Summary of AY965
Page 1
965 service manual.
Page 2: Table of Contents
Table of contents service warning ··········································································· 1 a. Important safety instruction ··········································· 1 b. Specifications ·········································································· 2 c. Timing chart...
Page 3: Warning
Warning to prevent from fire or shock hazard,do notexpose 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...
Page 4: B. Specifications
B. Specifications 1. Maximum resolution 1280 x 1024 @ 75hz 2. Recommend resolution 1280 x 1024 @ 60hz 3. Synchronization range horizontal vertical 31 – 80 khz 60 – 75 hz 4. Active display area 376mm x 301mm 5. Dot pitch 0.294 x 0.294 mm 6. Support display colors 16.7m 7. Contrast ratio (typical) 600...
Page 5: C.Timing Chart
C.Timing chart video back porch active display front porch sync. Sync-width total preset modes vga 720x400 vga 640x480 vesa 640x480 vesa 640x480 vesa 800x600 vesa 800x600 vesa 800x600 pixel clock (mhz) 28.325 25.175 31.500 31.500 36.000 40.000 50.000 h-frequency (khz) 31.472 31.469 37.861 37.500 35....
Page 6: D. Control Location
Preset modes vesa 800x600 vesa 1024x768 vesa 1024x768 vesa 1024x768 vesa 1280x1024 vesa 1280x1024 pixel clock (mhz) 49.500 65.000 75.000 78.750 108.00 135.00 h-frequency (khz) 46.875 48.363 56.476 60.023 63.981 97.976 h-total (µs) 21.333 20.677 17.707 16.660 15.630 12.540 h-active display (µs) 16.16...
Page 7: Rear Panel
1. Menu button 4. Power button 2. Select button 5. Led (power display) 3. Auto button rear panel 1. Vga signal cable 2. Power jack 3. Line in jack.
Page 8: E. Conduction View
E. Conduction view main board (component side).
Page 9
Main board (solid side).
Page 10: F. Adjustment Procedure
F. Adjustment procedure item program menu. ﹟test meter ﹡test point ﹫pattern operation check value a b+ check ﹟digital voltmeter ﹡cn7 ﹫crosshatch pattern (31.5khz,640x480) 1. Plug power cable into the adapter, check adapter power indicator light up green. 2. Make sure the voltage of the power plug ( ...
Page 11
G. Trouble shooting hints no no yes yes yes yes no no high voltage ! No yes yes no no yes no display ( black ) led on ? Push the power on/off switch led color change ? Check main board u10/pin141 hi / lo under push power sw? Back light on? To step 2 make sure the connection of inverter is fine +12v ...
Page 12
No yes yes no yes no b hi / lo under push power sw? Change the inverter display ? Nice job ! To step 2 a check the connection of cn8 cable display ? Nice job ! Change the main board change the main board.
Page 13
No yes no yes yes yes yes no no yes step 2 check the main board 12v ? +5.0 v ? Check u13,u14,r65 h/v input signal ? Check the main board u10 / pin 146 ? Change u11 check h/v signal display ? Nice job ! Change signal cable check f1,d5 check u10
Page 14
No yes no yes no yes yes no no yes no display (white) check the main board 5v ? +3.3v ? H/v input signal ? Check the main board u11/pin14 ? Change u11 check h/v signal display ? Nice job ! Change signal cable check u13,u14 check u1,u13 check 3.3v circuit.
Page 15: H. Replacement Parts List
H. Replacement parts list no parts no. Description part location q’ty 1 002-001-tco9 tco99 statement 1 2 002-001-cepov-b ce statement 1 3 002-l00-865a user manual 1 4 003-101-tco9 tco99 label for carton 1 5 005-500-965c 965 carton for proview logo 1 6 153-001-tco99 tco99 label for panel 1 7 153-u00-...
Page 16
43 281-035-4734 res 47k 5% 1/10w 0603 smd 2 44 281-035-5114 res 510 5% 1/10w 0603 smd 2 45 281-035-7504 smd r 75 ohm 0603 3 46 281-045-0r04 res 0 ohm +-5% 1/8w 0805 smd 5 47 281-075-1014 res 100ohm 5% 1/4w 1206 smd 1 48 282-103-2454 res-net 10kohm 5% smd 8p4r 1 49 282-330-2454 res-net 33ohm 5% smd 8...
