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Circuit Descriptions, List of Abbreviations, and IC Data Sheets

EN 49

L03.1U AA

9.10 IC Data Sheets

This section shows the internal block diagrams and pin layouts
of ICs that are drawn as "black boxes" in the electrical diagrams
(with the exception of "memory" and "logic" ICs).

9.10.1 Diagram A5, AN5829S (IC7841)

Figure 9-5 Internal Block Diagram and Pin Configuration

Unit : mm

24-Lead PANAFLAT Package (SO-24D)

Block Diagram

Vcc GND

Noise

Filter

Matrix

Input
VCA

SAP

Filter

Stereo

Filter

SAP

Demod

SAP

Det

Noise

Det

SAP Out

Filter

(L-R)/SAP

Switch

L-R

Demod

L-R

Filter

St. PLL

Pilot

Cancel

L+R

Demod

Pilot Det

L+R

Filter

75ms

De-Emph

Offset

Cancel

OUT SW

AGC

Wide Band

Expand

Spectral

Expand

dbx

De-Emph

, 2f

Trap Filter

Spectral

RMS Det

Spectral

Filter

Wide Band

RMS Det

Wide Band

Filter

DAC

Decoder

ZAP

Offset

Cancel

7.2

9.3

0.1

0.9

2.0

0.4

15.27

0.4

0.45

1.27

Test Circuit

4.7m

AN5829S

180k

0.022m

AGC

AUXL1

SPEC

FIL

0.33m

4.7m

2.2m

4.7m

10m
(Ta)

SW1

Vcc

3.3m

(Ta)

0.1m

4.7m

0.1m

0.047m

2.2k

Lout

4.7m

Rout

4.7m

AUXR1

OFFCAN1

OFFCAN2

TIME

VCC

DET

SPEC

TIME

SPEC

DET

NOISE

DET

SAP

DET

MPX

PILOT

DET

PLL

GND

SCL

SDA

Lout

Rout

AUXL2

AUXR2

* (Ta) tantalum capacitor

CL 36532044_040.eps

171203

Содержание 29PT5445/85

Страница 1: ... for Use 7 4 Mechanical Instructions 8 5 Service Modes Error Codes and Fault Finding 9 6 Block Diagrams Test Point Overviews and Waveforms Block Diagram 13 I2C and Supply Voltage Overview 14 Testpoint Overview Mono Carrier and CRT Panel 15 7 Circuit Diagrams and PWB Layouts Diagram PWB Mono Carrier Power Supply A1 16 26 31 Mono Carrier Deflection A2 17 26 31 Mono Carrier Tuner IF A3 18 26 31 ...

Страница 2: ...Stereo 2 x 3 W rms Mains voltage 90 132 V 10 Mains frequency 50 60 Hz 5 Ambient temperature 5 to 45 C Minimum air pressure 60 kPa 600 mBar Maximum humidity 90 Power consumption 36 W 14 to 50 W 21 105 W 27 Standby Power consumption 3 W 1 2 Connections 1 2 2 Rear Connections Figure 1 2 Rear Connections Cinch AV Out Ye Video 1 Vpp 75 ohm kq Wh Audio L 0 5 Vrms 1 kohm kq Rd Audio R 0 5 Vrms 1 kohm kq ...

Страница 3: ...e 1 3 Chassis overview B1 MAIN CHASSIS PANEL A1 E A2 A3 A4 A8 POWER SUPPLY TOP CONTROL PANEL LINE DEFLECTION A5 AUDIO AMP MONO SOUND PROC TUNER IF VIDEO PROCESSING FRONT I O FRONT CONTROL HEADPHONE AUDIO PROCESSING STEREO SAP REAR I O CINCH DVD POWER SUPPLY A9 CL 36532044_021 eps 020603 CRT PANEL A6 A7 ...

Страница 4: ...s advised to prevent bad connections due to metal fatigue in solder connections and is therefore only necessary for television sets more than two years old Route the wire trees and EHT cable correctly and secure them with the mounted cable clamps Check the insulation of the Mains AC Power lead for external damage Check the strain relief of the Mains AC Power cord for 1 Perform the general repair i...

