COLOR MONITOR SERVICE MANUAL

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SERVICE OSD1) Turn off the power switch button.2) Press DOWN, POWER key.3) Shows the service OSD menu. That menu is located in down side of main menu.4) The service OSD menu contains additional menus as described below.a) COLOR TEMP : Adjust R/G/B color values of contrast and brightness in 9300K, 6500K, user color mode.b) INITIAL EEPROM : Initialize the EEPROM values(24C08).c) CLEAR ETI : Initialize the used time of monitor.d) AGING : Select aging mode.(On/Off)e) WHITE BALANCEAUTO : Allows you to set the R/G/B offset and gain value automatically.MANUAL : Allows you to set the R/G/B offset and gain value manually.f) DEFAULT TIMING : Select the resolution timing of the signal. Sub menus are 1152x864(VESA standardtiming) and 1152x870(MAC computer timing).g) MODULE : Select the LCD module attached to this monitor.AVideo SignalGeneratorControl LineCANot usedPARALLELRS232CVGS MONITORV-SYNC ST POWERIBMCompatible PC220Power inlet (required)Power Select Switch(110V/220V)Power LEDPARALLEL PORT5VOFFF15105ON116195ONOFFE6113255V74LS064.7K5VC4.7K4.7K74LS06114BEST SwitchBFV-Sync On/Off Switch(Switch must be ON.)Figure 1. Cable Connection- 12 -
TROUBLESHOOTING GUIDE1. NO POWERNO POWER(POWER INDICATOR OFF)CHECK J705VOLTAGEPIN 5, 6, 8(5V)PIN 1, 2(12V)?YESNOCHECK POWERBOARD, AND FINDOUT A SHORT POINTAS OPENINGEACH POWER LINECHECKU501 PIN 8 Voltage(5V) ?YESNOCHECK 5VS LINE(OPEN CHECK)NO PROBLEMCHECK KEY CONTROLCONNECTOR ROUTINEIS U201PIN94 (3.3V), PIN85(2.5V)VOLTAGE REPEATEDAS PULSESHAPE ?NOYESCHECK IIC LINECONNECTION(U501, U502)CHECK U201 VCC,X501 XTAL CHECK- 13 -
Page 1 and 2: OKMENUCOLOR MONITORSERVICE MANUALCH
Page 3 and 4: Signal Connector Pin Assignment•
Page 5 and 6: TIMING CHART>Mode123456789101112131
Page 7 and 8: WIRING DIAGRAMConnector Ass’yP/N:
Page 9 and 10: DESCRIPTION OF BLOCK DIAGRAM1. Vide
Page 11: ADJUSTMENTWindows EDID V1.0 User Ma
Page 15 and 16: 3. NO RASTER (OSD IS NOT DISPLAYED)
Page 17 and 18: SONYGENESS1521468EXPLODED VIEW79161
Page 19 and 20: REPLACEMENT PARTS LISTCAUTION: BEFO
Page 21 and 22: DATE: 2004. 06. 02.*S *AL LOC. NO.
Page 23 and 24: 2. MICOM/- 23 -
Page 25 and 26: 4. CONNECTOR & JACKS/- 25 -

COLOR MONITOR SERVICE MANUAL

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