Page 17
87 506-xxp-2781 ic p2781/pules core soic-8 1 88 381-682-032564 smd cap 6800pf 25v npo 0603 1 89 281-035-2204 res 22ohm 5% 1/10w 0603 smd 1 90 003-h03-all9 all ict ok label 8*8mm(white) 1 91 851-00m-ay765-s2 mrt vp2 m/b fpr 765 dip for emi 1 92 120-001-m780 lcd bm780ic 296pin 1 93 210-330-0256 r-cf. ...
Page 18
131 106-010-3073 screw m3*10 tp4 5 132107-006-3032 lt380m b m3xl6 3 133108-s10-4032 b/ws m4*10 iso 4 134111-014-0200 rubber washer 20*7*2.5 4 135121-002-ay565 bracket rotate t:3 1 136121-003-ay565 bracket rotate spcc t:3mm 1 137123-004-ay765 base cover secc t=3.0mm 1 138126-014-ay765 ay765 hinge t=1...
Page 19
175330-220-25275 e.Cap 22uf/25v 6x7mm 105c 2 176330-470-16275 ec. 47uf/16v elec.Radial 5*7 3 177330-471-16205 e.Cap 470uf/16v +-20% 105c 9 178504-000-mcp101 reset ic mcp101-450hi/to to92 1 179504-a00-8227 audio amt ic ta8227p/utc 1 180520-007-l431 diode tl431clp tc92 1 181 522-030-b340-t schttky sb3...
Page 21
I. Block diagram orion b block diagram b 1 1 tuesday, october 23, 2001 title size document number rev date: sheet of hsync vsync d-de blk-on/off sda brightness ddc-scl ddc-sda scl power adapter 12v switch power supply and 3v 5v 12v c o n n e n t vga-in 12pin d.D.C 24c21 eeprom adc scaler lvds lvds m...
Page 22
J. Schematic diagram 200-100-765c (mv7-c2) a vga input proview electronics (taiwan) co., ltd. 6f, no.1, pau-sheng rd., yung-ho city, taipei county, taiwan r.O.C. Tel: 886-2-2231-6789 fax: 886-2-2232-4613 1 6 wednesday, october 16, 2002 title size document number rev date: sheet of vcc vga-vdd vga-vd...
Page 23
200-100-765c (mv7-c2) a scaler proview electronics (taiwan) co., ltd. 6f, no.1, pau-sheng rd., yung-ho city, taipei county, taiwan r.O.C. Tel: 886-2-2231-6789 fax: 886-2-2232-4613 2 6 wednesday, october 16, 2002 title size document number rev date: sheet of vdd vdd vdd vdd vdd-ana vdd-in vdd-ana vdd...
Page 24
200-100-765c (mv7-c2) a mcu proview electronics (taiwan) co., ltd. 6f, no.1, pau-sheng rd., yung-ho city, taipei county, taiwan r.O.C. Tel: 886-2-2231-6789 fax: 886-2-2232-4613 3 6 wednesday, october 16, 2002 title size document number rev date: sheet of vcc vcc-mcu vcc vcc vcc-mcu vcc vcc vcc vcc v...
Page 25
200-100-765c (mv7-c2) a output proview electronics (taiwan) co., ltd. 6f, no.1, pau-sheng rd., yung-ho city, taipei county, taiwan r.O.C. Tel: 886-2-2231-6789 fax: 886-2-2232-4613 4 6 wednesday, october 16, 2002 title size document number rev date: sheet of vdd vdd vdd vdd vdd vdd rgb-b[0..23] 2 rgb...
Page 26
200-100-765c (mv7-c2) a power supply proview electronics (taiwan) co., ltd. 6f, no.1, pau-sheng rd., yung-ho city, taipei county, taiwan r.O.C. Tel: 886-2-2231-6789 fax: 886-2-2232-4613 5 6 wednesday, october 16, 2002 title size document number rev date: sheet of vcc vcc-p vcc vdd vcc 12v vcc 3v3 vc...
Page 27
200-100-765c (mv7-c2) a audio ta8227p proview electronics (taiwan) co., ltd. 6f, no.1, pau-sheng rd., yung-ho city, taipei county, taiwan r.O.C. Tel: 886-2-2231-6789 fax: 886-2-2232-4613 6 6 wednesday, october 16, 2002 title size document number rev date: sheet of gnd-dig gnd_aud vcc6 gnd-earth gnd-...
Page 28
Memu.