samsung Electronics...
  • Page 23 Trouble Shooting  Refer to a pattern image of Main PCB page 6-4 DIC1 Pin(105)  Refer to a pattern image of Decoder (Main PCB) Page 7-11 Fig. 4-2 Samsung Electronics...
  • Page 24 Trouble Shooting No Focus incoming MIC1-13, 14 output Check MIC1. are normal Refer to a pattern image of Table 4-3 Check open state from MIC1 to Pick-up. Samsung Electronics...
  • Page 25 Trouble Shooting  FE Waveform MIC1 Pin(13,14) Refer to a pattern image of Main PCB page 6-4  Refer to a pattern image of Decoder (Main PCB) Page 7-11 Fig. 4-3 Samsung Electronics...
  • Page 26 FINE SEEK Check DIC1-86 (RFSUM) Check RFSUM input from P/U. output is normal ? MIC1 - 15, 16 (T+,T-) Check DIC1 peripheral circuit Terminal outputs are normal ? Refer to a pattern image of Table 4-4 Check CN23 and P/U Samsung Electronics...
  • Page 27 Trouble Shooting  MIC1 Pin(15,16) Refer to a pattern image of Main PCB page 6-4  Refer to a pattern image of Decoder (Main PCB) Page 7-11 Fig. 4-4 Samsung Electronics...
  • Page 28 18 output is Check MIC1 soldering and power normal ? Refer to a pattern image of Table 4-6 MIC1-28 signal Check. MIC1 STBY is "H"? Refer to a pattern image of Table 4-6 Check or replace disc motor 4-10 Samsung Electronics...
  • Page 29 Trouble Shooting  Refer to a pattern image of Main PCB page 6-4 SPD Waveform DIC1 Pin(106), MIC1(17,18,28)  Refer to a pattern image of Decoder (Main PCB) Page 7-11 Fig. 4-5 Samsung Electronics 4-11...
  • Page 30 Trouble Shooting  SPD Waveform DIC1 Pin(106), MIC1(17,18,28) Refer to a pattern image of Main PCB page 6-4  Refer to a pattern image of Decoder (Main PCB) Page 7-11 Fig. 4-6 4-12 Samsung Electronics...
  • Page 31 Output OK ? Refer to a pattern image of Table 4-8 Is voltage from DIC1-64 (close) Check DIC1 peripheral circuit and DIC1-63 (open) ok ? Refer to a pattern image of Table 4-7 Change the DIC1 or MIC1 Samsung Electronics 4-13...
  • Page 32 Trouble Shooting  Refer to a pattern image of Main PCB page 6-4  OPEN, CLOSE WAVEFORM DIC1 Pin(63,64), MIC1(9,10) Refer to a pattern image of Decoder (Main PCB) Page 7-11 Fig. 4-7 4-14 Samsung Electronics...
  • Page 33 Trouble Shooting OPEN, CLOSE WAVEFORM  DIC1 Pin(63,64), MIC1(9,10) Refer to a pattern image of Main PCB page 6-4  Refer to a pattern image of Decoder (Main PCB) Page 7-11 Fig. 4-8 Samsung Electronics 4-15...
  • Page 34 Check AIC1 peripheral circuit Refer to a pattern image of Table 4-9 Base terminal level Check DIC1-43 mute. of AQ33 are "L"? Refer to a pattern image of Table 4-9 Check Jack RCA peripheral soldering shot 4-16 Samsung Electronics...
  • Page 35 Trouble Shooting  DATA0 Waveform AIC5 Pin(1,7), AQ33 Refer to a pattern image of Main PCB page 6-4   Refer to a pattern image of Audio (Main PCB) Page 7-10 Fig. 4-9 Samsung Electronics 4-17...
  • Page 36 Output error SCART RGB Change video output output selected to SCART RGB Refer to a pattern image of Table 4-2 DIC1 Pin 12 DIC1 CHECK RGB_CTL high Signal at VL100, VL101, VL102 Check Scart_R, Scart_G Scart_B Circuit 4-18 Samsung Electronics...
  • Page 37 Trouble Shooting Y/Pr/Pb (Component) Output error Video output of display Select video output to"I-SCAN". setup is"I-SCAN". CHECK DVD SET-MENU Samsung Electronics 4-19...
  • Page 38 Trouble Shooting Progressive output error Video output of Select video output to"P-Scan" display setup is P-scan CHECK DVD SET-MENU 4-20 Samsung Electronics...
  • Page 39 DIC1-70 normal ? Is analog output Check the soldering of DIC1. at DIC1-58 (Video_CVBS) normal ? Video Check the connection signal at between DIC1 and . output jack is output jack about Change the RCA cable. Samsung Electronics 4-21...
  • Page 40 Trouble Shooting  Refer to a pattern image of Main PCB page 6-4  CVBS Waveform DIC1 Pin(54,59) Refer to a pattern image of Decoder (Main PCB) Page 7-11 Fig. 4-10 4-22 Samsung Electronics...
  • Page 41 Refer to a pattern Refer to a pattern image of Table 4-11 image of Table 4-11 Switching Replace PICS1. operation check feed back, 2nd voltage of PIC1 is normal? Refer to a pattern image of Table 4-11 Replace PIC1 Samsung Electronics 4-23...
  • Page 42 1. (8.3V) 2. (2.5V) 3. (1.8V) 4. (1.9V) 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 4-24 Samsung Electronics...

