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Philips L01.1E Service Manual

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Colour Television

Contents
1. Technical Specifications, Connections and
2. Safety & Maintenance Instructions, Warnings
and Notes
Voltage Overview
Block Diagram
2
I
C And Supply Voltage Overview
7. Electrical Diagrams and PWB's
Line Deflection
Diversity Tables A2, A9, A12
Frame Deflection
Video IF and Sound IF
Synchronization
Audio Amplifier
NICAM (Stereo/SAP) Decoder (Diagram A9)
Audio/Video Source Switching (Diagram A10) 32
Front I/O + Control, Headphone(Diagram A12) 33
Rear I/O SCART
Tilt and Rotation
CRT
Side AV and Headphone
Side AV and Headphone
Top Control (RF)
Top Control (FSQ)
©
Copyright 2001 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 RB 0166 Service PaCE
Page
2
4
5
9
10
2
C And Supply
19
20
21
Diagram PWB
(Diagram A1)
22
36-41
(Diagram A2)
23
36-41
24
(Diagram A3)
25
36-41
(Diagram A4)
26
36-41
(Diagram A5)
27
36-41
(Diagram A6)
28
36-41
(Diagram A7)
29
36-41
(Diagram A8)
30
36-41
31
36-41
36-41
36-41
(Diagram A14) 34
36-41
(Diagram A15) 35
36-41
(Diagram B1)
42
44
(Diagram B2)
43
39
(Diagram C)
45
45
(Diagram E1)
46
46
(Diagram T)
47
47
(Diagram T1)
48
48
Printed in the Netherlands
(LARGE SCREEN)
Contents
List of Abbreviations
Subject to modification
Chassis
L01.1E
AA
CL16532008_035.eps
160501
Page
49
56
65
67

3122 785 11110

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Summary of Contents for Philips L01.1E

  • Page 1: Colour Television

    Top Control (FSQ) (Diagram T1) © Copyright 2001 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.

  • Page 2: Technical Specifications

    GB 2 L01.1E Technical Specifications, Connections and Chassis Overview 1. Technical Specifications, Connections and Chassis Overview Note: Described specifications are valid for the whole : NTSC 3.58 product range. (playback only) : NTSC 4.43 (playback only) Technical Specifications Channel selections...
  • Page 3 Technical Specifications, Connections and Chassis Overview L01.1E GB 3 1.2.2 Rear Connections External 2: YC in + CVBS in/out 75 Ohm AUDIO EXTERNAL 2 CL96532137_056.eps 171199 EXTERNAL 1 Figure 1-4 CL 16532008_036.eps 220501 1 - Audio R (0.5 Vrms / 1 kW) 2 - Audio R (0.5 Vrms / 10 kW)
  • Page 4 GB 4 L01.1E Technical Specifications, Connections and Chassis Overview Chassis Overview TOP CONTROL PANEL SIDE AV PANEL + HEADPHONE CRT PANEL FRONT INTERFACE POWER SUPPLY LINE DEFLECTION FRAME DEFLECTION TUNER IF VIDEO + SOUND IF SYNCHRONISATION MAIN CHASSIS CONTROL (µP)
  • Page 5 Safety & Maintenance Instructions, Warnings, and Notes L01.1E GB 5 2. Safety & Maintenance Instructions, Warnings, and Notes Safety Instructions For Repairs Warnings Safety regulations require that during a repair: • In order to prevent damage to ICs and transistors, avoid •...

  • Page 6: Directions For Use

    GB 6 L01.1E Directions for Use 3. Directions for Use...
  • Page 7 Directions for Use L01.1E GB 7...
  • Page 8 GB 8 L01.1E Directions for Use...
  • Page 9 Directions for Use L01.1E GB 9...
  • Page 10 GB 10 L01.1E Directions for Use...
  • Page 11 Mechanical Instructions L01.1E GB 11 4. Mechanical Instructions Note: Figures below can deviate slightly from the actual situation, due to the different set executions. Main panel with bracket. 1. Disconnect the strain relief of the Mains cord. 2. Disconnect the degaussing coil by removing the cable Rear Cover Removal from (red) connector 0201 [1].
  • Page 12 GB 12 L01.1E Mechanical Instructions Side I/O Panel Removal (if present) 1. Remove the complete Side I/O assembly, after unscrewing the 2 fixation screws [1]. 2. Release the two fixation clamps [2] and lift the board out of the bracket.

