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Philips FM242 Service Manual

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Contents
1
2
3
4
5
and Repair Tips
6
2
Testpoint Overview Audio Amplifier
7
Audio Amplifier: DC Protection
Audio Amplifier: Filters
Audio Amp: Supply + DC Prot.
SCAVIO: Function Blocks
SCAVIO: Sync Selection
SCAVIO: Video Select.ion
SCAVIO: Video ADC
SCAVIO: Video Select. Decoder (Diagr. SC5)
SCAVIO: VGA Input
SCAVIO: Control Functions 1
©
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 CO 0363 Service PaCE
Page
2
5
7
10
13
19
20
21
22
23
24
25
26
Diagram PWB
(Diagram A1) 27
34-35
(Diagram A2) 28
34-35
(Diagram A3) 29
34-35
(Diagram A4) 30
34-35
(Diagram A5) 31
34-35
(Diagram A6) 32
34-35
(Diagram A7) 33
34-35
(Diagram LD) 36
37
(Diagr. SC1)
38
53-62
(Diagr. SC2)
39
53-62
(Diagr. SC3)
40
53-62
(Diagr. SC4)
41
53-62
42
53-62
(Diagr. SC6)
43
53-62
(Diagr. SC7)
44
53-62
Printed in the Netherlands
Contents
SCAVIO: Control Functions 2
SCAVIO: Scaler Clock Gen.
SCAVIO: PW Scaler + Memory (Diagr. SC10) 47
SCAVIO: Back-End EPLD
SCAVIO: Back-End LVDS Out
SCAVIO: Audio Source Select.
SCAVIO: Audio Processor
SCAVIO: Audio Delay Line
VGA Connector Panel
8
Electrical Alignments
9
List of Abbreviations
Subject to modification
Chassis
FM242
AA
Page
(Diagr. SC8)
45
53-62
(Diagr. SC9)
46
53-62
53-62
(Diagr. SC11) 48
53-62
(Diagr. SC12) 49
53-62
(Diagr. SC13) 50
53-62
(Diagr. SC14) 51
53-62
(Diagr. SC15) 52
53-62
(Diagr. VGA) 63
64-65
67
70
81
83
90
EN 3122 785 13400

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Summary of Contents for Philips FM242

  • 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 CO 0363 Service PaCE...

  • Page 2: Technical Specifications, Connections, And Chassis Overview

    EN 2 FM242 AA Technical Specifications, Connections, and Chassis Overview 1. Technical Specifications, Connections, and Chassis Overview Technical Specifications 1.1.3 Miscellaneous Mains voltage : 95 - 264 V 1.1.1 Picture Mains frequency : 50/60 Hz Ambient temperature : + 5 to + 40 deg. C...
  • Page 3 Technical Specifications, Connections, and Chassis Overview FM242 AA EN 3  VGA2 - Out 2 - Audio - L 0.5 Vrms / 10 kΩ  3 - Audio - R 0.5 Vrms / 10 kΩ AV3: Audio/Video - In 0.7 Vpp / 75 Ω...
  • Page 4 EN 4 FM242 AA Technical Specifications, Connections, and Chassis Overview Chassis Overview LED / SWITCH PANEL f f e ( u p f f e ( d o g i c g i c u f f a r d...

  • Page 5: Safety Instructions, Maintenance, Warnings, And Notes

    Safety Instructions, Warnings, and Notes FM242 AA EN 5 2. Safety Instructions, Warnings, and Notes Safety Instructions • Where necessary, measure the voltages in the power supply section both in normal operation () and in standby (). These values are indicated by means of the Safety regulations require that during a repair: appropriate symbols.
  • Page 6 EN 6 FM242 AA Safety Instructions, Warnings, and Notes Device replacement The last step in the repair process is to solder the new component on the board. Ideally, the (LF)BGA should be aligned under a microscope or magnifying glass. If this is not possible, try to align the (LF)BGA with any board markers.

