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Model No: CT-14XA9A
Version 1.0

Position Parts

Type

R247

Carbon film resistor

RT13-0.166W-lk Ohm J

R247

Carbon film resistor

NAS1/6102J

R047

Carbon film resistor

RT13-0.166W-lk Ohm J

R047

Carbon film resistor

NAS1/6102J

R137

Carbon film resistor

RT13-0.166W-1.2K Ohm J

R137

Carbon film resistor

NAS1/6122J

R046

Carbon film resistor

RT13-0.166W- 1.5K Ohm J

R046

Carbon film resistor

NAS1/6152J

R430

Carbon film resistor

RT13-0.166W-1.8K Ohm J

R430

Carbon film resistor

NAS1/6182J

RBY1

Carbon film resistor

RT13-O.166W-1.5K Ohm J

RBY 1

Carbon film resistor

NAS 1/6182J

RBY2

Carbon film resistor

RT13-0.166W-2K Ohm J

RBY2

Carbon film resistor

NAS1/6202J

R621

Carbon film resistor

RT13-0.166W-2K Ohm J

R621

Carbon film resistor

NAS 1/6202J

R631

Carbon film resistor

RT13-O.166W-2K Ohm J

R631

Carbon film resistor

NAS1/6202J

R062

Carbon film resistor

RT13-0.166W-2K Ohm J

R062

Carbon film resistor

NAS1/6202J

R065

Carbon film resistor

RT13-0.166W-2.2K Ohm J

R065

Carbon film resistor

NAS1/6222J

R248

Carbon film resistor

RT13-0.166W-2.2K Ohm J

R248

Carbon film resistor

NAS1/6222J

R265

Carbon film resistor

RT13-0.166W-2.2K Ohm J

R265

Carbon film resistor

NAS1/6222J

R371

Carbon film resistor

RT13-0.166gr-2.2K Ohm J

R371

Carbon film resistor

NAS 1/6222J

R381

Carbon film resistor

RT13-0.166W-2.2K Ohm J

R381

Carbon film resistor

NAS 1/6222J

R138A

Carbon film resistor

RT13-O.166W-2.2K Ohm J

R138A

Carbon film resistor

NAS1/6222J

R171

Carbon film resistor

RT13-0.166W-2.2K Ohm J

R171

Carbon film resistor

NAS1/6222J

R132A

Carbon film resistor

RT13-0.166W-2.7K Ohm J

R132A

Carbon film resistor

NAS1/6272J

R133A

Carbon film resistor

RT13-0.166W-3.3K Ohm J

R133A

Carbon film resistor

NAS1/6332J

R135

Carbon film resistor

RT13-0.166W-3.3K Ohm J

R351

Carbon film resistor

NAS1/6332J

R356

Carbon film resistor

RT13-0.166W-3.3K Ohm J

R356

Carbon film resistor

NAS1/6332J

R360

Carbon film resistor

RT13-0.166W-3.3 K Ohm J

R360

Carbon film resistor

NAS1/6332J

RX204

Carbon film resistor

RT13-0.166W-3.3K Ohm J

RX204

Carbon film resistor

NAS1/6332J

Содержание CT-14XA9A

Страница 1: ...C C Co o ol l lo o ou u ur r r T T TV V V S S Se e er r rv v vi i ic c ce e e M M Ma a an n nu u ua a al l l...

Страница 2: ...2 Model No CT 14XA9A Version 1 0 M M Mo o od d de e el l l G G Gr r ro o ou u up p p C C CT T T 1 1 14 4 4X X XA A A9 9 9 CHASSIS EX 1A1 MODEL CT 14XA9A...

Страница 3: ...Safety instructions 5 Safety precaution 6 Product safety notice 7 Adjustment 9 Control buttons 19 Structure chassis function description 24 Service data 27 Replacement parts 49 Circuit diagram 67 Exp...

