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Samsung PDP4294X/SMS Service Manual

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PLASMA DIAPLAY TV
PLASMA DISPLAY TV
Chassis :
D54B(N)
Model:
PDP4294X/SMS
1.
2.
3.
4.
5.
6.
7.
C O N T E N T S
Specifications
Alignment and Adjustments
Exploded View and Parts List
Electric Parts List
Circuit Description
Troubleshooting
Schematic Diagrams

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Summary of Contents for Samsung PDP4294X/SMS

  • Page 1 PLASMA DISPLAY TV Chassis : D54B(N) Model: PDP4294X/SMS PLASMA DIAPLAY TV C O N T E N T S Specifications Alignment and Adjustments Exploded View and Parts List Electric Parts List Circuit Description Troubleshooting Schematic Diagrams...
  • Page 2 ELECTRONICS © Samsung Electronics Co., Ltd. JUL. 2003 This Service Manual is a property of Samsung Electronics Co.,Ltd. Printed in Korea Any unauthorized use of Manual can be punished under applicable AA82-00793A International and/or domestic law.
  • Page 3 TEST PATTERN 12.OPTION TM_ALS42N02_001 13. RESET 02-12-10 09H 2-1-2(B) B SERVICE MODE utton Operations in Menu Displays all menus Joystick UP/DOWN Cursor move to select items Joystick (LEFT/RIGHT) Enable to increase and decrease the data of the selected items Samsung Electronics...
  • Page 4 ITEM Component1,2(HD) TV/VIdeo/S-Video/Component1,2(SD) VAPGAIN VAPINV YPFP YPFG 2-1-3(B) VPC3230 : TV-COMP ITEM Component1,2(HD) TV/VIdeo/S-Video/Component1,2(SD) CONTRAST BRIGHTNESS PEAKING CORING LUMA DELAY HPLL SPEED YUV CONTRAST YUV BRIGHTNESS YUV SATCB YUV SATCR YUV TINT SATURATION 2000 2000 2000 2000 TINT Samsung Electronics...
  • Page 5 2-1-3(C) VPC3230(S) TV COMP ITEM Component1,2(HD) TV/VIdeo/S-Video/Component1,2(SD) PIP CONTRAST PIP BRIGHTNESS YUV CONTRAST YUV BRIGHTNESS LUMA DELAY H POSITION V POSITION 2-1-3(D) FLI2200 : TV-COMP ITEM TV/VIdeo/S-Video/Component1,2(SD) Component1,2(HD) Y CLAMP C CLAMP Y DELAY C DELAY MOTION DETECT Samsung Electronics...
  • Page 6 TEXT ALPHA TEXT THRESHOLD FILTER ML FILTER MR FILTER FR FILTER MC FILTER UC FILTER LC FILTER YPASS R GAMMA G GAMMA B GAMMA H POSITION V POSITION H SIZE V SIZE OVERSCAN B OVERSCAN G OVERSCAN R Samsung Electronics...
  • Page 7 2-1-3(G) DNIe : ALL (EXCEPT SUB BRIGHT/CONT) ITEM Component1,2(HD) TV/VIdeo/S-Video/Component1,2(SD) SUB BRIGHT SUB CONT NR SCALE MAX NR SCALE MIN DE GAIN COR DE GAIN CLIP CE UPPER CE CUTOFF CE GAIN WTE Y THRE WTE C THRE SYNC MODE PATT SEL Samsung Electronics...
  • Page 8 YG GAIN 2-1-3(I) AD9883 : COMP-PC ITEM Component1,2(HD) TV/VIdeo/S-Video/Component1,2(SD) R GAIN G GAIN B GAIN R, CR OFFSET G, Y OFFSET B, CB OFFSET AUTO COLOR AUTO COLOR : Automatic white balance adjustment in pc mode and component(HD) mode. Samsung Electronics...
  • Page 9 TV/VIdeo/S-Video/Component1,2(SD) R DRIVE G DRIVE B DRIVE R CUTOFF G CUTOFF B CUTOFF GAMMA GTS SET ERD MODE RANDOM NOISE DIFF FILTER APC SET APC VALUE ACTIVE VPOS ACTIVE HPOS VSYNC POS HSYNC POS VSYNC WIDTH HSYNC WIDTH Samsung Electronics...
  • Page 10 IRC AFN 0:General American mode 1:Military American mode LANGUAGE 0:English 1:French 2:Spanish CUSTOMER 0:CE 1:VMB 0:1 TUNER 1:2 TUNER TUNER Stereo ↔ mono boundary value PILOT HIGH Stereo ↔ mono boundary value PILOT LOW Customer settings reset RESET Samsung Electronics...
  • Page 11 Memory mode level level Memory mode Micom can memorize the four modes separately. However, under the current adjustment guidelines, DTV and PC are memorized with the same value during DVI adjustment and RF is memorized with a separate value. Samsung Electronics...
  • Page 12 2-2-2 White Balance Coordinates by Mode Pedestal Level Low Light High Light measure point measure point DTV COMPONENT VIDEO (480P, 720P, 1080i ) Y( fL) 32.0 33.0 17.6 33.0 Y( fL) = Pattern Used in Adjustment : 10 Steps Gray scale pattern 2-10 Samsung Electronics...

