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Philips VAD8031 Service Manual

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DVD-Video Recorder
Contents
1
2
3
4
Service Modes, Error Codes and Fault Finding 8
5
Block Diagrams, Waveforms, Wiring Diagram
6
Electrical Diagrams and Print-Layouts
7
Servo Board: Laconic
Servo Board: Tray Motor Connect.(Diagram 7) 27
8
Circuit-, IC Descriptions and List
9
of Abbreviations
Electrical Parts List
10
©
Copyright 2003 Philips Consumer Electronics B.V. Eindhoven, The Netherlands.
All rights reserved. No part of this publication may be reproduced, stored in a
retrieval system or transmitted, in any form or by any means, electronic,
mechanical, photocopying, or otherwise without the prior permission of Philips.
Published by GH03 0395 Service PaCE
Page
2
3
4
5
13
13
Diagram PWB
14
28-29
)
15
28-29
(Diagram 3)
16
28-29
17
28-29
20
28-29
26
28-29
28-29
31
32
47
Printed in the Netherlands
DVD+RW Basic Engine
Contents
Subject to modification
VAD8031
Page
EN 3122 785 13680

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Table of Contents

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   Summary of Contents for Philips VAD8031

  • Page 1: Table Of Contents

    All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips. Published by GH03 0395 Service PaCE...
  • Page 2: Technical Specifications

    EN 2 VAD 8031 Technical Specifications and Connection Facilities 1. Technical Specifications and Connection Facilities VAD8031 functionality: • Loading of 8 cm and 12 cm discs by a motorized tray • Disc type recognition and in case of a DVD+RW disc laser power calibration •...
  • Page 3: Safety Instructions, Warnings And Notes

    Safety Instructions, Warnings and Notes VAD 8031 EN 3 2. Safety Instructions, Warnings and Notes Safety Instructions Warnings 2.1.1 General Safety 2.2.1 General Safety regulations require that during a repair: • All ICs and many other semiconductors are susceptible to electrostatic discharges (ESD, symbol ).
  • Page 4: Directions For Use (no Dfu Necessary)

    EN 4 VAD 8031 Directions For Use Directions For Use Not applicable...
  • Page 5: Mechanical Instructions

    Mechanical Instructions VAD 8031 EN 5 4. Mechanical Instructions Note that exploded views can be found in chapter 10 Cabinet and Clamper Bridge – Remove the encasing by releasing the four screws [1], see General figure 4-1 – Make sure that you do not lose the 5 heat paths (gray Follow the dismantling instructions in described order.
  • Page 6 EN 6 VAD 8031 Mechanical Instructions Tray – Remove encasing as as described in 4.3 – Disengage the two holders that fix the tray [1], see figure 4- 3, and pull out the tray [2] Figure 4-4 Remove PWB DVD-M Caution: Never try to align or repair the DVD-Module itself! Only the factory can do this properly.
  • Page 7 Mechanical Instructions VAD 8031 EN 7 Sledge Motor Assembly Caution: Never try to align or repair the DVD-Module itself! Only the factory can do this properly. Service engineers are only allowed to exchange the sledge motor assy. – Place the DVD-Module, with the laser facing downwards on a soft surface.
  • Page 8 EN 8 VAD 8031 Diagnostic Software 5. Diagnostic Software General 0x11 wobble_pll_error Wobble pll could not lock to wobble signal Please refer to the service manual of the recorder for a 0x12 subcode_timeout_error Subcode information could description of the complete Diagnostics Software. In this not be read manual only drive specific error codes are explained.
  • Page 9 Diagnostic Software VAD 8031 EN 9 0x2F frontend_offset_calib_erro The offset in the frontend couldn’t be calibrated 0x30 reserved 0x31 wsg_calculation_error An error occurred in the cal- culation of the write strategy 0x32 buffer_overrun_error The buffer input stream over- ran the buffer output stream 0x33 return_value_invalid_error The requested information is not available for this inquiry...
  • Page 10 EN 10 VAD 8031 Diagnostic Software Byte 1 - 9: cumulative errors of previous error occurences. Format of the BE error bytes Every individual error has its own bit in the 9-byte structure as described in the drawing below: byte 1 FOCUS FOCUS FOCUS...
  • Page 11 Diagnostic Software VAD 8031 EN 11 5.2.2 Cumulative errors These errors are stored in EEPROM and are thus non-volatile showing the complete error history of the drive. Byte 1 - 9: cumulative errors of previous player / inquiry error occurences. These bytes are the same as the nine bytes (1-9) of the Momentary errors 5.2.3 Software fatal assert...
  • Page 12 EN 12 VAD 8031 Diagnostic Software...
  • Page 13: Block Diagram

