Philips MX2600/77/78 Service Manual Download Page 9 | Manualshive

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REPAIR INSTRUCTIONS (2 of 2)

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Summary of Contents for MX2600/77/78

Page 1: ... 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 KC ET0430 Service Audio Printed in The Netherlands Subject to modification GB ServiceManual 3139 785 31910 VERSION 1 0 ...

Page 2: ...ol x Aux Input x Digital Output x Line Output x Progressive scan x Power supply 110 220 V x LOCATION OF PC BOARDS VERSION VARIATION Type Versions MX2600 Features Board in used MAIN PCB TUNER PCB PWR SW PCB CONTROL PCB POWER PCB VOL PCB PH PCB ...

Page 3: ...Video Format 4 3 16 9 Video S N 56 dB minimum Composite Video Output 1 0 Vp p 75 Ω S Video Output Y 1 0 Vp p 75 Ω C 0 286 Vp p 75 Ω Audio DAC 24 Bits 96 kHz Frequency Response 4 Hz 20 kHz 44 1 kHz 4 Hz 22 kHz 48 kHz Digital Output SPDIF Sony Philips digital interface Coaxial Dolby Digital IEC 60958 IEC 61937 1 3 MAIN UNIT Power Supply Rating 110 220 V 50 60Hz Power Consumption 110 W Dimensions w x...

Page 4: ...15kHz e g 7122 707 48001 LF Voltmeter e g PM2534 DUT S N and distortion meter e g Sound Technology ST1700B Frame aerial e g 7122 707 89001 Tuner AM MW LW To avoid atmospheric interference all AM measurements have to be carried out in a Faraday s cage Use a bandpass filter or at least a high pass filter with 250Hz to eliminate hum 50Hz 100Hz RF Generator e g PM5326 Ri 50Ω Bandpass 250Hz 15kHz e g 7...

Page 5: ...395 50456 Torx driver set T6 T20 4822 395 50145 Torx driver T10 extended 4822 395 50423 Compact Disc SBC426 426A Test disc 5 5A 4822 397 30096 SBC442 Audio Burn in test disc 1kHz 4822 397 30155 SBC429 Audio Signals disc 4822 397 30184 Dolby Pro logic Test Disc 4822 395 10216 SERVICE AIDS ...

Page 6: ...ore returning set to customer perform a leakage current measurement test from all exposed metal parts to earth ground to assure no shock hazard exist The leakage current must not exceed 0 5mA CLASS 1 LASER PRODUCT 3122 110 03420 GB Warning Invisible laser radiation when open Avoid direct exposure to beam S Varning Osynlig laserstrålning när apparaten är öppnad och spärren är urkopplad Betrakta ej ...

Page 7: ...duce heat Mix of lead free solder alloy parts with leaded solder alloy parts is possible but PHILIPS recommends strongly to avoid mixed solder alloy types leaded and lead free If one cannot avoid or does not know whether product is lead free clean carefully the solder joint from old solder alloy and re solder with new solder alloy SAC305 Use only original spare parts listed in the Service Manuals ...

Page 8: ...2 2 REPAIR INSTRUCTIONS 1 of 2 2 2 ...

Page 9: ...2 3 REPAIR INSTRUCTIONS 2 of 2 2 3 ...

Page 10: ...ray Cover as shown in Figure 3 and close the tray manually by pushing it back in 3 Loosen 9 screws and remove the Top Cover by lifting the rear portion upwards before sliding it out towards the rear 5 screws on the back 2 screws each on the left right side 4 Loosen 7 screws lift up the top edge of Front Panel assembly to free some catches before sliding it out towards the front 4 screws on the bot...

Page 11: ...eighbouring pc boards or metallic parts To prevent such short circuit use a piece of hard paper or other insulating material between them 3 2 Dismantling of the Main Tuner PCB 1 Loosen 10 screw D at the back panel as shown in figure 6 2 Loosen 4 screw E on the top of main board and loosen 2 screw on the bottom panel as shown in figure 7 Figure 6 Figure 7 E D E ...

