akira CT-21CBP5CP Service Manual Download Page 51

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Model no.: .CT-21CBP5CP.doc
version 1.0

PART CODE

DESCRIPTION

SPECIFICATION

QTY

LOCATION

50620071260 CARBON

RES.

RT14-0.25W-2.2K

Ω

J 3

R301

R302

R812

51124302JT0 CARBON

RES.

RT14-0.25W-3K

Ω

J 1

R866

50620072640 CARBON

RES.

RT14-0.25W-150K

Ω

J 1

R893

50620030800

METAL OXIDE RES.

RJ14-0.25W-39K

Ω

G 1

R167

50620101360

OXIDE FILM RES.

RY21-0.5W-2.2

Ω

J 1

R307

50620101430

OXIDE FILM RES.

RY21-0.5W-3.3

Ω

J 1

R811

51315331JK0

OXIDE FILM RES.

RY21-0.5W-330

Ω

J 1

R309

50620101310

OXIDE FILM RES.

RY21-0.5W-1K

Ω

J 1

R405

50620100960

OXIDE FILM RES.

RY21-0.5W-270K

Ω

J 1

R896

50620102430

OXIDE FILM RES.

RY21-0.5W-820K

Ω

J 1

R808

50620102690

OXIDE FILM RES.

RY21-2W-0.22

Ω

J 1

R803

50620103280

OXIDE FILM RES.

RY21-2W-240

Ω

J 1

R310

50620101930

OXIDE FILM RES.

RY21-2W-3.3K

Ω

J 1

R463

50620101770

OXIDE FILM RES.

RY21-2W-15K

Ω

J 1

R004C

50620101040

OXIDE FILM RES.

RY21-2W-300K

Ω

J 1

R806

51318123JF0

OXIDE FILM RES.

RY21-3W-12K

Ω

J 2

R402

R403

51515P27J70 FUSE

RES.

RF10-0.5W-0.27

Ω

J 4

R605

R451

R461

R471

51515010J70 FUSE

RES.

RF10-0.5W-1

Ω

J 1

R333

50620050310 FUSE

RES.

RF10-0.5W-1

Ω

J 1

R491

51224111493 FUSE

RES.

RF10-2W-1.5

Ω

J 1

R490

50620080290

COIL RES.

RXG6-H2-10W-2.2

Ω

J 1

R801

50620040030 THERMISTOR

MZ73-9RM

RT801A

50620040120 THERMISTOR

PTDCA1BF7R0Q200

52532471K10 CERAMIC

CAP.

CT1-63V-06C-2B4-470PFK

1 C811

52532821K10 CERAMIC

CAP.

CT1-63V-06C-2B4-820PFK

1 C814

52532102K10 CERAMIC

CAP.

CT1-63V-06C-2B4-1000PFK

3 C301 C302 C472A

5253F103Z10 CERAMIC

CAP.

CT1-63V-08C-2F4-10NFZ

2 C866A C891

52542471KV0 CERAMIC

CAP.

CT1-500V-06A-2B4-470PFK

3 C491 C816 C825A

52542821KV0 CERAMIC

CAP.

CT1-500V-08a-2B4-820PFK

1 C403

5254F102M10 CERAMIC

CAP.

CT81-250VAC-2E4-1000PFM-Y1 4 C815

5254F102M10 CERAMIC

CAP.

CD85-E2GA102MYHS

C815A

50640024110 CERAMIC

CAP.

CT7-250VAC-2E4-1000PFM-Y1 C802 C803

50640023150 CERAMIC

CAP.

CT81-1KV-16C-2E4-4700PFZ 4

C805 C806 C807 C808

52592681K30 CERAMIC

CAP.

CT81-2KV-12C-2B4-680PFK

1 C810

52592471K30 CERAMIC

CAP.

CT81-2KV-10C-2B4-470PFK

1 C818

52368104J10 MYLAR

CAP.

CL21X-63V-0.1

FJ 4

C231

C309

C311

C608

50640013360

MYLAR CAP.

2222 366 76104

C167

52369104J10 MYLAR

CAP.

ECQV1104JMW

52367224J10 MYLAR

CAP.

CL21X-50V-0.22

FJ 5

C154

C155

C214

C216

C333

5236C104J10 MYLAR

CAP.

