Philips EM3E Service Manual
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Philips EM3E Service Manual

Philips EM3E Service Manual

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Colour television

Contents
1
and Chassis Overview
2
3
4
5
Faultfinding and Repair Tips.
6
Block Diagram (SSB Video)
Block Diagram (SSB Audio)
Supply Lines Overview
Wiring Diagram
2
I
C Overview
Testpoint Overviews
7
Electrical Diagrams and PWB lay-outs
Main Supply
Stand-by Supply
Line Deflection
Frame Deflection E/W Drive
Rotation Circuitry
Audio Amplifier
Headphone Amplifier
Tuner, I/O, SIMM (Female)
Front
Inputs / Outputs
SIMM (Male)
IF, I/O, Video Processing
Featurebox (PICNIC)
Video Control (HOP)
Teletext & Control (OTC)
Audio Demodulator
Falconic
©
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 CO 0066 Service PaCE
Page
4
6
20
23
35
36
37
38
39
40
41
Diagram PWB
(Diagram A1)
42
51-56
(Diagram A2)
43
51-56
(Diagram A3)
44
51-56
(Diagram A4)
45
51-56
(Diagram A5)
46
51-56
(Diagram A6)
47
51-56
(Diagram A7)
46
51-56
(Diagram A8)
48
51-56
(Diagram A10) 49
51-56
(Diagram A11) 50
51-56
(Diagram B1)
57
64-73
(Diagram B2)
58
64-73
(Diagram B3)
59
64-73
(Diagram B4)
60
64-73
(Diagram B5)
61
64-73
(Diagram B6)
62
64-73
(Diagram B8)
62
64-73
Printed in the Netherlands
Contents
Mains Switch Panel
CRT Panel
VDAF + 2nd Order S Panel
8
Electrical Alignments
9
Circuit Descriptions
List of Abbreviations
10 Spare Parts List
Subject to modification
Chassis
EM3E
AA
CL 16532044_000.eps
150501
Page
(Diagram E)
74
74-75
(Diagram F)
76
77
(Diagram G)
78
78
(Diagram H)
80
81
(Diagram I)
82
83
(Diagram O)
84
85
(Diagram P)
86
86
87
94
109
111

3122 785 11360

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Summary of Contents for Philips EM3E

  • Page 1: Table Of Contents

    (Diagram B8) 64-73 © 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, Connection Facilities

    GB 2 EM3E Technical Specifications, Connection Facilities and Chassis Overview 1. Technical Specifications, Connection Facilities and Chassis Overview (1 Vpp / 75 W ) Technical Specifications 3 - Y (0.3 Vpp / 75 W ) 4 - C / 16:9 1.1.1...
  • Page 3 Technical Specifications, Connection Facilities and Chassis Overview EM3E GB 3 External 2 (in/out): SVHS + CVBS (intended for VCR) External 3 (in): CVBS CL96532137_056.eps CL96532137_056.eps 171199 171199 Figure 1-4 Figure 1-5 R (0.5 Vrms / 1 k W ) 1 - Audio R (0.5 Vrms / 10 k W )

  • Page 4: Safety Instructions, Maintenance, Warnings And Notes

    GB 4 EM3E Safety & Maintenance instructions, Warnings and Notes 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 IC's and transistors, all •...
  • Page 5 Safety & Maintenance instructions, Warnings and Notes EM3E GB 5 Notes • The direct voltages and oscillograms should be measured with regard to the tuner earth ( ) or hot earth • The direct voltages and oscillograms shown in the...

  • Page 6: Directions For Use

    GB 6 EM3E Directions for use 3. Directions for use...
  • Page 7 Directions for use EM3E GB 7...
  • Page 8 GB 8 EM3E Directions for use...
  • Page 9 Directions for use EM3E GB 9...
  • Page 10 GB 10 EM3E Directions for use...
  • Page 11 Directions for use EM3E GB 11...
  • Page 12 GB 12 EM3E Directions for use...
  • Page 13 Directions for use EM3E GB 13...
  • Page 14 GB 14 EM3E Directions for use...
  • Page 15 Directions for use EM3E GB 15...
  • Page 16 GB 16 EM3E Directions for use...
  • Page 17 Directions for use EM3E GB 17...
  • Page 18 GB 18 EM3E Directions for use...
  • Page 19 Directions for use EM3E GB 19...

