Philips-AZ-1837-Service-Manual(1) 电路图 维修手册.pdf

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1、 AZ1837/55/73 Copyright 2012 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 form or by any means, electronic, mechanical, photocopying, or otherwise without the prior

2、 permission of Philips. Published by LX 1231 Service Audio Printed in The Netherlands Subject to modifi cation CD Soundmachine Version 1.1 3141 785 34571 TABLE OF CONTENTS Page Specifi cations .1 Software Version Checking .2 Set Block Diagram .3-1 Set Wiring Diagram .3-2 Power Board .4 VR Board .5 L

3、CD Board .6 Main 220-240V, 50HZ Power consumption Active 12 W tuptuo rewoP2 x 1 W RMS Operating temperature range -10 C - 50 C 14 F -122 F USB playability information Compatible USB devices: memory cards (requires an additional card reader to work with this apparatus) Supported formats: MP3 bit rate

4、 (data rate): 32-320 Kbps and variable bit rate WMA v9 or earlier Directory nesting up to a maximum of 8 levels Number of albums/ folders: maximum 99 Number of tracks/titles: maximum 999 ID3 tag v2.0 or later File name in Unicode UTF8 (maximum length: 128 bytes) Unsupported formats: Empty albums: an

5、 empty album is an album that does not contain MP3/ SPECIFICATIONS 1 - 1 RadioFans.CN 收音机爱 好者资料库 1 - 2 PCBS LOCATION VERSION VARIATIONS CD DOOR POWER PCB USB PCB TOP CABINET VR PCB RIGHT CABINET CD MECHANISM DA11B3VZSS (SANYO) LCD PCB MAIN PCB RECT. PCBBOTTOM CABINET Type / Version Service policy Bo

6、ard in use /05/12/37/55/58/73/98 CBCP BSU C/MBCP REWOP CBCP RV C/MBCP NIAM C/MBCP . TCER CD MECHANISM DA11B3VZSS(SANYO) CBCP DCL CTENI BAC MOTTOB AZ1837 * TIPS: C - Component Lever Repair. Remark: M - Module Lever Repair X - Used For Europe, service policy should be OCX. M C C/M C C/M C/M M C C Radi

7、oFans.CN 收音机爱 好者资料库 SET BLOCK DIAGRAM 3 - 13 - 1 MAIN BOARD RECT. BOARD LCD BOARD VR BOARD POWER BOARD SET WIRING DIAGRAM 3 - 23 - 2 only for /55 POWER BOARD-CIRCUIT DIAGRAM 4 - 14 - 1 POWER BOARD-LAYOUT DIAGRAM TOP VIEW 4 - 24- 2 4 - 34 - 3 POWER BOARD-LAYOUT DIAGRAM BOTTOM VIEW 5 - 15 - 1 VR BOARD

8、-CIRCUIT DIAGRAM VR BOARD-LAYOUT DIAGRAM TOP VIEW 5 - 25 - 2 VR BOARD-LAYOUT DIAGRAM BOTTOM VIEW LCD BOARD-CIRCUIT DIAGRAM 6 - 16 - 1 LCD BOARD-LAYOUT DIAGRAM 6 - 26 - 2 MAIN BOARD-CIRCUIT DIAGRAM (AMP PART) 7 - 1 7 - 1 MAIN BOARD-CIRCUIT DIAGRAM (BUFFER PART) 7 -27 - 2 MAIN BOARD-CIRCUIT DIAGRAM (C

9、D PART) 7 - 37 - 3 MAIN BOARD-CIRCUIT DIAGRAM (TUNER PART) 7 - 47 - 4 MAIN BOARD-LAYOUT DIAGRAM (TOP VIEW) 7 - 5 7 - 5 MAIN BOARD-LAYOUT DIAGRAM (BOTTOM VIEW) 7 - 67 - 6 USB BOARD-CIRCUIT DIAGRAM 7 - 77 - 7 USB BOARD-LAYOUT DIAGRAM TOP VIEW 7 - 8 7 - 8 USB BOARD-LAYOUT DIAGRAM BOTTOM VIEW ? RECTIFIE

