Philips-FR-975-Service-Manual(1) 电路图 维修手册.pdf

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1、Service Manual Safety regulations require that the set be restored to its original condition and that parts which are indentical with those specified be used. Copyright 1995 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. No part of this publication may be reproduce

2、d, 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 MD 0016 Service Audio Printed in the Netherlands Subject to modification PCS 102 481 3104 215 50060 TABLE OF CONTENTS

3、Page Location Boards / System info .1-2 Technical Specification .1-3 Service Tool / Measurement setup / Safety .1-4 Warning / Handling Chip components .1-5 Abbreviations .1-6 Instruction for Use . 2 Dismantling hints / Service positions . 3-1 Dismantling hints MDM Module .3-2 Wiring diagram . 3-3 Bl

4、ock diagram .4 Service Test program . 5 Front Board .6 Tuner 95 diagram .7A ECO 5 Tuner diagram .7B Multi-Channel Decoding Module .8 Mains Board .9 Mono Board .10 Exploded view .11 S-VHS Board .12 Exploded view partslist .13 Partslist Mono Board .14 DIGITALE A/V SURROUND RECEIVERFR975/00/01C/17 MX98

5、0D/37 D I G I T A LD I G I T A L DOLBY DOLBY RadioFans.CN 收音机爱 好者资料库 1-2 PCS 102 482 LOCATION OF PRINTED CIRCUIT BOARDS SYSTEM INFORMATION Features & Board in used Front colour Tuner board - Tuner 95 Tuner board - ECO 5 RDS Antenna input FM Mains cord type Mains outlet type Mains voltage Voltage sel

6、ector /00 Black x - x Coaxial 75R IEC IEC 230V - /01C Champagne - x - Coaxial 75R IEC IEC 110-127 / 220-240 x /17 Black - x - Clickfit 300R UL polarized UL polarized 120V - Type & Versions FR975 VERSION VARIATIONS ReceiverFront speaker Center speaker Surround speaker MX 980D/37 include : FR975/17 2

7、x Home Cinema Speaker 100W Home Cinema Center Speaker 100W Subwoofer FB201V/17 2 x Home Cinema Speaker 100W Tuner Board Screw Terminal MDM Board Mono 2 Board Front Board Secondary Trafo Board Mains Board Headphone & Front AV Board P50 & Subw. & Video Selector Board S-VHS Video Board RadioFans.CN 收音机

8、爱 好者资料库 1-3 PCS 102 483 SPECIFICATION FR975 General Mains voltage:230V for /00 :110-127V / 220-240 switchable only /01/01C : 120V for /17 Mains frequency: 50Hz for /00 : 50/60Hz for /01/01C : 60Hz for /17 Power concumption: 2W at stby : 3W at stby 240V/01/01C Dimension. wxhxd: 435x138x350 mm Remote

9、control: Multibrand/Universal Amplifier Output power Stereo mode (L+R): 2x100W DIN only /00/01 (1kHz,0,7%THD, 6) : 2x80W FTC only /17 (40Hz-20kHz 0,7%THD, 6) Surround mode L+R: 2x100W (1kHz,0,7%THD, 6) Center: 100W (1kHz,0,7%THD, 6) Surround Left+Right: 2x100W (1kHz,0,7%THD, 6) Distortion (5W) 1kHz:

10、 0,05% 40Hz - 20kHz: 0,2% Headphone: 6,3mm stereo jack with switch Output level: 3V EMF, 60 Crosstalk between source 1kHz: -65dB (1W) 250Hz 10kHz: -60dB Crosstalk between channels -1kHz: -55dB (1W) 250Hz 10kHz: -50dB Frequency response : 10Hz 20kHz (-3dB) Limit Power stage protection: Shortcircuit :

11、 DC (Vout 10V) for 1sec Temperature: Transformer ( 140 Celcius) : Heatsink ( 140 Celcius) Audio Selector Input sensitivity Phono: 5mV impedance 47k/220pf CD: 250mV impedance 47k CDR/TAPE: 250mV impedance 47k VCR: 250mV impedance 47k TV: 250mV impedance 47k SAT: 250mV impedance 47k 6CH / DVD: 250mV i

