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SERVICE MANUAL

EU-34HT

34cm CTV

Effective: January, 1999 EU34HTSERV

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Summary of Contents for EU-34HT

Page 1: ...SERVICE MANUAL EU 34HT 34cm CTV Effective January 1999 EU34HTSERV ...

Page 2: ... TDA8840 TDA8842 5 6 UV1316 UV1336 7 TDA2614 7 8 TDA8356 8 TDA6107Q 8 MC44604 9 SDA545X 9 11 ST24C08 11 G1965M 11 AK26 CHASSIS MANUAL ADJUSTMENTPROCEDURE 11 For Adjust Settings 11 WHITEBALANCEADJUSTMENT 11 AGCADJUSTMENT 11 IF PLLNEGATIVEADJUSTMENT 12 4 3 HORIZONTALSHIFTADJUSTMENT 12 4 3 VERTICALSLOPEADJUSTMENT 12 4 3VERTICALAMPLITUDEADJUSTMENT 12 4 3S CORRECTIONADJUSTMENT 12 4 3 VERTICALSHIFTADJUS...

Page 3: ...d Red 14 Ground Blanking 15 Red input 0 7Vpp 75ohm 16 Blanking input 0 0 4VDC 1 3VDC 75ohm 17 Ground CVS output 18 Ground CVS input 19 CVS output 1Vpp 75ohm 20 CVS input 1Vpp 75ohm 21 Ground 1 INTRODUCTION 11AK26 is a 90ø chassis capable of driving 14 tubes at appropriate currents The chassis is capable of working in PAL M PAL N PAL B G and NTSC M The sound system is capable of giving 2 5 watts RM...

Page 4: ...ailable When the horizontal scan is reduced to display 4 3 pictures on a 16 9 picture tube an accurate video blanking can be switched on to obtain well defined edges on the screen Overvoltage conditions can be detected via the EHT tracking pin When an overvoltage condition is detected the horizontal output drive signal will be switched off via the slow stop procedure but it is also possible that t...

Page 5: ...connection of the vertical deflection coil and feedback resistor Rsense R702 R703 The voltage across Rsense is fed via pin 9 to correction amplifier to obtain a deflection current which is proportional to the drive voltage The supply voltage for the TDA 8356 is 15VDC at pin 3 The supply voltage generator has a separate supply voltage of 45VDC at pin 6 6 VIDEO OUTPUT AMPLIFIER TDA6107Q The TDA6107Q...

Page 6: ...LOCK DIAGRAM n TDA8840 8842 8844 n TUNER UV1316 UV1336 n TDA2614 n TDA8356 n TDA6107Q n MC44604 n SDA545X n ST24C08 TDA8840 8842 The TDA884X is I 2C bus controlled single chip TV processor which is intended to be applied in PAL NTSC PAL NTSC and multi standard television receivers These IC s are nearly pin compatible with the TDA837X TV processors but have a higher degree of integration because th...

Page 7: ...t 2Vpp 20 Green output 2Vpp 21 Red output 2Vpp 22 Beam current limiter input V guard input 23 Red input for insertion 0 7Vpp Max 0 8Vpp 24 Green input for insertion 0 7Vpp Max 0 8Vpp 25 Blue input for insertion 0 7Vpp Max 0 8Vpp 26 RGB insertion input Max 0 3V 27 Luminance input 1 4Vpp 28 Luminance output 1 4Vpp 29 B Y signal output 1 05Vpp 30 R Y signal output 1 05Vpp 31 B Y signal input 1 05Vpp ...

Page 8: ... accordance with the M N standard The tuning is available through built in digitally controlled IýC bus PLL Features of UV1336 n Global standard pinning n Integrated Mixer Oscillator PLL function n Conforms to CISPR 13 FCC and DOC Canada regulations n Low power consumption n Both Phono connector and F connector are available PINNING PIN VALUE 1 Gain control voltage 4 0V Max 4 5V 2 Tuning voltage 3...

Page 9: ...rol and mounted on the CRT panel Features n Bandwith 4 0 MHz typ at 100Vpp Measured in appli cation set up with Rfl 1K5 and Cl Ctube Cpcb 10pF n Slewrate 950V ms n Fixed gain of 50 times n No external components only the well known supply decoupling n Very simple application with a variety of colour decoders n Black current measurement output for automatic black current stabilization n Only one su...

Page 10: ...6VDC 15 Stand by management Stand by On Detection current ratio Idet Iref 0 38 Min 0 34 Max 0 42 Stand by regulation current ratio Ireg Iref 20 5 Min 18 Max 23 16 Rref input 2 5VDC Min 2 4VDC Max 2 6VDC SDA545X General description The SDA545X is designed for a low cost mono TV set with analogue picture and sound control IN SDA545X the following IC s are used and supported Non volatile memory SDA 2...