Page 12: ...4 1 BLOCK DIAGRAM 4 1 ...

Page 13: ...4 2 WIRING DIAGRAM 4 2 LFM114720 0001 LFM114720 0001 ...

Page 14: ...8 NX 9G 8G 7G 6G 5G 4G 3G 2G 1G F2 F1 NP NP 36 37 38 39 40 41 42 43 44 45 NP 10G a b c d e f g h k p r s m n j 2G 10G Dp 1G 2G 3G 4G 5G 6G 7G 8G 9G 10G 1G P2 P1 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 10G 9G 8G 7G 6G 5G 4G 3G 2G 1G a b c d e f g h j k m p n r s a b c d e f g h j k m p n r s a b c d e f g h j k m p n r s a b c d e f g h j k m p n r s a b c d e f g h j k m p n r s a...

Page 15: ... D3 R2207 D3 R2208 D3 R2209 B5 R2210 D2 R2211 D2 R2212 D2 R2213 D2 R2214 E1 R2215 D1 R2217 D2 R2218 D4 R2219 C4 R2221 D5 R2222 C5 R2223 D6 R2224 D5 R2226 B5 R2227 B6 R2228 D5 R2231 D2 R2232 D2 R2233 D3 R2234 D3 R2235 D4 R2236 D3 R2237 D1 R2238 D1 R2239 D1 R2240 A2 R2241 A2 R2242 D1 R2243 D1 R2244 D1 R2245 A1 R2246 B1 R2247 B1 R2248 B1 R2249 B2 R2250 B2 R2251 B2 R2252 B2 R2253 E4 R2254 E5 R2255 E5 ...

Page 16: ... C2202 A4 C2206 B4 C2209 A2 C2212 A2 C2214 A1 C2215 A1 C2216 B3 C2218 B3 C2219 B3 C2220 B3 C2221 A4 C2222 A3 C2224 A3 C22051 B4 IC2201 B4 IC2202 B3 Q2201 A2 Q2202 B1 Q2203 B1 Q2204 B2 Q2205 A5 R2201 B4 R2202 B5 R2203 B5 R2204 B5 R2205 B5 R2207 A5 R2208 A4 R2209 B4 R2210 B4 R2211 A4 R2212 A4 R2213 A4 R2214 A4 SR2215 A4 R2216 A4 R2217 A4 R2218 A4 R2219 A2 R2221 B2 R2222 A2 R2223 A2 R2224 B2 R2226 A1...

Page 17: ...N 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 VOLTAGE PIN 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 VOLTAGE PIN 41 42 43 44 45 46 47 48 49 50 51 52 VOLTAGE PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 VOLTAGE 17 18 IC2202 TP6311 IC2201 HT480051 PIN 1 2 3 VOLTAGE Q2201 2SA733 5 5 0 5 5 0 PIN 1 2 3 VOLTAGE Q2204 2SC1623 5 5 0 5 5 0 PIN 1 2 3 VOLTAGE Q2202 2SA733 PIN 1 2 3 VOLT...

Page 18: ...damping the IF filter while adjusting the other one 3 For AM RF adjustments the original frame antenna has to be used max symmetric fo max symmetric fo f 30kHz VRF as low as possible 200P short circuit to block AFC 23 IC001 R220 100nF 24 IC001 450kHz Connect pin 29 of IC001 AM Osc with short wire to ground pin 6 AM AFC MW f 15kHz VRF 3mV Use Service Testprogram By selecting the TUNER TEST test fre...

Page 19: ...B4 C037 B3 C038 B4 C039 C4 C040 B3 C041 B3 C042 B4 C043 B4 C044 B3 C047 A1 C048 B1 C0501 A2 CN001 C4 CN002 B1 D001 A1 D002 A1 D003 A4 D004 C3 D005 B1 IC001 B3 IF001 A3 IF002 A3 IF003 C3 L02 B1 L001 A2 Q001 B3 Q002 B4 Q003 A2 R001 A1 R002 B1 R004 A2 R005 B2 R006 A1 R010 C1 R011 C1 R015 B2 R016 B4 R017 C2 R018 B3 R019 C3 R020 B4 R021 C4 R023 B4 R024 B2 R025 C3 R026 C3 R027 B3 R028 B4 R029 B4 R030 B4...

