Loewe CAL 2323 MB Service Manual
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Loewe CAL 2323 MB Service Manual

Loewe CAL 2323 MB Service Manual

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Service Manual
ACO 9303 59471
PLA 5303 59470
CAL 2323 59414
A2400
230-90353.940
CAL 2323 MB
°
Art.-N
59414
ACO 9303 PB
°
Art.-N
59471
PLA 5303 PL
°
Art.-N
59470

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  • Page 1 Service Manual A2400 230-90353.940 ACO 9303 59471 CAL 2323 59414 CAL 2323 MB ° Art.-N 59414 ACO 9303 PB ° Art.-N 59471 PLA 5303 PL ° Art.-N 59470 PLA 5303 59470...

  • Page 2: Table Of Contents

    Table of contents Chapter 2 Schematic diagrams and P.C.B. diagrams Chapter 3 Spare parts list Chapter 1 General Schematic, P.C.B. Components chart ..........3 - 1 Note on electrostatic shielding ......1 - 3 Adapter PCB ........2 - 1 ..2 - 1 CAL 2323 ...............3 - 2 Safety precaution ...........1 - 3 Remote control ........

  • Page 3: Note On Electrostatic Shielding

    CAUTION: cedure in this manual. It is recommended that the reading of Leakage current hot check the high voltage be recorded as a part of the service record. 1. Before returning the set to the customer, always perform an These servicing instructions are for use by qualified service It is important to use an accurate and reliable high voltage AC leakage current check on the exposed metallic parts of personal only.

  • Page 4: Rear Panel Removal

    Rear panel removal Rear panel removal How to move the chassis into the service Unscrew the five rear panel screws R to remove the rear panel. Insert screw driver into recess V. Depress interlocking and at the position same time slide rear panel to the rear (fig. 2a). ACO 9303 MB / Press interlocking in direction of arrows and at the same time slide rear panel to the rear (fig.
  • Page 5 Service position for the signal board Fig. 6 Fig. 5 Metal cover (front) AV Cover Screws (A) AV Cover Metal cover (rear) Extension cable(Part number 3 x 396-90288.938) to CRT board W 3201 Fig. 8 Fig. 7 1 - 5...

  • Page 6: Technical Specification

    Technical specifications CAL 2323 MB with micro digital chassis A 2400 / 8 bit Picture tube: Philips 33” 4:3, picture diagonal length: 84cm (visible 79cm), deflection angle 110°, heating voltage 6.3 Vrms (28Vp-p)/310 mA, degaussing each time the set is switched on...

  • Page 7: Wiring Diagram

    Wiring diagram • CAL 2323 MB W3154 U8211 W3201 W3152 W8301 W8010 CRT board & SVM W8461 Control unit W3362 L8101 W3258 W8001 W8003 U G2 Booster coil 120 V~ to Speaker grid Right Left frequency frequency Internal 170-87684.002 Internal...
  • Page 8 Wiring diagram • ACO 9323 MB W8001 W3154 W3201 W3152 Control unit N8002 CRT board & SVM W8001 W8302 W8003 L8101 W3362 W8015 N8010 W8104 W3258 N8011 W8101 170-87684.002 U G2 120 V~ Speaker to Speaker to Speaker Booster coil grid grid grid...
  • Page 9 Wiring diagram • PLA 5303 W8001 W3154 W3201 W3152 W8302 Control unit N8002 CRT board & SVM W8001 Control unit L8101 W3362 N8010 W8015 W8104 W3258 N8011 W8101 170-87684.002 U G2 120 V~ to Speaker to Speaker Booster coil grid grid Right Left...
  • Page 10 Basic Board (A 2400) P662 P633 Q589 C B E – Q661 W545 I 611 I669 I670 TDA4605-03 D613 C B E Q593 Q585 D670 D623 Q586 D617 F611 Q624 D652 W619 D622 W611 D536 D534 D539 U B NTSC mode D626 136V (32") 16:9 R 619...
  • Page 11 Arrangement of the SERVICE Mode commands on the remote control cable audio video power mode ch edit favorite mute input Service Mode Off Switching to TV-Service Mode ) Return to TV operating mode menu exit freeze info Storing of alignment value in memory Control at TV Volume vol–...

  • Page 12: Service Menu

    Service menu (A 2400) S e r v i c e S y s t e m d a t a G e o m e t r y C u t o f f W h i t e d r i v e O p t i o n b y t e s Geometrie S y s t e m d a t a...

