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Philips EM3E Service Manual Download Page 74

Electrical Diagrams and PWB’s

43

EM3E

7.

Large Signal Panel: Standby Supply

About DC-voltages measured:

STANDBY SUPPLY REPAIR KIT: 3122 785 90320

NORMAL

STANDBY (   )

A10

50V / div DC

5us / div

PM3394B

A11

5V / div DC

5us / div

PM3394B

A12

2V / div DC

5us / div

PM3394B

A13

5V / div DC

10us / div

PM3394B

A14

200mV / div DC

10us / div

PM3394B

A17

20V / div DC

5us / div

PM3394B

A18

5V / div DC

5us / div

PM3394B

A19

1V / div DC

5us / div

PM3394B

A15

500mV / div DC

5ms / div

A16

5V / div DC

5ms / div

(+0V5)

1V1

11V7

12V1

A1-8

A1-44

A1-12

(0V5)

-14V

-0.8V

0V

(-4V4)

0V (-0V5)

-0V8

0V5

5104 B4

5110 E7

5111 B7

5112 B6

5113 C4

6101 E3

6102 A2

6103 B1

6104 B2

6105 C3

6106 E2

6107 C6

(0V3)

12V

TO

1.6V

0.15V

6131 A9

138V

6108 D2

6109 C2

6110 A6

6111 C6

6113 B6

6114 E2

6115 C3

6116 D4

6120 D6

6121 E6

6122 E7

6130 A8

(-1V)

13V1

0V

5V2

+8V -switch

0V

0V5

5V1 (0V)

N.C.

(1V)

1V8

(0V)

0V

A8-9

0V

0.2V

-1V3

0V

0V

0.2V

0V8

1.2V

-14V

(-4V4)

0V4

0V

0V

1V9

39V5

166V

(1V1)

(326V)

287V

9112 B6

(0V)

(0V)

4V5

(0V)

0V

5.2V

1V1

8V2

39V6

(0V)

12V3

12V3

12V5

55V7

-0V5

3159 C8

3158 A9

3157 B9

3156 A9

3155 D9

3154 B5

3153 B7

3140 A8

3141 E8

3142 E8

3143 E9

3144 A8

3145 E3

3146 E4

3147 E3

3148 D3

3149 D4

3150 C3

3151 A9

STAND-BY SUPPLY

5V2 (5V3)

0.15V

0V

COLD

3152 D2

4K7

3115

3127 E2

3130 A8

3131 A8

3132 B9

3133 B8

3134 A9

3135 B9

2111 D1

2112 D3

2113 C6

2114 B3

2115 A7

2116 A6

2118 B7

2119 C7

2120 B7

2121 A1

2122 A1

2123 D4

2124 E3

2130 B9

2131 A9

4102 E5

4103 E5

4104 B1

5100 B5

5101 B5

5102 C1

5103 C6

3104 C2

3105 C2

3106 D1

3107 E1

3108 C4

3109 C8

3110 B3

3111 C1

3113 D7

3114 E6

3115 A7

3116 A7

HOT

COLD

HOT

0.9V

(0V)

3117 C2

3118 C4

3120 C1

3121 A2

3122 B2

3123 D6

3124 E6

3125 D1

3126 E2

6132 A9

6133 B8

6134 B8

6141 D9

6142 D3

6143 A6

6144 D2

6146 B1

6147 C4

6148 B6

7100 E1

7101 C3

+5V -switch

0.2V

(17V4)

9111 B7

-19.5V

0.6V

0V

7102 B3

7103 E6

7104 E5

7105 D3

7120 A2

7130 B8

7131 A8

7140 D9

7141 D10

9102 C8

9109 B3

9110 D7

A1-42

3103 C2

2140 E8

2141 A8

2143 B6

2144 D3

2145 C2

2147 D9

2148 A6

2149 E7

2150 A6

2152 B4

2153 E4

3101 C2

3102 D2

RES

(-1.5V)

2108 B4

2110 D2

1.2V

2109 E7

E

1146 E10

2100 C5

2101 C2

2102 D1

2103 C1

2104 C6

2105 C1

2107 C6

A8-47
A8-48
A1-43

2141

1u

A

B

C

D

E

A

B

C

D

5.2V

-0.4V

0.1V

220R

3145

330R

3135

1K

3105

9109

1n

2116

GND-SSP

2140

10u

2147

12n

7140
BC847B

3110

2R2

1u

2110

83R

5112

BZM55-C22

6104

GND-STB

47R

3104

2K7

3141

6121

1N4148

4102

2145

47p

2m2

2119

BZM55-C12

6141

GND-SSP

2124

10u

10R

3120

6148

BY28

83R

5111

A17

22u

2115

3153

100K

MCL4148

6102

BZX79-B3V9

6122

GND-STB

2n2

2113

2K2

3147

GND-SSP

1m

2120

A14

6103

BYD33D

1

10

2

3

5

6

7

8

5100

S22992-02

BC557B

7105

1K

3102

100n

2123

8u2

5102

47n

2111

7104

TCDT1102G

1

5

4

2

5113

83R

2100

470p

GND-SSP

GND-STB

9112

100R

3150

3107

1K

GND-SSP

1

2

3

4

5

1146

5K6

3127

6131

MCL4148

6108

BAT254

6114

BYD33D

9110

6134

MCL4148

GND-STB

BC557B

7100

83R

5104

3156

3R3

47K

3130

9102

2108

10n

1

4

3

2

2149

1u

A11

TCET1102

7103

6111 SB360

A12

1m

2118

3116

4K7

A15

3111

1K5

GND-STB

2n2

2107

BC847B

7130

GND-SS

P

100n

2114

6110

BYV95C

6146

1N5062 (COL)

9111

A16

GND-SSP

2121

22n

3151

47K

6115BAT254

10u

2102

MCL4148

6144

10R

3118

BZM55-C12

6130

3140

100K

A19

2n2

2101

10K

3122

6133

1N4148

33K

3157

1N5062 (COL)

6109

6147

BZX55-C6V8

7102 STP3NB60

BAT254

6142

2143

2n2

1u

2144

3152

1K

6113

BYW29EX

1u

2109

1K

3106

33K

3133

10K

3149

MCL4148

6143

GND-SSP

STP16NE06

7141

100p

2105

47R

3146

100p

2103

GND-SSP

STP16NE06

7131

2148

10n

2104

2m2

2131

22n

4104

BC547B

7101

GND-STB

GND-SSP

5110

83R

3155

100R

220R

3114

4103

15R

3125

100R

3144

22R

3148

BC547B

7120

10M

3101

GND-STB

100R

3143

A20

47R

3154

A18

GND-SSP

22R

3113

I180

22n

2122

10n

2112

GND-STB

3109

10n 2152

10R

3121

220R

A10

BZX79-C15

6105

470R

3131

GND-STB

68R

3124

BZM55-C6V8

6132

1N4148

6120

1K

3103

10K

3126

10R

3108

I181

10n

2150

6101

MCL4148

PBYR10160

6107

3134

1K

2153

15n

3159

10K

10R

3123

BZM55-C5V6

6116

A13

5103

A21

4K7

3142

10n

2130

33K

3132

47R

3117

BZX79-B15

6106

220R

3158

1

10

2

3

5

6

7

8

9

+5.2V

STARTUP

+11V

S28990-02

5101

+8V

+5V

VTUN

+5.2V

STANDBY

+11V

VTUN

+8V

-20V

V-START

2

3

4

5

6

7

8

9

10

1

2

3

4

5

6

7

8

9

10

1

CL16532044_050.eps

180601

www.freeservicemanuals.info

Summary of Contents for EM3E

Page 1: ...I2 C Overview 40 Testpoint Overviews 41 7 Electrical Diagrams and PWB lay outs Diagram PWB Main Supply Diagram A1 42 51 56 Stand by Supply Diagram A2 43 51 56 Line Deflection Diagram A3 44 51 56 Frame Deflection E W Drive Diagram A4 45 51 56 Rotation Circuitry Diagram A5 46 51 56 Audio Amplifier Diagram A6 47 51 56 Headphone Amplifier Diagram A7 46 51 56 Tuner I O SIMM Female Diagram A8 48 51 56 F...