12、mpedance 47k FRONT AV: 250mV impedance 22k Output level CDR/TAPE: 250mV impedance 1k VCR: 250mV impedance 1k Output level (variable) Subwoofer pre-out: 800mV impedance 1k Center pre-out: 800mV impedance 1k Digital Selector Input: 2 x cinch : 2 x optical Output: 1 x cinch Video Selector - CVBS Input

13、sensitivity DVD/VCR/TV/Front AV: 1 Vpp impedance 75 Output level Monitor/VCR: 1 Vpp impedance 75 Frequency response: 50Hz ? 6MHz Video Selector - SVHS Input sensitivity DVD/VCR/TV: 1 Vpp impedance 75 Output level Monitor/VCR: 1 Vpp impedance 75 Frequency response: 50Hz ? 6MHz Tone controle Loudness

14、(volume -20dB Ref: 1kHz=0dB): 100Hz +6 dB : 10kHz +2,5 dB Tone control (Ref: 1kHz=0dB) : Bass 100Hz -9dB ?+9dB : Treble 10kHz -9dB ?+9dB Multi Channel Decoder - MDM2000 MPEG5.1 / MPEG 7.1 (7.1 downmix to 5.1) Dolby Digital (AC-3) Digital Theater Systems (DTS) Linear PCM (up to 96kHz, 24 bits resolut

15、ion) Automatic audio/data type detection (AC-3,dts,MPEG-2,PCM) Dolby Pro Logic MPEG-2 dual mono channel selection I/II Virtual Dolby Surround (422/423) Virtual MPEG Digital (522/523) Virtual Dolby Digital (522/523) Virtual DTS Surround (522/523) Multi - Front / Multi - rear / Natural Surround Digita

16、l Bass Management Parallel Stereo Downmix Four Stereo (224) Volume Control Noise Generator (test tone) Surround mode selector Delay Center and Surround Left , Surround Right Tuner - (Tuner95 & ECO5) RDS: Only in /00 FM Tuning range: 87.5 108MHz Grid: 50kHz : 100kHz only for /17 : 50 & 100kHz for /01

17、/01C* IF frequency: 10.7MHz 25kHz Aerial input: 75 coaxial : 300 clickfit only for /17 Sensitivity at 26dB S/N: 2v Selectivity at 300kHz: 55dB Image rejection: 100dB 48dB Distortion at RF=1mV,dev.75kHz: 0,8% 0,9% -3dB Limiting point: 2V Crosstalk at RF=1mV,dev.40kHz: 35dB 27dB : 22dB only for /17 MW

18、 Tuning range: 522 -1611kHz for /00 : 531 -1602kHz for/01/01C* : 530 -1700kHz for/01/01C* : 530 -1700kHz for /17 Grid: 9kHz for /00 : 9 & 10kHz for /01/01C* : 10kHz for /17 IF frequency: 450kHz 1kHz Aerial input: Frame aerial Sensitivity at 26dB S/N: 1,5mV/m 3,5mV/m Selectivity at 9kHz: 23dB 18dB IF

19、 rejection: 50dB 64dB Image rejection: 33dB 28dB Distortion at RF=50mV,m=80%: 3% LW only in /00 Tuning range: 153 - 279kHz Grid: 3kHz IF frequency: 450kHz 1kHz Aerial input: Frame aerial Sensitivity at 26dB S/N: 2,8mV/m Selectivity at 9kHz: 26dB : 24dB only for /17 IF rejection: 100dB Image rejectio

20、n: 45dB Distortion at RF=50mV,m=80%: 3%dB Values indicated are for “ECO 5 Tuner” only * Setting is software controlled RadioFans.CN 收音机爱 好者资料库 1-4 PCS 102 484 Bandpass 250Hz-15kHz e.g. 7122 707 48001 LF Voltmeter e.g. PM2534 DUT RF Generator e.g. PM5326 S/N and distortion meter e.g. Sound Technology

21、 ST1700B Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz). Ri=50 Tuner FM Bandpass 250Hz-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,L

22、W) To avoid atmospheric interference all AM-measurements have to be carried out in a Faradays 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=50 SERVICE TOOL MEASUREMENT SETUP SAFETY GB Safety regulations require tha

