Philips MC-77 Service Manual Download Page 61

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11-7

OURCE

ELECTOR

ART

SCILLATOR &

RE-

MPLIFIER

ART

MPLIFIER

ART LEFT CHANNEL

MPLIFIER

ART RIGHT CHANNEL

UDIO

REQUENCY &

OGIC

ART

Inputs:

AUX
Tape
Tuner
CD

Source Selector IC + sound processing

Data generation for spectrum analyzer

Digital Out

Overvoltage protection for:

+AMP
-AMP
+5V6
+12V_A

Control Lines

Generation of following supplies:

+12V
+5V6
+5V_AMP
+5V6_AMP

Pre-Amp mute circuit

Adjustment of offset

Square wave Oscillator

Headphone Amplifier

Subwoofer out

Port Expander (shift register)

Generation of +5V_CD

Fan control

Modulator

Level shifter

Power FETs

Protection circuits

Modulator

Level shifter

Power FETs

Protection circuits

Speaker relay

Chapter 11-8

Signal flow

Chapter 11-10

Chapter 11-11

Chapter 11-12

Chapter 11-9

Power 2002 70W Class D
Combi Board Circuit Diagram Overview

P2002 Class D Drawing Overview 2002 04 05

Summary of Contents for MC-77

Page 1: ...lips 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 permission of Philips Table of Contents MC 77 21 21M 22 37 Front Display Board 6 Tuner Board 7 Front Control Board 8 STANDBY POWER PART 8 1 ...

Page 2: ... m d RF 50mV m 80 5 typ 3 IF rejection 35dB Image rejection 30dB Amplifier Output power 2 x 75W at 6Ω 2x70W FTC Headphone 2 5V at 100kΩ Frequency response 20Hz 20kHz 3dB Limit Equalizer Digital Sound Control Input sensitivity Aux Line 500mV 2dB Microphone 2 5mV 2dB at 1kHz CD unit Measured at the output of the 3DTC Module Frequency response within 20Hz 20kHz at 1dB Signal Noise ratio 80dB A weight...

Page 3: ...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 RF Generator e g PM5326 Ri 50Ω L R LEVEL METER e g Sennheiser UPM550 with FF filter S N and distortion meter e g Sound Technology ST1700B DUT CD Use Audio Signal Disc SBC429 4822 397 30184 replaces test disc 3 L R LEVEL METER e g Sennheiser UPM550 with FF ...

Page 4: ... which are identical with those specified be used Safety components are marked by the symbol i Le norme di sicurezza estigono che l apparecchio venga rimesso nelle condizioni originali e che siano utilizzati i pezzi di ricambiago identici a quelli specificati Componenty di sicurezza sono marcati con ñ Veiligheidsbepalingen vereisen dat het apparaat in zijn oorspronkeliijke toestand wordt teruggebr...

Page 5: ...in 1kHz signal at 30dB level without pause 4822 397 30155 SBC420 Test cassette Fe 4822 397 30071 SBC419 Test cassette CrO2 4822 397 30069 Service hints Handling chip components The demo mode displays various features of the set and will start automatically Press and hold DEMO STOP on the system until DEMO OFF OFF is displayed The system will switch to Standby mode Note Even if you remove the AC po...

Page 6: ...ARD CDC KEY BOARD KEY CONTROL KEYB 1 BOARD JOG VOLUME BOARD HEADPHONE BOARD LIGHTWASH BOARD C D M A I N B O A R D 3 D T C L O A D E R M E C H A N I C B O A R D Location of Printed Circuit Boards Attention Lightwash CDC key board standby board and headphone board are part of the Front Control Board For details see chapter 8 ...

Page 7: ...Internet site of Philips Customer Care Center www p4c philips com CD CD R CD RW COMPATIBLE OPEN STANDBY ON ECO POWER iR VOL AUX CDR PROG PRESET TAPE SEARCH TUNE TUNER DEMO STOP PAUSE PREV NEXT REC STOP PLAY BASS TREBLE PHONES 1 2 3 4 5 6 7 8 9 0 NEWS D C 3C H A N G E R CD 1 2 3 CD OPEN CLOSE CD 1 CD 2 CD 3 M I C R O S Y S T E M AUTO REVERSE CLASS D AMPLIFIER SYSTEM WOOX ADVANCED TECHNOLOGY SYSTEM ...

Page 8: ...tem only to delete the preset radio station for TAPE to stop playback or recording for DEMO on the system only to activate deactivate the demonstration for CLOCK to exit clock setting or cancel timer for PLUG PLAY on the system only to exit plug play mode PREV NEXT í ë PRESET 43 for CD to skip to the beginning of the current previous or next track for TUNER to select a preset radio station for TAP...

Page 9: ...ith digital input CD Recorder Digital Audio Tape DAT deck Digital to Analogue Converter and Digital Signal Processor for example Use a cinch cable to connect the DIGITAL OUT terminal to the digital input terminal of the equipment Inserting batteries into the remote control Insert two batteries Type R06 or AA into the remote control with the correct polarity as indicated by the and symbols inside t...

Page 10: ...2 6 Technical Remarks ...

Page 11: ... remove the 3DTC Module 2 screws on the front 1 screw each on the left right side 6 Loosen 3 screws E see figure 8 on the Panel Rear pos 256 uncatch 2 catches C3 to remove the Tuner Board Figure 3 1 Remove 2 screws B see figure 4 from the bottom of the Cabinet Front pos 101 2 Release the fixation of the Combi Board to Bracket Combi pos 252 by releasing 2 catches C2 and pulling the board outwards a...

Page 12: ...hown in figure 11 to remove it 3 Loosen 4 screws K mounting the Mains Transformer pos 5001 to remove the Mains Board Transformer assembly 4 Loosen 4 screws L to remove the Fan pos 267 Note During Fan replacement care should be taken to ensure that the following are correct fan blades direction fan wire position 1 Loosen 3 screws E and 2 catches C3 to remove the Tuner Board assembly Note Tuner Boar...

