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Summary of Contents for Proview FV926AFW
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Page 1: Service Manual
FV926AFW Service Manual FV926AFW 1 / 19... -
Page 2: Table Of Contents
A. IMPORTANT SAFETY INSTRUCTION -------------------------------------- B. SPECIFICATIONS --------------------------------------------------------------------- C. TIMING CHART ------------------------------------------------------------------------ D. ADJUSTMENT PROCEDURE ----------------------------------------------------- E. TROUBLE SHOOTING HINTS --------------------------------------------------- F. BLOCK DIAGRAM ------------------------------------------------------------------- G. EXPLODED DIAGRAM ------------------------------------------------------------- H. SCHEMATIC DIAGRAM ----------------------------------------------------------- I. PCB LAYOUT DIAGRAM ---------------------------------------------------------- FV926AFW 2 / 19... -
Page 3: Warning
To prevent from fire or shock hazard,do not expose monitor to any rain or any form of water.High voltage is inside the monitor so please do not remove the back cover of the cabinet if you are not a qualified monitor engineer.Contact the local dealer or the nearest Proview branch office if you need help. A. IMPORTANT SAFETY INSTRUCTION Prior to using this service manual,please ensure that you have carefully followed all the procedures outlined in the user's manual for this product. -
Page 4: Specifications
21. NC 6.DDC Clock 14.+5V Power 22. Clock shield 7.DDC Data 15.GND 23. Clock+ 8.Analog Vertical Sync 16.Hot Plug Detect 24. Clock- C1.analog red C2.analog green C3.analog blue C4. analog Horizontal Sync Sound Output 2Wx2 8Ω Speaker FV926AFW 4 / 19... -
Page 5: Timing Chart
1.112ms 0.626ms 0.607ms 0.478ms 0.448ms D-Back Porch 0.572ms 0.449ms 0.026ms 0.381ms 0.028ms 0.026ms 0.77ms 0.021ms E-Front Porch － － － － － － － ＋ ＋ ＋ ＋ ＋ ＋ ＋ ＋ ＋ H/V SYNC Interlaced FV926AFW 5 / 19... - Page 6 0.594ms 0.475ms 0.306ms 0.447ms 0.467ms D-Back Porch 0.062ms 0.054ms 0.017ms 0.016ms 0.013ms 0.054ms 0.054ms 0.042ms E-Front Porch H/V SYNC － － － － ＋ ＋ ＋ ＋ ＋ ＋ ＋ － － ＋ － ＋ Interlaced FV926AFW 6 / 19...
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Page 7: Adjustment Procedure
Y = 230±20cd/m^2 x = 0.313±0.02 y = 0.329±0.02 1. Move the OSD to the OSD setting mode ﹟ PC or Pattern 2. Move the to the LANGUAGE mode 3. You can choose one of the language you need. generator Language Setting FV926AFW 7 / 19... -
Page 8: Trouble Shooting Hints
/Pin1,2 of CON201 High Voltage ! CON1/Pin1 power board Make sure the connection of +12V ? Hi / Lo under power board is push power fine Display ? To Step 2 Check Power board Nice Job ! FV926AFW 8 / 19... - Page 9 Change the power board Nice Job ! Display ? Nice Job ! Change the main board To Step 2 Check the main Check board input? +12V CN1/Pin1,2 Check Check the main board +5.0 V ? CN1/Pin5,6 FV926AFW 9 / 19...
- Page 10 Check the main Check board 3.3V input Check Check 1.8V Input Check Check H/V U7/Pin37,38 input Signal ? Change Display ? Signal Cable Nice Job ! FV926AFW 10 / 19...
- Page 11 No display (White) Check the main Check board CN1/Pin5,6 Check +3.3V ? Check H/V Input U7/Pin37,38 Signal ? Change Display ? Signal Cable Nice Job ! FV926AFW 11 / 19...
