akira CT-21XF9 Service Manual Download Page 50

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Model No: CT-21XF9A

Version 1.0

Location No.

Part No.

Name

Type

R053

51124331JU0

carbon film resistor

RT14-0.25W-3301 ohm J

R053

5115433 IJUY

carbon film resistor

NAS1/4331J

R055

51124331JU0

carbon film resistor

RT14-0.25W-3301 ohm J

R055

51154331JUY

carbon film resistor

NAS1/4331J

R059

51124471JU0

carbon film resistor

RT14-0.25W-4701 ohm J

R059

51154471JUY

carbon film resistor

NAS1/4471J

R236

51124471JU0

carbon film resistor

RT14-0.25W-4701 ohm J

R236

51154471JUY

carbon film resistor

NAS1/4471J

R988

51124681J20

carbon film resistor

RT14-0.25W-680 ohm J

R988

51124681J2Y

carbon film resistor

NAS1/6681J

R036

511241.02JU0

carbon film resistor

RT14-0.25W-lK ohm J

R036

51154102JUY

carbon film resistor

NAS1/4102J

R045

51124102JU0

carbon film resistor

RT14-0.25W-1K ohm J

R045

51154102JUY

carbon film resistor

NAS1/4102J

R403

51124102JU0

carbon film resistor

RT14-0.25W-1K ohm J

R403

51154102JUY

carbon film resistor

NAS1/4102J

R411

51124102JU0

carbon film resistor

RT14-0.25W- 1K ohm J

R411

51154102JUY

carbon film resistor

NAS1/4102J

W205

51124102JU0

carbon film resistor

RT14-0.25W- 1K ohm J

W205

51154102JUY

carbon film resistor

NAS1/4102J

R008

51124152JU0

carbon film resistor

RT14-0.25W-1.5K ohm J

R008

51154152JUY

carbon film resistor

NAS1/4152J

R224

51124222JU0

carbon film resistor

RT14-0.25W-2.2K ohm J

R224

51154222JUY

carbon film resistor

NAS1/4222J

R103

51124392JU0

carbon film resistor

RT14-0.25W-3.9K ohm J

R103

51154392JUY

carbon film resistor

NAS1/4392J

R110

51124562JU0

carbon film resistor

RT14-0.25W-5.6K ohm J

R110

51154562JUY

carbon film resistor

NAS1/4562J

R105

51124562JU0

carbon film resistor

RT14-0.25W-5.6K ohm J

R105

51154562JUY

carbon film resistor

NAS1/4562J

R051

51124822JU0

carbon film resistor

RT14-0.25W-8.2K ohm J

R051

51154822JUY

carbon film resistor

NAS1/4822J

R047

51124103JU0

carbon film resistor

RT14-0.25W-10K ohm J

R047

51154103JUY

carbon film resistor

NAS 1/4103J

R054

51124103JU0

carbon film resistor

RT14-0.25W- 10K ohm J

R054

51154103JUY

carbon film resistor

NAS 1/4103J

R056

51124103JU0

carbon film resistor

RT14-0.25W-10 ohm J

R056

51154103JUY

carbon film resistor

NAS1/4103J

R102

51124103JU0

carbon film resistor

RT14-0.25W- 10K ohm J

Summary of Contents for CT-21XF9

Page 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...

Page 2: ...2 Model No CT 21XF9A 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 2 2 21 1 1X X XF F F9 9 9 CHASSIS CN 9EA MODEL CT 21XF9A...

Page 3: ...11 Circuit adjustments 12 Set up adjustment 13 Service mode general instructions 15 Service mode adjustment 19 Main repairing flow diagram 20 Main ICs description and repair data offering 26 Spare par...

Page 4: ...g channel VHF Cl C12 49 75 85 25MHz 168 25 216 25MHz UHF C 13 C57 471 25 863 25MHz CATV Zl Z7 111 0 167 0MHz Z8 Z35 223 0 447 0MHz Programs Preset 236 Antenna input 75 imbalance Picture tube Effective...

Page 5: ...ocation Type Mainly function N001 CH08T0934 System control microprocessor N002 AT24C08 10PI Memory N945 HS0038A Remote control receiver NM01 TC9028F 022 Remote control transmitter N101 LA7910 Band dec...

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Page 11: ...the high voltage cap discharge the anode of the CRT and the chas sis in case of electric shock c Wear a pair of goggles when handling the CRT to void broken pieces damaging your eyes d Do not hold th...

