Philips VR540/39 Service Manual

Philips VR540/39 Service Manual

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Video Cassette Recorder
Service
Service
Service
Service Manual
Contents
Chapter
Sec. 1:
Schematic Diagrams and CBA's
Exploded Views
Mechanical and Electrical Parts Lists
For technical data reference is made to the Service Manual of VR540/02/07/16
3103 785 22160. The present manual states only the differences.
Safety regulations require that the set be restored to its original
condition and that parts which are identical with those specified
be used.
Published by BK 2003 Video Service Department
VR540
/39
VR540
/58
VR740
/02
VR740
/07
VR740
/16
Survey of versions:
/02
PAL B/G
/07
PAL I, Ireland
/16
PAL B/G, Spain
/39
SECAM L,L' & PAL B/G
/58
PAL/SECAM B/G, D/K
Printed in Japan
c Copyright reserved
VR740
/58
VR742
/16
VR742
/39
VR742
/58
Subject to modification
GB
3103 785 22170

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Table of Contents
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Summary of Contents for Philips VR540/39

  • Page 1 Video Cassette Recorder VR540 VR740 Service VR540 VR742 Service VR740 VR742 Service VR740 VR742 VR740 Service Manual Contents Survey of versions: PAL B/G Chapter PAL I, Ireland PAL B/G, Spain Sec. 1: Schematic Diagrams and CBA's Exploded Views SECAM L,L' & PAL B/G Mechanical and Electrical Parts Lists PAL/SECAM B/G, D/K For technical data reference is made to the Service Manual of VR540/02/07/16...
  • Page 2: Operating Controls And Functions

    VCR. Buttons with TV feature To call up additional TV functions. STANDBY/ON y y To switch VCR or Philips TV on or off, interrupt menu function. STATUS/EXIT To access or remove the VCR’s on-screen status display. To exit on-screen menus. Or, to access or remove a status display or menu of Philips TV.
  • Page 3: Front Of The Device

    Front of the device STANDBY/ON PROGRAMME RECORD STOP/EJECT PLAY STANDBY/ON To switch off or on, interrupt a function. PROGRAMME+ PROGRAMME- To select the programme number. During normal or slow motion playback, press to adjust the tracking. RECORD To record the TV channel selected at this moments. When tape playback is stopped, press to fast forward the tape at hight speed.
  • Page 4 To switch VCR or Philips TV on or off, interrupt menu function. STATUS/EXIT To access or remove the VCR’s on-screen status display. To exit on-screen menus. Or, to access or remove a status display or menu of Philips TV. 0..9 Press to select channels at VCR or Philips TV.
  • Page 5 Front of the device STANDBY/ON PROGRAMME RECORD STOP/EJECT STILL PLAY PWR. To switch off or on, interrupt a function. STANDBY/ON PROGRAMME+ PROGRAMME- To select the programme number. During normal or slow motion playback, press to adjust the tracking. To record the TV channel selected at this moments. RECORD When tape playback is stopped, press to fast forward the tape at high speed.
  • Page 6: Signal Name Abbreviations

    SIGNAL NAME ABBREVIATIONS [ VR540/ (39, 58), VR740/ (02, 07, 16, 58), VR742/ (16, 39, 58) ] Signal Name Function Signal Name Function Color Phase Rotary Changeover C-ROTA SIgnal 4.43MHz 4.43MHz Clock C-SYNC Composite Synchronized Pulse SCART 1 8Pin Output Control 8POUT-1 Signal C-SYNC...
  • Page 7 Signal Name Function Signal Name Function SCART 8Pin Output Control SC2-IN Input Signal from Pin 8 of SCART2 JK1-8P-OUT Signal SECAM-C-IN SECAM Chroma Signal Input KEY-1 Key Scan Input Signal 1 SECAM-FM- SECAM FM Signal Output KEY-2 Key Scan Input Signal 2 Deck Mode Position Detector SECAM-H SECAM Mode at High...
  • Page 8: Disassembly Flowchart

