akira CT-21XF9 Service Manual Download Page 54

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Model No: CT-21XF9A

Version 1.0

Location No. Part No.

Name

Type

R701

51113622J20

carbon film resistor

RT13-0.166W-6.2K ohm J

R701

51113622J26

carbon film resistor

NAS1/6622J

R702

51113103J20

carbon film resistor

RT3-0.166W-10K ohm J

R702

51113103J26

carbon film resistor

NAS1/6103J

R893

51731513J20

glass glaze film resistor

RI40-2W-51K ohm J

R893A

51731513J20

glass glaze film resistor

RI40-2W-51K ohm J

R883

51731754J20

glass glaze film resistor

RI40-1W-750K ohm J

R212

51315121JH0

metal oxide film resistor

RY21-0.5W- 120 ohm J

R212

51325121JHY

metal oxide film resistor

MOS1/2W121J

R410B

51315222JH0

metal oxide film resistor

RY21-0.5W-2.2K ohm J

R410B

51325222JHY

metal oxide film resistor

MOS1/2W222J

R512

51315472JH0

metal oxide film resistor

RY21-0.SW-4.7K ohm J

R512

51325472JHY

metal oxide film resistor

MOS1/2W472J

R407

513161*SJK0

metal oxide film resistor

RY21-1W- 1.5 ohm J

R407

513261*5JKY

metal oxide film resistor

MOS1W1R5J

R408

51316241JK0

metal oxide film resistor

RY21-1W-240 ohm J

R408

51326241JKY

metal oxide film resistor

MOS1W241J

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 oxide film resistor

MOS1W102J

R504

51317391JL0

metal oxide film resistor

RY21-2W-390 ohm J

R504

51327391JLY

metal oxide film resistor

MOS2W391J

R519

51317102JL0

metal oxide film resistor

RY21-2W-1K ohm J

R519

51327102JLY

metal oxide film resistor

MOS2W102J

R830

51317682JM0

metal oxide film resistor

RY21-2W-6.8K ohm J

R885

51315100J J0

metal oxide film resistor

RY21-0.5W-10 ohm J

R818

51315100J J0

metal oxide film resistor

RY21-0.SW-10 ohm J

R410 51315222JK0 metal oxide film resistor RY21-0.5W-2.2K ohm J

R888

51315332JK0

metal oxide film resistor

RY21-0.5W-3.3K ohm J

R881

51316*15JK0

metal oxide film resistor

RY21-1W-0.15 ohm J

R601

513172*2JK0

metal oxide film resistor

RY21-3W- l ohm J

R502

5144GS*2K00

wire-wound resistor

RXG4-6W-8.2 ohm K

R900

5148C2P2J00

wire-wound resistor

RXG6-H2-10W-2.2 ohm J

R507

51515*82J40

fuse resistor

RF 10-0.5W-0.82 ohm J

R513

515162*7J70

fuse resistor

RF10-1W-2.7 ohm J

R825

515284*3J70

fuse resistor

RF11-3W-4.3 ohm J

R824

51527010JB0

fuse resistor

RF11-2W- 1 ohm J

RT802

51C20120M00

thermistor

MZ73-12 ohm M

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...

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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...

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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...

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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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