  • Page 20: Mechanical Instructions

    GB 20 EM3E Mechanical Instructions 4. Mechanical Instructions Note: Figures below can deviate slightly from the actual situation, due to the different set executions. Service position 2: To get access to the bottom side (solder side) of the LSP, do the following (see Figure 4.3): 1.
  • Page 21 Mechanical Instructions EM3E GB 21 4.3.3 Small Signal Board (SSB) 1. Once you have taken out the SSB, remove the A-side shielding [2]. Sometimes it is necessary to unsolder In fact, there is no predefined service position for the SSB.

  • Page 22: Rear Cover Assembly

    GB 22 EM3E Mechanical Instructions 4.3.6 DAF Panel Rear Cover Assembly 1. Remove the fixation screw [1]. Before you re-assemble the rear cover, perform the following 2. Push down the fixation clamp [2], and pull the complete checks: bracket at the same time away from the CRT [3]. The •...

  • Page 23: Service Modes, Error Codes

    Service Modes, Error Codes and Fault Finding EM3E GB 23 5. Service Modes, Error Codes and Fault Finding Index of this chapter: Activation can be performed in all modes, except when 1. Test points. the set has a problem with the main-processor.
  • Page 24 GB 24 EM3E Service Modes, Error Codes and Fault Finding active in the background). To return to the SAM-menu press the ‘OSD [i+]’ button. • When you press the ‘MENU’ key in a submenu, you will D a t e :...
  • Page 25 Service Modes, Error Codes and Fault Finding EM3E GB 25 Customer Service Menu 1 represents following information: transmitter after pressing the 'MENU' button and selecting 'PICTURE' and 'SHARPNESS'. • Line 10 - Dolby Indicates whether the received transmitter transmits Dolby sound (present) or not (not...
  • Page 26 GB 26 EM3E Service Modes, Error Codes and Fault Finding – M38.9: NTSC M signal received with video carrier on Picture too dark 38.9 MHz 1. Press 'Smart Picture' button on the RC-transmitter. In • Line 19 - Audio System Gives information about the case the picture improves, increase the ‘Brightness’...
  • Page 27 The ComPair interface box is connected to the PC leading to semi via a serial or RS232 cable. stdby-mode. In case of the EM3E chassis, the ComPair interface box and All ICs are Wait 1s, Plus 2 & 16...
  • Page 28 GB 28 EM3E Service Modes, Error Codes and Fault Finding Stepwise shut down explanation 5.4.5 How To Order In the stepwise shutdown mode, state 2 is skipped (it is not possible to de-initialise ICs). ComPair order codes: • Starter kit ComPair + SearchMan software + ComPair...

  • Page 29: The Blinking Led Procedure

    LED blink of 3 s, – the sequence starts again. The EM3E has only one micro-processor (OTC), which remains active during Standby. This because power of the Example: Error 12 9 6 0 0. microprocessor and the attached memory chip set is coming...
  • Page 30 ‘ESD refresh’ is carried out. This is done, because the interrupt on one of the inputs is possibly To get a quick diagnosis the EM3E has 3 service-modes caused either by a flash or by ESD. As a flash or ESD can...

  • Page 31: Repair Tips

    Service Modes, Error Codes and Fault Finding EM3E GB 31 • NON_VFB (No vertical Flyback) protection. If the frame stage generates no pulses, TS7641 will block. COLD TS7443 is now switched ‘on’, which will lead to Standby EHT-INFO mode. So in normal operation condition, TS7641 and TS7652 are conducting, while TS7443 is blocked.
  • Page 32 GB 32 EM3E Service Modes, Error Codes and Fault Finding – Replace FET 7504 and zener 6505. – Remove the SSB panel. – Short B and E of TS7529, in order to put the Main Supply in ‘on’-mode (TS7529 is blocking then).
  • Page 33 Service Modes, Error Codes and Fault Finding EM3E GB 33 Phenomenon Possible Cause Repair tip No picture, no LED. Standby Supply defective. Measure circuitry (see diagram A2). Start at test-point A19. When the Mains switch is ‘on’, this voltage must always be available No picture, no LED.
  • Page 34 GB 34 EM3E Service Modes, Error Codes and Fault Finding Personal Notes:...
  • Page 35 Electrical Alignments EM3E GB 87 8. Electrical Alignments Index of this chapter: Method 2 (with oscilloscope) 1. General alignment conditions. In the frame-blanking period of the R, G and B signals applied 2. Hardware alignments. to the CRT, the ‘HOP’ video processor inserts a measuring 3.
  • Page 36 GB 88 EM3E Electrical Alignments Software Alignments brand. See table ‘Cathode parameter’ for the colour analyser readings. 3. Select ‘Tint’ and set it to one of the three colour 8.3.1 Introduction temperatures (‘Cool’, ‘Normal’ or ‘Warm’) 4. Set the white levels according to the values in the table With the software alignments, it is possible to align the ‘White levels’.
  • Page 37 Electrical Alignments EM3E GB 89 Soft clipper Blend intensity Fixed setting:Pwl + 0% Use this alignment when you replace the microcontroller or the HOP. It aligns the level of transparency of the menu- picture blended into the main-picture. Luma gain 1.