    CABINET DISASSEMBLY INSTRUCTIONS [ VR740/ (02, 07, 16, 58), VR742/ (16, 39, 58) ] 1. Disassembly Flowchart (1): Identification (location) No. of parts in the figures (2): Name of the part This flowchart indicates the disassembly steps to gain (3): Figure Number for reference access to item(s) to be serviced.
  • Page 9 [4] Jack CBA (L-2) (S-5) Desolder [2] Front Assembly (L-2) Fig. 4 (L-1) Fig. 2 (S-2) (S-3) (S-2) (S-2) (S-4) (S-3) (S-3) (S-2) [3]VCR Chassis Unit (S-3) Fig. 3 1-7-5 HE480DC...
  • Page 10: Top View

    Cylinder Assembly [8] Cylinder Shield (S-7) FE Head AC Head Assembly SW507 LD-SW [9] Rear Panel (L-3) [6] Main CBA [5] Deck Assembly [5] Deck Assembly Cam Gear [6] Main CBA Hole (S-6) Shaft Hole LD-SW [6] Main CBA (S-6) CN505 Fig.
  • Page 11: Block Diagrams

    2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDER Model Mark " " = SMD HOLES OF THE PCB. :USED TO INDICATE A TEST POINT WITH A TEST PIN. F,G,H,I,J,K,L,M (WIRE IS SOLDERED DIRECTLY.) VR540/39 IC501 AL+5V TP507 VR540/58 FUNCTION CBA (SERVO/SYSTEM CONTROL) MAIN CBA SW507...
  • Page 12: Video Block Diagram

    :INDICATES A TEST POINT WITH A JUMPER WIRE ACROSS A HOLE IN THE PCB. (CAN DISCONNECT AND RECONNECT.) :USED TO INDICATE A TEST POINT WITH A COMPONENT LEAD ON FOIL SIDE. VR540/39 2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDER :USED TO INDICATE A TEST POINT WITH NO TEST PIN.
  • Page 13: Audio Block Diagram