  • Page 13: Voltage Adjustment

    VR : Vari able Resistor SMPS T(VS) CN804 T(VE) VSCA N VSET N805 T(VSCAN) T(VSET) T(VA) N806 T(VG) N812 Vstb CN803 T(STB_5V) CN800S CN802 CN801 OUTPUT Voltage( V) VSCAN(VSC) See the labels attached on the base chassis. VSET STB_5V +15V Samsung Electronics 2-11...
  • Page 14 MEMO 2-12 Samsung Electronics...

  • Page 15: Circuit Description

    Circuit Operation Description 5. Circuit Description 5-1 BLOCK DIAGRAM Samsung Electronics...

  • Page 16: Wire Diagram

    Circuit Operation Description 5-2 WIRE DIAGRAM Samsung Electronics...

  • Page 17: Power Supply

    Circuit Operation Description 5-3 POWER SUPPLY 5-3-1 Block Diagram Samsung Electronics...
  • Page 18 Driving Voltage of Fet D12V +12V 0.1A A12V +12V 0.3A 0.1A IC Driving Voltage of Logic Board 0.1A 1.0A D3.3V +3.3V 4.5A 12V AMP +12V 1.7A Amp Voltage of Audio Board +33V 0.003A STD_5V 0.6A Stand-by for Remote Control Samsung Electronics...

  • Page 19: Overvoltage Protection

    Even if a short_circuit occurs when the SMPS is operating within the range presented in Chapter 3, it will not cause a malfunction to the parts or the PCB patterns. The following table gives Over Current protection specifications. Table3. Over Current Protection. Parameter Unit VS(85V) VA(75V) D3.3V Samsung Electronics...
  • Page 20 The AC/DC Converter converts AC input into DC voltage using a power-factor enhancement circuit. It is designed to not only enhance the power-factor but also suppress noise. It also becomes the input for other constant voltage parts. Picture 1. PFC Drive FET(2SK2372) Drain pulse Samsung Electronics...
  • Page 21 = RAMP x 0.51 RAMP In the SMPS circuit, the oscillation frequency is as follows: = 59.417kHz osc = 0 51 ( R59 : 1/8W 20K ) , C ( C14 : MLCC 222 ) Samsung Electronics...
  • Page 22 As the main part of a SMPS for PDP, sustain voltage must supply a high power, 85V/5.0A. To comply with the specification, the Asymmetrical Half Bridge converter method was used. At the output stage two 85V converters are connected parallel for high efficiency and reduction of sys- tem size against a single 85V converter. Samsung Electronics...
  • Page 23 Circuit Operation Description Picture 4. VS Drive FET(SPW17N80C3) Drain pulse Picture 5. VS Drive FET(SPW17N80C3) Gate pulse Samsung Electronics...
  • Page 24 In Current Mode Operations, a PWM wave is induced via a current detection resistor or current transformer and indicates the current that flows through the output terminal. $ DC-DC Converter Input to VSCAN, VSET and VE are included in the VS component. Picture 6. VSET Pulse Picture 7. VE Pulse 5-10 Samsung Electronics...
  • Page 25 Circuit Operation Description Picture 8. VSCAN Pulse % Output (VA,Multi Outputs) Pulse Picture 9. VA Main Pulse Samsung Electronics 5-11...
  • Page 26 Circuit Operation Description Picture 10. Multi Outputs Main Pulse 5-12 Samsung Electronics...
  • Page 27 RT N RT N + 60V VSET RT N RT N + 85V RT N + 85V + 85V + 85V CN807,808,809,810,811 ( FAN ) CN800(AC INPUT ) OUT PUT INPUT + 12V D12V RT N FAN_D Samsung Electronics 5-13...
  • Page 28 Circuit Operation Description 5-3-4 Power Supply Systematic Diagram and Wiring Diagram 5-14 Samsung Electronics...