Page 11: ...witch transistor selection 2 LOW level 0V HIGH level 5V 20 Audio switch transistor selection 3 LOW level 0V HIGH level 5V 21 Audio switch transistor selection 4 LOW level 0V HIGH level 5V 22 Comb filter standard selection 1 LOW level 0V HIGH level 5V 23 Comb filter standard selection 2 LOW level 0V HIGH level 5V 24 Analogue ground 25 Filter 3 26 Filter 2 27 Filter 1 28 Analogue supply voltage 5VDC...

Page 12: ...l read modes n Self timed programming cycle PINNING PINVALUE 1 Write protect enable Ground 0V 2 Not connected Ground 0V 3 Chip enable input Ground 0V 4 Ground 0V 5 Serial data address input output Input LOW voltage Min 0 3V Max 0 3 Vcc Input HIGH voltage Min 0 7 Vcc Max Vcc 1 6 Serial clock Input LOW voltage Min 0 3V Max 0 3 Vcc Input HIGH voltage Min 0 7 Vcc Max Vcc 1 7 Multibyte Page write mode ...

Page 13: ...vertical centre of the test pattern Check and readjust VERTICAL SLOPE item if the adjustment becomes improper after some other geometric adjustments are done 4 3 VERTICALAMPLITUDEADJUSTMENT ADJUST 12 4 3 Vertical Amplitude Enter a NTSC M test pattern via RF Change vertical slope till horizontal black lines on both the upper and lower part of the test pattern become very close to the upper and lowe...

Page 14: ...ked Note b When already locked at 50 Hz 60 Hz is forced after sync loss Note2 Cm2 Cm1 Cm0 bits Colour Decoder Mode With these bits the automatic mode can be selected or the decoder can be forced to one of the standards Xtal selection bits XA and XB should not be contradictory to a forced Xtal selection in the colour decoder mode e g force pin 35 while there is only a Xtal on pin 34 CM2 CM1 CM0 Col...

Page 15: ...uency 1 IF Frequency shifted for L1 standard align with IFPL don t care OPTION 05 B7B6B5B4B3B2B1B0 B7 Avl 0 Automatic Volume Levelling 1 active 0 disabled B6 Hbl X Wider Horizontal Blanking 1 blank left right edges 0 normal blanking on H flyback pulse don t care B5 Vim X Video Ident Mode 1 Coupled to Source Switch 0 to IF don t care B4 Gai Gain of luminance channel 0 Normal gain of luminance chann...

Page 16: ...d 1 Available Note6 SVhs This bit selects if SVhs input is supported or not 0 SVhs not supported 1 SVhs available Note7 AV This bit selects if AV input is supported or not 0 Not supported 1 Available OPTION 08 B7B6B5B4B3B2B1B0 B7 b7 Note1 B6 b6 Note1 B5 b5 Note1 B4 b4 Note1 B3 b3 Note1 B2 b2 Note1 B1 b1 Note1 B0 b0 Note1 Note1 PLL Tuner control 1 byte b7 b6 b5 b4 b3 b2 b1 b0 PHILIPS UV1336 1316 1 ...

Page 17: ...0 0 0 0 0 1 0 0 SAMSUNG TECC1040PG26A 0 0 0 0 1 0 0 0 THOMSON CTT5050 1 0 0 0 0 1 0 1 OPTION 12 B7B6B5B4B3B2B1B0 B7 b7 Note1 B6 b6 Note1 B5 b5 Note1 B4 b4 Note1 B3 b3 Note1 B2 b2 Note1 B1 b1 Note1 B0 b0 Note1 Note1 PLL Tuner VHF LOW VHF HIGH crossover low byte b7 b6 b5 b4 b3 b2 b1 b0 PHILIPS UV1336 1316 1 1 0 0 0 0 0 0 SAMSUNG TECC1040PG26A 0 0 0 0 0 0 0 0 THOMSON CTT5050 0 0 0 0 0 0 0 0 OPTION 13...

