COLOR TELEVISION RECEIVER - Tecnicosaurios

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Alignment and Adjustments3-3-11 White Balance Adjustment3-3-11 (A) SCREEN ADJUSTMENTS1. Input a TOSHIBA pattern.2. Check R506 ÒGÓ pin on the CRT PCB with anoscilloscope.3. Enter the Horizontal Line Mode.3-3-11 (D) SUB-BRIGHTNESS ADJUSTMENT1. Input a TOSHIBA pattern.2. Set SBT so that the brightness level in lowlightis 1.0 F/L.High-Light4. Adjust the Screen Control on the FBT so thatthe waveform of the 21st line is DC 2.0(+0.5)V. _SIZEDC29”2.026”2.422”2.4Low-Light3-3-11 (B) HIGH-LIGHT ADJUSTMENT1. NOTE : If a color analyzer is not available,then approximate the following color adjustmentsÒby eyeÓ.2. Input a TOSHIBA pattern.3. Set high-light to 290/300 (X,Y) with a coloranalyzer.4. Set low-light to 1.0F/L ( 22Ó low-light 1.2F/L).5. Adjust RG, BG and set GG to step 32.HEIGHTLIGHT29”26”3-3-11 (C) SUB-CONTRAST ADJUSTMENT22”37 _ + 3 45 + _ 3 45 + _ 31. Set SCT so that the brightness level in highlightis 37 F/L (for a 29Ó SCREEN).3-3-11 (E) SUB-<strong>COLOR</strong> ADJUSTMENTSet ÒSCRÓ in the Service Mode to step 0.3-3-11 (F) SUB-TINT ADJUSTMENTSet ÒSTTÓ in the Service Mode to step 10.3-3-11 (G) VERTICAL SIZE ADJUSTMENT1. Input a lion head pattern.2. Set VS to 32 in the Factory Mode.3. Set VA so that the top margin is 4.0. Adjust SLso that the bottom margin is 4.0. If the topand bottom margins are different, adjust VA sothat their sum is 8.0.3-3-11 (H) HORIZONTAL SHIFT ADJUSTMENT1. Input a lion head pattern.2. Adjust ÒHSÓ in the Service Mode so that theleft and right margins of the lion head patternare 5.0 + _ 0.5 : CT633BW/CT683BW, 6.3 + _ 0.5 :CT566BV/CT566BW/CT567BW/CT568BW/CT766DW3-10 Samsung Electronics
Troubleshooting4. Troubleshooting4-1 No Raster and No SoundNo Raster and No SoundNo VoltageMeasure the B+Voltage at the Cathodeof D812 (D811)NormalAbnormalCheck +12.5 LineCheck/ReplaceIC801 Q801NormalMore than 130VCheck the horizoutput signal at TRcollector.Check/Replace AVRCircuit, Horiz OutputCircuit and B+Voltage Line.NormalMeasure the B+voltage at the cathodeof D812*OpenCheck/Replace F801More than 130VLess than 50VNormalCheck/Replace FScircuitCheck/ReplaceAVR circuit(ADJ Pin of STR)Check/Replacethe AVR circuit.Check/Replace1) D8012) Short theDegaussing Coil3) C801Check/Replacethe power switchSamsung Electronics 4-1
Page 1 and 2: COLOR TELEVISION RECEIVERChassis :M
Page 3 and 4: Precautions1. PrecautionsFollow the
Page 5 and 6: Precautions1-2 Servicing Precaution
Page 7: Specifications and IC Data2. Specif
Page 11 and 12: Alignment and Adjustments3. Alignme
Page 13 and 14: Alignment and AdjustmentsSamsung El
Page 15 and 16: Alignment and Adjustments3-2-3(B) O
Page 17 and 18: Alignment and Adjustments3-3-2 Auto
Page 19: Alignment and Adjustments3-3-8 Cent
Page 23 and 24: Troubleshooting4-3 No Vert Scan (Ho
Page 25 and 26: Troubleshooting4-3 No ColorNo Color
Page 27 and 28: Exploded View & Parts List5-2 CT567
Page 29 and 30: 6. Electric Parts List6-1 Dissimila
Page 31 and 32: Electric Parts ListNO. LOC. NO. 20,
Page 33 and 34: 6-4 Samsung Electronics6-2 Part Des
Page 35 and 36: 6-6 Samsung Electronics6-2 Part Des
Page 37 and 38: 6-8 Samsung Electronics6-3 CRT PCB
Page 39 and 40: Electric Parts List6-4 COMB FILTER
Page 41 and 42: Electric Parts List6-7 MONO STEREO
Page 43 and 44: Electric Parts List6-8 SOUND OUTPUT
Page 45 and 46: Electric Parts List6-12 CT567BWX/ST
Page 47 and 48: Electric Parts ListLoc. No. Code No
Page 55 and 56: MEMO7-2 Samsung Electronics
Page 57 and 58: PCB Layout8-2 PWB-CRT V/M 8-3 ASSY-
Page 59 and 60: Schematic Diagrams10. Schematic Dia
Page 61 and 62: Schematic Diagrams10-3 MAIN 3/4TP16
Page 63 and 64: Schematic Diagrams10-5 CT766DW ( MA
Page 65 and 66: Schematic Diagrams10-7 CT766DW ( MA

COLOR TELEVISION RECEIVER - Tecnicosaurios

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