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Schematics and PWB’s

39

L01.1E

7.

Layout Large Signal Panel (Part 2 Bottom View)

CL 16532053_08b.eps

150501

Part 2

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Summary of Contents for L01.1E

Page 1: ... C And Supply Voltage Overview Block Diagram 19 Testpoint Overview 20 I2 C And Supply Voltage Overview 21 7 Electrical Diagrams and PWB s Diagram PWB Power Supply Diagram A1 22 36 41 Line Deflection Diagram A2 23 36 41 Diversity Tables A2 A9 A12 24 Frame Deflection Diagram A3 25 36 41 Tuner IF Diagram A4 26 36 41 Video IF and Sound IF Diagram A5 27 36 41 Synchronization Diagram A6 28 36 41 Control...

Page 2: ...SC 4 43 playback only Channel selections 100 channels UVSH IF frequency 38 9 MHz Aerial input 75 W Coax 1 1 2 Miscellaneous Audio output RMS 2 x 5 W stereo 2 x 10 W stereo Mains voltage 220 240 V 10 Mains frequency 50 60 Hz 5 Ambient temperature 5 to 45 deg C Maximum humidity 90 R H Power consumption 58 W 21 to 100 W 33 Standby Power consumption 3 W 1 2 Connections 1 2 1 Side or Front Connections ...

Page 3: ...INT 4 5 7 V EXT 16 9 9 5 12 V EXT 4 3 9 GND 10 11 Green Y 0 7 Vpp 75 W 12 13 GND 14 GND 15 Red V 0 7 Vpp 75 W 16 RGB status 0 0 4 V INT 1 3 V EXT 75 W 17 GND 18 GND 19 CVBS 1 Vpp 75 W 20 CVBS 1 Vpp 75 W 21 Earth GND External 2 YC in CVBS in out Figure 1 4 1 Audio R 0 5 Vrms 1 kW 2 Audio R 0 5 Vrms 10 kW 3 Audio L 0 5 Vrms 1 kW 4 GND 5 GND 6 Audio L 0 5 Vrms 10 kW 7 8 CVBS status 0 2 0 V INT 4 5 7 ...

Page 4: ...1 MAIN CHASSIS PANEL A1 B2 B1 T A2 A3 A4 A5 A12 A9 A10 A8 A14 POWER SUPPLY Q1 FRONT INTERFACE LINE DEFLECTION FRAME DEFLECTION A6 SYNCHRONISATION TUNER IF VIDEO SOUND IF FRONT I O CONTROL HEADPHONE A7 CONTROL µP NICAM 2CS BTSC DECODER A V SWITCHING AUDIO AMPLIFIER REAR I O SCART CL 16532008_037 eps 160501 A15 TILT ROTATION TOP CONTROL PANEL ...

Page 5: ... levels for example in a kitchen the recommended interval is one year The maintenance inspection includes the following actions 1 Perform the general repair instruction noted above 2 Clean the power supply and deflection circuitry on the chassis 3 Clean the picture tube panel and the neck of the picture tube 2 3 Warnings In order to prevent damage to ICs and transistors avoid all high voltage flas...

Page 6: ... Dual I Nicam Dual II and Mono The Mono indication is red when in forced position Teletext p 8 Teletext keys p 8 or VCR keys p 11 2 The television set has 4 keys which are located on the front or the top of the set depending on the model The VOLUME keys are used to adjust sound levels The PROGRAM P keys are used to select the required programmes To access the menus simultaneously hold down the and...

Page 7: ...key to access the specific radio setting Search for radio stations If you used the quick installation all available FM stations have already been stored To start a new search use the Install Auto Store menu for a complete search or Manual Store for a station by station search The Sort and Name menus let you sort or name the radio stations Operation of these menus is the same as for the TV menus Ma...

Page 8: ... this is used to lock all the TV programmes and EXT connectors è Press the d key to quit Mainge Picture Sound Features Install Timer Sleep Time 10 56 Start Time Stop Time Program No Activate Mainge Picture Sound Features Install Features Timer Child Lock Arrêt Parental Cont Rotation Contrast NR 6 Picture settings Sound adjustments Press H then The Picture menu is displayed é Use the îÏ keys to sel...

Page 9: ...e consulted like a newspaper It also offers access to subtitles for viewers with hearing problems or who are not familiar with the transmission language cable networks satellite channels etc 1 2 POWER RADIO SMART TV VCR I S SMART MENU 5 6 4 8 7 9 0 ù Ê Æ ı Ÿ Ó Ë Y 3 P ª 0 9 Ë Ë Ÿ Ó MENU Teletext call Selecting a page This is used to call teletext change to transparent mode and then exit The summar...