  • Page 38: Option Settings

    GB 90 EM3E Electrical Alignments crosshatch) for a correct geometry alignment. Use the Option Settings 'Internal Test Pattern' only for the 'Vertical slope' alignment. 8.4.1 Introduction V. slope This alignment is meant to align the zero crossing of the The microprocessor communicates with a large number of frame deflection to the mechanical middle of the picture tube.
  • Page 39 Electrical Alignments EM3E GB 91 8.4.2 Options Select this sub-menu to set the initialisation codes (= options) of the set via text menu’s. Menu-item Subjects Options Physically in the set Dual screen/PIP Aux type None Feauture not present. Text Dual Screen...
  • Page 40 TXT Region 0 = East 8192 = West Sum OB4 China IF 0 = Off 4 = On Tuner 0 = Philips 8 = Alps 0 = Off 16 = On China TXT 0 = Off 32 = On EXT3...
  • Page 41 Electrical Alignments EM3E GB 93 8.4.4 Dealer Options Menu name Subject s Opt ions Physically in set Picture CTI enabled CTI disabled Personal Blue Mute Blue mute active i n case no picture detected Noise in case of no picture detected...
  • Page 42 Europe. EM stands for Eco-MG, 3 for an indication that this set is higher specified as the EM2E. So EM2E is a known chassis with Digital Scan, EM3E is set with Natural Motion, EM4E will be the EM3E set inclusive a Digital Reception board.