Page 13: ...pairs on Combi or Mains Board 3 Use Service position B for repairs on Tuner or 3DTC electronic 4 Use Service position C for repairs on the ETF8 Tape module Note The flex cables are very fragile care should be taken not to damage them during repair After repair be very sure that the flex cables are inserted properly into the flex sockets before encasing otherwise faults may occur 3 3 3 3 Service po...

Page 14: ...on see note 1 Figure 2 note 1 3CDC TAPE and wOOx Figure 1 Table 2 Error code E1000 E1001 E1002 E1003 E1005 E1006 E1007 E1008 E1020 E1031 E1061 E1071 E1079 Error Description Focus Error Triggered when the focus could not be found within a certain time when starting up the CD or when the focus is lost for a certain time during play Radial Error Triggered when the radial servo is off track for a cert...

Page 15: ...4 1 4 1 SET BLOCK DIAGRAM MC 77 dd wk0210 DIGITAL AMP 6Ω 70W ...

Page 16: ...AD 1136 1147 1131 FCT 1701 1 1 1135 1 HRT 1010 EHT EH TOP ENTRY 1 FCT 1100 1 FCT 1706 FCT 1014 1 FCT 1120 1 FFT 1202 FCT 1011 1 DM DIPMATE FCT FFC TOP ENTRY FCS FFC SIDE ENTRY 1 FCT 1106 LEGEND EHS EH SIDE ENTRY FCT 1012 1 1141 1138 FCT 1107 1 EHT 1901 EHT 1900 FCT 1026 FCS 1800 2P 180mm 220mm 2P 140mm 10P 220mm 7P 180mm AD 11P 180mm AD EHT 1102 1133 FCT 1300 19P 180mm AD 9P 100mm AD 8P 280mm AD F...

Page 17: ... p k b f m g c e r n d 2G a h j p k b f m g c e r n d P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 13G B1 B2 B3 B4 B5 B6 B7 B8 B6 B3 B2 B5 B10 B9 B8 B4 B1 B7 12G B11 13G B8 B6 B3 B2 B5 B4 B1 B7 11G B8 B6 B3 B2 B5 B4 B1 B7 S1 1G S2 S3 S4 Col Dp a n g m k p h e f c b r j d 2G 9G 4 4 F 2 PIN NO CONNECTION 3 1 P 9 3 2 P 10 3 3 P 11 3 4 P 12 3 5 P 13 3 6 P 14 3 7 P 15 3 8 P 16 4 2 4 3 F 2 3 9...

Page 18: ... 47K 2153 100p 3187 47R 100n 2120 3908 3900 10K 3118 10K 3171 1K 1K 1K 3176 3213 M24C02 7901 E0 1 E1 2 E2 3 SCL 6 SDA 5 VCC 8 4 VSS WC_ 7 3138 1K 3108 1M 72 73 74 75 76 77 78 79 8 80 9 58 59 6 60 61 62 63 64 65 66 67 68 69 7 70 71 43 44 45 46 47 48 49 5 50 51 52 53 54 55 56 57 29 3 30 31 32 33 34 35 36 37 38 39 4 40 41 42 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27 28 TMP88CU74F 7102 1 10 11 12 13...

Page 19: ...4 3177 C4 3178 C4 3179 C4 3180 C2 3181 C2 3183 B1 3184 B1 3189 A2 3190 A2 3191 A2 3192 A2 3193 A2 3194 A2 3195 A2 3196 B3 3197 B3 3198 B3 3199 B3 3207 B1 3208 B1 3209 B1 3210 A1 3211 A1 3212 A1 3213 A1 3214 A1 3215 A1 3216 A2 3217 E2 3218 D2 3219 C4 3220 A2 3221 C4 3900 A4 3901 B4 3902 A4 3903 B4 3904 A4 3905 B4 3906 B4 3907 B4 3908 B1 3909 B1 3910 B1 3911 B1 4101 A1 4102 E2 4103 E2 4104 E2 4105 E...

Page 20: ...2 1kΩ 5 0 06W 3160 4822 051 30102 1kΩ 5 0 06W 3161 4822 051 30102 1kΩ 5 0 06W 3162 4822 051 30102 1kΩ 5 0 06W 3163 4822 051 30102 1kΩ 5 0 06W 3164 4822 051 30102 1kΩ 5 0 06W RESISTORS 3165 4822 051 30102 1kΩ 5 0 06W 3166 4822 051 30102 1kΩ 5 0 06W 3167 4822 051 30102 1kΩ 5 0 06W 3168 4822 051 30102 1kΩ 5 0 06W 3169 4822 051 30102 1kΩ 5 0 06W 3170 4822 051 30102 1kΩ 5 0 06W 3171 4822 051 30102 1kΩ ...

Page 21: ... 6 5 43 C D 450kHz 450kHz 450kHz 20 75kHz VStabA VStabB VStabB VStabA VStabB 10 7 MHz 10 7 MHz 35 9 Vdd Vcc1 7 23 VStabA VStabB 38 34 22 Vcc2 8 ECO6 Systems 140499 LF filter RDS MPX RDS MPX stereo clock data enable Version 1120 1 8 FM Frontend AM Frontend AM FRAME AERIAL B 1103 1101 1102 A FM MPX buffer ampl 5 Discriminator 10 7 MHz Vdd Vcc1 Vcc Vcc2 AM RF AM Osc FM Osc FM RF FM IF 1 FM IF 2 AM IF...