Страница 5: ...s removed from a PWB the solder balls of the component are deformed drastically so the removed LF BGA has to be discarded Device Removal As is the case with any component that is being removed it is essential when removing an LF BGA that the board tracks solder lands or surrounding components are not damaged To remove an LF BGA the board must be uniformly heated to a temperature close to the reflo...

Страница 6: ...fication In September 2003 Philips CE introduced a change in the way the serial number or production number see Figure 2 2 is composed From this date on the third digit in the serial number example AG2B0335000001 indicates the number of the alternative BOM Bill of Materials used for producing the specific model of TV set It is possible that the same TV model on the market is produced with e g two ...

Страница 7: ...Directions for Use EN 7 L03 1U AA 3 3 Directions for Use You can download this information from the following websites http www philips com support http www p4c philips com ...

Страница 8: ...e main panel by pushing the two center clips outward 1 At the same time pull the panel away from the CRT 2 3 If necessary disconnect the degaussing coil by removing the cable from red connector 0212 4 Move the panel somewhat to the left and flip it 90 degrees 3 with the components towards the CRT 4 3 Rear Cover Mounting Before you mount the rear cover perform the following checks 1 Check whether t...

Страница 9: ...edure Specifications Tuning frequency 61 25 MHz channel 3 for NTSC sets Nafta Color system NTSC M All picture settings at 50 brightness color contrast hue Bass treble and balance at 50 volume at 25 All service unfriendly modes if present are disabled like Sleep timer Child parental lock Blue mute Hotel hospitality mode Auto switch off when no IDENT video signal is received for 15 minutes Skip blan...

Страница 10: ...menu When you press the MENU button twice the set will switch to the normal user menus with the SDAM mode still active in the background To return to the SDAM menu press the OSD STATUS button When you press the MENU key in a submenu you will 2 Select the INSTALLATION sub menu 3 Select and change the SYSTEM setting until picture and sound are correct 4 Select the STORE menu item Picture too dark or...

Страница 11: ... and showing you examples e g Measure test point I7 and click on the correct oscillogram you see on the oscilloscope You can answer by clicking on a link e g text or a waveform picture that will bring you to the next step in the fault finding process By a combination of automatic diagnostics and an interactive question answer procedure ComPair will enable you to find most problems in a fast and ef...

Страница 12: ...nd sound The screen shows snow but OSD and other menus are okay Blinking LED procedure indicates error 11 so problem is expected in the tuner pos 1000 Check presence of supply voltages As Vlotaux 5V at pin 5 and 7 are okay VT_supply at pin 9 is missing Conclusion resistors 3449 3450 are defective ...

Страница 13: ... A4 A4 A3 A4 A2 BEAM LIMIT 3447 9 33 22 34 21 20 6446 8 5 4 6463 3445 3446 3475 VT_SUPPLY 6447 160V 12V FILAMENT 3448 3459 6452 6451 F446 6444 6466 3443 3444 FRAME OUT 6422 2423 6408 6407 2406 5401 3402 3403 7423 7422 3425 6423 Vaux Vaudio FILAMENT A2 EHT 0 H DRIVE Hflybk H DRIVE 2nd LOOP H SHIFT V DRVE GEOMETRY VIDEO INTERNAL EW GEOMETRY H V SYNC SEPERATOR H OSC PLL TO MPEG CARD optional TO DVD E...

Страница 14: ...605 7641 M24C04 EEPROM NVM 3604 3643 3642 6 5 3 2 11 WP 7 ERR 9 7200 B SET PROCESSOR PART OF VIDEO PROCESSOR TDA9370 ERR 6 SDA SCL SCL SDA 3602 3 3V 3644 3 3V 3601 3 3V 1000 TUNER UV1336 3003 3004 4 5 ERR 10 1 2 1003 3 AUDIO PROCESSING only for stereo sets A5 7821 AN5891K AUDIO PROC 3828 3827 13 14 ERR 4 7841 AN5829S AUDIO DECODER 3842 3843 41 19 ERR 4 SCL SDA FOR COMPAIR ONLY I2C BUS INTERCONNECT...

