Iiyama PLE385 Service Manual
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Iiyama PLE385 Service Manual

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PLE385 Iiyama
SERVICE MANUAL
PLE385 Monitor
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 DATA ：MAR-11-2004
Page 1 of 50

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Summary of Contents for Iiyama PLE385

  • Page 1 PLE385 Iiyama SERVICE MANUAL PLE385 Monitor 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

    PLE385 Iiyama Table of Contents Table of Contents --------------------------------------------------------------------------------- 02 Revision List --------------------------------------------------------------------------------------- 04 1. Monitor Specification ------------------------------------------------------------------------- 04 2. LCD Monitor Description ---------------------------------------------------------------------05 3. Operation Instructions --------------------------------------------------------------------- 06 3.1 General Instructions ----------------------------------------------------------------------06 3.2 Control Button ----------------------------------------------------------------------------- 06 3.3 Adjusting The Picture --------------------------------------------------------------------- 4.
  • Page 3 PLE385 Iiyama 5.3.1 Scalar Board -------------------------------------------------------------------------16 5.3.2 Inverter Board ----------------------------------------------------------------------16 5.3.3 Adapter Board --------------------------------------------------------------------17 6. Schematic ---------------------------------------------------------------------------------------18 6.1 Main Board ---------------------------------------------------------------------------------18 6.2 Inverter Board -----------------------------------------------------------------------------22 6.3 Adapter ------------------------------------------------------------------------------------23 6.4 Key Pad Board ----------------------------------------------------------------------------23 7. PCB Layout -------------------------------------------------------------------------------------24 7.1 Main Board ---------------------------------------------------------------------------------24 7.2 Inverter Board -----------------------------------------------------------------------------25...

  • Page 4: Revision List

    PLE385 Iiyama Revision List Revision Date Change Description 1. MONITOR SPECIFICATIONS MACHANICAL CHARACTERISTICS Ta=25ºC ITEM SPECIFICATION UNIT LCD module size 331.6(W)×254.75(H)×13.55(T) Resolution 1024×RGB(W)×768(H) pixel Sub pixel pitch 0.099(W)×0.297(H) Pixel pitch 0.297(W)×0.297(H) Active viewing area 304.1(W)×228.1(H) Bezel opening area 307.2(W)×231.1(H) Weight...

  • Page 5: Lcd Monitor Description

    PLE385 Iiyama ENVIRONMENTAL ABSOLUTE MAXIMUM RATINGS Ta=25ºC ITEM STMBOL CONDITIONS MAX UNIT NOTE Ambient Storage ºC Note 1 temperature Operation No Condensation Humidity Ta=40ºC max – – Note 2 Vibration Storage Note 3 – – Shock Storage – – 11ms/direction [Note 1] Care should be taken so that the LCD module may not be subjected to the temperature beyond this specification.

  • Page 6: Operation Instructions

    PLE385 Iiyama 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.
  • Page 7 PLE385 Iiyama OSD TABLE: Contrast Adjust the picture contrast. Brightness Adjust the picture brightness. Focus Adjust picture Focus. Clock Adjust picture Clock. H-Position Adjust the horizontal position of the picture. V-Position Adjust the vertical position of the picture. Language Multi-Language selection Adjusts Red intensity.

  • Page 8: Input/Output Specification

    PLE385 Iiyama 4.INPUT/OUTPUT SPECIFICATION 4.1 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 FACTORY PRESET DISPLAY MODE VESA MODES...

  • Page 9: Power Supply Requirements

    PLE385 Iiyama IBM MODES Horizontal Vertical Nominal Nominal Nominal Sync Sync Mode Resolution Total Frequency Freq. Pixel/Clock Polarity Polarity +/- 0.5kHz +/- 1 Hz (MHz) 720x400@70Hz 900 x 449 31.469 70.087 28.322 640x350@70Hz 800 x 449 31.469 70.087 25.175 MAC MODES...

  • Page 10: Panel Specification (Hs X84

    PLE385 Iiyama The recovery from Off-state requires no manual power on. Mode H-Sync V-Sync. Video Pw-cons. Indicator Rec. time Power-On active < 35 w Green LED Power-off blanked < 3w Orange LED < 5s blanked < 3W Orange LED < 5s blanked <...

  • Page 11: Back-Light Unit

    PLE385 Iiyama 4.4.2 OPTICAL CHARACTERISTICS The optical characteristics are measured under stable conditions at 25℃(Room Temperature)： 4.4.3 Back-light Unit Page 11 of 50...