  • Page 43: Block Diagrams

    The RGB-signals for TXT/OSD (from the m P) are also inserted via the HOP. The In EM3E there is a separate Standby Supply, in order to video part delivers the RGB signals to the CRT-panel and the...
  • Page 44 Figure 9-4 9.3.2 Degaussing (diagram A1) To apply this on the EM3E (diagram A2): replace switch 'S' The 5V2 is present, as soon the set is switched 'on' via the by FET TS7102, coil L by L5101/L5100, diode D by D6111 mains switch.
  • Page 45 Circuit Descriptions and Abbreviation List EM3E GB 97 /R3118 (= 5 W ). This voltage is a measure of the current Tuner Supply and if it exceeds 1.4 V, TS7101 will be driven into The Standby supply produces 2 voltages for the Tuner: +33V conductivity and consequently connects the gate of ) and +5VT.
  • Page 46 (compared to the EM2E chassis). In EM2E, TS7502 was a Set to ‘On’ (via ‘SUP-ENABLE’) high-voltage semiconductor, in EM3E it is changed to a low- Via the ‘STANDBY’ command from the OTC, the MOSFETS voltage semiconductor. The added opto-coupler 7505 is 7141 and 7131 are switched ‘on’.
  • Page 47 +5V2 +3V3 + RESET 9.4.2 I C Busses RESET SEL_IN_1 In the EM3E chassis with OTC-processor there are three I C RC5/RC6 ON/OFF-LED busses used: +3V3 • Slow (max. 100 kHz) hardware I C-bus (called I C0), used for the Tuner.
  • Page 48 B2)) VCR is connected, there is also an automatic correction for MacroVision. This is active for the external sources and the In the EM3E, the HIP TDA932xH is used, which contains the pre-sets 0, 90-99. following functions: The HIP itself (no external voltage) controls the Y/C switch in •...
  • Page 49 9.7.8 Dynamic Contrast 7714 To make the contrast (black/white) range wider, Philips has invented Dynamic Contrast. It uses the digital memory used in 100 Hz sets. It measures every A-field (25 x per second), and digitally analyses where on the greyscale most of the 7709 image is located.
  • Page 50 (pin 13) to correct the phase of the Line drive. The EHT-info is supplied to pin 14 (DYN-PHASE-CORR) to compensate picture breathing depending on the beam current. Note: This is not used in the EM3E, therefore EHT- compensation in the SAM menu is put to zero. Frame Drive At pins 1 and 2 the symmetrical frame drive signals are available.
  • Page 51 Circuit Descriptions and Abbreviation List EM3E GB 103 9.10 Horizontal (Line) Deflection (diagram A3) 9.10.1 Principle Linearity Correction Caused by serial losses in the line output stage COLD 141V 6408 MAIN SUPPLY +11D S-correction 5430 3409 STANDBY SUPPLY +5V2 X >...
  • Page 52 GB 104 EM3E Circuit Descriptions and Abbreviation List negligible. In order to compensate for this, a pre-magnetised 5430 5430 coil L5421 in series with the deflection coil is used. This coil I Defl Defl ensures that during time interval t1 - t3 the circuit resistance...
  • Page 53 Circuit Descriptions and Abbreviation List EM3E GB 105 Beam-current Correction 9.10.4 Secondary Line Voltages The ‘EHT-info’ signal at point 10 of the LOT, depends on the value of the beam-current and the voltage from divider During the blocking time of TS7421, the magnetic energy of R3450, R3451 and C2450.
  • Page 54 3D Surround, L/R, Centre, Subwoofer, 4 x 15 W (95XX- 9.12.1 Introduction series). All EM3E sets contain one of ITT’s Multi-standard Sound 9.12.2 Inputs / Outputs Processing (MSP) ICs for sound decoding. The diversity arises because each member of the MSP-family handles its...
  • Page 55 SOUND-ENABLE line (software controlled) and/or POR line (hardware controlled). This signal is inverted by TS7701 and/or TS7703, as a result The sound processing in EM3E is completely done by the of which at a high level of the SOUND-ENABLE signal, MSP's: current is sinked from pin 2 and the IC mutes.
  • Page 56 GB 108 EM3E Circuit Descriptions and Abbreviation List 9.13.2 NexTView Principle SCAVEM will improve the slope as follows: At a positive slope, a SCAVEM current is generated which NexTView allows the user to display a program guide on the supports the deflection current.
  • Page 57 Circuit Descriptions and Abbreviation List EM3E GB 109 'not sharp', a low/mid frequency peaking is used. There 9.16 Abbreviation List is a coupling between the Auto Noise and the Auto Sharpness algorithm: if noise is present in the video...
  • Page 58 Vertical Flyback Pulse: vertical sync High-end video Input Processor: pulse coming from the feature box video and chroma decoder of EM3E Variable Level out: processed audio High-end video Output Processor: output towards external amplifier video, sync and geometry controller...
  • Page 59 Spare parts list EM3E GB 111 10. Spare parts list 5322 124 40641 10 m F 20% 100V Large signal panel [A] 2150 5322 126 11583 10nF 10% 50V 2627 4822 124 40255 100 m F 20% 63V 2152...
  • Page 60 GB 112 EM3E Spare parts list 3107 4822 050 11002 1k 1% 0.4W 3495 4822 050 23303 33k 1% 0.6W 3706 4822 051 20472 4k7 5% 0.1W 4822 116 80676 1 W 5 5% 0.5W 3108 3496 4822 051 30272 2k7 5% 0.062W 3707 4822 051 30683 68k 5% 0.062W...
  • Page 61 Spare parts list EM3E GB 113 6499 3198 020 51090 BZX384-C10 7901 4822 130 60511 BC847B 5103 4822 526 10704 Bead 100mHz 5104 4822 157 11411 Bead 100mHz 6505 4822 130 34281 BZX79-B15 7902 4822 130 60511 BC847B 6506...
  • Page 62 GB 114 EM3E Spare parts list 4822 117 13526 150 W 5% 0.63W 2352 4822 126 14305 100nF 10% 16V 2649 4822 126 14107 330nF 80-20% 25V 3008 4822 051 30689 68 W 5% 0.063W 2356 4822 126 14305 100nF 10% 16V...
  • Page 63 Spare parts list EM3E GB 115 3349 4822 051 30472 4k7 5% 0.062W 3666 4822 051 30154 150k 5% 0.062W 5903 4822 157 11716 BLM21P300SPT 3361 4822 117 12925 47k 1% 0.063W 3667 4822 117 12864 82k 5% 0.6W...