Page 18: ...LIPS UV1336 1316 1 0 0 0 0 0 0 0 SAMSUNG TECC1040PG26A 0 0 0 0 0 0 0 0 THOMSON CTT5050 0 0 0 0 0 0 0 0 OPTION 15 B7B6B5B4B3B2B1B0 B7 b7 Note1 B6 b6 Note1 B5 b5 Note1 B4 b4 Note1 B3 b3 Note1 B2 b2 Note1 B1 b1 Note1 B0 b0 Note1 Note1 PLL Tuner VHF HIGH UHF crossover low byte b7 b6 b5 b4 b3 b2 b1 b0 PHILIPS UV1336 1316 0 0 0 1 1 0 1 1 SAMSUNG TECC1040PG26A 0 0 0 0 0 0 0 0 THOMSON CTT5050 0 0 0 0 0 0 ...

Page 19: ...18 GENERAL BLOCK DIAGRAM OF CHASSIS AK26 ...

Page 20: ...AP EL 10UF 50V M D408 30001347 DIODE ZENER 8 2V C514 30000345 CAP EL 10UF 50V M D420 30001284 DIODE 1N4148 C516 30000371 CAP EL 22UF 50V M D430 30001344 DIODE ZENER 6 2V 1 2W C517 30000345 CAP EL 10UF 50V M D505 30001369 DIODE ZENER 3 6V ZPD C519 30000099 CAP MKT 33NF 63V J D506 30001284 DIODE 1N4148 C521 30000100 CAP MKT 330NF 63V J D507 30001284 DIODE 1N4148 C522 30000099 CAP MKT 33NF 63V J D508...

Page 21: ...30002011 COIL CHOKE 150UH 0 82 A RAD R870 30001131 RES MO 1W 0 22R J L751 30001992 FIXED COIL 10UH Q65 K R904 30001210 RES FUSE 1 4W 100R J L801 30001984 FIXED COIL 2 2UH Q55 M AX R914 30001242 RES FUSE 1 4W 47R J L803 30002011 COIL CHOKE 150UH 0 82 A RAD SW502 30002178 SWITCH TACT SKHHLU LD501 30001279 LED RED GREEN LTL293SJ SW503 30002178 SWITCH TACT SKHHLU MD501 30001670 PREAMPLIFIER TFMS5360 S...

Page 22: ... COVER WO H I PC 1 000 9 2 60000001 ABS NATURAL KG 0 003 10 1 20004287 SNOW BOX ASSY 3730 31 PC 1 000 11 2 20004295 SNOW BOX ASSY 3745 55 PC 1 000 12 3 20004296 SNOW BOX TOP 3745 55 PC 1 000 13 4 60000011 EPS KG 0 127 14 3 20004297 SNOW BOX BOTTOM 3745 55 PC 1 000 15 4 60000011 EPS KG 0 127 16 2 40000089 SNOW BOX 145 320 16MM 3730 31 PC 1 000 17 1 20015360 MD ASY 26 FAV26 PC 1 000 18 2 30001841 CO...

Page 23: ... R1 37 4 30007611 pcb 11ty02 PC 1 000 38 5 60000047 CCL 1220 1020 1 6 FR2 V0 351 M2 0 001 39 3 30000444 CAP CER 470PF 1KV KB PC 1 000 C1 40 2 30001155 RES MO 33K 2W J PC 1 000 R2 41 2 30001320 DIODE GUC BY228 PC 1 000 D1 42 2 30001911 PIN F 4P 2 5MM 11 5MM PC 1 000 43 1 20019523 CRT KIT 14 AK26 WO UL PC 1 000 44 2 30002113 14 DEG COIL EARTH CB PC 1 000 45 2 30007298 CONN ASSY 4 45 R26 HRZ VER IMPR...

Page 24: ...AY 1 G 8 000 65 2 60000190 PAINT ALBA METALIC BLUE 022 7643 KG 0 030 66 1 20021434 LBL BCK CVR TEAC EU 34TB PC 1 000 67 2 20013018 LBL BCK CVR ASSY TV WO UL PC 1 000 68 3 50004065 LABEL LOT W BARCODE 3 PC 1 050 69 3 70000321 RIBBON T13506 ZA 110MM 335MM PC 1 050 70 1 20021435 F CARTON BOX TEAC EU 34TB PC 1 000 71 2 50006050 CARTON BOX 3745 55 43 10 11 CRF TV EMPTY PC 1 000 72 2 50007728 CARTON BOX...

Page 25: ...0006295 BUTTON FUNCTION 3731 GRAY I PC 1 000 90 4 60000001 ABS NATURAL KG 0 008 91 4 60000138 MASTERBATCH GRAY 1 G 0 160 92 3 60000190 PAINT ALBA METALIC BLUE 022 7643 KG 0 002 93 2 35000013 SPRING ON OFF SWITCH PC 1 000 94 1 20021491 LENS 3731W AV V P TEA EU34TB PN429C S PC 1 000 95 2 20000891 LENS 3731 W AV I PC 1 000 96 3 60000016 POLYCARBONAT GRAY PC SMOK KG 0 031 97 1 20026124 CHS ASSY 26 414...