  • Page 13: Test Points

    Service Modes, Error Codes and Fault Finding L01.1E GB 13 5. Service Modes, Error Codes and Fault Finding Index of this chapter: 5.2.1 Service Default Mode (SDM) 1. Test points. 2. Service Modes. Purpose 3. Problems and Solving Tips (related to CSM).
  • Page 14 GB 14 L01.1E Service Modes, Error Codes and Fault Finding After entering SDM, the following screen is visible, with SDM 5.2.2 Service Alignment Mode (SAM) at the upper right side for recognition. Purpose • To perform alignments. • To change option settings.
  • Page 15 Service Modes, Error Codes and Fault Finding L01.1E GB 15 • In SAM, select menu items with the CURSOR UP/DOWN 6. Indicates if the sleep timer is enabled. key on the remote control transmitter. The selected item 7. Indicates if the V-chip feature is enabled.
  • Page 16 Click on the ‘Schematic’ hyperlink to automatically show 5.4.1 Introduction the position of the highlighted capacitor. ComPair (Computer Aided Repair) is a service tool for Philips 5.4.3 How To Connect Consumer Electronics products. ComPair is a further development on the European DST (service remote control), 1.
  • Page 17 Service Modes, Error Codes and Fault Finding L01.1E GB 17 • On screen via the SAM (only if you have a picture). Examples: – ERROR: 0 0 0 0 0 : No errors detected – ERROR: 6 0 0 0 0 : Error code 6 is the last and only detected error –...

