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IC202     409 241 5407  IC BA178M05T                

409 265 4806  IC L78M05CV                 

409 172 1509  IC MC78M05CT                

409 320 5700  IC UPC78M05AHF              

IC3401    409 467 1108  IC CXA2134Q-T6              

IC501     409 507 0900  IC LA78040N                 

409 510 1109  IC TDA9302H                 

IC681     409 241 5407  IC BA178M05T                

409 265 4806  IC L78M05CV                 

409 172 1509  IC MC78M05CT                

409 320 5700  IC UPC78M05AHF              

IC801     410 527 1907  IC LC863440W-53Z0-TLM       

IC802     409 495 7004  IC CAT24WC04P               

409 470 3403  IC KS24C041C                

409 427 4705  IC M24C04-BN6               

410 499 0908  IC AT24C04-10PI-2.7         

CAPACITOR

C007      403 342 3300  CERAMIC      0.1U K   25V   

C008      403 342 3300  CERAMIC      0.1U K   25V   

C031      404 089 2700  ELECT        100U M   25V   

C032      403 049 0008  ELECT          1U M   50V   

C033      403 049 0008  ELECT          1U M   50V   

C034      404 084 4204  ELECT        4.7U M   50V   

403 051 0607  ELECT        4.7U M   50V   

C035      403 045 1504  ELECT       1000U M   25V   

C037      403 342 3300  CERAMIC      0.1U K   25V   

C038      403 342 3300  CERAMIC      0.1U K   25V   

C041      403 047 5005  ELECT        470U M   25V   

C042      403 047 5005  ELECT        470U M   25V   

C101      403 044 1703  ELECT        470U M   16V   

C1011     404 084 3900  ELECT         10U M   50V   

403 049 4204  ELECT         10U M   50V   

C1013     404 084 3900  ELECT         10U M   50V   

403 049 4204  ELECT         10U M   50V   

C1021     404 084 3900  ELECT         10U M   50V   

403 049 4204  ELECT         10U M   50V   

C106      403 051 3103  ELECT         47U M   50V   

C107      404 084 4303  ELECT         47U M   50V   

403 051 3103  ELECT         47U M   50V   

C111      403 215 2201  CERAMIC     0.01U K   50V   

C112      403 215 2201  CERAMIC     0.01U K   50V   

C113      403 215 2201  CERAMIC     0.01U K   50V   

C121      403 215 2201  CERAMIC     0.01U K   50V   

C122      403 042 2405  ELECT        100U M   16V   

C132      403 048 6308  ELECT       0.47U M   50V   

C135      403 048 6308  ELECT       0.47U M   50V   

C138      403 284 4304  CERAMIC    0.022U K   50V   

C171      403 155 2101  CERAMIC     1500P K   50V   

C172      403 215 2201  CERAMIC     0.01U K   50V   

C1902     403 050 2800  ELECT         22U M   50V   

C201      403 086 2300  NP-ELECT       1U M   50V   

C202      403 058 2604  POLYESTER  0.015U J   50V   

403 179 3207  POLYESTER  0.015U J   50V   

C203      403 215 2201  CERAMIC     0.01U K   50V   

C204      403 049 4204  ELECT         10U M   50V   

C205      403 049 4204  ELECT         10U M   50V   

C209      403 048 6308  ELECT       0.47U M   50V   

C210      403 047 5005  ELECT        470U M   25V   

C212      403 155 4204  CERAMIC       15P J   50V   

C221      403 342 3300  CERAMIC      0.1U K   25V   

C222      403 342 3300  CERAMIC      0.1U K   25V   

C223      403 342 3300  CERAMIC      0.1U K   25V   

C224      403 342 3300  CERAMIC      0.1U K   25V   

C225      403 049 0008  ELECT          1U M   50V   

C226      403 086 2300  NP-ELECT       1U M   50V   

C227      403 049 4204  ELECT         10U M   50V   

C230      403 215 2201  CERAMIC     0.01U K   50V   

C231      403 260 2904  MT-COMPO    0.33U J   50V   