  • Page 12: Block Diagram

    PLE385 Iiyama 5. BLOCK DIAGRAM 5.1 MONITOR EXPLODED VIEW Page 12 of 50...

  • Page 13: Software Flow Chart

    PLE385 Iiyama 5.2 SOFTWARE FLOW CHART Main( ) Disable All Interrupt Initialize Mascot chip and other Chips on application board such As Video chip Enable All Interrupt Mode changed Sync-Isr Interrupt Service routine If Sync Flag = 1 Sync Process...
  • Page 14 PLE385 Iiyama Auto Tune Tune H. Position Tune V. Position Tune Pitch Tune Phase Tune H. Position V. Position Return Page 14 of 50...
  • Page 15 Sync Process ( ) PLE385 Iiyama Vsync or Hsync overflow ? Display the message of “No signal” and “Go to sleep” Sync changed ready ? Enter Power saving Enable sync interrupt Sync out of range ? Exit power saving status...

  • Page 16: Electrical Block Diagram

    PLE385 Iiyama 5.3 ELECTRICAL BLOCK DIAGRAM 5.3.1 SCALAR BOARD BLOCK DIAGRAM 5.3.2 INVERTER BOARD BLOCK DIAGRAM Page 16 of 50...

  • Page 17: Adapter Board

    PLE385 Iiyama 5.3.3 ADAPTER BOARD BLOCK DIAGRAM Page 17 of 50...

  • Page 18: Schematic

    PLE385 Iiyama 6 SCHEMATIC 6.1 MAIN BOARD K/E SELECT CONN P WR 2-H PWM 00 PWM 11 8XC51/PLCC T2/P1.0 P2.0/A8 V_UP V BLCT RL T2EX/P1.1 P2.1/A9 4.7K V_DOWN V DDCT RL P1.2 P2.2/A10 M UT E_O UT T_UP P1.3 P2.3/A11...
  • Page 19 PLE385 Iiyama V DD 2,5 ,6 C7 4 0 .0 01 uF 08/05 08/05 B A V9 9 30OHM 80OHM RE D C7 5 0 .0 1u F RE D+ R6 9 08/23 08/23 　 1/16W B A V9 9...
  • Page 20 PLE385 Iiyama 12 V 08/05 V CC SI-80 5 0S D FB 1 　 1/8W 1,3 ,6 ,7 +VIN VOUT C1 0 0 .1 uF/16 V 　 1 /16 W BE AD 0 .1 uF 0.047uF 1 00 uF/1 6V...
  • Page 21 PLE385 Iiyama 1 ,3 ,5 ,6 V CC V DDA R9 9 4 .7K V1 (1 8V ) Q 15 V G H R10 0 IRLM L 64 02 V 4(-6) 33 0 3.6V V2 (9 V) R1 01 R10 2...

  • Page 22: Inverter Board

    PLE385 Iiyama 6.2 INVERTER BOARD 150uH SI4431 3.9K 3.9K CON2 150uF 150uF .1uF 22pF/3KV SR24 SST3904 2SC5706 CON3 184/250V DTA144WKA CON1 22pF/3KV 1uF/25V ON/OFF SST3906 73L174-35-YS 2SC5706 470R EPC19 1K(1206) DTC144WKA 33L8009-5N-H 105/16V BAV99 RLS4148 105/50V 4.7K 474/25V 105/50V SI4431...

  • Page 23: Adapter

    PLE385 Iiyama 6.3 ADAPTER ADPC12350AD 84L53-1 2A,250V F901 R931 R932 C920 R933 LED1 680PF,500V NR901 2A/250V (1206) (1206) R901 BD901 T901 (1206) 61L58-080-WT C902 93L50-460-8 2KBP06M 80l600-3-L 81L2-3-2 8 ohm 1000 (1206) L902 L901 73L253-91-L D911 C901 73L174-26-T -12V CN901 0.33UF,275VAC...

  • Page 24: Pcb Layout

    PLE385 Iiyama 7 PCB LAYOUT 7.1 MAIN BORAD 715L1070-D Page 24 of 50...

  • Page 25: Inverter Board

    PLE385 Iiyama 7.2 INVERTER/POWER BOARD 715L901-2-5 7.3 KEYPAD BOARD 715L879-1A-A Page 25 of 50...

  • Page 26: Maintainability

    PLE385 Iiyama MAINTAINBILITY 8.1 EQUIPMENTS AND TOOLS REQUIREMENTS 1、 Voltmeter. 2、 Oscilloscope. 3、 Pattern Generator. 4、 DDC Tool with a IBM Compatible Computer. 5、 Alignment Tool. 6、 LCD Color Analyzer. 7、 Service Manual. 8、 User Manual. Page 26 of 50...