    Block Diagram. VAD 8031 6. Block Diagram. Block Diagram RFN3 / RFP3, IC7201 Pin 38/39 LOADER 1002 Tray Motor PWB Assy IC7604 Pin 4 option FS diode OPU66 laser 650nm laser 780nm for Dat a Actuator Drive 650nm PD Headphones Disc Motor RADIAL Sledge...
  • Page 14: Servo Board: Opu Interface (diagram 1)

    Electrical Diagrams and Print-Layouts VAD 8031 7. Electrical Diagrams and Print-Layouts Servo Board: OPU Interface 1100 A3 2100 C4 2101 H4 2102 E4 TO CHEETAH_QD/DRIVERS/CENTAURUS-DRAM-FLASHROM/DEBUG-AND-FLASH 2103 A5 2104 H3 {SERVO-MEAS,VREF,Vdel,Vthr,ENA,RW-Del,HIGH-GAIN,CD-MODE,VIG,VIE,VIA,VID,RFP,RFN,VIB,VIC,VIH,VIF,SERVO-COMM,FOC-,FOC+,RAD,IOthr,EFM-DATAP,EFM-DATAN,EFM-CLKP,EFM-CLKN,EFM_RWN,SCLK,SDIO,SEN,BUSY,IoDel,WSB,SCL,SDA,HIGHPOWER} 2105 H4 2106 D9 2107 C7 2108 F7 2110 B7 1100 3100 E5 I100...
  • Page 15: Servo Board: Cheetah

    Electrical Diagrams and Print-Layouts VAD 8031 Servo Board: Cheetah 2204 B5 2205 B5 2206 C2 2207 C3 2209 B2 2210 B2 2211 B3 2212 B3 2213 F7 2214 F7 2215 F7 2217 H5 2218 H5 2219 C3 {TIMOUT,RFP,RFN,VIA,VIB,VIC,VID,VIE,VIF,VIG,VIH,EFM-CLKP,EFM-CLKN,EFM-DATAP,EFM-DATAN,TS1,TS2,LASP,PPNO,RFP3,RFN3,RFREF,CALF,A1,A2,XDN,D1_TILTN,D2_TLN,D3_REN,D4_FEN,S1_MIRN,S2,MON1,MON2,SIDA,SICL,SILD,SDA,SCL,ALFA,FTC,VERSION0,VERSION1,RW-Del,R-W,GEN-INP0,GEN-INP1,EFMCLK-O,EFM_DATA_P_del,EFM_DATA_N_del,EFM-DATAP,EFM-DATAN,RWN,PORN,EFM_RWN} 2220 C3 2221 C4 2222 C3 TO OPU/EPLD-LADIC-CON/LACONIC_IC/CENTAURUS...
  • Page 16 Electrical Diagrams and Print-Layouts VAD 8031 Servo Board: Laconic 1302 D1 2300 B2 2301 B2 2302 B2 2303 D1 2304 D1 2305 F3 2306 B2 TO OPU/EPLD/CENTAURUS 2307 B2 2308 B5 2309 E6 {WSB,RW-Del,R-W-Delayed,TIMOUT,OSC_IN,PORN,VERSION0,VERSION1,SCL,SDA,SCLK,SDIO,SEN,BUSY,ENA,HIGH-GAIN,CD-MODE,GEN-INP0,GEN-INP1,EFM-CLKP,EFM-CLKN,EFMDATA-3P,EFMDATA-3N,ALFA,LASP,Vdel,Vthr,VREF,IOthr,CD-MODE,HIGH-GAIN,IRQN,OSTR,RWN,SDA,SCL,IoDel} 2310 F4 2311 C1 5300 I303 2312 C2 D3V3 3V3D...
  • Page 17: Servo Board: Drivers (diagram 4)

