Philips LX700/21S/22S/25S Service Manual Download Page 28

Page: 28 / 46

7-2

CIRCUIT DIAGRAM

BR901 A3
C901

C902

C903

C904

C905

C906

C907

C908

C909

C910

C911

C912

C913

C914

C915

C919

C920

C925

C926

C929

C930

C931

C932

C933

C938

C939

C940

C941

C945

C947

C948

C949

C950

C951

C952

C962

C963

C964

C965

C966

C967

C968

C969

C970

C971

C972

CN902 B2

CN907 B3
CN908 B3
D901

D902

D903

D904

D905

D906

D907

D908

D909

D910

F901

IC903

IC904

L901

L902

L903

Q903

Q904

Q910

Q912

Q913

R901

R902

R903

R904

R905

R906

R907

R908

R919

R920

R921

R922

R923

R924

R925

R928

R931

R932

R941

R942

R943

R945

R946

R947

R948

R949

R950

R951

R952

R953

RB904 B6
R947

XRB906D6
RL901 C3
RT901 A1
SN901 B4
T901

T902

T903

ZD1

ZD901 A4
ZD902 C4
ZD903 A6
ZD946 D4

For /22s /25s only

For /21s only

Summary of Contents for LX700/21S/22S/25S

Page 1: ... Key Power Switch Board 5 Source Phone 6ch in Board 6 Power Board 7 Main Board 8 Set Mechanical Exploded View Parts list 9 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...

Page 2: ...IATION Type Versions LX700D LX700D Features Board in used RDS function Grid Switch Line Cord Detachable Line Cord Fixed x x x By software x x x x x AC Voltage 110V 127V 220 240V AC Voltage 220V 240V 21S 22S 25S LX700D AC Voltage Selector x ...

Page 3: ... dB StereoSeparation FM26dB 1kHz Stereothreshold FM 23 5dB MISCELLANEOUS GENERAL SECTION PowerSupplyRating 220 240V 50Hz Power Consumption 160 W Dimensions w x h x d 435 mm x 58 mm x 362mm Weight 4 2kg IR REMOTE CONTROL EffectiveRange 8Meter NumberofKeys 45 Battery 1 5V AA x 2 SPEAKERS Front Speakers Surround speaker System 2 wayshielded Impedance ohm 8Ω Speaker drivers 3 woofer flat tw Dimensions...

Page 4: ... TER AUTO DISTORTION METER OSCIL LOSCOPE LOAD 4 OHM AM FM STEREO SIGNAL GENERATOR SIGNAL GENERATORAC DUT INPUT OUTPUT INPUT OUTPUT R L AC MILLIVOL TME TER AUTO DISTORTION METER OSCIL LOSCOPE LOAD 4 OHM DOLBY TEST METER SIGNAL GENERATORAC DUT INPUT OUTPUT INPUT OUTPUT AUX SECTION AC MILLIVOL TME TER AUTO DISTORTION METER OSCIL LOSCOPE LOAD 4 OHM DUT INPUT DVD TEST DISC R L C SRSLSW R L C SRSLSW MEA...

Page 5: ...t Disc 4822 395 10216 ESD Equipment Anti static table mat large 1200x650x1 25mm 4822 466 10953 anti static table mat small 600x650x1 25mm 4822 466 10958 Anti static wristband 4822 395 10223 Connectorbox 1MΩ 4822 395 11307 Extension cable to connect wristband to conn box 4822 320 11305 Connecting cable to connect table mat to conn box 4822 320 11306 Earth cable to Connect product to mat or box 4822...

Page 6: ...et apparaat Houd componenten en hulpmiddelen ook op ditzelfde potentiaal I AVVERTIMENTO Tutti IC e parecchi semi conduttori sono sensibili alle scariche statiche ESD La loro longevità potrebbe essere fortemente ridatta in caso di non osservazione della più grande cauzione alla loro manipolazione Durante le riparazioni occorre quindi essere collegato allo stesso potenziale che quello della massa de...

Page 7: ... RIBBON TWEETER H I FREOUENCY S S U U B B S S U U B B NEOD YMIUM RIBBON TWEETER HI FREOUENCY NEOD YMIUM RIBBON TWEETER HI FREOUENCY Before connecting the speakers Mount the speakers onto the mini speaker stands as shown in the illustration Remove the protective cover only after the connection and installation of speakers are completed Connect the supplied speaker system using the supplied speaker ...