Страница 15: ... F303 2 3 1 CRT TRACK SIDE VIEW MONO CARRIER TRACK SIDE VIEW F003 200mV div AC 20µs div F308 50V div DC 20µs div F309 50V div DC 20µs div F310 50V div DC 20µs div F407 100V div DC 20µs div 7641 7493 6491 7494 F425 5V div AC 20µs div F446 2V div DC 20µs div F448 10V div DC 20µs div F449 50V div DC 20µs div F461 20V div DC 5ms div F481 0 5V div DC 20µs div F491 2V div DC 20µs div F492 2V div DC 20µm...

Страница 16: ...N 11NC 8239_125_0753 302V 303V HOT COLD RES 4V6 MAINS 20V 9516 9520 150u 400V NFR25 68R NFR25 47R NFR25 68R NFR25 47R 1W 0R18 1W 0R15 220u 200V 10n 10n 10n 1n5 2KV 1n5 2KV 14RF 6V8 820K 2520 220V AC 309V 317V 0V RES 9503 5502 RES JUMP 3504 Relay Cct RES 150 276 V SINGLE RANGE 2V6 7V7 T1 8AE 250V 4V9 RES JUMP 1M5 1M5 1M5 JUMP 9501 2523 20RF 9500 7521 3526 3523 3508 56R 56R 14 14 MEXICO 15RF 20 21 3...

Страница 17: ...470p 500V 0V6 0V9 JF0501 19276 0V RES 15RF 4R7 A4 120K 2424 33u LHL08 10n 1M JF0501 19255 47K 8K2 2K2 3R9 00511 33u 5402 14 Size 3646 3R3 13n 1K6V 13n 1K6V 560n 250V 2408 15n 3441 COIL A4 0V9 1V5 47K 150K 150K Tube 3447 3402 Region 0V3 TO PICTURE TUBE TO CRT PANEL 150K 3456 2K2 5V7 0V 3V3 NFR25H 2K2 20 15n 1K6V MAIN CHASSIS 11 NC 3139_123_5596 2R2 10K NFR25H 2K2 1n5 2KV LATAM COIL 4R7 LOT DEFLECTI...

Страница 18: ... D3 2004 D4 2005 C5 2006 C2 2007 C6 3001 C2 3002 C2 3003 D3 3004 D3 3005 B2 4000 D4 4001 E2 5001 D6 5002 B4 5003 B5 6001 C6 9002 B5 9282 B5 2005 220n TUNER 1 UV1336 1000 3002 22K 10u 2007 5 9002 OFWG1984M 1001 1 2 3 4 9282 2001 10n 5003 100R 3003 0285 0283 BZX79 C33 6001 4000 AGC 3 AS 10 11 IF 12 13 14 15 6 8 4 SCL 5 SDA 2 TU 7 VS 9 VTS 3001 4K7 10V 470u 2006 4001 3004 100R 22p 2003 5002 2004 22p ...

Страница 19: ...A4 A3 A5 A8 A4 1V3 1V4 6V3 1V9 0V 3V3 A2 A1 A4 A6 6V7 4n7 2V7 A6 A7 A4 2V7 4M5 FAMILY BOARD 11NC 3139_123_5595 8V 8V 2V3 8V 5V 3V2 A4 A2 3V6 A2 3V2 4V 0V 3V3 0V 3V8 3V3 5V 6V3 A2 Stereo 2V3 FOR ITV ONLY 3V8 0V8 3V4 1V9 3V8 3V9 A2 100p VIDEO PROCESSING A2 A4 A4 A8 A4 A4 Mono 9257 0V2 A2 2206 1V9 3V6 4V 2V6 2V7 RES NVM 3V4 1V5 2V4 1V9 1V1 0V 4V A2 3V4 3V3 A8 6V3 of CRT PANEL A4 A8 A3 A8 100R 3233 56...