    Electrical Diagrams and Print-Layouts VAD 8031 Servo Board: Drivers (Overview) I401 B6 1400 B2 1401 H2 I402 B6 {AUXPW,SERVO-COMM,SERVO-MEAS,TR+,TR-,HIGHPOWER,FO+,FO-,SL,RA,DRIVER-ON,FOC-,FOC+,RAD,TRAY-SW,TRAY-INOUT,TRAY-ONOFF,VFOO-,VFOO+,VRAOO,SL-,SL+,VSLOO,REFCOS,COSPHI,REFSIN,SINPHI,TOSTOCEN,TRAYSW,MOTOR-ON,T1,VMOTO1O,MOTO1} 2400 C6 I403 B8 2401 A9 I404 B10 TO CENTAURUS/DEBUG-AND-FLASH D3V3 I406 2403 C5 I405 B9 I407 3406 TRAY-SW 2405 C6 I406 A7 OPU /CENTAURUS/POWER-CONN-AUDIO/DEBUG CONN 3403...
  • Page 18 Electrical Diagrams and Print-Layouts VAD 8031 Servo Board: Drivers (Left page) I406 D3V3 I407 3406 TRAY-SW 3403 2421 2401 1.6V I403 3405 3404 100n TOSTOCEN I404 I405 TRAYSW S1V65 1400 I426 2406 LM358D I440 7401-A 1.6V D3V3 I400 I401 I402 3400 3401 COS-...
  • Page 19 Electrical Diagrams and Print-Layouts VAD 8031 Servo Board: Drivers (Right page) 1400 B2 I401 B6 I402 B6 1401 H2 {AUXPW,SERVO-COMM,SERVO-MEAS,TR+,TR-,HIGHPOWER,FO+,FO-,SL,RA,DRIVER-ON,FOC-,FOC+,RAD,TRAY-SW,TRAY-INOUT,TRAY-ONOFF,VFOO-,VFOO+,VRAOO,SL-,SL+,VSLOO,REFCOS,COSPHI,REFSIN,SINPHI,TOSTOCEN,TRAYSW,MOTOR-ON,T1,VMOTO1O,MOTO1} 2400 C6 I403 B8 2401 A9 I404 B10 TO CENTAURUS/DEBUG-AND-FLASH 2403 C5 I405 B9 I406 A7 2405 C6 OPU /CENTAURUS/POWER-CONN-AUDIO/DEBUG CONN 2406 B9 I407 A6 2407 A7...
  • Page 20: Servo Board: Centaurus (diagram 5)

