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COLOR TELEVISION RECEIVER
Chassis : KS7A(P) REV.1
Model : CW25M064NRXXEC
Manual
SERVICE
COLOR TELEVISION RECEIVER CONTENTS
Specifications
1.
Alignment and Adjustments
2.
Exploded Views and Parts List
3.
Electrical Parts List
4.
PCB Diagram
5.
Schematic Diagrams
6.
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Specifications 1. Specifications Country INDEX Origin Mark Made inLocal Country(Factory) or Made By Samsung Color PA L/SEC AM/NTSC4.43/NTSC3.58(NTSC3.58 is option),(SECAM-L’ ,L is option) demodulat ion Sound Quas i - s plit (Related toVCTI) receving way Sound Virtual Dolby/Nicam/St e reo/L ine St er e o F demodulat ion I Ant enna 75ohmDin-Jack(V /U) X Channel search Programmable F/S E Chnnel numbers 100 CH PROGRAM MEMORY D Eas t - Asia, Middle-East Asia , Africa( 100V ~ 260V ) , Input voltage Ci
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Alignment and Adjustments 2. Alignment and Adjustments 2-1 General Alignment Instructions 1. Usually, a color TV-VCR needs only slight 5. Avoid overload. Excessive signal from a touch-up adjustment upon installation. Check sweep generator might overload the front-end the basic characteristics such as height, of the TV. When inserting signal markers, do horizontal and vertical sync and focus. not allow the marker generator to distort test results. 2. Observe the picture for good black and
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Alignment and Adjustments 2-4 FOCUS Adjustment 1. Iput a crosshatch pattern. 2. Adjust the tuning control for the clearest picture. 3. Adjust the FOCUS control for well defined scanning lines in the center area of the screen. 2-5 SCREEN Adjustment 1. Input Toshiba Pattern If a Toshiba pattern is not available, Enter “Service Mode” and select “Test pattern 2”(Toshiba pattern) ex) IBRM = 175 WDRV = 110 2. Enter “Service Mode”. CDL = 250 COLR G B = 110 110 110 3. Select “G2-Adjust”. 4. S
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Alignment and Adjustments 2-7 When adjusting Screen Voltage and White Balance 1. Screen Voltage and White Balance are related each other. Make sure both adjustments are correct. 2. Adjust Screen Voltage before White Balance Adjustments. Make sure Screen Voltage is correct. 3. If White Balance has been readjusted, re-check Screen Voltage. 4. After adjustments are complete, check the following. - If spots appear on the screen after pressing the Power On/Off key, readjust Screen Voltage. - If fly
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Alignment and Adjustments 2-8-2 Factoy Mode OSD 2-8-2(A) ADJUST SERVICE / T - ETPAS0 - 10XX Deflection Video Adjust1 Video Adjust2 Video Adjust3 Option : D2 16 04 02 YC Delay Test Pattern : 0 EEPROM Bus Stop Check Sum : 0000 Reset / 2004-03-08 G2 Adujust 2-4 Samsung Electronics
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Alignment and Adjustments DEFLECTION : PAL Item Min G/R Remark Max ET -128 V Amp 127 24 12 Adjust -128 V Shift 127 -35 -59 Adjust -128 H EW 127 25 5 Adjust 32 H Shift 180 124 105 Adjust -128 V Linearity 127 0 0 Adjust -128 V SC 127 43 43 FIX(Depend on the inch) -128 H Parabolra 127 62 80 Adjust -128 Upper Corner 127 -5 -19 Adjust -128 Lower Corner 127 -5 -39 Adjust -128 Upper Corner 6 127 -4 0 FIX(Depend on the inch) -128 Lower Corner 6 127 -4 0 FIX(Depend on the inch) -128 H Trapezium 127 -3