Page 2: ...ont Controls Side Connections Figure 1 1 Audio Video In Video CVBS 1 Vpp 75 W Audio L 0 5 Vrms 10 kW Audio R 0 5 Vrms 10 kW Headphone 32 2000 W 10 mW SVHS in 1 GND 2 GND 3 Y 1 Vpp 75 W 4 C 16 9 0 3 Vpp 75 W 5 GND 1 2 2 Rear Connections Figure 1 2 Audio Out Audio Surr 0 5 Vrms 1 kW Audio L 0 5 Vrms 1 kW Audio R 0 5 Vrms 1 kW External 1 in out RGB YUV CVBS Figure 1 3 1 Audio R 0 5 Vrms 1 kW 2 Audio ...

Page 3: ...GND 18 GND 19 CVBS 1 Vpp 75 W 20 Y CVBS 1 Vpp 75 W 21 GND External 3 in CVBS Figure 1 5 1 2 Audio R 0 5 Vrms 10 kW 3 4 GND 5 GND 6 Audio L 0 5 Vrms 10 kW 7 8 CVBS status 0 1 3 V INT 4 5 7 V EXT 16 9 9 5 12 V EXT 4 3 9 GND 10 11 12 13 GND 14 GND 15 16 17 GND 18 GND 19 20 CVBS 1 Vpp 75 W 21 1 3 Chassis Overview Figure 1 6 1 21 20 2 CL96532137_056 eps 171199 1 21 20 2 CL96532137_056 eps 171199 CL 165...

Page 4: ...ng should be between 4 5 MW and 12 MW Switch off the TV and remove the wire between the two pins of the mains plug The cabinet should be checked for defects to avoid touching of any inner parts by the customer 2 2 Maintenance instructions It is recommended to have a maintenance inspection carried out by a qualified service employee The interval depends on the usage conditions When the set is used ...

Page 5: ...ial signal Voltages in the power supply section are measured both for normal operation and in Standby These values are indicated by means of the appropriate symbols The picture tube PWB has printed spark gaps Each spark gap is connected between an electrode of the picture tube and the Aquadag coating The semiconductors indicated in the circuit diagram and in the parts lists are completely intercha...

Page 6: ...y time you press a key on the remote control When you switch on your set for the first time the menu LANGUAGE automatically appears on the screen The explanation appears in different languages one at a time Choose your own language and press the OK key on the remote control Go on to page 4 Store TV channels 3 Preparation Preparation CABLE R6 1 5 V 1m m in 2 Preparation Preparation Your remote cont...

Page 7: ... key To exit from the menu press the MENU key on the remote control Go on to page 6 5 Installation Manual installation Automatic installation Automatic installation Start Stop TV is searching One moment please J Stop K Automatic installation Start Stop 1 BBC1 2 BBC2 3 CNN J Start K Manual installation Selection mode System Programme no Search Fine tune Store J System K 4 Installation Store TV chan...

Page 8: ...ources Decoder Descrambler Picture tilt Information line Factory settings Auto format yes no Auto Surround INSTALLATION J Decoder Descrambler 6 Installation Give name It is possible to change the name stored in the memory or to assign a name to a TV channel which has not yet been entered A name with up to 5 letters or numbers can be given to the programme numbers 0 to 99 For example SUPER BBC1 Bet...

Page 9: ...ly to a selected one digit TV channel keep the digit key pressed a bit longer 0 Previous programme The previously selected TV channel is displayed The indication is only video recorder Use of the remote control b Teletext on off see p 19 fh Teletext functions see p 20 h Zoom Press the ZOOM h key repeatedly to select one of the zoom magnifications x1 x4 x9 x16 Additionally you can shift the selecte...

Page 10: ...The TV continuously measures and corrects all incoming signals in order to provide the best picture possible Press the h key to select the Active Control values Off or On Off Sharpness and Dynamic Contrast are controlled automatically On Sharpness Dynamic Contrast and Noise Reduction are controlled automatically Press the cursor in the up down directions while the selected Active Control setting i...

Page 11: ...J FEATURES OK key to activate cursor to select adjustments return or switch main menu on off V P B Ò π f h U æ MENU b OK INSTANT Q yÚ 12 Use of the menus Sound menu Press the MENU key to display cancel the MAIN MENU é Use the cursor in the up down directions to select the SOUND menu Use the cursor in the up down left right directions to select the menu item Use the OK key to activate Press the MEN...

Page 12: ... overview of all the programmes which are marked as reminders or for recording the programme guide page number or to enter the programme list NEX TV IEW Teletext Guide Channel Overview BBC1 BBC2 p 202 p 01 02 π BBC1 11 03 14 35 226 3 17 50 231 Record Remind Info Teletext Guide NEX TV IEW Monday 9 Oct 18 03 Channel Theme Overview BBC1 NEX TV IEW What s on now Preview Themes Ratings Record Remind In...

Page 13: ...r MIP Magazine Inventory Page if automatic pre selection is not possible then the index page is displayed and the proper programme guide page number of the selected TV channel has to be entered with the digit keys The programme guide page will be stored automatically only if it satisfies Video Programming via Teletext VPT requirements Every time you press the æ key the programme guide page of the ...

Page 14: ...e left side for the normal main picture the right side for teletext broadcast by the selected TV channel Press the b key to return to a full screen picture or press the b key to return to a full teletext picture Quickly run through the teletext pages Press the cursor up down or the P key to run through the previous or the following pages Select the previously selected teletext page Press the 0 key...

Page 15: ...em is not T O P teletext a message appears at the top of the screen Select with the cursor up down left right the desired subject and press the OK key Select subpages When a selected teletext page consists of different subpages one of the subpages appears on the screen The coloured number in the first information line refers to the displayed subpage The other subpages can be selected in 2 ways Wit...

Page 16: ...mum picture quality eurocable 3 as shown opposite If your video recorder is provided with the EasyLink function the eurocable supplied with it should be connected to EXTERNAL 2 to benefit from the EasyLink functionality If the eurocable 3 is not used the following steps are required Search for and store the test signal of the video recorder Unplug the aerial cable 1 from the aerial socket x of you...

Page 17: ... Select the programme number under which you have stored the test signal with the digit keys Equipment connected to a euroconnector or to the right side of the TV Press the w key repeatedly to select EXT1 EXT2 EXT3 or FRONT according to where you connected your equipment at the back or the right side of your TV Remark Most equipment decoder video recorder satellite receiver carries out the switchi...

Page 18: ...ines 11 dual screen 14 DVD 25 dynamic contrast 11 e easy text 19 eurocable 22 f factory settings 7 favourite programmes 6 freeze 10 frequency 5 g give name 6 graphic equalizer 12 h headphone 23 hue 11 i incredible surround 9 info on screen 9 information line 7 interrupt the sound 9 l language 4 m manual installation 5 menu language 4 n natural motion 11 NEX TV IEW 15 nicam 10 p picture adjustments...

Page 19: ... H9 367 25 H10 375 25 H11 383 25 H12 391 25 H13 399 25 H14 407 25 H15 415 25 H16 423 25 H17 431 25 H18 439 25 H19 447 25 21 471 25 22 479 25 23 487 25 24 495 25 25 503 25 26 511 25 27 519 25 28 527 25 29 535 25 30 543 25 31 551 25 32 559 25 33 567 25 34 575 25 35 583 25 36 591 25 37 599 25 38 607 25 39 615 25 40 623 25 41 631 25 42 639 25 43 647 25 44 655 25 45 663 25 46 671 25 47 679 25 48 687 25...

Page 20: ...osition the bracket from 1 to 2 Figure 4 2 Service position 2 To get access to the bottom side solder side of the LSP do the following see Figure 4 3 1 To disconnect the degaussing coil from the LSP remove the cable from connector 1502 1 2 Release the wiring from their fixation clamps in order to get room for repositioning the LSP 3 Flip the LSP 90 degrees clockwise 2 and place it in the fixation ...

Page 21: ...both sides of the SIMM connector will release 2 3 Take the complete SSB out 3 Figure 4 6 1 Once you have taken out the SSB remove the A side shielding 2 Sometimes it is necessary to unsolder some solder tags first 1 2 Now replace the SSB module in the SIMM connector in reverse order Figure 4 7 Note 1 For better access to the SSB it is possible to order an extension board under number 9965 000 0793...

