Panasonic LC4.8E AA Service Manual
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Panasonic LC4.8E AA Service Manual

Panasonic LC4.8E AA Service Manual

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Colour Television
Contents
LCD Supply 37": Mains Filter + Standby
SSB: Scaler Interface
©
Copyright 2005 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 BB 0567 TV Service
Page
Contents
2
5
7
8
23
24
25
26
27
28
29
30
31
Diagram PWB
(A1) 32
34-35
(A2) 33
34-35
(A1) 36
40-41
(A2) 37
40-41
(A3) 38
40-41
(A4) 39
40-41
(B1) 42
64-73
(B2) 43
64-73
(B3) 44
64-73
(B4) 45
64-73
(B5) 46
64-73
(B6) 47
64-73
(B7) 49
64-73
(B8) 50
64-73
(B9) 51
64-73
Printed in the Netherlands
Subject to modification
Chassis
LC4.8E
AA
F_15420_000.eps
220705
Page
64-73
64-73
64-73
64-73
64-73
64-73
64-73
64-73
64-73
64-73
(B21) 62
64-73
(D) 74
75
(E) 76
77
(J) 78
79
(SA1) 80
83-85
83-85
83-85
87
92
100
103
107
114
EN 3122 785 15421

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Summary of Contents for Panasonic LC4.8E AA

  • Page 1: Table Of Contents

    www.freeservicemanuals.info Colour Television Chassis LC4.8E F_15420_000.eps 220705 Contents Page Contents Page 1. Technical Specifications, Connections, and Chassis SSB: SDRAM (B10) 52 64-73 Overview SSB: Flash / Control (B11) 53 64-73 2. Safety Instructions, Warnings, and Notes SSB: MUX-Sync Interface (B13) 54 64-73 3.

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

    EN 2 LC4.8E AA Technical Specifications, Connections, and Chassis Overview 1. Technical Specifications, Connections, and Chassis Overview Index of this chapter: : 124 x 68 x 10.4 (42”) 1.1 Technical Specifications 1.2 Connection Overview Weight (kg) : 27 (42 inch) 1.3 Chassis Overview...
  • Page 3 Technical Specifications, Connections, and Chassis Overview LC4.8E AA EN 3 Service connector (UART) 17 - Ground Video - UART_TX Transmit 18 - Ground FBL - Ground 19 - Video Terr. CVBS 1 V / 75 ohm - UART_RX Receive...
  • Page 4 EN 4 LC4.8E AA Technical Specifications, Connections, and Chassis Overview Chassis Overview LCD PANEL AUDIO STANDBY PANEL POWER SUPPLY SMALL PANEL SIGNAL BOARD SIDE CONTROL BOARD SIDE I/O PANEL LED PANEL F_15420_028.eps 100605 Figure 1-6 Chassis overview...

  • Page 5: Safety Instructions, Warnings, And Notes

    Safety Instructions, Warnings, and Notes LC4.8E AA EN 5 2. Safety Instructions, Warnings, and Notes Index of this chapter: Notes 2.1 Safety Instructions 2.2 Warnings 2.3.1 General 2.3 Notes • Measure the voltages and waveforms with regard to the...
  • Page 6 EN 6 LC4.8E AA Safety Instructions, Warnings, and Notes After the board is properly cleaned and inspected, apply flux on To avoid wear-out of tips, switch “off” unused equipment or the solder lands and on the connection balls of the (LF)BGA.

  • Page 7: Directions For Use

    Directions for Use LC4.8E AA EN 7 3. Directions for Use You can download this information from the following websites: http://www.philips.com/support http://www.p4c.philips.com...

  • Page 8: Mechanical Instructions

    EN 8 LC4.8E AA Mechanical Instructions 4. Mechanical Instructions Index of this chapter: Notes: 4.1 Cable Dressing • Figures below can deviate slightly from the actual situation, 4.2 Service Positions due to the different set executions. 4.3 Assy/Panel Removal •...
  • Page 9 Mechanical Instructions LC4.8E AA EN 9 The aluminium stands (order code 3122 785 90480) can be 4.3.2 Side I/O Panel mounted with the back cover removed or still left on. So, the stand can be used to store products or to do measurements. It...
  • Page 10 EN 10 LC4.8E AA Mechanical Instructions 4.3.3 LED Panel 4.3.5 SSB Board Cover Shield F_15420_036.eps 070605 Figure 4-6 LED panel 1. Remove the fixation screws (1) and take the panel out of its brackets. F_15420_038.eps 2. Disconnect the cable (2) from the panel.
  • Page 11 Mechanical Instructions LC4.8E AA EN 11 4.3.7 Power Supply Panel 4.3.8 Class D Audio Amplifier/STBY Power Supply Panel F_15420_042.eps 070605 Figure 4-12 Class D audio amplifier/STBY power supply panel 1. Disconnect all cables (1) from the panel. 2. Remove the fixation screws (2) from the panel.
  • Page 12 EN 12 LC4.8E AA Mechanical Instructions 4.3.9 LCD Panel F_15420_045.eps 070605 Figure 4-15 LCD panel fixation screws F_15420_043.eps 070605 Figure 4-13 “L” and “R” loudspeaker cables and cable clamps F_15420_046.eps 070605 Figure 4-16 LCD panel connector F_15420_047.eps 210705 F_15420_044.eps...
  • Page 13 Mechanical Instructions LC4.8E AA EN 13 To remove the LCD-panel, carry out the following steps: Set Re-assembly 1. Disconnect the cables (1) from the “L” and the “R” loudspeakers and remove the cables from their cable To re-assemble the whole set, execute all processes in reverse clamps (1, see Figure “L”...