    Audio Block Diagram NOTE FOR WIRE CONNECTORS: TEST POINT INFORMATION 1. PREFIX SYMBOL "CN" MEANS CONNECTOR. :INDICATES A TEST POINT WITH A JUMPER WIRE ACROSS A HOLE IN THE PCB. (CAN DISCONNECT AND RECONNECT.) :USED TO INDICATE A TEST POINT WITH A COMPONENT LEAD ON FOIL SIDE. 2.
  • Page 14 SIF OUT IF SIGNAL TU-AUDIO(L) 5 PROCESS TU-AUDIO 1 AUDIO OUT Comparison Chart of IC451 (Hi-Fi AUDIO SIGNAL PROCESS) Models & Marks MUTE-ON Model Mark VR540/39 OUTPUT VR540/58 AUDIO IN MUTE SELECT VR740/02 E,F,G,H,J,K,M VR740/07 MUTE-ON VR740/16 VR740/39 IIC-BUS SDA...
  • Page 15 Power Supply Block Diagram CAUTION CAUTION ! NOTE : FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, Fixed voltage (or Auto voltage selectable ) power supply circuit is used in this unit. The voltage for parts in hot circuit is measured using If Main Fuse (F001) is blown, check to see that all components in the power supply REPLACE ONLY WITH THE SAME TYPE T1.6AL/250V FUSE.
  • Page 16 [ VR540/ (39, 58), VR740/ (02, 07, 16, 39, 58), VR742/ (16, 39, 58) ] Main 1/8 Schematic Diagram Parts Location Guide Ref No. Position Ref No. Position Ref No. Position CAPACITORS CONNECTORS RESISTORS C501 CL501 R522 C502 CL502 R523 C506 CL504 R524...
  • Page 17 2.90 ~ 3.60V S-INH ------------------- ------------------- 3.60 ~ 4.30V ------------------- ------------------- ------------------- 4.30 ~ 5.00V KEY OFF KEY OFF KEY OFF Comparison Chart of Models and Marks MODEL MARK VR540/39 VR540/58 VR740/02 VR740/07 VR740/16 VR740/39 VR740/58 VR742/16 VR742/39 VR742/58 1-10-32 1-10-33 HE473SCM1...
  • Page 18 “ “ = SMD PLAY MODE Models and Marks REC MODE (2.5) MODEL MARK THE SAME VOLTAGE FOR INDICATES THAT THE VOLTAGE VR540/39 IS NOT CONSISTENT HERE. VR540/58 BOTH PLAY & REC MODES. VR740/02 VR740/07 VR740/16 VR740/39 VR740/58 VR742/16 VR742/39...
  • Page 19 MAIN 2/8 Schematic Diagram Parts Location Guide Ref No. Position Ref No. Position CAPACITORS RESISTORS C538 R538 C540 R539 C561 R540 C562 R541 C702 R542 C703 R543 C704 R544 C706 R545 C707 R546 C708 R547 C716 R548 C717 R549 CONNECTORS R566 CN505 R701...
  • Page 20 MAIN 3/8 Schematic Diagram Parts Location Guide Ref No. Position Ref No. Position Ref No. Position Ref No. Position CAPACITORS CAPACITORS TRANSISTORS RESISTORS C251 C347 Q401 R402 C252 C351 Q402 R403 C253 C352 Q403 R404 C254 C401 Q405 R407 C302 C402 Q406 R408...
  • Page 21 Comparison Chart of MODE: SP/REC “ “ = SMD PLAY MODE Models and Marks REC MODE (2.5) MODEL MARK VR540/39 THE SAME VOLTAGE FOR INDICATES THAT THE VOLTAGE IS NOT CONSISTENT HERE. VR540/58 BOTH PLAY & REC MODES. VR740/02 VR740/07 VR740/16 VR740/39...
  • Page 22 Comparison Chart of MODE: SP/REC “ “ = SMD PLAY MODE Models and Marks REC MODE (2.5) MODEL MARK VR540/39 INDICATES THAT THE VOLTAGE THE SAME VOLTAGE FOR VR540/58 IS NOT CONSISTENT HERE. BOTH PLAY & REC MODES. VR740/02 VR740/07 VR740/16 VR740/39...
  • Page 23 MAIN 4/8 Schematic Diagram Parts Location Guide Ref No. Position CAPACITORS C157 C158 CONNECTORS CL151 CL152 CL508 DIODES D153 D154 D155 D156 TRANSISTORS Q153 RESISTORS R158 TEST POINTS JACK Schematic Diagram Parts Location Guide Ref No. Position Ref No. Position CAPACITORS TRANSISTORS C101...