Page 10: ... inputs and audio CVBS outputs Carry out the connections shown opposite using a good quality euroconnector cable If your video recorder does not have a euroconnector socket the only connection possible is via the aerial cable You will therefore need to tune in your video recorder s test signal and assign it programme number 0 refer to manual store p 6 To reproduce the video recorder picture press ...

Page 11: ... the cable from red connector 0201 4 Turn the panel 90 degrees counter clockwise 3 5 Flip the panel 90 degrees 4 with the components towards the CRT 6 Turn the panel with the rear I O towards the CRT 5 7 Slide the metal heatsink near the mains transformer 5520 underneath the right chassis bracket so the panel is secured 6 Figure 4 1 Main panel with bracket 1 Disconnect the strain relief of the Mai...

Page 12: ...er unscrewing the 2 fixation screws 1 2 Release the two fixation clamps 2 and lift the board out of the bracket Figure 4 3 4 4 Rear Cover Mounting Before you mount the rear cover 1 Place the mains cord correctly in its guiding brackets strain relief 2 Place all cables in their original position CL 06532012_004 eps 030200 ...

Page 13: ... and AP PAL 61 25 MHz channel 3 for NTSC sets NAFTA LATAM and AP NTSC Colour system PAL M for LATAM BI TRI FOUR NORMA SECAM L for France NTSC for NAFTA and AP NTSC PAL BG for Europe and AP PAL All picture settings at 50 brightness colour contrast hue Bass treble and balance at 50 volume at 25 All service unfriendly modes if present are disabled like sleep timer child parental lock blue mute hotel ...

Page 14: ...igure 5 4 1 LLLL This is the operation hours counter It counts the normal operation hours not the standby hours 2 AAABCD X Y This is the software identification of the main micro controller A the project name L01 B the region E Europe A Asia Pacific U NAFTA L LATAM C the software diversity D DVD F full TXT M mono T 1 page TXT D the language cluster number X the main software version number Y the s...

Page 15: ...7 Indicates if the V chip feature is enabled 8 Value indicates parameter levels at CSM entry CO CONTRAST CL COLOR BR BRIGHTNESS HU HUE SH SHARPNESS 9 Value indicates parameter levels at CSM entry VL VOLUME LEVEL BL BALANCE LEVEL AVL AUTO VOLUME LEVEL LIMITER DV DELTA VOLUME 10 Value indicates parameter levels at CSM entry only for stereo sets TR TREBLE BS BASS How to exit Use one of the following ...

Page 16: ...ated on the Main panel see also figure 8 1 suffix D The ComPair faultfinding program is able to determine the problem of the defective television ComPair can gather diagnostic information in two ways Automatic by communication with the television ComPair can automatically read out the contents of the entire error buffer Diagnosis is done on I2C level ComPair can access the I2 C bus of the televisi...

Page 17: ...Error code 6 was first detected and error code 9 is the last detected newest error Via the blinking LED procedure when you have no picture See next paragraph Via ComPair 5 5 2 How to Clear the Error Buffer The error code buffer is cleared in the following cases By activation of the CLEAR command in the SAM menu When you exit SDM SAM with the STANDBY command on the remote control when leaving SDM S...

Page 18: ... Power Supply 5 8 Repair Tips Below some failure symptoms are given followed by a repair tip Set is dead and makes hiccuping sound MainSupply is available Hiccuping stops when de soldering L5561 meaning that problem is in the MainSupply line No output voltages at LOT no horizontal deflection Reason line transistor 7460 is defective Set is dead and makes no sound Check power supply IC7520 Result vo...

Page 19: ... 0267 0246 1 2 3 4 5 OR SDA SCL COMPAIR CONNECTION FOR SERVICE IR IR STATUS1 STATUS2 LED 3 3V LOCAL KEYBOARD KEYBOARD PROTN KEYBOARD _PROTN EW PROTECTION KEYBOARD _PROTN 0209 7606 1 2 3 LOCAL KEYBOARD OR 7200 B TDA95XX I O VST PWM DAC ROM RAM CPU OSD TELETEXT DISPLAY IIC BUS TRANSCEIVER I O PORTS 67 68 72 71 3 8 7 6 5 66 61 59 1 2 POWER DOWN 69 LED 5 80 3908 7602 M24C08 EEPROM NVM SDA SCL TILT SEL...

Page 20: ... div A8 1V div DC 500us div A8a 1V div DC 500us div A9 500mV div DC 500us div A10 500mV div DC 500us div A11 1V div DC 200us div A11a 500mV div DC 2us div C1 1V div DC 500us div C2 1V div DC 500us div F1 500mV div DC 5ms div F2 500mV div DC 5ms div F3 10V div DC 5ms div F4 5V div DC 5ms div I1 2V div DC 200us div I2 2V div DC 200us div I3 500mV div DC 10us div I4 20mV div DC 10us div L1 1V div DC ...