Page 22: ...upward 1 2 At the same time pull the complete assy backward 2 3 Now release the two fixation clamps 3 in order to remove the print from its bracket 4 Figure 4 11 Note If necessary you can replace the light guide 4 4 Rear Cover Assembly Before you re assemble the rear cover perform the following checks Check whether the mains cord is mounted correctly in the guiding brackets Check whether all cable...

Page 23: ...th the SDM the main menu will appear To switch it off push the MENU button again When you press the DEFAULT button on the Dealer Service Tool DST or RC7150 while the set is in the normal operation mode When you shorten for a moment the two solder pads on the external part of the SSB print see Figure 7 in Chapter 4 with the indication SDM item 4006 Activation can be performed in all modes except wh...

Page 24: ...u item Change the value of the selected menu item Activate the selected submenu When you press the MENU button twice the set will switch to the normal user menus with the SAM mode still 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 return to the previous menu How to exit SAM Use one of the following methods Press the MEN...

Page 25: ... MENU button and selecting PICTURE and SHARPNESS Line 10 Dolby Indicates whether the received transmitter transmits Dolby sound present or not not present Attention The presence of Dolby can only be tested by the software on the Dolby Signalling bit If a Dolby transmission is therefore received without a Dolby Signalling bit then this indicator will show not present even though such a Dolby transm...

Page 26: ... 15 Noise Figure In case the value of line 9 is 3 or 4 and the value of line 15 is high 127 or higher decrease the Sharpness value Picture too dark 1 Press Smart Picture button on the RC transmitter In case the picture improves increase the Brightness or the Contrast value The new value s are automatically stored in personal pre set for all TV channels 2 Check lines 5 LS Brightness and 6 LS Contra...

Page 27: ...tomatically read out the contents of the entire error buffer Diagnosis is done on I2C level ComPair can access the I2 C bus of the television ComPair can send and receive I2C commands to the micro controller of the television In this way it is possible for ComPair to communicate read and write to devices on the I2 C busses of the TV set Manually by asking questions to you Automatic diagnosis is on...

Page 28: ...date 4822 727 21637 SearchMan CD update 4822 727 21638 ComPair interface cable 3122 785 90004 5 5 Error Buffer 5 5 1 Introduction The error code buffer contains all detected errors since the last time the buffer was erased The buffer is written from left to right When an error occurs that is not yet in the error code buffer it is written at the left side and all other errors shift one position to ...

Page 29: ...etween 1 and 5 1 Press the DIAGNOSE button on the DST possible in all modes except SAM 2 Press 1 to view the last detected error or 2 etc to show the errors before 3 Press the OK button The red front LED will now give the requested error 5 7 Protections 5 7 1 Introduction The EM3E has only one micro processor OTC which remains active during Standby This because power of the microprocessor and the ...

Page 30: ... HOP Related Protections Every 200 ms the status register of the HOP is read by the OTC via the I2 C bus If a protection signal is detected on one of the inputs of the HOP the relevant error bit in the HOP register is set to high If this error bit is still high after 1 s the OTC will store the error code in the error buffer of the NVM and depending on the relevancy of the error bit the set will ei...

Page 31: ...signal the Main Supply is switched on and will deliver the VBAT to the Line deflection stage 2 4 EHT generation is now started 5 The OTC will un blank the picture 6 When you switch off the set this is done in a controlled way via the POR signal 3 Note Standby is not directly achieved via the Standby line of the microprocessor but indirectly via the HOP circuitry Figure 5 11 5 8 3 ComPair This chas...

Page 32: ... connect ground to measuring equipment than measure the gate 5 8 6 Standby Supply The simplest way is to replace the components of the Standby Supply with repair kit 3122 785 90320 5 8 7 Line Deflection The simplest way is to replace the components of the Line Deflection circuitry with repair kit 3122 785 90330 5 8 8 Frame Deflection Caution When the Frame Deflection circuitry is suspected one mus...

Page 33: ...o sound only picture Measure A7 A8 on diagram A1 Possibly the audio amplifier is defect but not shorted or the sound enable line is high diagram A5 Further measure the audio signal path HIP MSP Switch ICs Amplifier In ComPair a beep test can determine where the signal stops use loudspeakers or headphone Possible cause is also the PROT1 protection see diagram A6 This is a loudspeaker DC protection ...

Page 34: ...Service Modes Error Codes and Fault Finding GB 34 EM3E 5 Personal Notes www freeservicemanuals info ...

Page 35: ...IGHTNESS to 0 2 Activate the SAM 3 Connect the RF output of a pattern generator to the antenna input Test pattern is a black picture blank screen on CRT without any OSD info 4 Set the channel of the oscilloscope to 50 V div and the time base to 0 2 ms Use external triggering on the vertical pulse caution use e g R3641 which is at the cold side 5 Ground the scope at the CRT panel cold side and conn...

Page 36: ...Cathode and adjust the set to the correct light output This setting depends on the picture tube size and brand See table Cathode parameter for the colour analyser readings 3 Select Tint and set it to one of the three colour temperatures Cool Normal or Warm 4 Set the white levels according to the values in the table White levels Figure 8 4 Figure 8 5 Method 2 without colour analyser 1 Without havin...

Page 37: ...generator to a colour bar video signal and connect the RF output to the aerial input Set the amplitude to 10 mV and set the frequency to 475 25 MHz 2 Connect a DC multimeter between pin 1 and the shielding of the Tuner item 1200 on the LSP 3 Adjust the TUNER AGC value default value is 25 with the LEFT RIGHT cursor keys until the voltage at pin 1 of the tuner lies between 3 8 and 2 3 V 4 Store the ...

Page 38: ... not pre aligned module in a set East west alignment 1 Use East West Parabola to align the vertical lines until straight 2 Use Upper East West corner to align the vertical lines in the upper corners until straight 3 Use Lower East West corner to align the vertical lines in the lower corners until straight 4 Use East West Trapezium to align for a rectangular 5 Use Horizontal Parallelogram to align ...

Page 39: ...es Lightsensor present Lightsensor No Lightsensor not present Yes PALplus module present PALplus No PALplus module not present Yes Not valid for Europe Combfilter No Yes LTP present Picture improvement No LTP not present Yes PICNIC present Picnic No PICNIC not present Yes In normal operation Yes Picnic AGC No During Drive alignments No Yes Video repro Signalling bits No Yes 3rd EURO connector pres...

Page 40: ...5 FL10 n a 7 FL12 0 6 AVL 0 Off 64 On Sum OB0 1 Sum OB1 2 0 CTI 0 Off 1 On Sum OB2 0 Auto TV 0 Off 1 On 1 2 Auto Store Mode 0 None 4 TXT Page 2 PDC VPS 6 PDC VPS TXT Page 3 4 Picture Mute 0 Off 16 On 5 Demo 0 Off 32 On 6 Virgin 0 Off 64 On 12 TXT Preference 0 TOP 4096 FLOF 3 13 TXT Region 0 East 8192 West Sum OB3 0 2 China IF 0 Off 4 On 3 Tuner 0 Philips 8 Alps 4 TXT 0 Off 16 On 4 5 China TXT 0 Of...

Page 41: ... menu after mains switch on for the first time virgin mode None Autostore mode disabled not in installation menu PDC VPS Autostore mode via ATS PDC VPS enabled TXT page Autostore mode via ACI enabled Auto Store Mode PDC VPS TXT Autostore mode via ACI or ATS enabled Yes Demo menu enable Demo Menu Enable No Demo menu disable Yes Auto TV mode enabled Personal Auto TV No Auto TV mode disabled TOP Pref...

Page 42: ...e Frame drive signals from the HOP are symmetrical The architecture consist of a conventional large signal panel LSP and a small signal board SSB module placed into a so called SIMM connector Standard Interface 80 pins The LSP is built up very conventional with hardly any surface mounted components on the copper side Similar with the EM2E but different as with the MG chassis the EM3E LSP has a ver...