  • Page 27: Trouble Shooting

    PLE385 Iiyama 8.2 TROUBLE SHOOTING 8.2.1MAIN BOARD 1. NO SCREEN APPEAR Page 27 of 50...
  • Page 28 PLE385 Iiyama 2.PANEL-POWER CIRCUIT Check R98 should have response from 12V to 0V Check the PPWR panel power relative circuit, Q12.Q13 When we switch the power switch from on to off In normal operation, when LED =green, R98 should =12 v,...
  • Page 29 PLE385 Iiyama 4.U6-DATA OUTPUT Page 29 of 50...

  • Page 30: Power/Inverter Board

    PLE385 Iiyama 8.2.2 POWER/INVERTER BOARD (INPC5216A2D) 1) W / LED , No Backlight Check CON1 Pin1 =12V Check adapter or MB Check ON/OFF signal Check Interface board Check IC1 pin2=12V Change Q1 or Q2 Check U1 Pin1 have the output of square wave at short time Change U1 Check D1(-),D2(-) have the output of square wave at short time.

  • Page 31: Keypad Board

    PLE385 Iiyama 8.2.3 KEYPAD BOARD OSD is unstable or not working Connect Key Pad Board Is Key Pad Board connecting normally ? Replace Button Switch Is Button Switch normally ? Replace Key Pad Board Is Key Pad board normally ?

  • Page 32: White-Balance, Luminance Adjustment

    B、MEM. CHANNEL 4(6500 color): 6500 color temp. parameter is x=313±20, y=329±20, Y=230±30 cd/m 3、Into factory mode of PLE385 A 、Press MENU button during 2 seconds along with press power button will activate the factory mode, then MCU will do AUTO LEVEL automatically. Meanwhile press MENU the OSD screen will located at LEFT TOP OF PANEL 4、Bias adjustment :...

  • Page 33: Edid Content

    PLE385 Iiyama 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 ±20, y = 329 ±20, Y = 230 ±30 cd/m...

