Iiyama PLE1902S Service Manual

Iiyama PLE1902S Service Manual

19" lcd color monitor

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19" LCD Color Monitor
Service
Service
Service
Description
Table Of Contents...................................................1
Revision List..........................................................2
1. Monitor Specification...............................................3
2. LCD Monitor Description........................................4
3. Operation Instruction..................................................5
3.1. General Instructions.........................................5
3.2. Control Button....................................................5
3.3 Adjusting the Picture..........................................6
4. Input/Output Specification.......................................12
4.1. Input Signal Connector.........................................12
4.2. Factory Preset Display Modes...........................13
4.3. Panel Specification.........................................14
5. Block Diagram...........................................................16
5.1 Software Flow Chart.........................................16
5.2. Electrical Block Diagram....................................18
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC
EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

TABLE OF CONTENTS

Page
Description
6. Schematic.....................................................19
6.1 Main Board....................................................19
6.2 Power Board.................................................24
6.3 Key Board..............................................27
7. PCB Layout.....................................................28
7.1.Main Board.................................................28
7.2.Power Board..........................................30
7.3. Key Board............................................................31
8. Maintainability................................................32
8.1.Equipments and Tools Requirement......................32
8.2.Trouble Shooting.................................................33
10.Monitor Exploded View.....................................41
11.BOM List..............................................................42
12.Different Parts List..........................................56
SAFETY NOTICE
1
Iiyama PLE1902S
Horizontal Frequency
24-80 kHz
Page

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Summary of Contents for Iiyama PLE1902S

  • Page 1: Table Of Contents

    19" LCD Color Monitor Iiyama PLE1902S Service Service Service Horizontal Frequency 24-80 kHz TABLE OF CONTENTS Description Page Description Page Table Of Contents…………………………………………...1 6. Schematic……………........19 Revision List………………………………………………..2 6.1 Main Board..………........19 1. Monitor Specification......………..3 6.2 Power Board………………………………………..24 2. LCD Monitor Description……………………………..4 6.3 Key Board………………….……………………27...
  • Page 2: Revision List

    19" LCD Color Monitor Iiyama PLE1902S Revision List Version Date Revision History TPV Model Name May.-29-07 Initial release T97HMJDBHFYCDN T97HMJDBHFYDDN T97HMJDJHFY2DN T97HMJDBHFY1DN Jun.-13-2007 Add new model T97HMJDBHFY2DN T97SMJDJHFY1DN T97HMJDJHFY1DN T97HMJDBHFY3DN Jul.-31-2007 Add new model T97HMJDBHFY4DN Nov.-06-2007 Add mew model T97HMJDBHFY9DN Jan.-03-2008...
  • Page 3: Monitor Specification

    19" LCD Color Monitor Iiyama PLE1902S 1. Monitor Specification...
  • Page 4: Lcd Monitor Description

    19" LCD Color Monitor Iiyama PLE1902S 2. LCD Monitor Description The LCD Monitor will contain main board, power board, key 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 5: Operation Instruction

    19" LCD Color Monitor Iiyama PLE1902S 3. Operation Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other control buttons are located at front of the panel. By changing these settings, the picture can be adjusted to your personal performance.
  • Page 6: Adjusting The Picture

    19" LCD Color Monitor Iiyama PLE1902S 3.3 Adjust the Picture...
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  • Page 12: Input/Output Specification

    19" LCD Color Monitor Iiyama PLE1902S 4. Input/Output Specification 4.1 Input Signal Connector Signal Signal Red Video Green Video Ground Blue Video Reserved port Reserved port DDC-serial Data Detect Cable Horizontal Sync Red GND Vertical Sync Green GND DDC-serial Clock...
  • Page 13: Factory Preset Display Modes

    19" LCD Color Monitor Iiyama PLE1902S 4.2 Factory Preset Display Modes...
  • Page 14: Panel Specification

    19" LCD Color Monitor Iiyama PLE1902S 4.3. Panel Specification 4.3.1 General Feature 4.3.2 Optical Characteristics...
  • Page 15 19" LCD Color Monitor Iiyama PLE1902S 4.3.3 Electrical Characteristics TFT Module Back-light...
  • Page 16: Block Diagram

