akira CT-21CBS5CPH Service Manual Download Page 49

 

     

 

Model no.:CT-21CBS5CPH.doc 
version 1.0 

49

 

 

REPLACEMENT PARTS  LIST  

 

PART CODE  

PART NAME  

SPECIFICATION  

QTY  

LOCATION  

883370281G007 POWER 

SW. 

CAP 

JUC8.337.281-G007 

1   

 

 

 

 

 

FUNCTION KEY  

 

 

 

 

 

 

54111A04180 POWER 

SWITCH 

 

KDC-A04-MU171 

1 S801   

 

 

 

54111A04180 POWER 

SWITCH 

 

KDC-A04(30) 

  

 

 

 

 

54111A04180 POWER 

SWITCH 

 

PS5E-A-T1 

  

 

 

 

 

56281310080 SPEAKER 

 

YDT59-A3-10W-8

 2 

 

 

 

 

 

8475900210B 

DEGAUSSING COIL  

XC-21F2 

 

 

 

 

 

681C21F1CH3 

21" CRT  

54SX538Y22-DC01 

 

 

 

 

 

 

FRONT PANEL  

 

 

 

 

 

 

8864001520C LENS 

 

JUC8.640.152 

1  

 

 

 

 

50990011200 REMOTE 

CONTROLLER 

ACH-T-1 

1  

 

 

 

 

8782000060G 

MAIN PCB  

JUG7.820.006 

 

 

 

 

 

51113681JU0 CARBON 

RES. 

RT13-0.166W-680

J 1 

R804 

 

 

 

 

51113102JU0 CARBON 

RES. 

RT13-0.166W-1K

J 2 

R813 

R814 

 

 

 

51113152JU0 CARBON 

RES. 

RT13-0.166W-1.5K

J 1 

R819 

 

 

 

 

51113222JU0 CARBON 

RES. 

RT13-0.166W-2.2K

J 1 

R812 

 

 

 

 

51113472JU0 CARBON 

RES. 

RT13-0.166W-4.7K

J 1 

R807 

 

 

 

 

51113103JU0 CARBON 

RES. 

RT13-0.166W-10K

J 1 

R822 

 

 

 

 

50620071780 CARBON 

RES. 

RT13-0.166W-39K

J 1 

R810 

 

 

 

 

50620071650 CARBON 

RES. 

RT13-0.166W-270K

J 1 

R809 

 

 

 

 

50620071200 CARBON 

RES. 

RT14-0.25W-1.2K

J 1 

R817 

 

 

 

 

50620071350 CARBON 

RES. 

RT14-0.25W-560K

J 1 

R808 

 

 

 

 

513154P7J40 

M. OXIDE FILM RES. 

RY21-0.5W-4.7

J 1 

R811 

 

 

 

 

50620101590 

M. OXIDE FILM RES. 

RY21-1W-220K

J 1 

R806 

 

 

 

 

50620102710 

M. OXIDE FILM RES. 

RY21-2W-0.27

J 1 

R803 

 

 

 

 

50620050240 

FUSE RES.  

RF10-0.5W-0.27

J 1 

R816 

 

 

 

 

51516P47J10 

FUSE RES.  

RF10-1W-0.47

J 2 

R815 

R818 

 

 

 

50620080290 

COIL RES.  

RXG6-H2-10W-2.2

J 1 

R801 

 

 

 

 

51C20090M00 

THERMAL RES.  

MZ73-9

M 1 

RT801A 

 

 

 

 

50640021950 

CERAMIC CAP.  

CC1-63V-10C-SL-470PFJ 

C811 

 

 

 

 

52532102K10 

CERAMIC CAP.  

CT1-63V-06C-2B4-1000PFK 

C814 

 

 

 

 

50640021630 

CERAMIC CAP.  

CT81-250VAC-2B4-470PFK-Y1 

C802 

C803 

 

 

 

50640063120 

CERAMIC CAP.  

CD95-B2GA471KYHS 

 

 

 

 

 

 

50640022370 

CERAMIC CAP.  

CT7-250VAC-2B4-470PFK-Y1 

 

 

 

 

 

 

5254F102M10 

CERAMIC CAP.  

CT81-250VAC-2E4-1000PFM-Y1 

C815 

 

 

 

 

5254F102M10 

CERAMIC CAP.  

