Philips-FWC-780-Service-Manual电路原理图.pdf
《Philips-FWC-780-Service-Manual电路原理图.pdf》由会员分享,可在线阅读,更多相关《Philips-FWC-780-Service-Manual电路原理图.pdf(19页珍藏版)》请在收音机爱好者资料库上搜索。
1、GBCLASS 1LASER PRODUCTCOMPACTDIGITAL AUDIOService ManualServiceServiceServiceFW-C780/22/37TABLE OF CONTENTSPageLocation of pc boards & Version variations .1-2Technical Specifications .1-3Measurement setup .1-4Service Aids, Safety Instruction, etc.1-5Instruction for use : European version excerpt.2-1
2、Disassembly Instructions & Service positions .3-1Service Test Programs .3-4Set Block diagram .4-1Set Wiring diagram .4-2Front Control Board . 5Front Display Board . 6ECO6 Tuner Board : Systems Non-Cenelec. 7AECO6 Tuner Board : Systems Cenelec. 7BETF7 ND Tape Module . 9ETF7 DB Tape Module . 9A3CDC-LC
3、-MB-DA11 Module. 10MMPWR 100W Module . 11AF9 Board . 12Set Mechanical Exploded view & parts list . 13Copyright 2000 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
4、or by any means, electronic, mechanical, photocopying, or otherwisewithout the prior permission of Philips.Published by BB 0051 Service Audio Printed in The Netherlands Subject to modificationMini System3139 785 226303-4 3-4Table 2Error codeE1000E1001E1002E1003E1005E1006E1007E1008E1020E1070E1071E107
5、9Error DescriptionFocus ErrorTriggered when the focus could not be found within a certain time when starting up the CDor when the focus is lost for a certain time during play.Radial ErrorTriggered when the radial servo is off-track for a certain time during play.Sledge In ErrorThe sledge did not rea
6、ch its inner position (inner-switch is still close) before approximately6 Sec. have passed by. Inner-switch or sledge motor problem.Sledge Out ErrorThe sledge did not come out of its inner position (inner-switch is still open) before approximately250 mSec. have passed by. Inner-switch or sledge moto
7、r problem.Jump-offtrack errorTriggered in normal play when the jump destination could not be found within a certain time.When this error occurred, software will try to recover by initiating the jump command again.If it is recoverable, the disc will continue to play.Subcode ErrorTriggered when a new
8、subcode was missing for a certain time during play.PLL ErrorThe Phase Lock Loop could not lock within a certain time.Turntable Motor ErrorGenerated when the CD could not reached 75% of speed during startup within a certain time.Discmotor problem.Focus Search ErrorThe focus point has not been found w
9、ithin a certain time.The carousel switch is not open within certain time. This can happen when either the switch isdefective and closed all the time, or when the carousel is blocked when located exactly at adisc position.The carousel position switch did not close within a certain time. This can happ
10、en when theswitch is defective and never closes electrically, or when the carousel is blocked in betweentwo disc positions. The time-out is approximately 5 Sec.The drawer could not enter the inside position is opening again. This can be caused becausethe drawer is blocked by something and cannot go
11、fully inside, or the drawer switch is defectiveand does not close.STANDBY-ONButton pressed?YNSet is in Service PLAY Mode.The Service Play Mode is intended todetect and identify the failures in the CD Mode.In this mode the electronics will still functioneven when an error is detected so thatrepair ac
12、tivities can be carried out.SERVICEPLAY MODEIn case of failures, errorcodes according to Table 2 will be displayed.Variousother TestsActivated with ACTIONTESTQEEPROM FORMATTESTLoad default data. Display shows “NEW“ for 1 second.Caution!All presets from the customer will be lost!Disconnectmains cordL
