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SERVICE MANUAL

CTW3270

32” WIDE CTV

Effective: DEC01

CTW3270SERV

Summary of Contents for CT-W3270

Page 1: ...SERVICE MANUAL CTW3270 32 WIDE CTV Effective DEC01 CTW3270SERV ...

Page 2: ...CIP3250 13 14 SDA9400 14 15 DDP3310 15 16 AK28 CHASSIS MANUALADJUSTMENTS PROCEDURE 17 PRELIMINARY 17 SYSTEM VOLTAGEAJUSTMENT 17 AFCADJUSTMENT 17 FOCUSADJUSTMENT 17 SCREENADJUSTMENT 17 IFADJUSTMENT FOR L MODE 17 AK28 CHASSIS PRODUCTION MODE ADJUSTMENTS PROCEDURE 18 PRELIMINARY 18 HORIZONTALAND VERTICALGEOMETRY ALIGNMENTS 18 V SHIFT 18 V SIZE 18 H SHIFT 18 H SIZE 18 S COR 18 LINRT 18 ANGLE 18 BOW 18...

Page 3: ...Ground Blue 6 Audio left input 0 5Vrms 10K 6 Audio left input 0 5Vrms 10K 7 Blue input 0 7Vpp 75ohm 7 Blue input 0 7Vpp 75ohm 8 AV switching input 0 12VDC 10K 8 AV switching input 0 12VDC 10K 9 Ground Green 9 Ground Green 10 10 11 Green input 0 7Vpp 75ohm 11 12 12 13 Ground Red 13 Ground Red 14 Ground Blanking 14 Ground Blanking 15 Red input 0 7Vpp 75ohm 15 16 Blanking input 0 0 4VDC 1 3VDC 75ohm ...

Page 4: ... n Synchronization and Fixed Frequency Facility n Over and Under voltage Lockout n Switch Off at Mains Under voltage n Mains Voltage Dependent Fold Back Point Correction n Low Power Consumption n Free usable Fault Comparators Pinning 1 OTC Off Time Circuit 2 PCS Primary Current Simulation 3 RZI Regulation and Zero Crossing Input 4 SRC Soft Start and Regulation Capacitor 5 OCI Opto Coupler Input 6 ...

Page 5: ...r AGC current 2mA 11 Available tuner AGC current Min 0 3V Max 13 5V 12 Video output Min 1 8V Max 2 2V 13 Standard switch Min 0V Max 0 8V 14 L switch Min 0V Max 3 0V 15 IF gain control range 65dB 16 Ground 17 Internal reference voltage 18 FPLL and VCO Min 1mA Max 4mA 19 AFC switch Min 0V Max 0 8V 20 FPLL and VCO Min 1mA Max 4mA 21 FPLL and VCO Min 1mA Max 4mA 22 AFC output 0 7 mA kHz 23 DC supplay ...

Page 6: ... necessary for tuning the open loop frequency of the internal PLL and for stabilising the frequency in closed loop operation The higher the capacitors the lower the clock frequency result The nominal free running frequency should match the centre of the tolerance range between 18 433 and 18 431Mhz as closely as possible By means of standardised I2S interface additional feature processors DPL35xx D...

Page 7: ...rt input 1 in left 65 I S2 data input 32 Analog Shield Ground 2 66 Digital ground 33 Scart input 2 in right 67 Digital power supply 5V 34 Scart input 2 in left 68 ADR clock DOLBY PRO LOGIC PROCESSOR IC DPL3519A The IC DPL3519A processor family is designed to decode Dolby encoded surround sound The IC integrate the complete Dolby Surround Pro Logic decoding on chip without any necessary external ci...

Page 8: ...s n Wide temperature range n No switch ON OFF clicks n Excellent power supply ripple rejection n Low power consumption n Short circuit resistant n High performance high signal to noise ratio high slew rate low distortion n Large output voltage swing Pinning 1 OutputA Voltage swing Min 0 75V Max 4 25V 2 Inverting inputA Vo clip Min 1400mVrms 3 Non inverting inputA 2 5V 4 Ground 5 Non inverting inpu...