CT7-250VAC-2E4-1000PFM-Y1 

 

 

 

 

 

 

5254F102M10 

CERAMIC CAP.  

CD85-E2GA102MYHS 

 

 

 

 

 

 

52582102M30 

CERAMIC CAP.  

CT81-1KV-10C-2B4-1000PFM 

C805 

C806 

C807 

C808 

 

52592471K30 

CERAMIC CAP.  

CT81-2KV-10C-2B4-470PFK 

C818 

 

 

 

 

50640022840 

CERAMIC CAP.  

CT1-500V-06C-2B4-470PFK 

C816 

C819 

C821 

 

 

52592681K30 

CERAMIC CAP.  

CT81-2KV-12C-2B4-680PFK 

C810 

 

 

 

 

5246Q104KB0 POLYPROPYLENE 

CAP. CBB62-250VAC-0.1

μ

FK 2 

C801 

C804 

 

 

 

52367104J10 MYLAR 

CAP. 

CL21X-50V-0.1

μ

FJ 1 

C813 

 

 

 

 

52613101M11 ELECTROLYTIC 

CAP.  CD110X-16V-100

μ

FM 1 

C826 

 

 

 

 

52613471M11 ELECTROLYTIC 

CAP.  CD110X-16V-470

μ

FM 2 

C825 

C827 

 

 

 

52614221M11 ELECTROLYTIC 

CAP.  CD110X-25V-220

μ

FM 1 

C822 

 

 

 

 

50640062160 ELECTROLYTIC 

CAP.  CD110X-25V-1000

μ

FM 1 

C823 

 

 

 

 

52616102M11 ELECTROLYTIC 

CAP.  CD110X-35V-1000

μ

FM 1 

C817 

 

 

 

 

52617470M11 ELECTROLYTIC 

CAP.  CD110X-50V-47

μ

FM 1 

C824 

 

 

 

 

52617101M11 ELECTROLYTIC 

CAP.  CD110X-50V-100

μ

FM 1 

C812 

 

 

 

 

50640062370 ELECTROLYTIC 

CAP.  CD288-160V-220

μ

FM 1 

C820 

 

 

 

 

50640062400 ELECTROLYTIC 

CAP.  CD293/289-450V-220

μ

FM 1 

C809 

  

 

 

61411075DT0 DIODE 

1N4148 

1 VD819  

 

 

 

61212047AT5 

DIODE ZENER  

W05Z4.7A/GDZ4.7A 

VD816 

 

 

 

 

61212056BT5 

DIODE ZENER  

W05Z5.6B/GDZ5.6B 

VD818 

 

 

 

 

61212056B35 

DIODE ZENER  

W05Z5.6B/GDZ5.6B 

 

VD812 

 

 

 

 

61212100BT5 

DIODE ZENER  

W05Z10B/GDZJ10B 

VD817 

 

 

 

 

61212150BT5 

DIODE ZENER  

W05Z15B/GDZ15B 

VD815 

 

 

 

 

61112183440  DIODE 

2CZ1834 

2 VD813 VD811  

 

 

50660091880 DIODE 

HER205 

1 VD809  

 

 

 

61100103020 DIODE 

AK03 

1 VD806  

 

 

 

61100111046  DIODE 

AU01Z 

3 VD807 VD808 VD814 

 

 

611308RG420 DIODE 

RG4A 

1 VD810  

 

 

 

61414540810  DIODE 

1N5408 

4 VD801 VD802 VD804 

VD805 

 

62118150Y16 AUDION 

 

3DG1815-Y 

1 V803   

 

 

 

62126880030 AUDION 

 

3DA2688-L 

1 V805   

 

 

 

62126880030 AUDION 

 

2SC2688-L 

  

 

 

 

 

64408800Y10 AUDION 

 

3DD880/3DD880A 

1 V804   

 

 

 

64408800Y10 AUDION 

 

2SD880-Y 

  

 

 

 

 

8475700020B 

LINE FILTER  

LCL-F16(JUB4.757.002) 

L801 

 

 

 

 

8475700010B 

LINE FILTER  

LCL-F15(JUB4.757.001) 

L802 

 

 

 

 

8472607070B TRANSFORMER 

BCK-23519L(JUB4.726.485) 

1 T801   

 

 

 

50060010190 TRANSFORMER 

BCK-35-0318 

  

 

 

 

 

50390070930 I.C 

CW7805CS 

1 N802   

 

 

 

50390020140 I.C 

H11A817A 

1 V802   

 

 

 

50390020150 I.C 

HPC922 

  

 

 

 

 

50700010730 

FUSE RES.  