  • Page 13: Adjustment Procedures

    Adjustment procedures Service Mode A 2400 30.05.2000 1. Function High voltage at zero beam: Max high voltage: S e r v i c e ß Service mode permits the calibration of variable EAROM values. Picture size UB (NTSC Mode) High voltage S y s t e m d a t a G e o m e t r y 2.
  • Page 14 4. Alignment functions (0-12) Alignment functions Display - Screen e.g. Settings / special features Geometrie Vertical Amplitude V Amplitude xx Geometrie Optimum setting Vertical Position V Position xx Color test pattern (FuBK) Geometrie Vertical Symmetry V Symmetry xx Geometrie Vertical Linearity V Linearity xx Geometrie Horizontal Amplitude...
  • Page 15 5. Alignment functions (13-21) Alignment functions Display - Screen e.g. Settings / special features At colour output stage (MP1, MP2, MP3) check the highest of the displayed tension. Use Ug2 controller in DST or controller unit to adjust: Cutoff = 148 ± 2.5V DC [Before that adjustment contrast has to be set to 50, brightness to 23 and colour saturation to 32.
  • Page 16 6. Alignment functions (22-37) Alignment functions Display - Screen e.g. Settings / special features Colour VCO: main Subcarrier Osc. Adjust zero beat (autom. adjustment) stop start Colour VCO: PIP Subcarrier Osc. Adjust zero beat (autom. adjustment) stop start Adjustments Y Delay Y delay xx Optimum settings Adjustments...

  • Page 17: Colour Test Pattern (Fubk)

    7. Analog adjustments Alignment functions outside the Service Mode (= analog alignment points) Adjustment Signal Condition Mst. point Adjustments Settings / special features Screen 142V ± 0,5V (33") 4:3 Operating voltage 136V ± 0,5V (32") 16:9 Test pattern P 662 110/120V~ Measuring UB 146V ±...

  • Page 18: Option Byte Table

    Option Byte Table Adjusted in the factory ”0” ”1” Alignement function Bit-Nr. Meaning CAL 33" PLA 32" ACO 32" N°. 16:9 16:9/RF Timeout No Timeout HDLC Synch slicer threshold not written written Read sidepanel from PROM (new BESIC) EAROM — —...
  • Page 19 Option Byte Table Adjusted in the factory ”0” ”1” Alignement function Bit-Nr. Meaning CAL 33" PLA 32" ACO 32" N°. 16:9 16:9/RF enabled disabled Default aspect ratio 16:9 Picture size Rotations coil disabled Split screen vert. delay enabled Byte 3 Switch-off autom.
  • Page 20 TV Menu (A 2400) 1 - Indoor/outdoor antenna Channel Search Antenna/Cable A Add/Del Channel 2 - Cable (CATV) without cable box Edit Ch Name 3 - Cable (CATV) with cable box Antenna/Cable A Add/Del Fav Ch Antenna/Cable A ADD/DEL CHANNELS Antenna/Cable Cable Box Antenna/Cable A...