Page 9: ...ax 3mA 9 Vcc 12V 10 Input Max 2Vpp Input Current 1mA Max 3mA 11 Input Max 2Vpp Input Current 1mA Max 3mA 12 Ground 13 Output 5 5Vpp Min 4 5Vpp 14 Output 5 5Vpp Min 4 5Vpp 15 Output 5 5Vpp Min 4 5Vpp 16 Output 5 5Vpp Min 4 5Vpp 17 Output 5 5Vpp Min 4 5Vpp 18 Output 5 5Vpp Min 4 5Vpp 19 Ground 20 Input Max 2Vpp Input Current 1mA Max 3mA VIDEO OUTPUT AMPLIFIER STAGE TDA6111Q The TDA6111Q is a video o...

Page 10: ...chitecture and instruction set are based upon that of the 8051 microcomputer Like the 8051 has many features which increase programming ease extended internal data memory space variable manipulation in internal data memory free stack location in data RAM 4 register banks special function registers memory mapped I O individually addressable bits and a Boolean processor give the programmer the abili...

Page 11: ...nstruction cycle at 12 MHz internal clock rate 8 data pointer registers n Serial interface Full duplex UART interface I C compatible interface SDA 30C264 only n On Chip RAM Direct byte and bit addressability Four register banks 256 bytes of data memory including 128 user defined software flags 2048 bytes of data memory accessible with MOVX instructions SDA 30C263 1024 bytes n External Program Memo...

Page 12: ...ersion n Output unlatched at cycle and allows two dimensional chip selection n Read writes read modify write CAS before RAS refreshes RAS only refresh hidden refresh and test mode capability n All inputs and outputs TTL compatible n 1024 refresh cycles 16 ms n 1024 refresh cycles 128 ms Low Power Version only n Plastic Packages P SOJ 26 20 5 with 300mil width EPROM ST27C2001 The ST27C2001 is 2097 ...

Page 13: ...IC has four composite one SVHS input and one composite output which is used for teletext InAK28 the main video input is Vin2 which is also used for luma input in SVHS applications After switching the inputs the signals are converted to digital via two 8 bit ADCs And these digital data are processed to produce the 4 2 2 formatted digital YUV signals The main features are multi standard color decodi...

Page 14: ...Top Analog 34 Ground CIP3250 The IC is used to interface the analog input which is output from the PIP module SCART RGB or PIP RGB As can be seen from the block diagram there is a CT BR SAT block which is used for luma contrast brightness hue and color saturation correction The soft mixer is controlled by the fast blank signal Features n analog input for RGB or YUV and Fast Blank n triple 8 bit an...

Page 15: ...Voltage 5 V SDA9400 SDA9400 converts the scan rate from 50 60 Hz to 100 120 Hz Features Two input data formats 4 2 2 luminance and chrominance parallel 2 x 8 wires ITU R 656 data format 8 wires Two different representations of input chrominance data 2 s complement code Positive dual code Flexible input sync controller Flexible compression of the input signal Digital vertical compression of the inp...

Page 16: ...ster External synchronization by backend IC possible e g split screen for one TV channel with joint lines and one PC VGA channel Signal manipulations Insertion of coloured background Vertical and or horizontal windowing with four different speed factors Flash generation for supervising applications motion flag readable by I C bus Still frame or field Support of split screen applications Multiple p...

Page 17: ...ncy doubling two I2C controlled PWM outputs beam current limiter Pinning 1 Supply Voltage 28 Sup Volt Analog Back end 2 Gnd Output Pin Driver 29 VRD BCS DAC Ref Beam Current Safety 3 Additional VSYNC input 30 Fast Blank1 Input 4 Read counter Reset 31 Analog Red1 Input 5 FIFO Read Enable 32 Analog Green1 Input 6 FIFO Write Enable 33 Analog Blue1 Input 7 FIFO Write counter Reset 34 Fast Blank2 Input...

Page 18: ...lts TV should automatically tune to a station when search tuning is activated D FOCUS ADJUSTMENT Inputs AC power PAL B G test pattern via RF input Outputs Picture tube drive Display Picture Action Select TV mode and tune to the signal Adjust focus potentiometer the upper pot on the rear side of the FBT transformer for optimum focusing drive E SCREEN ADJUSTMENT Inputs AC power PAL B G Colour Bar te...