Page 22: ...1n 3134 22K 6105 2 HN1V02H 100n 2163 T141 7KL 1K 3144 5102 3157 100K T109 470R 3153 2130 22n 220R 3105 3142 100K 3167 120R 33p 2149 2K2 3145 1132 C PAD T103 T111 2164 470n T102 2140 15p 2139 2138 2u2 82p 2133 1u 3103 8K2 T120 4p7 2154 3156 1101USA YKD21 100K 2161 100n 5119 2119 10p T142 5123 11p 2106 3172 6106 BAS216 100n 2165 5K6 3154 3155 220R 330R 2124 33K 3176 22n WRITE EN 5114 7P MUTE P0 P1 P...

Page 23: ...sed 2 RC network serves for damping the IF filter while adjusting the other one 4 MW has to be aligned before LW Waverange Input frequency Input Tuned to Adjust Output Scope Voltmeter FM 87 5 108MHz 65 81 74 87 5 108MHz FM MW version 9kHz grid 531 1602kHz as low as possible 5 1 7V 0 5V when alternative varicap BB804 is used on pos 6130 6131 ECO6 System non Cenelec stage 3 120900 TUNER BOARD ECO6 S...

Page 24: ...10 63V RDS only RESISTORS 3101 4822 051 20333 33kΩ 5 0 1W 3102 4822 117 10837 100kΩ 1 0 1W 3103 4822 051 20822 8 2kΩ 5 0 1W 3104 4822 117 13577 330Ω 1 0 1W 3105 4822 117 11503 220Ω 5 0 1W 3132 4822 051 20479 47Ω 5 0 1W 3134 4822 051 20223 22kΩ 5 0 1W 3141 4822 117 11148 56kΩ 1 0 1W 3142 4822 100 12159 TRIMPOT 100kΩ RESISTORS 3143 4822 051 20223 22kΩ 5 0 1W RDS only 3144 4822 051 10102 1kΩ 2 0 25W ...

Page 25: ... B V Stab B V Stab A V Stab B 10 7 MHz 10 7 MHz 35 9 Vdd Vcc1 7 23 V Stab A V Stab B 38 34 22 Vcc2 8 ECO6 Systems Cenelec 140499 V Loop FM AM RF AM Osc FM IF 1 FM IF 2 LF filter MPX buffer ampl RDS MPX 5 RDS MPX stereo clock data enable Version 3 1120 AM IF 1 AM IF 2 AM AFC 1 8 AM Frontend 2 AM FRAME AERIAL B 1103 1101 1102 A FM AM FM Discriminator 10 7 MHz Vdd FM Vcc1 Vcc Vcc2 MW LW AM RF AM Osc ...

Page 26: ...4 22n USA 22n USA C PAD 1131 T141 2106 11p 20p_LW 0R 4104 0R 41xx 2165 100n 1130 C PAD 10K 3180 2150 100n BZX284 C11 6107 T102 2127 220n 2169 2n2 100K 3170 1 I 3 O 2125 560p 5109 2 G 470R 3152 2108 100p 3125 10K 3153 470R 330R 3193 T103 120R 3167 100R 3195 7 8 33K 3176 8 5122 1 2 3 4 6 5123 1 2 3 4 6 7 5110 G 2 I 1 O 3 5115 1 2 3 4 6 7 8 2 3 4 6 7 8 5119 1 2135 100n 2163 LW 7104 BC337 40 2145 220p...

Page 27: ...ce Testprogram By selecting the TUNER TEST test frequencies will be stored as preset frequencies automatically AM FRAME AERIAL FM 75Ω FM FRONTEND Birdy Filter ECO6 Sys Cenelec layout stage 6 160501 1101 B5 1102 B5 1103 C5 1110 B4 1120 A4 1130 A5 1131 C5 1132 A4 2106 B4 2107 B3 2128 A3 2129 B3 2133 C1 2138 B1 2144 B1 2162 A4 2191 B4 3142 C2 5102 C4 5103 C4 5109 B3 5110 A2 5111 A3 5112 A2 5114 A2 51...

Page 28: ...98 021 38210 820Ω 5 0 06W 3132 4822 051 20479 47Ω 5 0 1W 3134 4822 051 20223 22kΩ 5 0 1W 3135 3198 021 31020 1kΩ 5 0 06W 3137 4822 051 20223 22kΩ 5 0 1W LW only 3141 4822 117 11148 56kΩ 1 0 1W 3142 4822 100 12159 TRIMPOT 100kΩ 3143 4822 051 20223 22kΩ 5 0 1W RDS only 3144 4822 051 10102 1kΩ 2 0 25W RDS only 3145 4822 117 11449 2 2kΩ 1 0 1W 3146 4822 051 20229 22Ω 5 0 1W 3150 4822 117 10833 10kΩ 1 ...

Page 29: ...GND_B 1402 LPS 3403 820R 390R 3400 GND_B STDBY 2402 4u7 3402 47K 7400 3 GND 1 OUT 2 VS 1405 2401 4u7 TSOP2236 GND_B 1400 FE BT VK N 1 100n 4u7 2403 10K 3404 3405 100R 4u7 BC857B 7402 4u7 C C C 1 2 3 4 8239_210_88950 3444 pt 1 dd wk103 To Front Display For Low Power Standby version only 2404 2406 2405 For Provision only This assembly drawing shows all possible versions For components used in a spse...

Page 30: ... CD 3320 120R GND B CdLit SEARCH UP 1308 1K2 3307 TunerLit TapeLit AuxLit Key1Out Key1 Key0 C wOOxLit C C A B C D 100p GND B 8239_210_88920 3444 pt 1 dd wk103 To Front Display MC 50 MC 70 1313 use 3320 use 6304 use Items with 1 2 3 4 5 1 2 3 4 5 A B C A B C 60 B1 3600 A3 3601 B3 3602 B3 6600 A4 1 2 6601 B4 6602 B4 6602 LNX9A8BYBOPH 6600 33R 3601 3602 33R 6601 LNX9A8BYBOPH LightWashLit 3600 22R DIP...

