Philips-HTS-4750-Service-Manual(1) 电路图 维修手册.pdf

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1、Published by KC-TE 0618 AV Systems Printed in the Netherlands Subject to modifi cation EN 3139 785 31600 HTS4750/93/98DVD Receiver CLASS 1 LASER PRODUCT 1 Technical Specifi cations and Connection Facilities 2 2 Measurements Setup, Service Aid fr Reparaturen sind Original-Ersatzteile zu verwenden. Si

2、cherheitsbauteile sind durch das Symbol ! markiert. I Le norme di sicurezza esigono che lapparecchio venga rimesso nelle condizioni originali e che siano utilizzati i pezzi di ricambio identici a quelli specificati. Componenty di sicurezza sono marcati con ! GB After servicing and before returning s

3、et to customer perform a leakage current measurement test from all exposed metal parts to earth ground to assure no shock hazard exist. The leakage current must not exceed 0.5mA. EN 73139 785 31600Measurements Setup, Service Aid & Lead Free Requirements2. 2.1 Lead Free Requirements Pb(Lead) Free Sol

4、der When soldering , be sure to use the pb free solder. INDENTIFICATION: Regardless of special logo (not always indicated) one must treat all sets from 1 Jan 2005 onwards, according next rules: Important note: In fact also products of year 2004 must be treated in this way as long as you avoid mixing

5、 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 during a repair: Use only lead-free solder alloy Philips SAC305 with order code 0622 149 00106. If lead-free solder

6、-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 to handle. Use only adequate solder tools applicable for lead-free solder alloy. The solder tool must be able o To re

7、ach at least a solder-temperature of 400C, o To stabilize the adjusted temperature at the solder-tip o To exchange solder-tips for different applications. Adjust your solder tool so that a temperature around 360C 380C is reached and stabilized at the solder joint. Heating- time of the solder-joint s

8、hould not exceed 4 sec. Avoid temperatures above 400C otherwise wear-out of tips will rise drastically and fl ux-fl uid will be destroyed. To avoid wear-out of tips switch off un-used equipment, or reduce heat. Mix of lead-free solder alloy / parts with leaded solder alloy / parts is possible but PH

9、ILIPS recommends strongly to avoid mixed solder alloy types (leaded and lead-free). If one cannot avoid or does not know whether product is lead- free, clean carefully the solder-joint from old solder alloy and re-solder with new solder alloy (SAC305). Use only original spare-parts listed in the Ser

10、vice-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 profi le of the specifi c BGA (for de-soldering always use the lead-free temperature profi le, in case of doub

11、t) - 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 indicator-label in the bag, the BGA-IC possibly still has to be baked dry. (MSL=Moisture Sensitivity Level

12、). This will be communicated via AYS-website. Do not re-use BGAs at all. For sets produced before 1.1.2005 (except products of 2004), containing leaded solder-alloy and components, all needed spare-parts will be available till the end of the service-period. For repair of such sets nothing changes. O

13、n our website www.atyourservice.ce.P you fi nd more information to: BGA-de-/soldering (+ baking instructions) Heating-profi les of BGAs and other ICs used in Philips-sets You will fi nd this and more technical information within the “magazine”, chapter “workshop news”. For additional questions pleas

14、e contact your local repair-helpdesk. EN 83139 785 316002.Measurements Setup, Service Aid & Lead Free Requirements 2.2 Service Hints CAUTION CHARGED CAPACITORS ON THE SERVO BOARD MAY DAMAGE THE DRIVE ELECTRONICS WHEN CONNECTING A NEW DRIVE.THATS WHY, BESIDES THE SAFETY MEASURES LIKE SWITCH OFF POWER

15、 SUPPLY ESD PROTECTION ADDITIONAL ACTIONS MUST BE TAKEN BY THE REPAIR TECHNICIAN. The following steps have to be done when replacing the defective loader : 1. Dismantling of the loader to access the ESD protection point if necessary. 2. Solder the ESD protection point*. 3. Disconnect fl exfoil cable

16、 from the defective loader. 4. Put a paper clip on the fl exfoil to short-circuit the contacts (fi g.1) 5. Replace the defective loader with a new loader. 6. Remove paperclip from the fl exfoil and connect it to the new loader. 7. Remove solder joint on the ESD protection point. ATTENTION: The laser