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Alignment and Adjustments DEFLECTION : NTSC OFFSET Remark Item Min Max ET G/R -128 V Amp 127 -2 -2 FIX -128 V Shift 127 6 6 FIX -128 H EW 127 0 0 FIX 32 H Shift 180 14 14 FIX -128 V Linearity 127 -3 -3 FIX -128 V SC 127 0 0 FIX -128 H Parabolra 127 0 0 FIX -128 Upper Corner 127 0 0 FIX -128 Lower Corner 127 0 0 FIX -128 Upper Corner 6 127 0 0 FIX -128 Lower Corner 6 127 0 0 FIX -128 H Trapezium 127 0 0 FIX -128 Bow 127 0 0 FIX -128 Angle 127 0 0 FIX 2-6 Samsung Electronics
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Alignment and Adjustments Video Adjust 1 Remark Item Min Max ET G/R 0 R Cutoff 255 127 Adjust 127 0 G Cutoff 255 127 FIX 127 0 B Cutoff 255 127 Adjust 127 0 R Drive 255 127 Adjust 127 0 G Drive 255 127 FIX 127 0 B Drive 255 127 Adjust 127 0 Sub Bright 100 50 Adjust 50 0 Sub Contrast 63 55 Adjust 55 0 Sub Color 23 10 FIX(Depend on the country&CRT Drive) 2 0 Sub Tint 63 42 FIX 52 0 AKB Option 1 1 FIX 1 -128 BCL Threshold 127 16 FIX(Depend on the inch) 22 0 BCL Gain 255 240 FIX 240 0 BCL Time 25
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Alignment and Adjustments Video Adjust 2 Remark Item Min ET G/R Max VSU 0 115 2 2 FIX Melody Volume 0 20 10 10 FIX HB Start 0 255 159 159 FIX HB Stop 0 255 159 159 FIX RF AGC 0 15 1 4 FIX(Depend the Tuner) VM Gain 0 63 6 0 FIX(Depend on the CRT Drive AMP) VM Delay 0 15 4 0 FIX(Depend on the CRT Drive AMP) V_Peaking 0 15 6 0 FIX BLE Tilt 0 15 7 6 FIX BLE Gain 0 3 3 1 FIX BLE Mode 0 3 3 2 FIX BLE Break 0 7 7 1 FIX CTI Gain 0 15 15 0 FIX(Depend on the mode) CTI Coring 0 15 15 0 FIX(Depend on the
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Alignment and Adjustments Video Adjust 3 Remark Item Min Max ET G/R NR Off Value 0 31 0 3 FIX Gamma Mode 0 1 1 1 FIX Gamma Correction -128 127 30 75 FIX BST StartPoint 0 255 140 140 FIX BST GAIN(B) -128 127 50 50 FIX DPWL Gain 0 255 30 30 FIX DPWL Start 0 255 145 145 FIX PIP Contrast 0 15 10 10 FIX PIP Tint 0 63 63 63 FIX PIP Color 0 15 10 10 FIX PIP PAL V.Pos 0 255 24 24 FIX PIP NTSC V.Pos 0 255 23 23 FIX PIP H.Pos 0 255 39 39 FIX PIP R Cutoff 0 15 5 5 FIX(Depend on the CRT) PIP B Cutoff 0 1
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Alignment and Adjustments Option Initial CS29M6PQ CS25M20EQ CS29M20EQ NO. REMARK ITEM Asia Version Singapore Cis TSE 1 System CS CS CS CS CS / CZ / CW 2 Sound NICAM NICAM NICAM NICAM Line Stereo / A2 / NICAM / V-Dolby 3 CRT 4:3 4:3 4:3 4:3 4:3 / Wide 2RCA / 2RCA+S / 2RCA+DVD / 2RCA+S+DVD / 4 AV Jack 2RCA+S+DVD2RCA+S+DVD SCART+S 2RCA+S+DVD 2Scart / 2Scart+S 5 Auto FM On On On On On / Off 6 PIP Off 2-Tuner 1-Tuner 1-Tuner Off / 1-Tuner / 2-Tuner West Europe / East Europe / Russian / Greek-Turkey
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Alignment and Adjustments EEPROM EEPROM Factory Control Remark MIN INITIAL MAX SubAddress 0 Dynamic Contrast FIX 0 255 100 100 1 Dynamic Brightness FIX 0 255 45 45 2 Dynamic Sharpness FIX 0 255 75 75 3 Dynamic Color FIX 0 255 55 55 4 Dynamic Tint FIX 0 255 50 50 5 Standard Contrast FIX 0 255 80 80 6 Standard Brightness FIX 0 255 50 50 7 Standard Sharpness FIX 0 255 50 50 8 Standard Color FIX 0 255 50 50 9 Standard Tint FIX 0 255 50 50 10 Movie Contrast FIX 0 255 50 50 11 Movie Brightness FIX 0