Page 21: ... CRT 3342 5V TO 6470 8V TO 3008 5202 VIDEO IF A5 VLOT AUX 50V VLOT AUX 13V VLOT AUX 5V VLOT AUX 5V VLOT AUX 5V VLOT AUX 5V VLOT AUX 13V VLOT AUX TO DEGAUSSING CIRCUIT VLOT AUX 13V CONTROL A7 8V TO 4 0217 NOT USED 5V TO 2234 VLOT AUX VLOT AUX 5V TO 3619 8V AUDIO AMPLIFIER A8 8V TO 3948 3950 VLOT AUX 5V TO 9904 8VA MAIN AUX_FB 3460 9420 7471 FRAME OUTPUT 7330 RGB DRIVER 6 3 5001 5472 SYNCHRONISATION...

Page 22: ...6J 6500 6567 BZX384 C4V7 2 3 4 5 6 7 8 2569 100n 3557 1K 3558 330R BAS16 6569 2568 0u47 BC857B 7542 22K 3552 2K2 3566 10K 3569 BC857B 7564 6566 1N4148 9502 5564 2516 1n 470p 2508 1n 2528 2507 1n 4 5 6 7 8 2527 1n SP48012 00 5502 1 2 3 7560 GND 2 IN 1 OUT 3 DSP 3507 33n 2506 L78L33 47K 3529 1N4148 6523 BC847B 7522 0282 6522 BZX384 C20 3528 100R 9503 470n 2526 2559 470p 100R 3559 6541 BZX384 C20 10K...

Page 23: ...67 1 2 3 4 5 0221 VH 1 4 0220 BYD33J 6485 BYD33D 6487 2464 3486 4 3 2 1 9453 6400 BZX79 C9V1 CU15 5465 10R 3451 5463 CI 15 5401 3407 5457 9463 6401 9464 9460 2469 9461 9462 2466 2463 6460 3485 9451 5480 2451 10 11 12 3 5 6 7 8 9 MainAux VT_Supply Bass_panorama BLK IN EWdrive EWD_dyn VlotAux 13V VlotAux 5V VlotAux 13V VlotAux 13V 8V VlotAux 13V POWER_DOWN 5445 1 EHTinfo Filament VideoSupply Hdrive ...

Page 24: ...2 X 5457 Linearity corrector coil X X X X 5457 Linearity corrector coil X 5461 SRW0913DR T01 X X 5461 SRW0913DR T02 X X X X X X X X X 5461 SRW0913DR T06 X X X 5463 C957 02Y X X 5463 CU15 X X 5464 C946 01 Y X X X X 5465 CU15 X X X 5465 U 20D X 5465 UU15 X X 5480 22U X X 5480 33U X X X 5480 39U X X X X X X 5480 47U X X X 6400 1K X X X X X X X X X X 6401 BZX79 C39 X X X X X X X X X 6401 BZX79 C47 X 6...

Page 25: ...6 2471 A3 2472 B4 2473 A5 2474 B1 2475 C1 2476 B5 3470 A4 3471 C5 3472 C5 3473 C5 3474 B2 3475 C2 3477 B5 3478 C5 3479 C5 3480 C5 3495 B5 3496 B5 3497 B6 3498 A2 5471 B5 5472 A5 6470 A6 6476 B4 7471 A2 9471 B5 Item Description 28 Blackline 21 Blackline 25 Blackline 29 Super flat 24 Wide screen 28 Wide screen 32 Wide screen 21 Real flat 29 Real flat 25 Real flat 3470 150K X X X X X 3470 220K X 3470...

Page 26: ... 7 8 9 2 3 4 5 1000 1 10 11 100u 2008 OFWG1984M 1002 1 22n 2009 SCL RF_AGC SDA VIF_2 VIF_1 SIF_1 SIF_2 VT_Supply VlotAux 5V 8V SEL IF LL_M TRAP FM 680R 3005 CL 16532020_028 eps 050601 Item Description 21 West Europe 24 West Europe 25 West Europe FM radio 28 West Europe Blackline D FM radio 28 West Europe Wide screen FM radio 29 West Europe 32 West Europe FM radio 28 West Europe Blackline S No FM r...

