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Download samsung 710s docs - Computer monitors - CRT, TFT, LCD, touch screen, plasma display - service manuals and repair information


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File name:samsung710s.ZIP
[preview 710s] new window
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Mfg:

samsung

Model:

710s

Original Chassis:
Descr:710s schematics
Group:Electronics > Computer equipment > Monitors >
Uploaded:2004-09-13 05:44:57
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CHB7707L_XAA.0000051600.E.01.pdfCOLOR MONITOR CHB5707L/5237L CHB6107L(M)/6117L(M) CHB7707L(M)/7227L(M)/7727L(M) SERVICE COLOR MONITOR Manual CONTENTS 1. Precautions 2. Reference Information 3. Product Specifications 4. Operating Instructions 5. Disassembly & Reassembly 6. Alignment & Adjustments 7. Troubleshooting 8. Exploded View & Parts List MENU 9. Electrical Parts List + 10. Block Diagram 11. PCB Diagrams 12. Wiring Diagram 13. Schematic Diagrams Samsung Electronics Co., Ltd. September 1998 Printed in Korea Code No.: BH68-61129A
CHB7707L_XAA.0000051600.E.02.pdf1 Precautions 1-1 Safety Precautions WARNINGS 1. For continued safety, do not attempt to modify the circuit board. 2. 3. Disconnect the AC power before servicing. When the chassis is operating, semiconductor heatsinks are potential shock hazards. 3. 2. Inspect all protective devices such as nonmetallic control knobs, insulating materials, cabinet backs, adjustment and compartment covers or shields, isolation resistor-capacitor networks, mechanical insulators, etc. Leakage Current Hot Check (Figure 1-1): WARNING: Do not use an isolation transformer during this test. Use a leakage current tester or a metering system that complies with American National Standards Institute (ANSI C101.1, Leakage Current for Appliances), and Underwriters Laboratories (UL Publication UL1410, 59.7). With the unit completely reassembled, plug the AC line cord directly into a 120V AC outlet. With the units AC switch first in the ON position and then OFF, measure the current between a known earth ground (metal
CHB7707L_XAA.0000051600.E.03.pdf2 Reference Information 2-1 List of Abbreviations, Symbols and Acronyms 2-1-1 Abbreviations Abbreviation ASS'Y B B+ ADJ B-CUT B-GAIN BRIGHT C C-MIC CLK CM CN CONT D-SUB EEP-CLK EXT EXT-MIC Freq. FU G G-CUT G-GAIN GND H H H-DRV H-DY H-FLB H-FV H-LIN H-POSI H-SIZE H/PHONE Hz I-SENSE lb MAX MIC MIN MP MPP MO CHB5**7L/6**7L/7**7L Definition Assembly Blue B+ Adjustment Blue-Cutoff Blue Gain Brightness R-Composition Condenser Microphone Clock R-Cement Connector Contrast D-Subminiature Electrically Erasable and Programmable Clock External External Microphone Frequency Fusible Green Green-Cutoff Green Gain Ground Horizontal Heater Horizontal Drive Horizontal Deflection York Horizontal Flyback Horizontal-Feedback Voltage Horizontal Linearity Horizontal Position Horizontal Size Headphone Hertz Current-Sense Pound Maximum Microphone Minimum C-Metalized Polyester Metal Polypropylene R-Metal Oxide Abbreviation OSC P PARA PARALL PIN-BAL PRE-AMP PS1 PS2 PWR R R-CUT R-GAIN RST S-PIN S-RASTER S/W SCAP