  • Page 7: Directions For Use

    Directions for Use FM242 AA EN 7 3. Directions for Use...
  • Page 8 EN 8 FM242 AA Directions for Use...
  • Page 9 Directions for Use FM242 AA EN 9...

  • Page 10: Mechanical Instructions

    EN 10 FM242 AA Mechanical Instructions 4. Mechanical Instructions Index of this chapter: Service Position Panels • Service Position Monitor • Rear Cover Removal 4.3.1 SCAVIO Panel • Service Position Panels • PDP and Glass Plate Replacement Solder-side SCAVIO •...
  • Page 11 Mechanical Instructions FM242 AA EN 11 Component-side SCAVIO 4.3.4 Audio Amplifier Panel (only valid for “speaker”-version) The solder-side of this panel is directly accessible. To access the component-side, or to remove the whole panel, unscrew the three fixation screws 4.3.5...
  • Page 12 EN 12 FM242 AA Mechanical Instructions PDP and Glass Plate Replacement Shielding frame Foam cushion Front display CL 36532011_013.eps CL 36532011_014.eps 060303 060303 Figure 4-6 Exchange Glass Plate Figure 4-7 Exchange PDP To exchange the glass plate To exchange the PDP panel: 1.

  • Page 13: Service Modes, Error Codes, Fault Finding

    2000/XP, and a CD-ROM drive (see also paragraph started and will indicate any possible errors via the (orange) “ComPair”). front LED. Note: This FM242-monitor has different as the FM24, not a internal pdp-testpattern that can be enabled via the SAM- How to navigate menu To toggle to the SAM mode, use a standard customer RC- A test pattern however can be generated.
  • Page 14 OSD (i+) button • To toggle to the SDM mode, use the standard customer Note: the OSD (i+) is not available on the original FM242 RC-transmitter and key in the code 062596, directly remote control, therefore use another Philips remote followed by the MENU key.
  • Page 15 White line around picture elements and text year. Decrease the SHARPNESS value when the picture improves • A = the chassis name (FM23 for 32" displays or FM242 after you have switched on the Customer Service Mode. The for 42" SDI-displays). new value is automatically stored.
  • Page 16 Introduction 3. Switch the plasma monitor 'off' and 'on' again (with the Mains switch). ComPair (Computer Aided Repair) is a service tool for Philips 4. Start the ComPair program and follow the instructions. Consumer Electronics products. ComPair is a further...
  • Page 17 FM242 AA EN 17 5.5.2 How to Clear the Error Buffer FM242-workshops will be trained how to do so. (special document will be generated for this). The error code buffer is cleared in the following cases: • By activation of the 'Reset error buffer' command in the The Blinking LED Procedure SAM menu.
  • Page 18 EN 18 FM242 AA Service Modes, Error Codes and Fault Finding Repair Tips If one of the errors of the error buffer points to a defective supply, then the supply-panel must be send for central repair. If the symptoms (still to be communicated; e.g. when VS-value...

  • Page 19: Block Diagrams, Testpoint Overviews, And Wiring Diagram

    Block Diagrams, Testpoint Overviews, and Wiring Diagram FM242 AA 6. Block Diagrams, Testpoint Overviews, and Wiring Diagram Block Diagram Video VIDEO VIDEO SELECTION VIDEO SELECTION - ADC SCALER-PW164-MEMORY BACK-END-EPLD SC10 SC11 CONNECTOR INPUT 7146 7170 7605 7656-A+B+C 0371 0318 0318...

  • Page 20: Block Diagram Audio

    Block Diagrams, Testpoint Overviews, and Wiring Diagram FM242 AA Block Diagram Audio AUDIO AUDIO SOURCE AUDIO-PROCESSOR AUDIO SC13 SC14 FILTERS 7714 3315 3330 SELECT AMPL- 5335 LM833D VCC-10-POS F710 L-HIGH 7365-2 SDA-AUDIO 4810 +8V6 VSDN-POS SDA-1 7260-A IRF7343 7330 LM833DT...