Страница 20: ... 4842 A8 4V1 A8 A8 A4 A8 A4 A6 4V1 4V1 1u AN5829S A8 AUDIO PROCESSING STEREO SAP BTSC STEREO MAIN CHASSIS 11NC 3139_123_5596 4841 3V4 2V3 2V2 2V3 0V7 2V2 2V2 MONO JMP 4V1 2V1 2V7 2V2 2V2 0V6 5V 2V3 ITEM 4V1 1V1 4V1 0V5 A8 4845 10u A4 A4 4V1 2V2 3V3 1V 1u A6 3V 2V1 FAMILY BOARD 11NC 3139_123_5595 3V2 A4 RES 4V1 4V1 8V 2V2 3V5 3V2 2V2 2V2 RES 4V1 A4 JMP 4V1 3V3 JMP 16 TD 23 VCC 11 VD VREF 21 3841 18...

Страница 21: ... 1u RES 5V2 6V MAIN CHASSIS 11NC 3139_123_5596 11V8 5V2 16 ohm 7902 FAMILY BOARD 11NC 3139_123_5595 RES FOR ITV ONLY 2 X 1W AN7523N 13V5 6V AmpOutL_Pos 2 X 3W A7 RES RES RES RES A7 2 X 5W STEREO A4 8 ohm 5V2 A4 1V4 AmpOutR_Pos 2901 2948 100p 1u 2904 0246 1 2 3 4 5 2909 10u F907 9901 F901 1N4148 6565 3551 10K 0251 EH B 1 2 3 4 3K3 3902 F905 9902 CH1 2 CH1 4 CH1 IN 6 CH2 12 CH2 10 CH2 IN 8 GNDCH1 3 ...

Страница 22: ... 0232 1 LTL 10224WHCR 6691 RES V FAMILY BOARD 11 NC 3139_123_5595 A4 channel A6 A6 A6 ONLY FRONT CONTROL OF A6 MONO SET RES 0218 YES USA L RES RES FOR MTV volume TS FOR ITV ONLY OF A4 0R RES RES A4 R channel HEADPHONE POWER INTERF RES FRONT NO STEREO PANEL 0277 RES RES 1010 OF For Engg Purpose Only FRONT IO FRONT CONTROL HEADPHONE A7 A7 G_13933_007 eps 010506 3139 123 5596 5 RES FOR ITV ONLY TO MO...

Страница 23: ...WITH 9 3 P CINCH Y 1V8 For ITV Only To 1126 For ITV Only FOR ITV ONLY R RES For ITV Only To 1127 MAIN CHASSIS 11NC 3139_123_5596 For ITV Only FOR ITV ONLY RES V MONITOR OUTPUT RES A4 SET W O SVHS A5 A5 A5 RES A4 A5 A4 A4 A4 FOR ITV ONLY FOR 1185 FAMILY BOARD 11NC 3139_123_5595 For ITV Only OF RES OF FOR 1184 A5 For ITV Only A4 A4 A4 WITH To 1118 RES To 1117 To 1125 To SPLS Panel FOR SETS WITH AV1 ...

Страница 24: ...30P 220N JMP 68R 1K 150R 220K JMP 2113 22P 2122 JMP JMP JMP JMP JMP JMP JMP BC847B JMP JMP JMP JMP 470N 22P 330P 10U 330P 1N 22N 22N 22N 75R 100R 150R 47K 150R 100R 560R 1K 100R JMP 75R 100R 150R 47K 150R 47K 100R 560R 1K BZX79 C6V8 1U 1U 1U 22P 330P 330P 220N 10U 22P 22P 1U 1U 1U 22P 330P 330P 220N 1N 22N 22N JMP JMP 68R 1K 150R 220K 150R 220K 75R 100R 75R 100R 75R 4101 4104 4122 4123 4124 4126 4...