CHB7707L_XAA.0000051600.E.04.pdf3 Product Specifications 3-1 Specifications Item Picture Tube: Description 15-Inch (38 cm): 13.8-inch (35 cm) viewable, 16-Inch (40 cm): 15.0-inch (38 cm) viewable, 17-Inch (43 cm): 15.7-inch (39.80 cm) viewable, Full-square flat-face tube, 90 Deflection, 0.28 mm Dot pitch, Semi- tint, Non-glare, Invar shadow mask, Anti-static silica coating Conventional type (16"), AK Shadow mask (16") Horizontal : 30 kHz to 70 kHz (Automatic) Vertical : 50 Hz to 160 Hz (Automatic) Unlimited colors Horizontal : 1280 Dots Vertical : 1024 Lines Scanning Frequency Display Colors Maximum Resolution Input Video Signal Input Sync Signal Maximum Pixel Clock rate Active Display Analog, 0.714 Vp-p positive at 75 , internally terminated Separate Sync 110 MHz CHB5**7L ; Horizontal : 267 mm 3 mm, Vertical : 200 mm 3 mm CHB6**7L : Horizontal : 290 mm 3 mm, Vertical : 217.5 mm 3 mm CHB7**7L ; Horizontal : 306 mm 3 mm (4:3 ratio), Vertical : 230 mm 3 mm AC 90 to 264 Volts, 60 Hz or 50 Hz 3 Hz 80 Wat
CHB7707L_XAA.0000051600.E.05.pdf4 Operating Instructions 4-1 Front View and Control 4-1-1 Front View MENU - + Power Port 1 2 MENU Signal Cable Figure 4-2. Rear View - + Table 4-1. Front Panel Controls Location 1 3 4 5 6 Symbol Description Power Button Power Indicator LED (Dual Color) 2 MENU Figure 4-1. Front Control Panel 3 4 5 6 - Menu Display & Menu Exit Down Button & Brightness Up Button & Contrast Menu Selector Enter Key + CHB5**7L/6**7L/7**7L 4-1 4 Operating Instructions Note 1: This monitor requires a cable adapter for use with a Macintosh computer. The MacMaster Cable Adapter supports all monitors and all Macintosh, Centris, Quadra, Duo Dock, and Power Macintosh computers. If you do not already have a cable adapter, check with your computer dealer. Note 2: When used with a computer equipped with VESA DPMS functions, this monitor is EPA Energy Star compliant and NUTEK compliant. Table 4-2. Display Power Management Signaling (DPMS) State Items Horizontal Sync Vertical Sync Video Power Indicato
CHB7707L_XAA.0000051600.E.06.pdf5 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the CHB5**7L/6**7L/7**7L monitors. WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components. 5-1 Disassembly (CHB7**7L/CHB6**7L) Cautions:1. Disconnect the monitor from the power source before disassembly. 2. Follow these directions carefully; never use metal instruments to pry apart the cabinet. 5-1-1 Cabinet Disassembly 1. With a pad beneath it, stand the monitor on its front with the screen facing downward and the base close to you. Make sure nothing will damage the screen. 2. Working from the back of the monitor remove the signal cover cap out, and remove the 4 screws and carefully pull the rear cabinet up and off the monitor. 3. Remove the 7 screws on the Top Shield and remove it. 4. Remove the 4 screws on the Bottom Cover and pull it upward to remove it. 5. Using pinch-nosed pliers or long-nosed pliers, car
