Philips Mcm 9 Service Manual
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Page 31
7A-3 7A-3 VARICAP ALIGNMENT FM RF FM IF VCO AM IF AM RF 3) 108MHz 87.5MHz (65.81MHz) 87.5MHz(65.81MHz)87.5MHz(65.81MHz) 279kHz 153kHz 1602kHz 531kHz5130 check 5122 check 5123 check8V ±0.2V 4.3V ±0.5V (1.2V ±0.5V) 8V ±0.2V 1.1V ±0.4V 8V ±0.2V 1.1V ±0.4V 1494kHz 558kHz 560kHz 5102 1500kHz5103 198kHz1494kHz 558kHz 560kHz 1500kHz198kHz2106 5102 2106 3142 152kHz ±1kHz 1)98MHz 5112MAX FM 87.5 - 108MHz (65.81 - 74, 87.5 - 108MHz) LW 153 - 279kHz MW FM/MW/LW- version, 9kHz grid 531 - 1602kHz 1700kHz...
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MISCELLANEOUS ÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐ\ ÐÐ 1101 2422 015 19376 SOCKET 2P CLICKFIT USA only1102 4822 267 10283 SOCKET COAX, IEC 75½not USA1103 4822 265 31184 JST CONNECTOR 2 POLE 1120 4822 265 11515 FFC SOCKET, 8P CAPACITORS ÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐ\ ÐÐ 2101 © 4822 126 13692 47pF 1% 63V 2102 © 4822 126 13838 100nF 10% 50V not USA2103 © 5322 122 31647 1nF 10% 63V 2104 © 5322 122 32531 100pF 5% 50V 2105 © 4822 126 13838 100nF 10% 50V USA only 2106 2020...
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7B-17B-1 1 AM MixerAM Osc. AM IFIF1IF2 FM Det. AM Det. 37 33 RADIO IC TEA 5762 TUNER BOARD ECO 6 Systems Cenelec 10 18 11 14 39 15 24 rightAM/FM right leftleft stereo VCO 41 40 36 1932 44 25 Stereo Decoder AFC AFC + AFC - 44 AGC Pre- scaler Multi- plexer Charge pump Stabilizer CONTROLReference Oscillator 29 28 27 clockdata enable P1 P0 31 30 programmable output ports VLoop VLoop VLoop 2 65 FM Osc. C D 450kHz 450kHz 450kHz 20 75kHz VStab AV Stab BV Stab B V Stab A VStab B 10,7 MHz 10,7 MHz 35 9 Vdd...
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7B-27B-2 MIXER varicap FM FRONTEND GND PRE- SCALERMULTI- PLEXER VSTABAAM-IF MONO/ XTAL AGCCONTROL OSC AM DET AM OSC AGC VCC2AGC PUMPAM MIXER DECODER CHARGEFM IF1 FRONTENDAM VSTABB DETFMCONTROL FILTER AM IF AM DET STEREOSTEREO FM IF2 RIPPLEAGC STABILIZER AFC VDD CTRL AGC A B C D E F G H I 234567891011121314 123456 3157 6120 MW=HIGH FM 75 OHM PROGRAMMABLE OUTPUT PORTS FM-IF2 LWVERSION DETECTION FM-IF1 7 I 7 8 9 1011121314 A B C D E F G H from kHz 3170 BUFFER AMPLIFIER VCC 1 1 2 LEGEND* ... only assembled...
Page 35
7B-37B-3 98MHz Waverange Input frequency Input Tuned to Adjust Output Scope/Voltmeter VARICAP ALIGNMENT FM - VCO FM RF (channel separation) AM IF AM RF 3) 108MHz 87.5MHzcheck check8V ±1.2V 1.6V ±0.5V 8V ±0.2V 6.9V ±0.2V 1.1V ±0.4V 152kHz ±1kHz 1)98MHz 3142 198kHz 198kHz 51035111 FM 87.5 - 108MHz (50kHz grid) 1602kHz 531kHz5123 check MW 531 - 1602kHz (9kHz grid) 8V ±0.2V 1.1V ±0.4V 279kHz 153kHz5122 check LW 153 - 279kHz (3kHz grid) FM FM LW 558kHz558kHz1494kHz 5102 1494kHz 2106 MW...
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7B-47B-4Electrical Partslist ECO6 SYSTEMS-CENELEC MISCELLANEOUS ÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐ\ ÐÐ 1101 2422 015 19376 SOCKET CLICKFIT 2P USA only 1102 4822 267 10283 SOCKET COAX, IEC 75½not USA1103 4822 265 31184 JST CONNECTOR, 2 POLE 1110 2422 542 90071 FM FRONTEND 1120 4822 265 11515 FFC SOCKET, 8P CAPACITORS ÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐ\ ÐÐ 2102 © 4822 126 13838 100nF 10% 50V not USA2105 © 4822 126 13838 100nF 10% 50VUSA only2106 2020 800 00204 TRIMCAP....
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This assembly drawing shows a summary of all possible versions. For components used in a specific version see schematic diagram and respective parts list. 3139 113 3478 pt3 dd wk0247 12 12 AA 1204 A1 1220 A2 1221 A2 5220 A1 9250 A1 9251 A1 1204 1 21220 1 5220 92501221 1 9251 3139 118 55880...8239 210 91653 for...3478 pt3 dd wk0247 Note : Some values may varies, see respective parts list for correct value. 8-1 8-1 MAINS BOARD TABLE OF CONTENTS Brief introduction...
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This assembly drawing shows a summary of all possible versions. For components used in a specific version see schematic diagram and respective parts list.3139 113 3478 pt3 dd wk0247 8-28-2 MAINS BOARD - COMPONENT LAYOUT
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This assembly drawing shows a summary of all possible versions. For components used in a specific version see schematic diagram and respective parts list.3139 113 3478 pt3 dd wk0247 8-38-3 MAINS BOARD - CHIP LAYOUT
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T.F. 1204 T200mAA/2 8910 A B C D E FA B C D E F 0003 A10 1200 A7 1202 B4 1203 A9 T1A 25LIEC 12345678910 1234567 1221 9250 T4AL1205 A7 1206 A3 1207 B7 1208 B4 1209 E10 1210 C3 1212 D4 1222 A2 1223 A2 2200 A8 2201 B8 2202 B8 2203 C7 2204 C7 2205 C8 2206 D8 2207 D9 2208 E9 2209 E7 2210 E8 For /21,/37 /21 ONLY T1A 25LIECA 2213 C4 2215 A8 2216 A7 2217 A8 2218 F1 2219 F1 2220 E2 2221 E2 2222 F2 2223 F3 2224 E3 2225 F3 2226 F4 2227 F5 2228 E5 2229 D5 1220 NOT /21T3A15L UL /37 ONLY 2230 C4 2231 C4 2232 C5 3200...