  • Page 24 MAIN 5/8 Schematic Diagram Parts Location Guide Ref No. Position Ref No. Position Ref No. Position CAPACITORS DIODES RESISTORS C002 D051 BB-3 R009 C003 D052 CC-3 R011 C004 D053 BB-2 R012 C005 D-55 CC-3 R013 C006 D056 AA-2 R014 C007 D057 BB-2 R015...
  • Page 25 Comparison Chart of Models and Marks MODEL MARK CAUTION ! CAUTION ! VR540/39 MODE: SP/REC PLAY MODE For continued protection against fire hazard, Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. VR540/58...
  • Page 26 Main 6/8 Schematic Diagram Comparison Chart of Models and Marks MODEL MARK VR540/39 VR540/58 VR740/02 VR740/07 VR740/16 VR740/39 VR740/58 VR742/16 VR742/39 VR742/58 “ “ = SMD MODE: SP/REC PLAY MODE REC MODE (2.5) INDICATES THAT THE VOLTAGE THE SAME VOLTAGE FOR BOTH PLAY &...
  • Page 27 Main 7/8 Schematic Diagram ( D, I, L ) Comparison Chart of Models and Marks MODEL MARK VR540/39 MODE: SP/REC “ “ = SMD PLAY MODE VR540/58 REC MODE VR740/02 (2.5) VR740/07 THE SAME VOLTAGE FOR INDICATES THAT THE VOLTAGE VR740/16 IS NOT CONSISTENT HERE.
  • Page 28 Main 8/8 Schematic Diagram ( F, G, H, I, J, K, L, M ) Comparison Chart of Models and Marks MODEL MARK VR540/39 MODE: SP/REC “ “ = SMD PLAY MODE VR540/58 REC MODE VR740/02 (2.5) VR740/07 INDICATES THAT THE VOLTAGE...
  • Page 29 Comparison Chart of MODE: SP/REC “ “ = SMD PLAY MODE Models and Marks REC MODE (2.5) MODEL MARK VR540/39 THE SAME VOLTAGE FOR INDICATES THAT THE VOLTAGE VR540/58 IS NOT CONSISTENT HERE. BOTH PLAY & REC MODES. VR740/02 VR740/07 VR740/16 VR740/39...
  • Page 30 Function Schematic Diagram ( F, G, H, I, J, K, L, M ) Comparison Chart of Models and Marks MODEL MARK VR540/39 VR540/58 VR740/02 VR740/07 VR740/16 VR740/39 VR740/58 VR742/16 VR742/39 VR742/58 “ “ = SMD Function Schematic Diagram Parts Location Guide Ref No.
  • Page 31 Main CBA Parts Location Guide Ref No. Position Ref No. Position Ref No. Position Ref No. Position Ref No. Position Ref No. Position Ref No. Position Ref No. Position Ref No. Position CAPACITORS CAPACITORS CAPACITORS CAPACITORS RESISTORS RESISTORS RESISTORS RESISTORS C002 C341 C474...
  • Page 32 Main CBA Top View CAUTION ! BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER CAUTION ! For continued protection against fire hazard, SUPPLY CIRCUIT , AN ISOLATION TRANSFORMER MUST BE USED. Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. replace only with the same type fuse.
  • Page 33 Main CBA Bottom View CAUTION ! BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER CAUTION ! For continued protection against fire hazard, SUPPLY CIRCUIT , AN ISOLATION TRANSFORMER MUST BE USED. Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. replace only with the same type fuse.
  • Page 34 Jack CBA Top View Jack CBA Parts Location Guide Ref No. Position Ref No. Position CAPACITORS TRANSISTORS C101 Q101 C102 Q102 C103 RESISTORS C104 R101 C105 R103 C107 R104 C108 R106 C109 R108 C110 R109 C111 R110 C112 R112 C113 R113 C115 R115...
  • Page 35 AFV CBA Top View AFV CBA Bottom View AFV CBA Parts Location Guide Ref No. Position CAPACITORS CONNECTORS DIODES COILS BHC400F01091 RESISTORS CRYSTAL OSCILLATORS 1-10-64 1-10-65...
  • Page 36 Function CBA Top View ( F, G, H, I, J, K, L, M ) Function CBA Bottom View ( F, G, H, I, J, K, L, M ) Comparison Chart of Models and Marks MODEL MARK VR540/39 VR540/58 VR740/02 VR740/07 VR740/16 VR740/39...
  • Page 37: Wiring Diagram