Page 8: ...l components For listening to the playback from other audio visual devices through the Reveiver Connect the AUDIO IN TV AV or AUX jacks to the AUDIO OUT jacks on the TV VCR or other audio visual device AND OR Connect the DIGITAL IN OPTICAL or COAXIAL jack to the DIGITAL OUT jack on other audio visual device You will need to set the Receiver s digital input to the jack you connected to refer to Sys...

Page 9: ...ce at home refer to Connections Connecting the speakers You will have the feeling of being in the middle of the action because sound is coming from everywhere around you The subwoofer can enhance the bass performance of your system dramatically IMPORTANT Please sit at your usual listening position in order to set up the speaker balance correctly Placing the speakers To obtain the best surround eff...

Page 10: ...onnect to the digital inputs of an external audio equipment is active only when receiving input from DIGITAL IN Coaxial or Optical 2 WOOFER LINE OUT connect to an active subwoofer optional 3 SPEAKERS connect to the front center surround and subwoofer speakers 4 DVD SACD IN connect from the 6 channel output of a DVD or SACD player 5 AC POWER CORD connect to a standard AC outlet Caution Do not touch...

Page 11: ...ps s television volume level SLEEP to set the sleep auto off timer function DIM to select different brightness for the display screen MUTE to interrupt or resume sound reproduction NIGHT Dolby Digital mode only to optimise the dynamics of the sound output VOL to adjust the volume level Numeric Keypad 0 9 to enter the number of a preset radio station y to switch to standby mode Notes The following ...

Page 12: ...t on again then reduce the volume Sound from the left and right Check that the left and right speakers are not positioned in reverse order speaker is reversed Check the left and right speakers cables are not connected to the terminals in reverse order Considerable noise in radio Tune to the correct frequency broadcasts Connect the antenna Route all connection cables away from the antenna terminals...

Page 13: ...2 1 2 1 REPAIR INSTRUCTION ...

Page 14: ...2 2 2 2 REPAIR INSTRUCTION ...

Page 15: ...embly to free some catches before sliding it out towards the front 4 screws on the bottom 1 screw A on the inside as indicated in Figure 1 1 screw each on the left right side 3 1 Dismantling of the PowerBoard 1 Loosen 4 screws d on the top of power board as shown in figure 3 D C Figure 1 Dismantling of the Main Board 1 Loosen 6 screws B on the top of main board as shown in figure1 2 Loosen 9 screw...

Page 16: ...3 2 SERVICE POSITIONS Service position A Service position B 3 2 ...

Page 17: ...4 1 BLOCK DIAGRAM 4 1 ...

Page 18: ...WIRING DIAGRAM 4 2 4 2 ...

Page 19: ... 9 11 9 11 12 12 8 W 4 4 4 DATA BUS 8 8 8 8 8 8 8 ALU STATUS FROM W CLKOUT 8 9 6 5 5 7 OSC1 OSC2 MCLR LITERALS PC DISABLE 2 RA 3 0 RB 7 0 RC 7 0 28 Pin Devices Only DIRECT RAM ADDRESS Serial Data interface LED Driver OSC Timming Generator Segment Driver Grid Driver Key Scan Output Dimming Circuit Grid Driver Control Genaral Input Register Key Matrix Memory Genaral Input Register SG1 KS1 SG2 KS2 SG...

Page 20: ...P202 A5 IC251 A2 IC501 C5 IC502 C5 IC981 D2 JK501 D6 LD201 C1 Q204 C3 R1 D1 R2 D1 R3 D1 R201 A1 R202 A1 R203 A1 R204 B1 R205 B1 R206 B1 R213 A1 R214 A2 R216 C3 R228 B1 R229 B1 R230 B1 R231 C1 R232 D4 R241 A1 R242 D3 R244 C3 R245 C3 R246 C3 R247 D4 R255 D3 R501 D4 R503 C5 R504 C5 R505 C5 R506 B5 R984 D2 R987 D1 R988 C1 R989 D2 R991 D2 R992 D2 R993 D2 R994 D2 R995 D3 RB201 D3 RB202 D3 RB501 D6 RB200...