    19" LCD Color Monitor Iiyama PLE1902S 5. Block Diagram 5.1 Software Flow Chart...
  • Page 17 19" LCD Color Monitor Iiyama PLE1902S REMARK 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.
  • Page 18: Electrical Block Diagram

    19" LCD Color Monitor Iiyama PLE1902S 5.2 Electrical Block Diagram Main Board LCD Interface Crystal 14.31818MHz (CN101) (X401) EEPROM Scalar IC TSUMO5PWHJ-LF SST25VF010A (Include ADC, OSD, MCU) EPR_SDA (U402) (U401) EPR_SCL H sync CLK+ V sync CLK- EEPROM D-Sub M24C04-WMN6TP...
  • Page 19: Schematic

    19" LCD Color Monitor Iiyama PLE1902S 6. Schematic 6.1 Main Board TSUMU58J SCHEMATIC HDCP_RST HDCP_RST LVDS OUTPUT GNDR GNDR GNDG GNDG GNDB GNDB HSY NC HSY NC VCC1.8 VCC3.3 VSY NC VSY NC DDCA_SDA DDCA_SDA DDCA_SCL DDCA_SCL DDC_WP DDC_WP VCC1.8 Vcc3.3...
  • Page 20 19" LCD Color Monitor Iiyama PLE1902S FB406 +3V3 C710 100uF/25V C709 R701 0.1uF 16V 1K 1/16W CN701 R705 R706 100R 1/16W +3V3 C708 Q701 R707 Adj_BACKLIGHT 4 4K7 1/16W ON/OFF PMBS3904 PANEL_ID R709 R708 +3V3 0R05 1/16W 10K 1/16W MUTE...
  • Page 21 19" LCD Color Monitor Iiyama PLE1902S CN405 DB15 RED+ FB410 0R05 1/16W R434   1/16W C432 0.047uF RED- GREEN+ FB411 0R05 1/16W R435   1/16W C433 0.047uF GREEN- BLUE+ FB412 0R05 1/16W R436   1/16W C434 0.047uF BLUE- PC5V R437...
  • Page 22 19" LCD Color Monitor Iiyama PLE1902S AVDD_33 VDDC VDDP AVDD_18 AVDD_MEMPLL_33 VCC3.3 FB405 AVDD_MEMPLL_33 VCC3.3 FB403 VDDP VCC3.3 600 OHM 600 OHM C408 10uF/50V C416 0.1uF 16V VCC3.3 VCTRL C409 C410 C411 C412 C413 C419 C420 C461 0.1uF 16V 0.1uF 16V 0.1uF 16V...
  • Page 23 19" LCD Color Monitor Iiyama PLE1902S PA[0..9] PA[0..9] CN101 LVA3P LVA3M LVB0M RXO0- LVACKP LVB0P RXO0+ LVACKM LVB1M RXO1- LVA2P LVB1P RXO1+ LVA2M LVB2M RXO2- LVA1P LVB2P RXO2+ LVA1M LVA0P LVBCKM RXOC- LVA0M LVBCKP RXOC+ LVB3M RXO3- PB[0..9] LVB3P RXO3+ PB[0..9]...
  • Page 24: Power Board

    19" LCD Color Monitor Iiyama PLE1902S 6.2 Power Board   1/4W R918 R941 R945 R944 R946 1/4W 1/4W   1/4W       1/4W +12V   1/4W R919 L904 C912 1.1uH BD901 0.001uF ZD902   1/4W R920 RLZ13B C917 C918...
  • Page 25 19" LCD Color Monitor Iiyama PLE1902S C839 1000pF T801 R817 R821 POWER X'FMR 10K 1/10W 1K 1/10W 1% CN801 CONN R855 D805 J810   1/4W LL4148WP C819 F801 0.0022uF +12V C801 BEAD 10pF/3KV   1/4W C802 C824 R801 D801 470uF/25V Q801 0.1uF...
  • Page 26 19" LCD Color Monitor Iiyama PLE1902S C104 100uF/25V U101 TPA6021A4NE4 CN102 CN101 R104 1/10W C101 0.47uF/16V LOUT+   LIN+ LOUT+ C105 0.47uF/16V LOUT- LIN- LOUT- C106 0.47uF/16V ROUT+ RIN+ ROUT+ PHONEJACK R105   1/10W C107 0.47uF/16V ROUT- CONN RIN- ROUT-...
  • Page 27: Key Board