Page 12: ...switch must be switched off at least 30 minutes in order that the automatic degaussing circuit operates properly Should the chassis or parts of the cabinet become magnetized to cause poor colour purit...

Page 13: ...bly and rubber wedges need mechanical positioning Refer to figure 6 COLOUR PURITY ADJUSTMENT NOTE Before attempting any purity adjustment the receiver should be operated for at least fifteen minutes 1...

Page 14: ......

Page 15: ...ve cover paper on adhesive part of the wedge 3 Tilt front of the deflection coil up or down to obtain better convergence in circumference See figure 8 Push the mounted wedge into the space between pic...

Page 16: ......

Page 17: ...yte F0 14 VHFL H Factory ASM VT limit of VHFL high byte 02 15 VHFL Factory ASM VT limit of VHFL low byte 10 16 SNUM 20 17 PNUM Protect number 7F 18 SELF COLN Self adjust COLC initial data 10 19 SELF T...

Page 18: ...other AV 20 46 ST4 Sub Sharp Center other TV 20 47 SV3 Sub sharp center 3 5BTSC AV 20 48 ST3 Sub sharp center 3 58NTSC TV 20 49 TNTN Sub tint min difference 28 50 TNTX Sub tint max difference 28 51 C...

Page 19: ...djust the BRTC data to get normal picture 2 WHITE BALANCE ADJUSTMENT 1 Turn on the TV and preheat it for over 7 minute 2 Use the remote control to set the contrast to maximum and the brightness to med...

Page 20: ...screen 6 HORIZONTAL AMPLITUDE ADJUSTMENT Receive Philips test signals Adjust the horizontal amplitude adjustment inductance L506 so that the edge of the CRT covers the right and left borderlines of P...

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Page 26: ...icture IF processing circuit a sound IF processing circuit PLL video detection circuit PLL sound frequency discrimination circuit a luminance signal processing circuit PAL NTSC chroma signal processin...

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Page 28: ...AGC filter 6 4 4 7 2 11 2 10 APC FILTER APC filtering 1 8 1 8 10 11 2 11 4 43MHZXTA 4 43MHZ crystal oscillating 2 2 2 2 7 4 120 12 Y C GND Ground Y C signal processor 0 0 0 0 13 YS YM Y switch signal...

Page 29: ...O Y IN External video luminance signal input 1 6 1 6 7 2 11 42 DIG GND Digital circuit ground 0 0 0 0 43 TV VIDEO IN TV Video signal input 2 8 3 2 7 2 11 44 BLACK DET Black level detecting filter 3 2...

Page 30: ...LK NC 0 0 6 23 5 9 BAND1 Tuner band switching control signal output 4 9 5 6 16 7 10 BAND2 Tuner band switching control signal output 0 0 6 14 11 SCL1 Inter IC Bus clock line 4 3 4 3 5 8 21 3 12 SDA1 I...

Page 31: ...1 5 0 5 6 2 24 3 32 XOUT 10MHZ clock oscillation output 2 2 2 2 4 8 24 3 33 RESET CPU reset pin 5 5 5 4 5 34 OPTION Option pin 4 9 4 6 6 14 5 35 RMT IN Remote control instructions input 3 5 3 4 6 24...

Page 32: ...2 7 0 7 0 12 8 5 4 9 PGND2 Ground 2 supply circuit 0 0 0 0 10 OUT2 Audio signal output 2 7 0 7 0 12 8 5 4 11 OUT1 Audio signal output 1 7 0 7 0 12 8 5 4 12 PGND1 Ground l supply circuit 0 0 0 0 13 OUT...

Page 33: ...2 5 Connet to Phase compensate capacitance 0 8 0 8 3 6 9 0 6 Vcc Power supply pin 24 5 24 5 3 5 7 3 7 Pump power supply output 1 2 1 2 5 5 11 6 Repair data for IC AT24C08 N002 AT24C08 is the Memory of...

Page 34: ...Symbol Function Quiescent state V Dynamic state V Red pen measure Black pen measure 1 YOUT The output pin for Y signal Standard output level is 1 0Vp p The 5 5MHz trap filter and delay line on the Y s...

Page 35: ...for connecting the SECAM identification filter capacitor A too big capacitor causes a time delay to get color signal on a picture and a weak RF signal performance would getting worth if the capacitor...