  • Page 21: Power Lines Overview

    Block Diagrams, Testpoint Overviews, and Wiring Diagram FM242 AA Power Lines Overview TO FANS SUPPLY & DC PROTECTION 0302 POWER SUPPLY PANEL DC-PROT 8007 +9V-STBY 1730 5335 VSDN-POS 7735,7736 VCC-10-POS STAB ASSY 1740 5725 VSDN-NEG (IF VALID) 7745,7746 VCC-10-NEG STAB...

  • Page 22: I 2 C-Ic Overview

    Block Diagrams, Testpoint Overviews, and Wiring Diagram FM242 AA C-IC Overview CONTROL CONTROL CLOCK AUDIO SOURCE CONTROL PROTECTION BACK-END BACK-END BACK-END PLASMA DISPLAY SC14 SC13 SC12 SC11 SC12 FUNCTIONS 1 FUNCTIONS 2 GENERATOR PROC. SELECT FUNCTIONS2 LVDS OUTPUT EPLD LVDS OUTPUT...
  • Page 23 Block Diagrams, Testpoint Overviews, and Wiring Diagram FM242 AA Testpoint Overview: Audio Amplifier Panel Personal Notes: F201 C2 F718 C2 F201 C2 F718 C2 F202 C2 F719 C2 F202 C2 F719 C2 F203 C2 F720 C2 F203 C2 F720 C2...

  • Page 24: Testpoint Overview Power Supply

    Block Diagrams, Testpoint Overviews, and Wiring Diagram FM242 AA Testpoint Overview: Power Supply COLD 8007 8006 8005 COIL VR8001 VR8008 8003 COIL 8008 VR8005 VR8010 VSCAN 8010 VR8009 COIL VR8004 8011 VFAN VSET VR8007 VR8006 VR8003 Protection COLD Board GREEN...

  • Page 25: Testpoint Overview Scavio Panel

    Block Diagrams, Testpoint Overviews, and Wiring Diagram FM242 AA Testpoint Overview: SCAVIO Panel F070 C1 F177 C4 F225 A1 F251 B2 F312 B2 F383 B7 F401 B7 F419 B7 F459 C8 F477 C8 F496 B8 F537 A8 F555 A3 F573 A5...

  • Page 26: Wiring Diagram

    Block Diagrams, Testpoint Overviews, and Wiring Diagram FM242 AA Wiring Diagram (IF VALID) (IF VALID) RIGHT LEFT HIGH HIGH OPTIONAL POWER SUPPLY PANEL 8007 RIGHT 8003 VSND_NEG VSND_NEG GND_SND GND_SND VSND_POS CN805 VSND_POS GND_SND LEFT 9V_STBY DC_PROT CN804 8008 PDP-SUPPLY...

  • Page 27: Electrical Diagrams And Pwb Layouts

    Electrical Diagrams and PWB Layouts FM242 AA 7. Electrical Diagrams and PWB Layouts Audio Panel & Supply: DC Protection AUDIO PANEL & SUPPLY , DC PROTECTION L_HIGH L_HIGH OUT_LH AU_EN_NOT OUT_LH AU_EN_NOT AMPLIFIER LEFT_HIGH OUT_PROT DIAGRAM GND_I GND_O L_HIGH 0303...
  • Page 28 Electrical Diagrams and PWB Layouts FM242 AA Audio Panel & Supply: Filters 0388 C1 C202 F2 2201 B3 C203 F2 2202 B3 F201 C2 FILTERS TO DIAGRAM 2203 B4 F202 C2 F231 3231 2234 F235 2204 B4 F203 D2 L_LOW...