Page 20: ... B2 C030 B3 C035 A2 C047 A1 CN001 B3 CN002 A1 D001 A1 D002 A1 D003 B2 D004 B3 D005 A1 IC001 B2 IF001 B1 IF002 B2 IF003 A2 JWP2 B1 JWP3 A3 JWP4 A3 JWP5 B2 JWP6 B3 JWP7 B2 JWP8 A3 JWP9 B3 L02 A2 L001 B1 Q001 A3 Q002 B2 R018 B3 T001 B1 T002 B2 T003 B2 T005 A2 T006 A1 VC001 A1 VC002 A1 VD001 A2 VD002 A1 VD003 A1 VD004 A2 VR001 A3 XL1 B2 ...

Page 21: ... C016 A3 C020 B2 C021 A3 C022 A3 C023 A3 C023 A3 C026 A3 C029 A2 C031 A3 C032 A2 C033 B2 C034 B2 C036 A3 C037 A2 C038 B3 C039 A3 C040 B2 C041 B2 C042 B3 C043 B2 C044 B3 C048 A2 C050 A3 C052 A2 IC001 A2 Q003 B3 R001 A3 R002 A3 R004 B3 R005 A2 R006 A3 R007 B3 R010 A2 R011 A2 R015 A2 R016 B3 R017 A3 R019 B3 R020 A3 R021 A3 R023 B2 R024 A2 R025 A3 R026 A3 R027 B2 A B A B 3 2 1 3 2 1 ...

Page 22: ...40 VOLTAGE FM 1 94 10 9 9 13 1 26 1 92 0 01 0 19 0 52 0 2 0 01 0 01 1 43 0 75 1 43 0 7 1 43 0 62 1 35 1 02 1 34 VOLTAGE AM 1 94 10 9 9 13 1 2 1 88 0 01 0 19 0 52 0 2 0 01 0 01 1 43 1 44 1 47 1 42 1 47 1 32 1 35 1 41 1 37 PIN 41 42 43 44 VOLTAGE FM 1 35 0 01 0 75 0 15 VOLTAGE AM 1 35 0 01 0 75 0 43 IC001 TEA5757H PIN 1 2 3 PIN 1 2 3 PIN 1 2 3 VOLTAGE FM 0 01 0 66 0 01 VOLTAGE FM 0 07 0 03 1 3 VOLTA...

Page 23: ...NTENTS Explorer View DVD Loader 7 2 7 1 It is not recommended for component repair on this Module but to replace the major assembly when it becomes defective Therefore limited service parts list are published in this chapter ...

Page 24: ...Explorer view 7 2 22 7 5 21 6 21 3 10 11 19 13 18 14 4 2 8 23 9 17 20 12 15 1 16 ...

Page 25: ...NLD GND 21 20 19 18 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 VINPC OP2N OP2N VINSL OP2OUT FWD REV VCCL VOTR VOTR VOSL VOSL VOFC VOFC VCTL OP1OUT VCC2 VOLD VOLD VOTK VOTK 17 MUTE Shut down Thermal 25K 10K 10K 25K 25K 10K 10K 15K Pre DRV PGND Vcc1 Vcc2 Spindle Driver 4X Actiator Driver 6X Actiator Driver 6X Driver 4X Sled TRY DRIVER Vcc2 Vcc2 Vcc1 GND GND ...

