ViewSonic E50C Service Manual
ViewSonic E50C Manual
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- ViewSonic E50C | Service Manual - Page 1
TXK2767X/XAA TXK2766X/XAA TXK2768X/XAA COLOR TELEVISION RECEIVER CONTENTS 1. Precautions 2. Reference Information 3. Specifications 4. Alignment and Adjustments 5. Troubleshooting 6. Exploded Views and Parts List 7. Electrical Parts List 8. Block Diagrams 9. Wiring Diagram 10. Schematic Diagrams - ViewSonic E50C | Service Manual - Page 2
ELECTRONICS © Samsung Electronics Co., Ltd. OCT. 2000 Printed in Korea 3KS2A(N)-2701 - ViewSonic E50C | Service Manual - Page 3
whenever they are serviced. (X-ray protection circuits also may be called "horizontal disable" or "hold-down".) Heed the high voltage limits. These include the X-ray Protection Specifications Label, and the Product Safety and X-ray Warning Note on the service data schematic. Samsung Electronics - ViewSonic E50C | Service Manual - Page 4
transformer is not used, these units may be safely serviced only if the AC power plug is inserted so that overheating, and correct any potential hazards. 1-2 15. Observe the original lead dress, especially near are critical for safety are indicated in the circuit diagram by shading, ( ) or ( ). - ViewSonic E50C | Service Manual - Page 5
Precautions" section of this manual. If some unforeseen circumstance creates a conflict between the servicing and safety precautions, always with an electrolytic capacitor. 3. Some components are raised above the printed circuit board for safety. An insulation tube or tape is sometimes used. The - ViewSonic E50C | Service Manual - Page 6
. 8. Immediately before removing the protective material from the leads of a replacement ESD, touch the protective material to the chassis or circuit assembly into which the device will be installed. 9. Minimize body motions when handling unpackaged replacement ESDs. Motions such as brushing clothes - ViewSonic E50C | Service Manual - Page 7
2. Reference Information 2-1 Tables of Abbreviations and Acronyms Table 2-1 Abbreviations A Ampere MV Ah Ampere-hour MW Å Angstrom MΩ dB Decibel m dBm Decibel Referenced to One µA Milliwatt µF °C Degree Celsius µH °F Degree Fahrenheit µm °K degree Kelvin µs F Farad µW - ViewSonic E50C | Service Manual - Page 8
Device CCTV Closed Circuit Television Ch Channel CRT Cathode Ray Tube CW High Fidelity IC Inductance-Capacitance IC Integrated Circuit IF Intermediate Frequency I/O L L LED LF MOSFET MTS NAB NEC NTSC OSD PCB PLL PWM QIF R RC RF Display Printed Circuit Board Phase-Locked Loop Pulse - ViewSonic E50C | Service Manual - Page 9
2-2 IC Line Up Table 2 - 3 IC Line - Up NO BOARD LOC. NO IC201S IC601 IC901 IC902 IC602 HIC201 IC301 Q401 D409 IC401 Q404 IC801S 1 MAIN D801S PC801S IC805 SPEC VDP3112B MSP3440D SDA555X KS24L161 TDA7297 DRGB001 LA7845 KSD5703 FMP-3FU KA393 IRF620 3S1265R RBV606 PC123Y KA78R05 - ViewSonic E50C | Service Manual - Page 10