  • Page 18: The Blinking Led Procedure

    GB 18 L01.1E Service Modes, Error Codes and Fault Finding The Blinking LED Procedure the same time, measure the ‘+8V’. If this voltage is missing, check transistor TS7480. • Set is non-stop in hiccup mode Set is in over current Via this procedure, you can make the contents of the error mode;...
  • Page 19 Block Diagram, Testpoints, I2C and Supply Voltage Overview L01.1E 6. Block Diagram, Testpoints, I C and Supply Voltage Overview Block Diagram REAR I/O SCART AUDIO/VIDEO AUDIO AMPLIFIER FRONT CONTROL CONTROL +3.3V +3.3V SOURCE SWITCHING FOR MONO SETS MONO/ 7943 7801...
  • Page 20 Block Diagram, Testpoints, I2C and Supply Voltage Overview L01.1E Testpoint Overview Main Panel Copper Track side AUDIO OUTPUT 7901 OR 7902 2V / div DC 1V / div DC 50V / div DC TV-PROC. 20us / div 10us / div 10us / div P1 = "$"...
  • Page 21 Block Diagram, Testpoints, I2C and Supply Voltage Overview L01.1E C and Supply Voltage Diagram POWER SUPPLY SCAVEM LINE DEFLECTION 5445 3362 ANODE CRT +13Va FOCUS FOCUS 5500 : 6500 6560 FOCUS CRT 5560 5564 5561 MAIN SUPPLY 3487 0231 5451...
  • Page 22 Schematics and PWB’s L01.1E 7. Schematics and PWB’s Large Signal Panel: Power supply 0211 C1 0282 F11 2502 B6 2507 D7 2520 F2 2526 D2 2559 D9 2564 C9 2569 G10 3503 B6 3509 B5 3522 E5 3527 E7 3532 D6...
  • Page 23 Schematics and PWB’s L01.1E Large Signal Panel: Line Deflection 0220 A2 2402 F4 2443 F10 2452 B2 2462 E5 2467 E5 2481 D8 2486 D9 2491 E8 3404 G3 3409 G4 3443 F10 3449 D10 3454 G9 3459 D6 3467 A10...
  • Page 24 Schematics and PWB’s L01.1E Diversity Table A2 Diversity Table A2 Diversity Table A9 Diversity Table A12 Item Description Item Description Item Description 1400 Relay 5A 10V 3468 47R 5% 1/6W 0214 5P male 2400 470n 3468 100R 5% 1/6W 0215...
  • Page 25 Schematics and PWB’s L01.1E Large Signal Panel: Frame Deflection 0222 B6 2471 A3 VlotAux+13V FRAME DEFLECTION 2472 B4 2473 A5 2474 B1 VlotAux+50V 2475 C1 2476 B5 3470 A4 3471 C5 3472 C5 2473 3473 C5 3474 B2 7471 100n...
  • Page 26 Schematics and PWB’s L01.1E Large Signal Panel: Tuner I/F 0265 A4 Diversity Table A4 TUNER IF 0283 B2 0285 B2 1000 A3 FM-RADIO ANTENNA 1002 D7 0265 1003 E7 VT_Supply VlotAux+5V 1004 E7 2001 C3 FOR ITV ONLY 2002 C3...
  • Page 27 Schematics and PWB’s L01.1E Large Signal Panel: Video IF + Sound IF 0243 C6 4218 F9 0248 C2 5201 D7 0249 B2 5202 A8 VIDEO IF + SOUND IF 0266 E11 5204 F2 0276 C2 5205 G2 3220 9618 1200 E7...
  • Page 28 Schematics and PWB’s L01.1E Large Signal Panel: Synchronisation 2241 E3 2242 E2 Diversity Table A5 2243 B3 SYNCHRONISATION 2244 E4 2245 E4 2246 D6 2247 B5 2248 B5 2249 C3 2250 C2 2252 C6 2253 D6 2254 B2 5241 3241 D3...
  • Page 29 Schematics and PWB’s L01.1E Large Signal Panel: Control 0217 F2 CONTROL 0240 A3 FOR ITV ONLY 0240 0250 B1 0261 D2 0273 B4 0274 A8 3611 DATA-OUT +3.3V 0279 A1 +3.3V 5602 100R 0287 B2 DATA-IN 0240 7602 1660 E7...
  • Page 30 Schematics and PWB’s L01.1E Large Signal Panel: Audio Amplifier + Mono Sound Processing 0246 B9 0267 G3 AUDIO_AMPLIFIER 0271 C2 0275 B4 0280 D9 0281 D9 2901 B6 2902 B7 2903 B5 2904 B4 2905 C5 2906 C4 AmpOutR+ 2907 D5...
  • Page 31 Schematics and PWB’s L01.1E Large Signal Panel: NICAM + 2CS + BTSC (Stereo / SAP Decoder) 0239 F10 1831 C9 NICAM + 2CS + BTSC (STEREO/SAP) DECODER 2831 C9 2832 C8 2843 2833 D4 2834 B3 DIVERSITY TABLE SEE PAGE 24...
  • Page 32 Schematics and PWB’s L01.1E Large Signal Panel: Audio / Video Source Switching 2801 B4 2802 E4 AUDIO/VIDEO SOURCE SWITCHING Diversity Table A10 2803 C2 2804 C5 2805 D5 3801 +6V8 3801 A2 Output HEF Logic 3802 A2 220R Scart1 Scart2...
  • Page 33 Schematics and PWB’s L01.1E Large Signal Panel: Front I/O + Front Control + Headphone 0214 F9 0215 C4 0218-A C2 0218-B C2 FRONT IO + FRONT CONTROL + HEADPHONE 0218-C B2 0219 D4 0232 F5 DIVERSITY TABLE SEE PAGE 24...
  • Page 34 Schematics and PWB’s L01.1E Large Signal Panel: Rear I/O SCART 0224-A F11 3120 F4 0224-B G11 3121 G3 0227 A7 3122 F4 0229 E7 3131 A9 REAR I/O SCART 0235-A A1 3132 B8 TO 0227 OF TO 0227 OF 0235-B A11...
