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KV-B14K3

RM-849S

MEMO

Summary of Contents for Transitron KV-B14K3

Page 1: ...MODEL COMMANDER DEST CHASSIS NO KV B14K3 RM 849S Vietnam SCC H37J A SERVICE MANUAL MODEL COMMANDER DEST CHASSIS NO CHASSIS TRINITRON COLOR TV G3E D ...

Page 2: ...110 240 V AC 50 60 Hz Power consumption W Indicated on the rear of the TV Television system B G D K Color system PAL PAL 60 NTSC4 43 NTSC3 58 AV IN Channel coverage B G VHF E2 to E12 UHF E21 to E69 CATV S01 to S03 S1 to S20 D K VHF R1 to R12 UHF R21 to R60 CATV S01 to S03 S1 to S20 to Z39 Audio output speaker 5W Inputs Antenna 75 ohms VIDEO IN jacks phono jacks Video 1 Vp p 75 ohms Audio 500 mVrms...

Page 3: ... Adjustment 13 3 4 Screen G2 and White Balance Adjustments 13 4 CIRCUIT ADJUSTMENTS 4 1 A Board Adjustments 14 5 DIAGRAMS 5 1 Block Diagrams 17 5 2 Circuit Boards Location 21 5 3 Schematic Diagrams and Printed Wiring Boards 1 Schematic Diagram of A Board 25 2 Schematic Diagram of C Board 29 5 4 Semiconductors 31 6 EXPLODED VIEW 6 1 Chassis 33 7 ELECTRICAL PARTS LIST 34 Section Title Page Section T...

Page 4: ...16 3 Two washer head screws BVTP 4 16 0 Four tapping screws 5 4 Speaker block L 2 Speaker block R 9 Tension spring Degaussing coil 7 C board 5 Anode cap Cushion 8 Deflection yoke Picture tube 6 A board 2 3 PICTURE TUBE REMOVAL 2 Two screws BVTP 4 16 3 One screw BVTP 3 12 1 Two screws BVTP 4 16 4 One screw BVTP 3 12 ...

Page 5: ...ode cap can be removed by turning up the rubber cap and pulling it up in the direction of the arrow c 2 Using a thumb pull up the rubber cap firmly in the direction indicated by the arrow b 1 Do not damage the surface of the anode cap with sharp shaped objects 2 Do not press the rubber too hard so as not to damage inside of anode cap A metal fitting called the shatter hook terminal is built into t...

Page 6: ...gnal with the pattern generator 2 Loosen the deflection yoke mounting screw and set the purity control to the center as shown in Fig 2 3 Turn the raster signal of the pattern generator to green 4 Move the deflection yoke backward and adjust with the purity control so that green is in the center and red and blue are at the sides evenly Fig 1 through 3 5 Move the deflection yoke forward and adjust s...

Page 7: ...t converge on the center of screen perform convergence adjustment using V STAT magnet and BMC Magnet as shown below In the case V STAT magnet and BMC magnet effect each other When the V STAT magnet is moved in the direction of arrow a and b the red green and blue dots move as shown below R G B G R B Center dot V STAT Magnet B R B R a b b b a b a b a R G B b B G R b b a a 1 2 3 G G B G R R G B If t...

Page 8: ...d Vertical static conver gence Adjustment 1 Slightly loosen deflection yoke screws 2 Remove deflection yoke spacers 3 Move the deflection yoke for best convergence as shown below 4 Tighten the deflection yoke screw 5 Install the deflection yoke spacers 3 Screen corner Convergence a d screen corner misconvergence a b c d R G B R G B R G B R G B R G B R G B R G B R G B R G B R G B R G B R G B ...

Page 9: ...d RV702 R BKG 4 Note the color when becomes visible first when turning RV707 SCREEN WHITE BALANCE Cut off 1 Input a all white signal 2 Set the PIC control to minimum and set the BRT control at normal 3 Turn RV703 G DRIVE and RV705 B DRIVE fully clock wise 4 Adjust BKG controls for best white balance 5 Set the PICTURE control to maximum Observe the screen and adjust the DRIVE controls for best whit...

Page 10: ... signal 2 Set the PIC COL and BRT controls to normal 3 Connect the oscilloscope to pin 3 of CN301 connector 4 Adjust RV301 SBM and RV302 PHASE to obtain the waveform as shown below right pattern wrong pattern LINE CRAWLING ADJUSTMENT 1 Input the PAL color bar signal 2 Set the PIC COL and BRT controls to normal 3 Connect the oscilloscope to pin 3 of CN301 connector 4 Adjust T301 for minimum line cr...

Page 11: ... 15 KV B14K3 RM 849S MEMO ...

Page 12: ... 16 KV B14K3 RM 849S MEMO ...

Page 13: ...8 21 DEFLECTION YOKE Y14NDA2 14 1 452 277 00 MAGNET BMC 15 A 1331 432 A C BOARD MOUNTED 16 4 369 318 61 SPRING TENSION 17 1 426 145 13 COIL DEGAUSSING 18 X 4033 290 2 COVER ASSY REAR 19 20 19 4 049 416 01 SHEET BLIND 20 4 041 671 04 COVER REAR 21 4 049 130 01 CLAMP CODE 22 4 302 404 03 SCREW WASHER HEAD P 4X16 23 1 504 450 11 SPEAKER 8CM 24 X 4031 998 3 BOX ASSY SPEAKER 25 1 504 449 11 SPEAKER 9X5...