Reference Information NO BOARD CRT 2 3 V-S/W 4 PIP LOC. NO IC501 IC502 IC503 QF04 QF05 ICS01 ICP01 Table 2 - 3 IC Line - Up SPEC DESCRIPTION TDA6101Q Video Output AMP R.G.B Drive 2SC2344 2SA1011 TEA6425 SDA9388X - ViewSonic E50C | Service Manual - Page 11
x 2CH Vitual Dolby Turbo Sound Pseudo Stereo Front (AV2) RCA Input S-VHS Head-Phone Jacks 2 AV Input Back DVD Input(YPbPr) AV2 Monitor Audio Output S-VHS Specifications are subject to change. Option Option Option Not Present R815 Option Option Option Option Option Samsung Electronics 3-1 - ViewSonic E50C | Service Manual - Page 12
MEMO 3-2 Samsung Electronics - ViewSonic E50C | Service Manual - Page 13
and Adjustments 4-1 General Alignment Instructions 1. Usually, a color TV-VCR needs only slight touch-up adjustment upon installation. Check the basic characteristics such as height, horizontal and vertical sync and focus. 2. Observe the picture for good black and white details. There should - ViewSonic E50C | Service Manual - Page 14
the center area of the screen. 4-5 SCREEN Adjustment 1. Input Toshiba Pattern 2. Enter "Service Mode".(Refer to "4-8-1 Service Mode") 3. Select "G2-Adjust". 4. Set the values as below. Table 1. Screen Adjustment Table No INCH / CRT IBRM WDRV CDL 1 14" / SDI 205 35 100 2 15PF / SDI 220 - ViewSonic E50C | Service Manual - Page 15
and Adjustments 4-6 E2PROM (IC902) Replacement 1. When IC902 is replaced, all adjustment data revert to the initial values. So, all adjustment values when servicing should be readjusted. 2. After IC902 is replaced, connect the AC power supply cord. 3. Turn the power switch ON. 4. In stand-by, warm - ViewSonic E50C | Service Manual - Page 16
to move the cursor in the adjustment parameters. Note : - When CRT, CRT PCB, FBT, E2PROM (sometimes MICOM) is replaced, the adjustment values should be controlled. - After the Service adjustment is completed, Do not select "Reset" in the service mode menu. (After above procedure is done, power is on - ViewSonic E50C | Service Manual - Page 17
12 0 0 3 -40 5 -2 -13 64(FIX) -20(FIX) -13(FIX) 13 69(FIX) 4 0 0 12 12 12 15" FLAT CT-15A8 0 0 3 -35 20 -4 -13 64(FIX) -20(FIX) -13(FIX) 13 69(FIX) 13 0 0 58 8 10 100 3 27V 1R TXK2750 TXK2754 20V 1R TXK2060 TXK2066 TXK2067 15" FLAT CT-15A8 127 127 127 127 127 127 127 127 127 127 127 - ViewSonic E50C | Service Manual - Page 18
Alignment and Adjustments 4-8-2(B) SCREEN CHANGE (I2C BUS GEOMETRIC ADJUSTMENT) 1 V Shift 6 V Amp 2 V Slope 7 V SC 3 H EW 8 H Trapizium 4 H Parabola 5 H Corner 9 H Symmetry 10 H Shift 4-6 Samsung Electronics - ViewSonic E50C | Service Manual - Page 19
70 58 8 10 100 3 27V 1R TXK2750 TXK2754 20V 1R TXK2060 TXK2066 TXK2067 15" FLAT CT-15A8 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 100 114 110 52 52 52 50 50 67 70 30 15 58 70 40 8 8 8 10 10 13 100 100 120 3 3 4 Note 1. Beam - ViewSonic E50C | Service Manual - Page 20
TTIIMMEE 0 EHT VERTICAL DTI CORING DTI GAIN DDTTII BBAANNDD EHT OFFSET EHT HORIZONTAL 27V 1.3R 23V 1.3R 25V 1R 27V 1R 20V 1R 15" FLAT TXK2767 CL25D4W TXK2550 TXK2554 TXK2566 TXK2567 CL663BW TXK2750 TXK2754 TXK2060 TXK2066 TXK2067 CT-15A8 FIX 50 50 FIX 8 8 FIX 4 4 FIX 31 31 - ViewSonic E50C | Service Manual - Page 21