  • Page 29: Power Supply Layout

    Circuit Operation Description 5-3-5 Power Supply Layout Samsung Electronics 5-15...
  • Page 30 Nor mal Abnor mal VSCAN Che ck the IC16 ,IC1 7 ,IC1 8 VE,VSET Nor mal Che ck the Othe r boar d ( Image Boar d or Dr ive r Boar d ) or Cable . 5-16 Samsung Electronics...
  • Page 31 D205 MBR20100CT 100V,20A A6V,D6V Output Diode D301 MBR20100CT 100V,20A D3.3V Output Diode D201 BYV38 1kV,2A TELEFUNKEN VT Output Diode D202 D10LC20U 200V,10A VG Output diode RL2S G2R-1A DC5V DC5V OMRON RELAY RL3S G2R-1A DC24V DC24V OMRON RELAY Samsung Electronics 5-17...

  • Page 32: Driver Circuit

    (i.e., the same state of wall and space electric discharges). The ramp reset discharge section, therefore, is important to secure the drive margin, and methods most widely used to date include wall voltage controlling by ramp pulse. 5-18 Samsung Electronics...
  • Page 33 And, weak discharge is generated because of a small impressed voltage. Samsung Electronics 5-19...
  • Page 34 FET Gate Driver Recovery Vset Vscan Main Switching Switching Switching Switching Recovery circuit Picture. Drive Y-Board LOGIC Signal Input Power Input 110V LOGIC Signal Buffer FET Gate Driver Main Reovery Switching Switching Switching Recovery circuit Picture. Drive X-Board 5-20 Samsung Electronics...
  • Page 35 : 70V ~80V - Scan bias e) Vdd : 3.3V - Logic signal buffer IC f) Vcc : 15V - FET Gate drive IC 2. Logic Signal - Supplied from the logic board - Gate signal of each FET Samsung Electronics 5-21...
  • Page 36 Circuit Operation Description 5-4-1(E) Drive Circuit’s Operational Block Diagra m - Functions of Boards 5-22 Samsung Electronics...
  • Page 37 Utilizes the Va pulses on the address electrodes to form an address discharge by using the differences between the beamed pulses occurring on the Y electrodes. It is manufactured in the COF form. Each COF consists of data drive ICs (STMicroelectronics’s STV7610A: 96 outputs). When a single scan occurs, 7 COFs are required. Samsung Electronics 5-23...
  • Page 38 Circuit Operation Description 5-4-2 SPECIFICATION OF DRIVE PULSES 5-4-2(A) DRIVE PULSES 5-24 Samsung Electronics...
  • Page 39 5~6 discharges, though it may differ depending on the structure of the electrodes and the environmental conditions. Hence, the reason to maintain the first sustain-pulses for a long time is to form a stabilized first discharge and generate as many wall charges as it possibly can. Samsung Electronics 5-25...
  • Page 40 G2, FET2 gets short-circuited, thereby causing GND to be outputted to output terminals. (2) With signal impressed on G1, FET1 gets short- circuited, and with no signal impressed on G2, FET2 gets open-circuited, thereby causing 180V to be outputted to output terminals. 5-26 Samsung Electronics...
  • Page 41 Circuit Operation Description 5-4-2 (D) DRIVER CIRCUIT DIAGRAM Samsung Electronics 5-27...
  • Page 42 Circuit Operation Description 5-4-2(E) DRIVER BOARD CONNECTOR LAYOUT Power Panel Panel Signal Panel 5-28 Samsung Electronics...
  • Page 43 Circuit Operation Description Panel Power Panel Panel Panel Panel Signal Panel Samsung Electronics 5-29...
  • Page 44 - Then check the line between OUTL and OUTH using a diode (diode ccheck) and ensure that the forward voltage falling is between 0.4V~0.5V. - Also, the resistance between the two terminals should be more than several k ohms. 5-30 Samsung Electronics...
  • Page 45 - Connect the Y Main to the Y buffer and apply power. Ensure that at least one of the OUT1~8 values of the Y buffer is the same as one of the values shown on Attachment 1. OUT1 OUT2 Samsung Electronics 5-31...
  • Page 46 Circuit Operation Description - Ensure that the TPOUT outputs on the X board match those in Attachment 2 when the power is applied. 5-32 Samsung Electronics...
  • Page 47 Circuit Operation Description Attachment # 1 Y Output Waveform Ensure that one scan pulse is output! Y Output Waveform (200us/div, 100V/div) Samsung Electronics 5-33...
  • Page 48 Circuit Operation Description Attachment # 2 X Output Waveform X Output Waveform (100us/div, 100V/div) 5-34 Samsung Electronics...