Page 14: ...IC 0 001MF 10 50V C030 1 102 973 00 CERAMIC 100PF 5 50V C031 1 102 074 00 CERAMIC 0 001MF 10 50V C032 1 102 074 00 CERAMIC 0 001MF 10 50V C033 1 101 004 00 CERAMIC 0 01MF 50V C040 1 126 961 11 ELECT 2 2MF 20 50V C041 1 126 964 51 ELECT 10MF 20 50V C043 1 126 964 51 ELECT 10MF 20 50V C044 1 126 964 51 ELECT 10MF 20 50V C045 1 126 960 11 ELECT 1MF 20 50V C046 1 126 964 51 ELECT 10MF 20 50V C047 1 10...

Page 15: ...220MF 20 450V C605 1 164 497 51 CERAMIC 470PF 10 400V C606 1 104 331 11 CERAMIC 0 0022MF 10 1KV C607 1 136 171 00 FILM 0 33MF 5 50V C608 1 104 332 11 CERAMIC 470PF 10 2KV C609 1 126 600 11 ELECT 100MF 20 160V C610 1 126 943 11 ELECT 2200MF 20 25V C611 1 164 497 51 CERAMIC 470PF 10 400V C612 1 102 228 00 CERAMIC 470PF 10 500V C617 1 102 973 00 CERAMIC 100PF 5 50V C618 1 130 491 00 MYLAR 0 047MF 5 5...

Page 16: ...9 302 43 DIODE EL1Z D852 8 719 028 72 DIODE RGP02 17EL 6433 D853 8 719 302 43 DIODE EL1Z D855 8 719 302 43 DIODE EL1Z D857 8 719 908 03 DIODE GP08D D858 8 719 908 03 DIODE GP08D D860 8 719 911 19 DIODE 1SS119 25 D901 8 719 911 19 DIODE 1SS119 25 D902 8 719 109 89 DIODE RD5 6ESB2 DELAY LINE DL301 1 415 122 31 DELAY LINE 1H PAL FUSE F601 1 532 237 11 FUSE TIME LAG BET 3 15A 250V FERRITE BEAD FB251 1...

Page 17: ...07 11 CARBON 150 5 1 4W R018 1 249 429 11 CARBON 10K 5 1 4W R019 1 249 417 11 CARBON 1K 5 1 4W R020 1 249 417 11 CARBON 1K 5 1 4W R021 1 249 417 11 CARBON 1K 5 1 4W R022 1 249 417 11 CARBON 1K 5 1 4W R023 1 249 429 11 CARBON 10K 5 1 4W R024 1 247 891 00 CARBON 330K 5 1 4W R025 1 247 863 91 CARBON 22K 5 1 4W R026 1 249 420 11 CARBON 1 8K 5 1 4W R027 1 249 429 11 CARBON 10K 5 1 4W R028 1 249 429 11 ...

Page 18: ... 10K 5 1 4W R518 1 249 426 11 CARBON 5 6K 5 1 4W R520 1 249 414 11 CARBON 560 5 1 4W R521 1 249 431 11 CARBON 15K 5 1 4W R522 1 247 815 91 CARBON 220 5 1 4W R532 1 249 411 11 CARBON 330 5 1 4W R551 1 249 428 11 CARBON 8 2K 5 1 4W R552 1 215 867 00 METAL OXIDE 470 5 1W F R553 1 249 421 11 CARBON 2 2K 5 1 4W R556 1 216 429 00 METAL OXIDE 270 5 1W F R557 1 216 393 00 METAL OXIDE 2 2 5 3W F R558 1 249...

Page 19: ...31 CARBON 100 5 1 4W R716 1 247 807 31 CARBON 100 5 1 4W R717 1 247 807 31 CARBON 100 5 1 4W R718 1 202 838 00 SOLID 100K 20 1 2W R720 1 202 883 11 SOLID 680K 20 1 2W R725 1 216 344 00 METAL OXIDE 0 39 5 1W F R727 1 202 824 00 SOLID 3 3K 20 1 2W R728 1 215 899 11 METAL OXIDE 15K 5 2W F R729 1 202 824 00 SOLID 3 3K 20 1 2W R730 1 215 899 11 METAL OXIDE 15K 5 2W F R731 1 202 824 00 SOLID 3 3K 20 1 2...

Page 20: ...MISCELLANEOUS 1 417 151 21 MATCHING TRANSFORMER ANTENNA 1 426 145 13 COIL DEGAUSSING 1 452 032 00 MAGNET DISC 1 452 277 00 MAGNET BMC 1 501 730 41 ANTENNA TELESCOPIC 1 504 449 11 SPEAKER 9X5CM 1 504 450 11 SPEAKER 8CM 1 574 062 61 CORD POWER WITH CONNECTOR 2 5A 250V 8 451 418 21 DEFLECTION YOKE Y14NDA2 8 735 562 05 PICTURE TUBE A34JBU70X ACCESSORIES AND PACKING MATERIALS 1 417 151 21 MATCHING TRAN...

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