7 4 74 6 8 7 74 7 VELO30C0ITY CORING ACC-REF ACC2R00 FIX6 8 20 FIX10 21 FIX1124 10 10 10 10 range=256...511 12 20 14 20 20 Slope 2 [0...15] 21 21 21 0 20 0 20 0 0 21 0 21 0 74 74 So7ft Limit Slope B7 ✐ 74 "Soft7 Limit" is that Limitting 10 10 the1p0eak white without 20 - ViewSonic E50C | Service Manual - Page 22
127 112277 112277 112277 117207 110207 51270 5100 7502 6500 970 560 259 35 25 3 15" FLAT 15" FLAT 1C5L" 1F5LAA8T CL15A8 CL15A8 0 00 02 2-35 -3520 20-4 -4-6 -2604(-F( 45 25 4 25" FLAT 25" FLAT 25" FLAT CL25A6 CL25A6 0 00 03 3-50 -50-15 -15-2 -2 -6 -610 10-20 -20-60 -6013 1369 69-27 -27 0 00 0 12 - ViewSonic E50C | Service Manual - Page 23
1140 110 1314 011 03 1270 70 1227 207 212 20 21 15" FLAT 15" FLAT 1C5LC" 1LF51LA5AA8T8 CL15A8 50 508 84 431 313 30 00 08 860 600 01 11 10 00 0 15" FLAT 1C51L"51"F5LFAAL8AT T CLC12L5154A55A8 8 252555 04 2055 1140 110 1314 011 03 740 - ViewSonic E50C | Service Manual - Page 24
TX2K72V7618.3R TX1K082768 0108 00 -220 8-22 18 OOOOFFOOFFFFFFFFSSFFSS7EESSEETT1EETTTT 57 75 275/295735FL 27257/259/52915.23F5LFL 275/295 1.2FL 15" FLAT 15" FLAT CL1155"AF8LAT CL15A8 C1L1105A8 0110 00 80 -10 8 1-10 OOOOFFOOFFFFFFSSFFSS7FFEEEESSTT1TTEETT 57 75 275/295795FL 2752/7259/52925.09F5LFL 275 - ViewSonic E50C | Service Manual - Page 25
Time LED 1 I/O 2 I/O 3 IO 4 I/O 5 I/O 6 I/O 7 I/O 8 I/O 9 10 11 12 13 14 15 ADC 16 ADC 17 ADC 18 ADC 19 20 21 I/O 22 I/O 23 I/O 24 I/O 25 I/O 26 I/O PWM 52 51 Y VDD 3.3V GND VDD 2.5V CORE OSD-B OSD-G OSD-R VDD 2.5V GND X-TAL Out X-TAL In MICOM Reset N.C. N.C. VDD 3.3V GND N.C. Relay - ViewSonic E50C | Service Manual - Page 26
6 I/O Main SCL 7 I/O Sound Reset 8 I/O Video Reset 9 Vdd VDD 2.5V 10 GND 11 Vdd VDD 3.3V 12 CVBS CVBS Input 13 Vdd VDD 2.5V 14 GND 15 ADC AFT 16 ADC SC1-ID 17 ADC SC2-ID 18 ADC Key1 19 HS H-Sync 20 VS V-Sync 21 I/O Key3 22 I/O Key2 23 I/O X-Ray - ViewSonic E50C | Service Manual - Page 27
50 I/O 51 N.C. 52 I/O ASSIGN Relay VDD 3.3V Reset X-TAL In X-TAL Out VDD 2.5V OSD-R OSD-G OSD-B CORE VDD 2.5V VDD 3.3V PX.Y PX.Y S-Mute Power IN/OUT Out In In Out Out Oscillation Output Analog Ground Analog B+ OSD/TTX Output (Red) OSD/TTX Output (Green) OSD/TTX Output (Blue) Fast Blank/Half - ViewSonic E50C | Service Manual - Page 28
MEMO 4-16 Samsung Electronics - ViewSonic E50C | Service Manual - Page 29
5-1 No Power Troubleshooting Disconnect the Power Cord Check Power LED LED ON Check IC901 Normal Pin 5 6 , 805 Replace IC902 Normal Check SCL, SDA Line Check Q401 and Horizontal Circuit Normal Check FBT and B+(130V) Normal Replace FD803 Check IC801, D801 FUSE Samsung Electronics 5-1 - ViewSonic E50C | Service Manual - Page 30
Troubleshooting 5-2 No Raster (Sound OK) Check Fusible Resistance No Raster (Sound OK) Abnormal Check voltage of heater Normal Check RK,GK,BK Signal Abnormal Check R.G.B Signal output from input to CRT PCB CRT PCB Check the fusible resistance of abnormal volatge line Abnormal Normal - ViewSonic E50C | Service Manual - Page 31