Page 19: ...est pattern is horizontally in equal distance both to right and left sides of the picture tube Check and readjust H SHIFT item if the adjustment becomes improper after some other geometric adjustments are done 4 H SIZE Adjust H WIDTH item by pressing cursor left and or cursor right buttons till no under scan condition will happen i e no white bars on the left and right side of the test pattern wil...

Page 20: ...d BGn by cursor up and or cursor down buttons and change the values by cursor left and or cursor right buttons till the following values are read X 285 10 Y 293 10 on the colour analyser 2 RRf GRf BRf Set the values of these items as 62 constant 3 YDF Apply COLOUR BAR test pattern Select YDF item cursor up and or cursor down buttons Adjust YDF by pressing cursor left and or cursor right buttons ti...

Page 21: ...of the PIP frame edges of the PIP EHTHP EHT compensation coefficient for horizontal phase EHTHTC EHT time contant for horizontal phase compensation EHTH EHT compensation coefficient for horizontal amplitude EHTV EHT compensation coefficient for vertical amplitude EHTV TC time contant for control of vertical and horizontal amplitude EHT compenzation 0 means off OSD LEVEL contast level of the OSD IN...

Page 22: ...016405 ON OFF AS 110 28 29 2 2 AU W MAKARON 1 000 20021028 MD ASY TB8270 71 3 3250 51 5SW AK18 1 000 20040575 CHASSIS FRAME AK28 I 1 000 20040684 BACK DOOR AK28 I 1 000 20050372 LENS 3250 I 1 000 20050376 LENS LED 3250 51 I 1 000 20051793 MD ASY BSVM28 BEAM SCAN VM 1 000 20053145 MD ASY DS28 FAV HP BAV SVHS VD 1 000 20055386 MD ASY FB28 FEATURE BOX 28 FB28 1 1 000 20063054 CN ASY 28 DIODE BYM26D F...

Page 23: ...1147 1 000 20072007 IC 24LC32 0591221622121 1 000 20072606 R C 2100 TEAC RC 847 S SILVER P 1 000 20072607 LBL BCK CVR TEAC AU TEAC CTW 3270S AK28 1 000 20075205 FRONT 3250FAV W H UL SILVER P VIR DO S 1 000 20075897 MD ASY SB28T HP SVHS AK28 1 000 20075922 MD AS FAV19 STR 7216 71 AK28 SVHS OLDUÐU 1 000 20078330 BUTTON FUNCTION 3250 PLATABLE I 1 000 20078331 BUTTON ON OFF 3250 PLATABLE I SM BASKI 1 ...

Page 24: ...C592 C620 2 000 C256 C203 30000094 CAP MKT 220NF 275V M AC 1 000 C112 30000098 CAP MKT 3 3NF 63V J 1 000 C100 30000100 CAP MKT 330NF 63V J 2 000 C555 C559 30000109 CAP MKT 470NF 63V J 1 000 C411 8 000 C518 C519 C522 C523 C524 C525 C527 C528 4 000 C035 C078 C079 C25 30000131 CAP MKP 100NF 250V J 1 000 C111 30000134 CAP MKP 11NF 2000V 3 5 1 000 C211 30000137 CAP MKP 15NF 630V J 1 000 C212 30000140 C...

Page 25: ...C380 30000296 CAP CER 100NF 100V Z F 1 000 C955 30000330 CAP CER 4 7NF 50V K B 1 000 C916 30000345 CAP EL 10UF 50V M 1 000 C952 7 000 C204 C316 C330 C402 C455 C450 C506 3 000 C531 C532 C533 19 00 0 C102 C021 C022 C024 C026 C027 C028 C036 C037 C074 C075 C076 C077 C080 C081 C082 C098 C099 C108 30000348 CAP EL 10UF 160V M 1 000 C954 30000350 CAP EL 10UF 250V M 1 000 C223 30000352 CAP EL 100UF 16V M 2...

Page 26: ...000 C146 C225 C251 C147 1 000 C921 30000360 CAP EL 1000UF 25V M 4 000 C140 C228 C201 C254 30000362 CAP EL 1UF 50V M 5 000 C207 C801 C802 C499 C803 1 000 C579 1 000 C638 30000371 CAP EL 22UF 50V M 1 000 C391 2 000 C101 C408 10 00 0 C516 C521 C621 C622 C623 C624 C626 C627 C628 C629 2 000 C039 C041 30000375 CAP EL 220UF 16V M 1 000 C323 30000384 CAP EL 2 2UF 50V M 4 000 C328 C332 C412 C403 Page 5 of ...