  • Page 29: Audio Amplifier: Left High

    Electrical Diagrams and PWB Layouts FM242 AA Audio Panel & Supply: Left High 2309 D4 2316 C5 2330 C7 2340 E7 2360 E8 3301 C3 3304 D2 3308 C4 3311 C4 3325 B5 3330 B6 3340 D6 3362 D8 5365 C9...
  • Page 30 Electrical Diagrams and PWB Layouts FM242 AA Audio Panel & Supply: Left Low 2409 D3 2416 C4 2430 C7 2440 E6 2460 E8 3401 C3 3404 D2 3408 C4 3411 C3 3425 B5 3430 B6 3440 D6 3462 D8 5465 C9...
  • Page 31 F 5 3 7 Electrical Diagrams and PWB Layouts FM242 AA Audio Panel & Supply: Right High V C C _ 1 0 _ P O S 1 n 5 2 5 0 9 3 5 2 8 1 0 n...
  • Page 32 Electrical Diagrams and PWB Layouts FM242 AA Audio Panel & Supply: Right Low 2609 D4 2616 C4 2630 C7 2640 E7 2660 E8 3601 C3 3604 C2 3608 C4 3611 C4 3625 B5 3630 B6 3640 D6 3662 D8 5665 C9...

  • Page 33: Audio Amplifier Left Low

    Electrical Diagrams and PWB Layouts FM242 AA Audio Panel & Supply: Supply and DC Protection 0302 C1 F770 A8 0303 A8 F771 A8 0304 E8 F772 A8 0305 E1 F774 A8 SUPPLY & DC PROTECTION 0390 E2 F776 A8 DC PROTECTION...
  • Page 34 Electrical Diagrams and PWB Layouts FM242 AA Layout Audio Panel (Top Side) 0302 B1 2216 C1 2315 A1 2440 A2 2566 C2 2734 A1 3211 C1 3272 A1 3403 A1 3601 B1 3749 C2 3780 C2 5565 C2 7225 B1...
  • Page 35 Electrical Diagrams and PWB Layouts FM242 AA Layout Audio Panel (Bottom Side) 2201 2255 2359 2535 2781 3243 3318 3411 3509 3607 3661 6434 6634 7515 2204 2256 2409 2555 3201 3244 3325 3415 3510 3608 3662 6435 6635 7530...
  • Page 36 Electrical Diagrams and PWB Layouts FM242 AA LED/Switch Panel 0317 A9 0320 B1 1101 D3 2107 C7 2120 E5 LED/SWITCH PANEL 2126 F6 3100 C2 3101 C4 3102 B4 0317 3103 C5 F115 3104 B6 LED_DISPLAY 3105 C5 F116 IR_TX...
  • Page 37 Electrical Diagrams and PWB Layouts FM242 AA Layout LED/Switch Panel (Top Side) Layout LED/Switch Panel (Bottom Side) 0317 A4 1101 B3 0317 A1 2126 C3 0320 B3 3101 B2 1101 B1 3102 C2 2107 D3 3103 C2 2120 C1 3104 C2...
  • Page 38 Electrical Diagrams and PWB Layouts FM242 AA SCAVIO Panel: Function Blocks and Diagram Connections SCAVIO PANEL (FUNCTION BLOCKS AND DIAGRAM CONNECTIONS) +9V_STBY VREF1 +5V_STBY_SW +5V_POW +3V3 +8V6 +3V3 +2V5 +3V3_STBY_SW +8V6 +3V3_STBY_SW V_SYNC_POL_N +3V3 VREF1 +8V6 +5V_STBY_SW +3V3_STBY_SW +5V_POW V_SYNC_POL_N...
  • Page 39 Electrical Diagrams and PWB Layouts FM242 AA SCAVIO Panel: Sync Selection & Switching 1001 I7 I016 F13 1002 I8 I017 F8 1003 I8 I018 F5 SYNC SELECTION 2000 A3 I019 F4 2001 B4 I020 F7 2002 C5 I021 F7 & SWITCHING...
  • Page 40 Electrical Diagrams and PWB Layouts FM242 AA SCAVIO Panel: Video Selection & Matrix 0377 A2 0379-A A2 3134 A6 7158-B I13 0380-B A4 3135 A7 7160 H11 (ENHANCED ONLY, UNLESS INDICATED OTHERWISE) VIDEO-SELECTION & MATRIX 0380-C A3 3136 A7 7165 A14...
  • Page 41 Electrical Diagrams and PWB Layouts FM242 AA SCAVIO Panel: Video Selection ADC 0375 F14 I160 H10 1170 G2 I161 H11 1171 I1 I165 H13 VIDEO-SELECTION -ADC (BASIC & ENHANCED VERSION) 2170 B1 I166 H14 2171 B1 2172 B1 GRO(0:7) GGE(0:7)
  • Page 42 Electrical Diagrams and PWB Layouts FM242 AA SCAVIO Panel: Video Selection Decoder 0381 H3 F237 H6 0387 B1 F240 C9 1250 F4 F241 C9 VIDEO-SELECTION-DECODER 1270 G5 F242 D9 2220 I6 F245 C14 2221 H6 F246 C14 (ENHANCED VERSION ONLY)