Страница 25: ...d DVD_Gnd 7 8 DVD_Gnd F566 1 2 7570 SI2306DS 3 100u 5571 2572 DVD_Gnd 25V 10u To MPEG Card 10u DVD POWER SUPPLY RES To DVD Engine MAIN CHASSIS 11 NC 3139_123_5596 FAMILY BOARD 11 NC 3139_123_5595 10u 10u 2573 220n DVD_Gnd DVD_Gnd DVD_Gnd DVD_Gnd 1572 1 2 3 4 5 6 L4978 7571 1 2 3 4 5 6 5574 F568 33K DVD_Gnd DVD_Gnd 3570 2581 470u 10V 10V 470u 2582 F567 3575 DVD_Gnd 2K7 4K7 47u 5572 16V 2579 1m0 257...

Страница 26: ...2 B4 3603 E4 3604 E4 3605 E4 3606 E4 3618 E4 3619 D4 3620 D4 3621 D4 3624 D4 3631 E4 3632 E4 3633 D3 3634 D3 3641 E4 3683 B1 3693 A1 3825 C4 3827 D4 3828 D4 3842 C5 3843 C5 3901 D3 3902 D3 3903 D3 3905 D3 3908 D3 3981 B1 3982 B1 5001 E5 5002 E6 5003 E5 5201 D5 5401 B5 5402 B5 5421 C5 5441 B5 5482 D5 5500 B2 5501 B2 5502 B2 5504 C4 5505 C5 5506 A4 5509 C3 5515 A3 5520 B4 5521 B4 5560 C4 5562 B4 556...

Страница 27: ... D1 3153 D1 3154 C1 3155 C1 3156 C1 3157 C1 3158 C1 3159 C1 3161 D1 3162 D1 3163 D1 3184 C5 3186 C5 3201 E2 3202 D2 3203 D2 3204 D2 3205 D2 3206 D2 3207 E2 3209 D2 3231 E2 3233 D1 3430 C1 3432 C2 3440 B2 3441 A1 3447 C2 3451 C2 3453 B4 3454 B4 3455 C2 3456 C4 3460 C2 3461 C1 3462 C1 3463 B1 3465 C1 3466 C1 3480 E2 3481 E2 3485 E2 3486 E2 3487 D2 3489 E2 3492 E4 3499 D2 3520 B3 3522 B4 3524 A3 3525...

Страница 28: ...EN 28 L03 1U AA 7 Circuit Diagrams and PWB Layouts Layout Mono Carrier Part 1 Bottom Side G_13933_011a eps 050506 Part 1 ...

Страница 29: ...Circuit Diagrams and PWB Layouts EN 29 L03 1U AA 7 Layout Mono Carrier Part 2 Bottom Side Part 2 G_13933_011b eps 050506 ...

Страница 30: ...EN 30 L03 1U AA 7 Circuit Diagrams and PWB Layouts Layout Mono Carrier Part 3 Bottom Side G_13933_011c eps 050506 Part 3 ...

Страница 31: ...Circuit Diagrams and PWB Layouts EN 31 L03 1U AA 7 Layout Mono Carrier Part 4 Bottom Side G_13933_011d eps 050506 Part 4 ...

Страница 32: ...306 99V 8V 98V 120V 17V CRT PANEL 171V 2V2 5V9 98V 3V6 Heater Pin 9 Pin 5 102V 3V Red GND Pin 1 Green Pin 9 18K 18K 18K 18K TO CRT SOCKET FOCUS FROM MAIN CHASSIS TO LOT 2V2 330R 390R 390R SM JUMP SM JUMP Heater Ground VG1 20V NOVEL SOC M NECK SOC N NECK SOC M NECK Pin 6 Pin 5 RES Red 1n 2KV 1n 2KV 2n2 2KV 18K 18K 18K 18K 18K SM JUMP SM JUMP SM JUMP SM JUMP Pin 1 12 VG1 3 GND_CRT VG2 Pin 3 Blue Reg...