CL21X-250V-0.1

FJ 1

C481

5246Q104KB0 POLYPROPYLENE

CAP. CBB62-250VAC-0.1

FK 2

C801

C804

526134P7M11 ELECTROLYTIC

CAP. CD110X-16V-4.7

FM 1

C486

52623010060 ELECTROLYTIC

CAP. CD110X-16V-10

FM 10

C169

C501

C502

C507

C572

C581

C595

C584

C583

C586

52613470M11 ELECTROLYTIC

CAP. CD110X-16V-47

FM 3

C242

C051

C125

52613101M11 ELECTROLYTIC

CAP. CD110X-16V-100

FM 8

C013

C033

C188

C190A

C217

C592A

C827

C866

52613102M11 ELECTROLYTIC

CAP. CD110X-16V-1000

FM 1

C153

52613222M11 ELECTROLYTIC

CAP. CD110X-16V-2200

FM 1

C473

52614471M11 ELECTROLYTIC

CAP. CD110X-25V-470

FM 3

C452

C462

C825

50640062160 ELECTROLYTIC

CAP. CD110X-25V-1000

FM 1

C472

52616471M11 ELECTROLYTIC

CAP. CD110X-35V-470

FM 1

C607

52616102M11 ELECTROLYTIC

CAP. CD110X-35V-1000

FM 1

C817

52617010MV0 ELECTROLYTIC

CAP. CD110X-50V-1

FM 1

C158

50640062270 ELECTROLYTIC

CAP. CD110X-50V-2.2

FM 1

C162

52617470M11 ELECTROLYTIC

CAP. CD110X-50V-47

FM 4

C001

C303

C812

C882A

50640062010 ELECTROLYTIC

CAP. CD110X-160V-4.7

FM 2

C402

C890

50640062140 ELECTROLYTIC

CAP. CD110X-250V-22

FM 1

C492

50640063270 ELECTROLYTIC

CAP. CD288-160V-47

FM 1

C490

50640062370 ELECTROLYTIC

CAP. CD288-160V-220uFM

C820

50640062440 ELECTROLYTIC

CAP. CD293-450V-330

FM 1

C809

50630061100 INDUCTOR

LGB0606-1

HK 1

L049

50630061210 INDUCTOR

LGB0606-6.8

HJ 1

L241

50630061070 INDUCTOR

LGB0606-10

HJ 6

L005

L100

L101

L102

L152

L221

50630061520 INDUCTOR

LGA0307-10

HJ 4

L501

L502

L581

L582

50630010150

CORE INDUCTOR

TEM2011 5

L301

L302

L807

L808

L809

555756106A6 CORE

INDUCTOR

ZZ008

L401

61212039BT5 DIODE

W05Z3.9B

1 VD861

61212051BT5 DIODE

W05Z5.1B

1 VD816

61212056BT5 DIODE

W05Z5.6B

1 VD003

61212062AT5 DIODE

W05Z6.2A

2 VD186 VD221

61212068BT5 DIODE

W05Z6.8B

1 VD812

61212082BT5 DIODE

W05Z8.2B

2 VD448A

VD892A

61212150CT5 DIODE

W05Z15C

1 VD815

61118010158 DIODE

W05Z33C

VD001A

61411075DT0 DIODE

1N4148

1 VD485

61411075DT0 DIODE

2CK75D

617100210T0 DIODE

BAV21

1 VD896

611120RU210 DIODE

2CZRU2

4 VD302 VD491 VD811 VD471

61112RU4ZN0 DIODE

2CZRU4Z

3 VD809 VD451 VD461

50660091240 DIODE

RG4A

VD810

614145408N0 DIODE

BY254

4 VD801

Summary of Contents for CT-21CBP5CP

Page 1: ...C C Co o ol l lo o or 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...

Page 2: ...Model no CT 21CBP5CP doc version 1 0 2 Model CT 21CBP5CP C C Ch h ha a as s ss s si i is s s E E EX X X 1 1 1A A A...

Page 3: ...USTMENTS 9 SET UP ADJUSTMENTS 9 CIRCUIT ADJUSTMENTS 12 STRUCTURE AND CHASSIS FUNCTION DESCRIPTION 19 STRUCTION BLOCK DIAGRAM 19 BLOCK DIAGRAM FOR SUPPLY VOLTAGE SYSTEM 20 CHASSIS DESCRIPTION 21 SERVIC...

Page 4: ...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 operation To prevent X ray radiation the...

Page 5: ...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...

Page 6: ...ad the parts list in this manual carefully Substitute replacement components which do not have the same safety characteristics as specified in the parts list may create X ray radiation 2 Do not slap o...