  • Page 14: Service Modes, Error Codes, And Fault Finding

    EN 14 LC4.8E AA Service Modes, Error Codes, and Fault Finding 5. Service Modes, Error Codes, and Fault Finding Index of this chapter: How to Enter 5.1 Test Points To enter SDM, use one of the following methods: 5.2 Service Modes •...
  • Page 15 Service Modes, Error Codes, and Fault Finding LC4.8E AA EN 15 How to Navigate Menu Explanation Use one of the following methods: 1. LLLLL. This represents the run timer. The run timer counts • When you press the MENU button on the remote control, normal operation hours, but does not count standby hours.
  • Page 16 EN 16 LC4.8E AA Service Modes, Error Codes, and Fault Finding How to Store SAM Settings 8. Displays the detected Audio (e.g. stereo/mono). To store the settings changed in SAM mode, leave the top level 9. Displays the picture setting information.
  • Page 17 Service Modes, Error Codes, and Fault Finding LC4.8E AA EN 17 Snowy Picture You do not have to know anything about I C commands Check CSM line 6. If this line reads “Not Tuned”, check the yourself because ComPair takes care of this.
  • Page 18 EN 18 LC4.8E AA Service Modes, Error Codes, and Fault Finding • Starter kit ComPair32/SearchMan32 software and 5.5.1 How to Read the Error Buffer ComPair interface (excl. transformer): 3122 785 90450. • ComPair interface (excl. transformer): 4822 727 21631.
  • Page 19 Service Modes, Error Codes, and Fault Finding LC4.8E AA EN 19 5.5.3 Error Codes The Blinking LED Procedure In case of non-intermittent faults, write down the errors present Using this procedure, you can make the contents of the error in the error buffer and clear the error buffer before you begin buffer visible via the front LED.
  • Page 20 EN 20 LC4.8E AA Service Modes, Error Codes, and Fault Finding Table 5-3 NVM Default values (option bit settings through NVM Editor in SAM Mode) Byte Nr. Bit Feature/Mode Description Byte 0 0 QSS (LSB) Mode of quasi split sound amplifier...
  • Page 21 Service Modes, Error Codes, and Fault Finding LC4.8E AA EN 21 Byte Nr. Bit Feature/Mode Description Byte 5 0 FFI Fast Filter 179(dec) 1 NNR No red reduction during blue stretch 2 MUS NTSC matrix 3 GAM Gamma control...
  • Page 22 EN 22 LC4.8E AA Service Modes, Error Codes, and Fault Finding 5.7.4 Video Processing No Power 1. Check +12 V and 3V3 at position 1J02. 2. If no supply, check the connector 1J02. 3. If it is correct, check the power supply board.

  • Page 23: Block Diagrams, Testpoint Overviews, And Waveforms

    Block Diagrams, Testpoint Overviews, and Waveforms LC4.8E AA 6. Block Diagrams, Testpoint Overviews, and Waveforms Wiring Diagram 37” LCD WIRING 37” LCD 8736 8302 8317 8304 8309 LCD PANEL AUDIO & STANDBY 8306 8735 1M02 1309 1304 8305 MF + SUPPLY...

  • Page 24: Wiring Diagram 42" Lcd

    Block Diagrams, Testpoint Overviews, and Waveforms LC4.8E AA Wiring Diagram 42” LCD WIRING 42” LCD 8736 8302 8317 8304 8309 8303 8320 AUDIO & STANDBY 8306 8735 1M02 8307 8305 LCD PANEL MF + SUPPLY INVERTER INVERTER LVDS LEFT...

  • Page 25: Block Diagram Video

    Block Diagrams, Testpoint Overviews, and Waveforms LC4.8E AA Block Diagram Video VIDEO FLASH/CONTROL EPLD TUNER & VIF +VTUN HERCULES SYNC INTERFACE MUX-SYNC INTERFACE SCALER +5SW_a 7217 7801 TDA15021H GM1501 7C00 1102 7208 7E01 MX29LV040QC UV1318S F624 2106 1104 1P07...

  • Page 26: Block Diagram Audio

    Block Diagrams, Testpoint Overviews, and Waveforms LC4.8E AA Block Diagram Audio AUDIO TUNER & IF HERCULES AUDIO PROCESSING AUDIO 7217 TDA15021H +16V+19V 7700 TDA7490 4,22 1736 5731 4212 4618 5701 AUDOUTLSL AUDIO-L AUDIO-L 1102 UV1318S 3718 F108 stby-mute 2106...