5-3 No Sound Troubleshooting No Sound Normal Check Speaker and Wire Check the signal output Abnormal from CN601, 602 Pins Check Abnormal the signal input to IC602 pins 4 ,12 - ViewSonic E50C | Service Manual - Page 32
Troubleshooting 5-4 Horizontal Lines Appear on screen Horizontal Lines Apper on screen Normal Normal Check/Replace IC301 Check the VDP Signal output from IC201 Pin 31 Abnormal - ViewSonic E50C | Service Manual - Page 33
-30113A CLAMP-D,COIL 2-2 AA60-10050R SCREW-ASSY 2-3 3704-001105 SOCKET-CRT 3 AA64-01295A CABINET BACK 3-1 6002-000514 SCREW-TAPPING 3-2 AA39-10007Y POWER-CORD Specification Q'ty ;HIPSVOBLKBK708P 1 ";AL,SS,R2000,25,SILVER CT-633 1 ;ABSHBBLK 1 ;-,-,SUS304,0.5,OD6,H 1 ;RH,+,2,M4,L15,ZP - ViewSonic E50C | Service Manual - Page 34
,AA94-02634A-AASSY-PCB,MAIN(COM);KS2A,27,SECA,TXK2750 ASSY ACCESSORY * AA97-00708AASSY ACCESSORY;-,CT25B3,25,KS2A,SECA AA68-01185A MANUAL USERS;-,-,FRE,B5,W/P100(G),-,-,-, REMOCON * AA59-10113HREMOCON;DP,TM59,-,-,-,-,-,AA59-10110H, ASSY-CABINET;(COM) * AA92-00587AASSY-CABINET;(COM);KS2A,TXK27 AA64 - ViewSonic E50C | Service Manual - Page 35
Electrical Parts List 7-3 TXK2754X/XAA Level Loc. No. Code No. Description ; Specification Remark Level Loc. No. Code No. Description ; Specification Remark ASSY-PCB,MAIN(OPT) A/MAIN AA94-02603A ASSY-PCB,MAIN(OPT);KS2A,27,SEA,TXK2754 02VER AA41-00132C PCB;CT21A8,FR-1,1L,C,1.6T,330x245, A/MAIN ( - ViewSonic E50C | Service Manual - Page 36
Electrical Parts List Level Loc. No. Code No. Description ; Specification Remark Level Loc. No. Code No. Description ; Specification Remark C838 C839 C840 C841 C843 C901 C902 C904 C905 C907 C908 C910 C911 C913 C914 C915 C916 C917 C918 C919 C920 C921 CG501 CG502 CG503 CN501B CN501B CN502B CN601 - ViewSonic E50C | Service Manual - Page 37
820OHM,5%,1/8W,AA,TP, INDUCTOR-AXIAL;10UH,10%,2.5X3. ASSY-LED,GUIDE;-,-,SL255D,RED/GRN COIL LINEARITY;-,50uH,DR14x20,11mm,18x38 FILTER-LINE NOISE 260V FILTER-LINE NOISE;-,16MH,1.5A,AC100~260V THERMISTOR NTC;4.7OHM,15%,2900K,35.0MW,T POSISTOR;PTH631D02BF7ROM140TDE PHOTOCOUPLER;TR,130-260%,200MW ASSY - ViewSonic E50C | Service Manual - Page 38
2001-001015 RR06S 2001-000977 RR07S 2001-000290 RR08S 2001-000429 RR09S 2001-000780 RR10S 2001-000290 RR430S 2001-001088 RW1/FCC 2201-000354 RW1/OSD 2301-000301 RW2/FCC 2401-000603 RY802S 2002-001013 R-CARBON;100KOHM,5%,1/8W,AA,TP R-CARBON;100KOHM,5%,1/8W,AA,TP R-CARBON;33KOHM,5%,1/8W,AA,TP - ViewSonic E50C | Service Manual - Page 39
WIRE;NYLON 66,V2,NTR,25MM,ALL MODE SUPPORT-HEAT-SINK;21A9,ABS,HB,GRAY SWITCH-TACT MANUAL USERS;ENGLISH,W/P100,KS2A,-,-,-,- ASSY-CRT A/CRTP AA94-50018F ASSY-CRT;A68ADT25X01,+380MG,29,TCE CRT AA03-10026A CRT AA64-70117B BADGE-BRAND;AL,SS,R2000,25,SILVER CT-633 L3113-0003-011 BOSS-CABINET;HIPSVOBLKCT - ViewSonic E50C | Service Manual - Page 40
-001114 IC-VIDEO SWITCH;TEA6425,VIDEO SWITCH ,DI 2401-002009 C-AL;100UF,20%,16V,GP,TP,6.3X 3711-002704 PINHEADER;YFAW-025-106(6PIN2.5MM)15.0X 3711-002706 PIN-HEADER;YFAW025-108(8PIN2.5M/M)20.0 AA41-00153D PCB-VIDEO SWITCH;CS29A6,FR-1,1L,D,1.6T,2 AA97-00726A-AASSY-VIDEO S/W;-,CS7202GT7C/EGC - ViewSonic E50C | Service Manual - Page 41