Page 27: ...2209 F4 2210 G3 2211 D8 2213 E2 2214 E2 2215 F2 2216 B10 2217 B11 2219 B4 2220 F5 2221 B2 2222 F8 2223 F9 2225 C7 2226 C8 2227 D10 2228 D10 2229 C11 2230 C11 2233 E2 2234 F6 2235 E9 11 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G A B C D E F G 0243 C6 0248 C2 0249 B2 0266 E11 0276 C2 1200 E7 4218 1 2 3 4 5 6 7 8 9 10 330R 3261 1 O 3 2223 10p 2222 22n 1203 TPS G 2 I 100p 2207 220p 2206 75R 3638 3637 75R 5...

Page 28: ...reen East Europe 29 Real Flat East Europe 32 Wide Screen East Europe 25 ARISTONA SBR RADIOLA 28 Wide Screen West Europe 28 Blackline D Side AV East Europe 32 Wide Screen No FM Radio West Europe 28 Blackline D East Europe 28 Blackline D Front I O West Europe 1200 FIL 5M5 5M74 TPWA04B X X X X X X X X X X X X 1201 FIL 5M5 5M7 6M5 TPT02 X X X X X X X X X 2201 100N 25V X X X X X X X X X X X X X X X X X...

Page 29: ... 3636 B2 4601 A7 4602 A7 4603 B7 4604 G2 4618 G2 5602 A6 5603 A6 5604 A6 7200 B B4 7602 A7 7606 E8 9631 E2 9641 E2 9647 B2 8K2 3612 2607 2619 1u 9647 100n 2618 0287 2616 47n 9641 9631 4604 0217 1 2 3 4 5 6 2615 1n 100R 3635 100R 3636 100R 3634 100n 2608 5u6 5602 0250 3601 8K2 0240 1 2 3 4 5 6 7 1R 3632 3633 1R 4602 4603 4601 PDTC143ZT 7606 4K7 3614 3627 4K7 3628 10K 4K7 3629 3630 2K2 2K2 3607 0261...

Page 30: ...2949 AudioSupplyGnd_FB 100p 2947 2948 100p 4905 100p 2950 2911 10n 6K8 3172 0281 1 2 3 4 3 4 0280 1 2 3 4 0275 0271 1 2 STB 5 VCC 1 VOL 9 AudioSupplyGnd_FB 7902 AN7523N CH1 2 CH1 4 CH1 IN 6 GNDCH1 3 GNDINP 7 8 NC 390R 3951 680R 3950 BC847B 7943 100K 3948 33K 3949 1u 2946 0267 1 2 3 2R2 3908 9901 9902 0246 1 2 3 4 5 9904 3902 220K 4902 4904 4921 2901 220n AudioSupplyGnd_FB 4901 330K 3923 330K 3921 ...

Page 31: ...840 B6 2841 C5 2842 A7 2843 A7 2844 C3 2845 C3 2846 G2 2847 D3 2848 D3 2849 C10 2850 D10 2851 E10 2852 E9 2853 F10 2854 F9 4834 2855 E2 3841 33K 2856 E3 2857 F2 2858 F4 2859 G2 2860 F3 2894 A7 2895 A7 2896 F3 2897 C3 2898 B6 3831 B3 1K 3836 3832 A10 3833 B10 3834 D2 3835 D3 3836 E9 3837 E8 3838 F9 3839 E8 3840 E3 3841 F3 3842 G5 4836 2898 10n 1 2 3 2897 390p 0239 220p 2894 560p 2895 3843 2860 4835...

Page 32: ...7802 A E3 7802 B F3 7802 C G3 7803 C5 7804 D5 9801 E2 3809 150R 4809 1K 3805 1K 3808 BC847B 7803 BC847B 7804 150K 3804 150K 3807 3801 220R 4804 4808 4807 Y0 3 Y1 4 Z 7802 C HEF4053BT 6 E 9 S 16 Vdd 7 Vee 8 Vss 5 2802 220n 4806 9801 4805 4803 4801 2804 220n 22u 2801 220n 2805 7 Vee 8 Vss 12 Y0 13 Y1 14 Z 15 Z 7802 A HEF4053BT 6 E 11 S 16 Vdd 7802 B HEF4053BT 6 E 10 S 16 Vdd 7 Vee 8 Vss 2 Y0 1 Y1 7 ...

Page 33: ...181 B3 3182 A3 3183 B3 3184 B3 3185 C3 3186 C3 3681 A8 3682 A9 3683 A7 3684 A8 3685 A7 3686 C8 3691 C9 3692 E8 3693 D10 3694 D9 3695 D7 3981 F3 3982 G3 4691 E8 4692 D7 4693 E7 4694 H1 4695 D9 6181 B4 6681 B8 6691 D8 6692 D9 9181 B5 9982 F2 6181 3693 220R 560R 3685 4691 1603 75R 3181 AudioSupplyGnd_FB AudioSupplyGnd_FB 2696 100p 2694 100p 100p 2695 100p 2693 0286 4695 2186 100p 0278 0277 B 4693 1 0...