  • Page 43: Vga Input

    Electrical Diagrams and PWB Layouts FM242 AA SCAVIO Panel: VGA Input F318 G2 0318 C1 3901 D7 F319 H2 0376 B14 3902 E6 F320 C12 2300 B1 3903 G6 F321 C14 2301 B2 3904 I6 F322 C13 2302 B2 3905 F4...
  • Page 44 Electrical Diagrams and PWB Layouts FM242 AA SCAVIO Panel: Control Functions 1 (BASIC & ENHANCED VERSION) 3452-D B7 0382 F1 F415 F12 3453-A D8 0383 A12 F416 F12 3453-B D8 0384 D12 F417 F12 3453-C D7 CONTROL FUNCTIONS 1 1415 G4...
  • Page 45 Electrical Diagrams and PWB Layouts FM242 AA SCAVIO Panel: Control Functions 2 0305 C2 F553 G2 0315 H5 F554 G2 0316 I5 F555 G2 0319 E2 F556 G2 CONTROL FUNCTIONS 2 0320 B2 F557 G2 1100 C3 F558 H5 1105 F3 F559 H5 (BASIC &...
  • Page 46 Electrical Diagrams and PWB Layouts FM242 AA SCAVIO Panel: Scaler Clock Generator 0386 C9 1570 C2 1575 G6 2570 D2 SCALER-CLOCK-GENERATOR 2572 C4 2573 C4 2574 C6 (BASIC & ENHANCED VERSION) 2581 H2 F563 F564 F565 F566 F567 = 3V2...
  • Page 47 Electrical Diagrams and PWB Layouts FM242 AA SCAVIO Panel: PW Scaler and Memory 2600 I1 2601 I2 2602 I2 2603 I2 2604 I2 +3V3_PW 2605 I3 {1_2FH,SYNC,FBX_MODE} 2606 I3 SYNC A(0:19) 2607 I3 3600 2608 I4 +3V3_PW 7628 2609 I4...
  • Page 48 Electrical Diagrams and PWB Layouts FM242 AA SCAVIO Panel: Back-End EPLD 0385 A3 1670 B3 2640 B1 (BASIC & ENHANCED VERSION) 2641 B1 BACK-END-EPLD 2642 C1 2643 D1 2644 D1 F659 2645 E1 2646 F1 2647 F1 F656 +3V3PLDA 2648 G1...
  • Page 49 Electrical Diagrams and PWB Layouts FM242 AA SCAVIO Panel: Back-End LVDS Output 0301 E9 2670 B5 2671 B5 2672 B5 BACK-END-LVDS-OUTPUT 2673 B6 2674 B6 (BASIC & ENHANCED VERSION) 2694 F11 2695 F11 2696 F11 2697 F11 2698 F12 +3V3_STBY_SW...
  • Page 50 Electrical Diagrams and PWB Layouts FM242 AA SCAVIO Panel: Audio Source Select 0378-A A1 3800 G10 I565 F7 0378-B E1 3801 G12 I566 F7 0378-C G1 3802 H9 I567 F1 0379-B A5 3803 H10 I568 F6 AUDIO SOURCE SELECT 0379-C E5...