    (1K) 0.673V -/VOL- DOWN(1K) 0.673V +/VOL+ LBADC2 MENU (2K) 1.118V MENU (AUTO) (Power) (MENU) CONNECTOR AOC (Top Victory) Electronics Co., Ltd. (-/vol-) (+/vol+) Title KEY PAD (For IIYAMA 19W) Size Document Number G2515-E-X-X-3-070403 Date: Tuesday , April 03, 2007 Sheet...
  • Page 28: Pcb Layout

    19" LCD Color Monitor Iiyama PLE1902S 7. PCB Layout 7.1 Main Board...
  • Page 29 19" LCD Color Monitor Iiyama PLE1902S...
  • Page 30: Power Board

    19" LCD Color Monitor Iiyama PLE1902S 7.2 Power Board...
  • Page 31: Key Board

    19" LCD Color Monitor Iiyama PLE1902S 7.3 Key Board...
  • Page 32: Maintainability

    19" LCD Color Monitor Iiyama PLE1902S 8. Maintainability 8.1 Equipments and Tools Requirement 1. Multi-meter. 2. Oscilloscope. 3. Pattern Generator. 4. DDC Tool with an IBM Compatible Computer. 5. Alignment Tool. 6. LCD Color Analyzer. 7. Service Manual. 8. User Manual.
  • Page 33: Trouble Shooting

    19" LCD Color Monitor Iiyama PLE1902S 8.2 Trouble Shooting 8.2.1 Main Board No Power No power Press power key and look if the picture is normal Please reinsert and make sure the AC of 100-240 is normal Reinsert or check the...
  • Page 34 19" LCD Color Monitor Iiyama PLE1902S No Picture No picture Check the signal cable Change the signal cable Measure U703 PIN2=3.3V U701 PIN2=1.8V Replace U701, U703 Measure X401 oscillate waveform is normal Replace X401 Check HS/VS from CN405 is normal...
  • Page 35 19" LCD Color Monitor Iiyama PLE1902S White Screen White screen Measure Q707 base is low level? Check Q704 Q706 CN101 solder? Check Correspondent component. Replace PANEL...
  • Page 36 19" LCD Color Monitor Iiyama PLE1902S 8.2.2 Power Board 1) No power Check L904 = 12V Check AC line volt 110V or 220V Check AC input Check the voltage of C905 (+) Check bridge rectified circuit and F901 circuit Check start voltage for the pin3 of IC901...
  • Page 37 19" LCD Color Monitor Iiyama PLE1902S 2.) No Backlight Check F801=12V Check adapter and F801 Check ON/OFF signal Check Interface board or main board Check IC801 PIN12=10.5V Change on/off circuit Check IC801 PIN5 have triangle wave Change IC801 Check IC801 PIN9/PIN10 PWM wave...
  • Page 38 19" LCD Color Monitor Iiyama PLE1902S 8.2.3 Key Board OSD is unstable or not working Is Keypad board connecting normally? Connect Keypad Board Is Button Switch normally? Replace Button Switch Replace Keypad Board Is Keypad board normally? Check main board...
  • Page 39: White-Balance, Luminance Adjustment

    6500k color temp. parameter is x = 313 ±20, y = 329 ±20, Y = 170 ±20 cd/m 3. Enter into factory mode of PLE1902S Turn on power, press the Menu button, pull out the power cord, and then plug the power cord. Then the factory OSD will be at the left top of the panel.
  • Page 40 19" LCD Color Monitor Iiyama PLE1902S B. Adjust 7500k color-temperature 1. Switch the chroma-7120 to sRGB channel. 2. The chroma 7120 will show x = 299 ±20, y = 315 ±20, Y = 170 ±20 cd/m 3. Switch the chroma 7120 l to RGB MODE (with press “MODE” button to change) 4.
  • Page 41: Monitor Exploded View

    19" LCD Color Monitor Iiyama PLE1902S 10. Monitor Exploded View...
  • Page 42: Bom List