R/S/V/I50TT2.5AL250V(61802 

F801 

 

 

 

 

59818033250 

FUSE RES.  

61802.5 

 

 

 

 

 

 

Summary of Contents for CT-21CBS5CPH

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 21CBS5CPH doc version 1 0 2 Model C C CT T T 2 2 21 1 1C C CB B BS S S5 5 5C C CP P PH H H C C Ch h ha a as s ss s si i is s s E E ET T TA A A 1 1 1...

Page 3: ...ESCRIPTION 7 MAINTENANCE 8 MECHANICA DISASSEMBLING 9 ADJUSTMENTS 11 SET UP ADJUSTMENTS 11 CIRCUIT ADJUSTMENTS 14 STRUCTURE AND CHASSIS FUNCTION DESCRIPTION 20 STRUCTION BLOCK DIAGRAM 20 SERVICE DATA 2...

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: ...ead 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...

Page 7: ...Model no CT 21CBS5CPH doc version 1 0 7 SAFETY SYMBOL DESCRIPTION...

Page 8: ...3 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 o...

Page 9: ...ck and remove CHASSIS REMOVAL 1 Remove cabinet back 2 Discharge the picture tube anode 2nd anode lead to the dag coating picture tube grounding lead 3 Disconnect Degaussing coil socket KE Picture tube...

Page 10: ...Remove chassis referring to Chassis Removal instructions 2 Place cabinet front face down on the soft surface 3 Remove the screw one ach corner of the picture tube and GENTLY lift the picture tube out...

Page 11: ...wer switch 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...

Page 12: ...nvergence 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...

Page 13: ...alance Adjustment Generally white balance adjustment is made with professional equipment It s not practical to get good white balance only through manual adjustment For TVs with I C bus control change...

Page 14: ...away from the TV 1 5 Repeat the above steps until the TV is degaussed completely 2 Confirmation and Adjustment for Voltage Caution B voltage has close relation to high voltage To prevent X ray radiat...

Page 15: ...ved 4 1 After removing the back cover look for the FBT on the main PCB There should be a FCB on the FBT 4 2 Power on the TV and preheat it for 15 min 4 3 Receive a normal TV signal Rotate knob of the...

Page 16: ...f the screen To exit from the S mode turn off the TV set by the POWER button on the remote control Caution The user service mode adjustment can be changed only when service personnel adjust the whole...

Page 17: ...Model no CT 21CBS5CPH doc version 1 0 17...

Page 18: ...Model no CT 21CBS5CPH doc version 1 0 18...

Page 19: ...Model no CT 21CBS5CPH doc version 1 0 19...

Page 20: ...Model no CT 21CBS5CPH doc version 1 0 20 STRUCTURE and CHASSIS FUNCTION DESCRIPTION 1 BLOCK DIAGRAM...

Page 21: ...ium TVs provides much more convenience for manufacturing and technical service It includes 2IN1 IC TMPA8873PSANG 4VB6 for PAL NTSC small signal processing and bus control EEPROM AT24C16 for data memor...

Page 22: ...ed in a 64 pin shrink DIP package The MCU contains 8 bit CPU ROM RAM I O ports timer counters A D converters an on screen display controller remote control interfaces IIC bus interfaces and the Closed...

Page 23: ...Model no CT 21CBS5CPH doc version 1 0 23 2 FEATURE...

Page 24: ...Model no CT 21CBS5CPH doc version 1 0 24 3 BLOCK DIAGRAM...

Page 25: ...are controllable through the IIC bus of the internal connections 2 Power Supply TMPA8873 has some power supplies and GND pins Power supplies related MCU must be applied at the first Power supplies for...

Page 26: ...Model no CT 21CBS5CPH doc version 1 0 26 5 TERMINAL INTERFACE...

Page 27: ...Model no CT 21CBS5CPH doc version 1 0 27...

Page 28: ...Model no CT 21CBS5CPH doc version 1 0 28...

Page 29: ...Model no CT 21CBS5CPH doc version 1 0 29...

Page 30: ...Model no CT 21CBS5CPH doc version 1 0 30 SIGNAL PROCESSOR BLOCK...