  • Page 27: Block Diagram Supply 37

    Block Diagrams, Testpoint Overviews, and Waveforms LC4.8E AA Block Diagram Supply 37” SUPPLY 37" MAINS FILTER + STANDBY SUPPLY CONNECTIONS COLD 3057 7002 TCET1102 1316 BIAS SUPPLY 2319 3000 6025 6024 5303 3318 6304 25V_HOT 5017 5010 7003 400V_HOT...

  • Page 28: Block Diagram Supply 42

    Block Diagrams, Testpoint Overviews, and Waveforms LC4.8E AA Block Diagram Supply 42” SUPPLY 42" MAINS FILTER + STANDBY PART A SUPPLY PART A COLD CONNECTIONS 3028 7002 7030 TCET1102 DC_PROT 1316 DC_PROT 5400 5401 1308 5403 1450 BIAS SUPPLY...

  • Page 29: Testpoint Overview Small Signal Board

    Block Diagrams, Testpoint Overviews, and Waveforms LC4.8E AA Testpoint Overview Small Signal Board F101 C1 F117 D2 F216 B3 F233 B3 F249 B2 F737 A3 F906 B6 FC10 B4 FD15 C7 FE13 C5 FG01 D4 FG17 D6 FG35 D3...

  • Page 30: I2C Ic Overview

    Block Diagrams, Testpoint Overviews, and Waveforms LC4.8E AA I2C IC Overview I²C SCALER TUNER & IF COLUMBUS HERCULUS +3V3STBY +3V3SWB 7217 TDA15021H 7L07 7L06 HERCULES 1101 +3V3STBY PROCESSOR 7207 7801 1102 7M00 7L04 M24C16 GM1501H UV1318S T6TU5XBG MST9883C +3V3SWB...

  • Page 31: Supply Voltage Overview

    Block Diagrams, Testpoint Overviews, and Waveforms LC4.8E AA Supply Voltage Overview SUPPLY LINE OVERVIEW CONNECTIONS TOP CONNECTORS TUNER & IF SCALER SIDE CONNECTORS 5102 5K00 1540 5103 1J07 5J03 5K01 1304 1J08 5J04 HERCULES SCALER 4J01 3265 7215 5900...

  • Page 32: Circuit Diagrams And Pwb Layouts

    Circuit Diagrams and PWB Layouts LC4.8E AA 7. Circuit Diagrams and PWB Layouts LCD Supply 37”: Mains Filter + Standby 1002 D1 1302 B4 1311 E6 2301 C4 2309 F13 2316 D12 2323 C3 2330 F10 3304 B5 3310 B13...

  • Page 33: Lcd Supply 37": Supply (A2)

    Circuit Diagrams and PWB Layouts LC4.8E AA LCD Supply 37”: Supply 1007 G11 3035 E5 6042 H13 I072 D10 1105 G7 3036 H4 6043 G13 I073 G11 SUPPLY 1106 H7 3037 C12 6044 G13 I074 G11 BIAS SUPPLY +24Vb...
  • Page 34 Circuit Diagrams and PWB Layouts LC4.8E AA Layout LCD Supply 37” (Top Side) 1002 E1 1109 B8 1305 A5 1350 A5 2011 A5 2038 B10 2302 C2 2315 A2 2325 C2 3026 D9 3076 E9 3085 C9 3304 D2...
  • Page 35 Circuit Diagrams and PWB Layouts LC4.8E AA Layout LCD Supply 37” (Bottom Side) 2006 E6 2021 F2 2029 B2 2037 D5 2047 E5 2054 D6 2063 C6 3003 D7 3010 D5 3021 C6 3029 E7 3036 E5 3043 E6...

  • Page 36: Lcd Supply 42": Mains Filter + Stdby A (A1)

    Circuit Diagrams and PWB Layouts LC4.8E AA LCD Supply 42”: Mains Filter + Stdby A 1000 D2 9812 E11 1001 D4 9813 C12 MAINS FILTER + STANDBY PART A 1011 E5 9814 C12 1305 F7 F410 B1 1306 F2...

  • Page 37: Lcd Supply 42": Supply A (A2)

    Circuit Diagrams and PWB Layouts LC4.8E AA LCD Supply 42”: Supply A 1009 I9 1010 I9 1304 H1 1309 I12 SUPPLY PART A 2000 F1 COLD 2002 B3 2003 A4 GROUND GROUND 2004 C2 BIAS SUPPLY 2005 D2 2006 C3...

  • Page 38: Lcd Supply 42": Mains Filter + Stdby B (A3)

    Circuit Diagrams and PWB Layouts LC4.8E AA LCD Supply 42”: Mains Filter + Stdby B 1C05 E8 ID15 C7 1D00 C2 ID16 C6 1D02 D5 ID24 D8 MAINS FILTER + STANDBY PART B 1D03 D5 ID42 C6 1D50 C8...
  • Page 39 Circuit Diagrams and PWB Layouts LC4.8E AA LCD Supply 42”: Supply B 1303 I12 3U70 H4 IA32 I5 1320 I12 3U71 H5 IA33 I4 1M02 H14 3U75 G5 IA34 I3 1U07 G11 3U89 H7 IA35 H3 SUPPLY PART B...