Page 34: ...2 D7 3143 D9 3144 E8 3145 E9 3146 E8 3151 F9 3152 F8 3153 F9 3154 F8 3155 G3 4101 B3 4102 C3 4103 A5 4104 B5 4105 F6 4151 F8 4152 F8 6101 D3 6102 D3 1107 6103 E3 6104 E3 6105 F3 6131 D8 7101 F5 7131 E7 16A 17A 18A 19A 2A 20A 21A 3A 4A 5A 6A 7A 8A 9A 4152 4151 100n 2154 4104 2152 100n 4103 100n 2109 2103 100n 4101 4102 0242 1 2 3 4 5 6 7 1 2 3 0236 1 2 3 0227 0229 1 2 3 2139 100n 100n 2112 2133 100...

Page 35: ... 2172 B5 3171 B4 3173 B4 3174 B5 7171 B6 L13 L14 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 A B C D GND IN IN MODE OUT OUT SVR Vcc 0268 1 2 3 68K 3173 7171 2172 220p 3171 120K 2171 100p Tilt VlotAux 13V VlotAux 13V 3174 68K CL 16532020_099 eps 050601 Item Description Rest 32 Wide Screen 2171 100P 1kV X 2172 220P 1kV X 3171 120K 5 X 3172 6K8 5 1 6W X 3173 68K 5 1 6W X 3174 68K 5 1 6W X 7171 BC857B Diversity T...

Page 36: ...36 L01 1E 7 Schematics and PWB s Layout Large Signal Panel Top View CL 16532053_007 eps 150501 ...

Page 37: ...2 0287 D7 0292 B1 0293 C2 0294 E5 0295 E6 1000 E8 1002 E6 1003 E6 1004 E6 1200 E5 1201 E5 1203 E7 1400 C6 1500 A2 1515 B3 1530 B5 1531 B5 1532 B4 1533 B4 1534 B4 1535 B4 1600 C1 1601 C1 1602 D1 1603 D1 1606 A1 1660 D6 1831 C3 2005 E7 2006 E7 2008 E8 2161 D7 2171 E3 2172 E3 2209 D5 2210 D5 2216 E5 2220 D5 2229 E6 2230 E5 2235 E6 2244 E6 2246 E6 2247 E6 2250 E6 2400 A5 2401 A6 2402 A5 2404 C6 2441 B...

Page 38: ...38 L01 1E 7 Schematics and PWB s Layout Large Signal Panel Part 1 Bottom View CL 16532053_08a aps 150501 Part 1 ...

Page 39: ...Schematics and PWB s 39 L01 1E 7 Layout Large Signal Panel Part 2 Bottom View CL 16532053_08b eps 150501 Part 2 ...

Page 40: ...40 L01 1E 7 Schematics and PWB s Layout Large Signal Panel Part 3 Bottom View CL 16532053_08c eps 160501 Part 3 ...

Page 41: ...Schematics and PWB s 41 L01 1E 7 Layout Large Signal Panel Part 4 Bottom View CL 16532053_08d eps 160501 Part 4 ...

Page 42: ... Wide screen FM radio 28 Blackline D FM radio 25 Blackline D 28 Blackline D No FM radio 24 Real flat 32 Wide screen No FM radio 29 Real flat 32 Wide screen FM radio 0254 CON 9P F N NECK X X X X X X X X X X X 0254 CON 9P F SEMI DAF X X X 2343 3N3 2kV X X X X X X X 2344 100N 25V X X X X X X X X X X X 2344 Jumper X X X 2345 500V 1N 2346 1N2 2kV X X X X 2346 220P 2kV X 2346 470P 2kV X X 3341 Fuse 1R X...

Page 43: ...M radio 32 Wide screen FM radio 21 Blackline 24 Wide screen 25 Blackline 28 Blackline No FM radio 28 Wide screen No FM radio 2365 22N 250V X X X X X X X X 2366 100N 100V X X X X X X X X 2367 47P 50V X X X 2367 56P 50V X X 2367 150P 50V X 2367 180P 50V X X 2368 22N 50v X X X X X X X X 2372 5P6 50V X X X X X 2373 56P 50V X X 2375 100P 50V X X X X X 2375 330P 50V X X 2376 100N 25V X X X 2377 100N 25V...