Страница 33: ...3 A2 3318 A1 3319 A1 7308 A2 7310 A2 7312 A2 7313 A2 7314 A2 7315 A2 7316 A2 7317 A2 7318 A2 9300 A2 9302 A2 9303 A2 9304 A2 9314 A2 9315 A2 9316 A2 9317 A2 9318 A2 Layout CRT Panel Bottom Side G_13933_014 eps 010506 3139 123 5604 4 2300 A1 2301 A1 2302 A1 2318 A1 3302 A1 3303 A1 3306 A1 3307 A1 3311 A1 4300 A1 4301 A1 4302 A1 4303 A1 4304 A1 4305 A1 4306 A1 4307 A1 6301 A1 6307 A1 6313 A1 6316 A1...

Страница 34: ...71 B8 9162 D8 F150 C8 F151 B8 F154 F5 I169 E5 7 6 I175 F6 5 4 3 SG03 C7 SG04 D6 I165 B7 1 10 0250 B C5 H G E D 0255 E8 0250 C B5 F 8 9 2173 D6 2 1 2178 F6 0253 E8 0254 E5 2177 F6 F152 D7 I172 E7 I173 F5 I174 F5 9 8 7 11 12 0250 A D5 6 I166 C7 I167 D6 I168 E8 3 I J H C B J B A D A C G F E H G E D F I J 1810 B9 2171 C7 2172 D7 0252 C9 RES 1810 B3B EH A 1 2 F154 3149 I176 3148 I171 I172 22p 2175 I174...

Страница 35: ...1 0278 B1 1810 A1 2171 A1 2172 B1 2173 B1 2174 A1 2175 A1 2176 C1 2177 B1 2178 C1 2179 C1 3142 A1 3143 A1 3144 A1 3145 B1 3146 B1 3147 A1 3148 C1 3149 C1 6171 A1 9162 B1 3141 053 3115 2 G_13933_018 eps 050506 Layout Side AV Panel Bottom Side 3141 053 3115 2 G_13933_019 eps 050506 SG07 C1 SG02 B1 SG06 C1 SG03 B1 SG04 C1 ...

Страница 36: ...4 A3 3015 A3 3016 A3 1010 1 2 3 TO 0239 RES TOP CONTROL PANEL 3013 1013 V C C V 0R OF PLUG PLAY MENU 200R 3011 3010 1011 3014 200R 1012 3016 2K2 1K0 3015 3139 123 5716 1 CL 36532044_012 eps 130603 3139 123 5716 1 CL 36532044_013 eps 220503 1010 A2 1011 A2 1012 A1 1013 A1 1014 B1 Layout Top Control Panel Bottom Side 3139 123 5716 1 CL 36532044_014 eps 220503 3010 A1 3011 A1 3012 B2 3013 A1 3014 A1 ...

Страница 37: ...ss the MENU button twice to enter the normal user menu 7 In the normal user menu use the MENU UP DOWN keys to highlight the PICTURE sub menu if necessary 8 Press the MENU LEFT RIGHT keys to enter the PICTURE sub menu 9 Use the MENU UP DOWN keys to select CONTRAST Be sure to record the current value of CONTRAST 10 Use the MENU LEFT RIGHT keys to set the value of CONTRAST to 0 11 Use the MENU UP DOW...

Страница 38: ...n bytes are made press the MENU button to return to the top level SDAM menu This will save changes to the option byte settings 8 To ensure the option byte changes take effect Turn the television set off by using the POWER button on the remote control transmitter or the local keyboard Disconnect the television set from AC power for at least ten seconds Reconnect the television set to AC power Turn ...

Страница 39: ...not applicable Feature is enabled LATAM NAFTA 0 OBx5 LNA Auto Picture Booster is not available or not applicable Auto Picture Booster is available LATAM NAFTA 0 OBx6 FM_RADIO FM radio feature is disabled or not applicable FM radio feature is enabled LATAM NAFTA 0 OBx7 PHILIPS_TUNER ALPS MASCO compatible tuner is in use Philips compatible tuner is in use LATAM NAFTA 0 2 OBx0 HUE Hue Tint Level is d...