Page 36: ...itor for the bell filter F0 4 427MHz A too big capacitor causes a time delay on bell filter F0 adjusting and picture would be noisy if it is too small 2 39 2 49 1 0 1 0 15 Y IN The Y signal input pin...

Page 37: ...r selecting the ID detection mode H V connected to Vc c Auto seaeh opened H connected to GND 5 02 2 50 18 3 18 3 21 SECAM ID In Out The interface pin to the main processor TB 1231 This input output in...

Page 38: ......

Page 39: ...r GND R x 200K Pin Symbol Quiescent state V Dynamic state V Red pen measure Black pen measure 1 Cref 0 06 0 01 27 72 22 18 2 Vs 0 05 0 01 0 75 0 74 3 GND 0 07 0 01 0 00 0 00 4 Rout 0 07 0 01 31 37 22...

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Page 41: ...63 13 24 12 RESERVED 0 31 0 07 20 97 13 08 13 VSS2 0 04 0 01 0 00 0 00 14 SCL1 2 81 1 70 15 14 15 SDA1 0 81 1 70 15 01 16 RESERVED 0 28 0 08 26 23 13 36 17 RESERVED 0 33 0 08 20 81 13 32 18 H mode 0...

Page 42: ...SCL2 0 01 1 08 21 07 11 80 50 SDA2 0 01 1 08 20 58 11 70 51 TIME 0 02 0 01 24 00 12 68 52 RESERVED 0 02 0 02 25 01 12 78 10 Voltage data of pin for main audion Position Pin V00 V10 V20 V20 V20 V20 V3...

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Page 46: ...r RT13 0 166W 100 ohm J R301 51153101JUY carbon film resistor NAS 1 6101J W275 51113101JU0 carbon film resistor RT13 0 166W 100 ohm J W275 51153101JUY carbon film resistor NAS 1 6101J R230 51113221JU0...

Page 47: ...13102JU0 carbon film resistor RT13 0 166W 1K ohm J R044 51153102JUY carbon film resistor NAS1 6102J R057 51113102JU0 carbon film resistor RT13 0 166W 1K ohm J R057 51153102JUY carbon film resistor NAS...

Page 48: ...R018 51153103JUY carbon film resistor NAS1 6103J R019 51113103JU0 carbon film resistor RT13 0 166W 10K ohm J R019 51153103JUY carbon film resistor NAS1 6103J R082 51113103JU0 carbon film resistor RT1...

Page 49: ...51113474JU0 carbon film resistor RT13 0 166W 470K ohm J R070 51153474JUY carbon film resistor NAS1 6474J R071 51113474JU0 carbon film resistor RT13 0 166W 470K ohm J R071 51153474JUY carbon film resi...

Page 50: ...11 51154102JUY carbon film resistor NAS1 4102J W205 51124102JU0 carbon film resistor RT14 0 25W 1K ohm J W205 51154102JUY carbon film resistor NAS1 4102J R008 51124152JU0 carbon film resistor RT14 0 2...

Page 51: ...124223JU0 carbon film resistor RT14 0 25W 22K ohm J R101 51154223JUY carbon film resistor NAS1 4223J R406 51124303JU0 carbon film resistor RT14 0 25W 30K ohm J R406 51154303JUY carbon film resistor NA...

Page 52: ...25W 47K ohm J R832 51124473JU0 carbon film resistor RT14 0 25W 47K ohm J R002A 51113102J20 carbon film resistor RT13 0 166W 1K ohm J R002A 51113102J2Y carbon film resistor NAS1 6102J R003A 51113102j2...

Page 53: ...13333JU0 carbon film resistor RT13 0 166W 33K ohm J R314 51153333JUY carbon film resistor NAS1 6333J R316 51113333JU0 carbon film resistor RT13 0 166W 33K ohm J R316 51153333JUY carbon film resistor N...

Page 54: ...41J R518 51316102JK0 metal oxide film resistor RY21 1W 1K ohm J R518 51326102JKY metal oxide film resistor MOS1W102J R802 51316102JK0 metal oxide film resistor RY21 1W 1K ohm J R802 51326102JKY metal...