C232      403 260 2904  MT-COMPO    0.33U J   50V   

C233      403 045 1504  ELECT       1000U M   25V   

C240      403 215 2201  CERAMIC     0.01U K   50V   

C243      403 215 2201  CERAMIC     0.01U K   50V   

C244      403 051 3103  ELECT         47U M   50V   

C245      403 086 2300  NP-ELECT       1U M   50V   

C246      403 049 0008  ELECT          1U M   50V   

C247      403 049 9803  ELECT        2.2U M   50V   

C273      403 342 3300  CERAMIC      0.1U K   25V   

C3401     404 087 1200  ELECT        0.1U M   50V   

C3404     404 089 6500  NP-ELECT     4.7U M   50V   

C3406     403 215 2300  CERAMIC    0.012U K   50V   

C3407     403 155 2408  CERAMIC     5600P K   50V   

C3408     404 084 3702  ELECT       0.47U M   50V   

C3411     404 089 6906  NP-ELECT    0.47U M   50V   

C3412     404 084 3207  ELECT         47U M   16V   

C3413     404 084 4204  ELECT        4.7U M   50V   

C3414     403 042 2405  ELECT        100U M   16V   

C3416     404 089 6500  NP-ELECT     4.7U M   50V   

C3417     404 084 4204  ELECT        4.7U M   50V   

C3418     404 089 6500  NP-ELECT     4.7U M   50V   

C3420     403 215 2201  CERAMIC     0.01U K   50V   

C3421     403 157 7104  CERAMIC     2700P K   50V   

C3423     403 342 9203  TA-SOLID     3.3U K   10V   

C3424     404 089 6500  NP-ELECT     4.7U M   50V   

C3426     403 299 1800  TA-SOLID      10U K   10V   

C3427     404 084 3801  ELECT          1U M   50V   

C3431     403 155 2309  CERAMIC     4700P K   50V   

C3432     404 087 1200  ELECT        0.1U M   50V   

C3433     403 155 2309  CERAMIC     4700P K   50V   

C3434     403 284 4304  CERAMIC    0.022U K   50V   

C3436     404 089 6500  NP-ELECT     4.7U M   50V   

C3439     404 089 6500  NP-ELECT     4.7U M   50V   

C358      403 049 0008  ELECT          1U M   50V   

C422A     403 324 2505  CERAMIC      390P K    3K   

C423      404 077 4600  MT-POLYPRO  7800P H  1.5K   

403 343 8205  MT-POLYPRO  7800P H  1.5K   

C426      403 066 6106  MT-POLYEST  0.47U J  250V   

C432      403 075 7101  CERAMIC     1000P K  500V   

C433      403 076 3102  CERAMIC     3900P K  500V   

C434      403 051 3103  ELECT         47U M   50V   

C441      403 346 6901  MT-POLYPRO  0.22U J  250V   

C442      403 346 6901  MT-POLYPRO  0.22U J  250V   

C469      403 049 4204  ELECT         10U M   50V   

C471      404 056 5208  NP-ELECT     2.2U M  100V   

404 056 5307  NP-ELECT     2.2U M  100V   

404 045 6605  NP-ELECT     2.2U M   50V   

C486      403 055 8401  ELECT         22U M  250V   

C487      403 076 5304  CERAMIC      680P K  500V   

C510      404 084 4204  ELECT        4.7U M   50V   

403 051 0607  ELECT        4.7U M   50V   

C514      403 049 4204  ELECT         10U M   50V   

C515      403 045 9807  ELECT       2200U M   25V   

C517      403 053 2104  ELECT        220U M   35V   

C518      403 246 2201  MT-COMPO    0.01U J   50V   

C520      403 064 1202  POLYESTER    0.1U K  100V   

403 276 9706  POLYESTER    0.1U K  100V   

C521      403 054 1502  ELECT        470U M   35V   

C524      403 260 2508  MT-COMPO    0.18U J   50V   

C527      403 049 4204  ELECT         10U M   50V   

C601      404 072 7705  MT-POLYEST 0.068U M  250V   

404 079 6503  MT-POLYEST 0.068U M  250V   

404 073 7506  MT-POLYEST 0.068U M  275V   

404 092 0700  MT-POLYEST  0.068U M  275   

C608      403 076 6707  CERAMIC     1000P K    1K   

!

-21-

C4BP

Ref. No.

Part No. 

Description

Ref. No.

Part No. 