  • Page 21: Adapter Pcb

    4-pol. orange yellow white LOEWE. Naming: Adapter PCB 396-87957A Adapter PCB Components side Code/Part-N°. Index 396-87957.050 Date: 24.07.2000 2 - 1...
  • Page 22 Q181 D181 I151 C176 BC847B LL4148 R176 R121 R120 24LC16B Z019 Z020 Z021 Z022 freece menu exit info Z023 LOEWE. Naming: Z024 Z025 Z026 IR remote control Z027 Code/Part-N°. Index Z028 Z029 Z030 Z031 396-87628 green yellow blue Date: 16.09.99...
  • Page 23 Infrared remote handset ”Control USA” 263-87000.063 R173 C178 C176 R174 R177 C122 D176 R178 Z026 C121 I171 C101 R120 R181 Q181 R121 R182 B001 D182 D121 B002 I101 R127 R117 R152 R151 R118 Z024 X111 D117 D118 I151 Infrared remote control PCB 396-87628C Components side 2 - 3...
  • Page 24 BC847B ZD12V0 ZD12V0 TSOP-1736 R8005 L8447 R8003 6µ8 R8222 R8215 Infrared receiver L8417 W8003 6µ8 C8448 ESD-GND LOEWE. U5SB Naming: ESC Prodective measure C8418 W8010 R8301 D8492 C8391 D8091 C8091 Control unit LL4148 270p LL4148 270p = LF-GND = Headphone-GND...
  • Page 25 115V / AC in L8101 to GND- Grid N8101 W8104 W8003 W8001 C8106 0 9 8 7 6 5 4 3 2 1 C8101 to Sig.-Board D8100 C8102 I8101 T8101 S8101 C8104 W8010 to GND- L8447 L8417 Chassis N8010 W8301 1 10 9 8 7 6 5 4 3 2 1 B8002 to Sig.-Board...
  • Page 26 D8211 Q8114 D8106 Q8111 C8418 D8103 C8448 C8103 Q8002 D8336 D8331 C8311 C8321 D8201 D8202 D8205 Control Board 396-87506.081 Solder side 2 - 6...
  • Page 27 U5SB W8461 I8016 Headphone D8202 D8201 ZD12V0 TSOP-1736 ZD12V0 C8448 Infrared receiver L8447 6µ8 C8300 R8417 100p LOEWE. L8417 Naming: C8418 6µ8 = LF-GND Control unit W8351 = Headphone-GND COMBINATION BATTEN (W8321,W8311,W8341,W8331,W8461) = DIG-GND D8491 D8492 LL4148 LL4148 = ESD-GND Index Code-Teile-Nr.:...
  • Page 28 W8012 N8005 W8102 N8011 N8012 C8106 W8104 W8010 N8004 I8101 N8003 to GND- N8010 Grid C8102 S8101 to GND- C8104 Chassis N8015 D8100 N8001 L8101 L8447 L8417 T8101 N8002 W8302 C8101 W8461 1 2 3 4 5 6 7 8 9 1011 to Signal Board W8001 C8016...
  • Page 29 R8424 R8423 R8422 C8103 C8300 D8392 D8391 C8391 Q8114 D8106 D8336 D8103 C8448 C8418 Q8111 D8211 D8331 D8091 Q8002 C8091 D8201 C8321 C8311 D8092 D8202 D8492 D8491 C8491 D8204 D8205 Control Board 396-87777.081 Solder side 2 - 9...
  • Page 30 ZD12V0 R8005 R8004 D8202 I8016 R8221 R8222 W8461 ZD12V0 TFMS-5360 C8448 Headphone W8003 Infrared receiver L8447 U5SB 6µ8 LOEWE. L8417 R8417 Naming: 6µ8 C8418 W8351 Control unit COMBINATION BATTEN = Video-GND (W8321,W8311,W8341,W8331,W8461) = Headphone-GND D8492 D8491 LL4148 LL4148 = DIG-GND C8491 Code/Part-N°.
  • Page 31 N8005 to GND- W8010 Chassis W8102 N8011 N8012 C8102 C8106 W8104 I8101 N8010 C8104 Signal Board S8101 1 2 3 4 5 6 7 8 910 W8302 W8015 W8003 D8101 to GND- Grid N8015 R8302 C8101 N8001 L8447 L8417 T8101 N8002 R8301 L8101...
  • Page 32 R8424 R8004 R8423 R8422 C8103 Q8114 D8331 D8336 D8106 C8448 C8418 Q8111 D8103 D8211 D8011 Q8002 C8011 C8321 C8311 D8012 C8391 D8492 D8491 C8491 D8201 D8202 D8391 D8392 D8204 D8205 Control Board 396-87819.081 Lötseite • Solder side 2 - 12...

  • Page 33: Crt Board

    R229 C158 R221 470µ R154 R213 680R Q157 C154 R214 R215 BC856B C222 C221 Q221 R218 Naming: Q216 W154 LOEWE. BC640 BC847B 220R R217 R220 CRT board Q213 R222 D218 D219 BC847B A 2400 BA592 BA592 C219 R226 R227 470R 470R Leading number 3...
  • Page 34 W154 C342 W201 R154 D351 C158 C364 R153 C362 W152 C351 C321 L366 R329 R364 C366 C154 R388 C370 R374 R2000 R378 R384 V001 R398 C380 R394 C368 Q222 L226 I370 Q221 W362 I380 I390 R368 R369 C390 W361 HV-GND C367 C360 D367...
  • Page 35 Q211 Q182 Q162 Q204 Q213 Q172 Q341 Q321 Q343 Q161 Q181 Q171 Q157 Q326 Q362 Q216 Picture tube PCB 396-87833A Solder side 2 - 15...