Page 26: ...04 M3 PC 2 000 118 6 35000189 SCREW C NI YSMB M3 6 PC 2 000 119 6 35000540 HEATSINK VERTICAL 11AK26 PC 1 000 120 6 70000074 SILICON GRES KG 0 001 121 5 20014933 HE ASY 26 HORIZANTAL PC 1 000 122 6 30001440 TR 2506DF PC 1 000 Q605 123 6 35000110 HEATSINK 20 HORIZANTAL PC 1 000 124 6 35000158 NUT C ZN BOTTOM M3 PC 1 000 125 6 35000165 KNURL WASHER C ZNSY 3 6 04 M3 PC 1 000 126 6 35000190 SCREW C NI ...

Page 27: ... 160V M PC 1 000 C606 152 5 30000404 CAP EL 47UF 160V M HR PC 1 000 C829 153 5 30000410 CAP EL 470UF 50V M PC 1 000 C115 154 5 30000411 CAP EL 4700UF 16V M PC 1 000 C813 155 5 30000418 CAP EL 100UF 400V M PC 1 000 C804 156 5 30000447 CAP CER 4 7NF 4KV M E PC 1 000 C860 157 5 30001125 RES MO 2W 2 2K J PC 1 000 R610 158 5 30001129 RES MO 22K 3W J PC 1 000 R822 159 5 30001260 RES WW 5W 2 2R J RAD PC ...

Page 28: ... W FTZ EMC TEAC PC 1 000 183 5 30000295 CAP CER 100NF 50V Z F PC 1 000 CX01 184 5 30009846 CABLE 0 6MM BLUE 4CM PC 1 000 CAB2 185 5 30009849 CABLE 0 6MM BLUE 7CM PC 1 000 CAB1 186 5 35000058 SHIELD AK19 SIDE PC 1 000 187 5 35000061 SHIELD AK19 BOTTOM W PVC PC 1 000 188 4 20017314 MB MAN 26 FAV IN BAV OUT PC 1 000 189 5 30001836 CONN MALE 3P TOP BLACK PC 1 000 PL055 190 5 30001837 CONN MALE 3P TOP ...

Page 29: ... KG 0 001 211 6 60000022 MASTERBATCH BLACK KG 0 001 212 5 30002181 SWITCH TACT PC 4 000 SW501 SW502 SW503 SW504 213 4 20018941 MB MAN 26 SDA54XX TEAC 8PG TXT PLL PC 1 000 214 5 20035466 PR IC 26 545X TEAC PC 1 000 215 6 30001862 SOCKET IC 52P SHRINK PC 1 000 IC501 216 6 30006718 IC SDA545X OTP PC 1 000 IC501 217 5 30000084 CAP MKT 150NF 275V M AC P 15 PC 2 000 C801 C802 218 5 30000201 CAP SMD 15PF...

Page 30: ...02 R803 R827 R825 J209 J143 J185 J110 J116 J170 J750 J121 J112 J184 J155 J120 J169 J111 J800 J210 J205 J207 J190 J191 J168 J171 J129 J208 J177 J153 J196 J128 J801 J194 J154 J225 J107 J193 J189 J188 J197 J198 J102 J226 J118 J158 J851 J850 J167 J228 J203 J187 J131 J157 J105 J173 J172 J104 J106 J114 J195 J166 J113 J127 J101 J175 J178 J179 J192 J125 J126 J130 J180 J152 J204 J103 J151 J150 J149 J176 J1...

Page 31: ... 000 R457 253 8 30000622 RES CF 1 4W 270R J PC 1 000 R569 254 8 30000633 RES CF 1 4W 27K J PC 2 000 R805 R451 255 8 30000660 RES CF 1 4W 3 3K J PC 1 000 R707 256 8 30000706 RES CF 1 4W 47R J PC 4 000 R836 R833 R402 R814 257 8 30000712 RES CF 1 4W 470R J PC 1 000 R717 258 8 30000718 RES CF 1 4W 4 7K J PC 3 000 R879 R832 R710 259 8 30000722 RES CF 1 2W 47K J PC 1 000 R828 260 8 30000723 RES CF 1 4W ...