Page 27: ...0 30000400 CAP EL 47UF 50V M 2 000 C320 C440 2 000 C386 C383 30000406 CAP EL 47UF 250V M HR 1 000 C923 30000407 CAP EL 470UF 16V M 4 000 C501 C505 C551 C552 1 000 C570 30000409 CAP EL 470UF 25V M 3 000 C133 C804 C806 30000413 CAP EL 4 7UF 50V M 2 000 C220 C307 1 000 C393 30000415 CAP EL 4 7UF 250V M 1 000 C216 1 000 C208 1 000 C915 30000426 CAP EL 6 8UF 50V M BPL 1 000 1 000 Page 6 of 22 ...

Page 28: ...0 R105 30000459 RES CF 1 4W 100R J 2 000 R140 R323 2 000 R391 R392 30000466 RES CF 1 4W 1K J 1 000 R929 3 000 R490 R245 R230 30000471 RES CF 1 4W 10K J 2 000 R101 R102 1 000 R141 1 000 R932 30000477 RES CF 1 4W 100K J 3 000 R922 R923 R924 2 000 R250 R251 30000531 RES CF 1 4W 15K J 1 000 R806 30000535 RES CF 1 2W 150K J 1 000 R920 30000536 RES CF 1 4W 150K J 1 000 R128 30000564 RES CF 1 4W 18K J 1 ...

Page 29: ...0000718 RES CF 1 4W 4 7K J 1 000 R802 8 000 R310 R325 R326 R329 R358 R236 R801 R480 30000723 RES CF 1 4W 47K J 4 000 R307 R305 R306 R334 30000729 RES CF 1 4W 470K J 1 000 R238 30000734 RES CF 1 4W 4 7R J 4 000 R812 R808 R819 R820 30000784 RES CF 1 4W 680K J 1 000 R242 30000788 RES CF 1 4W 6 8M J 1 000 R918 30000808 RES CF 1 4W 82R J 2 000 R103 R105 30000855 RES MF 1 4W 1M F 1 000 R103 30000885 RES...

Page 30: ... 000 R206 30001125 RES MO 2W 2 2K J 1 000 R916 30001134 RES MO 2W 2 2R J 1 000 R255 30001162 RES MO 1W 390R J 1 000 R226 1 000 R256 30001170 RES MO 1W 4 7K J 1 000 R917 30001171 RES MO 2W 4 7K J 1 000 R225 1 000 R116 30001192 RES MO 1W 680R J 3 000 R905 R910 R915 30001207 RES FUSE 1 4W 10R J 1 000 R535 30001211 RES FUSE 1W 1K J 1 000 R944 30001213 RES FUSE 1 4W 1R J 1 000 R262 30001220 RES FUSE 1W...

Page 31: ...0 PTC 9 OHM 1 000 R109 30001279 LED RED GREEN LTL293SJ 1 000 LD101 30001284 DIODE 1N4148 3 000 D001 D002 D003 1 000 D907 1 000 D502 2 000 D951 D952 3 000 D101 D119 D220 30001291 DIODE HER107 8 000 D120 D201 D208 D209 D212 D213 D218 D219 30001299 DIODE UF5404 3 000 D111 D210 D211 30001301 DIODE BYM26D 1 000 30001302 DIODE BYW29 200 3 000 D112 D113 D114 30001318 DIODE BA159 1 000 D902 2 000 D121 D12...

Page 32: ...013 Q014 Q015 30001455 TR BC558B 1 000 Q902 4 000 Q003 Q006 Q009 Q012 30001468 IC 24LC32 1 000 30001472 IC HYB514400 1 000 IC382 30001495 IC TDA4472 1 000 IC401 30001500 IC LM7808 1 000 IC105 30001506 IC TL431 1 000 IC103 30001518 IC TDA1308 1 000 IC503 30001551 IC TDA6111Q 1 000 30001613 IC SDA30C264 1 000 IC301 30001619 IC TEA6415C 1 000 IC502 30001670 PREAMPLIFIER TFMS5360 1 000 MD101 Page 11 o...