Page 55: ...itor CT1 63V 06a 2B4 1000PFK C113 52532102KV0 ceramic capacitor CT1 63V 06a 2B4 1000PFK C116 52532102KV0 ceramic capacitor CT1 63V 06a 2B4 1000PFK C204 52532102KV0 ceramic capacitor CT1 63V 06a 2B4 10...

Page 56: ...mic capacitor CT1 500V 14c 2B4 3900PFK C808 52582102M30 ceramic capacitor CT81 1KV 10c 2B4 1000PFM C808 52582102M31 ceramic capacitor CT7 250VAC 10C 2B4 1000PFK C809 52582102M30 ceramic capacitor CT81...

Page 57: ...52367121J10 mylar capacitor CL21X 50V 1200PFJ C604 52367224J10 mylar capacitor CL21X 50V 0 22 mui FJ C609 52367224J10 mylar capacitor CL21X 50V 0 22 mui FJ C701 52367224J10 mylar capacitor CL21X 50V...

Page 58: ...CD110X 16V 100 mui FM C807 52623101MV0 aluminum electrolytic capacitor CD110X 16V 100 mui FM C224 52623101M10 aluminum electrolytic capacitor CD110X 16V 100 muiFM C510 52623471M10 aluminum electrolyti...

Page 59: ...tor CD110 50V 1 mui FM C712 52613100MV0 aluminum electrolytic capacitor CD110 50V 1 mui FM L104 55632 33K10 invariablenes inductor LGB0606 0 33 mui HK L206 556328 2J10 invariablenes inductor LGBO606 8...

Page 60: ...57111387800 SAWF LBN 38 78 L506 55A13027000 wide adjustment HFT 270 8475900010B degaussing coil XC 2118 JUB4 759 001 L203 55891239AV0 mid frequency transformer TRF1239AV L103 5589767950Y mid frequency...

Page 61: ...6B D504 612120912U0 diode W05Z9 1B VD921 61512050R00 diode FG5RD D214 61411075DU0 diode 2CK75D D214 61411075DU6 diode 1N4148 D215 61411075DU0 diode 2CK75D D215 61411075DU6 diode 1N4148 D216 61411075DU...

Page 62: ...5 Y V010 62418150YWY audion 2SC1815 Y V202 62118150YW0 audion 3DG1815 Y V202 62418150YWY audion 2SC1815 Y V204 62118150YW0 audion 3DG1815 Y V204 62418150YWY audion 2SC1815 Y V301 62118150YW0 audion 3D...

Page 63: ...integrate circuit L7809CV N501 6724178125Y integrate circuit L7812CV N501 6724278125Y integrate circuit MC7812CT N101 67113791CPY integrate circuit LA7910CP LA7910 N101 6710379100 integrate circuit H...

Page 64: ...1 2PH X902 5384101PY00 audio and video socket AV I IPH 68121150310 21 C11T 54SX503Y22 DC01 AUDIO PROCESSING BOARD R3 51113101JU0 carbon film resistor RT13 0 166W 100 ohm J R3 51153101JUY carbon film r...

Page 65: ...221JW6 chip resistor RC05K221JT RT35 51911221JW6 chip resistor RC05K221JT RT36 51911221JW6 chip resistor RC05K221JT RT01 51911472JW6 chip resistor RC05K472JT RT02 51911472JW6 chip resistor RC05K472JT...

Page 66: ...r 0805F104Z500NT CT04 52A12104Z05 chip capacitor 0805F104Z500NT CT12 52A12104Z05 chip capacitor 0805F104Z500NT CT10 52613100MV0 aluminum electrolytic capacitor CD110X 16V 10 mui FM CT05 52613100MV0 al...

Page 67: ...NAS 1 4102J R910 51113272JU0 carbon resistor RT13 0 25W 2 7K ohm J R910 51113272JU6 carbon resistor NAS 1 4272J R901 51113472JU0 carbon resistor 11T13 0 25W 4 7K ohm J R901 51113472JU6 carbon resisto...

Page 68: ...K75D D903 61411075DU6 diode 1N4148 D904 61411075DU0 diode 2CK75D D904 61411075DU6 diode 1N4148 D905 61411075DU0 diode 2CK75D D905 61411075DU6 diode 1N4148 D906 61411075DU0 diode 2CK75D D906 61411075DU...

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Page 71: ...seal cap 7 onto the screw 13 after close the back cover After inspection seal it with plasticine and mark it 9 Check and make sure that no scratch and foreign objects exist on in the set label plates...

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