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EEPROM Factory Control MIN MAX SubAddress 100 115 20 20 120 120 15 15 59 d/w -blanking 2 FIX 0 255 150 150 60 PIP G CUTOFF FIX 0 255 22 61 PIP G DRIVE FIX 0 255 125 125 62 OSD BRIGHT OFFSET FIX 0 255 31 31 63 OSD/PIP BRIGHT OFFSET FIX 0 255 85 85 64 MDB_STRENGTH FIX 0 255 68 68 65 MDB_HARMONIC FIX 0 255 37 37 66 MDB_HP FIX 0 255 99 67 MDB_LP FIX 0 255 11 11 68 MDB_LIM FIX 0 255 252 252 69 MDB_CUTOFF FIX 0 255 12 12 70 EHT POSITION 1 FIX 0 255 55 71 EHT POSITION 2 FIX 0 255 249 249 00 72 3.4CH S
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Exploded View & Parts List 3. Exploded View & Parts List 3-1 CW25M064NRXXEC You can search for the updated part code through ITSELF web site. No. Code No Description;Specification Q’ty S.N.A URL : http://itself.sec.samsung.co.kr CCM1 AA60-10050Q SCREW-MACHINE;-,SWRCH18A,M5,L26.5,HH,+,W 4 S.N.A CIS7 AA61-60003J SPRING ETC-CS;-,SUS304,-,-,OD6,N7,OD6,-, 1 S.N.A M0014 AA94-14728A ASSY PCB MAIN;CW25M064VRXXEC,SDIG,ELDOR, 1 T0003 AA63-00824A COVER-FRONT;25M06,HIPS,HB,SV012P,KS7A,SE 1 S.N.A T0015 A
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Electric Parts List You can search for the updated part code through ITSELF web site. URL : http://itself.sec.samsung.co.kr 4. Electrical Parts List 4-1 CW25M064NRXXEC Level Loc. No. Code No. Description ; Specification Remark Level Loc. No. Code No. Description ; Specification Remark ASSY CPT 1 M0045 AA92-08984A ASSY ACCESSORY;WS32A114VWXXEC,KS7A,ET S.N.A 1 T0521 AA91-08227A ASSY CPT;CW25M064VPXXEC,25,A59QDF891X99 S.N.A ..2 T0074 AA59-00312A REMOCON;DEEP IMPACT,TM75,36,TTX,EX,PAL ..2 BN68-005
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Electric Parts List Loc. No. Code No. Description ; Specification Remark Loc. No. Code No. Description ; Specification Remark ..2 M0014 AA94-14728A ASSY PCB MAIN;CW25M064VRXXEC,SDIG,ELDOR, ....4 H/S AA62-00057A HEAT SINK-PS;-,-,T1.0,-,41*20*60,D2,-,-, S.N.A ...3 0202-001366 SOLDER-WIRE FLUX;-,RS60S,D1.2,63Sn/37Pb, S.N.A ...3 D810 AA96-50132G ASSY HEAT SINK P;AA62-30062A,SCREW,FMC-G S.N.A ...3 T0083 0402-001296
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Electric Parts List Loc. No. Code No. Description ; Specification Remark Loc. No. Code No. Description ; Specification Remark ....4 T0156 0501-000389 TR-SMALL SIGNAL;KSC815,NPN,400mW,TO-92,T ....4 R125 2001-000534 R-CARBON;240OHM,5%,1/8W,AA,TP,1.8X3.2MM ....4 T0156 0501-000389 TR-SMALL SIGNAL;KSC815,NPN,400mW,TO-92,T ....4 R125 2001-000554 R-CARBON;270OHM,5%,1/8W,AA,TP,1.8X3.2MM ....4 T0156 0501-000389 TR-SMALL SIG
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Electric Parts List Loc. No. Code No. Description ; Specification Remark Loc. No. Code No. Description ; Specification Remark ....4 RV914 2004-000680 R-METAL;2Kohm,1%,1/8W,AA,TP,1.8x3.2mm ....4 C689 2202-000796 C-CERAMIC,MLC-AXIAL;1NF,10%,50V,Y5P,TP,3 ....4 RV909 2004-000869 R-METAL;3Kohm,1%,1/8W,AA,TP,1.8x3.2mm ....4 C689 2202-000796 C-CERAMIC,MLC-AXIAL;1NF,10%,50V,Y5P,TP,3 ....4 RV915 2004-000869 R-METAL;3Koh
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Electric Parts List Loc. No. Code No. Description ; Specification Remark Loc. No. Code No. Description ; Specification Remark ....4 C701 2401-002144 C-AL;47uF,20%,16V,GP,TP,5x11,5 ....4 L2514 3301-000287 BEAD-AXIAL;,3.5x1.0x6.0mm,3000mA,TP,,,50 ....4 C701 2401-002144 C-AL;47uF,20%,16V,GP,TP,5x11,5 ....4 FD802S 3601-001163 FUSE-AXIAL LEAD;125V,7A,-,EPOXY,2.4X7.1M ....4 C701 2401-002215 C-AL;2200uF,20%,25V,WT,TP,13x2