  • Page 64: Dc-Shift Panel

    GB 116 EM3E Spare parts list 2411 3198 017 01040 100nF 16V 2431 4822 122 31177 470pF 10% 500V Mains panel [E] 2412 3198 016 33310 330P 50V 2420 3198 017 44740 470nF 10V Various 5430 3128 138 38911 DC shift coil CU15...
  • Page 65 Spare parts list EM3E GB 117 2804 5322 122 32531 100pF 5% 50V 2805 5322 122 32531 100pF 5% 50V 2807 4822 126 14076 220nF 25V 4822 124 22652 2.2 m F 20% 50V 2813 2832 4822 122 33177 10nF 20% 50V...
  • Page 66 Block Diagrams, Wiring and Supply Diagram and Testpoints EM3E 6. Block Diagrams, Wiring and Supply Diagram and Testpoints Block Diagram LSP SUPPLY DEFLECTION MAINS SWITCH MAIN SUPPLY LINE DEFLECTION HOT COLD PANEL (PARTLY) COLD 5502 5511 5503 5516 +141V...
  • Page 67 Block Diagrams, Wiring and Supply Diagram and Testpoints EM3E Block Diagram SSB Video VIDEO TUNER, IF, I/O PICNIC FROM SIM CONN. SIM CONN. BLOCK SIMM-CONNECTOR CONN. VIDEOPROC. DIAGRAM (FEMALE) (MALE) (HIP) CONROL 1205 1000 RGB, FBL 1, 2, 3, 4...
  • Page 68 Block Diagrams, Wiring and Supply Diagram and Testpoints EM3E Block Diagram SSB Audio AUDIO AUDIO DEMODULATOR AUDIO AMPLIFIER 1651 7675, 7668 MUTE-SSB MUTE 7651 +5V_AUD -16V-19V +16V+19V CIRCUIT MSP3452G 7323 CONN. CONN. 7702 TDA9320H TDA7490 7666 1000 1205 1737...
  • Page 69 Block Diagrams, Wiring and Supply Diagram and Testpoints EM3E Supply Lines Overview MAINS SWITCH MAIN SUPPLY RECEIVER ROTATING CIRCUITRY IF/IO (RESERVED) +8Vp PANEL (PARTLY) 5502 5511 +5V2 1950 +11V 5503 5516 +11V RC RECEIVER 5504 3900 1403 5415 5404...