Page 26: ...3 3 0 3 3 3 3 3 3 0 0 2 4 0 2 4 0 0 7 3 3 3 3 3 3 0 0 2 1 5 5 0 4 0 4 0 4 4 4 3 3 3 1 0 0 1 2 1 7 2 6 2 1 2 2 5 0 7 0 0 0 3 2 0 0 1 3 0 0 2 1 1 7 2 1 9 2 1 2 1 2 1 0 0 0 1 8 1 2 1 9 1 7 1 2 1 3 1 2 3 3 1 5 1 2 1 7 1 2 1 5 2 0 0 0 0 2 5 1 2 2 3 3 1 3 3 3 1 2 1 4 0 1 4 1 3 3 3 1 1 1 1 0 1 4 3 3 0 1 3 3 1 3 2 8 0 2 0 2 0 0 5 1 5 3 3 0 1 4 1 5 1 5 1 5 1 0 0 1 1 6 3 3 1 6 0 1 0 0 1 2 3 3 0 1 1 1 1 3 3 ...

Page 27: ...4 D513C4 D514C4 D515C4 D551D3 D905E1 D951D1 D954D2 D5001B3 D5002B3 FB5003C3 FB909D1 FB910D1 IC301A2 IC3201 AA1 IC3201 BB1 IC401 AA3 IC401 BA3 IC402 AA3 IC402 BA3 IC403 AB3 IC403 BA2 IC404 AE1 IC404 BE1 IC405B2 IC406 AA4 IC406 BA4 IC407 AC2 IC407 BC2 IC408 AC2 IC408 BC1 IC409 AC2 IC409 BC2 IC4201 AD2 IC4201 BD2 IC5001B3 IC501C4 IC502D4 IC503D4 IC902D4 IC903E4 JK401 AA1 JK401 BA1 JK401 CA4 JK501D4 J...

Page 28: ...026 D3 C2027 D3 C2028 D3 C2029 D3 C2030 D4 C2031 D4 C2032 D4 C2033 D4 C2034 D4 C2035 D4 C2038 D4 C2039 A2 C2040 A2 C2041 D4 C2355 D4 C2356 D5 C2357 D5 C2358 D5 CN801 A1 CN802 A1 CN803 B1 D801 A2 D802 A2 D803 B2 IC201 C5 IC202 C6 IC203 D6 IC204 D4 IC205 C3 IC206 C2 IC207 C2 IC208 C1 IC209 C1 IC210 C1 IC351 B6 IC801 A3 IC802 B2 JK801 A6 JK802 AA6 JK802 BA6 JK805 D1 L187 D2 L201 D4 L202 B5 L203 D1 L2...

Page 29: ...3 IC407 B2 IC408 C2 IC409 C2 IC501 C1 IC502 B1 IC503 B1 IC801 B6 IC802 A5 IC902 A1 IC903 A1 IC4201 C2 IC5001 B4 JK401 D3 JK501 C1 JK502 C2 JK801 D6 JK802 D4 JK805 D4 JMP1 A2 JMP2 A2 JMP3 B1 JMP4 A2 L957 A3 L2301 A4 L2302 A4 L2303 A4 L3308 C6 L5001 A4 L5002 A4 L5003 A4 Q201 C6 Q301 A4 Q401 C3 Q402 C4 Q403 C3 Q506 B2 Q507 A1 Q508 A1 Q801 A6 Q802 A5 Q803 A6 Q804 A5 Q805 A6 Q806 A6 Q903 A2 Q904 A3 Q95...

Page 30: ...204 C4 C3205 C4 C3206 C4 C3301 A4 C3302 A5 C3303 A5 C3304 A5 C3305 A5 C3306 A4 C3307 A4 C3308 A5 C4007 B2 C4009 C2 C4010 C3 C4206 C2 C4207 C2 C5009 A3 C5010 A3 C5011 B4 C5071 B2 C5073 C6 C5074 D4 C5075 A5 C5082 B5 C5083 D4 C5097 C5 C5098 C6 C5099 C4 C5103 D4 C5104 B4 C5105 B6 C5106 B4 C5107 C6 C5108 C4 C5109 C4 C5110 B4 C5112 A5 C5115 A3 C5118 A4 C5201 C6 C5202 B2 C5203 C6 C5204 C6 C5205 B5 C5206 ...

