Philips-HDRW-720-Service-Manual(1) 电路图 维修手册.pdf
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1、Published by GH 0493 Service PaCEPrinted in the NetherlandsSubject to modificationEN 3122 785 14281 Copyright 2004 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 for
2、m or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips. Hard Disc/DVD-Video RecorderHDRW720/0 x, DVDR725H/0 x ContentsPageContentsPage 1Technical Specifications and Connection Facilities 2 Diversity Matrix 2 PCB Locations 5 2Safety Information,
3、General Notes 6 3Directions for Use 8 4Mechanical Instructions 39 5Diagnostic Software 42 6Block Diagrams, Waveforms, Wiring Diagram 79 Wiring Diagram 81 Waveforms 82 Testpoints 85 7Circuit Diagrams and PWB Layouts 88 Display Panel(Diagram 1) 88 Front Connector (FC)(Diagram 2) 89 Standby Panel (STBY
4、)(Diagram 3) 93 Tray Left Panel (TRL)(Diagram 4) 94 Tray Right Panel (TRR)(Diagram 5) 95 Analog Board:Fronted Video (FV)(Diagram 1) 96 Analog Board: In / Out Video (IOV)(Diagram 2) 97 Analog Board: In / Out Audio (IOA)(Diagram 3) 98 Analog Board: Power Supply (PS)(Diagram 4) 99 Analog Board: Multi S
5、ound Processing (MSP) (Diagram 5) 100 Analog Board: VPS(Diagram 6) 101 Analog Board: Follow Me (FOME)(Diagram 7) 101 Analog Board: Digital In/Out (DIGIO)(Diagram 8) 102 Analog Board: Audio Converter (DAC_ADC) (Diagram 9) 103 Power Supply Interface (PSI)(Diagram 10) 108 UP Sub Board: Central Controle
6、r (CECO)(1) (Diagram 11) 109 UP Sub Board: Fan Control (FACO)(1)(Diagram 12) 110 UP Sub Board: Central Controler (CECO)(2) (Diagram 13) 113 UP Sub Board: Fan Control (FACO)(2)(Diagram 14) 114 In/Out Extension Board (IOE)(Diagram 15) 117 DB Chrysalis F: IDE, UARTS, RESET, BE(Diagram 1) 119 DB Chrysal
7、is F: 1394(Diagram 2) 120 DB Chrysalis F: Audio PLL(Diagram 3) 121 DB Chrysalis F: Chrysalis(Diagram 4) 122 DB Chrysalis F: 1.8V Power(Diagram 5) 123 DB Chrysalis F: Prog. scan DAC(Diagram 6) 124 DB Chrysalis F: Flash SDRAM EEPROM(Diagram 7) 125 DB Chrysalis F: Video IO(Diagram 8) 126 DB Chrysalis F
8、: VIPs(Diagram 9) 127 DB Chrysalis F: Faroudja(Diagram 10) 128 DB Chrysalis F: IDE 2(Diagram 11) 129 EPG Board: MCU(Diagram 1) 133 EPG Board: GSA03(Diagram 2) 134 EPG Board: Memory(Diagram 3) 135 EPG Board: Sync Separator for System (Diagram 4) 136 EPG Board: C-Sync Separator for data (Diagram 5) 13
9、7 EPG Board: PIP Controller(Diagram 6) 138 EPG Board: Sync Adder for Y(Diagram 7) 139 EPG Board: Colour Encoder(Diagram 8) 140 EPG Board: An. switches for CVBS, Y, C (Diagram 9) 141 EPG Board: An. switches for YUV,YPbPr (Diagram 10) 142 EPG Board: Connectors(Diagram 11) 143 EPG Board: IIC Expander(D
10、iagram 12) 144 EPG Board: Power Conversions(Diagram 13) 145 8Alignments 149 9Circuit-, IC Descriptions and List of Abbreviations 152 10Spare Parts List 198 RadioFans.CN 收音机爱 好者资料库 Technical Specifications and Connection FacilitiesEN 2HDRW720/0 x, DVDR725H/0 x1. 1.Technical Specifications and Connect
11、ion Facilities 1.1Diversity Matrix 1.2General: Mains voltage: 198V-276V Mains frequency: 43 Hz - 63Hz Power consumption mains: 28 W Power consumption standby: 7 W Power consumption low power stand-by: 3 W 1.3RF Tuner Test equipment:Fluke 54200 TV Signal generator Test streams:PAL BG Philips Standard
12、 test pattern 1.3.1System: PAL B/G, PAL D/K, SECAM L/L, PAL I 1.3.2RF - Loop Through: Frequency range : 45 MHz - 860 MHz Gain: (ANT IN - ANT OUT) : -6 dB to 0dB 1.3.3Radio Interference: input voltage /3 tone method (+40 dB min) : no limit 1.3.4Receiver: PLL tuning with AFC for optimum reception Freq