Page 44: ...3341 A2 3342 A2 3343 A1 3344 A2 3345 A2 3346 A2 3360 A2 3361 A2 3362 A1 3363 A2 3364 A2 3374 A2 3375 A2 3377 A2 3385 A2 3388 A2 3389 A2 5342 A2 5343 A1 5344 A1 5345 A1 5346 A1 5347 A1 5348 A1 5360 A2 5361 A2 5362 A2 6331 A1 6333 A1 6335 A1 6360 A1 7330 A1 7360 A1 7362 A2 7363 A1 7365 A2 7366 A2 7367 A1 9311 A1 9312 A1 9341 A1 9342 A1 9343 A1 9361 A2 9363 A2 9364 A2 9365 A1 9366 A2 CL 16532053_013 ...

Page 45: ... D4 2176 F3 2177 F3 2178 E3 2179 E3 1 2 3 4 5 6 1 2 3 4 5 6 A B C D E SG07 3150 D4 3151 D4 3152 C4 3153 B4 3155 B4 3156 E3 3157 F3 6161 B4 9152 C3 9153 B4 SG02 B3 SG03 D3 SG04 C3 SG06 F4 SG07 E4 SG06 0277 A 0277 B 3157 1 2 3 4 5 3156 0254 100u 2177 2176 2179 100u 6 7 8 9 2178 4 0232 1 2 3 4 5 0255 1 2 3 2173 330p 2172 9153 9152 0251 1 2 3 4 5 6 7 8 9 3155 75R 0250 C 1 2 3 0250 A 0250 B 4 5 6 SG04 ...

Page 46: ...E A B C SG06 0252 B2 0253 A5 0254 D2 0255 D5 0261 C5 2171 C4 2172 B4 2173 B3 2174 C3 2176 E3 2177 E2 2178 E3 2179 D2 3150 C3 3151 C3 3152 B3 3153 B3 3155 A3 3156 D3 3157 E3 6161 A3 9153 B3 9155 B4 SG02 A3 SG03 C3 SG04 B3 SG06 E3 SG07 E3 4 1 2 3 4 0255 1 2 3 0251 1 2 3 0252 0253 1 2 3 3157 9155 3156 0254 1 2 3 4 5 2174 2177 100u 2176 100u 2179 3 4 5 6 7 8 9 2178 2172 330p 0232 1 2 2173 1 2 3 4 5 6 ...

Page 47: ...0215 A1 1091 B2 1092 B3 1093 B3 1094 C3 2010 B1 3091 A1 3092 A2 3093 A2 3094 A3 3095 A3 3096 C3 6091 B3 BAT85 6091 2010 10n 3095 3K3 3096 1K5 3094 270R 3092 390R 560R 3093 3 3091 560R 0215 1 2 1094 1092 1093 1091 CL 16532020_053 eps 200301 Layout Top Control Panel RF 1091 A1 1092 B1 1093 A2 1094 A1 6091 A1 CL 16532020_059 eps 030401 ...

Page 48: ...Q TO 0239 OF MENU PLUG PLAY 2010 10n 1 2 3 1 2 3 A B C BAT85 6091 3096 1K5 3094 270R 3095 3K3 3092 390R 560R 3093 3091 560R 0215 1 2 3 1094 1092 1093 1091 CL 16532020_054 eps 200301 Layout Top Control Panel FSQ 0215 A2 1091 A2 1092 A1 1093 A2 1094 A1 6091 A2 CL 16532020_100 eps 050601 ...

Page 49: ... oscilloscope to 50 V div and the time base to 0 2 ms external triggering on the vertical pulse 8 Ground the scope at the CRT panel and connect a 10 1 probe to one of the cathodes of the picture tube socket see diagram B 9 Measure the cut off pulse during first full line after the frame blanking see Fig 8 2 You will see two pulses one being the cut off pulse and the other being the white drive pul...

Page 50: ...ertain value see first column value between brackets in first table below When an option bit is disabled its value is 0 3 The total value of an Option Byte is formed by the sum of its eight option bits See second table below for the correct option numbers per typenumber Figure 8 5 Figure 8 6 Option Bit Assignment Following are the option bit assignments for all L01 software clusters Option Byte 1 ...

Page 51: ...set to 1 at the initial set up LANGUAGE ENGLISH COUNTRY GREAT BRITAIN and after exiting from menu VIRGIN_MODE will be set automatically to 0 while UK_PNP remains 1 Default setting 0 OP13 ACI 0 ACI feature is disabled or not applicable 1 ACI feature is enabled Default setting 0 OP14 ATS 0 ATS feature is disabled or not applicable 1 ATS feature is enabled When ATS is enabled it sorts the program in ...