  • Page 49: Logic Part

    Circuit Operation Description 5-5 Logic part 5-5-1 Description of the Logic Board 5-5-1(A) 42” SD S2.0 Board Layout Samsung Electronics 5-35...
  • Page 50 Circuit Operation Description 5-5-1 (B) Chart of Logic Board Signal Flow 5-36 Samsung Electronics...
  • Page 51 Outputs the address data and control signals to the G-buffer board. (G-Address Buffer Connector) Power Connector Receives the power input (5V) for the logic board. Power Fuse Fuse attached to the power input part (5V) of the logic board. Samsung Electronics 5-37...
  • Page 52 If the set has a problem, visually check the LED status and replace the board if any error is found. If you need to detect and check errors, follow the directions given in the Attachment: “Logic Board Inspection Procedure”. 5-38 Samsung Electronics...

  • Page 53: Troubleshooting

    LED indicators. Replace the 256K EEPROM Check the video board. and check again. Check the internal patterns. Screen error of a specific COF block. Check the detailed waveforms Check the buffer board. (Refer to the Inspection Procedure attached.) Samsung Electronics 5-39...
  • Page 54 4-3 Visually inspect the soldering state of the ASS’Y Y. First, inspect the omitted part slots on the mounting surface and the short-circuits on the various ICS and connector pins, and then inspect the short-circuits on th opposite side. When the visual inspection is finished, record the inspection results on the Inspection Record Sheet. 5-40 Samsung Electronics...
  • Page 55 Connect PROBE 1 as shown in the following figure and set it to TRIGGER. Perform the test by capturing the waveforms from each point with PROBE 2. GND1 TP13 Figure 2. Connecting probe 1 of the oscilloscope Samsung Electronics 5-41...
  • Page 56 $ Measure each waveform on the board and compare to the waveforms on Attachment 1. % Finish the inspection and turn the linear power supply (or SMPS) off. ^ After completing the inspection, set the SW2001 switch to the external pattern. 5-42 Samsung Electronics...
  • Page 57 5-5-4 SD S2.0 Logic Board Waveforms ❈ Oscilloscope settings: 4.0ms/div, 2V/div signal for trigger (TP13) peak to peak level:3.3V TP04,VSYNC peak to peak level:3.3V Frequency:60Hz signal for trigger (TP13) peak to peak level:3.3V TP05,HSYNC peak to peak level:3.3V Samsung Electronics 5-43...
  • Page 58 Circuit Operation Description signal for trigger (TP13) peak to peak level:3.3V CN101(6),DATAEN peak to peak level:3.3V signal for trigger (TP13) peak to peak level:3.3V AR2042~AR2047 Terminal DATA peak to peak level:3.3V 5-44 Samsung Electronics...
  • Page 59 Circuit Operation Description signal for trigger (TP13) peak to peak level:3.3V CN101(6),Xf peak to peak level:3.3V signal for trigger (TP13) peak to peak level:3.3V CN101(8),Xr peak to peak level:3.3V Samsung Electronics 5-45...