Page 21: ...C205 A2 C207 A3 C208 A3 C209 A3 C213 B5 CN2002 B3 D201 A4 D202 A4 D204 B2 D985 A1 DP201 A5 DP202 A3 IC981 B2 TA204 B6 TA206 B6 TA207 B6 TA209 A3 TA210 B5 XL981 A2 ZD201 A1 C502 B6 C506 B5 C507 B5 C508 B5 C509 A5 C992 B5 C993 A5 C994 A5 IC251 B3 IC501 A6 IC502 A5 Q204 B2 R1 A4 R2 B4 R3 B4 R201 B4 R202 B4 R203 A4 R213 A5 R214 B2 R216 A2 R228 A3 R229 A2 R230 A2 R231 A2 R232 B5 R244 B2 R245 B2 R246 A2...

Page 22: ... 4822 276 13648 TACT SWITCH TA206 4822 276 13648 TACT SWITCH TA207 4822 276 13648 TACT SWITCH TA209 4822 276 13648 TACT SWITCH TA210 4822 276 13648 TACT SWITCH COILS FILTERS XL981 9965 000 17405 CRYSTAL 4 00000MHZ DIODES D201 4822 130 30621 1N4148 D202 4822 130 30621 1N4148 D204 4822 130 30621 1N4148 D985 4822 130 30621 1N4148 ZD201 4822 130 34233 BZX79 B5V1 IC TRANSISTORS IC251 9965 000 12550 PT6...

Page 23: ...1 TABLE OF CONTENTS Source Phone Circuit Diagram 6 2 Source Phone PCB Layout 6 2 6 CH IN Circuit Diagram 6 3 6 CH IN PCB Layout 6 3 Electrical Parts List Source Phone 6CH IN 6 4 SOURCE PHONE 6 CH IN BOARD ...

Page 24: ...PCB 1 2 1 2 A B A B C1 B2 C214 A1 C215 A1 C217 A1 C218 A1 JK1 B2 JK501 B2 RB2002 B1 RB5001 A2 VL201 B1 VL202 B2 1 2 1 2 A B A B C214 A1 C215 A1 C217 A1 C218 A1 JK501 B1 RB2002 A1 RB5001 B2 VL201 A2 VL202 A2 PCB LAYOUT SOURCE PHONE PCB ...

Page 25: ...054 A1 R3055 A1 R3056 A1 R3057 A2 R3058 A1 R3059 A2 R3060 A2 R3061 A2 R3062 A2 R3063 A2 RB3002A A1 1 2 1 2 A B A B C3051 A2 C3052 A2 C3053 A1 C3054 A1 C3055 A1 C3056 A1 JK1 A A2 JK1 B A2 JK1 C A1 R3052 A2 R3053 A2 R3054 B2 R3055 B2 R3056 A2 R3057 A2 R3058 B1 R3059 B1 R3060 A1 R3061 A1 R3062 B1 R3063 B1 RB3002A B2 PCB LAYOUT 6 CH IN PCB ...

Page 26: ... RB2002 9965 000 17449 CON WIRE 5P 230MM RB5001 9965 000 17450 CON WIRE 4P 90MM VL201 9965 000 17451 ROTARY L20XF7MM P2 5MM VL202 9965 000 17451 ROTARY L20XF7MM P2 5MM ELECTRICAL PARTSLIST KEY POWER BOARD MISCELLANEOUS JK1 9965 000 17452 6P WHTX2 BLU REDX2 BLK RB3002 9965 000 17453 8P 250MM 2547 26X2P ...

Page 27: ...HALF FREQ CONTROLLED TURN ON GATE DRIVER CURRENT LIMIT COMPARATOR INTERNAL UV COMPARATOR INTERNAL SUPPLY 5 8 V 4 8 V SOURCE S S R Q DMAX STOP SOFT START CONTROL C LINE SENSE L EXTERNAL CURRENT LIMIT X FREQUENCY F 5 8 V 1 V IFB RE ZC VC LEADING EDGE BLANKING 8 1 HYSTERETIC THERMAL SHUTDOWN SHUNT REGULATOR ERROR AMPLIFIER DRAIN D ON OFF SOFT START DC MAX VBG DC MAX VBG VT 0 OV UV VI LIMIT CURRENT LI...