  • Page 40: Lcd Supply 42": Supply B (A4)

    Circuit Diagrams and PWB Layouts LC4.8E AA Layout LCD Supply 42” (Top Side) 1000 B1 1306 A5 1403 A3 1U01 D3 2004 A8 2020 C11 2403 A3 2503 A5 2816 B6 2D08 E4 2H10 G6 2U05 D7 2U25 D11...
  • Page 41 Circuit Diagrams and PWB Layouts LC4.8E AA Layout LCD Supply 42” (Bottom Side) 2006 A5 2021 A4 2030 A1 2044 D2 2061 C5 2077 A4 2U06 E5 2U21 D4 2U32 D1 2U48 E4 2U65 G4 3004 A4 3011 A4...

  • Page 42: Ssb: Tuner And Vif (B1)

    Circuit Diagrams and PWB Layouts LC4.8E AA SSB: Tuner and VIF 1101 C1 F106 D2 1102 A1 F107 D3 TUNER & IF 1103 E2 F108 B4 1104 C9 F109 E5 1105 D8 F110 C10 1106 E9 F111 C10 1107 F3...

  • Page 43: Ssb: Hercules (B2)

    Circuit Diagrams and PWB Layouts LC4.8E AA SSB: Hercules 1201 B7 3215 B6 5209 D5 I216 C10 1202 G10 3216 A6 5210 D5 I217 C11 2201 A3 3217 B7 5211 E5 I218 D3 HERCULES 2202 B3 3218 B7 5212 E5...
  • Page 44 Circuit Diagrams and PWB Layouts LC4.8E AA SSB: Sync Interface 1440 D9 1441 E9 2447 E8 SYNC INTERFACE 2448 E9 2449 E4 3431 A3 3432 B3 3451 A5 3453 B6 3454 B7 3455 C6 3456 C7 3458 D2 +5VSW...
  • Page 45 Circuit Diagrams and PWB Layouts LC4.8E AA SSB: Audio Delay Line (Reserved) 2501 A2 2502 B2 AUDIO DELAY LINE (RESERVED) 2503 D2 2504 B8 2505 B9 2506 C10 2507 D10 2508 F6 2509 F7 5501 1u0 F501 3501 F6...

  • Page 46: Ssb: Audio Processing (B5)

    Circuit Diagrams and PWB Layouts LC4.8E AA SSB: Audio Processing AUDIO PROCESSING 2603 A5 I602 A8 2604 A6 I603 B8 FROM HERCULES 2605 B6 I604 A9 2608 B5 I605 B9 2609 B6 I606 C4 2610 B6 I607 C4 2611 B6...

  • Page 47: Ssb: Dc-Dc Converter (B6)

    Circuit Diagrams and PWB Layouts LC4.8E AA SSB: DC-DC Converter 1751 A10 7738 F2 2700 B11 7741 G3 DC-DC CONVERTER 2701 B11 7742 G4 2704 A3 7752 D9 2706 B3 7753 B10 2708 C3 7754 A9 2709 C3 7755 B8...

  • Page 48: Ssb: Diversity Tables B1-B6

    Circuit Diagrams and PWB Layouts LC4.8E AA SSB: Diversity Tables B1-B6 TUNER & IF HERCULES SYNC INTERFACE AUDIO WITHOUT AMPLIFIER DC DC CONVERTER Item Description 2612 CER2 0603 Y5V 10V 1U COL Item Description Item Description 2613 CER2 0603 Y5V 10V 1U COL...
  • Page 49 Circuit Diagrams and PWB Layouts LC4.8E AA SSB: Scaler 1801 B12 7801-12 A4 SCALER 1802 G14 7801-4 C11 2800 A1 7801-5 E11 2801 A1 7801-6 F4 2802 A1 7801-9 G11 2803 A1 F800 A1 2804 A2 F801 B3 +3V3_PLL...
  • Page 50 Circuit Diagrams and PWB Layouts LC4.8E AA SSB: Scaler 2900 D1 F906 D10 2901 D2 F907 D10 2902 D2 F908 E9 SCALER 2903 E1 F909 E10 2904 E2 F910 G9 2905 A4 I900 C2 2906 A4 I901 E1 2907 A4...
  • Page 51 Circuit Diagrams and PWB Layouts LC4.8E AA SSB: Scaler Interface 2A00 E3 SCALER INTERFACE 2A01 F2 2A02 F2 2A03 C7 2A12 F6 2A13 E8 3A00 E2 3A01 E2 7801-8 3A02 C5 GM1501-LF-BD 3A03 C6 3A04 C6 ACp|GPIO_G06_B6|DORED8 AE20 3A05 C6...

  • Page 52: Ssb: Sdram (B10)

    Circuit Diagrams and PWB Layouts LC4.8E AA SSB: SDRAM 2B01 A1 2B02 A1 SDRAM 2B03 A1 2B04 A1 2B05 A2 2B06 A2 2B07 A2 +2V5_DDR 2B08 A3 2B09 A3 2B10 A3 2B11 A3 2B01 2B02 2B03 2B04 2B05 2B06...

  • Page 53: Ssb: Flash / Control (B11)

    Circuit Diagrams and PWB Layouts LC4.8E AA SSB: Flash / Control 1C00 E4 FLASH / CONTROL 2C00 A3 2C01 A3 2C02 E2 +3V3_IO 2C03 E5 3C00 E2 +3V3_IO 3C01 E5 3C02 E6 3C03 E6 3C04-1 A6 5C00 3C04-2 A6...

