Philips-HTS-3020-Service-Manual电路原理图.pdf
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1、 1 - 1 1 - 1 Copyright 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 per
2、mission of Philips.Published by RY0934 Service Audio Printed in The Netherlands Subject to modificationDVD Home Theater SystemVersion 1.1TABLE OF CONTENTSService ManualServiceTfswjdfTfswjdf3139 785 34811GBChapter LASER BEAM SAFETY PRECAUTIONS.1-2 STANDARD NOTES FOR SERVICING. .1-3 SAFETY AND IMPORTA
3、NT NOTICE.1-7 LOCATION OF PCB BOARDSVERSION VARIATION .2-1 OPERATING CONTROLS AND FUNCTIONS .2-2SPECIFICATIONS .3-1 MEASUREMENT SETUP.3-2 .SYSTEM,REGION CODE,ETC.SETTING PRODURE.3-3 RETURN UNIT TEST FLOW.3-4 MAIN UNIT REPAIR CHART.3-5 DISASSEMBLY INSTRUCTIONS .4 BLOCK WIRING DIAGRAM.5 AMPLIFIER BOAR
4、DLED + KEY BOARDDECODE BOARDPOWER BOARD.9 MECHANICAL EXPLODE VIEW PART LIST.10 REVISION LIST.11 .HTS302 0/12 /05 HTS3019/12.6 .7 .8 LASER BEAM SAFETY PRECAUTIONS This DVD player uses a pickup that emits a laser beam. Do not look directly at the laser beam coming from the pickup or allow it to strike
5、 against your skin. The laser beam is emitted from the location shown in the figure. When checking the laser diode, be sure to keep your eyes at least 30 cm away from the pickup lens when the diode is turned on. Do not look directly at the laser beam. CAUTION: Use of controls and adjustments, or doi
6、ng procedures other than those specified herein, may result in hazardous radiation exposure. CAUTION LASER RADIATION WHEN OPEN. DO NOT STARE INTO BEAM. Location: Top of DVD mechanism. Page 1 of 511 - 2STANDARD NOTES FOR SERVICING Circuit Board Indications 1. The outputpin of the 3 pin Regulator ICs
7、isindicated asshown. 2. For other ICs, pin 1 andevery fifth pin are indicated asshown. 3. The 1st pinof every male conne ctor isindicated asshown. Instructions for Connectors 1. When you connect or disconnect the FFC (Flexible Foil Connector) cable, be sure to first disconnect the AC cord. 2. FFC (F
8、lexible Foil Connector) cable should be inserted parallel into the connector, not at an angle. Pb (Lead) Free Solder When soldering, be sure to use the Pb free solder. IDENTIFICATION: Regardless of special logo (not always indicated) One must treat all sets from 1.1.2005 onwards, a ccording next rul
9、es. Important note: In fact also products a little older can also be treated in this way as long as you avoid mixing solder-alloys (leaded/ lead-free). So best to always use SAC305 and the higher temperatures belong to this. Due to lead-free technology some rules have to be respected by the workshop
10、 during a repair: Use only lead-free solder alloy Philips SAC305 with order code 0622 149 00106. If lead-free solder paste is required, please contact the manufacturer of your solder-equipment. In general use of solder paste within workshops should be avoided because paste is not easy to store and t
11、o handle. Use only adequate solder tools applicable for leadfree solder alloy. The solder tool must be able To reach at least a solder-temperature of 400C, To stabilize the adjusted temperature at the solder-tip To exchange solder-tips for different applications. Adjust your solder tool so that a te
12、mperature around 360C - 380C is reached and stabilized at the solder joint. Heating-time of the solder-joint should not exceed 4 sec. Avoid temperatures above 400C otherwise wear-out of tips will rise drastically and flux-fluid will be destroyed. To avoid wear-out of tips switch off un-used equipmen
13、t, or reduce heat. Mix of lead-free solder alloy / parts with leaded solder alloy / parts is possible but PHILIPS recommends strongly to avoid mixed solder alloy types (leaded and lead-free). If one cannot avoid, clean carefully the solder-joint from old solder alloy and re-solder with new solder al
14、loy (SAC305). Use only original spare-parts listed in the Service-Manuals. Not listed standard-material (commodities) has to be purchased at external companies. Special information for BGA-ICs:- always use the 12nc-recognizable soldering temperature profile of the specific BGA (for desoldering alway
15、s use highest lead-free Page 3 of 511 - 3temperature profile, in case of doubt) - lead free BGA-ICs will be delivered in so-called dry-packaging (sealed pack including a silica gel pack) to protect the IC against moisture. After opening, dependent of MSL-level seen on indicatorlabel in the bag, the
16、BGA-IC possibly still has to be baked dry. This will be communicated via AYS-website. Do not re-use BGAs at all. For sets produced before 1.1.2005, containing leaded soldering-tin and components, all needed spare-parts will be available till the end of the service-period. For repair of such sets not
17、hing changes. On our website www.atyourservice.ce.P you find more information to: BGA-de-/soldering (+ baking instructions) Heating-profiles of BGAs and other ICs used in Philips-sets. You will find this and more technical information within the “magazine”, chapter “workshop news”. For additional qu
18、estions please contact your local repair-helpdesk. How to Remove / Install Flat Pack-IC 1. Removal With Hot-Air Flat Pack-IC Desoldering Machine: 1. Prepare the hot-air flat pack-IC desoldering machine, then apply hot air to the Flat Pack-IC (about 5 to 6 seconds). (Fig. S-1-1) 2. Remove the flat pa
19、ck-IC with tweezers while applying the hot air. 3. Bottom of the flat pack-IC is fixed with glue to the CBA; when removing entire flat pack-IC, first apply soldering iron to center of the flat pack-IC and heat up. Then remove (glue will be melted). (Fig. S-1-6) 4. Release the flat pack-IC from the C
20、BA using tweezers. (Fig. S-1-6) CAUTION: 1. The Flat Pack-IC shape may differ by models. Use an appropriate hot-air flat pack-IC desoldering machine, whose shape matches that of the Flat Pack-IC. 2. Do not supply hot air to the chip parts around the flat pack-IC for over 6 seconds because damage to
21、the chip parts may occur. Put masking tape around the flat pack-IC to protect other parts from damage. (Fig. S-1-2) 3. The flat pack-IC on the CBA is affixed with glue, so be careful not to break or damage the foil of each pin or the solder lands under the IC when removing it. With Soldering Iron: 1
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