Philips-HTS-3371-Service-Manual电路原理图.pdf

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1、1 - 1HTS3371/94Copyright 2009 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored in a retrieval system ortransmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwisewithout the prior p

2、ermission of Philips.Published by RY0941 Service Audio Printed in The Netherlands Subject to modificationDVD Home Theater SystemVersion 1.0TABLE OF CONTENTSLocation of PCB Boards . 1-2Versions Variation . 1-2Measurement Setup . 1-4Specifications . 1-3Service Aids . 1-5ESD 50Hz switchablePower consum

3、ption . 180 WStandby power consumption . 1 WDimensions (WxHxD) . 360 x 57 x 331 (mm)Weight . 3.01 kgSpeakersSystem . full range satelliteSpeaker impedance . 4 ohm (centre), 4 ohm (front/rear)Speaker drivers .Centre/front/rear . 3” full rangeFrequency response .150 Hz 20 kHzDimensions (WxHxD) .Centre

4、 . 244 x 103 x 74 (mm)Front/rear . 103 x 203 x 71 (mm)Weight .Centre . 0.85 kgFront . 0.58 kgRear . 0.55 kgSubwooferImpedance . 4 ohmSpeaker drivers . 165 mm (6.5”) wooferFrequency response .40 Hz 150 HzDimensions (WxHxD) . 163 x 363 x 369 (mm)Weight . 4.7 KgLaser specifi cationType .Semiconductor l

5、aser GaAIAs (CD)Wave length . 645 - 665 nm (DVD),.770 - 800 nm (CD)Output power . 6 mW (DVD),.7 mW (VCD/CD)Beam divergence . 60 degrees.Specifi cations subject to change without prior notice.1 - 4LEVEL METERe.g. Sennheiser UPM550with FF-filterS/N and distortion metere.g. Sound Technology ST1700BLRDU

6、TCDUse Audio Signal Disc(replaces test disc 3)SBC429 4822 397 30184Bandpass250Hz-15kHze.g. 7122 707 48001LF Voltmetere.g. PM2534DUTRF Generator e.g. PM5326S/N and distortion metere.g. Sound Technology ST1700BUse a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19k

7、Hz, 38kHz).Ri=50Tuner FMMEASUREMENT SETUP1 - 5Service Tools:Universal Torx driver holder .4822 395 91019Torx bit T10 150mm .4822 395 50456Torx driver set T6-T20 .4822 395 50145Torx driver T10 extended .4822 395 50423Compact Disc:SBC426/426A Test disc 5 + 5A .4822 397 30096SBC442 Audio Burn-in test d

8、isc 1kHz .4822 397 30155SBC429 Audio Signals disc .4822 397 30184Dolby Pro-logic Test Disc .4822 395 10216SERVICE AIDSHANDLING CHIP COMPONENTS1 - 61 - 72 - 12 - 1System , Region Code , etc. Setting Produre1)System Reseta) Press “SETUP“ button on R/C,TV will show setup menub) Select the menu using th

9、e and on R/Cc) Go preference page to do system reset2)Region Code Changea) In open mode, press”9” “9“ “9“ “9“ on R/C,then input desired number to change region code : 1 USA 2 EU 3 AP 4 Australia ,NZ , Latam 5 Russia , INDIA 6 CHINA3)Version Control Changea) In open mode, press “1“ “5“ “9“ on R/Cb) P

10、ress “ok” button to confirmc) TV will show message as below:7) Upgrading new softwarea) Copy “software files” into a CD-Rb) Open the CD Door,then insert the CD-R program disc c) Close the CD Doord) VFD will show: “Loading“ “Erase” - erase the flash memory “Writing” about 1 minute “done “ * the syste

11、m will switch off and on again automatically.e) OSD will show:Current model HTS3371/94 Version: XX.XX.XX Release:XXXX.XX.XX region :XServo:XX.XX.XX.XX 8032:XX.XX.XX.XX RISC: XX.XX.XX.XX MCU:XX.XX If current model does not match you set use down arrow key on the remote to change OKCAUTION! This infor

12、mation is confidential and may not be distributed.Only a qualified service person should reprogram the Region Code.4)Password Changea) Press “SETUP“ button on R/C,TV will show setup menub) Select the menu using the and on R/Cc) Go preference page select “password“ to change * 000000 is default passw

13、ord supplied.5)Check on the Software Versiona) Open the CD Doorb) Press “INFO“ button on R/C c) TV will show the version on screenupgrade file detectedDo you wish to continue withthe software upgrade?OKCancelf) Select “OK”, OSD will show:upgrade in progress.V337Xplease do not unplug orswitch off the device.6)Trade modela) Press “Open/Close “ button on R/Cb) Press “2” “5” “9” on R/C,VFD will display “TRA ON “ or “TRA OFF“2 - 22 - 2REPAIR INSTRUCTIONS (ONE)2 - 32 - 3REPAIR INSTRUCTIONS (TWO)