Page 28: ... C970 B6 C971 B6 C972 B5 CN902 B2 CN907 B3 CN908 B3 D901 B4 D902 B4 D903 C3 D904 C3 D905 A5 D906 B5 D907 A5 D908 B5 D909 B5 D910 B5 F901 A2 IC903 B3 IC904 C5 L901 A6 L902 B6 L903 A6 Q903 C5 Q904 A6 Q910 C3 Q912 D3 Q913 C4 R1 B5 R901 A3 R902 B3 R903 A3 R904 B4 R905 A4 R906 A4 R907 B4 R908 B4 R919 B5 R920 B5 R921 B5 R922 B5 R923 C5 R924 C5 R925 C5 R928 B6 R931 A5 R932 A6 R941 D3 R942 D3 R943 D4 R945...

Page 29: ...B2 D903 C2 D904 C2 D905 A4 D906 B4 D907 B3 D908 B3 D909 B3 D910 B3 F901 A1 IC903 B2 IC904 B3 JW903 C3 JW904 C3 JW905 C3 JW906 C3 JW907 C1 JW908 C4 JW909 C4 JW910 B3 JW911 C3 C5038 C5 L901 A4 L902 B4 L903 B4 L905 A4 P901 B1 P902 B2 P903 B1 P904 C2 P905 C3 P906 C4 Q903 B3 Q904 C4 Q910 C3 Q912 C3 Q913 C4 R1 C4 R901 B2 R902 B2 R903 A2 R904 B2 R905 A2 R906 A2 R907 B3 R908 B3 R919 C3 R920 C3 R921 B3 R92...

Page 30: ...965 000 17393 68K 2W 5 W KINK R906 9965 000 17393 68K 2W 5 W KINK RT901 9965 000 17394 5R 5A COILS FILTERS L901 9965 000 16693 6UH 10 5TS 6A L902 9965 000 16694 6UH 13 5TS 2UEW L903 9965 000 16694 6UH 13 5TS 2UEW T901 9965 000 17395 1 7A L1 86TS L2 86TS Note Only these parts mentioned in the list are DIODES normal service parts BR901 9965 000 14146 ZENER 6 4 6 7V 0 5W D901 4822 130 11044 BYV26D D9...

Page 31: ... IBIAS CONFIG PWRDN PWRDN FAULT TRI STATE TH_WAR TH_WAR 3 3V IN1B VDD VDD VSS VSS VCC SIGN VCC SIGN GND Reg GND Clean IN2A IN1B IN2A IN2B PROTECTIONS LOGIC REGULATORS 29 23 24 25 27 26 28 30 21 22 33 34 35 36 M2 M5 M4 17 16 OUT1A GND1A OUT1A VCC 1A 14 12 10 11 OUT1B GND1B OUT1B VCC 1B 13 L113 22 H L112 22 H C32 1 F V CC C108 470nF C33 1 F 7 M17 M15 M16 M14 8 9 OUT2A GND2A OUT2A VCC 2A 6 4 2 3 OUT2...

Page 32: ... DQ5 VssQ DQ6 DQ7 VDDQ DQML WE CAS RAS CS BA A10 A0 A1 A2 A3 VDD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 Vss DQ15 DQ14 VssQ DQ13 DQ12 VDDQ DQ11 DQ10 VssQ DQ9 DQ8 VDDQ NC DQMH CLK CKE NC A9 A8 A7 A6 A5 h Vss PIN ASSIGNMENT Top View 50 Pin TSOP 11 11 11 RAS REFRESH CONTROLLER 2 048 REFRESH COUNTER CA...

Page 33: ...TL Input Buffer 8 SDI_34 I Input I2S Serial Data Channels 3 4 5V Tolerant TTL Input Buffer 9 SDI_12 I Input I2S Serial Data Channels 1 2 5V Tolerant TTL Input Buffer 10 LRCKI I Inputs I2C Left Right Clock 5V Tolerant TTL Input Buffer 11 BICKI I Inputs I2C Serial Clock 5V Tolerant TTL Input Buffer 15 RESET I Global Reset 5V Tolerant TTL Schmitt Trigger Input Buffer 16 PLLB I PLL Bypass CMOS Input B...