Page 52: ...ot present 1 For AP_PAL chip MSP3465 is present Default setting 0 OP43 STEREO_NICAM_2CS 0 For EU and AP_PAL chip MSP 3415 is not present 1 For EU and AP_PAL chip MSP 3415 is present Default setting 0 OP44 DELTA_VOLUME 0 Delta Volume Level is disabled or not applicable 1 Delta Volume Level is enabled Default setting 0 OP45 ULTRA_BASS 0 Ultra Bass is disabled or not applicable 1 Ultra Bass is enable...

Page 53: ... three option bits are allocated for AP_PAL sound system selection 000 BG 001 BG DK 010 I DK 011 BG I DK 100 BG I DK M Default setting 00 OP73 COLOR_SYSTEM_AP This option bit is allocated for AP PAL colour system selection 0 Auto PAL 4 43 NTSC 4 43 NTSC 3 58 1 Auto PAL 4 43 NTSC 4 43 NTSC 3 58 SECAM Default setting 0 OP74 Reserved Default setting 0 OP75 Reserved Default setting 0 OP77 and 76 TIME_...

Page 54: ...quency to 475 25 MHz PAL SECAM or 61 25 MHz NTSC 1 Set Smart Picture to NATURAL or MOVIES 2 Activate the SAM menu see chapter 5 3 Go to the GEOMETRY sub menu 4 Choose HORIZONTAL or VERTICAL alignment Now you can perform the following alignments Horizontal alignment Horizontal Parallelogram HP Align straight vertical lines in the top and the bottom vertical rotation around the centre Horizontal Bow...

Page 55: ...nking SBL Switch the blanking of the lower half of the screen ON or OFF to be used in combination with the vertical slope alignment H60 Align straight horizontal lines if NTSC input 60 Hz is used i s o PAL 50 Hz V60 Align straight vertical lines if NTSC input 60 Hz is used i s o PAL 50 Hz Figure 8 11 In the table below you will find the GEOMETRY default values for the different sets Figure 8 12 8 ...

Page 56: ...io output IC via the I2 C bus The memory IC retains the settings for favourite stations customer preferred settings and service factory data The on screen graphics and closed caption decoding are done within the microprocessor and then sent to the signal processor IC to be added to the main signal The chassis uses a Switching Mode Power Supply SMPS for the main voltage source The chassis has a hot...

Page 57: ...rnal input switch selects the following input signals Pin 40 terrestrial CVBS input Pin 42 external AV1 CVBS input Pin 44 external Side I O CVBS or AV2 Luminance Y input Pin 45 external AV2 Chrominance C input Figure 9 5 Once the signal source is selected a chroma filter calibration is performed The received colour burst sub carrier frequency is used for this Correspondingly the chroma band pass f...

Page 58: ...htness control for the RGB signals This prevents the CRT from being overdriven which could otherwise cause serious damage in the line output stage The reference used for this purpose is the DC voltage on pin 54 BLCIN of the TV processor Contrast and brightness reduction of the RGB output signals is therefore proportional to the voltage present on this pin Contrast reduction starts when the voltage...

Page 59: ...ut voltage is compared with the voltage across measuring resistor R3471 that provides internal feedback information The voltage across this measuring resistor is proportional to the output current which is available at pins 4 and 7 where they drive the vertical deflection coil connector 0222 in phase opposition IC 7471 is supplied by 13 V The vertical flyback voltage is determined by an external s...

Page 60: ... frequency Flyback converter The efficiency can be improved up to 90 which results in lower power consumption Moreover the supply runs cooler and safety is enhanced The power supply starts operating when a DC voltage goes from the rectifier bridge via T5520 R3532 to pin 8 The operating voltage for the driver circuit is also taken from the hot side of this transformer The switching regulator IC7520...

Page 61: ...nt IL will decrease In other words the transformer will be demagnetised When the inductive current has become zero the next interval begins Interval 4 t3 t t00 resonance time In the fourth interval the energy stored in the drain capacitor CD will start to resonate with the inductance LP The voltage and current waveforms are sinusoidal waveforms The drain voltage will drop from VIN n VOUT to VIN n ...

Page 62: ... of 75 mV This fixed VCO level is called VVCO start The frequency will be reduced in relation to the VCO voltage between 75 mV and 50 mV at levels larger than 75 mV Ctrl voltage 1 425V the oscillator will run on maximum frequency foscH 175 kHz typically At 50 mV VVCO max the frequency is reduced to the minimum level of 6 kHz Valley switching is still active in this mode Minimum Frequency mode MinF...

Page 63: ...on the load t3 Charge of VCC when gate drive is inactive The third interval starts when the UVLO is reached The internal current source charges the VCC capacitor also the soft start capacitor is recharged Once the VCC capacitor is charged to the start up voltage the driver is activated and a new burst cycle is started Figure 9 15 9 6 3 Protection Events The SMPS IC7520 has the following protection...