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Page 12: Block Diagram
ST_DET1 ST_DET2 ST_DET2 +12V Volume Volume 3.INPUT VCC3.3 VCC1.8 DVI5V VCC5V +12V VLCD VCTRL VCTRL PC5V0 VCC5V BKLT_ADJ BKLT_ADJ 6.AUDIO VCC1.8 DVI5V VCC1.8 VCC3.3 BKLT_EN BKLT_EN VCC3.3 VLCD VCC1.8 PANELVCC_EN PANELVCC_EN PC5V0 VCC3.3 +12V 2.POWER 4.SCALER FV926AFW 12 / 19... -
Page 13: Exploded Diagram
G. EXPLODED DIAGRAM FV926AFW 13 / 19... -
Page 14: Schematic Diagram
H. SCHEMATIC DIAGRAM FV926AFW 14 / 19... -
Page 15: Pcb Layout Diagram
TSUM66AJ SCHEMATIC RIN0 RIN0 GNDR0 GNDR0 GIN0 GIN0 GNDG0 GNDG0 BIN0 BIN0 GNDB0 GNDB0 SOGIN0 SOGIN0 PC5V1 HSYNC0 HSYNC0 VSYNC0 VSYNC0 RIN1 RIN1 PA[0..9] DVI5V PC5V1 GNDR1 GNDR1 PA[0..9] PA[0..9] PB[0..9] GIN1 GIN1 PB[0..9] PB[0..9] VCC5V GNDG1 GNDG1 BIN1 BIN1 VCC3.3 GNDB1 GNDB1... - Page 16 BL_CTRL SOT-263 4.7K BKLT_EN 4 VCC3V3_PANEL B1206 0.1u MMBT3904 MLB-201209-0220P-N2 VCTRL 4 BRT_LEVEL 0.1uF 100uF/16V 0.1uF 4.7K BKLT_ADJ 4 VCC1.8 MMBT3904 5/4 modified VCC1.8 4 4.7uF/16V BL_CTRL BRT_LEVEL B1206 1N4148 MLB-201209-0220P-N2 5/17 del C8 CHT2907 0.1uF C0603 220uF/25V 1N4148 DVI5V PC5V1 HEADER5X2 DVI5V...
- Page 17 DB15 56Ω 1/16W Bead 60R 0.047uF RIN0 4 56Ω 1/16W Bead 60R 0.047uF GIN0 4 56Ω 1/16W Bead 60R 0.047uF BIN0 4 470Ω 1/16W 1000pF SOGIN0 4 PC5V0 VGA0_CON 75Ω 1/16W 100Ω 1/16W 0.047uF GNDR0 4 100Ω 1/16W 0.047uF GNDG0 4 100Ω...
- Page 18 VMPLL VDDP AVDD VDVI VDDP VDDC VCC3.3 VCC3.3 FB12 VCC3.3 600 OHM VCTRL 2 10uF/16V RIN0 RIN0P PA[0..9] GNDR0 RIN0M VCTRL PA[0..9] 5 GIN0 GIN0P LVA3P 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF GNDG0 GIN0M LVA3M SOGIN0 SOGIN0 LVACKP JWT-A2001WV2-04 BIN0 BIN0P LVACKM...
- Page 19 VLCD VLCD PA[0..9] PA[0..9] LVB3P LVB3M LVBCKP LVBCKM LVB2P LVB2M NC/100uF/16V 0.1uF LVB1P R106 100 LVB1M VCC_TEST OD_EN LVB0P PB[0..9] LVB0M PB[0..9] LVA3P VCC3.3 RXEIN3+ LVB3P LVA3M RXEIN3- LVB3M LVACKP R107 NC RXECKIN+ LVBCKP LVACKM RXECKIN- LVBCKM RXEIN2+ LVB2P LVA2P RXEIN2- LVB2M LVA2M...
- Page 20 +12V +12V 2 C100 4148/NC 5/4 modify 0.1UF/NC R111 R112 10K/NC 2,3,4 R113 47K/NC 22K/NC U_GND R128 U_GND +12V 10K/NC +12V 2 4148/NC R115 4.7K/NC R116 R114 MMBT3904L/NC 33K/NC 10K/NC R117 4.7K/NC 0.47uF/16V /NC MUTE MMBT3904L 220uF/NC 0.1uF/NC U_GND SPEAKER/NC U_GND U_GND L1/NC...
- Page 21 聯昌電子企業股份有限公司 LC Electronic Co., Ltd. ＊Copy-right LIEN CHANG Electronic Enterprise Co., Ltd. No copy & disclosure is Allowed. All Right Reserved by LIEN CHANG.
- Page 22 聯昌電子企業股份有限公司 LC Electronic Co., Ltd. ＊Copy-right LIEN CHANG Electronic Enterprise Co., Ltd. No copy & disclosure is Allowed. All Right Reserved by LIEN CHANG.
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Page 23: I. Pcb Layout Diagram
I. PCB LAYOUT DIAGRAM Main Board FV926AFW 15 / 19... - Page 24 Power+Inverter Board Top layer FV926AFW 16 / 19...
- Page 25 Bottom layer FV926AFW 17 / 19...
- Page 26 Control Board Earphone Board FV926AFW 18 / 19...
- Page 27 MEMO FV926AFW 19 / 19...
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