  • Page 36: Rotations Panel

    100n BC547 100n 100n 100n LM2902 BC547 10µ I01C LM2902 I01B BC557 BC557 LM2902 – – I01A 100n LM2902 – Rotation – I01D LM2902 Naming: LOEWE. Rotations panel A2400 Code/Part-N°. Index 396-87281.051 Date: 19.01.1998 2 - 16...
  • Page 37 Rotation Panel PCB 396-87281.051 Rotation Panel PCB 396-87281.051 Components side Solder side 2 - 17...

  • Page 38: Vga Ir Adapter

    W803 I891 I891D 74HCT00 N803 74HCT00 I891A I891B 74HCT00 74HCT00 C891 100n W881 Q881 BC807 L885 R893 R894 R882 C885 LOEWE. 100n Naming: W886 C893 X893 R883 VGA-/IR-Adapter R881 100p 429kHz C894 C896 A2400 R886 100p 100n Code/Part-N°. Index 390-87717.060...
  • Page 39 W886 W876 W877 W881 R882 C842 W831 C816 W801 W803 N803 VGA-/IR-Adapter 396-87717C Components side 2 - 19...
  • Page 40 R894 R877 C877 C891 C894 D877 R886 R893 R895 C886 D876 C895 C885 L885 C876 R883 R876 C893 R884 R881 R846 C896 L826 L841 D841 D842 C826 C841 R827 R826 C811 R843 C827 R825 R852 R829 R844 R828 R851 R823 R824 C828 R813...
  • Page 41 I711 R724 PC3SD21NTZB R706 3R PTC W721 LOEWE. Naming: Adapter modul Degaussing Switch R711 W706 to Basicboard Y711 BTA08600A R726 220R R712 Code/Part-N°. Index 396-87862.050 Supply voltage potential Set potential (off ground) Date: 29.03.2000 594/390-87862.010 I711 W706 R726 R711 R712...
  • Page 42 4µ7 Naming: LOEWE. Cross-over network Basic-Board 22µ Code/Part-N°. Index 396-85729.068 Date: 21.09.2000 to wide band speaker to low-frequency speaker to treble loudspeaker to Basic-Board Cross-over network PCB 396-85723.068 Component side 2 - 22...
  • Page 43 3µ3 Naning: LOEWE. 0m56 Cross-over network Basic-Board Code/Part-N°. Index 396-85729.069 Date: 21.09.2000 to low-frequency speaker to treble loudspeaker to Basic-Board Cross-over network PCB 396-85723.069 Component side 2 - 23...
  • Page 44 L4442 L4503 L4546 L4402 L4422 C4801 C4873 L4441 L4401 L4543 X4701 L4432 L4431 L4111 W4105 B4401 W4100 L4331 L4332 L4523 L4816 L4301 C4819 L4302 L4342 X4832 X4831 X4751 P4821 L4201 L4831 C4613 L4231 L4232 X4771 W4150 C4806 C4837 W4200 W4800 X4651 Tuner/IF PCB 396-87222i...
  • Page 45 L442 X926 L452 L503 L816 P821 L422 X936 X751 L451 L431 L432 X916 C819 L193 W100 I800 L331 L332 X771 X906 L302 L342 C873 C942 L201 C613 C956 C806 X701 L202 W150 W200 W800 X651 Tuner/IF PCB 396-87526B Leading Number 4 . . . Components side R755 R754...
  • Page 46 C4300 C4602 C4610 C4616 C4604 C4603 C4803 C4872 C4601 C4836 C4856 Band switch and tuning voltage generation LOEWE. Naming: W4200 W4800 Tuner IF Code/Part-N°. Index ## = Component of printed circuit board 396-87222 Tuner IF schematic 260-87507.051 Date: 26.07.2000 2 - 25...
  • Page 47 R4645 C4174 C4300 C4602 C4610 C4616 C4604 C4603 C4959 C4601 C4836 C4856 220p LOEWE. Naming: W4200 W4800 Tuner IF not inserted ## = Component of printed circuit board Code/Part-N°. Index 396-87526 Tuner IF schematic 260-87346.050 Date: 09.09.98 2 - 26...
  • Page 48 Components chart CAL 2323 MB 59414.00 ACO 9303 MB 59471.00 PLA 5303 59470.00 Art.-N °. TV set type Set components 3 - 1...
  • Page 49 CHASSIS REPLACEMENT PARTS LIST Warning: Before servicing this chassis, read the “X-ray radiation precaution”, “Safety precaution” and “Product safety notice” instructions on page 3 of this manual. CAUTION: The international hazard symbols “ ” in the schematic diagram and the parts list designate components which have special characteristics important for safety including X-Ray and should be replaced only with types identical to those in the original circuit or specified in the parts list.