  • Page 43: Software Update

    5) Eject the update disc by using the OPEN/CLOSE button once the unit turns on. 6) Firmware update is ended, Turn on your player. Fig. 4-15 In order to check new version like the upper, press the INFO button after opening a ray. Samsung Electronics 4-25...
  • Page 44 Trouble Shooting M E M O 4-26 Samsung Electronics...

  • Page 45: Exploded View And Parts List

    5. Exploded View and Parts List 5-1 Cabinet Assembly ------------------------------------------------------------------------------- 5-2 5-2 Electrical Parts List ---------------------------------------------------------------------------- 5-4 Samsung Electronics...
  • Page 46 Exploded Views and Parts List 5-1 Cabinet Assembly W275 W001 W275 W275 C015A A-DECK W275 M0014 P208 P003 P025 A001 C001 C002 This Document can not be used without Samsung's authorization Samsung Electronics...
  • Page 47 AK97-02255C ASSY DECK-DVD;DP-24A,S78RFL-DL5FL,FFC 23 M0014 AK92-01877A ASSY PCB MAIN;-,DVD-P191/EDC,DivX,NonVCD P003 AK92-01859B ASSY PCB SMPS;-,DVD-P191,SMPS ASSY,400V, P025 AC39-10019A CBF-POWER CORD;KKP-419C,H03VVH2-F,VDE/KE P208 AK92-01791A ASSY PCB-SCART;-,DVD-P191,SCART ASSY,NEX W001 6003-000275 SCREW-TAPTITE;BH,+,-,B,M3,L10,ZPC(BLK),S W275 6003-001561 SCREW-TAPTITE;BH,+,-,B,M3,L6,ZPC(WHT),SW Samsung Electronics This Document can not be used without Samsung's authorization...

  • Page 48: Electrical Parts List

    R-CHIP;10Kohm,5%,1/16W,TP,1005 PRS34 2007-000516 R-CHIP;2.7Kohm,1%,1/10W,TP,1608 R105 2007-000138 R-CHIP;100ohm,5%,1/16W,TP,1005 PTD1 AK26-00037A TRANS SWITCHING;EE1927,DVD-H1080,-,FREE, R111 2007-000171 R-CHIP;0ohm,5%,1/16W,TP,1005 PVA1 1405-000186 VARISTOR;470V,2500A,17.5x7.5mm,TP R319 2007-000143 R-CHIP;4.7Kohm,5%,1/16W,TP,1005 PZD21 0403-000713 DIODE-ZENER;MTZJ20B,18.63-17.7V,500MW,DO R326 2007-001325 R-CHIP;3.3Kohm,5%,1/16W,TP,1005 PZD22 0403-000720 DIODE-ZENER;MTZJ9.1B,8.57-9.01V,500mW,DO This Document can not be used without Samsung's authorization Samsung Electronics...
  • Page 49 ASSY SUB MATERIAL-TRAVERSE DECK;DP-24 AK97-02231A ASSY PICK UP;SOH-DL5FL,-,PICK-UP,- A001 AK59-00103C REMOCON-ASSY;DVD-P191,SAMSUNG,120*42,-,2 1 AC14 2203-000189 C-CER,CHIP;100nF,+80-20%,25V,Y5V,1608 2401-002144 C-AL;47uF,20%,16V,GP,TP,5x11,5 CER02 2007-000071 R-CHIP;22ohm,5%,1/10W,TP,1608 KAR21 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 0601-000519 LED-IR;ROUND,5mm,170mW,4V,950nm,TP 0501-000534 TR-SMALL SIGNAL;2SC2412K,NPN,200mW,SOT-2 2007-002425 R-CHIP;1ohm,5%,1/10W,TP,1608 Samsung Electronics This Document can not be used without Samsung's authorization...
  • Page 50 Exploded Views and Parts List M E M O Samsung Electronics...