Страница 4: ...25MHz 168 25 216 25MHz UHF C 13 C57 471 25 863 25MHz CATV Z1 Z7 111 0 167 0MHz Z8 Z35 223 0 447 0MHz Channels preset 236 Antenna input 75 ohm unbalanced Picture tube Effective screen dimensions Approx...

Страница 5: ...gh Voltage Check procedure in this manual using an accurate EHT voltmeter 2 The only source of X RAY radiation in this TV is the CRT The TV minimizes X RAY radiation which ensures safety during normal...

Страница 6: ...und when the TV is in operation Install a suitable isolating transformer of beyond rated overall power when servicing or connecting any test equipment for the sake of safety 4 When replacing ICs use s...

Страница 7: ...th other large power equipment Doing so may result in too large load causing fire 4 Do not allow anything to rest on or roll over the power cord Protect the power cord from being walked on modified cu...

Страница 8: ...l or enclosures for proper ventilation 4 Slots and openings in the cabinet should never be blocked by clothes or other objects 5 Please power off the TV set and disconnect it from the wall immediately...

Страница 9: ...f the TV set 1 3 Operate the TV for at least 15 minutes 1 4 Degauss the TV set using a specific degaussing coil 1 5 Set the brightness and contrast to maximum 1 6 Counter clockwise rotate the R B low...

Страница 10: ...10 Model No CT 14XA9A Version 1 0 Fig 1 Fig 2...

Страница 11: ...ergence is obtained 2 2 Circumference convergence adjustment 2 2 1 Loosen the clamp screw holding the deflection yoke assembly and allow it tilting 2 2 2 Temporarily put the first wedge between the pi...

Страница 12: ...12 Model No CT 14XA9A Version 1 0 Fig 3...

Страница 13: ...n 1 4 Turn on the degausser Slowly move it around the screen and slowly take it away from the TV 1 5 Repeat the above steps until the TV is degaussed completely 2 Supply Voltage Adjustment Caution B v...

Страница 14: ...ord to be infinity with a DC 500 high resistance meter and insulation resistance between the naked metal and degaussing coil to be over 20M12 6 DESIGN SERVICE mode 6 1 To enter the USER SERVICE mode C...

Страница 15: ...correction for large screen only 5EWT 6EWT 1F Trapezoidal correction for large screen only 5VSL 6VSL 1F Vertical slope for large screen only 5VAM 6VAM 1F Vertical amplitude For 50Hz 5VAM is displayed...

Страница 16: ...To write in logo use the buttons to highlight an adjustment and the buttons to adjust 3 The data sheet may differ dependent on different models 4 The data sheet may differ dependent on different CRTs...

Страница 17: ...CT_ SWITCH_ON Memory power on If turned off by the remote control then the TV is turned on by the remote control if turned off by the MAIN POWER SWITCH then turned on by the MAIN POWER SWITCH 1 2 OP_H...

Страница 18: ...P_PSNS Sensitivity 0 2 OP_BSCREEN Black screen when changing channels 1 yes 0 No 1 3 OP_SECAM 1 SECAM option 1 4 OP_DFL Disable flash protection 0 5 OP_SIF External input for sound IF circuit 1 6 OP_E...

Страница 19: ...19 Model No CT 14XA9A Version 1 0 CONTROL BUTTONS 1 Control Buttons 1 1 Rear panel 1 2 Front panel...

Страница 20: ...or and INDEX buttons also function as fast menu selection in the TV mode Notes 1 When in operation please point your remote control directly to the infrared sensor 2 Do not expose the remote control t...

Страница 21: ...am in the TUNING menu press the VOL button The TV will search automatically in sequence After auto search the TV will store receivable channels and returns to POS 1 Unused position number is automatic...

Страница 22: ...can dramatically quicken channel selection After select Skip in the TUNING menu press the VOL VOL buttons to set Skip On When the TUNING menu has disappeared press the CH CH buttons and you will find...

Страница 23: ...eing received is good in ease of influencing picture definition 4 Color temperature adjustment You may select one of color of background as preferred among Normal Cool and Warm mode The adjusted Color...