  • Page 35 Schematics and PWB’s L01.1E Large Signal Panel: Tilt and Rotation Panel 0268 B8 2171 B4 TILT & ROTATION 2172 B5 3171 B4 3173 B4 3174 B5 7171 B6 VlotAux+13V VlotAux+13V 7171 TDA8941P 0268 OUT- 3173 3174 Tilt A8-74 OUT+ ROTATION...
  • Page 36 Schematics and PWB’s L01.1E Layout Large Signal Panel (Top View) CL 16532053_007.eps 150501...
  • Page 37 Schematics and PWB’s L01.1E Layout Large Signal Panel (Mapping Top View and Overview Bottom View) 0211 A2 2483 A7 3458 B6 6400 A8 9615 D7 0212 B3 2484 B6 3459 B6 6401 A5 9616 D7 0213 A3 3460 B8 6444 B7...
  • Page 38 Schematics and PWB’s L01.1E Layout Large Signal Panel (Part 1 Bottom View) Part 1 CL 16532053_08a.aps 150501...
  • Page 39 Schematics and PWB’s L01.1E Layout Large Signal Panel (Part 2 Bottom View) Part 2 CL 16532053_08b.eps 150501...
  • Page 40 Schematics and PWB’s L01.1E Layout Large Signal Panel (Part 3 Bottom View) Part 3 CL 16532053_08c.eps 160501...
  • Page 41 Schematics and PWB’s L01.1E Layout Large Signal Panel (Part 4 Bottom View) Part 4 CL 16532053_08d.eps 160501...
  • Page 42 Schematics and PWB’s L01.1E CRT Panel VG2 F9 0165 A7 0244 D1 0245 C1 CRT PANEL 0254-A A7 0255 A6 0256-A A6 +13Va 9341 AQUADAG 2330 A3 5346 0165 WIRE 2340 F2 1V / div DC 1V / div DC...
  • Page 43 Schematics and PWB’s L01.1E SCAVEM Panel 0278 D10 Diversity Table B2 2360 A8 2361 B3 2365 D8 SCAVEM PANEL 2366 D7 2367 D4 2368 D7 2372 C4 2373 E3 2374 E5 2375 D9 2376 E7 3360 Item Description +200V 2377 B5...
  • Page 44 Schematics and PWB’s L01.1E Layout CRT and SCAVEM Panel (Top View) Layout CRT and SCAVEM (Bottom View)
  • Page 45 Schematics and PWB’s L01.1E Side AV + HP Panel Layout Side AV + HP Panel (Top View) 0232 E5 0250-A C2 0250-B D2 0250-C B2 SIDE AV + HP PANEL 0251 A5 0254 E2 0255 E5 0277-A B1 0277-B D1...
  • Page 46 Schematics and PWB’s L01.1E Side AV Panel + Headphone Layout Side AV Panel + Headphone (Top View) 0232 D4 0250-A B2 SIDE AV PANEL & HEADPHONE 0250-B C2 0250-C A2 0251 B5 0252 B2 0253 A5 0254 D2 0255 D5...
  • Page 47 Schematics and PWB’s L01.1E Top Control Panel (RF) Layout Top Control Panel (RF) 0215 A1 1091 B2 1092 B3 1091 A1 1093 B3 TOP CONTROL PANEL (RF) 1092 B1 1094 C3 2010 B1 1093 A2 3091 A1 1094 A1 3092 A2...
  • Page 48 Schematics and PWB’s L01.1E Top Control Panel (FSQ) Layout Top Control Panel (FSQ) 0215 A2 1091 A2 TOP CONTROL PANEL (FSQ) 1092 A1 1093 A2 1094 A1 6091 A2 0215 TO 0239 3091 3092 3093 3094 3095 560R 390R 560R...
  • Page 49 Alignments L01.1E GB 49 8. Alignments Index of this chapter: – BRIGHTNESS to minimum (OSD just visible in a 1. General Alignment Conditions dark room). 2. Hardware Alignments 5. Return to the SAM via the MENU key. 3. Software Alignments and Settings 6.
  • Page 50 GB 50 L01.1E Alignments 8.3.1 Options 7\SHQXPEHU 2% 2% 2% 2% 2% 2% 2% 37 37 37 37 S A M 3: 3: 37 37 O P 1 X X X 37 O P 2 X X X 37 37...
  • Page 51 – OP52: SVHS OP17: PHILIPS_TUNER – OP53: CVI 0 : ALPS/MASCO compatible tuner is in use, – OP54: AV3 1 : Philips compatible tuner is in use, – OP55: AV2 Default setting : 0. – OP56: AV1 – OP57: NTSC_PLAYBACK OP20: HUE •...
  • Page 52 GB 52 L01.1E Alignments AP30: AVL 0 : Ultra Bass is disabled or not applicable, 0 : AVL is disabled or not applicable, 1 : Ultra Bass is enabled, 1 : AVL is enabled, Default setting : 0. Default setting : 0.
  • Page 53 Alignments L01.1E GB 53 OP63: VCHIP OP75: Reserved 0 : VCHIP feature is disabled, Default setting : 0. 1 : VCHIP feature is enabled, Default setting : 1. OP77 and 76: TIME_WIN1, TIME_WIN2 00 : The time window is set to 1.2s...
  • Page 54 GB 54 L01.1E Alignments 8.3.3 White Tone VERT. SLOPE VERT. SHIFT S A M VERT. AMPLITUDE N O R M A L > C O O L > W A R M > N O R M A L R E D V.S-CORRECTION...
  • Page 55 Alignments L01.1E GB 55 • Lower Corner Parabola (LCP). Align straight vertical In the table below, you will find the GEOMETRY default lines in the lower corners of the screen. values for the different sets. • East West Trapezium (EWT). Align straight vertical lines in the middle of the screen.
  • Page 56 GB 56 L01.1E Circuit Description 9. Circuit Description Index of this chapter: 1. Introduction The L01 is divided into 2 basic systems, i.e. mono and stereo 2. Audio Signal Processing sound. While the audio processing for the mono sound is 3.