Page 31: ...Model no CT 21CBS5CPH doc version 1 0 31...

Page 32: ...Model no CT 21CBS5CPH doc version 1 0 32...

Page 33: ...Model no CT 21CBS5CPH doc version 1 0 33...

Page 34: ...Model no CT 21CBS5CPH doc version 1 0 34 Microcontrollers Descriptions MROM version TMPA8873CMANG CPANG CRANG CSANG...

Page 35: ...n pin 7 The TFA9842AJ contains a unique protection circuit that is solely based on multiple temperature measurements inside the chip This gives maximum output power for all supply voltages and load co...

Page 36: ...Model no CT 21CBS5CPH doc version 1 0 36 3 Block Diagram...

Page 37: ...Model no CT 21CBS5CPH doc version 1 0 37 4 2 Pin Description...

Page 38: ...iers that is LA78040 has supply voltage of 24V and output current of 1 8AP P while LA78041 has supply voltage of 30V and output current of 2 2AP P LA78040 LA78041 N602 Vertical Deflection Output Circu...

Page 39: ...otive Grade and Extended Temperature Devices Available 8 lead PDIP 8 lead JEDEC SOIC 8 lead MAP and 8 lead TSSOP Package 2 wire Serial EEPROM AT24C01A 1K 128 x 8 AT24C02 2K 256 x 8 AT24C04 4K 512 x 8...

Page 40: ...ssed in detail under the Device Addressing section The AT24C04 uses the A2 and A1 inputs for hard wire addressing and a total of four 4K devices may be addressed on a single bus system The A0 pin is a...

Page 41: ...nternally organized with 32 pages of 8 bytes each the 2K requires an 8 bit data word address for random word addressing AT24C04 4K SERIAL EEPROM Internally organized with 32 pages of 16 bytes each the...

Page 42: ...wer MOSFET with a high precise error amplifier The ICs feature fewer external components small size and standard power supply The series STR G8600 use Chip on Chip technology with the same operation p...

Page 43: ...Model no CT 21CBS5CPH doc version 1 0 43 SERVICE DATA OF KEY ICs Table 16 Ground Resistance of TMPA8873 Pins...

Page 44: ...Model no CT 21CBS5CPH doc version 1 0 44 Table 17 Operating Voltage of TMPA8873 N202 s Pins...

Page 45: ...Model no CT 21CBS5CPH doc version 1 0 45 Table 18 Functions and Service Data TFA9842J s Pins Table 20 Functions and Service Data LA78040 s Pins...

Page 46: ...Model no CT 21CBS5CPH doc version 1 0 46 Table 21 Functions and Service Data of AT24C08 16 Pins Table 22 Functions and Service Data of STR G5653 S Pins...

Page 47: ...Model no CT 21CBS5CPH doc version 1 0 47 APPENDIX...

Page 48: ......

Page 49: ...2M10 CERAMIC CAP CD85 E2GA102MYHS 52582102M30 CERAMIC CAP CT81 1KV 10C 2B4 1000PFM 4 C805 C806 C807 C808 52592471K30 CERAMIC CAP CT81 2KV 10C 2B4 470PFK 1 C818 50640022840 CERAMIC CAP CT1 500V 06C 2B4...

Page 50: ...10X 35V 100 FM 1 C303 52617010MV0 ELECTROLYTIC CAP CD110X 50V 1 FM 2 C306 C304 611120RU251 DIODE 2CZRU2 1 VD302 61216075075 DIODE ZENER 1Z75 1 VD301 50620071680 CARBON RES RT13 0 166W 27 J 1 R004 5111...

Page 51: ...S RT13 0 166W 680 J 1 R621 51113103JU0 CARBON RES RT13 0 166W 10K J 4 R603 R604 R601 R602 51113153JU0 CARBON RES RT13 0 166W 15K J 2 R605 C601 50620071640 CARBON RES RT13 0 166W 24K J 2 C602 C603 5062...

Page 52: ...OLYTIC CAP CD110X 50V 10 FM 1 D903 50640061890 ELECTROLYTIC CAP CD110X 50V 22 FM 1 D904 61411075DT0 DIODE 1N4148 6 D905 61411075DT0 DIODE 2CK75D D906 V905 V904 V901 V902 62210150YW0 AUDION 3CG1015 Y 1...

Page 53: ......

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