User manual MEMOREX MT1196ASM

[. . . ] MT1196A SERVICE MANUAL COLOR TELEVISION RECEIVER ORIGINAL MFR'S VERSION D Design and specifications are subject to change without notice. SERVICING NOTICES ON CHECKING 1. KEEP THE NOTICES As for the places which need special attentions, they are indicated with the labels or seals on the cabinet, chassis and parts. Make sure to keep the indications and notices in the operation manual. 6. AVOID AN X-RAY Safety is secured against an X-ray by considering about the cathode-ray tube and the high voltage peripheral circuit, etc. [. . . ] DOWN button on the set and Channel button (6) on the remote control for more than 1 second. Using the SET + or - keys on the remote, step through the ADDRESS until required ADDRESS to be changed is reached. Again, step through the DATA using SET + or - until required DATA value has been selected. Pressing ENTER will take you back to ADDRESS for further selection if necessary. When satisfied correct DATA has been entered, turn POWER off (return to STANDBY MODE) to finish DATA input. The unit will now have the correct DATA for the new MEMORY IC. C-1 ELECTRICAL ADJUSTMENTS 1. BEFORE MAKING ELECTRICAL ADJUSTMENTS Read and perform these adjustments when repairing the circuits or replacing electrical parts or PCB assemblies. CAUTION · Use an isolation transformer when performing any service on this chassis. · Before removing the anode cap, discharge electricity because it contains high voltage. · When removing a PCB or related component, after unfastening or changing a wire, be sure to put the wire back in its original position. · When replacing IC's and transistors, use only specified silicon grease (YG6260M). DOWN button on the set and the Channel button (9) on the remote control for more than 1 second to appear the adjustment mode on the screen as shown in Fig. 1-1 and press the channel button (02) on the remote control to select "RF AGC". UP/DOWN button on the remote control until the digital voltmeter is 1. 95 ± 0. 05V. R DRIVE=10, B DRIVE=10, R BIAS=64, G BIAS=64, B BIAS=64, BRIGHTNESS=126, CONTRAST=98 2. 1-1 and press the channel button (01) on the remote control to select "CUT OFF". 1-1 and press the channel button (10) on the remote control to select "R. Press the CH UP/DOWN button on the remote control to select the "R. Perform the above adjustments 5 and 6 until the white color is looked like a white. Use the Channel UP/DOWN button or Channel button (0-9) on the remote control to select the options shown in Fig. 00 01 02 03 04 05 06 07 08 09 10 11 12 FUNCTION OSD H CUT OFF RF AGC VIF VCO H VCO H PHASE V SIZE V SHIFT R DRIVE B DRIVE R BIAS G BIAS B BIAS NO. 13 14 15 16 17 18 19 20 21 22 23 24 FUNCTION BRIGHTNESS CONTRAST COLOR TINT SHARPNESS FM LEVEL LEVEL SEPARATION 1 SEPARATION 2 TEST MONO TEST STEREO X-RAY TEST Fig. [. . . ] 3-4: DYNAMIC CONVERGENCE NOTE Adjust after performing adjustments in section 3-3. Adjust the differences around the screen by moving the deflection yoke upward/downward and right/left. Insert three wedges between the deflection yoke and CRT funnel to fix the deflection yoke. 3-2-b) RGB RGB R G B R G B RIGHT/LEFT SLANT UPWARD/DOWNWARD SLANT Fig. [. . . ]