Rosewill R910E Series Service Manual
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Rosewill R910E Series Service Manual

19” abspc monitor
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R910E Service Manual
SERVICE MANUAL
19" ABSPC Monitor
R910E Series
THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY.EVERY
REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL;
WE CANNOT GUARANTEE THE ACCURACY OFTHIS INFORMATION AFTER THE DATE OF
PUBLICATION AND DISCLAIMS RELIABILITY FOR CHANGES, ERRORS OR OMISSIONS.
Manufacture Date: Nov-09-04

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Summary of Contents for Rosewill R910E Series

  • Page 1 R910E Service Manual SERVICE MANUAL 19” ABSPC Monitor R910E Series THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY.EVERY REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE CANNOT GUARANTEE THE ACCURACY OFTHIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RELIABILITY FOR CHANGES, ERRORS OR OMISSIONS.

  • Page 2: Table Of Contents

    R910E Service Manual Table of Contents Table of Contents ------------------------------------------------------------------------------------------------------------ 02 Revision List ------------------------------------------------------------------------------------------------------------------ 04 1.Product Feature --------------------------------------------------------------------------------------------------------------05 2. LCD Monitor Description ------------------------------------------------------------------------------------------------06 3. Operation Instructions ---------------------------------------------------------------------------------------------------07 3.1 General Instructions -------------------------------------------------------------------------------------------------07 3.2 Control Button ---------------------------------------------------------------------------------------------------------07 3.2.1 Key Control ------------------------------------------------------------------------------------------------------07 3.2.2 Key Function -----------------------------------------------------------------------------------------------------07 3.3 Adjusting The Picture -----------------------------------------------------------------------------------------------08 4.
  • Page 3 R910E Service Manual 5.2.1 Scalar Board Diagram -------------------------------------------------------------------------------------------------17 5.2.2 Inverter Board Diagram ------------------------------------------------------------------------------------------------18 6.Schematic-----------------------------------------------------------------------------------------------------------------------------19 6.1 Scalar Board --------- -------------------------------------------------------------------------------------------------------19 6.2 Inverter Board ----------------------------------------------------------------------------------------------------------------27 7. Maintainability -------- -------------------------------------------------------------------------------------------------------------28 7.1 Equipments and Tools Requirements ---------------------------------------------------------------------------------28 7.2 Trouble Shooting -----------------------------------------------------------------------------------------------------------29 7.2.1 Main Board -------------------------------------------------------------------------------------------------------------29 7.2.2 Key Pad Board ----------------------------------------------------------------------------------------------------------31 7.2.3 Inverter Board...

  • Page 4: Revision List

    R910E Service Manual Revision List Revision Date Change Description Nov-09-04...

  • Page 5: Product Feature

    R910E Service Manual 1. PRODUCT FEATURE Driving system TFT Color LCD Size 48cm(19.0") LCD Panel Pixel pitch 0.294mm(H) x 0.294mm(V) Viewable angle 170° (H) 170° (V) Response time 25 ms (Typical) R,G,B Analog Interface Video Digital Interface Separate Sync H/V TTL Input H-Frequency 24KHz –...

  • Page 6: Lcd Monitor Description

    R910E Service Manual 2. LCD MONITOR DESCRIPTION The LCD MONITOR will contain a main board, an inverter/power board, an audio board and a keypad board which house the flat panel control logic, brightness control logic and DDC. The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage.

  • Page 7: Operation Instructions

    R910E Service Manual 3. OPERATING INSTRUCTIONS 3.1 GENERAL INSTRUCTIONS Press the power button to turn the monitor on or off. The other control buttons are located at front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. The power cord should be connected.

  • Page 8: Adjusting The Picture

    R910E Service Manual 3.3 ADJUSTING THE PICTURE 1. Press the MENU-button to activate the OSD window. See figure 5. 2. Press to select the desired function. See figure 5. 3. Press the MENU-button again to activate the highlighted function. 4. Press to adjust the selected function.
  • Page 9 R910E Service Manual The descriptions for function control LEDS Contrast Adjust the picture contrast. Brightness Adjust the picture brightness. Input Selected Input Signal source selected (select Analog or Digital input source) Focus Adjust picture Focus (available in Analog mode only). Clock Adjust picture Clock (available in Analog mode only).

  • Page 10: Input/Output Specification

    R910E Service Manual 4. INPUT/OUTPUT SPECFICATION 4.1 ANALOG INPUT SIGNAL CONNECTOR PIN NO. DESCRIPTION PI N NO. DESCRIPTION Green Detect Cable Blue Ground DDC-Serial Data Ground H-Sync R-Ground V-Sync G-Ground DDC-Serial Clock B-Ground VGA Connector layout 4.2 DVI INPUT SIGNAL CONNECTOR Meaning Meaning Meaning...