Page 34: ...utput A 3 3V Capable TTL 2mA Output Buffer 42 OUT3_B O PWM Channel 3 Output B 3 3V Capable TTL 2mA Output Buffer 43 OUT3_A O PWM Channel 3 Output A 3 3V Capable TTL 2mA Output Buffer 47 OUT2_B O PWM Channel 2 Output B 3 3V Capable TTL 2mA Output Buffer 48 OUT2_A O PWM Channel 2 Output A 3 3V Capable TTL 2mA Output Buffer 49 OUT1_B O PWM Channel 1 Output B 3 3V Capable TTL 2mA Output Buffer 50 OUT1...

Page 35: ...0 CE DQ7 DQ6 DQ5 DQ4 DQ3 VDD WE A17 A14 A13 A8 A9 A11 OE A10 CE DQ7 DQ6 DQ5 DQ4 DQ3 PIN DESCRIPTION Symbol Pin Name Functions AMS 1 A0 Address Inputs To provide memory addresses During Sector Erase AMS A12 address lines will select the sector DQ7 DQ0 Data Input output To output data during Read cycles and receive input data during Write cycles Data is internally latched during a Write cycle The ou...

Page 36: ...2 B2 FB9003 B2 FB9004 B2 IC1002 B4 IC1004 A A4 IC1004 B A4 IC1004 F C2 IC1011 D4 IC1012 B2 IC1013 D2 IC1015 D2 ICIC3002 D1 IC9001 B1 IC9003 B2 IC9004 B2 JK302 C1 JK304 A D1 JK305 A D1 JK305 B D1 L1004 D2 L9031 A1 L9032 B1 Q1002 A4 Q3010 D1 Q3011 D1 Q3012 C1 Q9031 A1 Q9032 A1 Q9033 B1 Q9034 B2 R1 D1 R2 D1 R3 D1 R149 D3 R150 D3 R1003 C3 R1004 C3 R1005 C3 R1012 B4 R1013 A4 R1041 D3 R1042 D3 R1043 D3 ...

Page 37: ...6 R1020 A6 R1021 B6 R1022 B6 R1024 C6 R1025 D6 R1026 D6 R1027 D6 R1028 D6 R1029 D7 R1030 D7 R1061 B6 R1062 B6 R1078 B6 R1079 B6 R1081 C6 R1082 C6 R1083 C6 R1084 C6 R1085 C6 R1086 C6 RA1013 C6 RA1016 C6 RA1017 C6 RA1018 D6 RA1019 D6 RA1020 D6 RA1023 B6 T001 A8 T002 A8 T003 C8 T101 C8 T102 C8 T103 C8 T104 C8 T105 C8 TC001 A8 TC002 B8 VD001 A8 VD002 B8 XL151 A7 XL1001 D6 ZD1013 D7 ZD1014 D7 C001 A8 C...

Page 38: ...02 F2 D3001 F2 D3002 F1 D3003 F2 IC301 G1 IC302 G2 IC304 A F3 IC304 B F3 IC305 A E3 IC305 B F3 IC306 A F3 IC306 B F3 IC307 A G3 IC307 B G3 IC308 A G1 IC308 B G2 IC310 A H3 IC310 B H3 IC1009 E4 IC3001 E2 IC3004 G4 IC3005 H4 JK303 F1 JK304 B E1 JK304 C E1 L301 G1 L302 G1 L1009 E4 L1010 E4 L1012 E2 Q301 G2 Q302 G2 Q303 F2 Q304 F2 Q305 F2 Q306 F1 Q3001 F1 R6 G1 R7 G1 R301 G1 R302 G1 R303 G1 R304 G1 R3...

Page 39: ...5028 E8 C5029 E8 C5030 E8 C5031 G7 C5032 G6 C5033 G7 C5034 G6 C5035 E7 C5036 E7 C5037 E6 C5038 E7 C5039 F7 C5040 F6 C5041 F6 C5042 F7 C5050 E7 C5051 F7 C5052 F8 C5053 F8 C5054 F8 C5055 F8 C5056 F8 C5064 H5 C5065 H5 C5067 H5 C5068 H5 C5069 H5 D501 E7 D502 E8 D503 E8 D504 E8 D505 E8 D506 E8 D507 E7 D508 E7 EC3 H7 EC4 H7 EC5 H7 EC6 G7 EC7 G7 EC8 F7 IC501 E7 IC502 F7 IC503 H6 IC551 A H5 IC551 B H6 IC1...