  • Page 54: Ssb: Mux-Sync Interface (B13)

    Circuit Diagrams and PWB Layouts LC4.8E AA SSB: MUX-Sync Interface 2E00 C2 3E50 C3 IE34 D10 MUX-SYNC INTERFACE 3E51 C3 2E01 C2 IE35 B7 2E02 C2 3E52 C3 IE36 B7 2E15 3E53 D3 5E02 IE08 2E03 B5 IE37 B7...

  • Page 55: Ssb: Digital I/O (B14)

    Circuit Diagrams and PWB Layouts LC4.8E AA SSB: Digital I/O 1F00-1 D1 DIGITAL IO 1F00-2 E1 1F00-3 F1 1F00-4 B1 1F01 A7 2F00 A2 TO MUX-SYNC INTERFACE 2F02 B2 IF11 5F00 2F04 B3 RINA|Pr 2F05 C2 2F07 C3 To HERCULES...

  • Page 56: Ssb: Scart Analogue I/O (B15)

    Circuit Diagrams and PWB Layouts LC4.8E AA SSB: SCART Analogue I/O 1G01-1 A1 3G95 I9 IG55 C11 1G01-2 E1 3G96 I9 IG56 D10 SCART ANALOGUE IO 1G02-1 F1 3G99 I8 IG57 B13 1G02-2 J1 3S00 J9 IG58 B13 1G03 G15...

  • Page 57: Ssb: Top Connectors (B16)

    Circuit Diagrams and PWB Layouts LC4.8E AA SSB: Top Connectors 1J00 B1 FJ25 E7 1J01 C1 FJ26 E7 TOP CONNECTORS 1J02 D1 IJ01 B1 1J03 F1 IJ02 B1 1J04 B8 IJ03 B1 1J05 C8 IJ04 B1 1J06 E8 IJ05 B1...

  • Page 58: Ssb: Side Connectors (B17)

    Circuit Diagrams and PWB Layouts LC4.8E AA SSB: Side Connectors 1K00 A8 1K01 D1 SIDE CONNECTORS 1K02 E8 1K03 A1 1K04 D1 2K00 B7 2K01 B6 4K01 2K02 C3 FOR DISC/ ARCH CABINET TO/FROM 1540 OF 2K03 C3 IR/ LED...

  • Page 59: Ssb: Adc (B18)

    Circuit Diagrams and PWB Layouts LC4.8E AA SSB: ADC 2L02 A7 3L37 E3 2L03 A7 3L38 C3 2L04 A7 3L39 C4 2L05 A8 4L00 D3 2L06 A8 4L01 D3 2L07 B7 4L02 C1 2L08 B7 4L03 C1 7L05 2L09 B7...

  • Page 60: Ssb: Columbus (B19)

    Circuit Diagrams and PWB Layouts LC4.8E AA SSB: Columbus 2M00 E2 3M87 A5 COLUMBUS 2M01 E2 3M88 C8 2M02 E3 3M89 C5 2M03 E3 3M90 E4 2M04 E3 4M00 B5 2M05 E3 4M01 B5 +3V3SWA +3V3SWA +3V3SWA 2M06 E3...

  • Page 61: Ssb: Epld (B20)

    Circuit Diagrams and PWB Layouts LC4.8E AA SSB: EPLD 1N01 A9 7N02-2 D7 1N02 D11 7N02-5 D10 EPLD 1N03 F12 7N03-1 C3 1N05 D5 7N03-2 C2 2N01 A2 7N04 D5 2N02 C1 FN01 B4 2N03 C2 FN02 B6 +3V3-IO...

  • Page 62: Ssb: Epld

    Circuit Diagrams and PWB Layouts LC4.8E AA SSB: EPLD 1P01 E8 FP09 E4 1P02 E8 FP10 F4 1P03 F8 FP11 F4 EPLD 1P04 F8 FP12 F4 1P05 G8 FP13 F4 1P06 A11 FP14 G4 1P07 D11 FP15 D11 EAGLE INTERFACE...

  • Page 63: Ssb: Diversity Tables B9-B21

    Circuit Diagrams and PWB Layouts LC4.8E AA SSB: Diversity Tables B9-B21 MUX-SYNC INTERFACE MUX-SYNC INTERFACE ANALOG I/O SCART SIDE CONNECTORS & PIXEL PLUS Item Description 2A00 CER2 0603 X7R 16V 100N COL Item Description 2A01 CER1 0402 NP0 50V 100P COL...