Page 7: ...Model no CT 21CBP5CP doc version 1 0 7 SAFETY SYMBOL DESCRIPTION...

Page 8: ...Allow enough space at least 10cm between the TV and wall or enclosures for proper ventilation 4 Slots and openings in the cabinet should never be blocked by clothes or other objects 5 Please power of...

Page 9: ...ch of 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...

Page 10: ...sharp picture 2 1 3 Adjust two tabs of the 4 pole magnet to change the angle between them and red and blue vertical lines are superimposed each other on the center of the screen 2 1 4 Turn both tabs a...

Page 11: ...cumference 2 2 5 Fix the deflection yoke position and put the third wedge in either upper space Fasten the deflection yoke assembly on the picture tube 2 2 6 Detach the temporarily mounted wedge and p...

Page 12: ...voltage is within the range of the rated value 2 2 Connect a digital voltmeter to the B voltage output terminal of the TV set Power on the TV and set the brightness and sub brightness to minimum 2 3...

Page 13: ...ttings 6 1 1 Set the volume to 0 Then press and hold the MUTE button on the remote control and press the MENU button on the TV to enter the SERVICE mode In this case the S mode cannot be stored in the...

Page 14: ...Model no CT 21CBP5CP doc version 1 0 14...

Page 15: ...t may differ dependent on different models 3 The data sheet may differ dependent on different CRTs for the same model 6 3 Option set With remote control system software TDA935X all options can be set...

Page 16: ...Model no CT 21CBP5CP doc version 1 0 16...

Page 17: ...Model no CT 21CBP5CP doc version 1 0 17 Note Do not change the data marked with _ in Data column...

Page 18: ...Model no CT 21CBP5CP doc version 1 0 18...

Page 19: ...Model no CT 21CBP5CP doc version 1 0 19 STRUCTURE and CHASSIS FUNCTION DESCRIPTION 1 STRUCTURE BLOCK DIAGRAM...

Page 20: ...Model no CT 21CBP5CP doc version 1 0 20 2 BLOCK DIAGRAM FOR SUPPLY VOLT AGE SYSTEM...

Page 21: ...2 C bus controlled IC With combination of microcontroller and small signal processor the TDA935X 6X 8X series feature high integration high performance to price ratio and high reliability and advanced...

Page 22: ...DIP envelope with 64 pins The features are given in the following feature list The differences between the various ICs are given in the table on page 4 2 Features TV signal processor Multi standard v...

Page 23: ...ntroller TDA935X 6X 8X PS N2 series Controller 80C51 ontroller core standard instruction set and timing 1 s machine cycle 16 128Kx8 bit late programmed ROM 3 12Kx8 bit DATA RAM shared between Display...

Page 24: ...lining underlining and italics Soft colours using CLUT with 4098 colour palette Globally selectable scan lines per row 9 10 13 16 and chartercter matrix 12x10 12x13 12x16 VxH Fringing Shadow selectabl...

Page 25: ...Model no CT 21CBP5CP doc version 1 0 25 3 Block Diagram...

Page 26: ...Model no CT 21CBP5CP doc version 1 0 26...

Page 27: ...3 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 vertical drive A output IFIN1 23 IF in...

Page 28: ...32 35 and 44 is dependent on the IC version mono intercarrier FM demodulator QSS IF amplifier and East West output or not and on some software control bits The valid combinations are given in table 2...

Page 29: ...Model no CT 21CBP5CP doc version 1 0 29 Fig 8 Pin Configuration SDIP 64...

Page 30: ...Model no CT 21CBP5CP doc version 1 0 30 1 2 Electronic switch circuit HEF4053 Triple 2 channel Analog Multiplexer Demultiplexer...

Page 31: ...nt flows into terminals Y the voltage drop across the bidirecctional switch must not exceed 0 4 V If the switch current flows into terminal Z no VDD current will flow out of terminals Y in this case t...

Page 32: ...Model no CT 21CBP5CP doc version 1 0 32 1 3 Sound power amplifier TDA7057AQ 2 8W Stereo BTL Audio Output Amplifier with DC Volume Control 3 Block Diagram Fig 12...

Page 33: ...A guard signal in zoom mode 2 General Description The TDA8356 is a power circuit for use in 90 and 110 colour deflection systems for field frequencies of 50 to 120 Hz The circuit provides a DC driven...

Page 34: ...peaker control In 1 0dbsteps for balance facility independent mute function All function are programmable via Serial Bus 2 Descripion The TDA7449 is a volume tone bass and treble Balance left right pr...