Page 40: ...8 10 8 10 PCB LAYOUT COMPONENT VIEW 1 A B C D A B C D 2 3 4 1 2 3 4 ...

Page 41: ...IC1003 C5 IC1004 B5 IC1007 C6 IC1008 C4 IC1009 B5 IC1011 C6 IC1012 C5 IC1013 B6 IC1015 B5 IC3001 A2 IC3002 B2 ICIC3002 B1 IC3004 B3 IC3005 B3 IC3006 B3 IC3007 B3 IC3008 B4 IC3009 C3 IC9001 D4 IC9003 C4 IC9004 C4 JK001 A1 JK002 A1 JK302 A1 JK303 C1 JK304 B1 JK305 B1 JK501 D1 L102 A3 L103 A2 L104 A2 L151 A4 L153 A4 L154 A4 L301 A6 L302 A6 L403 C3 L404 C3 L500 B1 L501 B2 L502 C1 L503 C1 L504 D1 L507 ...

Page 42: ...C2 C1059 C2 C1060 C2 C1061 C2 C1073 D1 C1075 C3 C1076 D1 C1077 D1 C1078 D1 C1079 D1 C1080 B2 C1083 C2 C1084 C2 C1100 B1 C1102 B1 C1104 B1 C1110 B2 C1112 B1 C1116 B2 C1131 B2 C1133 B2 C1135 B2 C3060 B4 C3068 B4 C3072 B4 C4006 C4 C4052 C4 C5031 D5 C9040 A3 EC1 D6 EC3 D6 EC4 D6 EC5 D6 EC7 C6 EC8 C6 EC9 D6 IC101 A5 R9 D2 R10 A3 R001 A6 R101 A6 R139 A6 R154 A3 R323 B6 R324 B6 R559 D3 R560 D3 R561 D3 R5...

Page 43: ...8 13 8 13 PCB LAYOUT COPPERSIDE VIEW 1 2 3 4 5 6 1 2 3 4 5 6 A B C D A B C D ...

Page 44: ... 1 10W 5 T002 9965 000 15874 ANT OSC AM 4 6 10T 1 3 86T VR102 4822 051 20392 3K90 5 0 1W T003 9965 000 17370 108UH 796 KHZ COIL T101 9965 000 15877 BIAS COIL 78 KHZ COILS FILTERS T102 9965 000 15875 AM IFT 455KHZ Q 130 T103 9965 000 15878 BIAS COIL 16 KHZ CF101 9965 000 17368 10 7 MHZ T104 9965 000 15878 BIAS COIL 16 KHZ ELECTRICAL PARTSLIST MAIN BOARD COILS FILTERS IC TRANSISTORS T105 9965 000 15...

Page 45: ...9 1 9 1 EXPLODED DRAWING LX700 22S 25S ONLY LX700 33S 35S ONLY LX700 21S 39S ONLY ...

Page 46: ...965 000 17355 SPACER 14 9965 000 17337 SURROUND KEY 15 9965 000 12424 PHILIPS LOGO 16 9965 000 17342 POWER KEY COVER 17 9965 000 17341 POWER KEY 18 9965 000 17345 LED LENS 21 9965 000 17353 AC SOCKET 19 9965 000 15983 MAINS CORD 21S 22S 9965 000 17457 MAINS CORD 25S 20 9965 000 12441 FM JACK HOLDER 22 9965 000 16339 VOLTAGE SELECTOR 21S 9965 000 17348 REMOTE CONTROL 9965 000 17350 IFU 9965 000 173...

Search results

Summary of Contents for LX700/21S/22S/25S

Reviews:

Related manuals for LX700/21S/22S/25S

Brands by name

Popular brands

Philips LX700/21S/22S/25S, Service Manual

Search results

Summary of Contents for LX700/21S/22S/25S

Reviews:

Related manuals for LX700/21S/22S/25S

Brands by name

Popular brands