Samsung CXJ1331/TUCX Service Manual

Also see for CXJ1331/TUCX: Service manual

Alignment and Adjustments (TV)Samsung Electronics 4-34-1-9 White Balance Adjustment4-1-9 (A) LOW-LIGHT ADJUSTMENTS1. Input either a lion head or “pure white” colorpattern.2. Warm up the receiver for 30 minutes.3. Check data in the Factory mode:RC, GC, BC should be “0”.Steps BG and GG should be 128.4. Enter Horizontal Line mode by pressing theMUTE key.5. Adjust the screen VR on T444 (FBT) until adim colored line (red,green or blue) appearson the screen.6. Adjust RC, BC, GC so that the dim coloredline becomes white.7. Exit the horizontal line via the MUTE key.4-1-9 (B) HIGH-LIGHT ADJUSTMENTS1. After adjusting the low-light,input a high-light pattern.2. Adjust GG, BG in the Factory Mode.3. Recheck in low-light.4-1-4 IC902 Replacement1. When IC902 is replaced, all values are reset to“Initialized MICOM Data,” so readjustment isnecessary.2. Press the POWER button 10 seconds afterplug-in.3. To enter the factory mode, refer to 4-1-2(Factory Mode Adjustment).4-1-5 PIF VCO Adjustment1. Without connecting an antenna to the tuner,feed a 45.75MHz signal to C104. Use apattern generator (Marked : ).2. Adjust the VCO in the service mode; set IC200Pin 44 (AFT) to 2.5V.4-1-6 Sub-Contrast Adjustment1. Set sub-contrast to step 36 (13 inch) or step 40(19 inch).4-1-7 Sub-Contrast Adjustment1. Set sub-tint to step 27.4-1-8 Sub-Color Adjustment1. Set sub-tint to step 5.IFAll manuals and user guides at all-guides.com