Page 43: ...e via transformer 5621 The horizontal output stage generates some supply voltages and the EHT focus and Vg2 voltages The RGB amplifiers on the CRT panel are integrated in one IC and are supplied with 200 V from the LOT The SCAVEM circuit modulates transitions of the Luminance Y signal on the horizontal deflection current giving a sharper picture The sound part is built around the MSP34xx Multi cha...

Page 44: ...principle Figure 9 3 After closing switch S the current ID will increase linear in time The magnetic energy in the primary coil is directly proportional with the self inductance of the coil and current ID thus with the time the switch is closed The voltage polarity at the secondary winding is negative due to different winding direction meaning that diode D will block Capacitor C will discharge via...

Page 45: ... loaded the secondary voltage will have the tendency to increase more rapidly If the load on the power supply increases then the oscillator stops less often right up to the moment that the oscillator is operating continuously maximum load If the power supply is now loaded even more the output voltage will decay The maximum primary current set by R3108 3118 determines the maximum load Protection If...

Page 46: ... transistor TS7502 TON of the FET is changed will increase The output voltage VBAT will rise If the load continues to increase the regulator will block at a certain moment TON will is now at maximum value This is the point where VBAT will go below 141 V and at further increasing load is switched off the voltage across the co coupled coil 4 5 will decrease due to the increasing load Therefore the v...

Page 47: ...Operational hours Error codes Option codes All factory alignments Last Status items for the customer a complete factory recall Txt featuring keeping habit watch data EPG data 9 5 Tuner IF diagram A8 B2 The tuner is I2C controlled and is capable of receiving off air S cable and Hyperband channels Low 44 156 MHz Mid 156 441 MHz High 141 865 MHz The tuning is done via I2C The reference voltage on pin...

Page 48: ...are fed directly to the I O part of the HIP with status from pin 8 of SCART On the HIP there are two status inputs available pins 15 17 with two voltage levels 4 3 2 2 V 16 9 5 5 V 9 6 4 P50 Easylink supports the next features Signal quality and aspect ratio matching One touch play One touch text Pre set download WYSIWYR Automatic Standby With Easylink Plus P50 is added Country and language instal...

Page 49: ...ct ratio belonging to the display without the black bars 9 7 7 Colour Transient Improvement CTI At CVBS video signals the bandwidth of colour signals is limited to 1 4 of the luminance bandwidth Transients between areas of different colours are therefore not very sharp The PICNIC can steepen these transients artificially with a time manipulation algorithm 9 7 8 Dynamic Contrast To make the contras...

Page 50: ...e HD100 pulse which comes from the PICNIC The PHI 2 part in the HOP receives the HFB_X RAY_PROT 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 driv...

Page 51: ...them When the LINEDRIVE1 signal is high again the above described sequence starts again Circuit L5411 and R3409 will increase the switch off time of the line transistor The line stage is started via a slow start principle During start up the HOP generates line drive pulses with a small TON and a high frequency 50 kHz TOFF is constant and TON is gradually increased until the frequency is 31 25 kHz ...

Page 52: ...eft side is reduced C2433 is charged quadratic during time interval t1 t2 Left and right the voltage across the deflection coil decreases causing the deflection to slow down In the centre the voltage increases and the deflection will be faster An S shaped current is superimposed on the saw tooth current This correction is called finger length correction or S Correction C2433 is relatively small as...

Page 53: ... not required During the forward scan a supply of 13 and 15 V is sufficient to respond to the slow changing current The internal flyback generator puts a voltage of 15 V on pin 3 Because of the voltage drop over zener diode D6622 8 2 V C2622 will be charged to 19 V being 13 15 8 2 0 7 V During the flyback scan the change in current per time is much larger so a higher voltage is required The flybac...

Page 54: ...M mono input This means in practice 3 SCART inputs 1 side input and 1 AM mono input Both versions have the following outputs SCART1 CVBS decoder out SCART2 record select WYSIWYR out and headphone 9 12 3 Source Selection The constant level output to SCART2 is connected via a so called Régimbeau switch IC7652 see also Figure 9 13 This switch is needed to prevent acoustic feedback Larsen effect This ...

Page 55: ...ther reducing losses The advantage of Class D is increased efficiency less heat dissipation Class D amplifiers can drive the same output power as a Class AB amplifier using less supply current The disadvantage is the large output filter that drives up cost and size The main reason for this filter is that the switching waveform results in maximum current flow This causes more loss in the load which...

Page 56: ...dth 5 MHz Principle SCAVEM will improve the slope as follows At a positive slope a SCAVEM current is generated which supports the deflection current At the first half of the slope the spot is accelerated and the picture is darker At the second half of the slope the spot is delayed and the slope becomes steeper At the end of the slope the SCAVEM current decays to zero and the spot is at the origina...

Page 57: ...e 9 16 Abbreviation List AARA Automatic Aspect Ratio Adaptation algorithm that adapts aspect ratio to remove horizontal black bars keeping up the original aspect ratio ACI Automatic Channel Installation algorithm that installs TV sets directly from cable network by means of a predefined TXT page ADC Analogue Digital Converter AFC Automatic Frequency Control control signal used to tune to the corre...

Page 58: ...ory IC containing TV related data e g alignments O C Open Circuit ON OFF LED On Off control signal for the LED OSD On Screen Display OTC On screen display Teletext and Control also named Artistic SAA5800 P50 Project 50 communication protocol between TV and peripherals PCB Printed Circuit board PICNIC Peripheral Integrated Combined Network IC main IC for 100 Hz featuring and feature processing Prog...

Page 59: ... 780 15654 220nF 10 16V 2495 2238 780 15654 220nF 10 16V 2497 4822 126 12105 33nF 5 50V 2498 2020 552 96448 16V 1mF 10 2498 3198 017 44740 470nF 10V 2499 5322 126 11579 3 3nF 10 63V 2501 4822 126 14053 1nF 10 2kV 2503 5322 121 42489 33nF 5 250V 2504 4822 122 30103 22nF 80 63V 2505 4822 126 14088 2 2nF 20 250V 2507 4822 126 13589 470nF 275V 2508 4822 124 11913 22nF 20 275V 2509 4822 124 11913 22nF ...

Page 60: ...5 0 062W 3610 4822 051 30223 22k 5 0 062W 3611 4822 051 30222 2k2 5 0 062W 3620 4822 116 80176 1W 5 0 5W 3621 4822 116 80676 1W5 5 0 5W 3622 4822 116 81154 2W2 5 0 5W 3623 4822 116 52251 18k 5 0 5W 3624 4822 052 10158 1W5 5 0 33W 3625 4822 116 52206 120W 5 0 5W 3626 4822 116 52175 100W 5 0 5W 3627 4822 051 20223 22k 5 0 1W 3628 4822 116 52175 100W 5 0 5W 3630 4822 051 30333 33k 5 0 062W 3631 4822 ...

Page 61: ... 130 11416 PDZ6 8B 7100 4822 130 44568 BC557B 7101 4822 130 40959 BC547B 7102 4822 130 11417 STP3NB60FP 7103 9322 149 04682 Opto coupler 7130 4822 130 60511 BC847B 7131 4822 130 11336 STP16NE06FP 7140 4822 130 60511 BC847B 7141 4822 130 11336 STP16NE06FP 7408 5322 130 44647 BC368 7409 4822 130 60511 BC847B 7421 9340 210 30127 BU2520DX 7440 4822 209 70672 LM358N 7441 4822 130 60373 BC856B 7442 4822...

Page 62: ...16V 2728 4822 126 11669 27pF 2729 4822 126 14225 56pF 5 50V 2730 4822 126 14494 22nF 10 25V 2731 4822 122 31765 100pF 2 63V 2732 4822 126 14305 100nF 10 16V 2733 4822 126 14494 22nF 10 25V 2734 4822 126 14305 100nF 10 16V 2735 4822 126 14305 100nF 10 16V 2736 4822 126 14305 100nF 10 16V 2737 4822 126 14305 100nF 10 16V 2738 4822 126 14494 22nF 10 25V 2740 4822 126 14305 100nF 10 16V 2743 4822 126 ...