    Models & Marks NOTE FOR WIRE CONNECTORS: AC CORD 1. PREFIX SYMBOL "CN" MEANS CONNECTOR. (CAN DISCONNECT AND RECONNECT.) Model Mark 2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDER VR540/39 HOLES OF THE PCB. (WIRE IS SOLDERED DIRECTLY.) ANT-IN ANT-OUT VR540/58 VR740/02 CN701...
  • Page 38: Ic Pin Function Descriptions

    IC PIN FUNCTION DESCRIPTIONS [ VR540/ (39, 58), VR740/ (02, 07, 16, 58), VR742/ (16, 39, 58) ] Comparison Chart of Models and Marks Signal Active Mark Function Name Level Model Mark N.U. Not Used VR540/36 N.U. Not Used VR540/58 OUT D-V- Dummy V-sync H/Hi-z...
  • Page 39 Signal Active Signal Active Mark Function Mark Function Name Level Name Level OUT D-REC- Delayed Record SCART 1 8Pin OUT 8POUT- Signal Output Control Signal System Reset RESET Signal SCART 2 8Pin OUT 8POUT- (Reset=”L”) Output Control Signal XC-IN Sub Clock SECAM SECAM Mode OUT XC-...
  • Page 40 Signal Active Signal Active Mark Function Mark Function Name Level Name Level Capstan Motor A/D Converter FWD/REV Power Input/ AVcc OUT C-F/R Control Signal Standard (FWD=”L”/ Voltage Input REV=”H”) H/L/ IF AGC Control Supply Reel Signal Hi-z S-REEL PULSE Rotation Signal T-REEL Take Up Reel PULSE Rotation Signal...
  • Page 41: Lead Identifications