Page 32: ...L202 L203 287 7 30011691 PCB 11AK26 7 PC 1 000 288 6 30000071 CAP MKT 10NF 63V J PC 1 000 C705 289 6 30000074 CAP MKT 100NF 63V J PC 5 000 C403 C436 C435 C703 C709 290 6 30000090 CAP MKT 22NF 100V J PC 1 000 C707 291 6 30000092 CAP MKT 220NF 63V J PC 2 000 C415 C706 292 6 30000106 CAP MKT 47NF 100V J PC 2 000 C604 C411 293 6 30000109 CAP MKT 470NF 63V J PC 3 000 C704 C112 C560 294 6 30000198 CAP C...

Page 33: ... Q604 319 6 30001454 TR BC548B PC 12 000 Q100 Q807 Q805 Q806 Q402 Q514 Q702 Q426 Q406 Q420 Q057 Q401 320 6 30001455 TR BC558B PC 5 000 Q601 Q701 Q503 Q512 Q425 321 6 30001506 IC TL431 PC 1 000 Q809 322 6 30008805 CAP MKT 39NF 63V J PC 1 000 C854 323 6 30008875 CAP MKT 100NF 63V J KUTU PC 1 000 C807 324 5 30000189 CAP SMD 100PF 50V J 0805 PC 4 000 C109 C448 C498 C803 325 5 30000220 CAP SMD 22PF 50V...

Page 34: ...437 R765 R064 R761 R762 343 5 30000475 RES SMD 1 10W 10K J 0805 PC 17 000 R546 R709 R487 R597 R578 R595 R564 R596 R524 R534 R552 R581 R433 R488 R594 R086 C077 344 5 30000475 RES SMD 1 10W 10K J 0805 PC 1 000 R203 345 5 30000480 RES SMD 1 10W 100K J 0805 PC 5 000 R446 R479 R107 R494 R586 346 5 30000489 RES SMD 1 10W 1R J 0805 PC 1 000 R449 347 5 30000499 RES SMD 1 10W 1 2K J 0805 PC 1 000 R461 348 ...

Page 35: ...00 365 5 30000721 RES SMD 1 10W 4 7K J PC 3 000 R527 R542 R486 366 5 30000727 RES SMD 1 10W 47K J 0805 PC 1 000 R100 367 5 30000732 RES SMD 1 10W 470K J PC 1 000 R458 368 5 30000735 RES SMD 1 10W 4 7R J 0805 PC 1 000 R418 369 5 30000747 RES SMD 1 10W 560R J 0805 PC 4 000 R102 R590 R592 R598 370 5 30000755 RES SMD 1 10W 56K J PC 1 000 R106 371 5 30000774 RES SMD 1 10W 680R J 0805 PC 1 000 R068 372 ...

Page 36: ...AD 26 TELETEXT PC 1 000 391 6 20014945 MB AXI 26 TELETEXT PC 1 000 392 7 20014946 MB SEQ 26 TELETEXT PC 1 000 393 8 30001284 DIODE 1N4148 PC 1 000 D510 394 8 30001992 FIXED COIL 10UH Q65 K A PC 1 000 L406 395 6 30000100 CAP MKT 330NF 63V J PC 1 000 C521 396 6 30000345 CAP EL 10UF 50V M PC 1 000 C428 397 6 30001454 TR BC548B PC 1 000 Q415 398 5 30000469 RES SMD 1 10W 1K J 0805 PC 1 000 R448 399 5 3...

Page 37: ...0 6 30001724 FILTER SER TRAP TPS 5 5MHZ PC 1 000 Z209 421 5 30000499 RES SMD 1 10W 1 2K J 0805 PC 1 000 R421 422 5 30000593 RES SMD 1 10W 2 2K J 0805 PC 1 000 R420 423 5 30000668 RES SMD 1 10W 33K J 0805 PC 1 000 R492 424 5 30000710 RES SMD 1 10W 47R J 0805 PC 1 000 R422 425 5 30000727 RES SMD 1 10W 47K J 0805 PC 1 000 R485 426 5 30000755 RES SMD 1 10W 56K J PC 1 000 R548 427 5 30001734 JUMPER SMD...

Page 38: ... 4 35000028 BRACKET BAV 14 PC 1 000 448 4 35000202 SCREW S C ZN YHDB 2 9 9 5 PC 1 000 449 1 20026587 ARTWORK TEAC TEAC EU 34TB AK26 PC 1 000 450 2 20025237 R C 2042 TEAC RC 772 M BLUE 7643 P ÖZ S PC 1 000 451 3 30008755 R C 2042 NB WHITE S MET BLUE 7643 P PC 1 000 452 2 30000001 ANTENNA ROD W ADAPTOR PC 1 000 453 2 30002391 BATTERY AAA UM4 1 5V GREEN PC 2 000 454 2 50007189 I B TEAC EU34TB PLL 54X...

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