Page 31: ...800 B2 2801 B3 2802 B3 4800 B2 4801 A2 5800 A2 5801 A2 5802 A2 R GND L HP_DET 1802 2802 22n 4801 2801 22n 5802 2u2 2800 22n 2u2 5801 1800 FE ST VK N 1 2 3 4 5800 2u2 1801 9 8 7 1 2 3 4 5 6 4800 TC38 8239_210_88910 3444 pt 1 dd wk103 To Combi 3139 113 3444 pt 1 dd wk 103 This assembly drawing shows all possible versions For components used in a spsecific version see schematic diagram and respective...

Page 32: ...1k2 1 1 16W 3308 4822 117 12903 1k8 1 0 063W 3309 4822 051 30272 2k7 5 0 062W 3310 4822 051 30472 4k7 5 0 062W 3311 4822 051 30103 10k 5 0 062W 3312 4822 051 30272 2k7 5 0 062W 3313 4822 051 30151 150R 5 0 062W 3314 4822 051 30221 220R 5 0 062W 3315 4822 051 30271 270R 5 0 062W 3316 4822 051 30221 220R 5 0 062W 3317 4822 051 30221 220R 5 0 062W 3318 4822 051 30221 220R 5 0 062W 3319 4822 051 30221...

Page 33: ... deck motor solenoid CONNECTOR 1706 INTERCONNECTION TO FRONT BOARD 1 CR_IN Deck sensing Chrome Tape 2 AD1 Deck sensing switches output voltage Deck EOT 3 5V DC supply 5V for deck status ADC network ref to microprocessor s supply 4 GND _P Control Oscillator Ground 5 CLK HEF4094BT shift register Clock line 6 DATA HEF4094BT shift register Data line 7 STROBE HEF4094BT shift register Strobe line CONNEC...

Page 34: ...sion CRO REC RVS REC FWD Tape Deck Motor To ETF8 Board Connector 1760 8P TAPE DECK WIRING To ETF8 Board Connector 1710 5P TAPE MECHANISM ELECTRONICS 1 Vcc 12V Pin No 08FESTVKNA Mode Switch CrO2 Switch Rec Switch FWD Rec Switch RVS Solenoid Motor 470R Photo Interrupter 2 Photo Out 3 Gnd 4 Mode Switch 5 Solenoid 6 CrO2 Switch 7 Rec Switch FWD 8 Rec Switch RVS ...

Page 35: ...e fig 2 3 RECORDED CASSETTE RECORDED CASSETTE figure 1 f Hz level dB 8dB 6dB 12 5k AR 4k 250 80 8dB f Hz level dB 8dB 6dB 10k 4k 250 100 8dB figure 2 check SBC419A 4822 397 30069 SBC420 4822 397 30071 SBC420 3150Hz SBC420 10kHz SBC419A or SBC420 SBC419A or SBC420 SBC420 CHECK RECORD PLAYBACK FREQUENCY AND DISTORTION limits see fig 1 10k Non AR 8 STAGE SHIFT REGISTER 8 BIT STORAGE REGISTER 3 STATE ...

Page 36: ... components used in a specific version see schematic and respecive parts list 3139 113 3455 pt 2 90140 dd wk204 3 4 1 2 This assembly drawing shows a summary of all possible versions For components used in a specific version see schematic and respecive parts list 3139 113 3455 pt 2 90140 dd wk204 3 4 1 2 ...

Page 37: ...2 5K6 3745 1K2 A A A M 7781 BC817 25 A 1N4148 6770 M A 1N4148 6772 A 1 2 3 4 5 6 7 7782 BC557B A A 22n BC857B 7784 2769 2n2 15K 3772 2K7 3719 56K 3743 33n 2789 VCC 10 M 2712 100p 100n P 7620 BC847B 18K 3724 A A P M EH B 1703 1 2 3796 4M7 100n 1n5 2790 3739 47K 27K 3733 A PMBT 2907 PMBT 2907 3734 27K A 33n 2747 A A 4737 4736 33R 3710 3740 47K 100p 2701 3769 22K 2795 1u 3723 18K P 7614 J111 7786 1N4...

Page 38: ...65 000 07442 Belt FR 39 9965 000 10047 Flex Socket 5pin Hort 40 2 9965 000 10048 Flex Socket 8pin Hort 40 3 9965 000 10049 Mode Switch 40 4 4822 116 83883 470R 5 0 5W 40 5 9965 000 10050 Spacer 40 6 9965 000 10051 Photo Interrupter 40 7 9965 000 07443 Box Switch 40 8 9965 000 10052 Spring Sw 61 9965 000 10053 Spring 62 9965 000 10054 Spring Note Only the parts mentioned in this list are normal ser...

Page 39: ...6 Assembly Motor 36 9965 000 12114 Belt SF 37 9965 000 07442 Belt FR 39 9965 000 12115 Flex Socket 5pin Hort 40 2 4822 265 11535 Flex Socket 8pin Hort 40 3 9965 000 10049 Mode Switch 40 4 4822 116 83883 470R 5 0 5W 40 5 9965 000 12116 Spacer 40 6 9965 000 10051 Photo Interrupter 40 7 9965 000 07443 Box Switch 40 8 9965 000 10052 Spring Sw 61 9965 000 10053 Spring 62 9965 000 10054 Spring Note Only...

Page 40: ... 20 25V 2797 4822 124 81151 22uF 50V 2798 4822 124 21732 10uF 20 25V 2799 4822 126 14305 100nF 10 16V RESISTORS 3607 4822 051 30222 2k2 5 0 062W 3608 4822 051 30273 27k 5 0 062W 3609 4822 051 30222 2k2 5 0 062W 3610 4822 051 20124 120k 5 0 1W 3611 4822 051 30222 2k2 5 0 062W 3612 4822 051 30563 56k 5 0 062W 3614 4822 051 30273 27k 5 0 062W 3624 4822 117 13632 100k 1 0 062W 3626 4822 051 30102 1k 5...