    Electrical Diagrams and Print-Layouts VAD 8031 Servo Board: Centaurus Part 1 (Overview) 2500 B3 3108-D5 D20 2501 B3 3541-A B5 {AUXPW,TOSTOCEN,MRN,HIGHPOWER,RX2,OSC_IN,PORN,FO-,REFCOS,REFSIN,FO+,SL,RA,FTC,S1_MIRN,D1_TILTN,D2_TLN,D3_REN,D4_FEN,OSTR,CALF,A2,A1,XDN,COSPHI,SINPHI,EFM-DATAN,EFM-DATAP,EFM-CLKN,EFM-CLKP,PPNO,RFREF,RFP3,RFN3,T1,MOTO1,AUDIOL,AUDIOR,HRESET,HDASPN,CS1,CS0,HA2,HA0,HA1,HPDIAGN,HIRQ,HDACKN,IORDY,HRDN,HRWN,HDRQ,SDA,SCL,SILD,SICL,SIDA,RX2,TX2,TX1,RX1_MASTER,EJECTKEY,DRIVER-ON,MOTOR-ON,IRQN,TRAY-SW,TRAY-INOUT,TRAY-ONOFF,VRIN,IEC958,EFM_RWN} 2502 B4 3541-B B5 2503 C2 3541-C B5 POWER-CONN-AUDIO/DEBUG AND FLASH/DRIVERS/CHEETAH_QD 2504 D2 3541-D B5 2505 F2 3542-A B6 2506 F2 3542-B B6 5501...
  • Page 21 Electrical Diagrams and Print-Layouts VAD 8031 Servo Board: Centaurus Part 1 (Left page) {AUXPW,TOSTOCEN,MRN,HIGHPOWER,RX2,OSC_IN,PORN,FO-,REFCOS,REFSIN,FO+,SL,RA,FTC,S1_MIRN,D1_TILTN,D2_TLN,D3_REN,D4_FEN,OSTR,CALF,c I504 I505 5501 5502 D1V8 D3V3 DEBUG(0:13) 7500 I512 4502 SAA7850-M1 A3V3 VSSa1 VDDa1 VSSa2 2503 VDDa2 I513 220n 3500 I503 MOTO1 VSSa3 VDDa3 part 1 of IC 7500 RFN3 U7 MOTO1 RFP3...
  • Page 22 Electrical Diagrams and Print-Layouts VAD 8031 Servo Board: Centaurus Part 1 (Right page) 3108-D5 D20 2500 B3 3541-A B5 2501 B3 A2,A1,XDN,COSPHI,SINPHI,EFM-DATAN,EFM-DATAP,EFM-CLKN,EFM-CLKP,PPNO,RFREF,RFP3,RFN3,T1,MOTO1,AUDIOL,AUDIOR,HRESET,HDASPN,CS1,CS0 ,HA2,HA0,HA1,HPDIAGN,HIRQ,HDACKN,IORDY,HRDN,HRWN,HDRQ,SDA,SCL,SILD,SICL,SIDA,RX2,TX2,TX1,RX1_MASTER,EJECTKEY,DRIVER-ON,MOTOR-ON,IRQN,TRAY-SW,TRAY-INOUT,TRAY-ONOFF,VRIN,IEC958,EFM_RWN} 3541-B B5 2502 B4 2503 C2 3541-C B5 POWER-CONN-AUDIO/DEBUG AND FLASH/DRIVERS/CHEETAH_QD 3541-D B5 2504 D2 3542-A B6 2505 F2 2506 F2 3542-B B6...
  • Page 23 Electrical Diagrams and Print-Layouts VAD 8031 Servo Board: Centaurus Part 2 (Overview) 2514 B2 2515 C2 HRESET 2551 G13 HRESET HDASPN 2552 G13 DASP 3522 B3 3524 D1 3527 F10 DA2_GRD 3529 E13 3530 E13 HPDIAGN 3531 F12 PDIAG 3532 F12 DA1_GWR 3548 E16 HIRQ...
  • Page 24 Electrical Diagrams and Print-Layouts VAD 8031 Servo Board: Centaurus Part 2 (Left page) Left page DA(0) MIU_D0 DA(1) MIU_D1 3586 JTAG_WE DA(2) MIU_D2 820R I655 2514 DA(3) 3522 D3V3 MIU_D3 part 2 of IC 7500 100n DA(4) 2515 MIU_D4 DA(5) MIU_D5 DA(6) 7503...
  • Page 25 Electrical Diagrams and Print-Layouts VAD 8031 Servo Board: Centaurus Part 2 (Right page) 2514 B2 2515 C2 HRESET 2551 G13 HRESET HDASPN 2552 G13 DASP 3522 B3 3524 D1 3527 F10 DA2_GRD 3529 E13 3530 E13 HPDIAGN 3531 F12 PDIAG 3532 F12 DA1_GWR 3548 E16...
  • Page 26: Servo Board: Power, Connectors (diagram 6)