Страница 24: ...24 Model No CT 14XA9A Version 1 0 STRUCTURE AND CHASSIS FUNCTION DESCRIPTION Structure Block Diagram Fig 4 Structure Block Diagram for EX 1A1 Chassis Series...

Страница 25: ...25 Model No CT 14XA9A Version 1 0 Block Diagram For Supply Voltage System Fig 5 Block Diagram for EX 1A 1A1 1A2 Supply Voltage System...

Страница 26: ...series PAL NTSC SECAM reception 100 236 programs preset Various input output terminals including SCART RCA and S VIDEO Selectable picture sound modes Multilingual on screen display TELETEXT option Aud...

Страница 27: ...can be made between versions with mono inter carrier sound FM demodulator and versions with QSS IF amplifier The mono inter carrier sound versions have a selective FM PLL demodulator which can be swit...

Страница 28: ...WatchDog timer Auxiliary RAM page pointer 16 bit Data pointer Stand by Idle and Power Down PD mode 14 bits PWM for Voltage Synthesis Tuning 8 bit A D converter 4 pins which can be programmed as genera...

Страница 29: ...Globally selectable scan lines per row 9 10 13 16 and character matrix 12x10 12x13 12x16 VxH Fringing Shadow selectable from N S E W direction Fringe colour selectable Meshing of defined area Contras...

Страница 30: ...center frequency Audio switch Automatic Volume Levelling Automatic Volume Levelling or subcarrier output for combfilter applications Qss sound IF amplifier with separate input and AGC circuit AM sound...

Страница 31: ...31 Model No CT 14XA9A Version 1 0 3 Block diagram...

Страница 32: ...32 Model No CT 14XA9A Version 1 0...

Страница 33: ...se 2 filter PH1LF 17 phase 1 filter GND3 18 ground 3 for TV processor DECBG 19 bandgap decoupling AVL EWD 1 20 Automatic Volume Levelling East West drive output VDRB 21 vertical drive B output VDRA 22...

Страница 34: ...port 1 2 or external interrupt 0 input Notes 1 The function of pin 20 28 29 31 32 35 and 44 is dependent on the IC version mono inter carrier FM demodulator QSS IF amplifier and East West output or no...

Страница 35: ...35 Model No CT 14XA9A Version 1 0 Fig 8 Pin Configuration SDIP 64...

Страница 36: ...ne side connected to an independent input output Y0 and Y1 and the other side connected to a common input output Z With E LOW one of the two switches is selected low impedance ON state by Sn With E HI...

Страница 37: ...Package Designator North America Pinning YOA to YOC Independent inputs outputs Y1A to Y1C Independent inputs outputs SA to SC Select inputs E Enable input active LOW ZA to ZC Common inputs outputs 3 F...

Страница 38: ...plifier TDA7057AQ TDA7057AQ 2x8W Stereo BTL Audio Output Amplifier with DC Volume Control 1 Features DC volume control Few external components Mute mode Short circuit proof No switch on and switch off...

Страница 39: ...39 Model No CT 14XA9A Version 1 0 Fig 12...

Страница 40: ...ircuit of the output pins 7 and 4 Short circuit of the output pins to Temperature protection High EMC immunity because of common mode inputs A guard signal in zoom mode 2 General Description The TDA83...

Страница 41: ...Adaptation to Different Sources One Stereo Output Treble and Bass Control in 2 0dB Steps Volume Control in 1 0dB Steps Two Speaker Attenuators Two Independent Speaker Control in 1 0db Steps for Balanc...

Страница 42: ...42 Model No CT 14XA9A Version 1 0 3 Block Diagram Fig 15 4 Pin Connection Fig 16...

Страница 43: ...to 24dB 1 0 0 1 0 dB EA Attenuation Set Error AV 24 to 47dB 1 5 0 1 5 dB AV 0 to 24dB 0 1 dB ET Tracking Error AV 24 to 47dB 0 2 DB VDC DC Step adjacent attenuation steps from 0dB to AV max 0 0 5 3 mv...