    AM1G1740 10 47 CR3 SCREW CBPC7HMJYZQ1 CONVERSION G2573-1-X-X-6-070531 KEPC7QA9 KEY G2515-E-X-X-3-070403 PWPC942SY1 POWER G2510-1-X-X-5-070711 Q40G0002695 1A 2MS LABEL FOR BEZEL Q40G0002695 2A 2MS LABEL FOR CARTON Q44G9067 1 Q44G9067 2 Q44G9067695 1A 19 LCD iiYAMA CARTON Q45G 88607 34 PE BAG FOR BASE...
  • Page 43 19" LCD Color Monitor Iiyama PLE1902S Q45G 88626 1 PE BAG FOR MONITOR Q52G6025 13123 mylar 070GHDCP500HDC HDCP CODE 089G 17356G553 AUDIO CABLE 1800MM Q41G9002695 3A MANUAL Q45G 76 28A33 PE BAG FOR MANUAL 040G 58162435A P/N LABEL 040G 581695 6A...
  • Page 44 19" LCD Color Monitor Iiyama PLE1902S SW002 077G 600 1GCJ TACT SWITCH TSPB-2 -NP SW003 077G 600 1GCJ TACT SWITCH TSPB-2 -NP SW004 077G 600 1GCJ TACT SWITCH TSPB-2 -NP LED001 081G 12 2 GP GP36032ME/50-ZO GND1 095G 900 77...
  • Page 45 19" LCD Color Monitor Iiyama PLE1902S 705GQ9KA 57001 Q901 ASS'Y 705GQ9KA 93001 D906 ASS"Y 705GQ9KA 93002 D905 ASS"Y Q85G0002 1 SHIELD_MAIN Q90G6295 3 HEAT SINK L904 S73G25391V1 CHOKE COIL ASS'Y L903 S73G25391V1 CHOKE COIL ASS'Y U401 056G 562168 IC TSUMO5PWHJ-LF PQFP-128...
  • Page 46 19" LCD Color Monitor Iiyama PLE1902S R411 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R418 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R420 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R427 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R428 061G0402101...
  • Page 47 19" LCD Color Monitor Iiyama PLE1902S R714 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R717 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R723 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R727 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R406 061G0402103...
  • Page 48 19" LCD Color Monitor Iiyama PLE1902S C448 065G0402104 12 CAP CHIP 0402 0.1UF 16V X7R C447 065G0402104 12 CAP CHIP 0402 0.1UF 16V X7R C446 065G0402104 12 CAP CHIP 0402 0.1UF 16V X7R C445 065G0402104 12 CAP CHIP 0402 0.1UF 16V X7R...
  • Page 49 19" LCD Color Monitor Iiyama PLE1902S C412 065G0402104 12 CAP CHIP 0402 0.1UF 16V X7R C413 065G0402104 12 CAP CHIP 0402 0.1UF 16V X7R C414 065G0402104 12 CAP CHIP 0402 0.1UF 16V X7R C415 065G0402104 12 CAP CHIP 0402 0.1UF 16V X7R...
  • Page 50 19" LCD Color Monitor Iiyama PLE1902S D403 093G 6433P BAV99 D411 093G 39S 24 T RLZ 5.6B LLDS D410 093G 39S 24 T RLZ 5.6B LLDS D401 093G 39S 24 T RLZ 5.6B LLDS D402 093G 39S 24 T RLZ 5.6B LLDS...
  • Page 51 19" LCD Color Monitor Iiyama PLE1902S Q801 057G 417 4 PMBS3904/PHILIPS-SMT(04) Q812 057G 417 6 PMBS3906/PHILIPS-SMT(06) Q804 057G 417 6 PMBS3906/PHILIPS-SMT(06) Q809 057G 759 2 RK7002 Q808 057G 760 4B PDTA144WK SOT346 Q805 057G 760 5B PDTC144WK SOT346 Q803 057G 763 14...
  • Page 52 19" LCD Color Monitor Iiyama PLE1902S R823 061G0603470 2F RST CHIPR 47 KOHM +-1% 1/10W R863 061G0603470 2F RST CHIPR 47 KOHM +-1% 1/10W R803 061G0603564 RST CHIPR 560 KOHM +-5% 1/10W R107 061G0603622 RST CHIPR 6.2 KOHM +-5% 1/10W...
  • Page 53 19" LCD Color Monitor Iiyama PLE1902S R945 061G1206102 RST CHIPR 1 KOHM +-5% 1/4W R946 061G1206102 RST CHIPR 1 KOHM +-5% 1/4W R912 061G1206221 RST CHIPR 220 OHM +-5% 1/4W R904 061G1206304 300 KOHM 1/8W R932 061G1206304 300 KOHM 1/8W...
  • Page 54 19" LCD Color Monitor Iiyama PLE1902S C924 065G0805104 32 CHIP 0.1U 50V X7R C930 065G0805104 32 CHIP 0.1U 50V X7R C907 065G0805104 32 CHIP 0.1U 50V X7R C109 065G0805105 22 CHIP 1UF 25V X7R 0805 C822 065G0805105 22 CHIP 1UF 25V X7R 0805...
  • Page 55 19" LCD Color Monitor Iiyama PLE1902S FB901 071G 55 29 FERRITE BEAD F901 084G 56 4W FUSE 4.0A 250V F903 084G 56 4W FUSE 4.0A 250V D900 093G 6026T52T RECTIFIER DIODE FR107 D901 093G 6038T52T FR103 715G2510 2 POWER BOARD PCB...
  • Page 56: Different Parts List