Page 41: ... 4822 051 30008 0R Jumper 0603 4730 4822 051 30008 0R Jumper 0603 4731 4822 051 30008 0R Jumper 0603 4732 4822 051 30008 0R Jumper 0603 4733 4822 051 30008 0R Jumper 0603 4734 4822 051 30008 0R Jumper 0603 4735 4822 051 30008 0R Jumper 0603 4736 4822 051 30008 0R Jumper 0603 Non AR 4737 4822 051 30008 0R Jumper 0603 Non AR 4738 4822 051 30008 0R Jumper 0603 4739 4822 051 30008 0R Jumper 0603 4741 ...

Page 42: ...9 10 Technical Remarks ...

Page 43: ...t Layout Main Board 10 6 Circuit Diagram part1 10 7 Component Layout Main Board 10 8 Circuit Diagram part2 10 9 Circuit Diagram part3 10 10 Exploded View 10 11 Mechanical Partslist 10 11 Electrical Partslist 10 12 See also separate Training Manual 3DTC 3103 785 25140 3DTC Module Basic version Layout stage 5 ...

Page 44: ... 7 Position new CD drive in its studs CHARGED CAPACITORS ON THE SERVO BOARD MAY DAMAGE THE CD DRIVE ELECTRONICS WHEN CONNECTING A NEW CDM MECHANISM THAT S WHY BESIDES THE SAFETY MEASURES LIKE SWITCH OFF POWER SUPPLY ESD PROTECTION ADDITIONAL ACTIONS MUST BE TAKEN BY THE REPAIR TECHNICIAN WARNING fig 1 Attention The laser diode of this CD drive is protected against ESD by a solder joint which short...

Page 45: ...10 3 WIRING Module WIRING CD Drive ...

Page 46: ...per Carriage 1 under clamper Carriage 2 under clamper Carriage 3 under clamper Carriage home recognition Carriage extra recognition 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 X X X X X X X X X SW 8 Function SW 7 SW 6 SW 5 SW 4 SW 3 SW 2 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Register output Switch ...

Page 47: ...1 52 57 59 60 64 1 13 5V 2 4 5 7 V4 61 2 63 51 32 34 10 11 6 14 12 7 2 3 16 13 3 2 4 10 7 6 4 VDD 5V1 3 3V KILL R KILL L not connected SICL SILD RESET Blockdiagram 3DTC 2001 11 25 Closed if carriage extra has been detected SW7 SLIDER FORWARD 5 Closed if slider moves forwards Closed if slider moves backwards SW4 and SW5 define the used carriage SW6 DRAWER OPEN CLOSE SW3 13 6 Closed if carriage is i...

Page 48: ... 2817 E5 2819 E4 2820 E4 2821 F2 2822 F4 2828 F2 2829 F3 2831 D5 2832 E2 2833 D5 2834 D1 2836 E2 2842 E4 2844 D3 2846 C2 2848 C3 2849 D3 2850 E3 2852 C4 2853 D3 2854 D3 2855 C2 2856 C3 2859 D3 2861 G7 2862 C3 2865 C3 2867 E5 2869 E5 2878 B5 2879 A4 2880 A5 2881 A5 2882 B5 2885 F6 2887 F6 2888 F5 2889 E6 2890 E5 2892 E5 2893 E7 2894 E5 2895 E5 3700 G2 3701 F2 3702 E6 3703 E6 3713 F3 3715 C6 3716 C6...

Page 49: ...QSEL from part3 7814 pin11 RW DA from part2 7800 pin61 Innersw VrefCD10 Vref Vref Vref VDD 12 1 2 5 3 4 8 14 15 10 11 6 7 16 13 9 TO SERVOPOCESSOR 7800 on PART2 FROM SIGNALPOCESSOR 7800 on PART2 Σ D2 D4 Audio signal VrefCD10 7806 BC847B 3811 82K 3812 10K 5V 1 9V 1 6V 4 7V 5V 4 7V 5V 1 6V 1 6V 1 6V 1 6V 10V 10V 0 3V 5 1V 0 3V 4 9V 4 6V 1 6V 1 6V 4 8V 1V 0V 0 8V 4 7V 0 2V 0 9V 1 6V 1 7V 2 9V 2 1V 3 ...

Page 50: ... 2817 E5 2819 E4 2820 E4 2821 F2 2822 F4 2828 F2 2829 F3 2831 D5 2832 E2 2833 D5 2834 D1 2836 E2 2842 E4 2844 D3 2846 C2 2848 C3 2849 D3 2850 E3 2852 C4 2853 D3 2854 D3 2855 C2 2856 C3 2859 D3 2861 G7 2862 C3 2865 C3 2867 E5 2869 E5 2878 B5 2879 A4 2880 A5 2881 A5 2882 B5 2885 F6 2887 F6 2888 F5 2889 E6 2890 E5 2892 E5 2893 E7 2894 E5 2895 E5 3700 G2 3701 F2 3702 E6 3703 E6 3713 F3 3715 C6 3716 C6...

Page 51: ... 4 5 6 7 8 9 10 11 H I 3 3V 4 1V V DC voltages measured in PLAY MODE with following conditions 10V 10V 5V 5V EVM V 17 4 5 6 7 FE ST VK N 19 18 9 8 14 2 11 3 12 13 16 15 1 10 SILD SICL SHR_DATA LEFT GND EBU_GND GND GNDA EBU RIGHT RAB DATA A Not Connected SW_INFO SHR_CL 5V GND GND 1803 RAB 3754 SDA SICL SILD EBU 470R 3743 DOBM 10K 3858 3860 3849 3865 TDA1308T TDA1308T 2889 220p 3765 10K 3756 22K 289...