Page 33: ...0001762 CONN MALE 2P 2052 GRAY 1 000 PL802 30001764 CONN MALE 2052 BLACK 1 000 PL804 30001770 CONN MALE 3P 2003 GRAY 1 000 PL301 30001783 CONN MALE 5P 2005 1 000 PL304 30001785 CONN MALE 7P 2007 1 000 PL302 30001792 CONN MALE 2P MOLEX 1 000 PL101 30001795 CONN MALE 3P DEG 1 000 PL102 30001800 CONN FEMALE 8P MOLEX UF 1 000 PL951 30001801 CONN MALE 8P MOLEX UF 1 000 PL903 30001810 CONN MALE 14P MOLE...

Page 34: ...120 1 000 PL507 30001838 CONN MALE 3P TOP YELLOW 1 000 PL105 30001842 CONN MALE 3P SIDE BLUE 1 000 PL952 1 000 PL508 30001843 CONN MALE 3P SIDE YELLOW 1 000 PL505 30001844 CONN MALE 3P SIDE GREEN 1 000 PL120 1 000 PL502 30001853 SOCKET IC 32P 1 000 IC304 30001855 SOCKET CRT NARROWNECK W GND 1 000 PL904 30001866 SOCKET SCART R VER BLACK 1 000 PL501 30001867 SOCKET SCART R VER BLUE 1 000 PL506 30001...

Page 35: ... 000 CON10 30001946 SPEAKER 8R 15W 57 160 1 000 1 000 30001947 TWEETER 8R 15W CLOSED 1 000 1 000 30001960 FERIT BAR 6 20MM AK16 4 000 L107 L108 L109 L106 30001962 FERRITE AK18 VIDEO 9 000 Z1 Z10 Z14 Z18 Z24 Z25 Z26 Z37 Z38 30001964 FERRITE BAR 5 8 1 000 30001968 FERRITE BEAD 0805 BLM21B201S 1 000 L111 30001971 FERRITE BEAT 805 BLM21A601S 1 000 L425 4 000 L526 L527 L528 L529 30001979 FIXED COIL 1UH...

Page 36: ... K 1 000 L006 2 000 L518 L519 17 00 0 L501 L502 L503 L504 L505 L506 L507 L508 L509 L510 L511 L512 L513 L514 L515 L516 L517 3 000 L301 L303 L420 30001997 FIXED COIL 33UH Q60 J 1 000 L904 30002037 ADJ COIL VIF 38 9 Q80 1 000 VL401 30002174 SWITCH ON OFF 4A 64A 1 000 30002181 SWITCH TACT 5 000 S101 S102 S103 S104 S105 30002183 RELAY MON15 KI S 212M 1 000 RL2 30002238 CABLE 2 20 R2 6 WO SOCKET AK16 1 ...

Page 37: ... LED INFRARED IR333 1 000 D100 30002734 TR BC548C 1 000 Q101 30002735 IC SAA3010T 1 000 30002828 RES FUSE 1W 0 75R J 1 000 R257 30003768 TR BD139 1 000 Q955 30006712 FERRITE BEAD 3 5X4 7X0 8 2 000 L101 L206 30006744 LINE FILTER 16MH 15AK17 17 1 000 L104 1 000 L103 30006909 CAP EL 100UF M 250V 1 000 C131 30007081 CAP EL 4 7UF 50V M NPL 1 000 C160 30007204 RES MF 1 2W 1 5M F 1 000 R149 30007248 CONN...

Page 38: ...V32F1500A 1 000 D206 30007708 CAP CER 1NF 1KV K PULSE 1 000 C130 30007739 IC LM317T D2PAK 1 000 IC004 30007745 CONN MALE 10P SIDE WHITE 1 000 PL004 30007748 CAP EL 1000UF 35V M 2 000 C135 C136 30007750 CAP EL 470UF 35V H R 1150MA 2 000 C132 C134 30007753 CAP MKP 1NF 1KV 1 000 C120 30007754 CAP MKP 1UF 400V 1 000 C119 30007755 CAP MKT 680NF 275V M AC X2 1 000 C118 30007756 COIL BRIDGE 150UH 32KHZ A...