Description

Summary of Contents for 21TC657

Page 1: ...ystem PAL M M N N NTSC M M Channel Coverage Antenna mode VHF CH02 CH13 UHF CH14 CH69 CATV mode VHF band CH01 CH13 Mid band CH14 CH22 Super band CH23 CH36 Hyper band CH37 CH64 Ultra band CH65 CH94 and...

Page 2: ...eiver is the picture tube The picture tube is specially con structed to limit X RADIATION emissions For continued X RADIATION protection the replacement tube must be the same type as the original incl...

Page 3: ...42 FM OUTPUT EXT VIDEO IN K1001 K1002 REAR AVIN FRONT AVIN VIDEO VIDEO A L A L A R A R 19 20 21 R G B K1921 12 8 AC POWER CIRCUIT CONVERTER TRANS 130V MAIN HIGH 20V AUDIO 12V MAIN LOW 24V VERT 9V IC20...

Page 4: ...Chassis Block Diagrams 4 SYSTEM CONTROL QXXAVC479P 15 C CAPTION IN...

Page 5: ...MP V C VCC 5V 46 47 48 49 50 A2C PLL 51 52 53 54 Audio Output FM Output Selected Audio Output PIF AGC RF AGC Output PIF Input1 PIF Input 2 IF Ground IF Vcc FM Filter AFT Output Bus Data Bus Clock ABL...

Page 6: ...it Amp 54 10p SIF In Sound BPF VCO Coil VCO COIL1 VCO COIL2 48 49 VIF VCO Chroma Counter B N INV IF Ident OSC C D Amp SIF Sys 2bit pre scaller SIF VCO 500K BPF SIF APC Filter 1K 0 01u 1000p 53 LIM AMP...

Page 7: ...4 LSOUT L 3 LSOUT R VOL R VOLUME RIGHT CHANNEL INPUT 43 44 TREBLE OUT R 41 47 TREBLE FILTER L 45 2 BASS FILTER L 40 SURRTC 38 TVOUT R 39 TVOUT L 36 37 AUX2 L Left channel external input FEXT2 INPUT P...

Page 8: ...Adjustments Press the CHANNEL UP or CHANNEL DOWN button on the remote control handset to select the desired service menu item you want to adjust Use the VOLUME or to adjust the data The or button will...

Page 9: ...ateral line 23 DRV Brightness and dark of White balance adjustment 24 B YD 10 00 15 B Y DC Level 25 R YD 10 00 15 R Y DC Level 26 B YND 0 16 15 Difference value of NTSC B Y DC Level 27 R YND 0 16 15 D...

Page 10: ...00 00 01 Adjustment of AFC Gain Gate RF 66 VSURF 00 00 01 Adjustment of Vertical Sync Separation Sensitivity RF 67 CDMRF 00 00 07 Vertical Count Down Loop Adjustment RF 68 AFCAV 00 00 01 Adjustment of...

Page 11: ...nd contrast to maximum 3 Select Item No 04 V SIZ in the service mode 4 Change value to be optimum vertical size 5 Exit from the service mode 1 Receive a monochrome circular pattern 2 Set the brightnes...

Page 12: ...e adjustment is made after picture tube replacement check the high voltage Items 16 23 GREY SCALE Service Adjustments E E B 3 3 T471 H1 T471 H2 T471 H4 T471 H5 T471 H6 T471 H7 T471 H10 T471 R449 D485...

Page 13: ...OOSE EXIT MENU 2 Service Adjustments Press the CHANNEL UP or CHANNEL DOWN button on the remote control handset to select the desired service menu item you want to adjust Use the VOLUME or to adjust th...

Page 14: ...18 JP002 J150 R031 C042 C041 R006 J119 C005 R005 J121 R003 J122 C004 J125 J126 R029 J127 J128 J129 J130 R019 J028 JP652 J139 J143 J141 R662 J142 R036 D1001 JP029 J132 R528 D653 R1907 J075 JW1 JW4 C652...

Page 15: ...tored in memory Service Adjustment 3 This adjustment is used to do a fine tuning of the channels with poor reception after they have been stored by the automatic tuning This function is available for...

Page 16: ...egative lead to ground and connect lead to anode of picture tube 2 Tune receiver to an active channel and confirm TV is operating properly 3 The high voltage must be 14 21KV 1KV 20 21 25KV 1KV 29 26 5...