  • Page 60 Circuit Operation Description signal for trigger (TP13) peak to peak level:3.3V CN101(10),Xc peak to peak level:3.3V signal for trigger (TP13) peak to peak level:3.3V CN101(12),Xp peak to peak level:3.3V 5-46 Samsung Electronics...
  • Page 61 Circuit Operation Description signal for trigger (TP13) peak to peak level:3.3V CN101(14),Xg peak to peak level:3.3V signal for trigger (TP13) peak to peak level:3.3V CN101(16),Xe peak to peak level:3.3V Samsung Electronics 5-47...
  • Page 62 Circuit Operation Description signal for trigger (TP13) peak to peak level:3.3V CN121(8),Xs peak to peak level:3.3V signal for trigger (TP13) peak to peak level:3.3V CN201(4),Yfr peak to peak level:3.3V 5-48 Samsung Electronics...
  • Page 63 Circuit Operation Description signal for trigger (TP13) peak to peak level:3.3V CN201(6),Yg peak to peak level:3.3V signal for trigger (TP13) peak to peak level:3.3V CN201(8),Y1 peak to peak level:3.3V Samsung Electronics 5-49...
  • Page 64 Circuit Operation Description signal for trigger (TP13) peak to peak level:3.3V CN201(10),Yrr peak to peak level:3.3V signal for trigger (TP13) peak to peak level:3.3V CN201(12),Ys peak to peak level:3.3V 5-50 Samsung Electronics...
  • Page 65 Circuit Operation Description signal for trigger (TP13) peak to peak level:3.3V CN201(14),Yp peak to peak level:3.3V signal for trigger (TP13) peak to peak level:3.3V CN201(6),Ysp peak to peak level:3.3V Samsung Electronics 5-51...
  • Page 66 Circuit Operation Description signal for trigger (TP13) peak to peak level:3.3V CN201(18),Ysc peak to peak level:3.3V signal for trigger (TP13) peak to peak level:3.3V CN201(20),Yc peak to peak level:3.3V 5-52 Samsung Electronics...
  • Page 67 Circuit Operation Description signal for trigger (TP13) peak to peak level:3.3V CN201(22),Yr peak to peak level:3.3V signal for trigger (TP13) peak to peak level:3.3V CN201(24),Yf peak to peak level:3.3V Samsung Electronics 5-53...
  • Page 68 Circuit Operation Description signal for trigger (TP13) peak to peak level:3.3V CN201(26),Ysc_c peak to peak level:3.3V signal for trigger (TP13) peak to peak level:3.3V CN201(30),TSC peak to peak level:3.3V 5-54 Samsung Electronics...
  • Page 69 Circuit Operation Description signal for trigger (TP13) peak to peak level:3.3V CN201(32),STB peak to peak level:3.3V signal for trigger (TP13) peak to peak level:3.3V CN201(34),LE peak to peak level:3.3V Samsung Electronics 5-55...
  • Page 70 Circuit Operation Description signal for trigger (TP13) peak to peak level:3.3V CN201(36),CLK peak to peak level:3.3V signal for trigger (TP13) peak to peak level:3.3V CN201(38),SIA peak to peak level:3.3V 5-56 Samsung Electronics...
  • Page 71 Circuit Operation Description signal for trigger (TP13) peak to peak level:3.3V CN201(40),SIB peak to peak level:3.3V signal for trigger (TP13) peak to peak level:3.3V AR2009(1,2,3),POL peak to peak level:3.3V Samsung Electronics 5-57...