10、R BOARD-CIRCUIT DIAGRAM 7 - 9 7 - 9 RECTIFIER BOARD-LAYOUT DIAGRAM TOP VIEW 7 - 10 7 - 10 RECTIFIER BOARD-LAYOUT DIAGRAM BOTTOM VIEW 7 - 11 7 - 11 SET MECHANICAL EXPLODED VIEW 8 - 18 - 1 MECHANICAL fr Reparaturen sind Original-Ersatzteile zu verwenden. I Le norme di sicurezza esigono che lapparecchi

11、o venga rimesso nelle condizioni originali e che siano utilizzati i pezzi di ricambio identici a quelli specificati. After servicing and before returning set to customer perform a leakage current measurement test from all exposed metal parts to earth ground to assure no shock hazard exist. The leaka

12、ge current must not exceed 0.5mA. CLASS 1 LASER PRODUCT 3122 110 03420 GBWarning ! Invisible laser radiation when open. Avoid direct exposure to beam. SVarning ! Osynlig laserstrlning nr apparaten r ppnad och sprren r urkopplad. Betrakta ej strlen. SFVaroitus ! Avatussa laitteessa ja suojalukituksen

13、 ohitettaessa olet alttiina nkymttmlle laseristeilylle. l katso steeseen! DKAdvarse ! Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for strling. Caution: These servicing instructions are for use by qualified service personnel only. To reduce the risk of e

14、lectric shock do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so. 2-1 When?the?power?supply?is?being?turned?on,?you?may?not?remove?this?laser?cautions?label.?If?it?removes,?radiation?of?laser may?be?received. 2.1 ESD PROTECTION PREP

15、ARATION?OF?SERVICING Pickup?Head?consists?of?a?laser?diode?that?is?very?susceptible?to?external?static?electrocity. Although?it?operates?properly?after?replacement,?if?it?was?subject?to?electrostatic?discharge?during?replacement, its?life?might?be?shortened.?When?replacing,?use?a?conductive?mat,?sol

16、dering?iron?with?ground?wire,etc.?to protect?the?laser?diode?form?damage?by?static?electricity. And?also,?the?LSI?and?IC?are?same?as?above. Soldering?iron with?ground?wire or?ceramic?type Ground?conductive wrist?strap?for?body. Conductive?mat The?ground?resistance between?the?ground?line and?the?gro

17、und?is?less?than?10 1M 2-2 SAFTY NOTICE Plug the AC line cord directly into a 120V AC outlet (do not use an isolation transformer for this check). Use an AC voltmeter, having 5000 per volt or more sensitivity. Connect a 1500 10W resistor,paralleled by a 0.15uF 150V AC capacitor between a knomn good

18、earth ground (water pipe, conduit, etc.) and all exposed metal parts of cabinet (antennas, handle bracket, metal cabinet screwheads, metal overlays, control shafts, etc.). SAFTY PRECAUTIONS LEAKAGE CURRENT CHECK Measure the AC voltage across the 1500 resistor. The test must be conducted with the AC

19、switch on and then repeated with the AC switch off. The AC voltage indicated by the meter may not exceed 0.3V.A reading exceeding 0.3V indicates that a dangerous potential exists, the fault must be located and corrected. Repeat the above test with the DVD VIDEO PLAYER power plug reversed. NEVER RETU

20、RN A DVD VIDEO PLAYER TO THE CUSTOMER WITHOUT TAKING NECESSARY CORRECTIVE ACTION. READING SHOULD NOT EXCEED 0.3V DVD VIDEO PLAYER AC OUTLET AC VOLTMETER Test all exposed metal. Voltmeter Hook-up for Leakage Current Check 0.15uF 150V AC 1500 10W (5000 per volt or more sensitivity) Good earth ground s

21、uch as a water pipe, conduit, etc. The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electric shock to per

22、sons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance. 2-3 3-1 3-1 BLOCK DIAGRAM 4-1 4-1 WIRING DIAGRAM 5-1 5-1 CIRCUIT DIAGRAM - PART 1 5-2 5-2 CIRCUIT DIAGRAM - PART 2 6-1 6-1 LAYOUT DIAGRAM - TOP VIEW 6-2 6-2 LAYOUT DIAGRAM - BOTTOM VIEW 15 15 16 17 18 19 2021 27 11 7-1 7-1 EXPLODED VIEW DIAGRAM