  • Page 57: Video Signal Processing

    Circuit Description L01.1E GB 57 9.2.2 Mono 9.3.3 Video Source Selection In mono sets, the signal goes via the SAW filter (position The Composite Video Blanking Signal (CVBS) from buffer 1004 in case of QSS demodulation and 1003 in case of...
  • Page 58 GB 58 L01.1E Circuit Description Also some picture improvement features are implemented in RGB output signals is therefore proportional to the this part: voltage present on this pin. Contrast reduction starts • Black stretch This function corrects the black level of when the voltage on pin 54 is lower than 2.8 V.
  • Page 59 Circuit Description L01.1E GB 59 Deflection voltage across this measuring resistor is proportional to the output current, which is available at pins 4 and 7 where they drive the vertical deflection coil (connector 0222) in phase 9.5.1 Horizontal Drive opposition.

  • Page 60: Power Supply

    GB 60 L01.1E Circuit Description A line, written at the upper- or lower side of the screen, will be larger at the screen centre when a fixed deflection current is used. Therefore, the amplitude of the deflection current SUPPLY START-UP...
  • Page 61 Circuit Description L01.1E GB 61 Degaussing Control Circuit B1/B2 n⋅V Main Supply Focus Mains AC Input Main Power Panel VideoSupply Supply Main Aux Filament Tilt& Rotation GATE Degaussing Circuit VlotAux +13V 3V3 Reg. Correction Horizontal GATE Vaux Deflection +3.9V +3.3V...
  • Page 62 GB 62 L01.1E Circuit Description The moment that the voltage on pin 1 drops below the ‘under voltage lock out‘ level (UVLO = ± 9 V), the IC will stop switching and will enter a safe restart from the rectified mains voltage.
  • Page 63 Circuit Description L01.1E GB 63 • When the set is in protection mode. In Standby, the power supply works in ‘burst mode’. Active/ Burst mode can be used to reduce the power consumption inactive below 1 W at stand-by. During this mode, the controller is...
  • Page 64 GB 64 L01.1E Circuit Description Over Power Protection 9.7.1 Introduction During the primary stroke, the rectified AC input voltage is measured by sensing the current drawn from pin 4 (DEM). The microprocessor part of the UOC has the complete This current is dependent on the voltage on pin 9 of control and teletext on board.
  • Page 65 Circuit Description L01.1E GB 65 Abbreviation list information if a Y/C or CVBS source is present (signal is high). The presence of an external Y/C source makes this line ‘high’ while a CVBS source makes the line ‘low’. 2 Carrier (or Channel) Stereo –...
  • Page 66 GB 66 L01.1E Circuit Description Horizontal Acquisition: horizontal Service Alignment Mode sync pulse coming out of the HIP Second Audio Program Horizontal Flyback Pulse: horizontal Sandcastle: pulse derived from sync sync pulse from large signal signals deflection Short Circuit Headphone...
  • Page 67 Spare Parts List L01.1E GB 67 10. Spare Parts List Mono carrier 2139 2020 552 96305 4U7 20% 10V 2451 4822 121 41856 22nF 5% 250V 2140 4822 122 33172 390pF 5% 50V 2451 4822 121 51305 15nF 10% 50V...
  • Page 68 GB 68 L01.1E Spare Parts List 2832 5322 122 32447 1pF 5% 63V 3153 4822 116 83868 150W 5% 0.5W 3378 4822 117 11148 56k 1% 0.1W 2833 4822 126 13692 47pF 1% 63V 3154 4822 117 13579 220k 1% 0.1W 3379 4822 051 20472 4k7 5% 0.1W...
  • Page 69 Spare Parts List L01.1E GB 69 3504 4822 116 10105 9W 220V PTC 3905 4822 051 20332 3k3 5% 0.1W 6453 4822 130 11416 PDZ6.8B 3506 4822 053 21155 1M5 5% 0.5W 3906 4822 117 10833 10k 1% 0.1W 6460...

  • Page 70: Crt Panel

    GB 70 L01.1E Spare Parts List 7831 9322 160 79682 MSP3415G-PO-B8 FM 7832 4822 130 60511 BC847B 7833 4822 130 60511 BC847B 7834 4822 130 60511 BC847B 5342 4822 157 50961 22mH 3010 4822 117 13577 330W 1% 1.25W 7835...
  • Page 71 Spare Parts List L01.1E GB 71 6692 9322 127 54667 TSOP1836UH1 Top control pa Various 0141 4822 492 70788 Fix IC 0158 3139 131 00842 3P 1000mm 0158 3139 131 01771 3P 1000mm 0214 4822 267 10734 5P 0215 4822 267 10748 3P...
  • Page 72 GB 72 L01.1E Spare Parts List...

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