  • Page 51: Audio Processor

    Electrical Diagrams and PWB Layouts FM242 AA SCAVIO Panel: Audio Processor 0388 D13 F820 B4 1835 G7 I650 A6 2810 I2 I651 A7 2811 F2 I652 A8 2812 C3 I653 A6 2821 2813 D3 I654 A10 I650 I651 5820 AUDIO PROCESSOR...
  • Page 52 Electrical Diagrams and PWB Layouts FM242 AA SCAVIO Panel: Audio Delay Line 2870 C2 2874 F2 2879 H7 2880 B7 AUDIO DELAY LINE 2881 E8 2882 E10 3879 H6 (BASIC & ENHANCED VERSION) 3880 G6 4871 G2 4872 G3 4873 G2...
  • Page 53 Electrical Diagrams and PWB Layouts FM242 AA Layout SCAVIO Panel (Overview Top Side) 0301 A3 2005 C8 2120 C8 2217 C6 2311 A6 2541 A7 2810 A8 3051 A8 3103 B7 3137 C7 3174 B7 3260 B7 3321 A6 3379 B5...
  • Page 54 Electrical Diagrams and PWB Layouts FM242 AA Layout SCAVIO Panel (Part 1 Top Side) CL 26532038_50a.eps 020402...
  • Page 55 Electrical Diagrams and PWB Layouts FM242 AA Layout SCAVIO Panel (Part 2 Top Side) CL 26532038_50b.eps 020402...
  • Page 56 Electrical Diagrams and PWB Layouts FM242 AA Layout SCAVIO Panel (Part 3 Top Side) CL 26532038_50c.eps 020402...
  • Page 57 Electrical Diagrams and PWB Layouts FM242 AA Layout SCAVIO Panel (Part 4 Top Side) CL 26532038_50d.eps 020402...
  • Page 58 Electrical Diagrams and PWB Layouts FM242 AA Layout SCAVIO Panel (Overview Bottom Side) 0386 A5 2193 B5 2415 B7 2581 A3 2661 A7 2751 C7 2817 B1 2862 B1 3190 B1 3356 A3 3515 C8 3600 A5 3665 A7 3751 C7...
  • Page 59 Electrical Diagrams and PWB Layouts FM242 AA Layout SCAVIO Panel (Part 1 Bottom Side) CL 26532038_51a.eps 020402...
  • Page 60 Electrical Diagrams and PWB Layouts FM242 AA Layout SCAVIO Panel (Part 2 Bottom Side) CL 26532038_51b.eps 020402...
  • Page 61 Electrical Diagrams and PWB Layouts FM242 AA Layout SCAVIO Panel (Part 3 Bottom Side) CL 26532038_51c.eps 020402...
  • Page 62 Electrical Diagrams and PWB Layouts FM242 AA Layout SCAVIO Panel (Part 4 Bottom Side) CL 26532038_51d.eps 020402...
  • Page 63 Electrical Diagrams and PWB Layouts FM242 AA VGA Connector Panel I908 B2 0318 C13 I913 C2 0371 B1 I914 C2 0372 F1 I915 C1 0374 H13 I916 D1 2900 B3 I917 B3 2901 C6 VGA CONNECTOR I918 C5 2902 C7...
  • Page 64 Electrical Diagrams and PWB Layouts FM242 AA Layout VGA Connector Panel (Top Side) 0318 A2 0371 A1 0372 A2 0374 A2 CL 26532038_053.eps 150402...
  • Page 65 Electrical Diagrams and PWB Layouts FM242 AA Layout VGA Connector Panel (Bottom Side) 0318 A1 3930 A1 0371 A2 3934 A1 0372 A1 3935 A1 0374 A1 3937 A2 2900 A2 3938 A2 2901 A2 3939 A1 2902 A1 3940 A1...
  • Page 66 Electrical Diagrams and PWB Layouts FM242 AA Personal Notes: Personal Notes:...
  • Page 67 RIGHT' keys of the remote control transmitter. files) as test pattern generator and connect it to the VGA1 input of the FM242 plasma monitor. When you use a PC, start Microsoft PowerPoint (or Paintbrush), and load the mentioned General Alignment Conditions file.
  • Page 68 EN 68 FM242 AA Alignments Procedure: 8.3.2 Scaler • See figure above • The 6 pot meters influencing VSB, 3.3SBSW, VCC, D5V, Table 8-2 SAM Menu 'Scal.' 8V6, VFAN are not critical for matching. In case of doubt values can be checked versus mentioned voltages.