  • Page 64: Ssb: Sync Interface (B3)

    Circuit Diagrams and PWB Layouts LC4.8E AA Layout Small Signal Board (Top Side Overview) 1102 C6 1J04 A6 2203 A5 2230 B6 2248 B6 2269 A6 2448 A5 2716 A3 2903 C4 2D05 C1 2D38 C1 2E15 C4 2F08 D1...
  • Page 65 Circuit Diagrams and PWB Layouts LC4.8E AA Layout Small Signal Board (Top Side Part 1) Part 1 F_15270_034a.eps 180505...
  • Page 66 Circuit Diagrams and PWB Layouts LC4.8E AA Layout Small Signal Board (Top Side Part 2) Part 2 F_15270_034b.eps 180505...
  • Page 67 Circuit Diagrams and PWB Layouts LC4.8E AA Layout Small Signal Board (Top Side Part 3) Part 3 F_15270_034c.eps 180505...
  • Page 68 Circuit Diagrams and PWB Layouts LC4.8E AA Layout Small Signal Board (Top Side Part 4) Part 4 F_15270_034d.eps 180505...
  • Page 69 Circuit Diagrams and PWB Layouts LC4.8E AA Layout Small Signal Board (Bottom Side Overview) 1101 D2 2109 D1 2282 B3 2701 A6 2803 B6 2823 C5 2922 C6 2945 B6 2B07 B7 2D10 C7 2E25 C5 2G09 D4 2G52 D2...
  • Page 70 Circuit Diagrams and PWB Layouts LC4.8E AA Layout Small Signal Board (Bottom Side Part 1) Part 1 F_15270_035a.eps 180505...
  • Page 71 Circuit Diagrams and PWB Layouts LC4.8E AA Layout Small Signal Board (Bottom Side Part 2) Part 2 F_15270_035b.eps 180505...
  • Page 72 Circuit Diagrams and PWB Layouts LC4.8E AA Layout Small Signal Board (Bottom Side Part 3) Part 3 F_15270_035c.eps 180505...
  • Page 73 Circuit Diagrams and PWB Layouts LC4.8E AA Layout Small Signal Board (Bottom Side Part 4) Part 4 F_15270_035d.eps 180505...

  • Page 74: Side I/O Panel (D)

    Circuit Diagrams and PWB Layouts LC4.8E AA Side I/O Panel 1001 B2 F002 A2 JAGUAR ONLY 1002-1 B1 F003 B2 SIDE I/O 1002-2 C1 F004 C2 1002-3 D1 F005 C2 5000 F012 F013 1005 A8 F006 D2 F001 1010 E1...
  • Page 75 Circuit Diagrams and PWB Layouts LC4.8E AA Layout Side I/O Panel (Top Side) Layout Side I/O Panel (Bottom Side) 2003 A1 1001 B1 2004 A1 1002 A1 2005 A1 1005 A1 2006 A1 1010 A1 2007 A1 1050 A1...

  • Page 76: Control Board (E)

    Circuit Diagrams and PWB Layouts LC4.8E AA Control Board Personal Notes: 1701 A1 1704 A2 1M01 A4 3004 C1 3007 C1 3999 C4 9003 C2 F003 C4 I007 C1 I010 C2 I102 B1 I105 B3 1702 A1 1705 A1...
  • Page 77 Circuit Diagrams and PWB Layouts LC4.8E AA Layout Control Board (Top Side) 1701 1702 1703 1704 1705 1706 1M01 F_15420_012.eps 3104 313 6071.2 060605 Layout Control Board (Bottom Side) 3002 3003 3004 3005 3006 3007 3008 3009 3999 9001...

  • Page 78: Led Panel (J)

    Circuit Diagrams and PWB Layouts LC4.8E AA LED Panel 0001 A10 9119 E2 0002 A11 9120 B10 LED PANEL 0345 D2 9121 B11 1040 F9 9122 F11 1M01 C2 F010 A3 1M20 A2 F011 A3 0001 0002 2014 C4...
  • Page 79 Circuit Diagrams and PWB Layouts LC4.8E AA Layout LED Panel 0345 -- 1040 -- Personal Notes: 1M01 -- 3031 -- 1M20 -- 3032 -- 2014 -- 3033 -- 2030 -- 3055 -- 2040 -- 3056 -- 2070 -- 3070 --...

  • Page 80: Standby Audio Panel: Connections

    Circuit Diagrams and PWB Layouts LC4.8E AA Standby Audio Panel: Connections 0001 F4 F140 B8 0002 F4 I524 C8 0003 F5 I525 C7 1303 B7 I550 C6 CONNECTIONS 1304 C8 I551 C4 1309 E7 I552 F6 1314 E1 I553 F6...

  • Page 81: Standby Audio Panel: Standby (Sa2)

    Circuit Diagrams and PWB Layouts LC4.8E AA Standby Audio Panel: Standby 1301 B1 3506 H11 7511 A8 I186 G6 1305 D13 3507 F13 7512 A10 I187 D11 1306 B3 3508 G13 7513 B7 I188 D9 6511 I509 I510 1307 H3...