Страница 40: ...or not applicable for EU Child Lock and Lock Channel are enabled for EU LATAM NAFTA 1 OBx3 VCHIP LATAM NAFTA NAFTA TXT_1PG EU Feature is disabled Feature is enabled LATAM NAFTA 0 OBx4 WAKEUP_CLOCK Wake up clock feature is disabled or not applicable Wake up clock feature is enabled LATAM NAFTA 0 OBx5 SMART_CLOCK Smart Clock Using Teletext and Smart Clock Using PBS is disabled or not applicable Smar...

Страница 41: ...onnect the television set from AC power for at least ten seconds Reconnect the television set to AC power Turn the television set on by using the POWER button on the remote control transmitter or the local keyboard CL Cathode Drive Level Fixed value is 7 8 3 3 White Tone The values of the black cut off level can be adjusted in the 9 Place the color sensor of the meter in the middle of the screen 1...

Страница 42: ... television set on by using the POWER button on the remote control transmitter or the local keyboard The following alignments can be performed in the GEOMETRY sub menu Horizontal Alignments Horizontal Shift HSH Select Horizontal Shift to canter the picture on the screen Picture Width PW Aligns the width of the picture Vertical Alignments Vertical slope VSL Aligns the picture so the proportions 6 S...

Страница 43: ...ter or the local keyboard Disconnect the television set from AC power for at least ten seconds Reconnect the television set to AC power Turn the television set on by using the POWER button on the remote control transmitter or the local keyboard HSA High Separation Alignment 1 Activate SDAM by pressing the following key sequence on the remote control transmitter 0 6 2 5 9 6 directly followed by the...

Страница 44: ...the power supply the video processing microprocessor and the audio processing The standard architecture consists of a Main panel called family board a Picture Tube panel a Side I O panel and a Top Control panel The Main panel consists primarily of conventional components with some surface mounted devices in the audio and video processing part Figure 9 2 Bottom view family board The L03 can be divi...

Страница 45: ...us connected to pins 18 and 19 Internal or External audio pins 2 3 23 and 24 can also be selected by the source selection register For the selected audio source the AGC function can be applied The output is a fixed level output The volume control function is available via the power amplifier AN7522 23 The Stereo AVL function operates via the AGC control of IC AN5829S During channel change and sour...

Страница 46: ...is delivered to the secondary windings during the off time The MainSupply line is the reference voltage for the power supply It is sampled by resistors 3543 and 3544 and fed to the input of the regulator 7540 6540 This regulator drives the feedback optocoupler 7515 to set the feedback control voltage on pin 6 of 7520 The power supply in the set is on any time AC power is 9 8 2 User Interface The c...

Страница 47: ... voltage indication XPR X ray protection EVG Enable Vertical Guard NDF Output Vertical Guard BCF Black Current Failure I2C Protection To check whether all I2C IC s are functioning 9 9 Abbreviation List 2CS 2 Carrier or Channel Stereo ACI Automatic Channel Installation algorithm that installs TV sets directly from cable network by means of a predefined TXT page ADC Analogue to Digital Converter AFC...

Страница 48: ...rica and Japan Color carrier NTSC M N 3 579545 MHz NTSC 4 43 4 433619 MHz this is a VCR norm it is not transmitted off air NVM Non Volatile Memory IC containing TV related data e g alignments OB Option Bit OC Open Circuit OP Option Byte OSD On Screen Display PAL Phase Alternating Line Color system mainly used in West Europe color carrier 4 433619 MHz and South America color carrier PAL M 3 575612 ...

Страница 49: ...C7841 Block Diagram Vcc GND Noise Filter Matrix 9 Input VCA SAP Filter Stereo Filter SAP Demod SAP Det Noise Det SAPOut Filter L R SAP Switch L R Demod L R Filter St PLL Pilot Cancel L R Demod Pilot Det L R Filter 75m s De Emph Offset Cancel OUT SW AGC Wide Band Expand Spectral Expand dbx De Emph fH 2fH Trap Filter Spectral RMS Det Spectral Filter Wide Band RMS Det Wide Band Filter DAC I2C Decoder...

