- 88 -Electrical Adjustments5. Fan driving voltage adjustmentEquipment Digital voltmeter1. Enter the service mode.2. Change data values of rach test points to adjust the fandriving voltage.Group No. Fan Connection Adjustment value140 - 0 Fan - A TP7611 16.0 ± 0.1Vdc140 - 1 Fan - A TP7611 24.0 ± 0.1Vdc(Sub Power)140 - 2 Fan - B TP2661 8.0 ± 0.1Vdc140 - 3 Fan - B TP2661 13.8(PBS Fannet)140 - 4 Fan - B TP2671 11.0 ± 0.1Vdc140 - 5 Fan - B TP2671 13.2 ± 0.1Vdc(EXH Fannet)140 - 6 Fan - D1 TPFN1 6.0 ± 0.1Vdc140 - 7 Fan - D1 TPFN1 13.0 ± 0.1Vdc140 - 8 Fan - D2 TPFN2 6.0 ± 0.1Vdc140 - 9 Fan - D2 TPFN2 13.0 ± 0.1Vdc140 - 10 Fan - D3 TPFN3 6.0 ± 0.1Vdc140 - 11 Fan - D3 TPFN3 13.0 ± 0.1Vdc140 - 12 Fan - D4 TPFN4 6.0 ± 0.1Vdc140 - 13 Fan - D4 TPFN4 13.0 ± 0.1Vd(Main board)Note :The location of each fan is refer to the Parts list.Group Fans A: FN903, 904, 905, 916Group Fans B: FN906, 907,908, 913, 914, 915Group Fans C: FN909, 910, 911, 912Group Fans D: FN917, 918, 919, 920+ 0 Vdc- 0.1 Vdc6. Gain adjustment 1 (PC)Equipment OscilloscopeInput mode Computer modeInput signal 16-step gray scale computer signal(XGA)1. Enter the service mode.2. To start the auto-calibration for PC adjustment, selectGroup "660", No. "0", and then change data value "0" to"1".After the auto-calibration completed, "OK" will appearon the screen.7. Gain adjustment 2 (Composite)Equipment OscilloscopeInput mode Video mode (Composite)Input signal 100% color bar signal (NTSC)1. Enter the service mode.2. To start the auto-calibration for composite-video adjust-ment, select Group "660", No. "0", and then change datavalue "0" to "1".After the auto-calibration completed, "OK" will appearon the screen.8. Gain adjustment 3 (Component)Equipment OscilloscopeInput mode Video mode (Component)Input signal 100% color bar signal (480i)1. Enter the service mode.2. To start the auto-calibration for component-video adjust-ment, select Group "660", No. "0", and then change datavalue "0" to "1".After the auto-calibration completed, "OK" will appearon the screen.