  • Page 70: Side I/O Panel

    Block Diagrams, Wiring and Supply Diagram and Testpoints EM3E Wiring Diagram TOP CONTROL PANEL DEGAUSSING COIL AQUADAG 0345 ROTATING COIL (COMPONENT VIEW) CRT PANEL 1383 1940 1235 DEFLECTION COIL PANEL SCAVEM SPEAKER R BLACK SPEAKER L SOCKET 1435 1334...
  • Page 71 Block Diagrams, Wiring and Supply Diagram and Testpoints EM3E C Overview I/O, VIDEO PROC. AUDIO PICNIC FALCONIC +5V2_CON +5V2_CON DEMODULATOR 3044-A8 3044-B7 3064-D5 SDA-F +5VP 3064-C6 SCL-F 3377 332376 3454 3455 3321 3320 3655 3656 3705 3703 3735 7001...
  • Page 72 Block Diagrams, Wiring and Supply Diagram and Testpoints EM3E Testpoint Overviews LSP COPPER TRACK SIDE CRT PANEL (COPPER TRACK SIDE) 2512 2511 TUNER 7131 7141 SIM CON. 7680 MAINS 7700 ROTATION TRAFO AUDIO 7307 VBATT 5512 7702 AUDIO C+SUB...
  • Page 73 Electrical Diagrams and PWB’s EM3E 7. Electrical Diagrams and PWB’s Large Signal Panel: Main Supply 0043 D 1 3519 F5 7529 F4 1500 B 1 3520 D6 7530 C4 MAIN SUPPLY (LSP) 1501 A 1 3521 B1 9501 B1...
  • Page 74 Electrical Diagrams and PWB’s EM3E Large Signal Panel: Standby Supply 1146 E10 2110 D2 2121 A1 2145 C2 3104 C2 3115 A7 3126 E2 3142 E8 3152 D2 4104 B1 6101 E3 6111 C6 6132 A9 7100 E1 7141 D10...
  • Page 75 Electrical Diagrams and PWB’s EM3E Large Signal Panel: Line Deflection 0042 F7 2400 D5 2415 C2 2423 E6 2433 D7 2462 A11 2494 A5 3407 C3 3417 C5 3440 F2 3461 E9 3499 A12 5421 C7 5461 E10 6408 A3...
  • Page 76 Electrical Diagrams and PWB’s EM3E Large Signal Panel: Frame Deflection 1625 B13 2481 F9 2604 C9 2630 B9 3418 F10 3474 E13 3485 F7 3497 E13 3627 C12 3637 A9 3652 B12 3662 B6 6455 E3 6615 E5 7440-A B3...
  • Page 77 Electrical Diagrams and PWB’s EM3E Large Signal Panel: Rotation Circuitry Large Signal Panel: Headphone Amplifier 2769 B3 2774 C1 3772 C4 3780 C1 6702 C2 2770 B1 2775 B1 3773 C4 3781 C2 7770-A B2 1601 A2 3681 D2...
  • Page 78 Electrical Diagrams and PWB’s EM3E Large Signal Panel: Audio Amplifier 0044 F7 2764 B2 3797 C8 0045 E5 2777 D1 5701 E3 AUDIO AMPLIFIER 1735 E2 2778 B4 5702 E2 1737 F9 2779 D1 5703 E2 PM3394B 1738 F6...
  • Page 79 Electrical Diagrams and PWB’s EM3E Large Signal Panel: Tuner SIM Connector (Female) 1200 F2 1201 G1 1205 I2 1932 F9 1933 B7 TUNER SIM CONNECTOR (FEMALE) 1934 A7 1951 SDA-S 1935 E9 1936 D7 SCL-S 1937 A13 1940 F7...
  • Page 80 Electrical Diagrams and PWB’s EM3E Large Signal Panel: Front Personal Notes: 1945 E3 1946 B2 1947 A2 3999 E1 FRONT 9905 E2 A8 A11 1947 A8-27 ON-OFF-LED A8-24 +5.2V 1949 PH-B A8-24 1946 EH-B A8-27 ON-OFF-LED 0241 A8-24 +5.2V...
  • Page 81 Electrical Diagrams and PWB’s EM3E Large Signal Panel: Inputs / Outputs INPUTS/OUTPUTS 1901-A A6 3992 A2 (SCART2) 1901-B A2 3993 A1 (SCART1) 1902-A D2 3994 A7 A8-58 1901-B 1901-A R-SC1_AV-OUT 1902-B D1 3995 A3 3960 3959 3997 3996 R-SC2-OUT...
  • Page 82 Electrical Diagrams and PWB’s EM3E Layout LSP (Component Side) 0042 C8 1492 A10 1625 C10 1936 F7 1953 E7 2108 C2 2140 G3 2420 C8 2435 C8 2487 A7 2508 C5 2523 D4 2630 D10 3105 D2 3118 C2...