Page 31: ...POWER PH1 PH2 BOARD 9 1 ...

Page 32: ... C2 CN901 C1 CN901 C3 CN905 B1 CN905 B3 CN905 B4 CN909 A1 CN909 B3 CN911 C1 CN911 A4 CN912 C1 CN912 A4 D901 A2 D902 A2 D903 B2 D904 B2 D906 A2 D907 C2 D907 B2 D908 B2 D909 C1 D911 C2 DB901 A2 F901 A1 F902 A1 F903 B1 F904 C1 Q901 C2 Q902 C1 R906 C2 R909 C2 R910 C2 R911 B2 R912 C2 R913 C2 R915 B2 R922 B3 R933 B2 RB901 A4 RB904 B1 RL901 B1 T901 C1 T902 B4 TVR901 C1 ZD901 C3 CIRCUIT DIAGRAM POWER BOAR...

Page 33: ...C2 C931 C3 C932 C3 C933 B4 C934 B3 C935 B2 C938 A1 CN901 B4 CN905 C3 CN909 C1 CN911 A4 CN912 A4 D901 B1 D902 B1 D903 B1 D904 B1 D906 C2 D907 B2 D908 B2 D909 B2 D911 B2 DB901 B2 F901 C2 F902 C1 F903 C1 F904 B3 JK5001 C4 JMP1 C1 JMP2 B1 JMP3 A1 JMP4 A2 JMP5 B1 JMP6 B4 MP5001 C4 Q901 C3 Q902 B2 R906 B2 R909 B2 R910 C2 R911 C3 R912 C2 R913 B2 R915 C3 R922 C2 R933 C2 RB5001 C4 RB901 A1 RB904 C3 RL901 B...

Page 34: ...10 1 10 1 MECHANICAL EXPLODED VIEW ...

Page 35: ...965 000 27127 COND MYLAR 0 1 UF 100V 5 C549 9965 000 27127 COND MYLAR 0 1 UF 100V 5 C564 9965 000 27127 COND MYLAR 0 1 UF 100V 5 RESISTORS R903 9965 000 27085 FUSEABLE RES 1 1 4W 5 R904 9965 000 28738 FUSEABLE RES 4 7 1 4W 0 05 LF H R905 9965 000 28738 FUSEABLE RES 4 7 1 4W 0 05 LF H RA301 9940 000 00865 RES ARRAY 4X33R 1 10W 5 RA351 9940 000 00865 RES ARRAY 4X33R 1 10W 5 RA352 9940 000 00865 RES ...

Page 36: ...IN WM8772SEDS TSOP WOLFSO IC401 9965 000 15886 IC RC4558D IC402 9965 000 15886 IC RC4558D IC403 9965 000 15886 IC RC4558D IC404 9965 000 15886 IC RC4558D IC405 9965 000 26921 IC 42 PIN M62446AFP MITSUBISHI IC406 9965 000 15886 IC RC4558D IC407 9965 000 15886 IC RC4558D IC408 9965 000 15886 IC RC4558D IC409 9965 000 15886 IC RC4558D IC4201 9965 000 15886 IC RC4558D IC5001 9965 000 26923 IC 8 PIN AP...

Page 37: ...148 PB 1000PPM D003 9965 000 26949 DIODE SW 1N4148 PB 1000PPM D004 9965 000 26940 DIODE ZENR 11 9 12 4V 0 5W D005 9965 000 26949 DIODE SW 1N4148 PB 1000PPM VD001 9965 000 27006 DIODE TUNG FM TOSHIBA 1SV101 VD002 9965 000 27006 DIODE TUNG FM TOSHIBA 1SV101 VD003 9965 000 26965 DIODE TUNG AM TOSHIBA 1SV149B VD004 9965 000 26965 DIODE TUNG AM TOSHIBA 1SV149B TRANSISTORS INTREGATED CIRCUITS Q001 4822 ...

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