Page 63: ...100W 5 0 062W 3735 4822 051 30472 4k7 5 0 062W 3736 4822 117 13632 100k 1 0 62W 3739 4822 051 30101 100W 5 0 062W 3740 4822 117 12917 1W 5 0 062W 3741 4822 117 12968 820W 5 0 62W 3744 4822 051 30471 470W 5 0 062W 3745 4822 051 30102 1k 5 0 062W 3747 4822 051 30391 390W 5 0 062W 3748 4822 051 30391 390W 5 0 062W 3749 4822 051 30391 390W 5 0 062W 3754 4822 117 12917 1W 5 0 062W 3755 4822 051 30101 1...

Page 64: ...1 2W 3340 3198 013 01020 1k 20 1 2W 3341 2306 204 03151 Fuse 150W 5 3342 3198 011 04710 470W 5 1 6W 3345 3198 011 03390 33W 5 1 6W 3347 3198 013 01520 1k5 20 1 2W 3349 3198 013 01020 1k 20 1 2W 3350 3198 011 04710 470W 5 1 6W 3351 3198 011 04710 470W 5 1 6W 3352 3198 011 04710 470W 5 1 6W 3354 3198 021 32220 2k2 5 3355 3198 021 31090 10W 5 3356 3198 021 31020 1k 5 3357 3198 021 31090 10W 5 3358 31...

Page 65: ...5 0 5W 3829 4822 116 52206 120W 5 0 5W 3830 4822 050 21003 10k 1 0 6W 3835 4822 116 52276 3k9 5 0 5W 3842 4822 050 21003 10k 1 0 6W 3999 4822 116 83868 150W 5 0 5W 6801 9322 129 38685 BZM55 C6V8 6802 9322 129 38685 BZM55 C6V8 6803 9322 129 40685 BZM55 C10 6804 9322 129 40685 BZM55 C10 6805 9322 129 40685 BZM55 C10 6806 9322 129 40685 BZM55 C10 6807 9322 129 38685 BZM55 C6V8 6808 9322 129 38685 BZM...

Page 66: ...A8 B5 3 1 7450 A 2 7 3 2622 5 4 15V LOT 6 2 OP AMP 1 5 7 3455 3457 7441 3459 7455 8V6 8V6 13V LOT ARC PROT 8Vb 8V6 6 5 5100 OR 5101 7103 OR 7104 7 8 9 3 6107 5103 6111 3113 6122 11V 5V2 8V OTC STANDBY 6103 6109 V START START UP 6146 20V 5102 2102 2 1 3456 7450 B CURRENT SOURCE 6 2 1 3 HFB_X RAY PROT B4 B4 FRAMEDRIVE HOP HOP HOP FRAMEDRIVE B4 FOCUS A 2 3 4 1 1495 3479 7442 7654 765 3635 3636 1 2 3 ...

Page 67: ...EDRIVE FRAMEDRIVE B CRT G CRT R CRT YSVM B CRT CUTOFF G CRT R CRT Y SCAVEM EHT INFO HFB X RAY PROT E W DRIVE EHT INFO A OTC OTC B5 OTC TILT VSYNC SANDCASTLE HFB X RAY PROT POR 9 1 5 11 6200 BZM55 C33 SCL 46 3376 3200 4 8V 1205 3 2 8 4 1 9 10 6 5 1 2 IF A68 B49 B33 B22 15 13 B4 B5 A69 A70 B7 1301 12MHz 3453 15 1 2 3 4 1 2 3 4 RGB FBL CVBS TER OUT 10 6 63 64 9 10 6 63 64 9 18 CVBS AV3 IN SEE BLOCK D...

Page 68: ...6 11 10 SIM CONN A8 FRONT A10 MAINS SWITCH PANEL CONTROL AUDIO E TOP CONTROL P 79 78 77 SIM CONN B1 SIM CONN A8 66 65 1936 1936 2 1 3 4 5 6 7 8 9 2 1 3 3 GREEN IR RECEIVER 6051 TLUV5300 RED 1 3 4 5 6 7 8 9 3 1 1737 15W 8ohm SUBWOOFER OPTIONAL OPTIONAL 8 6 8 6 R L R L 1 3 2 6 1 3 2 6 23 A61 3 1 1738 5705 5706 5704 5703 15W 8ohm CENTRE 7679 A 7679 B 12 13 14 7653 2 1 15 15 4 7653 RES 5 3 61 7654 766...

Page 69: ... S CONTROL CIRCUIT ACTIVATING CIRCUIT CONTROL CIRCUIT 1950 RC RECEIVER ROTATING CIRCUITRY A5 11V 11V 1 FRONT A10 MAINS SWITCH E 7680 TDA7052 5V2 VTUN 9 7 3 4200 5901 6200 C33 1200 TEDEG TUNER 8V SIM B1 5V STANDBY 8V6 43 40 5V2 8V 5V 3V3 8V 1000 STANDBY STANDBY 3V3_SIM 5V_AUD 5V_VDP 5V_CON 5V 8V_VDP 8V_AUD 8V 5903 5904 5900 5901 5902 5V2 1205 45 44 3V3 OUT IN 5V 5VT 8V 8VS2 8VS 8V 5V 5V2 46 47 36 7...

Page 70: ...W 1502 I O 3rd SCART H 0345 0201 0241 1505 1418 2x 3x 1625 2x 1417 2x 1735 1146 1945 1417 1936 N C N C N C 1940 1205 80x TUNER 1943 compair interface LOT 2x SCART 3x CINCH 3rd SCART 1491 1497 1491 I MAINS SWITCH PANEL E MAINS CORD MAINS SWITCH BLACK BLUE SPEAKER L BROWN BLACK SPEAKER R SSB PANEL 1940 11x CRT PANEL F AQUADAG DEGAUSSING COIL ROTATING COIL DEFLECTION COIL PANEL LSP LARGE SIGNAL PANEL...

Page 71: ...EMODULATOR B6 I O 3rd SCART H 3655 2 1 3656 3735 7651 MSP34XXX AUDIO DECODER ERR 14 ERR 18 CL 16532044_047 eps 060601 SDA SCL 3V3 INTOTC 30001 30002 91 92 7011 M24C32 NVM EEPROM 7006 LH28F160BV PROGRAM FLASH RAM ERR 1 5 6 1943 1 2 3 1000 1205 48 49 RESERVED ERR 6 7007 MSM51V18165F DRAM TXT 7012 M29W400BT Error Error codes Device Description Defective item Diagram 1 ST24E32 NVM 7011 B5 2 H fail pro...

Page 72: ...1 A40 B38 A26 B19 B10 F9 F7 SC3 F14 F12 F10 F13 F3 F8 B4 B49 B58 A6 B23 B33 B23 B34 A29 A56 A58 B37 B70 B21 B42 B43 B29 B27 B26 B55 B16 B57 B75 B74 B65 B30 A28 A46 A45 A1 A3 B67 B5 B44 B14 B28 B66 B60 A44 A42 A31 A62 A60 A48 A47 A2 A8 B15 B17 B18 B32 B22 B64 B31 B20 B72 F4 F5 F6 F1 B39 B2 B3 2 3 4 5 6 7 8 9 10 B C D E F G A 3 2 1 3 B A C B CRT SOCKET A C 2 1 B C D E F G 1 2 3 4 5 6 7 8 COLD HOT CO...

Page 73: ...28 E8 3529 E8 3530 E7 3531 E4 3532 E9 3533 F6 3534 F9 A2 44 3542 E6 3543 A6 3549 E7 3550 D3 3551 C2 3552 B4 3553 C4 4505 F5 5502 B3 5503 B2 5504 B2 5505 C5 BAS216 6516 RES 3507 D7 3508 A6 3509 B1 3510 E 7 3511 A6 3512 B6 3513 A6 3514 B5 3515 B5 3516 E 4 3517 E 5 3518 A4 2 GND STB 3504 2K2 TCET1103 G 7507 1 4 3 3553 10K 2544 STP 5NB60FP 2n2 7530 BC847B 3522 6K8 2K2 3552 2508 22n 2501 1n 15R 3533 47...