  • Page 50: Cal 2323

    CAL 2323 Art.-Nr. 59414.00 ACO 9303 Art.-Nr. 59471.00 Pos.Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. Pos.Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. ° ° ° ° Item N List Part N Var. Item N List Part N Var. ALLGEM.MECHAN.TEILE COMMON MECHANICAL PARTS BAUGRUPPEN UNITS Clamper ..........
  • Page 51 ACO 9303 Art.-Nr. 59471.00 PLA 5303 Art.-Nr. 59470.00 Pos.Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. Pos.Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. ° ° ° ° Item N List Part N Var. Item N List Part N Var. G100 Gehäuse hochgl.-schwarz ..... Cabinet .......... 750-87747702 BAUGRUPPEN UNITS G100...

  • Page 52: Pla 5303

    PLA 5303 Art.-Nr. 59470.00 Basic Board Art.-Nr. 87715.071/073/074 Pos.Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. Pos.Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. ° ° ° ° Item N List Part N Var. Item N List Part N Var. G350 Ziergitter schwarz ......Speaker Grille ......708-87077012 L538 Lin-Regler 5,4UH ......
  • Page 53 Basic Board Art.-Nr. 87715.071/073/074 Basic Board Art.-Nr. 87715.071/073/074 Pos.Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. Pos.Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. ° ° ° ° Item N List Part N Var. Item N List Part N Var. I676 IC TL 431ACLP Integrated Circuit 349-19817020 D549 ZD 30V0 2% ........
  • Page 54 Basic Board Art.-Nr. 87715.071/073/074 Basic Board Art.-Nr. 87715.071/073/074 Pos.Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. Pos.Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. ° ° ° ° Item N List Part N Var. Item N List Part N Var. C542 680N J 250V R22,5 9 ....... Capacitor ........359-28116 R207 6K8 J 0207 ........
  • Page 55 Basic Board Art.-Nr. 87715.071/073/074 Basic Board Art.-Nr. 87715.071/073/074 Pos.Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. Pos.Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. ° ° ° ° Item N List Part N Var. Item N List Part N Var. R668 Resistor ..........366-16330 R555 1K8 G 0204 ........Resistor ........367-20334 R681 3R3 J 0207 .........
  • Page 56 Tuner/ZF / Tuner/IF Art.-Nr. 87346.050 Tuner/ZF / Tuner/IF Art.-Nr. 87346.050 Pos.Nr. Bestell-Bezeichnung Bestell-Nr. Var. Pos.Nr. Bestell-Bezeichnung Bestell-Nr. Var. ° ° ° ° Item N Description List Part N Var. Item N Description List Part N Var. SPULEN COILS D4241 BB 640 SMD ........Diode ........... 351-26568 S4110 HF-Relais G5Y-1-H 5VDC .....

  • Page 57: Signal Board

    Signal Board Art.-Nr. 87934.050 Signal Board Art.-Nr. 87934.050 Pos.Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. Pos.Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. ° ° ° ° Item N List Part N Var. Item N List Part N Var. ALLGEM.MECHAN.TEILE COMMON MECHANICAL PARTS X1701 Quarz 24,576000 MHz HC49U3H ..Crystal Oscillator ......385-24963 H1851 IC-Fassung 32-pol.
  • Page 58 Signal Board Art.-Nr. 87934.050 Signal Board Art.-Nr. 87934.050 Pos.Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. Pos.Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. ° ° ° ° Item N List Part N Var. Item N List Part N Var. Q1036 Transistor BC847BW SOT323 .... Transistor ........344-27272 Q1573 Transistor BC857BW SOT323 .....
  • Page 59 Bedienteil / Control Unit Art.-Nr. 87506.081 Bedienteil / Control Unit Art.-Nr. 87777.081 Pos.Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. Pos.Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. ° ° ° ° Item N List Part N Var. Item N List Part N Var. SCHALTER SWITCHES ALLGEM.MECHAN.TEILE COMMON MECHANICAL PARTS S8001 Taster vertikal (kurz) ......

  • Page 60: Crt Board

    Gehäuse / Cabinet Art.-Nr. 87076.084/085 Bedienteil / Control Unit Art.-Nr. 87819.081 Pos.Nr. Bestell-Bezeichnung Bestell-Nr. Var. Pos.Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. ° ° ° ° Item N Description List Part N Var. Item N List Part N Var. BAUGRUPPEN UNITS ALLGEM.MECHAN.TEILE COMMON MECHANICAL PARTS U8211 Bedienteil kpl.