  • Page 83 Electrical Diagrams and PWB’s EM3E Layout LSP (Bottom Side Overview) 0042 C3 1601 F10 1949 G9 2112 D9 2150 F8 2424 B5 2464 C1 2505 D6 2531 E7 2635 D2 2718 F5 2746 E5 2772 E4 2940 F4 3102 D9...
  • Page 84 Electrical Diagrams and PWB’s EM3E Layout LSP (Bottom Side Part 1) Part 1 CL 16532044_85a.eps 190601...
  • Page 85 Electrical Diagrams and PWB’s EM3E Layout LSP (Bottom Side Part 2) Part 2 CL 16532044_85b.eps 190601...
  • Page 86 Electrical Diagrams and PWB’s EM3E Layout LSP (Bottom Side Part 3) Part 3 CL 16532044_84c.eps 190601...
  • Page 87 Electrical Diagrams and PWB’s EM3E Layout LSP (Bottom Side Part 4) Part 4 CL 16532044_85d.eps 190601...
  • Page 88 Electrical Diagrams and PWB’s EM3E Small Signal Board: Sim Connector (Male) v1 G3 v5 G3 v9 G4 v13 G5 v17 G6 v21 G6 v25 G7 v29 G8 v35 G9 v39 G10 v43 G11 v47 G11 v51 G12 v55 G12...
  • Page 89 Electrical Diagrams and PWB’s EM3E Small Signal Board: IF, I/O Videoprocessing 1303 C13 5410 C1 1305 E11 5411 F14 1308 E12 5415 A2 IF,I/O VIDEOPROCESSING 1403 A1 5416 A3 1407 E6 6403 F2 1408-A C3 7307 G11 1408-B C3...
  • Page 90 Electrical Diagrams and PWB’s EM3E Small Signal Board: PICNIC 0013 K12 1701 J3 PM3394B PM3394B PM3394B PM3394B 2703 C10 2704 C11 PICNIC 2706 B11 2708 B11 * RESERVED 2709 C10 +5VA 2710 C11 500mV / div DC 500mV / div DC...
  • Page 91 Electrical Diagrams and PWB’s EM3E Small Signal Board: HOP B30a 0011 I10 3351 A9 1301 G4 3352 A8 1304 H3 3353 A10 2301 C2 3354 A10 1V / div DC 2303 E9 3355 B8 10us / div 2304 H6...
  • Page 92 Electrical Diagrams and PWB’s EM3E Small Signal Board: OTC 0012 G1 3044-B E3 6002 F12 1001 G3 3044-C E3 6003 E3 +8V_CON +3V3_INTOTC +3V3_INTOTC +3V3_INTOTC 1401 J10 3044-D E3 6004 C2 2031 3062 2040 +5V_CON 2001 G3 3045 J10...
  • Page 93 Electrical Diagrams and PWB’s EM3E Small Signal Board: Audio Demodulator 1651 H8 3545 B12 5668 D1 1680 B2 3546 D11 5669 I9 1681 C2 3547 C13 6650 A4 1682 H8 3550 E3 6651 E3 AUDIO DEMODULATOR +5V2 +5V2 +5V2...
  • Page 94 Electrical Diagrams and PWB’s EM3E Small Signal Board: Falconic 2702 B3 2705 H2 2711 G2 FALCONIC 2715 I8 * RESERVED 2716 I9 2732 A9 2734 A8 2735 A7 2736 E5 +3V3_INT 2737 E5 2780 D12 2782 G12 2783 H2...
  • Page 95 Electrical Diagrams and PWB’s EM3E Layout SSB (LOT Side Overview) 3757 A3 7362 C2 1000 C3 1308 B2 1680 B4 2004 A2 2008 A2 2012 A2 2025 A2 2034 A1 2040 A1 2317 B2 2330 B3 2334 B3 2346 A1...
  • Page 96 Electrical Diagrams and PWB’s EM3E SSB (LOT Side Part 1)
  • Page 97 Electrical Diagrams and PWB’s EM3E SSB (LOT Side Part 2)
  • Page 98 Electrical Diagrams and PWB’s EM3E SSB (LOT Side Part 3)
  • Page 99 Electrical Diagrams and PWB’s EM3E SSB (LOT Side Part 4) CL16532044_83a.eps 180601...
  • Page 100 Electrical Diagrams and PWB’s EM3E SSB (Tuner Side Overview) 1301 B3 1409 B4 2003 A3 2022 A2 2033 A3 2053 A4 2057 A4 2306 C3 2310 B3 2319 B3 2323 B3 2343 C2 2359 B3 2369 C3 2374 C3...
  • Page 101 Electrical Diagrams and PWB’s EM3E SSB (Tuner Side Part 1)
  • Page 102 Electrical Diagrams and PWB’s EM3E SSB (Tuner Side Part 2)