13、EAVE SERVICETESTPROGRAMR 9 to ExitEEPROM TEST A test pattern will be sent to the EEPROM.“PASS“ is displayed if the uProcessor readback the test pattern correctly, otherwise“ERROR“ will be displayed.RotaryVolume KnoborJog Shuttle KnobROTARYENCODER TESTDisplay shows value for 2 seconds.Values increase
14、s or decreases in steps of 1until 0 (Min.) or 40 (Max.) is reached.OButton pressed?YYYNNNOButton pressed?9Button pressed?Display shows12MOutput at (Front Display Board)pin 19 of uP = 2,929.6875HzDisplay shows32KOutput at (Front Display Board) pin 19 of uP = 2048HzQUARTZTESTTUNERButton pressed?Discon
15、nectMains cord ?YNNYDisplay Tuner Version “ccc“Service frequencies arecopied to the RAM (see Table 1)Tuner works normally except:PROGRAM buttonService Mode leftTUNERTESTTUNERButton pressed?NPRESET1234567891011Europe“EUR“87.5MHz108MHz531kHz1602kHz558kHz1494kHz153kHz279kHz198kHz98MHz87.5MHzEast Eur.“E
16、AS“87.5MHz108MHz531kHz1602kHz558kHz1494kHz87.5MHz87.5MHz87.5MHz87.5MHz98MHzUSA“USA“87.5MHz108MHz530kHz1700kHz560kHz1500kHz98MHz87.5MHz87.5MHz87.5MHz87.5MHzOversea“OSE“87.5MHz108MHz531/530kHz*1602/1700kHz*558/560kHz*1494/1500kHz*87.5MHz87.5MHz87.5MHz87.5MHz98MHzTable 1East Eur. Extended-band“EAS“65.8
17、1MHz108MHz74MHz87.5MHz531kHz1602kHz558kHz1494kHz98MHz70.01MHz65.81MHzNote: * Depending on the selected grid frequency (9 or 10kHz)By holding the TUNER and R buttons depressed while switching on the Mains supply, oneof the undermentioned features will be activated:- the tuning grid frequency is toggl
18、ed between 9kHz and 10kHz for the Oversea (/21) version.- the extended FM1 (65.81MHz - 74MHz) is toggled on and off for East Eur. (/34) version.YNYNYN2Button pressed?2Button pressed?9CRButton pressed?DISPLAYTESTDisplay shows Figure 1 andswitch all LEDs on (except ECOPOWER & VU Volume LEDs),and full
19、VU deflection.Display shows Figure 2and switch alternate LEDs on(see Table 3),and partial VU deflection.Figure 1Figure 2LEDsDISC 1DISC 3TAPETUNERCENTRESURROUND LEFTSTEREO RIGHTVACDBBVU BACK LIGHTVU VOLUMEFW-C500 , FW-C550OnOnOnOnOnOnOnOnFW-C700 , FW-C720FW-C780OnOnOnOnOnOnOnFW-P750OnOnOnOnOnOnOnOnOn
20、OnOnTable 3To start service test programhold “ & Auxdepressed whileplugging in the mains cordDisplay shows theROM version “S-Vyy“(Main menu)S refers to Service ModeV refers to Versionyy refers to Software version number of the Processor(counting up from 01 to 99)SERVICE TEST PROGRAMMini 2001 FW-C5xx
21、/7xx Service Test Program (dd wk0046)5-3FRONT CONTROL BOARD - CIRCUIT DIAGRAM5-3STBD1EN1SRG8VACISSTOPDpl_rightDpl_surr_RPREVWOOX_BDSCH1600 F11601 H11602 D11603 H11650 D21651 C21652 C31653 C31654 C31655 C21656 D31657 D31658 D31659 D21660 D41661 D41662 C51663 C61664 C5Dpl_surr_LAUTO REVTuner1234567123
22、4567ABCDEFGHABCDEFGS_backAuxTUNERTapeS_fwdCD1665 C71666 C51667 C41668 C41669 C41670 C61671 D61672 D61673 D51674 D51675 D41690 A11691 A32600 G52603 G52604 B42605 B42606 B22607 B22608 C72613 D62615 A4WOOX_ADpl_surr_CPLAYDBB2620 F32622 F62623 F73600 G23604 A43605 A43606 A23607 A23608 G53609 G43610 C236
23、11 C23612 C33613 C33614 C43615 C43616 C53617 C53618 C63619 C63620 C63621 E43622 E43623 E43624 E43630 C2Max/DPLDISPLAYNEXT PROGDubbing3631 D33632 D33633 D33634 C43635 D43636 D43637 D53638 D53639 D63640 D63643 G63644 G63645 G63646 H73647 H63648 G33649 F33650 F43651 G33652 H33653 H33654 H33655 H64600 G
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- PhilipsFWC780ServiceManual 电路 原理图