Page 74: ... 2150 A6 2152 B4 2153 E4 3101 C2 3102 D2 RES 1 5V 2108 B4 2110 D2 1 2V 2109 E7 E 1146 E10 2100 C5 2101 C2 2102 D1 2103 C1 2104 C6 2105 C1 2107 C6 A8 47 A8 48 A1 43 2141 1u A B C D E A B C D 5 2V 0 4V 0 1V 220R 3145 330R 3135 1K 3105 9109 1n 2116 GND SSP 2140 10u 2147 12n 7140 BC847B 3110 2R2 1u 2110 83R 5112 BZM55 C22 6104 GND STB 47R 3104 2K7 3141 6121 1N4148 4102 2145 47p 2m2 2119 BZM55 C12 6141...

Page 75: ...3 1430 A9 1491 D12 1492 E12 1 2 3 4 5 A B C 11V2 10V4 5V2 0V4 RES RES LINE RES 1491 TO 1417 OF COLD HOT COLD HOT COLD A1 A4 23 13V LOT EHT INFO 2423 E6 2424 D7 A8 20 A4 46 A6 A8 45 A8 3 A8 3 2460 1m GND SUP 2 1 5424 CU15 4 3 27n 2426 2418 470p 3423 6R8 9401 2419 470p 6434 BYD33J 3406 100R 1R 3461 3417 10R GND SUP 18u 5401 1m 2464 2492 100u 150R 3402 5411 560n 2450 100n 3498 6R8 3442 470K 2415 220p...

Page 76: ...1 E13 6493 F12 6494 F12 6499 F14 6615 E5 6616 C5 6617 B7 6618 A7 6619 C12 6620 A10 6621 A10 6622 B10 6623 B11 6624 C13 7440 A B3 COIL E W DRIVE RES 21V7 14V2 21V7 0V 1V9 0V4 0V6 7V8 0V4 0V2 0V 0V6 1V2 100n 2621 90R GND SUP 22K 3653 2493 3n3 A43 A44 A49 3656 1K2 GND SUP GND SUP 3486 6K8 3765 A35 A34 BC847B 3487 8K2 7486 BC847B 4K7 3466 GND SUP 3458 2K7 3637 10K 470R 1 2 2499 3n3 3485 330R 3635 2635...

Page 77: ...7K 3685 11V TILT 11V 11V 10K 3683 CL16532044_053 eps 290501 A52 A53 Large Signal Panel Headphone Amplifier 3 4 1 2 3 4 A8 34 A8 35 A8 38 A8 37 3773 C4 3772 C4 A B C D A B C D 2769 B3 2770 B1 2771 C4 2772 A4 2773 C2 2774 C1 2775 B1 2776 D2 3770 B2 3771 B3 3774 C4 3775 A3 3776 D2 3780 C1 3781 C2 3782 D2 3784 D3 6701 A3 6702 C2 7770 A B2 0V 7770 B B4 470n 2775 NJM4556AM 7770 A 19V4 0V HEADPHONE AMPLI...

Page 78: ...22 10K 3797 3738 8R2 10K 3701 3742 2753 220n 5707 220R 3709 56K A61 A63 68K 3735 56K 1n 2750 10K 3741 3723 2707 220n 2734 220n 100n 2724 2777 22n 100n 2754 1u 33u 5701 2757 7705 BC847B 1K 3792 2718 22p 100K 3718 3717 100K 4K7 3721 5710 5708 5709 47K 3715 2704 2758 470n 1n 3739 68K 56K 3708 2782 22n 3737 4K7 FEED1 7 FEED2 9 FEED3 17 FEED4 19 GND 13 IN1 10 IN2 18 NC 20 OSC 8 OUT1 3 OUT2 23 STBY MUTE...

Page 79: ... 4 SCL 5 SDA 4 5 TEDE9 1200 RESERVED EH B 1951 1 2 3 2942 100n 4907 2455 1n 10u 2200 3201 100R 9904 100R 3928 2202 220n 9907 4956 6202 220n 2944 100R 3261 2K7 3945 4959 3 2940 100u 1943 EH S 1 2 GND AUD 7911 L78L05 GND IN OUT 220n 2201 2915 10u 1201 N C 1 100R 3948 6 7 8 9 1936 1 10 11 2 3 4 5 1 2 3 4 5 A69 RESERVED EH B 1935 4955 BZM55 C33 6200 9903 3930 560R 100R 3942 c004 10u 2914 3939 10K 2203...

Page 80: ...0345 OF A8 27 A8 A11 A8 24 A8 24 3 1 2 3 MAINS NC 0V 3V3 2V 3V1 5V2 3V3 D E 1945 E3 1946 B2 1947 A2 3999 E1 8V2 B C D E A B C NC 0V 0V EH B 1946 1 2 3 4 5 6 7 8 9 3999 1K 5 1 2 3 1947 1 2 3 4 1949 PH B 1 2 9905 KEYBOARD ON OFF LED 5 2V RC ON OFF LED RC 5 2V KEYBOARD LIGHT SENSOR 8V RC CL16532044_057 eps 290501 Personal Notes www freeservicemanuals info ...

Page 81: ...3985 2992 330p 3979 75R 100p 2993 BZX284 C12 6960 150R 3959 3970 100R 6957 PDZ 6 8B 2998 100p 3967 75R 3962 150R 3976 100R 2990 330p 8K2 3981 1K 3995 150R 3997 150R 3964 3993 150R 1910 1911 3A 4A 5A 6A 7A 8A 9A 1A 10A 11A 12A 13A 14A 15A 16A 17A 18A 19A 2A 20A 21A 100R 3987 1901 A 150R 3990 330p 2995 3982 3K9 3961 150R 3960 3K9 3986 150R PDZ 6 8B 6955 3980 100R 3994 1K 6951 PDZ 6 8B 6961 PDZ 6 8B ...

Page 82: ... 3974 E10 3975 F10 3979 E10 3983 E10 3985 E10 3986 E10 3987 E10 3989 E10 3993 D10 3999 E1 4104 C2 5100 E2 5101 E2 5102 E2 5103 F3 5104 E3 5110 G3 5111 F2 5112 F2 5113 D2 5400 C5 5401 A7 5402 B8 5410 D9 5411 C8 5421 B7 5422 A6 5423 C7 5424 A6 5425 C6 5426 C8 5430 B10 5461 A10 5463 C9 5465 C8 5467 C6 5469 A9 5502 A4 5503 A3 5504 A3 5505 D4 5506 E5 5507 F4 5509 F5 5511 A4 5512 E4 5513 F5 5514 G4 5515...

Page 83: ...8 E4 3739 E4 3740 E4 3741 D5 3742 E4 3770 E4 3771 E4 3772 E4 3773 E4 3774 E4 3775 E4 3776 E4 3780 E5 3781 E4 3782 E4 3784 E4 3790 E5 3791 F5 3792 E5 3793 F5 3794 D4 3795 D4 3796 D4 3797 D4 3900 B10 3901 B10 3902 B10 3903 C10 3904 C10 3905 B10 3906 C10 3928 F1 3929 G1 3930 G1 3938 F1 3939 G1 3940 F1 3941 G1 3942 E3 3943 F2 3945 F2 3946 F2 3947 E2 3948 G2 3950 G2 3959 D1 3960 D1 3961 F1 3962 F1 3963...

Page 84: ...Electrical Diagrams and PWB s 53 EM3E 7 Layout LSP Bottom Side Part 1 CL 16532044_85a eps 190601 Part 1 www freeservicemanuals info ...

Page 85: ...54 EM3E 7 Electrical Diagrams and PWB s Layout LSP Bottom Side Part 2 CL 16532044_85b eps 190601 Part 2 www freeservicemanuals info ...

Page 86: ...Electrical Diagrams and PWB s 55 EM3E 7 Layout LSP Bottom Side Part 3 Part 3 CL 16532044_84c eps 190601 www freeservicemanuals info ...

Page 87: ...56 EM3E 7 Electrical Diagrams and PWB s Layout LSP Bottom Side Part 4 Part 4 CL 16532044_85d eps 190601 www freeservicemanuals info ...

Page 88: ...7 B4 69 F240 B4 72 B2 55 B4 84 B4 85 B4 70 B4 75 B2 59 B2 61 F232 B6 97 B6 115 F238 4959 G6 4960 G7 4961 G7 4962 G7 4963 G7 F279 F211 F210 B6 105 F209 F235 F234 F243 F202 B6 106 F212 B5 91 v50 B4 150 B5 61 n c n c B4 155 5909 F10 5910 F13 5911 F14 5912 F14 5913 F14 2910 100n 100n 2911 v49 v64 v29 4931 v30 4916 4964 2908 100n 5900 v36 4932 v20 100n 2909 4958 v19 v35 4955 4936 600R 5910 600R 5907 v3...