    Electrical Diagrams and Print-Layouts VAD 8031 Servo Board: Power, Connectors 1600-1 B13 3690 C11 I690 C4 1600-2 H13 3691 F3 I691 C5 1600-3 A13 3692 D5 I692 D5 1600-4 I13 3693 D3 CENTAURUS-DRAM-FLASHROM 1600-5 A13 3694 C3 {AUDIOL,AUDIOR,RX1_MASTER,DEBUG(11),TX1,TX2,HDASPN,CS0,CS1,HA0,HA1,HA2,HPDIAGN,HIRQ,HDACKN,IORDY,HRDN,HRWN,HDRQ,HRESET,IEC958,AUDIO_FRONT_L,AUDIO_FRONT_R} 1600-6 I14 4601 B11 1600-7 I14 4604 I2...
  • Page 27 Electrical Diagrams and Print-Layouts VAD 8031 Servo Board: Tray Motor Connections 0001 I7 0002 I8 1700 B1 1702 F6 1703 C6 1705 E9 OPU/CHEETAH_QD/DRIVERS/CENTAURUS/POWER-CONN 2700 I10 2701 I11 2702 I10 {RAD,SERVO-COMM,MOTO1,MRN,RX1_MASTER,TX1,A1,A2,CALF,VRIN,D1_TILTN,D2_TLN,D3_REN,D4_FEN,S1_MIRN,S2,FTC,MON1,MON2,RX2,TX2,PPNO,IRQN,PORN,T1,SCL,SDA,XDN,DRIVER-ON,FO-,FO+,VFOO-,VFOO+,RA,VRAOO,SL+,SL-,FOC+,FOC-,AUDIO_FRONT_L,AUDIO_FRONT_R,TR+,TR-,TRAYSW,EJECTKEY,SL,VSLOO,VMOTO1O} 2703 I11 2704 I10 2705 I11 DEBUG(0:13) 2706 I10 2707 I11 3702 H5 3703 H5...
  • Page 28 Electrical Diagrams and Print-Layouts VAD 8031 Layout Servo Board (Top Side) TR 15009_001 100903...
  • Page 29 Electrical Diagrams and Print-Layouts VAD 8031 Layout Servo Board (Bottom Side) TR 15010_001 100903...
  • Page 30 Electrical Diagrams and Print-Layouts VAD 8031...
  • Page 31: Alignments