  • Page 69 Alignments FM242 AA EN 69 Table 8-5 White point RGB-values Lum. delay PAL Apply a PAL colour bar/grey scale pattern as a test signal. Adjust value until the transients of the colour part and black and Colour Temperature white part of the test pattern are at the same position. Fixed 5600 K (Cool) value is 4.
  • Page 70 The FM242 is the 3rd generation Philips plasma monitors. FM242 is discussed. When there are important differences Related to the FM242 it is a cost down product. A lower between the Basic and Enhanced versions, this is mentioned. specified pdp is used here (SDI-pdp), however performing still very acceptable.
  • Page 71 Pixel Works Scaler (PW), referred to as the 'co-processor'. The base-band video inputs (CVBS and YC) are output from When the FM242 monitor is connected to an F21R Receiver this decoder as digital YUV, which are then further processed box, the UART commands from the Receiver box will control by the Pixel Works Scaler (PW).
  • Page 72 EN 72 FM242 AA Circuit Descriptions and List of Abbreviations The PSU consists of a pre-conditioner part and a DC/DC 9.4.1 Supply converter part. This converter supplies power to the PDP high voltages, the auxiliary voltages, and the audio amplifier. There See figure 'Power Supply Part' in paragraph 9.1.5.
  • Page 73 SXGA@60 Hz can be decoded to RGBHV. 7010), to indicate the polarity of the sync in case of TTL The preferred VGA standard for the FM242 is programmed in level (H and V_SYNC_POL_N). the DDC EEPROM (item 7215), which can be read by the PC.
  • Page 74 EN 74 FM242 AA Circuit Descriptions and List of Abbreviations The SAA7118 is a PAL/NTSC/SECAM Digital Video Decoder Table 9-2 PixelWorks Scaler: Video Select with adaptive digital comb filter and component video input. It decodes all input standards to 4:2:2 YCbCr, which then is VIDEO_SEL_1 VIDEO_SEL_2 Selected input for AD9887 processed by the SDA9400.
  • Page 75 Audio Amplifier panel. 12 ← 11← 10 ← 9 ← 8 ← 7 ← 6 ← 5 ← The sound-related electronics for FM242 are very straight → 13→ 14 → 15 forward, and consists of a Micronas MSP3415G sound...
  • Page 76 In TV mode: Ultra Bass – During switch 'on/off' of the Monitor/Receiver box. Because of the closed box implementation in FM242, a – During source change in the Receiver box. common DBE solution will not give an optimal bass –...
  • Page 77 Circuit Descriptions and List of Abbreviations FM242 AA EN 77 In stand-alone mode, the monitor can be controlled via the It is also possible to use the RS232C port for software upload Remote Control or via the RS232C port. to the PW Scaler and the OTC. The target for downloading is controlled via a switch in the RS232C path;...
  • Page 78 Introduction a voltage drop is detected from +3.3 V to V The FM242 monitor is equipped with an RS232 interface. Via a is a DC voltage, which represents the mode to be entered: 9 pin Sub-D connector, it is possible to connect a PC for special...
  • Page 79 • IR-RX. These are the RC5-commands coming from the In the FM242, active second order Sallen-Key filters are used, specific hotel RC5 - transmitter, which are received via the with crossover frequencies of 1 kHz for the lowpass filter, and RC5-receiver of the monitor.