Page 52: ...ATA _ _ Motor Driver 7815 TDA7073A VDD 12 1 2 5 3 4 8 14 15 10 11 6 7 16 13 9 2706 10u SRG8 EN1 D STB 7 14 11 13 12 9 10 1 16 8 HEF4094BT 7813 3 2 15 4 5 6 6810 6809 6808 6807 6804 6806 6805 BAS316 7x SW3 SLIDER REVERSE SLIDER FORWARD CARRIAGE EXTRA SW4 5 7 SW2 CARRIAGE NUMBER CARRIAGE HOME SW_INFO SW7 8 DRAWER OPEN CLOSE 1 3 2 CARRIAGE NUMBER SW8 6 4 8002 SW6 SW5 6 7 8 1804 EH S 1 2 3 4 5 3DTC Ma...

Page 53: ...0 06539 ASSY HOLDER RIGHT 12 9965 000 06540 ASSY CARRIAGE 1 TOP 19 9965 000 06541 ASSY GEAR STAR 48 9965 000 06542 ASSY MOTOR CARRIAGE 49 9965 000 06543 ASSY MOTOR DRAWER 53 9965 000 06544 BELT DRAWER 54 9965 000 06545 BELT CARRIAGE 57 9965 000 06546 DAMPER RUBBER REAR 58 9965 000 06547 DAMPER RUBBER FRONT 59 9305 022 30103 CD DRIVE VAM2201 03 62 9965 000 06548 ASSY CARRIAGE 2 MIDDLE 63 9965 000 0...

Page 54: ...3 18kΩ 5 0 06W 3779 4822 052 10338 3 3Ω NFR25 3780 4822 117 11503 220Ω 5 0 1W 3781 4822 051 30153 15kΩ 5 0 06W 3782 4822 051 30391 390Ω 5 0 06W 3783 4822 051 30272 2 7kΩ 5 0 06W 3784 4822 051 30153 15kΩ 5 0 06W 3786 4822 051 30221 220Ω 5 0 06W 3787 4822 117 10834 47kΩ 1 0 1W 3788 4822 051 30221 220Ω 5 0 06W 3789 4822 051 30221 220Ω 5 0 06W 3790 4822 051 20332 3 3kΩ 5 0 06W 3791 4822 051 20332 3 3k...

Page 55: ... Source Selector part 11 8 Audio Frequency Logic part 11 9 Oscillator Pre Amplifier part 11 10 Amplifier part Left Channel 11 11 Amplifier part Right Channel 11 12 Component Layout Copperside view 11 13 Componentside view 11 14 MAINS BOARD Component Layout 11 15 Circuit Diagram 11 16 Partslist 11 17 Power 2002 Module 70W Class D ...

Page 56: ... FETs require drivers which supply the gates One for the high side FET and one for the low side FET Because of the different supply voltages also an additional level shifter is necessary per driver Output filter The output filter is necessary to block the 500kHz square wave signal from the speaker It consists of a series mode coil 5101 and a capacity of approx 500nF 2116 2134 which forms a Chebych...

Page 57: ... the rising edge is generated by the level shifter mainly the pull up 3117 and the input capacity of the driver pin 13 of 7105 F The last stage in the gate driver consists of three gates in parallel for increased output current for the capacitive load afterwards comes a 22R series resistor for soft rising edges and a transistor for very fast falling edges This combination gives the best compromise...

Page 58: ...llowing parts 7121 7113 7118 7117 and 3130 RIGHT CHANNEL In case 7218 is defect replace following parts 7218 7221 7209 7228 7208 and 3205 In case 7231 is defect replace following parts 7231 7210 7235 7227 and 3243 If none of the FETs is defective the fault is most probably located in the modulator To check the operation follow the given signals General description of Oscilloscope setup The followi...

Page 59: ...idth modulated square wave the analog Audio signal is included Measurements with an analog scope will show a jitter on the falling edge The modulator frequency is still fixed to 500kHz Similar to a frequency modulation in this case the amplitude of the analog audio signal varies the pulse width the frequency defines the speed Measuringpoint G The low side driver signal Ch1 is the modulator output ...

Page 60: ...s Measuringpoint I Digital output signal Measuringpoint J The following three signals are measured after output filter 5101 with different timebases Measuringpoint K After common mode coil 5102 the audio signal is restored 11 6 Service Hints ...

Page 61: ...owing supplies 12V 5V6 5V_AMP 5V6_AMP Pre Amplifier mute circuit Adjustment of offset Square wave Oscillator Headphone Amplifier Subwoofer out Port Expander shift register Generation of 5V_CD Fan control Modulator Driver Level shifter Power FETs Protection circuits Modulator Driver Level shifter Power FETs Protection circuits Speaker relay p Chapter 11 8 Signal flow Chapter 11 10 Chapter 11 11 Cha...

Page 62: ...8301 220n 3543 3576 12K 7 8 8K2 FE BT VK N 1013 1 2 3 4 5 6 11 7 14 10 15K 3577 7500 E 22u 2541 470p 2564 15K 5V6 3560 100R 3514 1 7 14 2 3526 330K 7500 A AMP 10K 3519 3504 10K 100n 2519 470p 2577 33n 2520 2538 1n 560R 5 6 7 8 9 1K5 3500 3530 17 18 19 2 20 21 22 23 24 25 26 27 28 3 4 7508 1 10 11 12 13 14 15 16 3566 100R TDA7468D GND_A 2567 470p 2581 2u2 AMP TU_R TU_L COAX1 shield SA_IN SA_IN 5V5_...

Page 63: ... 9 D4 10 D5 11 D6 D7 12 8 GND 2 SCL 3 SDA 1 SO 13 VDD M62320FP 7406 CS0 16 15 2421 100n 1u 2403 2402 100u 6405 BAS316 1K 3433 3404 6K8 100p 2400 6402 1N4148 7410 BC857BW BC817 25W COL 7409 5V 5V6 2420 1u 4K7 3407 2408 1u 470R 3413 GND_D 39R 3430 5V 3420 2K2 3418 470R 5V_CD 1K 3432 22u 2412 39R 3425 10R 3406 3429 GND_A 3431 5K6 39R 2414 470p 2419 100p 3K3 3402 BZX384 C4V7 6400 2407 100p 2K2 3434 34...