Страница 44: ...zed as 1024 2048 bytes and 64 128 pages x 16 bytes Page protection mode flexible page by page hardware write protection Additional protection EEPROM of 64 128 bits 1 bit per data page Protection setti...

Страница 45: ...45 Model No CT 14XA9A Version 1 0 2 Pin Configuration Fig 17 3 Block Diagram...

Страница 46: ...cycle current limiting under voltage lockout with hysteresis over voltage protection and thermal shutdown protects the power supply during the normal overload and fault conditions Low current startup...

Страница 47: ...47 Model No CT 14XA9A Version 1 0 3 Pin Configuration and Functions...

Страница 48: ...nction for STR F6654 Pin No Symbol Function Description 1 OCP FB Over current protection detection signal voltage limiting signal input 2 S MOSFET source 3 D MOSFET drain 4 VIN Supply voltage input fo...

Страница 49: ...166W 68 Ohm J R048 Carbon film resistor NAS1 6680J R302 Carbon film resistor RT13 0 166W 68 Ohm J R302 Carbon film resistor NAS1 6680J R303 Carbon film resistor RT13 0 166W 75 Ohm J R303 Carbon film...

Страница 50: ...R364 Carbon film resistor RT13 0 166W 100 Ohm J R364 Carbon film resistor NAS 1 6101J R430A Carbon film resistor RT13 0 166W 100 Ohm J R430A Carbon film resistor NAS1 6101J RCLM Carbon film resistor R...

Страница 51: ...Carbon film resistor RT13 0 166W 470 Ohm J R361 Carbon film resistor NAS 1 6471J R879 Carbon film resistor RT13 0 166W 470 Ohm J R879 Carbon film resistor NAS1 6471J R107 Carbon film resistor RT13 0...

Страница 52: ...film resistor RT13 0 166W 2 2K Ohm J R065 Carbon film resistor NAS1 6222J R248 Carbon film resistor RT13 0 166W 2 2K Ohm J R248 Carbon film resistor NAS1 6222J R265 Carbon film resistor RT13 0 166W 2...

Страница 53: ...R009 Carbon film resistor RT13 0 166W 10K Ohm J R009 Carbon film resistor NAS1 6103J R137A Carbon film resistor RT13 0 166W 10K Ohm J R137A Carbon film resistor NAS1 6103J R137B Carbon film resistor R...

Страница 54: ...05 Carbon film resistor RT13 0 166W 10K Ohm J RX205 Carbon film resistor NAS 1 6103J R002 Carbon film resistor RT13 0 166W 10K Ohm J R002 Carbon film resistor NAS1 6103J R158 Carbon film resistor RT13...

Страница 55: ...003 Carbon film resistor RT13 0 166W 68K Ohm J R003 Carbon film resistor NAS1 6683J R006 Carbon film resistor RT13 0 166W 100K Ohm J R006 Carbon film resistor NAS 1 6104J R109 Carbon film resistor RT1...

Страница 56: ...25W 4 7K Ohm J R872 Carbon film resistor NAS1 4472J R872A Carbon film resistor RT14 0 25W 5 1K Ohm J R872A Carbon film resistor NAS1 4512J R403 Metal film resistor RT14 0 25W 5 1K Ohm J R167 Metal fi...

Страница 57: ...r CC 1 63V 06a SL 47PFJ C371A Ceramic capacitor CCl 63V 06a SL 47PFJ C381A Ceramic capacitor CC1 63V 08a C 100PFJ C003 Ceramic capacitor CC 1 63V 08a C 100PFJ C882 Ceramic capacitor CCl 63V 08a C 100P...

Страница 58: ...2E4 1000PFM Y1 C809 Ceramic capacitor CT81 400VAC 11c 2E4 1000PFM Y1 C810 Ceramic capacitor CT81 1KV 10C 2B4 1000PFM C811 Ceramic capacitor CT81 1KV 10C 2B4 1000PFM C871 Ceramic capacitor CT81 1KV 10C...