Electrical Parts List 7-6 TXK2766X/XAA Level Loc. No. Code No. Description ; Specification Remark Level Loc. No. Code No. Description ; Specification Remark ASSY-PCB,MAIN(OPT) A/MAIN AA94-02646A ASSY-PCB,MAIN(OPT);KS2A,27,TXK2766 02VER C/WIRE1 C102 C103 C104 C105 C106 C115 C116 C201 C202 C211 - ViewSonic E50C | Service Manual - Page 42
DIODE-ZENER;UZ39BSB,35.36-37.19V,500MW,D DZ306 0403-000700 DIODE-ZENER;TZP33A,33V,31-35V, DZ401 0403-001325 DIODE-ZENER;MTZJ15C,14.35-15.09V,500mW,D DZ402 0401-000005 DIODE;1N4148,100V,300mA,,1V,8nS,TAPING DZ501 0403-001211 DIODE-ZENER;MTZJ12B,11.44-12.03V,500MW,D DZ502 0403 - ViewSonic E50C | Service Manual - Page 43
2701-000114 INDUCTOR-AXIAL;10UH,10%,2.5X3. AA96-30006A ASSY-LED,GUIDE;-,-,SL255D,RED/GRN AA27-00075A COIL LINEARITY;-,50uH,DR14x20,11mm,18x38 AA29 LINE NOISE;-,16MH,1.5A,AC100~260V 1404-001045 THERMISTOR NTC;4.7OHM,15%,2900K,35.0MW,T 1404-000208 POSISTOR;PTH631D02BF7ROM140TDE 0604-001038 PHOTOCOUPLER - ViewSonic E50C | Service Manual - Page 44
Electrical Parts List Level Loc. No. Code No. Description ; Specification Remark Level Loc. No. Code No. Description ; Specification Remark R408 R409 R410 R411 R412 R413 R414 R415 R417 R418 R420 R421 R424 R425 R426 R427 R428 R429 R432 R433 R434 R436 R437 R438 R440 R441 R501 R502 R503 R504 R505 - ViewSonic E50C | Service Manual - Page 45
;20PF,5%,50V,NPO RW1/OSD 2301-000301 C-FILM,PEF MANUAL USERS;ENGLISH,W/P100,KS2A,-,-,-,- ASSY-CABINET,FRONT A/FRNT AA92-30240A1 ASSY-CABINET,FRONT;CT27B7,VO,KS2A,UCX BADGE CDCOIL CRT+CF CW CWS D-COIL DRESB F/C IL AA64-70117B BADGE-BRAND;AL,SS,R2000,25,SILVER L12,ZPC(YEL) SUPPORT-CRT;-,HIPS,VO,BLK - ViewSonic E50C | Service Manual - Page 46
Electrical Parts List 7-7 TXK2768X/XAC (TXK2768X/XAC and TXK2768X/XAA Dissimilar Parts) Level Loc. No. Code No. Description ; Specification Remark Level Loc. No. Code No. Description ; Specification ASSY-CABINET,FRONT AA92-30240B1ASSY-CABINET,FRONT;CT27B7,VO,KS2A.CCX AA92-00408A ASSY CABINET(COM - ViewSonic E50C | Service Manual - Page 47
Electrical Parts List Level Loc. No. Code No. Description ; Specification Remark Level Loc. No. Code No. Description ; Specification Remark C617 2401-000493 C-AL;10UF,20%,50V,WT,5X11MM,5M C620 2305-000665 C-FILM;104J, 60V,5MM TAPING C621 2401-001998 C-AL;1000UF,20%,25V,GP,TP,10X20 C622 2401- - ViewSonic E50C | Service Manual - Page 48
37.19V,500MW,D DIODE-ZENER;TZP33A,33V,31-35V, DIODE-ZENER;MTZJ15C,14.35-15.09V,500mW,D DIODE;1N4148,100V,300mA,,1V,8nS,TAPING DIODE-ZENER;MTZJ12B,11.44- 820OHM,5%,1/8W,AA,TP, INDUCTOR-AXIAL;10UH,10%,2.5X3. ASSY-LED,GUIDE;-,-,SL255D,RED/GRN COIL LINEARITY;-,50uH,DR14x20,11mm,18x38 FILTER-LINE NOISE;-, - ViewSonic E50C | Service Manual - Page 49
Electrical Parts List Level Loc. No. Code No. Description ; Specification Remark Level Loc. No. Code No. Description ; Specification Remark Q911 QR01S QR02S R102 R103 R105 R106 R201 R202 R203 R204 R205 R206 R207 R208 R209 R210 R211 R212 R213 R214 R215 R216 R217 R218 R219 R220 R221 R222 R228 R229 - ViewSonic E50C | Service Manual - Page 50