    Alignments VAD 8031 EN 31 8. Alignments In case of a change of DVD-M or PWB a readjustment is necessary to align the OPU and PWB to each other. Necessary Tools – Personal computer with Windows 2000 or Windows – USB to ATAPI adapter, (standard computer equippment) see figure 8-1.
  • Page 32 Mechanically, the module consists of a motorized tray loader that contains the dual laser optical pickup unit and a PCBA that contains all the electronics needed to control the drive and The VAD8031 module, also known as “AV3”, is a Video interfacing MPEG...
  • Page 33 Circuit Descriptions, Abbreviation List, and Datasheets VAD 8031 EN 33 Laconic The main function of the LACONIC, IC7300 is to control the laser power. The IC forms a closed control loop in combination with the Elantec located on the OPU. It compensates aging and temperature of the laser.
  • Page 34 EN 34 VAD 8031 Circuit Descriptions, Abbreviation List, and Datasheets ICs Servo Board IC7105, LM75A: Servo Board, Temperature Sensor Pin description SYMBOL DESCRIPTION Digital I/O. I C serial bi-directional data line. Open Drain. Digital input. I C serial clock input. Overtemp Shutdown output.
  • Page 35 Circuit Descriptions, Abbreviation List, and Datasheets VAD 8031 EN 35 IC7201, TZA1039HL: Servo Board, Analogue Preprocessor BLOCK DIAGRAM VDD1 VDD2 GND1 VSSD VSS1 VSS2 GND2 GNDD RF-AMP RF-REF RFPIN CALF RFNIN A1,A2 CCALF BET A CA1,CA2 ALF A LASP ALF A D1..D4 Offset S1,S2...
  • Page 36 EN 36 VAD 8031 Circuit Descriptions, Abbreviation List, and Datasheets PINNING SYMBOL DESCRIPTION SYMBOL DESCRIPTION N.C. Not connected N.C. Not connected Satelite segment H input SERTST Enable test mode (Tie to GND for GND1 Ground normal operation) Central segment C input VSSD Negative supply voltage Central segment B input...
  • Page 37 Circuit Descriptions, Abbreviation List, and Datasheets VAD 8031 EN 37 IC7300, TZA1042: Servo Baord, Laser Power Controller Block diagram...
  • Page 38 EN 38 VAD 8031 Circuit Descriptions, Abbreviation List, and Datasheets Pin description Symbol Type Drive Description /Thr. I hy Alpha Error Zero/Alpha Set Zero Digital Pad Supply DDD3 Digital Pad Supply SSD3 CLOCKOUT Buffered Oscillator Output OSCO Output of inverting Amplifier that forms oscillator OSCI Input of inverting Amplifier that forms oscillator TEST1D...
  • Page 39 Circuit Descriptions, Abbreviation List, and Datasheets VAD 8031 EN 39 Pin description …continued Symbol Type Drive Description /Thr. IRQN Interrupt Request Not – active low interrupt request OSTR I hy OPC Strobe – request step in alpha setpoint / Board test input RESETN I hy...
  • Page 40 EN 40 VAD 8031 Circuit Descriptions, Abbreviation List, and Datasheets IC7402, SZA1015: Servo Board, Brushless Motor Controller V DD V DDM n.c. START 13, 16, 22 THERMAL i.c. 9, 31 SHUTDOWN POWER SWITCHES REFERENCE CURRENT COMMUTATION D LIM LIMITER INPUTS 15, 17, 20 REVERSE SZA1015...
  • Page 41 Circuit Descriptions, Abbreviation List, and Datasheets VAD 8031 EN 41 PINNING SYMBOL PIN DESCRIPTION motor control ground supply BIAS Hall element bias ROSC external resistor for internal oscillator REMF external resistor for EMF regeneration RLIM external resistor for current limiting frequency generator output output current control pin output current control reference...
  • Page 42 EN 42 VAD 8031 Circuit Descriptions, Abbreviation List, and Datasheets IC7408,7409 BA5995: Servo Board, 4-channel BTL driver IC actuator and motor drive PreV PowV STAND BY (ch3 / 4) ch1 / 3 / 4 LEVEL SHIFT LEVEL SHIFT LEVEL SHIFT LEVEL SHIFT MUTE...
  • Page 43 Circuit Descriptions, Abbreviation List, and Datasheets VAD 8031 EN 43 IC7500, PNX7850: Servo Board, Channel Codec/Buffer Manager/Servo Processor and Controller Nexperia PNX7850 conceptual block diagram SDRAM ANALOG CHANNEL CODEC BUFFER MANAGER SDRAM CD/DVD EFM WRITE CD/DVD CONTROLLER wobble WOBBLE CLOCK/DATA CHANNEL UDMA66 PROCESSOR...
  • Page 44 EN 44 VAD 8031 Circuit Descriptions, Abbreviation List, and Datasheets IC7604, TEA1207: Servo Board, DC/DC Converter Block diagrama P-type POWER FET UPOUT/DNIN INTERNAL CONVERTER SUPPLY sense FET ILIM START-UP CIRCUIT TEA1207T CONTROL LOGIC CURRENT LIMIT COMPARATORS MODE GEARBOX CONVERTER N-type TEMPERATURE POWER BAND GAP...
  • Page 45 Circuit Descriptions, Abbreviation List, and Datasheets VAD 8031 EN 45 IC7605, ST735: Servo Board, -5V Inverting PWM Regulator SCHEMATIC DIAGRAM PIN DESCRIPTION Pin N˚ Symbol Name and Function SHDN SHUT-DOWN Control (V =ON GND=Shutdown Reference Output Voltage Soft Start Compensation Input Negative Output Voltage Ground Switch Output...
  • Page 46 SCLK ......Audio serial bit clock SDA ......Serial Data I2C SDRAM ......Synchronous DRAM SMC ......Surface Mounted Components S/PDIF......Sony Philips Digital InterFace SPIDRE ......Signal Processing Ic for Dvd R Ewritable SRAM ......Static Random Access Memory STBY ......
  • Page 47 Spare Parts List VAD 8031 EN 47 10. Spare Parts List 10.1 Exploded Views Basic Engine...
  • Page 48 EN 48 VAD 8031 Spare Parts List Loader...
  • Page 49 Spare Parts List VAD 8031 EN 49 DVD-M TR 15013_001 110903...
  • Page 50 VAD 8031 Spare Parts List 2420 4822 126 14238 2.2nF 50V 0603 2658 4822 122 33753 150pF 5% 50V Basic Engine VAD8031 2421 4822 126 13193 4.7nF 10% 63V 2659 2022 552 05635 22µF 16V X5R 10% 2426 4822 126 14043 1µF 20% 16V 2660 2022 552 05635 22µF 16V X5R 10%...
  • Page 51 Spare Parts List VAD 8031 EN 51 3471 2322 702 60279 27Ω 5% 0.1W 0603 3611 4822 051 30103 10kΩ 5% 0.062W 5604 2422 536 00501 D62LCB 10U PM20 R 3472 4822 051 30123 12kΩ 5% 0.062W 3612 4822 051 30103 10kΩ 5% 0.062W 5607 2422 549 45322 0603 EMI 100MHZ 150R R 3473...
  • Page 52 EN 52 VAD 8031 Spare Parts List...

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