Sanyo PLC-XF47 Service Manual

Also see for PLC-XF47: Brochure Specifications Owner's manual Owner's manual

Contents

1. Voltage adjustment1 - 1 +6V adjustment1. Adjust the voltage by using VR652 on the power boardas following.Connection Adjustment value(+) 2pin of K6D 6.35 ± 0.05Von the Power Board(–) Chassis GND1 - 2 +24V adjustment1. Adjust the voltage by using VR in in switching reguraterA902 as following.Connection Adjustment value(+) TP7614 26.0 ± 0.1Von the Unit Sub Power(–) Chassis GND2. AV video signal adjustment (Y)Equipment OscilloscopeInput mode Video mode (Composite)Input signal 100% color bar (NTSC)Picture mode Normal1. Enter the service mode.2. Connect an oscilloscope to test point.3. Change data value.Adjust the amplitude A to below.Group No. Connection Adjustment value2000 - 2 TP211 0.7 ± 0.05V3. AV video signal adjustment (C)Equipment OscilloscopeInput mode Video mode (Component)Input signal 100% color bar (NTSC)Picture mode Normal1. Enter the service mode.2. Connect an oscilloscope to test point.3. Change data value.Adjust the amplitude A to below.Group No. Connection Adjustment value2000 - 3 TP221 0.7 ± 0.05VAA4. LCD Panel L/R SettingS290 LCD Panel Type L / R setting1. Enter the service mode.2. Check the data value. (290 - 0)Group No. Value Panel type290 - 0 0 L290 - 0 20 R3. Set the each data value.Group No. Value Panel type290 - 1 0 L290 - 1 10 Initial290 - 1 20 RThe initial data of 290 -1 is "10".Down or up the data value to "0" or "20".It automatically returns to initial data "10" after the set-up.4. Check the data value. (290 -0).Confirm the data value was changed.Group No. Value Panel type290 - 0 0 L290 - 0 20 RNotice:After Main Board (or IC1861) replacement, Check servicedata 290 - 0 and LCD panel / Prism assembly type (R or L).Set the each data value. (290 -1).The adjustment data is stored Main Board (IC1861)- 87 -Electrical Adjustments