  • Page 82: Standby Audio Panel: Audio (Sa3)

    Circuit Diagrams and PWB Layouts LC4.8E AA Standby Audio Panel: Audio 0044 D14 2705 A7 2715 F4 2726 E2 2758 G9 2780 E5 2790 E2 3701 E6 3711 E4 3722 C1 3744 G11 3755 B10 3765 C12 3796 E11...
  • Page 83 Circuit Diagrams and PWB Layouts LC4.8E AA Layout Standby Audio Panel (Top Side) Layout Standby Audio Panel (Overview Bottom Side) 2103 B4 2141 C2 2503 B1 2537 A2 2707 F3 2716 F3 2727 G3 2762 E2 2786 F4 2798 D3...
  • Page 84 Circuit Diagrams and PWB Layouts LC4.8E AA Layout Standby Audio Panel (Part 1 Bottom Side) Part 1 F_15420_021a.eps 060605...
  • Page 85 Circuit Diagrams and PWB Layouts LC4.8E AA Layout Standby Audio Panel (Part 2 Bottom Side) Part 2 F_15420_021b.eps 060605...
  • Page 86 Circuit Diagrams and PWB Layouts LC4.8E AA Personal Notes: E_06532_013.eps 131004...

  • Page 87: Alignments

    Alignments LC4.8E AA EN 87 8. Alignments Index of this chapter: 8.1 General Alignment Conditions 8.2 Hardware Alignments 8.3 Software Alignments Note: Figures below can deviate slightly from the actual situation, due to the different set executions. General: The Service Default Mode (SDM) and Service Alignment Mode (SAM) are described in chapter 5.
  • Page 88 EN 88 LC4.8E AA Alignments 8.3.1 SAM Menu 00035 LC4XEP1 1.15/S4XPVX 1.23 ERR 0 0 0 0 0 OP 000 057 140 032 120 128 000 . OP1 . Delta Cool Red . OP2 . Delta Cool Green -1 .
  • Page 89 Alignments LC4.8E AA EN 89 8.3.4 ADC Gain and Grey Scale Alignment & Panel Size Settings Caution: • Do not change the NVM settings without understanding the function of each setting, because The table below shows a number of NVM settings used for incorrect NVM settings may seriously hamper the each model of TV set.
  • Page 90 EN 90 LC4.8E AA Alignments 8.3.5 Sound • For NICAM sets: see paragraph 8.3.3. • For other sets: No adjustments needed for sound. 8.3.6 Options Options OP1...OP7 in the SAM menu can be used for quickly restoring 64 features or settings of the HERCULES part of the TV set to their orginal default factory values (8 groups of 8 features/settings each).
  • Page 91 Alignments LC4.8E AA EN 91 Table 8-3 Option codes in detail, at bit level Option byte & bit table for restoring the TV set to its original Factory Default settings via the NVM Editor in the SAM menu Description of feature/option to be switched ON or OFF...

  • Page 92: Circuit Descriptions, Abbreviation List, And Ic Data Sheets

    EN 92 LC4.8E AA Circuit Descriptions, Abbreviation List, and IC Data Sheets 9. Circuit Descriptions, Abbreviation List, and IC Data Sheets Index of this chapter: the Pixel Plus architecture; the architecture of the Digital 9.1 Introduction Crystal Clear model is shown in the block diagram on the next 9.2 Block Diagram...
  • Page 93 Circuit Descriptions, Abbreviation List, and IC Data Sheets LC4.8E AA EN 93 Table 9-1 Models and picture quality Tuner and IF Model Picture quality A Philips UV1318 Tuner is used in the TV board. The SIF signals are decoded by the Hercules. Tuning is done via I...
  • Page 94 EN 94 LC4.8E AA Circuit Descriptions, Abbreviation List, and IC Data Sheets Video: TV Part (Diagrams B1, B2, and B3) Figure 9-3 Block diagram video processing...
  • Page 95 Circuit Descriptions, Abbreviation List, and IC Data Sheets LC4.8E AA EN 95 The video processing is completely handled by the Hercules Comb filter. Such a signal must be bypassed. Notch mode • IF demodulator. is not even an option since e.g. in double window, one part •...
  • Page 96 EN 96 LC4.8E AA Circuit Descriptions, Abbreviation List, and IC Data Sheets about a “Field Comb Filter”. Field Comb filters are only for PAL The offset block receives the motion dependant 2D/3D Comb of commercial interest. filtered signal as input. The black level of the luminance signal Field Comb filters show also problems on vertical colour is restored and the result is output.
  • Page 97 Circuit Descriptions, Abbreviation List, and IC Data Sheets LC4.8E AA EN 97 9.6.3 Noise Reduction and Noise Estimator Video: Scaler Part (Diagram B7, B8 and B9) The noise reduction function is a sophisticated successor of the The Genesis gm1501 Scaler is a dual channel graphics and...
  • Page 98 EN 98 LC4.8E AA Circuit Descriptions, Abbreviation List, and IC Data Sheets 9.7.1 Teletext Path Audio Processing In Pixel Plus and Digital Crystal Clear models, which have an Hercules ADC (B18) and Columbus 3D combfilter (B19), the digital input...
  • Page 99 Circuit Descriptions, Abbreviation List, and IC Data Sheets LC4.8E AA EN 99 the region. AP China can have a Multi-System and I/DK version. For India, it might only be BG standard. IIC BUS1 Tuner IIC BUS 2 ComPair GPROBE for Debug 9.8.2...