CHB7707L_XAA.0000051600.E.07.pdf6 Alignment and Adjustments This section of the service manual explains how to make permanent adjustments to the monitor. Directions are given for adjustments using the monitor Interface Board Ver. 2.0 and software (SoftJig). 6-1 Adjustment Conditions Caution: Changes made without the SoftJig are saved only to the user mode settings. As such, the settings are not permanently stored and may be inadvertently deleted by the user. 6-1-1 Before Making Adjustments 6-1-1 (a) ORIENTATION When servicing, always face the monitor to the east. 6-1-1 (b) MAGNETIC FIELDS Whenever possible, use magnetic field isolation equipment such as a Helmholtz field to surround the monitor. If a Helmholtz field is not available, frequently degauss the unit under test. Caution: Other electrical equipment may cause external magnetic fields which may interfere with monitor performance. Use an external degaussing coil to limit magnetic build up on the monitor. If an external degaussing coil is not available, use t
CHB7707L_XAA.0000051600.E.09.pdf7 Troubleshooting 7-1 Parts Level Troubleshooting Notes: 1. If a picture does not appear, fully rotate the brightness and contrast controls clockwise and reinspect. 2. Check the following circuits. No raster appears: Power circuit, Horizontal output circuit, H/V control circuit, and H/V output circuit. High voltage develops but no raster appears: Video output circuits. High voltage does not develop: Horizontal output circuits. 7-1-1 No Power Supply Check and replace FH1, D602, D603, D604, D605. WAVEFORMS 1 544 V (IC601, #1) Chirping noise exists? Yes Check and replace IC601. No Repeating start? Yes Check and replace D607. CH1 P-P = 544 V CH1 RMS = 332.4 V No 1 IC601 Pin 1 waveform is right? No Check and replace OP601, IC603, D610, D624, D609. Yes OP601, IC603, D610 are right? No Replace parts and verify voltages. Yes Normal operation No Replace Main board. Yes Verify voltages. Yes Done. CHB5**7L/6**7L/7**7L 7-1 7 Troubleshooting 7-1-2 DPMS Failure Check signal
CHB7707L_XAA.0000051600.E.12.pdf9 Electrical Parts List 9-1 Main PCB Parts Loc. No. Coordinates (X,Y) BD311 BD312 BD401 BD402 BD441 BD501 BD601 BD621 BD622 C201 C202 C203 C204 C206 C207 C209 C212 C213 C214 C216 C217 C218 C219 C221 C302 C303 C304 C306 C307 C308 C309 C311 C312 C313 C314 C316 C317 C321 C331 C332 C401 C402 C403 C404 C405 23.7 40.4 50.9 74.7 192.0 27.6 195.3 180.2 215.4 57.6 65.9 35.6 40.6 48.2 44.0 23.0 23.3 74.4 57.1 63.2 55.3 55.2 60.5 63.6 112.3 96.3 119.9 119.8 88.8 97.3 113.7 42.7 32.5 25.2 31.5 121.7 118.7 91.6 212.6 264.2 67.2 58.1 49.1 54.2 158.3 140.0 122.7 105.5 139.8 229.9 193.2 45.6 107.7 106.6 63.4 64.7 77.7 80.3 71.4 71.4 63.9 79.0 35.5 31.4 31.4 94.6 99.6 92.2 60.4 71.9 82.9 48.3 96.4 27.3 19.8 59.5 137.3 138.7 135.8 128.1 159.8 65.8 28.5 224.7 238.3 159.8 159.6 159.6 168.7 234.7 Code No. 3301-000011 3301-000011 3301-000011 3301-000011 3301-000011 3301-000011 3301-000011 3301-000011 3301-000011 2401-000028 2401-000025 2401-000050 2202-002009 2201-000010 2201-000010 2401-002299 2401-002299
CHB7707L_XAA.0000051600.E.13.pdfCHB5**7L VIDEO BOARD VIDEO OUTPUT IC102(LM2407) CRT SOCKET BOARD RGB R G B - CUTOFF QR01, QR02, QG01, QG02, QB01, QB02 G1 CRT S/Cable INPUT & Video Gain Control SOCKET H-SYNC, V-SYNC HEATER MAIN BOARD H-SYNC,V-SYNC VER. OUTPUT (2N3904)IC301 FRONT CONTROL BOARD H/V PWM CONTROL IC501 TL494CN VER. - DY CN301 FOCUS1 SCREEN CHB5**7L/6**7L/7**7L H/V FBT T501 210V H-SYNC1 V-SYNC1 SDA SCL H-SIZE RGB Video Pre-Amp IC101(KA2506) 10 Block Diagrams OSD DRIVE CONTROL IC104(MC4320, MC4322 MC4326) HOR./VER. OSC PROCESSOR (TDA9109S) MENU EXIT BRIGHTNESS CONTRAST ENTER High Volt.-DRIVE Q503 H/V OUTPUT (SSP6N90) Q504 H.D.T T401 I-SENSE REGIN HOR.-DRIVE (KSP44)Q443 MICOM (BD24) IC202 +30V LED POWER +12V ACL CIRCUIT VER.-BLANKING (KSC945) Q331 HOR.DEF. STEP-UP IFR630 HOR.OUT (KSC5088) Q447 HOR.DY CN441~3 G1 CONTRAST CONTROL CONTRAST CONTROL EPROM (24LC04) IC202 TILT +75V +46V +13V -10V +7V TO VIDEO +12V V-MUTE S-CORRECTION PS-1 (SUSPEND) PS-2 (POWER-OFF) HOR.LIN. BRIGHTNESS CO