13、uency range: : 45.25 MHz - 857 MHz Sensitivity at 40 dB S/N : 60dBV at 75 (video unweighted ) 1.3.5Video Performance: Channel 25 / 503,25 MHz, Test pattern: PAL BG PHILIPS standard test pattern, RF Level 74 dBV Measured on SCART 1 Frequency response: : 0 - 4.00 MHz +0-4dB Group delay ( 0.1 MHz - 4.4
14、 MHz ): 0 nsec 150nsec 1.3.6Audio Performance: Audio Performance Analogue - HiFi: Frequency response at SCART 1 (L+R) output: 100 Hz - 12 kHz / 0 3dB S/N according to DIN 45405, 7, 1967 : and PHILIPS standard test pattern video signal: : FM: 50dB; AM 45dB, unweighted Harmonic distortion ( 1 kHz, 25
15、kHz deviation ): : FM 1.5%; AM 2% Audio Performance NICAM: Frequency response at SCART 1(L+R) output: 40 Hz - 15 kHz 0 3dB S/N according to DIN 45405, 7, 1967 : and PHILIPS standard test pattern video signal: : 60 dB unweighted Harmonic distortion (1 kHz): : 0.5 % 1.3.7Tuning Automatic Search Tuning
16、 scanning time without antenna : typ. 3 min. PAL stop level (vision carrier) : 37dBV Maximum tuning error of a recalled program : 62.5 kHz Maximum tuning error during operation : 100 kHz Tuning Principle automatic B,G, I, DK and L/Ldetection HDRW720/00HDRW720/02HDRW720/05DVDR725H/00 DVDR725H/02 DVDR
17、725H/05 Front Board PBAS DC 04 E1XXXXXX Analog Board PBAS AB HDD E1XXXX PBAS AB HDD E2XX Power Supply Interface PBAS PSI SUBXXXXXX UP Sub PWB PBAS UP SUB HDD E1XXXXXX Digital Board PBAS CHRY F EF3_AV3XXXXXX In / Out Extension Board PCB ASSY IOE CST E1XXXXXX EPG Board PBAS EPG MODULE EURO XXXXXX Basi
18、c Engine VAD8031/01 (AV3)XXX VAD8041/01 (AV3.5)XXXXXX Power Supply Module AC6220 BXXXXXX RadioFans.CN 收音机爱 好者资料库 Technical Specifications and Connection FacilitiesEN 3HDRW720/0 x, DVDR725H/0 x1. manual selection in STORE mode 1.4Analogue Inputs 1.4.1SCART 1 (Connected to TV) Pin Signals: 1- Audio R
19、1.8V RMS 2- Audio R 3- Audio L 1.8V RMS 4- Audio GND 5- Blue/Chroma GND 6- Audio L 7- Blue out/ Chroma in 0.7Vpp 0.1V into 75 Ohm (*) 8- Function switch 4.5V / 9.5V / 12V = asp. ratio 4:3 DVD 9- Green GND 10- P50 control 11- Green 0.7Vpp 0.1V into 75 Ohm (*) 12- Nc 13- Red/Chroma GND 14- fast switch
20、 GND 15- Red out/ Chroma out 0.7Vpp 0.1V into 75 Ohm (*) 3dB 0.3Vpp Chroma (burst) 16- fast switch RGB/ CVBS or Y 1V / 10k Video - Cinch Input voltage: 1 Vpp 3dB Input impedance: 75 Video - YC (Hosiden) Input voltage Y: 1Vpp 3dB Input impedance Y: 75 Input voltage C: burst 300 mVpp 3 dB Input impeda
21、nce C: 75 1.5Video Performance All outputs loaded with 75 Ohm SNR measurements over full bandwidth without weighting. 1.5.1SCART (RGB) SNR: -65 dB on all output Bandwidth: 4.8 MHz 2dB 1.6Audio Performance CD 1.6.1Cinch Output Rear Output voltage 2 channel mode: 2Vrms 2dB Channel unbalance (1kHz): 95
22、dB Crosstalk 20Hz-20kHz: 85dB Frequency response 20Hz- 20kHz: 0.2dB max Signal to noise ratio: 95 dB Dynamic range 1kHz: 85dB Dynamic range 20Hz-20kHz: 80dB Distortion and noise 1kHz: 85dB Distortion and noise 20Hz-20kHz: 75dB Intermodulation distortion: 77dB Mute: 95dB Outband attenuation: 40dB abo
23、ve 30kHz 1.6.2Scart Audio Output voltage 2 channel mode: 1.6Vrms 2dB Channel unbalance (1kHz): 85dB Crosstalk 20Hz-20kHz: 70dB Frequency response 20Hz- 20kHz: 0.2dB max Signal to noise ratio: 85 dB Dynamic range 1kHz: 75dB Dynamic range 20Hz-20kHz: 70dB Distortion and noise 1kHz: 75dB Distortion and
24、 noise 20Hz-20kHz: 65dB Intermodulation distortion: 70dB Mute (spin-up, pause, access): 85dB Outband attenuation: 40dB above 25kHz RadioFans.CN 收音机爱 好者资料库 Technical Specifications and Connection FacilitiesEN 4HDRW720/0 x, DVDR725H/0 x1. 1.7Digital Output 1.7.1Coaxial CDDA/ LPCM (incl MPEG1): accordi
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