Page 64: ...150K 3326 7315 LM317P A 1M 3324 3336 18K 6K8 470R 3345 3341 1K 3321 100n 1K 3334 2322 2313 1n 9 8 3 4 7312 D 7312 B 7324 100n 2320 2326 100p 100n 4K7 3580 2319 2333 100p 7309 BC847BW 7323 2316 100n BC857BW 7316 7321 LM317P A I O 3339 2K2 BZX384 C3V3 6300 3337 470R 2 1 150K 3325 7320 A NJM4560 3 3329 2K2 47u 2321 8 4 10K 3322 NJM4560 7320 B 5 6 7 2334 33p 3343 150R 2332 100p 5301 2300 220p 3K3 3332...

Page 65: ...139 1n5 2119 2 7105 C 5 6 1K 4 7105 A 1 7 BAS316 7105 B 3 3119 3K9 6107 10u 2114 2110 BZX384 C6V8 6106 22R 3109 1u 3117 2K2 7114 3142 1K 47p 2126 1u 2120 1K5 3140 22R 3141 1K 3146 100n 220p 2122 2128 2124 10K 3136 4 22R 3135 330u 13 12 7118 B 3 5103 7105 F 3149 4K7 18K 3144 180K 3134 470R 3148 820R 3133 7115 7119 3122 3K9 100K 3110 7113 7121 7109 100n 10K 3100 2101 5100 3120 3K9 3121 2111 10u 6108...

Page 66: ... 2203 4K7 7209 D 9 3238 10K BC857BW 7220 180K 3254 1n 2215 1K 3213 7210 2K2 3225 7 10 330n 2216 7235 E 11 3241 470R 220p 2217 7232 C 5 6 3219 18K BAS316 2n2 2220 47n 2209 6217 3262 100R 6206 BAS316 7232 E 11 10 5201 30uH 4 1 2 2229 100n 7227 1307 B 3 4 13 7 12 7223 3205 0R068 7235 F 3K9 3228 7209 E 11 10 3226 68K 2201 330u 9 8 5200 1K 3253 7232 D 2234 220n 47K 3201 7211 BC857BW 2236 1u 2205 47u BA...

Page 67: ... 3314 F10 3316 C3 3318 F4 3319 D4 3320 E4 3321 G10 3322 F10 3323 G10 3324 E4 3325 D2 3326 D4 3328 D3 3330 D2 3331 D4 3332 C3 3334 C5 3336 D3 3337 D4 3338 C4 3339 C4 3340 D3 3341 F4 3342 E10 3343 E10 3344 F10 3345 F10 3346 F10 3400 D1 3401 C1 3402 C1 3403 C1 3404 C1 3405 C2 3407 C2 3408 C2 3409 C2 3410 D1 3413 C2 3415 D2 3418 D11 3419 D11 3420 D11 3421 D11 3422 B5 3423 B5 3424 B5 3425 D1 3426 D1 34...

Page 68: ...7 3306 D9 3307 D7 3315 E7 3327 C9 3329 D9 3406 C11 3411 E2 3412 E3 3440 B2 3534 C4 3572 A4 3573 A5 5100 G11 5101 F9 5102 G8 5103 H9 5104 E7 5200 H7 5201 F6 5202 G7 5203 G5 5300 E8 5301 E10 5302 E8 5500 B1 6216 F2 6401 B7 6402 B2 6500 A8 7109 G11 7121 G10 7218 G6 7231 G5 7315 F2 7321 E2 7402 E3 8300 H11 8301 A10 8302 E4 9202 G4 9203 H4 9204 E8 9205 G10 9206 G10 9207 A11 9208 B9 9209 B8 9210 C10 921...

Page 69: ... B3 2228 B3 2230 C5 2231 B5 2232 B5 2233 B5 3200 B5 3201 D5 3202 B5 3203 D5 3204 C2 3205 D5 3206 C1 3207 B3 3211 B2 3212 B2 3213 B3 3215 B2 3217 B4 3218 B3 3219 A3 3220 B2 3221 A2 3222 B2 3223 C5 5001 C3 5202 B1 5203 B1 5204 A3 6200 D5 6201 D5 6202 B4 6204 D5 6206 A5 6207 A5 6209 A5 6210 A5 6211 D5 6212 D5 6213 B2 6215 B3 6216 B3 6217 B2 6219 B2 6220 A3 6221 B3 6222 A3 6223 B2 6224 B3 6225 B2 6226...

Page 70: ...1N4148 6200 1N4148 6211 6219 1N4148 3 4 5 6 7 1222 1210 1 2 2212 6m8 T1A6 1201 3212 4M7 4 SDKP 1206 2 5 3 6 1 1207 19372 2219 2n2 2211 T2A 3m3 1N4003 6226 2216 10u 2232 3300u OZ 1208 4 3 5 7 6 8 1 2 2224 10n MAINS_2 Vkk MAINS_2 AMP AMP PWR_DWN LOW_PWR_CTRL D2 D2 D AMP AMP 5V6_ECO LOW_PWR_CTRL NTC PWR_DWN F2 F1 Vkk 12V_RELAIS D2 D MAINS_1 MAINS_2 5V6_ECO 12V_RELAIS MAINS_1 NTC F1 F2 DISPLAY MC 77 M...

Page 71: ...554 2 2nF 5 16V 2221 4822 126 14247 1 5nF 10 50V 2222 3198 017 41050 1µF 20 10V CAPACITORS 2224 4822 124 11947 10µF 20 16V 2225 2020 012 93762 330µF 20 50V 2226 4822 126 13193 4 7nF 10 63V 2227 4822 122 33777 47pF 5 63V 2229 2222 580 15649 100nF 10 50V 2234 4822 121 42408 220nF 5 63V 2236 3198 017 41050 1µF 20 10V 2237 3198 016 31020 1nF 5 25V 2300 4822 126 13883 220pF 5 50V 2301 4822 126 13883 22...