Page 17: ...lours to check this use bias controls Readjust the yoke position if necessary until all screens are pure 7 Adjust each Bias control and screen control to obtain white raster Refer to Gray Scale Adjust...

Page 18: ...10 610 315 5265 LABEL RATING C4BP 11 645 042 8968 ASSY REMOCON JXMMA 12 610 288 0397 RC BATTERY LID 13 645 004 3925 ANTENNA CONVERTER 645 005 0251 ANTENNA CONVERTER 610 316 0931 INSTRUCTION MANUAL C4...

Page 19: ...ould be considered when a component replacement is made in any area of a receiver Components indicated by a mark in this parts list and the circuit diagram show components whose value have special sig...

Page 20: ...02 TR 2SC2812N L6 TB0 405 163 1701 TR 2SC2812N L7 TB0 405 173 9803 TR 2SC3928A1R 405 173 9902 TR 2SC3928A1S Q681 405 011 8401 TR 2SC1740S Q 405 011 8500 TR 2SC1740S R 405 011 8609 TR 2SC1740S S 405 01...

Page 21: ...0V C232 403 260 2904 MT COMPO 0 33U J 50V C233 403 045 1504 ELECT 1000U M 25V C240 403 215 2201 CERAMIC 0 01U K 50V C243 403 215 2201 CERAMIC 0 01U K 50V C244 403 051 3103 ELECT 47U M 50V C245 403 086...

Page 22: ...ISTOR R003 401 026 3905 CARBON 330 JA 1 6W R006 401 026 8108 CARBON 4 7 JA 1 6W R019 401 007 7601 CARBON 150 JA 1 2W R029 401 007 7601 CARBON 150 JA 1 2W R031 401 027 5205 CARBON 680 JA 1 6W R033 401...

Page 23: ...RBON 22 JA 1 4W R620 401 010 4802 CARBON 470K JA 1 2W R621 401 010 4802 CARBON 470K JA 1 2W R622 401 019 9600 CARBON 47 JA 1 4W R623 401 026 4902 CARBON 330K JA 1 6W R624 402 001 8502 FUSIBLE RES 10 J...

Page 24: ...55 TE 17 D1910 407 206 5608 ZENER DIODE UDZS TE 1710B D249 407 099 6003 ZENER DIODE MTZJ9 1B D352 407 063 8705 ZENER DIODE MTZJ5 1C 407 056 9801 ZENER DIODE RD5 6EB1 D421 407 099 7208 ZENER DIODE MTZJ...

Page 25: ...1 E RA 405 066 9903 TR 2SC2688 1 K 405 067 0008 TR 2SC2688 1 L 405 067 0107 TR 2SC2688 1 M Q711 406 000 3605 TR 2SC3620 LB SAN 1 405 041 6507 TR 2SC2621 D RA 405 041 6705 TR 2SC2621 E RA 405 066 9903...

Page 26: ...406 DIODE 1SS133 D752 407 012 4406 DIODE 1SS133 D753 407 012 4406 DIODE 1SS133 D754 407 012 4406 DIODE 1SS133 MISCELLANEOUS K701 645 026 2005 SOCKET CRT 8P 652 001 0321 SOCKET CRT 8P 652 001 1465 SOCK...

Page 27: ...27...

Page 28: ...July 04 NOBLEX...

Page 29: ...GQBZ 1 16GJ 100KAZ KK 5600 GQBZ 1 16 GJ1MAZ PM4 7LBZA 1 16GJ220AZ 1 16GJ220AZ KK 0 022 GQBZ KK 4700 GQBZ EM0 1 LBWA KK4700 GQBZ EM0 1 LBWA 1 16GJ 62KAZ EM0 47 LBWA 16EM47 LBWA EM4 7 LBWA 16EM 100 EM4...

Page 30: ...R1907 J075 JW1 JW3 JW4 D1901 R423 C652 J051 D512 R831 J090 D861 D646 R830 VR462 J140 R602A C033 JP030 JP441 JP3402 L441A C465A PS601 R602 H3 IC002 IC001 J013 C355 J152 JP003 J008 J155 J151 JP004 JP00...

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