CHB7707L_XAA.0000051600.E.14.pdf11 PCB Diagram 11-1 Semiconductor Lead Identification PARTS TYPE NO. REF. NO. PARTS TYPE NO. REF. NO. PARTS TYPE NO. REF. NO. SDS06U15OS D442 KSC5088 Q447 TDA9302H IC301 K A B C E 1 7 KSC945 KSA733 2N3906 2N3904 KSP44 E B C Q201, Q331, Q402, Q624 Q401, Q501, Q506 Q432, Q509 Q103, Q431, Q441, Q503 Q443 Q601 Q507 Q321, Q471 I G O KA431 IC603 LM2407 IC102 R A K 1 11 KSC1008 2N6502 KSD1616 2N5551C KSB1116 KA7805 IC604 4 1 LTV817M-SM QP601 QR01, QG01, QB01 24LC04 Q322, Q472, Q621 QR02, QG02, QB02 1 4 IC202 IC203 E C 2N2401C B PQ12RD11 IC602 8 1 24LC21A KSB772 Q623 1 : Vin, 2 : Vout, 3 : GND, 4 : Vcc TL494 16 1 IC501 IC104 MC4320P E C B KA2S0680 IRF630 IRF634A G D S IC601 28 1 KA2506 IC101 Q433, Q461 5 Q502 1 1 : Drain, 2 : GND, 3 : Vcc, 4 : F/B, 5 : Sync TDA9109/S 32 1 IC401 IRFR/U230A G D S Q462, Q463 SSS6N90A Q504 BD24 42 IC201 G D S 1 CHB5**7L/6**7L/7**7L 11-1 11 PCB Diagrams Memo 11-2 CHB5**7L/6**7L/7**7L
CHB7707L_XAA.0000051600.E.15.pdf12 Wiring Diagram MAIN PCB CN12 CRT SOCKET FOCUS1 (WHT) FOCUS2 (RED) CRT SOCKET PCB G2 (17") (15") H+ (RED) H+ 1 NC (BLUE) H- 2 (YEL) V+ 3 H NC (BROWN)V- 4 (YEL)V+ 1 NC 2 (Brown)V 3 1 2 3 4 1 2 3 (15") (17") H + H + CN441 H NC CN442 V + H CN443 NC CN446 V V + NC V CN301 CN102A FBT 15" ONLY FOCUS (WHT) CN103 R-OUT GND G-OUT GND B-OUT GND 6.3 V G1 1 2 3 4 5 6 7 8 1 2 V+ V 1 2 3 4 5 6 7 8 9 DEGAUSSING COIL AC AC 1 2 1 2 AC AC CN602 CN603 1 AC INPUT NC AC INPUT LINE FILTER 2 3 CN601 GND CLAMP HS_IN VS_IN DDC_DATA DDC_CLK S_RASTER IICDATA IICCLK GND GND ACL AFC 5V VS_OUT 12 V 70 V 6.3 V GND NC G1 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 GND HS_OUT HS_IN VS_IN DDC_DA DDC_CL S_RAS SDA SCL GND GND ACL AFC 5V VS_OUT 12 V 70 V 6.3 V GND NC G1 GND VIDEO PCB CN104 NC R-OUT GND G-OUT GND B-OUT GND 6.3 V G1 CN103 CN101 SIGNAL CABLE 15" TSB CDT ONLY CN_TCO TCO + NC TCO (GND) 1 2 3 1 2 3 T
CHB7707L_XAA.0000051600.E.16.pdf13 Schematic Diagrams 13-1 SMPS Part Schematic Diagram CN603 CN602 CN606 R630 1 2 T601 R633 C610 CN_PFC SW601 R609 C619 R634 Power Line 13-1 CHB5**7L/6**7L7**7L 13 Schematic Diagrams Table 13-1. IC601 (KA2S0680) pin # MODES 800 x 600 / 85 Hz 640 x 480 / 60 Hz 1.05 GND 33.2 mV 57.0 mV 42.0 mV 10.30 GND 34.0 mV 48.0 mV 46.0 mV 1 544 V (IC601, #1) 2 544 V (IC601, #1) 1 2 3 4 5 CH1 P-P = 544 V CH1 RMS = 51.84V CH1 P-P = 544 V CH1 RMS = 51.84V Unit: Vrms CHB5**7L/6**7L/7**7L 13-2 13 Schematic Diagrams 13-2 Micom Part Schematic Diagram R249 IC201 18 SW200 Power Line Signal Line 13-3 CHB5**7L/6**7L7**7L 13 Schematic Diagrams Table 13-2. IC201 pin # pin # MODES 800 x 600 / 85 Hz 640 x 480 / 60 Hz 4.370 5.080 1.810 mV 5.080 5.085 2.450 2.123 NC 14.53 mV 13.361 16.451 mV 5.084 NC 1.85 mV 5.066 5.084 3.650 mV 52.28 mV 10.02 mV 5.039 1.629 4.706 5.079 1.970 mV 5.080 5.085 2.450 2.121 NC 13.31 13.31 13.31 5.090 NC 2.00 mV 5.067 5.085 3.540 mV 51.800 mV 8.01

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