Page 39: ...007775 COIL PFC 1MH 1KHZ 2A 1 000 L102 30007782 RES MF 1 4W 3 9M F 1 000 R102 30007783 RES FUSE 1 4W 2 2R J 1 000 R150 30007793 IC STV9379FA 1 000 IC201 30007794 IC TDA7265 1 000 IC802 30007795 IC TL7705 1 000 IC303 30007797 TR 2SC5331 1 000 Q202 30007799 TR BDX53BFI 1 000 Q205 30007800 TR BF799 1 000 Q408 30007801 TR SPP20N60S5 1 000 Q101 30007802 TR STP20N06LFP 1 000 Q201 2 000 Q103 Q106 Page 18...

Page 40: ...5MHZ 1 000 X002 30009036 RES FUSE 1 2W 0 1R J 1 000 R118 1 000 R234 1 000 R119 30009037 FUSE 6 3A 250V 5mm 2 000 F102 F103 30009208 CAP CER 470PF 1KV K PULSE 2 000 C110 C163 30009353 IC SDA5275 3 1 000 IC380 30009354 IC MSP3411 SDIP64 1 000 IC501 30009698 IC 27C4001 1 000 IC304 30009832 CABLE 0 6MM BLUE 13CM 1 000 CAB00 30010348 IC CIP325OA 1 000 IC002 30010349 IC DDP3310 1 000 IC005 30010350 IC V...

Page 41: ...00 L524 L525 30013531 TR BD140 1 000 30013611 FERRITE BEAD 0805 MMZ2012R102A 1 000 L530 30013690 CAP EL 220UF 450V M 105 C 1 000 C121 30014023 RES FUSE 1 2W 0 1R J VISHAY 2 000 R148 R151 30014059 POWER CORD 2 2MT W FILTER AUST TYPE 1 000 30014060 CONN ASSY FRONT AV SVHS W FERRITE 1 000 30014528 CONN ASSY 2 100 R2 6 SPK W BL CONN 1 000 30014568 TERMINAL SSC 2000T 4 000 30014862 32 16 9 DEG COIL EAR...

Page 42: ... 40000270 RUBBER PAD TRP24 RC2100 1 000 40001898 MACARON 12cm Isý ile daralan 1 000 40001900 INSULATOR SILICON PAD 30x40 1 000 40001939 LOGO TEAC BIG GRAY W P 1 000 40005299 BATTERY COVER RC2040 SILVER P 1 000 40005300 BOTTOM COVER RC2040 SILVER P 1 000 40005467 LENS RC2040 I 1 000 40006147 TOP COVER RC2100 NB S SILVER P 1 000 40006431 SPACER SUPPORT SCC 10A 1 000 1 000 40006432 MOUNTING BUTTON MB...

Page 43: ...2 000 50006805 CARTON BOX 16 9 8270 71 CR W TV HAM EMPT 1 000 50011720 LABEL HIGH END 1 000 1 000 50016128 LBL SERVICE TEAC 3 AUST 1 000 50016146 WARRANTY CARD TEAC ENG 2 1 000 50020574 I B TEAC CTW3270S P 5275 2100 ENG 1 000 50020575 CARTON BOX TEAC CTW 3270S AK28 1 000 50020576 LBL SCREEN TEAC CTW 3270S 1 000 50021011 LBL SCR 100HZ VIRTUAL DOL SURR TEAC 1 000 60000927 CRYSTAL PS NATURAL 1 000 Pa...

Page 44: ... 2 0 2 8 0 2 B 6 8 6 1 1 B 1 7 9 2 7 5 9 9 9 9 9 B 6 7 7 7 7 5 7 2 5 9 5 7 6 7 96 6 9 6 6 2 6 5 5 B 2 8 7 6 9 0 0 8 7 3 5 2 7 6 9 6 8 6 5 6 6 6 7 H U U H V W H U L D O 7 X Q H U F W L Y H 6 S O L W W H U 7 0 6 3 3 9 3 3 6 3 3 3 7 X Q H U 6 6 6 5 6 7 9 5 6 5 6 5 6 6 2 8 1 2 5 1 9 6 7 1 2 5 7 9 L G H R 6 Z L W F K L Q J 0 D W U L 6 5 7 6 5 7 6 5 7 0 6 3 D F N B 9 U R Q W B 9 6 6 6 6 6 6 0 2 1 2 1 4 ...

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