Страница 50: ...0 23794 SAW M1971M 1121 4822 267 10735 Connector 3p 1121 9965 000 30069 PIN BASE 1124 2422 025 12482 Connector 6p m 1124 9965 000 31198 CONNECTOR 1124 9965 000 34310 CON BMV 6P 1184 4822 267 10735 Connector 3p 1184 9965 000 30069 PIN BASE 1185 2422 025 12482 Connector 6p m 1185 9965 000 31198 CONNECTOR 1201 4822 242 81978 TPS4 5MB TF21 1201 9965 000 23325 Crystall 4 5MB 1302 9965 000 23828 SOCKET ...

Страница 51: ...50V 2540 3198 017 31530 15nF 20 50V 0603 2540 9965 000 27301 0 015µF 10 50V 2541 4822 126 13193 4 7nF 10 63V 2541 9965 000 27305 4700pF 10 50V 0603 2542 3198 017 44740 470nF 10V 0603 2542 9965 000 27228 470nF 80 20 16V 2543 5322 126 11578 1nF 10 50V 0603 2543 9965 000 20356 1000pF 10 50V 0603 2560 5322 122 32818 2 2nF 10 100V 2560 9965 000 27328 2200pF 10 50V 2560 9965 000 30713 2 2nF 10 50V 2561 ...

Страница 52: ...2297 68kΩ 5 0 5W 3410 9965 000 31684 Resistor fixed carbon 3422 4822 053 20334 330kΩ 5 0 25W 3422 4822 053 21334 330kΩ 5 0 5W 3422 9965 000 23746 330kΩ 0 25W 3422 9965 000 28464 330kΩ 1 2W 3424 4822 053 11479 47R00 5 2W 3424 9965 000 27278 47Ω 5 2W 3424 9965 000 34634 100Ω 5 2W 3425 4822 050 22201 220Ω 1 0 6W 3425 9965 000 15675 220Ω 5 1W 3426 4822 116 52195 47Ω 5 0 5W 3426 9965 000 12593 47Ω 5 0 ...

Страница 53: ...0603 3841 9965 000 27297 180kΩ 5 1 10W 0603 3842 4822 116 52175 100Ω 5 0 5W 3842 9965 000 14049 100Ω 5 0 16W 3843 4822 116 52175 100Ω 5 0 5W 3843 9965 000 14049 100Ω 5 0 16W 3901 4822 050 11002 1kΩ 1 0 4W 3901 9965 000 12519 1k 5 0 16W 3902 4822 116 52269 3 3kΩ 5 0 5W 3902 9965 000 31774 3 3kΩ 5 0 16W 3903 4822 116 52269 3 3kΩ 5 0 5W 3903 9965 000 31774 3 3kΩ 5 0 16W 3904 4822 051 30103 10kΩ 5 0 0...

Страница 54: ...11155 PDTC114ET 7580 5322 130 60159 BC846B 7601 3198 010 44010 PDTA114ET 7641 9322 147 25682 M24C16 WBN6 7641 9965 000 27875 EEPROM M24C16 7821 9322 191 49682 AN5891K 7841 9322 189 97668 IC SM AN5829S MATJ R 7901 9322 181 41682 AN7522N CRT Panel B Various 1300 4822 265 41114 Connector 9p 1301 2422 500 80077 Sct CRT V 9P 1302 2422 500 80076 Socket CRT 9p f 1302 9965 000 34283 CRT SOCKET 1302 9965 0...

Страница 55: ...xxxx xxx xxxx 1 information for 27V model added Manual xxxx xxx xxxx 2 Table of contents updated with links Some small text changes made Manual xxxx xxx xxxx 3 New models added Option Byte table updated Block Diagrams and Panel Layouts updated Some small text changes made Spare parts list added ...

Страница 56: ...Revision List EN 56 L03 1U AA 11 ...

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Philips 29PT5445/85, Руководство по обслуживанию

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