  • Page 72 Circuit Operation Description signal for trigger (TP13) peak to peak level:3.3V AR2009(4), AR2008(1,2),STB peak to peak level:3.3V signal for trigger (TP13) peak to peak level:3.3V AR2010(2,3,4), peak to peak level:3.3V 5-58 Samsung Electronics...
  • Page 73 Circuit Operation Description signal for trigger (TP13) peak to peak level:3.3V AR2008(3,4), AR2007(1), SCLK_1 peak to peak level:3.3V Frequency:20MHz signal for trigger (TP13) peak to peak level:3.3V AR2007(2,3,4), SCLK_2 peak to peak level:3.3V Frequency:20MHz Samsung Electronics 5-59...
  • Page 74 Circuit Operation Description signal for trigger (TP13) peak to peak level:3.3V U2013(2),DATA peak to peak level:3.3V signal for trigger (TP13) peak to peak level:3.3V U2014(2),DATA peak to peak level:3.3V 5-60 Samsung Electronics...
  • Page 75 Circuit Operation Description signal for trigger (TP13) peak to peak level:3.3V AR2011~AR2034 [Do not inspect the waveforms for AR2012(1), AR2015(1), AR2016(4), AR2017(4), AR2025(1), AR2026(4), AR2031(1), AR2030(4), AR2032(3), AR2033(2), and AR2034(3)] peak to peak level:3.3V Samsung Electronics 5-61...
  • Page 76 The output voltage of PROBE 2 should be 5V for inspection. signal for trigger (TP13) peak to peak level:3.3V EC1,EC2,EC3,FC4, GC5,GC6,GC7(16, 30,54,68),POL peak to peak level:5V signal for trigger (TP13) peak to peak level:3.3V EC1,EC2,EC3,FC4, GC5,GC6,GC7(9~ 14,23~28,47~52, 61~67),DATA peak to peak level:5V 5-62 Samsung Electronics...
  • Page 77 Circuit Operation Description signal for trigger (TP13) peak to peak level:3.3V EC1,EC2,EC3,FC4, GC5,GC6,GC7(20, 34,58,72),STB peak to peak level:5V signal for trigger (TP13) peak to peak level:3.3V EC1,EC2,EC3,FC4, GC5,GC6,GC7(15, 29,53,67),BLK peak to peak level:5V Samsung Electronics 5-63...
  • Page 78 Circuit Operation Description signal for trigger (TP13) peak to peak level:3.3V EC,EC2,EC3,FC4, GC5,GC6,GC7(19, 57),SCLK_1 peak to peak level:5V Frequency:20MHz signal for trigger (TP13) peak to peak level:3.3V EC1,EC2,EC3,FC4, GC5,GC6,GC7(33, 72),SCLK_2 peak to peak level:5V Frequency:20MHz 5-64 Samsung Electronics...
  • Page 79 Circuit Operation Description 5-6 Video Circuit Part 5-6-1 Block Diagram 5-6-1(A) Analog Board IC & Signal Block Diagram Samsung Electronics 5-65...
  • Page 80 Circuit Operation Description 5-6-1(B) Digital Board IC & Signal Block Diagram 5-66 Samsung Electronics...
  • Page 81 (3) Check whether the video input signals (pins 43, 48, 54) and the H (pin 30) and V (pin 31) input signals are normal. (4) Check whether the data outputs are normal. Y, Pb, Pr (pins 25, 26, 27), COMP_H (pin 22) : 45 KHz (for 720p), COMP_V (pin 23) : 60Hz Samsung Electronics 5-67...
  • Page 82 (1) Check whether the proper power is supplied. (3.3V) (2) Check wether the power down pin’s (pin 32) output is High. (3) Check whether the outputs of DNIe are input into DS90C385 normally. (4) Check whether the LVDS data outputs are normal. 5-68 Samsung Electronics...