  • Page 11: Factory Preset Display Modes

    R910E Service Manual 4.3 FACTORY PRESET DISPLAY MODES HORIZONTAL VERTICAL STANDARD RESOLUTION FREQUENCY FREQUENCY 640 × 350 31.47kHz 70.0Hz Dos-mode 640 x 400 31.47kHz 70.0Hz 720 x 400 31.47kHz 70.0Hz 640 × 480 31.47kHz 60.0Hz 640 × 480 35.00kHz 66.6Hz 640 ×...

  • Page 12: Panel Specification

    R910E Service Manual 4.4 PANEL SPECIFICATION 4.4.1 Panel Feature • 48cm (19”) TFT Color LCD Monitor • High-speed response • Recommended SXGA Resolutions: 1280 X 1024 @60Hz • EPA ENERGY STAR® • Dual Input (DVI + Analog) • Space Saving, Compact Case Design •...

  • Page 13: Optical Characteristics

    R910E Service Manual 4.4.3 Optical Characteristics The optical characteristics are measured under stable conditions at 25℃(Room Temperature)：...

  • Page 14: Tft Module

    R910E Service Manual 4.4.4 TFT Module 4.4.5 Backlight Unit The backlight system is an edge-lighting type with 2 dual CCFTs (Cold Cathode Fluorescent Tube), the characteristics of two dual lamps are shown in the following table.

  • Page 15: Block Diagram

    R910E Service Manual 5. BLOCK DIAGRA 5.1 SOFTWARE FLOW CHAR...
  • Page 16 R910E Service Manual 1) MCU initialize. 2) Is the eeprom blank? 3) Program the eeprom by default values. 4) Get the PWM value of brightness from eeprom. 5) Is the power key pressed? 6) Clear all global flags. 7) Are the AUTO and SELECT keys pressed? 8) Enter factory mode.

  • Page 17: Electrical Block Diagram

    R910E Service Manual 5.2 ELECTRICAL BLOCK DIAGRAM 5.2.1 SCALAR BOARD BLOCK DIAGRAM LCD Interface SCALAR GM5020 (U600) U502 (Include: ACD, OSD) EEPROM Keyboard 24LC16 D-Sub Connector Connector Crystal (X600) EEPROM EEPROM 24MHZ 24LC21A AT24C02N...

  • Page 18: Inverter Board Diagram

    R910E Service Manual 5.2.2 INVERTER/POWER BOARD BLOCK DIAGRAM Inverter Block Diagram...