Page 72: ... 051 30102 1kΩ 5 0 06W RESISTORS 3116 4822 051 30474 470kΩ 5 0 06W 3117 4822 051 30222 2 2kΩ 5 0 06W 3119 4822 051 30392 3 9kΩ 5 0 06W 3120 4822 051 30392 3 9kΩ 5 0 06W 3121 4822 051 30392 3 9kΩ 5 0 06W 3122 4822 051 30392 3 9kΩ 5 0 06W 3123 4822 053 11221 220Ω 5 2W 3125 4822 051 30102 1kΩ 5 0 06W 3126 4822 051 30103 10kΩ 5 0 06W 3127 4822 051 30102 1kΩ 5 0 06W 3128 4822 051 30103 10kΩ 5 0 06W 312...

Page 73: ...051 30103 10kΩ 5 0 06W 3424 4822 051 30103 10kΩ 5 0 06W 3425 2120 108 91909 39Ω 5 RESISTORS 3426 2120 108 91909 39Ω 5 3427 4822 051 30103 10kΩ 5 0 06W 3428 4822 051 30103 10kΩ 5 0 06W 3429 2120 108 91909 39Ω 5 3430 2120 108 91909 39Ω 5 3431 4822 051 30562 5 6kΩ 5 0 06W 3432 4822 051 30102 1kΩ 5 0 06W 3433 4822 051 30102 1kΩ 5 0 06W 3434 4822 051 30222 2 2kΩ 5 0 06W 3435 4822 051 30271 270Ω 5 0 06W...

Page 74: ...6 10494 FERRITE BEAD 5205 4822 157 70649 4 7µH 5300 2422 540 98542 Resonator 500kHz 5301 4822 526 10494 FERRITE BEAD 5302 2422 540 98561 Resonator 425kHz 5500 4822 146 10663 TRANSFORMER 6RG DC DC DIODES 6104 4822 130 11397 BAS316 6106 4822 130 11416 PDZ6 8B 6107 4822 130 11397 BAS316 6108 4822 130 11416 PDZ6 8B 6109 4822 130 11397 BAS316 6111 4822 130 11397 BAS316 6202 4822 130 11397 BAS316 6204 4...

Page 75: ...07 25W 7505 9340 217 70115 BC847BW 7506 4822 130 60373 BC856B 7509 9340 217 70115 BC847BW INTEGRATED CIRCUITS 7105 9350 694 90118 74LV14D 7118 9350 694 90118 74LV14D 7122 5322 209 11517 PC74HCU04T HEX INVERTER IC 7209 9350 694 90118 74LV14D 7232 5322 209 11517 PC74HCU04T HEX INVERTER IC 7235 9350 694 90118 74LV14D 7312 5322 209 11517 PC74HCU04T HEX INVERTER IC 7315 4822 209 81351 LM317MPTB 7320 48...

Page 76: ...0 00644 3300µF 20 50V RESISTORS 3200 4822 050 23303 33kΩ 1 0 6W 3201 4822 052 10478 4 7Ω 5 NFR25 3202 4822 050 23303 33kΩ 1 0 6W 3203 4822 116 52276 3 9kΩ 5 0 5W 3204 4822 053 21106 10MΩ 5 0 5W 3205 4822 116 52228 680Ω 5 0 5W 3206 4822 053 21106 10MΩ 5 0 5W 3207 4822 116 52283 4 7kΩ 5 0 5W 3211 4822 116 52219 330Ω 5 0 5W 3212 4822 111 30893 4 7MΩ 5 0 2W 3213 4822 116 83883 470Ω 5 0 16W 3215 4822 1...

Page 77: ... X spare part non spare part Y MECHANICAL PARTS 185 3139 114 71630 BRACKET 3DTC 246 3139 113 27140 FOOT RUBBER 4MM 253 3103 304 72830 PANEL LEFT 37 only 253 3103 304 72850 PANEL LEFT not for 37 254 3103 304 72840 PANEL RIGHT 37 only 254 3103 304 72860 PANEL RIGHT not for 37 255 3103 304 72800 COVER TOP 37 only 255 3103 304 72810 COVER TOP not for 37 256 3103 304 72380 PANEL REAR not for 37 256 310...

Page 78: ...08 13010 CABINET FRONT MC77 21 105 3103 308 12440 BUTTON SET 3DTC 106 3103 308 12390 COVER TRAY 3DTC 107 4822 459 11086 WORDMARK PHILIPS 124 3103 308 12420 WINDOW DISPLAY 125 3139 114 71610 LIGHTGUIDE 126 3139 114 71620 HOUSING LIGHTGUIDE 127 3139 118 15010 BUTTON SET POWER CHROME 130 3139 114 71770 BUTTON SET SOURCE 131 3103 308 12470 CAP SOURCE 133 3103 308 12450 BUTTON SET CONTROL LEFT 134 3103...

Page 79: ...386 4822 263 21092 ADAPTER PLUG 1110 4822 361 11161 KD1206PTS3 FAN 1131 3139 110 35560 FFC CABLE 19P 180mm AD FOLDED 1133 3139 110 35570 FFC CABLE 9P 100mm AD 1134 3139 110 35240 FFC CABLE 8P 280mm AD FOLDED 1135 4822 320 12752 FFC CABLE 7P 180mm 1137 3139 110 35250 FFC CABLE 4P 120mm AD 1138 3139 110 35520 FFC CABLE 19P 100mm AD 1141 4822 320 12752 FFC CABLE 7P 180mm 1142 3139 110 34610 FFC CABLE...

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Philips MC-77, Service Manual

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