  • Page 61: Rotation Panel

    Bildrohrplatte / CRT Board Art.-Nr. 87833.053-055 Bildrohrplatte / CRT Board Art.-Nr. 87833.053-055 Pos.Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. Pos.Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. ° ° ° ° Item N List Part N Var. Item N List Part N Var. BUCHSEN/FASSUNGEN SOCKETS D388 Diode BAV103 Implotec-Diode ..

  • Page 62: Degaussing Switch

    Entmagnetisierung / Degaussing Switch Art.-Nr. 87862.050 Frequenzweiche / Cross-over Network Art.-Nr. 85729.068 Pos.Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. Pos.Nr. Bestell-Bezeichnung Bestell-Nr. Var. ° ° ° ° Item N List Part N Var. Item N Description List Part N INTEGR.SCHALTUNGEN INTEGRATED CIRCUITS WIDERSTÄNDE RESISTORS I711...

  • Page 63: Note

    NOTES IR-Fernbedienung / Infrared remote control Artikel-Nr. 87000.063 Pos. Nr. Bestell-Bezeichnung Description Bestell-Nr. Var. ° ° Item N List Part N Var. INTEGR. SCHALTUNGEN INTEGRATED CIRCUITS I171 IC LM 358 SMD ........Integrated Circuit ......350-21521 GEBER-ERSATZTEILE SPARE PARTS FOR TRANSMITTER Batteriefeder 1-fach .......
  • Page 64 Loewe Service Europe Benelux Griechenland Österreich Schweiz Loewe Opta Benelux NV / SA SOUND HELLAS S.A. Robert Bosch AG Telion AG Luitenant Lippenslaan 54 B Kleanthous Str. 10 Postfach 146 Rütistrasse 26 B - 2140 Antwerpen GR - 54642 Thessaloniki...

  • Page 65: Basic Board (Schematic & Pcb)

    Bag for Basic Board (Schematic & PCB) Signal Board (Schematic & PCB) 3 - 18...
  • Page 66 1-10-2000 Subject to modification 3 - 19...
  • Page 67 100n C1502 C1509 C1532 MP12 100n 100n MP22 I1560B 74LV00 RSTR C1533 I1560D 47µ 74LV00 R1509 R1516 U3.3 LOEWE. I1560C Naming: 74LV00 1.00V/Div DC 1.00V/Div DC 500mV/Div DC MP18 MP37 MP56 5.00ms/Div 10.0us/Div 250ns/Div A2400 C1547 L1500 100n U3.3 ch1: pkpk= 3.35 V ch1: T = 16.7ms ch1: pkpk= 38.9 V ch1: T = 31.8us...
  • Page 68 680p 5.00V/Div DC C568 C639 I569 C562 MP15 5.00ms/Div 10.0µs/Div 470n C611 220n UNF- TL431AC Typ-Var. LOEWE. 220n L687 R560 I561 Naming: ch1: pkpk= 27.3 V ch1: T = 20.0ms C689 C614 TDA8177 R619 220n R574 UB = 136V )/150V*) 32" WSSF/16:9...
  • Page 69 L619 L618 B621 Basic Board Table of Variants Q661 T612 T618 I670 C588 I669 R635 C637 R587 R581 Variants NTSC mode (Measuring UB parallel to C651) W545 C553 R631 P633 C B E P662 R623 R582 Q589 C632 R636 C B E Q582 Var.: 071 32Z.
  • Page 70 W1101 W1017 W1004 W1681 W1716 W1012 W1251 W1613 C1010 C1073 C1107 C1780 Video C1486 C1572 R1116 C1114 C1598 C1528 X1483 C1281 C1118 C1644 I1281 I1740 I1781 I1116 I1641 C1063 C1173 C1068 C1646 I1531 I1941 C1948 C1062 I1198 I1066 C1145 C1648 W1951 I1466 C1070...
  • Page 71 I1516 Q1291 Q1296 Q1122 Q1057 Q1441 Q1682 Q1791 Q1436 Q1591 Q1160 Q1664 Q1272 Q1094 Q1252 Q1099 Q1132 Q1146 Q1968 Q1431 Q1967 Q1573 Q1567 Q1562 Q1266 Q1426 Q1966 Q1030 Q1961 Q1416 Q1214 Q1847 Q1158 Q1167 Q1163 Q1152 Q1193 Q1763 Q1963 Q1320 Q1857 Q1323 Q1025...

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