  • Page 19: Schematic

    R910E Service Manual 6. Schematic 6.1 Main board VGA_5V AVDD_3.3 D302 4.MCU BAV70 SOT23B D310 D311 D312 BAV99 BAV99 BAV99 /V_CON (R323---U502.24) SHEET 4.MCU AGND AGND AGND SHEET 4.MCU 5.Gm5020 R302 100R C301 0.01uF C308 R321 R322 VGA_5V RED+ SHEET 5.Gm5020 0.1uF R303 100R...
  • Page 20 R910E Service Manual +A5V 5.Gm5020 L502 HDATAF[0..3](U502.26,27,28,29---U601.R2,R1,P4,P3) CHOKE C509 C511 C512 HCLK (U502.30---U601.P1) C510 0.1UF 0.1UF 100uF 470uF/16V HFS (U502.31---U601.P2) /IRQ (U502.14---U601.R3) RP503 RP502 RESET_FW (U502.25---R906) 10K(8P4R) C501 C502 10K(8P4R) PWM0 (U601.N1---R527) 22uF 0.1uF PWM1 (U601.M4---R528) RP501 D501 HDATAF[0..3] SHEET 5.Gm5020 C505 HDATAF3 3.Input Connectors...
  • Page 21 R910E Service Manual +A5V 5.Gm5020 L502 HDATAF[0..3](U502.26,27,28,29---U601.R2,R1,P4,P3) CHOKE C509 C511 C512 HCLK (U502.30---U601.P1) C510 0.1UF 0.1UF 100uF 470uF/16V HFS (U502.31---U601.P2) /IRQ (U502.14---U601.R3) RP503 RP502 RESET_FW (U502.25---R906) 10K(8P4R) C501 C502 10K(8P4R) PWM0 (U601.N1---R527) 22uF 0.1uF PWM1 (U601.M4---R528) RP501 D501 HDATAF[0..3] SHEET 5.Gm5020 C505 HDATAF3 3.Input Connectors...
  • Page 23 R910E Service Manual 5.Gm5020 L3.3V DARED[0..7] (U601---U201) DAGRN[0..7] (U601---U201) DABLU[0..7] (U601---U201) A1= EVEN B1=ODD DBRED[0..7] (U601---U201) C204 C205 C206 C203 DBGRN[0..7] (U601---U201) 0.1uF 0.1uF 0.1uF EVEN 0.1uF DBBLU[0..7] (U601---U201) U201 DCLK (U601.G20---U201.31,U202.31) DS90CF383MTD TSSOP56 DHS (U601.F20---U201.27,U202.27) SHEET 5.Gm5020 DARED[0..7] PWRDWN DARED0 DVS (U601.F19---U201.28,U202.28) TXIN0...
  • Page 25 R910E Service Manual 5.Gm5020 L3.3V DARED[0..7] (U601---U201) DAGRN[0..7] (U601---U201) DABLU[0..7] (U601---U201) A1= EVEN B1=ODD DBRED[0..7] (U601---U201) C203 C204 C205 C206 DBGRN[0..7] (U601---U201) EVEN 0.1uF 0.1uF 0.1uF 0.1uF DBBLU[0..7] (U601---U201) U201 DCLK (U601.G20---U201.31,U202.31) DS90CF383MTD TSSOP56 DHS (U601.F20---U201.27,U202.27) SHEET 5.Gm5020 DARED[0..7] PWRDWN DARED0 DVS (U601.F19---U201.28,U202.28) TXIN0...
  • Page 26 R910E Service Manual +12V U901 U902 CN901 LP901 AVDD_2.5 POWER SI-8050SD RT9164-25CG L902 +12V_IN L901 Vout 73L253-127-L C902 C903 C909 C910 C911 C908 C901 C904 C905 C906 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 100uF/16V 100uF/16V INDUTOR-P 330uF/35V 330uF/35V 330uF/35V 0.1uF/16V D901 SMB340 R901 C907 0R(NC)

  • Page 27: Inverter Board

    R910E Service Manual 6.2 Inverter 150uH 3A/32V SI4431 3.9K 3.9K 150uF 150uF .1uF 22pF/3KV SST3904 SR24 SM02B-BHSS 2SC4762 184/250V DTA144WKA 22pF/3KV 1uF/25V SM02B-BHSS ON/OFF SST3906 2SC4762 470R EPC19 1K(1206) DTC144WKA 105/16V BAV99 33L8009 12EH RLS4148 3.9K 105/50V 4.7K 105/50V 474/25V SI4431 BA9741 104/16V...

  • Page 28: Maintainability

    R910E Service Manual 7. MAINTAINABILITY 7.1 EQUIREMENT AND TOOLS REQUIREMENT 1、Voltmeter. 5、Alignment Tool. 2.、Oscilloscope. 6、LCD Color Analyzer. 3、Pattern Generator. 7、Service Manual. 4、DDC Tool with a Compatible Computer. 8、User Manual.

  • Page 29: Trouble Shooting

    R910E Service Manual 7.2 TROUBLE SHOOTING 7.2.1 MAIN BOARD 1.NO SCREEN APPEAR No picture The button if under control Check X501 oscillate Correspondent waveform is normal component. Measure U902/U905 Replace U502 PIN2=2.5V U903/U904 PIN2=3.3V Check Correspondent component X600 oscillate waveform is normal Check Correspondent component.
  • Page 30 R910E Service Manual 2. PANEL POWER CIRCUIT 1.Measure U902/U905 PIN2=2.5V Check R201 should have response U903/U904 PIN2=3.3V from 3.3V to 0V when we switch the 2. X600 oscillate waveform is normal power switch from on to off 3. HS/VS input signals are normal Check Correspondent Replace U600 Measure U203 Gate is low level?

  • Page 31: Keypad Board

    R910E Service Manual 4. DATA OUTPUT Measured DCLK (PIN G20 from U600) Replace GM5020 (U600) or DVS, DHS (PIN F20, F19 from U600) replace Main board. DEN (PIN F18 from U600) Are the waveforms ok? Check GM5020 (U600) If Main Board being replace, please Signal output do the DDC content reprogrammed Are the waveforms ok?

  • Page 32: Inverter Board

    R910E Service Manual 7.2.3 POWER/INVERTER BOARD No Backlight Check CN1 pin12 =12V Check adapter or MB Check ON/OFF signal Check Interface board Check IC1 pin9=12V Change Q201 or Q202 Check the pin10/PIN7 of IC1 have saw tooth wave Change U201 Check D201(-), D202(-) has the output of square wave at short time.