23、t the set be restored to its original condition and that parts which are identical with those specified be used. Safety components are marked by the symbol I Le norme di sicurezza estigono che lapparecchio venga rimesso nelle condizioni originali e che siano utilizzati i pezzi di ricambiago identici

24、 a quelli specificati. Componenty di sicurezza sono marcati con NL Veiligheidsbepalingen vereisen, dat het apparaat in zijn oorspronkeliijke toestand wordt teruggebracht en dat onderdelen, identiek aan de gespecificeerde, worden toegepast. De Veiligheidsonderdelen zijn aangeduid met het symbool SAFE

25、TY D Bei jeder Reparatur sind die geltenden Sicherheitsvor- schriften zu beachten. Der Originalzustand des Gertes darf nicht verndert werden. Fr Reparaturen sind Original- ersatzteile zu verwenden. Sicherheitsbauteile sind durch das Symbol markiert. F Les normes de scurit exigent que lappareil soit

26、remis ltat dorigine et que soient utilises les pices de rechange identiques celles spcifies. Les composants de scurit sont marqus Audio Signals Test Disc 1 . 4822 397 30184 1-5 PCS 102 485 WARNING GB WARNING All ICs and many other semiconductors are susceptible to electrostatic discharges (ESD). Car

27、eless handling during repair can reduce life drastically. When repairing, make sure that you are connected with the same potential as the mass of the set via a wristband with resistance. Keep components and tools at this potential. F ATTENTION Tous les IC et beaucoup dautres semi-conducteurs sont se

28、nsibles aux dcharges statiques (ESD). Leur longvite pourrait tre considrablement courte par le fait quaucune prcaution nst prise leur manipulation. Lors de rparations, sassurer de bien tre reli au mme potentiel que la masse de lappareil et enfileer le bracelet serti dune rsistance de scurit. Veiller

29、 ce que les composants ainsi que les outils que lon utilise soient galement ce potentiel. D WARNUNG Alle ICs und viele andere Halbleiter sind empfindlich gegenber elektrostatischen Entladungen (ESD). Unsorgfltige Behandlung im Reparaturfall kann die Lebensdauer drastisch reduzieren. Sorgen Sie dafr,

30、 da sie im Reparaturfall ber ein Puls- armband mit Widerstand mit dem Massepotential des Gertes verbunden sind. Halten Sie Bauteile und Hilfsmittel ebenfalls auf diesem Potential. NL WAARSCHUWING Alle ICs en vele andere halfgeleiders zijn gevoelig voor electrostatische ontladingen (ESD). Onzorgvuldi

31、g behandelen tijdens reparatie kan de levensduur drastisch doen vermindern. Zorg ervoor dat u tijdens reparatie via een polsband met weerstand verbonden bent met hetzelfde potentiaal als de massa van het apparaat. Houd componenten en hulpmiddelen ook op ditzelfde potentiaal. I AVVERTIMENTO Tutti IC

32、e parecchi semi-conduttori sono sensibili alle scariche statiche (ESD). La loro longevit potrebbe essere fortemente ridatta in caso di non osservazione della pi grande cauzione alla loro manipolazione. Durante le riparationi occorre quindi essere collegato allo stesso potenziale che quello della mas

33、sa delpparecchio tramite un braccialetto a resistenza. Assicurarsi che i componenti e anche gli utensili con quali si lavora siano anche a questo potenziale. ESD GB AVAILABLE ESD PROTECTION EQUIPMENT : anti-static table matlarge 1200 x650 x1.25mm4822 466 10953 small 600 x650 x1.25mm4822 466 10958 an

34、ti-static wristband4822 395 10223 connection box (3 press stud connections, 1M )4822 320 11307 extendible cable (2m, 2M , to connect wristband to connection box)4822 320 11305 connecting cable (3m, 2M , to connect table mat to connection box)4822 320 11306 earth cable (1M , to connect any product to

35、 mat or to connection box)4822 320 11308 KIT ESD3 (combining all 6 prior products - small table mat)4822 310 10671 wristband tester4822 344 13999 HANDLING CHIP COMPONENTS 1-6 A ac 0VAAC 0 Voltage ac 10VBAC 10 Voltage ac 110VBAC 110 Voltage ac 120VBAC 120 Voltage ac gndAC ground ac h1AC high voltage