Page 89: ...5mA 3385 470R 15p 2359 10p 2428 F440 10p 100MHZ 5311 5310 100MHZ 2427 7 SYS1 11 SYS2 10 VCC 6 5 VDD Y CVBS1 12 Y CVBS2 3 Y CVBSO 14 7307 TDA9181 AGND 13 CIN 1 COUT 16 DGND 4 FSC 9 FSCSEL 8 INPSEL 2 OUTSEL 15 SC 3n3 2358 3415 10K 100n 2353 2357 100n 100n 2367 2422 100n 2352 100n 2385 100n 2423 12p 3 4 5 100MHZ 5309 10p 2426 1303 1 2 220R 3436 4K7 3414 5415 5405 6u8 B11 100n 2390 4326 7 8 1409 A OFW...

Page 90: ...IN0 DIN1 13 DIN10 4 DIN11 3 DIN2 12 DIN3 11 DIN4 10 DIN5 9 DIN6 8 DIN7 7 DIN8 6 5 DIN9 27p 2721 7714 MSM54V12222A 390R 3748 3725 1M 2794 100n 100n 2785 3704 1K 100n 2755 B20 B21 3717 4K7 100n 2703 3739 100R 4725 27p 2728 600R 5705 B24 3744 470R 2729 56p 1R 3709 YC6 116 YC7 115 YC8 114 YD0 101 YD1 102 YD2 103 YD3 104 YD4 105 YD5 106 YD6 107 YD7 108 YD8 109 75 YB0 74 YB1 73 YB2 72 YB3 71 YB4 70 YB5 ...

Page 91: ... 3312 22K 3364 BC857BW 7318 B48 c003 2392 470p B47 470p 2363 2379 1u 6370 MCL4148 33K 3373 220K 3374 BC847BW 7312 2386 220p 3338 22K 3388 10R PMBT2369 7313 470p 2399 100n 2398 5304 100MHZ PMBT2369 7315 4 5 6 7 10p 2344 1304 1 2 3 2347 10p 100MHZ 5303 10p 2348 10p 2346 2345 10p c200 2349 10p 4304 100MHZ 5307 MCL4148 6308 2301 100n 100R 3387 3339 6K8 3329 2K2 3459 3349 4K7 1n5 2319 4303 3386 22K 332...

Page 92: ...53 100R 100R 3046 B 4 5 100R 3056 A 1 8 B52 100R 3049 D 6 100n 2005 470R 3078 C 3 B61 3002 4K7 2 7 3056 B 100R 7013 BC847BW 100R 3046 D 6K8 3014 BC847BW 7009 100R 3048 A 1 8 27p 2002 5 3035 D 100R 4 2039 100n 3046 A 100R 100R 3056 C 3 6 4K7 3019 100n 2029 100R 3034 A 1 8 27K 3024 VSSA 21 VSSD1 76 VSSD2 102 VSSD3 39 VSSP1 50 VSSP2 112 VSSP3 84 VSYNC 70 WEn ROM_OEn 8 STN BLACK 11 TEST0 12 TEST1 13 T...

Page 93: ...513 A MCL4148 6658 6657 PDZ 2 7B 3526 1M5 3566 100R 3573 100R 3569 100R 100p 2589 5669 A A 100R 3656 3576 2K7 2501 47p 3655 100R 2652 47p 2512 220n A 1n 2583 RES 3553 BC847BW 7677 1K 3528 7678 B BC847BS 4523 4521 15n 2514 3521 47K 2510 10u 1R5 3644 4690 3520 47K 3570 100R 100R 3574 100R 3571 2666 100u 2611 1n 470p 2660 2663 470p RES 3650 5651 4604 10K 3519 2504 330n 2590 100p 3692 0R 3694 22K 4522...

Page 94: ...59 VSS G1 81 VSS G2 99 VSS K 143 VSS S 28 WE B 146 WE D 106 YA0 45 YA1 46 YA2 47 YA3 48 142 VSS 1 17 VSS 2 23 VSS 3 55 VSS 4 58 VSS 5 100 VSS 6 104 VSS 7 137 VSS A2 54 VSS AL 36 VSS B1 145 VSS B2 160 VSS C1 1 VSS C2 15 VSS CLK 80 VSS D2 95 UVG4 94 UVG5 93 UVG6 92 UVG7 91 VDD 1 18 VDD 2 22 VDD 3 56 VDD 4 57 VDD 5 101 VDD 6 103 VDD 7 138 VDD B 153 VDD D 113 VDD F 69 VDD G 90 VDD K 107 UVE0 130 UVE1 ...

Page 95: ...75 A3 3076 A3 3078 A2 3079 A3 3080 A3 3081 A3 3088 A2 3090 A3 3091 A2 3093 A1 3097 A3 3301 C2 3304 B3 3317 C2 3318 B2 3320 B2 3321 B2 3322 C3 3329 C3 3336 C3 3337 C3 3343 C3 3344 B3 3345 C3 3346 C3 3347 C3 3348 C3 3349 B2 3361 C2 3363 B2 3364 B3 3365 B3 3370 C2 3371 C2 3372 C2 3376 B2 3377 B2 3387 B2 3390 B2 3393 B2 3394 B2 3395 B3 3396 B2 3397 B2 3398 B2 3400 B2 3402 C2 3406 B1 3411 B1 3414 B1 34...

Page 96: ...Electrical Diagrams and PWB s 65 EM3E 7 SSB LOT Side Part 1 B27 www freeservicemanuals info ...

Page 97: ...66 EM3E 7 Electrical Diagrams and PWB s SSB LOT Side Part 2 B27 www freeservicemanuals info ...

Page 98: ...Electrical Diagrams and PWB s 67 EM3E 7 SSB LOT Side Part 3 B3 B5 www freeservicemanuals info ...

Page 99: ...68 EM3E 7 Electrical Diagrams and PWB s SSB LOT Side Part 4 CL16532044_83a eps 180601 www freeservicemanuals info ...

Page 100: ...3 3384 B3 3385 B3 3386 C2 3388 C2 3391 C3 3399 C2 3415 B3 3416 C4 3419 B4 3435 B4 3436 B4 3439 B4 3441 B3 3445 B4 3446 C3 3450 C4 3451 C4 3452 C4 3453 B2 3454 B2 3455 B2 3459 C2 3521 C1 3522 C1 3532 B1 3533 B1 3540 B1 3544 B1 3545 B1 3546 B1 3547 B1 3550 B1 3551 B2 3556 C1 3557 C1 3558 C1 3559 C1 3561 C1 3563 C1 3564 C1 3565 C1 3566 C1 3567 C1 3568 C1 3569 C1 3570 C1 3571 C1 3572 C1 3573 C1 3574 C...

Page 101: ...70 EM3E 7 Electrical Diagrams and PWB s SSB Tuner Side Part 1 B25 B31 www freeservicemanuals info ...

Page 102: ...Electrical Diagrams and PWB s 71 EM3E 7 SSB Tuner Side Part 2 B57 B31 www freeservicemanuals info ...

Page 103: ...72 EM3E 7 Electrical Diagrams and PWB s SSB Tuner Side Part 3 B39 B7 7 B31 www freeservicemanuals info ...

Page 104: ...Electrical Diagrams and PWB s 73 EM3E 7 SSB Tuner Side Part 4 B39 B22 B49 B12 B38 B31 CL16532044_82a eps 180601 www freeservicemanuals info ...

Page 105: ...OR AC LIGHT 6071 C1 7050 D1 7070 A E1 7070 B F3 4004 8 4 7070 B LM358N 5 6 7 3074 4K7 7050 2070 220n 3076 6K8 6055 RES RES RES RES RES RES RES RES 0201 1 2 3 GND 1050 M1 4 5 M2 1 OUT 2 VS 3078 1K BPW46 0245 E1 10K 3077 4001 6052 1 3 3084 1K5 2051 100u 2071 10u 3M3 3066 3063 470R 3051 4002 3070 330K 7 8 9 3064 0241 1 2 3 4 5 6 E2 E3 0202 1 2 3054 560R 0240 1 2 4000 3K3 3079 3082 1K5 330R 3050 4K7 3...