  • Page 83: Electrical Parts List

    Electrical Parts List 4 Electrical Parts List 4-1 ASSY BOARD & PARTS LIST FOR SERVICE Samsung Electronics...
  • Page 84 Electrical Parts List Samsung Electronics...
  • Page 85 6001-000578 SCREW-MACHINE;TH,+,M3,L8,ZPC(YEL),SWRCH1 ASSY ACCESSORY ..2 CCM 6001-000578 SCREW-MACHINE;TH,+,M3,L8,ZPC(YEL),SWRCH1 ..2 T0081 6003-001026 SCREW-TAPTITE;RH,+,B,M4,L15,ZPC(BLK),SWR S.N.A ..2 T0081 6003-001026 SCREW-TAPTITE;RH,+,B,M4,L15,ZPC(BLK),SWR S.N.A M0016 BN92-00894M ASSY ACCESSORY;PDP4294X/SMS,D54B,SAMS CL S.N.A ..2 T0081 6003-001026 SCREW-TAPTITE;RH,+,B,M4,L15,ZPC(BLK),SWR S.N.A ..2 T0081 6003-001026 SCREW-TAPTITE;RH,+,B,M4,L15,ZPC(BLK),SWR S.N.A ..2 T0121 3301-001110 CORE-FERRITE;ZZ,35x19.5x9.0mm,-,- ..2 T0081 6003-001026 SCREW-TAPTITE;RH,+,B,M4,L15,ZPC(BLK),SWR...
  • Page 86 MEMO Samsung Electronics...
  • Page 87 Exploded View & Parts List 3. Exploded View & Parts List 3-1 PDP4294X/SMS You can search for the updated part code through ITSELF web site. URL : http://itself.sec.samsung.co.kr Code No Description;Specification Q’ty Remark S.N.A BN96-00737A ASSY COVER P-FRONT;PDP4294,AKAI,HIPS V0, M0001 S.N.A...
  • Page 88 Schematic Diagrams 7. Schematic Diagrams 7-1 ANALOG-1 TP01 TP02 TP03 TP01 TP02 TP03 TP04 TP05 TP06 TP07 TP08 TP04 TP05 TP06 TP08 TP07 Samsung Electronics...
  • Page 89 Schematic Diagrams 7-2 ANALOG-2 Samsung Electronics...
  • Page 90 Schematic Diagrams 7-3 ANALOG-3 Samsung Electronics...
  • Page 91 Schematic Diagrams 7-4 ANALOG-4 Samsung Electronics...
  • Page 92 Schematic Diagrams 7-5 DIGITAL-1 TP09 TP10 TP10 TP09 TP11 TP11 TP15 TP12 TP13 TP12 TP14 TP13 TP14 TP15 Samsung Electronics...
  • Page 93 Schematic Diagrams 7-6 DIGITAL-2 Samsung Electronics...
  • Page 94 Schematic Diagrams 7-7 DIGITAL-3 Samsung Electronics...
  • Page 95 Schematic Diagrams 7-8 DIGITAL-4 Samsung Electronics...
  • Page 96 Schematic Diagrams 7-9 DIGITAL-5 TP16 TP17 TP18 TP16 TP18 TP17 Samsung Electronics...
  • Page 97 Schematic Diagrams 7-10 DIGITAL-6 TP19 TP20 TP21 I C 6 0 1 D N I e TP22 TP19 TP20 TP21 TP22 7-10 Samsung Electronics...
  • Page 98 Schematic Diagrams 7-11 DIGITAL-7 TP23 TP24 TP25 TP23 TP26 TP26 TP28 TP29 TP27 TP27 TP24 TP25 TP30 TP28 TP29 TP30 Samsung Electronics 7-11...
  • Page 99 Schematic Diagrams 7-12 DIGITAL-8 7-12 Samsung Electronics...
  • Page 100 Schematic Diagrams 7-13 CONTROL Samsung Electronics 7-13...

  • Page 101: Specifications

    10W + 10W (8Ω) AUDIO Output Subwoofer (500mv RMS at 1KHz) VIDEO S-VIDEO COMPONENT 1 - 480i / 480p / 720p / 1080i VIDEO Input COMPONENT 2 - 480i / 480p / 720p / 1080i RGB : D-SUB 15P Samsung Electronics...
  • Page 102 MEMO Samsung Electronics...
  • Page 103 Normal Normal Replace the SMPS. Abnormal Check the Logic Replace the Logic board. outputs. Normal Abnormal Check the X-board Replace the X-board. outputs. Normal Abnormal Check the Y-board Replace the Y-board. outputs. Normal Replace the Panel. Samsung Electronics...
  • Page 104 Replace the upper Y buffer board. No lower screen Replace the lower Y buffer board. Replace the corresponding No 1/7 vertical screen X buffer board. Replace the panel. No 1/2 vertical screen No 3/4 vertical screen Replace the panel. Samsung Electronics...

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