    LEAD IDENTIFICATIONS [ VR540/ (39, 58), VR740/ (02, 07, 16, 58), VR742/ (16, 39, 58) ] 2SC1815-BL(TPE2) LM339DT BN1L4M-T 2SC1815-Y(TPE2) KIA339F EL BN1F4M-T 2SC1815-GR(TPE2) BA1F4M-T 2SC3266-Y (TPE2) KTA1266(GR) 2SC2120-Y(TPE2) KTC3199(Y,GR,BL) KTC3203(Y) 2SC2785(J.H.F.K) 2SC1815-BL(TPE2) KRA103M 2SA1020(Y) KRC103M KTC3205(Y) KRA104M 2SA1015-GR(TPE2) KTA1281(Y) LA71750AM-MTB QSZAD0RMB143 QSZAB0RMB144...
  • Page 42: Electrical Parts List

    PRODUCT SAFETY NOTE: Products marked with a h have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through improper servicing. NOTES: Parts that not assigned part numbers (-----------) are not available.
  • Page 43 ELECTRICAL PARTS LIST Pos. 12 NC Description C303 ELECTROLYTIC CAP. 1UF/50V M H7 C304 ELECTROLYTIC CAP. 1UF/50V M H7 C305 CHIP CERAMIC CAP. F Z 0.22UF/16V C307 CHIP CERAMIC CAP. B K 0.047UF/25V C308 CHIP CERAMIC CAP. B K 0.022UF/25V C309 CHIP CERAMIC CAP.
  • Page 44 ELECTRICAL PARTS LIST Pos. 12 NC Description C415 ELECTROLYTIC CAP. 10UF/16V M H7 C416 CHIP CERAMIC CAP. F Z 0.1UF/25V C417 CHIP CERAMIC CAP. B K 0.01UF/50V C418 CHIP CERAMIC CAP. CG J 33PF/50V C419 CHIP CERAMIC CAP. B K 4700PF/50V C421 ELECTROLYTIC CAP.
  • Page 45 ELECTRICAL PARTS LIST Pos. 12 NC Description C522 ELECTROLYTIC CAP. 22UF/6.3V M H7 C523 CHIP CERAMIC CAP. B K 1000PF/50V C524 CHIP CERAMIC CAP. CG J 330PF/50V C526 CHIP CERAMIC CAP. B K 4700PF/50V C527 ELECTROLYTIC CAP. 22UF/6.3V M H7 C529 CERAMIC CAP.(AX) Y M 0.01UF/16V C530...
  • Page 46 ELECTRICAL PARTS LIST Pos. 12 NC Description D012 4822 130 83883 RECTIFIER DIODE FR202 D013 4822 130 83883 RECTIFIER DIODE FR202 D014 4822 130 32715 SCHOTTKY BARRIER DIODE SB340 D015 9965 000 15310 ZENER DIODE DZ-8.2BSAT265 D018 4822 130 30621 SWITCHING DIODE 1N4148M D019 9965 000 12904...
  • Page 47 ELECTRICAL PARTS LIST Pos. 12 NC Description Q004 4822 130 10103 TRANSISTOR KTC3199(Y) Q051 4822 130 42292 RES. BUILT-IN TRANSISTOR KRA104M Q052 4822 130 10098 RES. BUILT-IN TRANSISTOR KRC103M Q053 4822 130 10103 TRANSISTOR KTC3199(Y) Q054 9965 000 11122 TRANSISTOR KTC3205(Y) Q055 4822 130 42959 TRANSISTOR KTA1266(GR)
  • Page 48 ELECTRICAL PARTS LIST Pos. 12 NC Description R070 CARBON RES. 1/4W J 10K OHM R071 CARBON RES. 1/4W J 1.8K OHM R072 CHIP RES.(1608) 1/10W J 68K OHM R073 CARBON RES. 1/4W J 1 OHM R158 CHIP RES.(1608) 1/10W J 6.8K OHM R251 CHIP RES.(1608) 1/10W J 2.2K OHM R252...
  • Page 49 ELECTRICAL PARTS LIST Pos. 12 NC Description R429 CHIP RES.(1608) 1/10W J 2.2K OHM R430 9965 000 09942 CHIP RES.(1608) 1/10W 0 OHM R431 9965 000 09942 CHIP RES.(1608) 1/10W 0 OHM R451 CHIP RES.(1608) 1/10W J 8.2K OHM R452 CHIP RES.(1608) 1/10W J 39K OHM R453 CHIP RES.(1608) 1/10W J 5.6K OHM...
  • Page 50 ELECTRICAL PARTS LIST Pos. 12 NC Description R540 CHIP RES.(1608) 1/10W J 390K OHM R541 CHIP RES.(1608) 1/10W J 390K OHM R542 CHIP RES.(1608) 1/10W J 1.8K OHM R543 9965 000 13036 CHIP RES.(1608) 1/10W J 1K OHM R544 CHIP RES.(1608) 1/10W J 2.7K OHM R545 CHIP RES.(1608) 1/10W J 2.2K OHM R546...
  • Page 51 ELECTRICAL PARTS LIST Pos. 12 NC Description MISCELLANEOUS 9965 000 17148 JACK BOARD(U27 FTZ) HE480ED AC001 9965 000 08666 AC CORD PE8B2CB1H0A-057 AC001 9965 000 17149 AC CORD PE8B2V51H0A-05B AC001 9965 000 12174 AC CORD PQ8B1V51H0A-05B F001 9965 000 13786 FUSE 21301.6M FH001 4822 256 10461...
  • Page 52 ELECTRICAL PARTS LIST Pos. 12 NC Description L102 4822 526 10685 BEAD CORE B16 RH 3.5X10X1.3 TRANSISTORS Q101 4822 130 42959 TRANSISTOR KTA1266(GR) Q102 4822 130 42959 TRANSISTOR KTA1266(GR) RESISTORS R101 CARBON RES. 1/4W J 820 OHM R103 CARBON RES. 1/4W J 820 OHM R104 CARBON RES.
  • Page 53 ELECTRICAL PARTS LIST Pos. 12 NC Description 4822 265 11267 ANGLE PIN HEADER, 9P 6029B-1-09Z003-T DIODES 4822 130 30621 SWITCHING DIODE 1N4148M IC’s 9965 000 14760 IC:AUDIO PROCESSOR MSP3417G-QG-B8 9965 000 14760 IC:AUDIO PROCESSOR MSP3417G-QG-B8-V3 9965 000 12274 IC:AUDIO PROCESSOR MSP3407G-QG-B8 9965 000 17164 IC:AUDIO PROCESSOR MSP3407G-QG-B8-V3 COILS...
  • Page 54: Front Panel

    EXPLODED VIEWS [ VR740/ (02, 07, 16, 58), VR742/ (16, 39, 58) ] Front Panel 1-17-4 HE480FEX...
  • Page 55 [ VR740/ (02, 07, 16, 58), VR742/ (16, 39, 58) ] Cabinet 2L011 2L011 2B18 2L011 2L011 2B10 JACK CBA 2L012 2L011 2L022 2L042 2L021 2L021 2L051 2L021 2L021 2L022 2L041 SENSOR CBA 2L021 2L041 AFV CBA 2L031 MAIN CBA SENSOR CBA 2L041 2B14...
  • Page 56 X36F X36D X36C [ F,H,K ] [ D,I,L ] [ G ] Some Ref. Numbers are not in sequence. Unit Comparison Chart of Models and Marks Model Mark VR540/39 VR540/58 VR740/02 VR740/07 VR740/16 VR740/39 VR740/58 VR742/16 VR742/39 VR742/58 1-17-6 HE480PEX...
  • Page 57: Mechanical Parts List

    PRODUCT SAFETY NOTE: Products marked with a h have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don’t degrade the safety of the product through improper servicing. MECHANICAL PARTS LIST Pos.

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