Page 35: ...Model no CT 21CBP5CP doc version 1 0 35 4 Pin Connection Fig 16 5 Electrical Characteristics...

Page 36: ...Tamb 25 C VS 9V RL 10K RG 600 all controls flat G 0dB unless otherwise specified NOTE1 1 The device is functionally good at Vs 5V a step down on Vs to 4V does t reset the device 2 BASS and TREBLE res...

Page 37: ...wer CMOS Vcc 2 7 to 5 5V operation Two wire serial interface bus I 2 C Bus compatible Filtered inputs for noise suppression with Schmitt trigger Clock frequency up to 400 kHz High programming flexibil...

Page 38: ...wer supply units Cycle by cycle current limiting under voltage lockout with hysteresis over voltage protection and thermal shutdown protects the power supply during the normal overload and fault condi...

Page 39: ...ion 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 for c...

Page 40: ...Model no CT 21CBP5CP doc version 1 0 40 WAVEFORMS OF KEY POINTS...

Page 41: ...Model no CT 21CBP5CP doc version 1 0 41 Notes The waveforms are only for reference The waveforms may differ dependent on different models...

Page 42: ...23 6 10 Guard output 16 0 2 4 2 4 11 Pincushion output 2 4 55 1 23 6 12 Pincushion input negative 0 13 Pincushion input positive 0 8 9 0 8 8 Table 4 Function and Service Data of TDA8356 N401 s Pins D...

Page 43: ...16 Supply voltage 7 8 0 0 Table 6 Function and Service Data of TDA7449 N650 s Pins Digital Multimeter Victor DT890D Pin No Symbol Reference Voltage V Positive Resistance K Nerative Resistance K 1 CREF...

Page 44: ...5 8 P3 3 ADC2 PWM3 0 7 10 7 9 3 9 VSSC P 0 0 0 10 P0 5 0 01 13 3 13 3 11 P0 6 4 2 11 6 11 0 12 VSSA 0 0 0 13 SECPLL 2 3 27 6 21 7 14 VP2 8 0 1 8 1 8 15 DECDIG 5 0 23 1 16 1 16 PH2LF 3 2 27 5 21 0 17...

Page 45: ...AUDOUT AMOUT 1 3 3 27 5 21 5 45 INSSW2 1 6 1 0 1 0 46 R2 VIN 2 6 28 0 21 7 47 G2 YIN 2 6 28 0 21 7 48 B2 UIN 2 6 28 0 21 7 49 BCLIN 2 5 27 6 20 8 50 BLKIN 6 0 27 9 21 3 51 RO 2 6 1 1 1 1 52 GO 2 5 1...

Page 46: ...Model no CT 21CBP5CP doc version 1 0 46 APPENDIX...

Page 47: ...Model no CT 21CBP5CP doc version 1 0 47...

Page 48: ...Model no CT 21CBP5CP doc version 1 0 48...

Page 49: ...Model no CT 21CBP5CP doc version 1 0 49...

Page 50: ...RES RC 05K273JT 2 R233 R235 51905104JW5 CHIP RES RC 05K104JT 5 R232 R519 R520 R595 RS100 50810012400 CHIP CAP 0805CG330J500NT 2 C200 C200A 50810012410 CHIP CAP 0805CG470J500NT 2 C582 C585 50810012430...

Page 51: ...CAP 2222 366 76104 1 C167 52369104J10 MYLAR CAP ECQV1104JMW 52367224J10 MYLAR CAP CL21X 50V 0 22 FJ 5 C154 C155 C214 C216 C333 5236C104J10 MYLAR CAP CL21X 250V 0 1 FJ 1 C481 5246Q104KB0 POLYPROPYLENE...

Page 52: ...2920 CHIP RES RC 05K472JT 1 R210 51113103JU0 CARBON RES RT13 0 166W 10K J 2 R601 RS602 51113104JU0 CARBON RES RT13 0 166W 100K J 2 R603 RS604 50620071310 CARBON RES RT14 0 25W 4 7K J 2 R649 R650 52532...

Page 53: ...2 108 1 GZ01 53610210800 GZS CRT SOCKET GZS10 2 AC2 51224111493 FUSE RF10 2W 1 5 J 1 R931 515271P5J90 FUSE RF11 2W 1 5 J 55623101J30 INDUCTOR LGA0307 10 HJ 2 LK01 LK02 8782003010G FUCNTION KEY PCB JUC...

Page 54: ......

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