36、1 ac h2AC high voltage 2 ac l1AC low voltage 1 ac l2AC low voltage 2 ac1AC voltage 1 ac2AC voltage 2 ac3AC voltage 3 amp lr onAmplifier Left - Right On amp mute c sAmplifier mute center surround amp mute c s sub Amplifier mute center surround subwoofer amp mute lrAmplifier mute Left - Right amp pdAm

37、plifier power down amp protAmplifier protection amp s onAmplifier surround On amp stbyAmplifier Standby av gndAudio ground av lAudio Left av rAudio Right A/VAudio/Video F f1Filament 1 f2Filament 2 fmuteFast mute G gnd dGround digital gnd sGround signal H hp gndHeadphone ground hp lHeadphone Left hp

38、onHeadphone On hp rHeadphone Right hstHeatsink temperature L ls cLoudspeaker Center ls gndLoudspeaker ground ls lLoudspeaker Left ls rLoudspeaker Right M mdmMulti channel Decoding Module mdm c out Center out mdm gnd ground mdm l dmix Downmix Left mdm l in Left in mdm l out Left out mdm r dmix Downmi

39、x Right mdm r in Right in mdm r out Right out mdm req request mdm rst reset mdm scl I2C clock mdm sda I2C data mdm sl out surround Left out mdm sr out surround Right out mdm sub out subwoofer out mfdMains failure detection P p gndP50 ground p p50Cinema link P50 code S s gndSurround ground sofac sclS

40、ofac I2C clock sofac1 sda1Sofac 1 I2C data1 sofac2 sda2Sofac 2 I2C data2 ss ceSource selector chipenable ss clkSource selector clock ss dataSource selector data surr pre-outSurround pre-out T tu clkTuner clock tu daTuner data tu enTuner enable tu gndTuner ground tu lTuner Left tu rTuner Right tu rds

41、Tuner RDS tu stereoTuner stereo V v gndVideo ground v sclVideo I2C clock v sdaVideo I2C data v sigVideo signal v sub surVideo subwoofer surround ABBREVIATIONS PCS 102 486 2-1 CONTROLS INSTRUCTIONS FOR USE PCS 105 701 2-2 PCS 105 702 INSTRUCTIONS FOR USE REMOTE CONTROL 2-3 PCS 105 703 REMOTE CONTROL

42、INSTRUCTIONS FOR USE 2-4 REMOTE CONTROL INSTRUCTIONS FOR USE PCS 105 704 2-5 INSTRUCTIONS FOR USE PCS 105 705 CONNECTORS 2-6 INSTRUCTIONS FOR USE PCS 105 706 CONNECTIONS 2-7 CONNECTIONS 7NSTRUCTIONS FOR USE PCS 105 707 2-8 CONNECTIONS INSTRUCTIONS FOR USE PCS 105 708 2-9 INSTRUCTIONS FOR USE PCS 105

43、 709 SYSTEM SETUP 2-10 INSTRUCTIONS FOR USE PCS 105 710 DISPLAY 2-11 INSTRUCTIONS FOR USE PCS 105 711 MENUS 2-12 MENUS INSTRUCTIONS FOR USE PCS 105 712 2-13 INSTRUCTIONS FOR USE PCS 105 713 SOURCE SELECTION 2-14 INSTRUCTIONS FOR USE PLAYBACK, RECORDING PCS 105 714 2-15 INSTRUCTIONS FOR USE PCS 105 7

44、15 SURROUND SOUND 2-16 SURROUND SOUND INSTRUCTIONS FOR USE PCS 105 716 2-17 TUNER INSTRUCTIONS FOR USE PCS 105 717 2-18 TUNER INSTRUCTIONS FOR USE PCS 105 718 2-19 TUNER INSTRUCTIONS FOR USE PCS 105 719 PCS 105 720 2-20 ADDENDUM INSTRUCTIONS FOR USE ) ) ) snapsnap Dismantling of Front 1) Remove top cover 2) Remove power rod 3) Remove 6 x screw as shown in picture 1 4) Release two snaps (left & right side front) 5) Release two snaps on the bottom side front 6) Tipp dow