TP,3.7 CLAMP-WIRE;NYLON 66,V2,NTR,25MM,ALL MODE SUPPORT-HEAT-SINK;21A9,ABS,HB,GRAY SWITCH-TACT;15V,20MA ,AC90-260 TUNER-F/S;TCPN3081PA09A(S),NTSC,TR,181CH SOCKET-CRT;11P,20PI,26.5PI,NI,VARISTOR;560V,2500A, BATTERY-MN;1.5V,-,AA I/B AA68-01218A MANUAL USERS;ENGLISH,W/P100,KS2A,-,-,-,- ASSY-CABINET,FRONT - ViewSonic E50C | Service Manual - Page 51
WIN+CF 6002-000514 wr AA64-40524A BADGE-BRAND;AL,SS,R2000,25,SILVER CT-633 CLAMP-D,COIL;NYLON66,V2,BLK,TVI25~29,SCREW-ASSY;WC,HH,+ LEAD-CONNECTOR,ASSY;-,YSH025-0 SCREW-ASS'Y TAPT;WP,BH,+,M4,L12,ZPC(YEL) SUPPORT-CRT;-,HIPS,VO,BLK,-,-, SPEAKER;6W,8OHM,90DB,140HZ SCREW-TAPPING;RH,+,2,M4,L15,ZP - ViewSonic E50C | Service Manual - Page 52
8. Block Diagrams 8-1 Power Diagram Samsung Electronics Schematic Diagrams 8-1 - ViewSonic E50C | Service Manual - Page 53
Schematic Diagrams 8-2 Block Diagram 8-2 Samsung Electronics - ViewSonic E50C | Service Manual - Page 54
Wiring Diagram 9. Wiring Diagram CN06A L+ L- R+ R - FRONT AV PCB TO SPEAKER CN05A L + L - G R- R+ VO G CN01A VI G LO RO LI RI GT804 CN501A B Out G Out R Out Sense 8V GND CN502A +16V G Heat - ViewSonic E50C | Service Manual - Page 55
MEMO 9-2 Samsung Electronics - ViewSonic E50C | Service Manual - Page 56
10. Schematic Diagrams 10-1 MAIN 1/4 (WITH EW) TP01 Samsung Electronics TP09 TP08 TP02 TP07 TP10 TP06 TP05 TP03 TP04 Schematic Diagrams TP07 TP01 TP08 TP02 TP09 TP03 TP10 TP04 TP05 TP06 : Power Line : Signal Line 10-1 - ViewSonic E50C | Service Manual - Page 57
Schematic Diagrams 10-2 MAIN 2/4 TP12 TP13 TP11 TP14 TP15 10-2 TP11 TP12 TP13 TP14 TP15 : Power Line : Signal Line Samsung Electronics - ViewSonic E50C | Service Manual - Page 58
10-3 MAIN 3/4 TP16 TP18 TP17 TP19 TP23 TP22 TP21 TP20 Samsung Electronics TP24 Schematic Diagrams TP22 TP16 TP23 TP17 TP24 TP18 TP25 TP19 TP20 TP25 TP21 : Power Line : Signal Line 10-3 - ViewSonic E50C | Service Manual - Page 59
Schematic Diagrams 10-4 MAIN 4/4 TP26 TP27 TP28 TP29 TP30 TP33 TP32 TP31 10-4 TP35 TP34 TP32 TP26 TP33 TP27 TP34 TP28 TP35 TP29 TP30 TP31 : Power Line : Signal Line Samsung Electronics - ViewSonic E50C | Service Manual - Page 60
10-5 POWER (W/O -EW) Samsung Electronics Schematic Diagrams 10-5 - ViewSonic E50C | Service Manual - Page 61
Schematic Diagrams 10-6 PIP 10-6 Samsung Electronics - ViewSonic E50C | Service Manual - Page 62
10-7 VIDEO SWITCH Samsung Electronics Schematic Diagrams 10-7
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COLOR TELEVISION RECEIVER
Chassis :
KS2A(N)
Model
:
TXK2750X/XAC
TXK2754X/XAC
TXK2754X/XAA
TXK2767X/XAA
TXK2767X/XAC
TXK2766X/XAA
TXK2768X/XAC
TXK2768X/XAA
COLOR TELEVISION RECEIVER
CONTENTS
Precautions
Reference Information
Specifications
Alignment and Adjustments
Troubleshooting
Exploded Views and Parts List
Electrical Parts List
Block Diagrams
Wiring Diagram
Schematic Diagrams
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.