  • Page 51: Schematic Diagrams

    When replacing any of these components. Use only the same type. 7-8 Audio (Main PCB) ---------------------------------------------------------------------------------------7-10 7-9 Decoder (Main PCB) -----------------------------------------------------------------------------------7-11 7-10 Scart (Scart PCB) -------------------------------------------------------------------------------------7-12 Samsung Electronics This Document can not be used without Samsung's authorization...

  • Page 52: All Block Diagram

    Stream Decoder Audio I2S_Out DEMUX DACs (5x) Decoder 12KB MPEG-4 Video I2S_In I-cache D-cache Decoder SPDIF SPDIF OUT Slave Mstick Device Drive SD/MMC Bridge Audio Audio PWM 32-bit AHB This Document can not be used without Samsung's authorization Samsung Electronics...

  • Page 53: Power

    By inducted Vb, Ib start flow and the VCC voltage of PQR11 is sustained stable. Ib is constant and I1 increases in Proportion to time. After constant time passed Ib become to shortage and PICF1 is cut OFF (S/W OFF). Fig. 7-1 Samsung Electronics This Document can not be used without Samsung's authorization...
  • Page 54 - PRS32, PCS32 : Prevent PICS2 oscillation (for phase correction). 7-2-3 Internal Block Diagram u Internal Block Diagram Fig. 7-3 Driving Circuit (d) Feedback Control Circuit Fig. 7-5 Fig. 7-4 This Document can not be used without Samsung's authorization Samsung Electronics...

  • Page 55: S.m.p.s Pcb)

    Schematic Diagrams 7-3 S.M.P.S (S.M.P.S PCB) Power    PF2S DC 180V PDS01~04 DC 110-350V PICS1 1. (8.3V) 2. (2.5V) 3. (1.8V) 4. (1.9V) Samsung Electronics This Document can not be used without Samsung's authorization...

  • Page 56: Connector (S.m.p.s Pcb)

    Schematic Diagrams 7-4 Connector (S.M.P.S PCB) Power This Document can not be used without Samsung's authorization Samsung Electronics...

  • Page 57: Led Display (S.m.p.s Pcb)

    Schematic Diagrams 7-5 Led Display (S.M.P.S PCB) Power Samsung Electronics This Document can not be used without Samsung's authorization...

  • Page 58: Power Key (S.m.p.s Pcb)

    Schematic Diagrams 7-6 Power (S.M.P.S PCB) Power This Document can not be used without Samsung's authorization Samsung Electronics...

  • Page 59: Video (Main Pcb)

    Schematic Diagrams 7-7 Video (Main PCB) Video Audio Samsung Electronics This Document can not be used without Samsung's authorization...

  • Page 60: Audio (Main Pcb)

    7-8 Audio (Main PCB) Audio DATA0 Waveform  AIC5 Pin(1,7), AQ33  These are the waveforms of DVD-P191. Caution There can be some differences (Voltage, Frequency, stc.) among cameras. 7-10 This Document can not be used without Samsung's authorization Samsung Electronics...

  • Page 61: Decoder (Main Pcb)

    DIC1 Pin(63,64), MIC1(9,10) SPD Waveform DIC1 Pin(106), MIC1(17,18,28)  CVBS Waveform These are the waveforms of DVD-P191. DIC1 Pin(54,59) Caution There can be some differences (Voltage, Frequency, stc.) among cameras. Samsung Electronics This Document can not be used without Samsung's authorization 7-11...

  • Page 62: Scart (Scart Pcb)

    Schematic Diagrams 7-10 Scart (Scart PCB) Power Video Audio 7-12 This Document can not be used without Samsung's authorization Samsung Electronics...

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