Страница 59: ...or CL21X 50V 470MFJ C481 Polyester film capacitor CL21X 100V 0 22MFJ C512 Polypropylene capacitor CBB21 160V 0 056MFJ C801 Polypropylene capacitor CL21X 250V 0 1MFJ C802 Polypropylene capacitor CBB 13...

Страница 60: ...ctrolytic capacitor CD 110X 16V 100MFM C477 Aluminum electrolytic capacitor CD 110X 16V 220MFM C453 Aluminum electrolytic capacitor CD 110X 16V 220MFM C116 Aluminum electrolytic capacitor CD 110X 16V...

Страница 61: ...MHJ IA21 Feed through inductor TEM2000 IA22 Feed through inductor TEM2000 L502 Feed through inductor TEM2011 L506 Horizontal linear inductor TEM2011 L505 Width coil ZZ008 VD882 Diode HXT49 D895 Diode...

Страница 62: ...3CG1015 Y V353 Triode 2PA1015 Y V890 Triode 2SA1015 Y V890 Triode 3CG1015 Y V890 Triode 2PAI015 Y V251 Triode 2SA1015 Y V251 Triode 3CG1015 Y V251 Triode 2PA1015 Y VX200 Triode 2SA1015 Y VX200 Triode...

Страница 63: ...15 Y V391 Triode 2SC1815 Y V391 Triode 2PC 1815 Y V605 Triode 3DG1815 Y V605 Triode 2SC1815 Y V605 Triode 2PC1815 Y V871 Triode 3DG18i5 Y V871 Triode 2SC1815 Y V871 Triode 2PC1815 Y V888 Triode 3DG181...

Страница 64: ...F16 T804 Switch transformer BCK 24005L JUB4 726 083 F801 Delay fuse RT20 250V 3 15A XS801 AV terminals AYLP 33 9YUV T401 FBT BSC60H JUB4 799 044 1 XS301 S terminals PH S KK01 Feather touch switch KA3...

Страница 65: ...esistor NAS1 4221J RY16 Carbon film resistor RT14 0 25W 220 Ohm J RY16 Carbon film resistor NAS1 4221J RY17 Carbon film resistor RT14 0 25W 330 Ohm J RY17 Carbon film resistor NAS1 4331J RY18 Carbon f...

Страница 66: ...JS 2A VY01 Triode 3DA2688F VY01 Triode 2SC2688 L VY02 Triode 3DA2688F VY02 Triode 2SC2688 L VY03 Triode 3DA2688F VY03 Triode 2SC2688 L VY04 Triode BF422 VY06 Triode BF422 VY08 Triode BF422 VY05 Triode...

Страница 67: ...Model no CT 14XA9A Version 1 0 CIRCUIT DIAGRAM 67...

Страница 68: ...Model no CT 14XA9A Version 1 0 CIRCUIT DIAGRAM 68...

Страница 69: ...Model no CT 14XA9A Version 1 0 EXPLODED VIEWEXPLOW 69...

Страница 70: ...1 0 PART LIST NO PART NAME QTY 1 Main board assembly 1 2 CRT assembly 1 3 Front cover 1 4 Back cover 1 5 CRT RGB PCB assembly 1 6 Seal cap 1 7 Rubber spacer 4 8 Tapping screw 4 x 12BTHO 4 9 Tapping sc...

Страница 71: ...Model no CT 14XA9A Version 1 0 WIRING DIAGRAM 71...

Страница 72: ...Model no CT 14XA9A Version 1 0 PBC BOARD 722...

Страница 73: ...Model no CT 14XA9A Version 1 0 PBC BOARD 733...

Страница 74: ...Model no CT 14XA9A Version 1 0 PBC BOARD 74...

Страница 75: ...Model no CT 14XA9A Version 1 0 PBC BOARD 755...

Страница 76: ...Model no CT 14XA9A Version 1 0 PPBC BOARD 766...

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