  • Page 103 Electrical Diagrams and PWB’s EM3E SSB (Tuner Side Part 3) B7 7...
  • Page 104 Electrical Diagrams and PWB’s EM3E SSB (Tuner Side Part 4) CL16532044_82a.eps 180601...
  • Page 105 Electrical Diagrams and PWB’s EM3E Mains Switch Panel Layout Mains Switch Panel (Top View) 0201 A2 0202 A4 MAINS SWITCH PANEL 0201 A2 0240 A4 0241 C4 0202 A2 0245 E4 SDDF 0240 B2 MAINS SWITCH 1050 C1 0202...
  • Page 106 Electrical Diagrams and PWB’s EM3E Layout Mains Switch Panel (Bottom View) Personal Notes: 2070 3050 3051 3054 3055 3061 3070 3071 3072 3073 3074 3075 3076 3078 3079 3081 3082 3083 3084 3085 4000 4001 4002 4003 4004 4005...
  • Page 107 Electrical Diagrams and PWB’s EM3E CRT / SCAVEM Panel 0031 F6 1298-I G9 2304 A8 2319 G8 2333 C2 2409 C6 3304 A8 3319 C8 3338 F7 3351 E6 3370 H11 3413 C4 4405 C3 6305 E6 7304 C6...
  • Page 108 Electrical Diagrams and PWB’s EM3E CRT/SCAVEM Panel (Top Side) CRT/SCAVEM Panel (Bottom Side) 2302 C3 2318 A1 2325 C3 2408 B2 2420 B3 2420 B3 3307 C3 3316 C1 3335 A1 3356 C1 3410 B1 3416 B3 4402 B3...
  • Page 109 Electrical Diagrams and PWB’s EM3E DC-Shift Layout DC-Shift Panel (Top Side) 1430 A2 2431 A1 5430 A1 6430 A2 6432 A2 9493 A3 317 B1 2430 A2 2493 A3 5493 A3 6431 A2 6433 A2 318 A1 1430 A3...
  • Page 110 Electrical Diagrams and PWB’s EM3E Personal Notes: Personal Notes:...
  • Page 111 Electrical Diagrams and PWB’s EM3E I/O 3rd SCART Panel 1301 D3 1339 H13 1500 B3 I/O 3rd SCART 1501 C2 1502 C3 1503 H13 1680 H1 1690 C13 1937 H8 (OPTIONAL) 1992 A1 1992 2301 D4 3500 3501 3502...
  • Page 112 Electrical Diagrams and PWB’s EM3E Layout I/O 3rd SCART Panel (Top Side) Layout I/O 3rd SCART Panel (Bottom Side) 2301 2500 1339 B2 2502 2503 1680 A1 2504 1690 C1 2506 1937 C1 2507 2508 1992 A2 2509 2501 C1...
  • Page 113 Electrical Diagrams and PWB’s EM3E VDAF + 2nd Order S Panel 1417 E1 7823 C5 1418 D1 9800 D2 1419 F1 9803 F2 (OPTIONAL) -VERTICAL DAF- 3809 1490 C8 9804 E2 11V DC 1491 E9 1492 A9 2816 VDAF...
  • Page 114 Electrical Diagrams and PWB’s EM3E Layout VDAF + 2nd Order S Panel (Top Side) Layout VDAF + 2nd Order S Panel (Bottom Side) 2818 B1 1417 A1 3818 B1 1418 A1 3819 A1 1419 A1 3820 A1 1490 C2...
  • Page 115 Electrical Diagrams and PWB’s EM3E Side I/O Panel 1326-A C1 1326-B C1 SIDE I/O 1326-C D1 1327 E2 +8V6 1328 B1 1333 A9 3845 3847 1344 F9 c/ 16/9 1346 E9 1333 1800 E2 EH-B 1801 C2 16/9 2807...
  • Page 116 Electrical Diagrams and PWB’s EM3E Layout Side I/O Panel (Top Side) Layout Side I/O Panel (Bottom Side) 1326 B1 1326 B1 3849 C1 1327 A1 1327 A1 3999 A1 1328 C1 1328 C1 4800 B1 1333 A1 1333 A1...

  • Page 117: Top Control

    Electrical Diagrams and PWB’s EM3E Top Control Panel Layout Top Control Panel (Top Side) 0345 0345 A4 1702 B3 1704 B1 3701 B3 3703 B2 3705 B1 1701 1701 B3 1703 B2 1705 B1 3702 B2 3704 B1 3999 B4...
  • Page 118 www.freeservicemanuals.info...
  • Page 119 www.freeservicemanuals.info...
  • Page 120 www.freeservicemanuals.info...

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