Page 64: ...sing functions like video processing sound IF vision IF synchronisation etc 9 7 3 User Interface There are two control signals called KEYBOARD_protn and IR Users can interact either through the Remote Control transmitter or by activation of the appropriate keyboard buttons The L01 uses a remote control with RC5 protocol The incoming signal is connected to pin 67 of the UOC The Top Control keyboard...

Page 65: ...om a too high beam current The UOC has the capability of measuring the normal back level current during the vertical flyback So if for some reason the CRT circuit is malfunctioning i e high beam current the normal black current will be out of the 75 mA range and the UOC will trigger the power supply to shut down However this is a high beam current situation the TV screen will be bright white befor...

Page 66: ...OB Option Byte OC Open Circuit OSD On Screen Display PAL Phase Alternating Line Colour system mainly used in West Europe colour carrier 4 433619 MHz and South America colour carrier PAL M 3 575612 MHz and PAL N 3 582056 MHz PCB Printed Circuit board PIP Picture In Picture PLL Phase Locked Loop Used for e g FST tuning systems The customer can give directly the desired frequency POR Power On Reset P...

Page 67: ...F 20 16V 2243 4822 122 33177 10nF 20 50V 2244 5322 121 42386 100nF 5 63V 2245 4822 126 14076 220nF 25V 2247 4822 124 81144 1000mF 16V 2248 5322 122 32654 22nF 10 63V 2249 5322 122 32654 22nF 10 63V 2250 4822 124 22652 2 2mF 20 50V 2252 5322 126 10511 1nF 5 50V 2253 5322 126 10511 1nF 5 50V 2254 4822 051 20008 Jumper 2330 4822 121 51473 470nF 20 63V 2340 4822 124 11565 10mF 20 250V 2341 4822 126 13...

Page 68: ...5 0 1W 3248 4822 051 20333 33k 5 0 1W 3249 4822 116 52231 820W 5 0 5W 3250 4822 050 11002 1k 1 0 4W 3250 4822 116 52303 8k2 5 0 5W 3251 4822 116 52175 100W 5 0 5W 3256 4822 051 10102 1k 2 0 25W 3257 4822 051 20106 10M 5 0 1W 3258 4822 117 10837 100k 1 0 1W 3259 4822 051 20474 470k 5 0 1W 3331 4822 116 52175 100W 5 0 5W 3332 3198 013 01020 1k 2 0 5W 3333 4822 116 52175 100W 5 0 5W 3334 3198 013 010...

Page 69: ...orrector drum 5457 4822 157 11854 Linearity corrector drum 5461 2422 531 02476 TFM driver SRW0913DR T06 B 5461 2422 531 02477 TFM driver SRW0913DR T02 B 5463 4822 157 11711 Choke coil 5464 2422 531 02419 C946 01 5471 3198 018 73380 3U3 5472 4822 157 51157 3 3mH 5480 4822 156 20915 33mH 5480 4822 157 50961 22mH 5480 5322 157 51687 Coil 5500 4822 157 10476 DMF 2820H 5501 4822 157 11523 5mH 2A 5502 2...

Page 70: ...rious 0232 4822 267 31014 Headphone socket 0246 4822 267 10734 5P 0250 4822 265 11606 3P 0251 4822 267 10735 3P 0253 2422 025 16382 3P male 0254 4822 267 10734 5P 0255 4822 267 10565 4P 1831 4822 242 10769 Chrystal 18 432MHz 2171 5322 122 32311 470pF 10 100V 2172 5322 122 32311 470pF 10 100V 2173 5322 122 32311 470pF 10 100V 2174 5322 122 32311 470pF 10 100V 2176 5322 122 32311 470pF 10 100V 2177 ...

Page 71: ...26 13435 1 2nF 10 2kV 2345 4822 122 31175 1nF 10 500V 3091 4822 051 20561 560W 5 0 1W 3092 4822 051 20391 390W 5 0 1W 3093 4822 051 20561 560W 5 0 1W 3094 4822 051 20391 390W 5 0 1W 3095 4822 051 20332 3k3 5 0 1W 3096 4822 117 11139 1k5 1 0 1W 3331 4822 116 52175 100W 5 0 5W 3332 3198 013 01020 1k 2 0 5W 3333 4822 116 52175 100W 5 0 5W 3334 3198 013 01020 1k 2 0 5W 3335 4822 116 52175 100W 5 0 5W ...

Page 72: ...Spare Parts List GB 72 L01 1E 10 ...

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