  • Page 80: Led/Switch Panel

    EN 80 FM242 AA Circuit Descriptions and List of Abbreviations • At less costs (no expensive coils and capacitors). instead of the load. The filter is less lossy than the speaker, which causes less power dissipated at high output power and increases efficiency in most cases.
  • Page 81 Ball Grid Array BTSC Broadcast Television Standard The PDP, which is used in the FM242, is a product of SDI Committee. Multiplex FM stereo sound (Samsung Display Industry) . When defect, a new panel must system, originating from the USA and be ordered, and after receipt, the defective panel must be send used e.g.
  • Page 82 East Europe. Colour carriers = 4.406250 MHz and 4.250000 MHz SMPS Switched Mode Power Supply Sync On Green SOPS Self Oscillating Power Supply S/PDIF Sony Philips Digital InterFace SRAM Static RAM STBY Standby SVHS Super Video Home System Software...

  • Page 83: Spare Parts List

    Spare Parts List FM242 AA EN 83 10. Spare Parts List Audio Amplifier [A] 2519 4822 124 12084 1µF 20% 50V SMD 3271 4822 051 30153 15k 5% 0.062W 2519 4822 124 23002 10µF 16V 3271 4822 051 30332 3k3 5% 0.062W...
  • Page 84 3122 128 14292 mains knob FM24 SL 5460 4822 157 11717 BLM31P500SPT 0603 3122 357 00285 Software EPLD 0044 3122 124 36081 Day light filter FM242 5465 2422 536 00338 33µH 10% SMD 10mm FM23GB2400285 5535 4822 157 11717 BLM31P500SPT 0301 2422 025 17396 onnector20P m v 1.25...
  • Page 85 Spare Parts List FM242 AA EN 85 2156 5322 124 41945 22µF 20% 35V 2337 2020 552 94427 100pF 5% 50v 0603 2614 2238 586 59812 100nF +80/-20% 50V 0603 2157 2238 586 59812 100nF +80/-20% 50V 0603 2340 2238 586 59812 100nF +80/-20% 50V 0603...
  • Page 86 EN 86 FM242 AA Spare Parts List 2804 3198 016 31020 1nF 25V 0603 3035 4822 051 30102 1k 5% 0.062W 3148 4822 051 30223 22k 5% 0.062W 2810 4822 124 12095 100µF 20% 16V 3036 4822 051 30222 2k2 5% 0.062W 3149 4822 051 30561 560Ω...
  • Page 87 Spare Parts List FM242 AA EN 87 3310 4822 051 30102 1k 5% 0.062W 3423 4822 051 30103 10k 5% 0.062W 3611 4822 051 30101 100Ω 5% 0.062W 3311 4822 051 30102 1k 5% 0.062W 3424 4822 051 30332 3k3 5% 0.062W 3612 4822 051 30332 3k3 5% 0.062W...
  • Page 88 EN 88 FM242 AA Spare Parts List 3785 4822 051 30103 10k 5% 0.062W 4007 4822 051 30008 Jumper 0603 5822 2422 549 43769 Bead 30Ω at 100MHz 3787 4822 051 30102 1k 5% 0.062W 4009 4822 051 30008 Jumper 0603 5834 2422 549 43769 Bead 30Ω...
  • Page 89 Spare Parts List FM242 AA EN 89 6805 9340 260 20115 BAW56W 7406 3198 010 42310 BC847BW 3917 4822 051 30103 10k 5% 0.062W 6807 9340 260 20115 BAW56W 7430 9322 156 81668 M24C32-WMN6TNKSA 3918 4822 051 30103 10k 5% 0.062W...

  • Page 90: Revision List

    EN 90 FM242 AA Revision List 11. Revision List First release.

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