Page 106: ...1 C1 3072 C1 3073 C1 3074 C1 3075 C1 3076 B1 3078 C1 3079 C1 3081 B1 3082 B1 3083 B1 3084 B1 3085 B1 4000 C1 4001 B1 4002 A1 4003 B1 4004 B1 4005 A1 4006 B1 4007 B1 6053 C1 3081 3051 3076 3055 3085 3082 3054 3083 3061 4005 4001 4000 4003 4006 3050 4004 3073 3079 3075 3084 3074 3078 3070 4002 4007 6053 3072 3071 2070 3077 Personal Notes www freeservicemanuals info ...

Page 107: ... 83V 41V 0V 0V 0V 0V 0V 3V 3V COIL FROM LOT EHT INFO TO FROM G CRT FROM TO 200V 311V 0V 0V 1599 CRT PANEL R FOCUSA B Filament Pulses 8V 0V 0V 0V 6V 0V7 136V 136V 134V 5V7 220V 3V 3V 3V 1434 H13 1435 D9 1483 B10 1940 D1 2300 A7 220V 136V 136V 41V 0V 0V5 F15 220R 3325 TUNER and 0V7 3V 560p 2330 470n 2410 F12 2324 1298 B G1 5 8V 3356 1K 8V 68p 2322 RES 3336 560R GND_SSB GND_RGB 3301 10K BCP56 7303 23...

Page 108: ...601 3310 3356 4405 3357 2315 4301 2318 2334 3360 3325 4406 3413 2412 3411 3412 2307 2309 2330 4400 4401 2408 3324 3306 3318 3355 3304 7303 3316 3414 2332 2333 3337 6310 2320 3354 3336 2323 2322 3335 2321 3358 3359 2411 7308 2409 7304 3303 7300 6300 3999 3311 2306 2325 2420 3312 7301 3308 3319 2410 3410 6301 3302 7302 4402 3307 2302 2302 C3 2306 C3 2307 C2 2309 C2 2315 B1 2318 A1 2320 A2 2321 A1 23...

Page 109: ...2430 B3 2431 B4 2493 B2 1 2 4 3 9493 5493 CU15 68n 2493 BY228 20 6431 BYD33V 6433 2431 470p 6432 BYD33V 470p 2430 6430 BY228 20 2 MP 400mA 1430 5430 1 2 317 1 318 CL16532044_068 eps 050601 Layout DC Shift Panel Top Side CL16532044_076 eps 300501 317 A3 318 A2 1430 A2 2430 A2 2431 A1 2493 A3 5430 A1 5493 A3 6430 A2 6431 A2 6432 A2 6433 A2 9493 A3 www freeservicemanuals info ...

Page 110: ...Electrical Diagrams and PWB s 79 EM3E 7 Personal Notes Personal Notes www freeservicemanuals info ...

Page 111: ...ND_AUD_SC 3521 100R 3512 100R 1501 GND GND 1n BZX284 C6V8 6502 2503 GND_AUD_SC GND_AUD_SC 3519 10K 4501 3999 1K GND_AUD 100R 3520 4 5 6 7 8 9 GND 1 10 11 12 13 14 15 16 17 18 19 2 20 21 3 1992 7503 BC847B GND 7507 BC847CW 10K 3510 GND GND GND_AUD 100K 3515 100K 3516 2501 100u GND_AUD 9 P5 10 P6 11 P7 12 SCL 14 SDA 15 VDD 16 VSS 8 GND_VID GND_AUD 7501 PCF8574T A0 1 A1 2 A2 3 INT_ 13 P0 4 P1 5 P2 6 ...

Page 112: ...3510 C2 3511 C1 3512 A2 3513 B2 3514 B2 3515 C2 3516 C1 3517 B2 3518 B2 3519 C1 3520 C1 3521 C1 3522 B2 3523 A2 3524 C1 3525 C1 3999 A2 4501 C1 4502 C2 4503 B2 4504 B1 4505 C1 4506 C1 4507 C2 6500 A1 6501 A1 6502 A1 6503 A1 6504 B1 6505 C1 6506 A2 6507 A1 7501 C1 7502 C2 7503 C1 7504 C2 7505 C2 7507 B1 2500 2509 2504 6501 3501 3507 6503 6506 3301 3512 2301 3505 2515 4503 3515 3500 3521 7504 7502 6...

Page 113: ...B3 3808 A8 3809 A6 3810 A7 3811 B6 3812 C7 3813 C6 3814 B7 3815 B6 3816 C7 3818 C1 3819 B2 3820 C2 3821 A3 3822 A3 3823 A3 3824 B3 3826 C4 3827 C4 3830 B4 3831 B5 3832 A5 3833 C5 3897 E2 3898 D5 3899 E5 2890 270p 2812 10n 1419 1 2 9800 3827 5K6 3830 47K 3814 100K 3 4 5 6 2803 330p S21975 5800 1 2 2818 1n 4M7 2820 100n CU15 5801 1 2 4 3 3811 2821 68n 2816 220p 2813 10u 3815 1K 3813 470K 3809 10R 38...

Page 114: ...24 B3 2825 B3 2890 A3 2891 A3 2892 A3 3808 C3 3809 B3 3810 B3 3811 B3 3812 C3 3813 C3 3814 B3 3815 B3 3816 C3 3897 A2 3898 A3 3899 A3 3998 B1 5800 A2 5801 A1 5810 B2 6810 C2 6812 B3 7810 B3 9800 B3 9803 A2 9804 A2 Layout VDAF 2nd Order S Panel Bottom Side 2818 B1 3818 B1 3819 A1 3820 A1 3821 A1 3822 A1 3823 B1 3824 B1 3826 B1 3827 B1 3830 B1 3831 B1 3832 B1 3833 B1 7818 B1 7820 B1 7821 B1 7822 C1 ...

Page 115: ...E OUT L C DETECT L GND GND 16 9 Y C FROM TO 1936 OF LSP SSP GND SIDE I O N C 6808 BZX284 C6V8 GND_AUD GNDB GND_AUD GNDB GND_AUD 2807 220n 3999 150R GND_AUD 6804 BZX284 C10 6801 BZX284 C6V8 6806 BZX284 C10 3810 680K 3849 3K3 1803 6805 BZX284 C10 2804 100p 1805 2834 10n GNDB 3809 3829 120R GNDB RES SDM EMG_S 4804 GNDB GNDB GNDB 3811 GNDB 3846 10K 1 2 39K YKB21 5101A 1327 1 2 3 4 5 7 8 GNDB 2803 680p...

Page 116: ... A1 1344 A1 1346 A1 1936 A1 2811 B1 2813 A1 3802 C1 3803 B1 3804 B1 2803 B1 2804 B1 2805 B1 2806 B1 2807 C1 2810 C1 2834 A1 2840 A1 2841 A1 3801 C1 3805 B1 3806 B1 3808 C1 3809 C1 3810 C1 3811 B1 3812 C1 3813 B1 3814 B1 3815 C1 3816 C1 3826 A1 3827 A1 3828 A1 3829 A1 3830 A1 3835 A1 3842 A1 3845 C1 3846 C1 3847 C1 3848 C1 3849 C1 3999 A1 4800 B1 4801 B1 4802 A1 4803 A1 4804 B1 5800 A1 6801 C1 6802...

Page 117: ...3 B2 3704 B1 3705 B1 3999 B4 1 2 0345 3999 1K 3705 2K 1K1 3704 200R 3702 3703 620R 2 1 3701 390R 1705 1704 2 1 2 1 1701 2 1 3 1703 2 1 1702 CL16532044_072 eps 070601 Layout Top Control Panel Top Side Layout Top Control Panel Bottom Side CL16532044_079 eps 010601 0345 A1 1701 A1 1702 A1 1703 A1 1704 A1 1705 A1 3701 A1 3702 A1 3703 A1 3704 A1 3705 A1 3999 A1 CL16532044_078 eps 010601 www freeservice...

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