  • Page 33: White-Balance, Luminance Adjustment

    R910E Service Manual 8. WHITE- BALANCE, LUMINANCE ADJUSTMENT Approximately 30 minutes should be allowed for warm up before proceeding White-Balance adjustment. 1.How to do the Chroma-7120 MEM. channel setting A、Reference to chroma 7120 user guide B、Use “ SC” key and “ NEXT” key to modify xyY value and use “ID” key to modify the TEXT description Following is the procedure to do white-balance adjust 2.Setting the color temp.
  • Page 34 R910E Service Manual B、Adjust C1 (6500) color-temperature 1、 Switch the chroma-7120 to RGB-Mode (with press “MODE” button ) 2、 Switch the MEM .channel to Channel 4( with up or down arrow on chroma 7120 ) 3、 The LCD-indicator on chroma 7120 will show x = 313 ±10, y = 329 ±10, Y = 200 ±10 cd/m 4、...

  • Page 35: Bom List

    R910E Service Manual 9. BOM LIST T990KSANKAAZA Location TPV NO. Description Quantity Unit ADPC1260AE LCD ADAPTER BOARD ASS'Y AUPC991A2 LCD AUDIO BOARD FOR T99 CBPC990KSAAP CONVERSION BOARD FOR T9 INPC9425A3 DC TOAC INV OF SAMSUNG KEPC991KA1 KEY BOARD 15L5790 1 MAIN FRAME 9SAMSUNG 15L5791 1 VESA BRACKET...
  • Page 36 R910E Service Manual M1L 330 6128 SCREW M1L1740 12128 SCREW Q1L 930 16120 SCREW(3X16) 750LLS90 E1 1 SAMSUNG 19" PANEL ADPC1260ASMT LCD ADAPTER ASS'Y FOR S 33L6007 1 LENS 1.01 40L 154501 1 HI-POT GND LABEL FOR MO 40L 581700 6A LABEL 1.04 40L500B615 1B...
  • Page 37 R910E Service Manual W33L6046 B T COVER 1.01 705L 990 57 01 Q901 ASS'Y ADPC1260AAI LCD ADAPTER ASS'Y FOR A IC902 56L 192 10 LM358D IC901 56L 379 33 SG6841S Q903 57L 417 4 PMBS3904/PHILIPS-SMT(04 Q902 57L 417 6 PMBS3906/PHILIPS-SMT(06 R926 61L0805102 CHIPR 1K OHM +-5% 1/8W...
  • Page 38 R910E Service Manual C909 65L0805104 22 0.1UF +-10% 25V X7R 080 C914 65L0805104 22 0.1UF +-10% 25V X7R 080 C921 65L0805104 22 0.1UF +-10% 25V X7R 080 C917 65L0805105 12 1UF +-10% 16V X7R C916 65L0805221 21 CHIP 220PF 25V NPO C907 65L0805474 27 CHIP 0.47UF 25V Y5V...
  • Page 39 R910E Service Manual 67L 309470 4T 47UF +-20% 25V 67L 309471 3T 470UF +-20% 16V 61L0805000 CHIP O OHM 1/8W 61L0805102 CHIPR 1K OHM +-5% 1/8W 61L0805102 CHIPR 1K OHM +-5% 1/8W 61L0805103 CHIPR 10K OHM +-5% 1/8W 61L0805103 CHIPR 10K OHM +-5% 1/8W 61L0805103 CHIPR 10K OHM +-5% 1/8W 61L0805152...
  • Page 40 R910E Service Manual L502 73L 259 4 200UH +/-5% CN901 88L 3041CE DC JACK CN301 88L 35315FHAS D-SUB 15PIN CN302 88L 35424F HS DVID CONN 24P X501 93L 22 45 J 24MHZ/30PF/49US X600 93L 22 45 J 24MHZ/30PF/49US CN503 95L8014 6 9 HARNESS U501 56L1133 56...
  • Page 41 R910E Service Manual JP802 61L0603000 CHIPR 0OHM +-5% 1/10W JP804 61L0603000 CHIPR 0OHM +-5% 1/10W JP806 61L0603000 CHIPR 0OHM +-5% 1/10W JP808 61L0603000 CHIPR 0OHM +-5% 1/10W JP810 61L0603000 CHIPR 0OHM +-5% 1/10W JP812 61L0603000 CHIPR 0OHM +-5% 1/10W JP814 61L0603000 CHIPR 0OHM +-5% 1/10W JP818...