    19" LCD Color Monitor Iiyama PLE1902S 12. Different Parts List Diversity of T97HMJDBHFYDDN compared with T97HMJDBHFYCDN Location Part No. Description 089G179S30H 9 FFC CABLE 30P 230mm P1.0 089G410A18N IS POWER CORD WALL-OUT FOR UK Q40G 581695 1B SERIAL LABEL A33G0172 3 1C...
  • Page 57 19" LCD Color Monitor Iiyama PLE1902S C720 067G215Y2207RV RUBYCON 50V 22UF C403 067G215Y479 7N LOW ESR EC 4.7 UF 50V NC C403 067G215Y4797RV EC 105℃ CAP 4.7UF M 50V CN406 088G 35424F N DVI 24PIN CONN F GND1 095G 900 77...
  • Page 58 19" LCD Color Monitor Iiyama PLE1902S C712 067G215V100 7R LOW E.S.R 10UF +/-20% 50V C717 067G215V100 7R LOW E.S.R 10UF +/-20% 50V C464 067G215Y2207RV RUBYCON 50V 22UF C720 067G215Y2207RV RUBYCON 50V 22UF C403 067G215Y479 7N LOW ESR EC 4.7 UF 50V NC...
  • Page 59 19" LCD Color Monitor Iiyama PLE1902S AM1G1740 10120 SCREW(M4*8) C408 067G215V100 7R LOW E.S.R 10UF +/-20% 50V C418 067G215V100 7R LOW E.S.R 10UF +/-20% 50V C712 067G215V100 7R LOW E.S.R 10UF +/-20% 50V C717 067G215V100 7R LOW E.S.R 10UF +/-20% 50V...
  • Page 60 19" LCD Color Monitor Iiyama PLE1902S 089G 17356G555 AUDIO CABLE E078 078G 322 8 G SPEAKER 8 OHM 1.5W L:290 mm 43X18mm A33G0171 AI 1L KEY PAD A34G0297 ECA3B 30 BEZEL(L19A-7K3-7S1) A34G0289 EB 1B STAND A34G0290 EB 1B 33 BASE 7S7...
  • Page 61 19" LCD Color Monitor Iiyama PLE1902S Diversity of T97HMJDBHFY4DN compared with T97HMJDBHFYCDN Location Part No. Description 040G 581695 4A UK LABEL E089A 089G1748GAA12B SIGNAL CABLE E089B 089G179E30H 9 FFC CABLE 30P 210mm P1.0 089G410A18N IS POWER CORD 32E1818020 095G8014 6D 40...
  • Page 62 19" LCD Color Monitor Iiyama PLE1902S 045G 77 3 PE PACKING 052G 1150 C INSULATING TAPE 052G 1211527 ALUMINUM FOIL TAPE 052G6019 1 INSULATING TAPE 055G 23523 TIN_RE-SPILL E08902 089G1748GAB12B SIGNAL CABEL DB15-DB15 089G1748GABDVI DVI SIGNAL CABLE E08907 089G179E30H 9 FFC CABLE 30P 210mm P1.0...

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