  • Page 34: Bom List

    PLE385 Iiyama BOM LIST T562KHRHJYY1N ADPC12350BP LCD ADAPTER 1 PCS CBPC562KHRY2 CONVERSION BOARD T562K* 1 PCS CNPC560A2 CONVERSION BOARDT562/4K 1 PCS INPC5216A2D LCD INVERTER BOARD 1 PCS KEPC562KY6 KEY BOARD FOR T562K*IIY 1 PCS 1 L 7 WOODEN PALLET 0.0067 PCS...
  • Page 35 PLE385 Iiyama 1186 SMALL TAPE 8 CM 1207 A ALUMINIUM TAPE 2 PCS 55L 23523 10 ML 正已烷 71L 100 23 2 PCS 磁环 85L6051 3 SHIELD CASE 1 PCS 89L1738GAB37A SIGNAL CABLE 1 PCS 89L176J 40 1 FPC CABLE...
  • Page 36 PLE385 Iiyama C921 67L 215102 3H 1000UF +-20% 16V 1 PCS C922 67L 215102 3H 1000UF +-20% 16V 1 PCS C921 67L 215102 3K 1000UF +-20% 16V 0 PCS C922 67L 215102 3K 1000UF +-20% 16V 0 PCS C906 67L 305220 7T...
  • Page 37 PLE385 Iiyama W33L4477 D T TOP COVER 1.01 PCS W33L4478 D T BOTTOM COVER 1.01 PCS ----- ------------------------- ----------------------- --------- ----- PAREN T NO : ADPC12400BAI LCD ADAPTER ASS'Y FOR I ----- ------------------------- ----------------------- --------- ----- L901 6L 31502 1.5MM RIVET...
  • Page 38 PLE385 Iiyama R915 61L0805101 CHIPR 100 OHM +-5% 1/8W 1 PCS R935 61L0805102 CHIPR 1K OHM +-5% 1/8W 1 PCS R927 61L0805103 CHIPR 10K OHM +-5% 1/8W 1 PCS R913 61L0805104 CHIPR 100K OHM+-5% 1/8W 1 PCS R939 61L0805104 CHIPR 100K OHM+-5% 1/8W...
  • Page 39 PLE385 Iiyama C912 65L0805105 12 1UF +-10% 16V X7R 1 PCS C917 65L0805221 31 220PF 50V NPO 1 PCS C930 65L0805334 27 0.33UF 1/5V 1 PCS C926 65L0805474 27 CHIP 0.47UF 25V Y5V 1 PCS C910 65L1206102 31 1000PF +-5% 50V NPO 120...
  • Page 40 PLE385 Iiyama PAREN T NO : 705L 560 61 03 R930 ASS'Y ----- ------------------------- ----------------------- --------- ----- R930 61L 2J47859B WIRE WOUND 0.47 OHM ZW 1 PCS 96L 29 6 SHRINK TUBE UL/CSA 1 PCS ----- ------------------------- ----------------------- --------- -----...
  • Page 41 PLE385 Iiyama 56L 562 22 MASCOT VII 1 PCS 56L 563 7 AIC1084-33CM 0 PCS 56L 563 11 SI-8050SD 0 PCS 56L 563 20 AP1501-50 1 PCS 56L 563 21 AP1084K33 1 PCS 56L 585 4 AIC1117-33CY 0 PCS 56L 585 4A...
  • Page 42 PLE385 Iiyama 61L0603101 CHIPR 100 OHM +-5% 1/10 1 PCS 61L0603101 CHIPR 100 OHM +-5% 1/10 1 PCS 61L0603101 CHIPR 100 OHM +-5% 1/10 1 PCS 61L0603101 CHIPR 100 OHM +-5% 1/10 1 PCS 61L0603101 CHIPR 100 OHM +-5% 1/10...
  • Page 43 PLE385 Iiyama 61L0603472 CHIPR 4.7K OHM +-5% 1/1 1 PCS 61L0603472 CHIPR 4.7K OHM +-5% 1/1 1 PCS 61L0603472 CHIPR 4.7K OHM +-5% 1/1 1 PCS 61L0603472 CHIPR 4.7K OHM +-5% 1/1 1 PCS 61L0603472 CHIPR 4.7K OHM +-5% 1/1...
  • Page 44 PLE385 Iiyama 65L0603104 32 CHIP 0.1UF 50V X7R 1 PCS 65L0603104 32 CHIP 0.1UF 50V X7R 1 PCS 65L0603104 32 CHIP 0.1UF 50V X7R 1 PCS 65L0603104 32 CHIP 0.1UF 50V X7R 1 PCS 65L0603104 32 CHIP 0.1UF 50V X7R...
  • Page 45 PLE385 Iiyama 65L0805105 22 CHIP 1UF 25V X7R 0805 1 PCS 65L602K220 8T IRRAY CAP 22PF +-10% 16 1 PCS CP10 65L602K220 8T IRRAY CAP 22PF +-10% 16 1 PCS CP11 65L602K220 8T IRRAY CAP 22PF +-10% 16 1 PCS...
  • Page 46 PLE385 Iiyama 71L 56A121 8M CHIP BEAD 0 PCS 71L 56A121 8M CHIP BEAD 0 PCS RP10 71L 56A121 8T CHIP BEAD ARRAY 120 OHM 1 PCS RP11 71L 56A121 8T CHIP BEAD ARRAY 120 OHM 1 PCS RP12 71L 56A121 8T...
  • Page 47 PLE385 Iiyama 93L 60211 SMB340 BY FULL POWER 1 PCS 93L 60222 BAT54CFILM(D87) 1 PCS 93L 60225 SK34B 0 PCS 93L 60230 BAT54C(L43) 0 PCS 93L 6432V LL4148-GS08 1 PCS 93L 6433P BAV99 1 PCS 93L 6433P BAV99 1 PCS...
  • Page 48 PLE385 Iiyama 64L179J1541AT MKT.CAP 0.15UF 100V RS 1 PCS 65L 3J2706ET 27PF +-5% 3KV TDK 1 PCS 65L 3J2706ET 27PF +-5% 3KV TDK 1 PCS 67L215C151 4H LOW ESR 150UF 25V 8*7MM 1 PCS 73L 174 30 H FILTER 500MH HA...
  • Page 49 PLE385 Iiyama 61L1206202 CHIP 2K 5% 1/4W 1 PCS 61L1206202 CHIP 2K 5% 1/4W 1 PCS 61L1206202 CHIP 2K 5% 1/4W 1 PCS 61L1206202 CHIP 2K 5% 1/4W 1 PCS 65L0805103 22 CHIP 0.01uF 25V X7R 080 1 PCS 65L0805104 22 0.1UF +-10% 25V X7R 080...
  • Page 50 PLE385 Iiyama ----- ------------------------- ----------------------- --------- ----- 715L 879 1A A KEPC 1 PCS J101 95L 90 23 TIN COATED 0 PCS J102 95L 90 23 TIN COATED 0 PCS R109 61L 60210252T CFR 1K OHM+-5% 1/6W 1 PCS R101...

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