  • Page 100: Abbreviation List

    EN 100 LC4.8E AA Circuit Descriptions, Abbreviation List, and IC Data Sheets • LED. This signal is used as an indication for the Standby, 9.10 Abbreviation List Remote and Error Indicator. Region diversity: – During protection mode, the LED blinks and the set is...
  • Page 101 Circuit Descriptions, Abbreviation List, and IC Data Sheets LC4.8E AA EN 101 e.g. service mode (a DST-emulator is L/L' Monochrome TV system. Sound available in ComPair) carrier distance is 6.5 MHz. L' is Band Digital Theatre System; A multi-...
  • Page 102 EN 102 LC4.8E AA Circuit Descriptions, Abbreviation List, and IC Data Sheets Téléviseurs; This is a 21-pin connector used in EU, that carries various audio, video, and control signals (it is also called Péritel connector) Serial CLock Signal on I...

  • Page 103: Ic Data Sheets

    Circuit Descriptions, Abbreviation List, and IC Data Sheets LC4.8E AA EN 103 9.11 IC Data Sheets This section shows the internal block diagrams and pin layouts of ICs that are drawn as "black boxes" in the electrical diagrams (with the exception of "memory" and "logic" ICs).
  • Page 104 EN 104 LC4.8E AA Circuit Descriptions, Abbreviation List, and IC Data Sheets 9.11.2 Diagram B19, Type T6TU5XB (IC7M00, Columbus) Figure 1 Package outline (top view) WEB/ UVA0 UVA2 UVA4 UVA6 UVA8 SEL656 TST1 HREF DAVB /Di0 /Di2 /Di4 /Di6...
  • Page 105 Circuit Descriptions, Abbreviation List, and IC Data Sheets LC4.8E AA EN 105 9.11.3 Diagram B7+B8+B9, Type GM1501 (IC7401, Genesis) Block Diagram Parallel 2-wire IF/external Serial I/F JTAG GPIO micro Infra-red Rx Pulse Width Interface X186 External ndwid Modulator Micro-...
  • Page 106 EN 106 LC4.8E AA Circuit Descriptions, Abbreviation List, and IC Data Sheets 9.11.4 Diagram B12, Type S9993CT (IC7D03, HDMI Panellink), Reserved Block Diagram RESET# CSDA Registers Slave CSCL DSDA ---------------- Configuration Slave DSCL Logic Block Aux Data Logic HDCP...

  • Page 107: Spare Parts List

    Spare Parts List LC4.8E AA EN 107 10. Spare Parts List Set Level 2039 5322 126 11583 10nF 10% 50V 0603 3059 5322 117 13019 100kΩ 1% 0.063W 0603 2040 4822 126 14249 560pF 10% 50V 0603 3060 4822 051 30103 10kΩ 5% 0.062W 2041 2020 021 00039 1800µF 20% 35V...
  • Page 108 EN 108 LC4.8E AA Spare Parts List 6304 4822 130 11397 BAS316 2218 3198 035 71040 100nF 10% 16V 0402 2758 2020 012 00003 470µF 16V 20% SMD 6305 4822 130 11397 BAS316 2221 4822 124 12095 100µF 20% 16V 2760 2020 552 96671 1µF 10% 25V...
  • Page 109 Spare Parts List LC4.8E AA EN 109 2B05 3198 035 71040 100nF 10% 16V 0402 2J23 2238 869 15101 100pF 5% 50V 0402 2M30 3198 035 71040 100nF 10% 16V 0402 2B06 3198 035 71040 100nF 10% 16V 0402...
  • Page 110 EN 110 LC4.8E AA Spare Parts List 3212 4822 117 13545 100Ω 1% 0402 3713 2322 704 63302 3.3kΩ 1% 0603 3E10 3198 031 04730 47Ω 5% 0402 3213 4822 117 13545 100Ω 1% 0402 3716 3198 031 04720 4.7kΩ 5% 0402 3E11 3198 031 04730 47Ω...
  • Page 111 Spare Parts List LC4.8E AA EN 111 3G47 4822 117 12925 47kΩ 1% 0.063W 0603 3N12 4822 117 13606 10kΩ 5% 0.01W 0402 5206 4822 157 11716 Bead 30Ω at 100MHz 3G48 4822 117 12925 47kΩ 1% 0.063W 0603 3N13 4822 117 13606 10kΩ...
  • Page 112 EN 112 LC4.8E AA Spare Parts List 6E03 9322 102 64685 UDZ2.7B 2510 2020 021 91668 2200µF 20% 10V 6F00 4822 130 11397 BAS316 LED Panel [J] 2511 4822 124 12379 220µF 25V 6F01 4822 130 11397 BAS316 2512 4822 124 80061 1000µF 20% 25V...
  • Page 113 Spare Parts List LC4.8E AA EN 113 3157 4822 051 30223 22kΩ 5% 0.062W 5507 2422 536 00433 15µH 10% 3158 4822 051 30479 47Ω 5% 0.062W 5701 2422 536 00951 68µH 20% LHL10 3159 4822 051 30479 47Ω 5% 0.062W 5702 2422 536 00951 68µH 20% LHL10...

  • Page 114: Revision List

    EN 114 LC4.8E AA Revision List 11. Revision List Manual xxxx xxx xxxx.0 • First release. Manual xxxx xxx xxxx.1 • 42” circuit diagrams, PWB’s, and block diagrams added. • Spare parts list updated. • Some textual changes made.

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