  • Page 42 R910E Service Manual JP809 61L0603103 CHIPR 10K OHM +-5% 1/10 JP815 61L0603103 CHIPR 10K OHM +-5% 1/10 JP817 61L0603103 CHIPR 10K OHM +-5% 1/10 JP819 61L0603103 CHIPR 10K OHM +-5% 1/10 JP821 61L0603103 CHIPR 10K OHM +-5% 1/10 JP825 61L0603103 CHIPR 10K OHM +-5% 1/10 JP827 61L0603103...
  • Page 43 R910E Service Manual R318 61L0603511 CHIPR 510 OHM+-5% 1/10W R522 61L0603621 CHIPR 620 OHM+-5% 1/10W R308 61L0603750 CHIPR 75 OHM+-5% 1/10W R309 61L0603750 CHIPR 75 OHM+-5% 1/10W R310 61L0603750 CHIPR 75 OHM+-5% 1/10W R801 61L0603750 CHIPR 75 OHM+-5% 1/10W C312 65L0603101 32 100PF +-10% 50V X7R C313...
  • Page 44 R910E Service Manual C927 65L0603102 32 1000PF +-10% 50V X7R C928 65L0603102 32 1000PF +-10% 50V X7R C929 65L0603102 32 1000PF +-10% 50V X7R C930 65L0603102 32 1000PF +-10% 50V X7R C931 65L0603102 32 1000PF +-10% 50V X7R C301 65L0603103 32 0.01UF+-10% 50V X7R C302 65L0603103 32...
  • Page 45 R910E Service Manual C618 65L0603104 12 0.1UF +-10% 16V X7R C621 65L0603104 12 0.1UF +-10% 16V X7R C622 65L0603104 12 0.1UF +-10% 16V X7R C623 65L0603104 12 0.1UF +-10% 16V X7R C624 65L0603104 12 0.1UF +-10% 16V X7R C625 65L0603104 12 0.1UF +-10% 16V X7R C626 65L0603104 12...
  • Page 46 R910E Service Manual C664 65L0603104 12 0.1UF +-10% 16V X7R C665 65L0603104 12 0.1UF +-10% 16V X7R C802 65L0603104 12 0.1UF +-10% 16V X7R C803 65L0603104 12 0.1UF +-10% 16V X7R C804 65L0603104 12 0.1UF +-10% 16V X7R C805 65L0603104 12 0.1UF +-10% 16V X7R C806 65L0603104 12...
  • Page 47 R910E Service Manual C214 67L 312220 3 SMD 22UF +-20% 16V C217 67L 312220 3 SMD 22UF +-20% 16V C501 67L 312220 3 SMD 22UF +-20% 16V C505 67L 312220 3 SMD 22UF +-20% 16V C508 67L 312220 3 SMD 22UF +-20% 16V C619 67L 312220 3 SMD 22UF +-20% 16V...
  • Page 48 R910E Service Manual 73G 253138 L1 CHOKE COIL 73G 253138 L1 CHOKE COIL INPC9425A3SMT DC TOAC INV OF SAMSUNG CON1 33L800912G H 2*6 PIN DUAL ROW RIGHT CON2 33L8021 2D AC CONN.2P R/A 87210-0236 CON3 33L8021 2D AC CONN.2P R/A 87210-0236 CON4 33L8021 2D AC CONN.2P R/A 87210-0236...
  • Page 49 R910E Service Manual 61L0603153 CHIPR 15KOHM+-5% 1/10W 61L0603153 CHIPR 15KOHM+-5% 1/10W 61L0603183 CHIP 18K OHM 1/10W 61L0603183 CHIP 18K OHM 1/10W 61L0603221 CHIPR 220 OHM+-5% 1/10W 61L0603221 CHIPR 220 OHM+-5% 1/10W 61L0603392 CHIP 3.9K OHM 1/10W 61L0603392 CHIP 3.9K OHM 1/10W 61L0603392 CHIP 3.9K OHM 1/10W 61L0603392...
  • Page 50 R910E Service Manual 65L0603105 17 1UF 16V Y5V 65L0603105 17 1UF 16V Y5V 65L0603105 17 1UF 16V Y5V 65L0603105 17 1UF 16V Y5V 65L0805102 32 CHIP 1000P 50VX7R 0805 65L0805104 32 CHIP 0.1UF 50V X7R 67L 312229 7 SMD 2.2UF +-20% 50V 93L 6432V LL4148-GS08 93L 6432V...
  • Page 51 R910E Service Manual...

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