17、 diode of this loader is protected against ESD by a solder joint which shortcircuits the laserdiode to ground. For proper functionality of the loader this solder joint must be remove after connection loader to the set. Type 1 Type 2 (ESD protection point is accessible from top of loader) (ESD protec

18、tion point is accessible from bottom of the loader) *Only applicable for defective loader needed to be sent back to supplier for failure analysis and to support backcharging evidence. This is also applicable for all partnership workshops. EN 93139 785 31600Directions for Use3. 3 Enjoy DVD HOME THEAT

19、ER SYSTEMHTS4750 Quick Start Guide Connect Set up Enjoy 1 2 3 Whats in the box? DVD system Remote Control and 2 batteries User Manual Composite video cable Start disc playback A Insert a disc into the disc slot with the disc label facing up. EJECT B Playback will start automatically. C If the disc m

20、enu appears, use keys to select an option in the menu and press PLAY to start playback. D Press STOP x to stop playback. E Press EJECT Z to remove the disc. Note When you press PLAY button again, the playback will resume from its last stopped point. To start playback from the beginning, you have to

21、press STOP button two times to cancel the resume mode, then press PLAY button. Playback from the USB A Insert your USB device into the USB port and wait for the message to appear on the screen. B Press DISC/USB to access the contents on your USB device. C Press OK to start playback. D To stop playba

22、ck, press DISC/USB again to switch to DISC mode. You can unplug your USB device now. Playback from the portable audio/HDD player A Use the supplied MP3 direct cable to connect the headphone output jack on your portable audio/ HDD player to the MP3 DIRECT jack. B Press MP3 DIRECT on the remote contro

23、l. C Press PLAY on your portable audio/HDD player to start playback. Note You can only control the playback features using your portable audio/HDD player. Troubleshooting For more troubleshooting tips, see the user manual. No picture. Press DISC/USB button on the remote control. Check the connection

24、 to the TV and ensure the plugs are fi rmly in place. No sound. Check the speaker connections and settings. Check the audio connections and press SOURCE button to select the correct input source. The center and rear speakers operate only in multi-channel surround mode. Press SURR button to select mu

25、lti-channel surround output. The DVD system does not work. Disconnect the power cord from the power outlet for a few minutes. Reconnect the power cord and try again. 1 center, 2 front, 2 rear speakers and AV subwoofer FM wire antennaAM/MW loop antenna MP3 direct cable for portable audio player Inter

26、-connect cable 2 Power cables Need help? User Manual See the user manual that cames with your Philips DVD System Online Go to 2005 C Koninklijke Philips N.V. All rights reserved. 12 NC 3139 246 21361 1 Connect A Placement Proper speakers system placement is important to ensure optimum sound performa

27、nce. A B C C D D A Place the center speaker above or close to the TV. B Place the subwoofer on the floor, at least one metre away from the TV. C Place the front speakers at equal disctances from the TV. D Place the rear speakers at normal listening ear level. 2 Set up B Connect the radio antennas Ke

28、ep the antennas away from the electronic devices to prevent unwanted interference. FM 75 MW FM/AM ANTENNA TO AV SUBWOOFER HDMI OUT MAINS R L A B C A Connect the FM antenna to the FM jack. Extend the wire and fix its end to the wall. B Unfold the AM/MW loop antenna and fix the claw into the slot. C P

29、ush the tabs and insert the wires into the AM/MW jacks. C Connect the speakers to AV subwoofer Connect the various colored plugs from the speakers to the same colored jacks at the rear of the AV subwoofer. AV subwoofer (rear) REAR LEFT REAR RIGHT FRONT LEFT FRONT RIGHT CENTER A Finding the viewing c

30、hannel A Press STANDBY ON on the DVD system. B Press SOURCE on the DVD system until “DISC” appears on the display panel. C Turn on the TV. Use the TVs remote control to select the correct viewing channel for the DVD system. You should see the blue DVD background on the TV. Note To search for the cor

31、rect viewing channel, press the Channel Down button on the TVs remote control repeatedly (or AV, SELECT, button) until you see the blue DVD background. B Select the display language on the screen A Press SETUP. The General Setup Page appears. General Setup Page Disc Lock Display Dim Program OSD Lang

32、uage Screen Saver DivX(R) VOD Code English Espanl Brazil Por B Press to select OSD Language and press . C Use keys to select a language in the menu and press OK to confirm. D Press SETUP to exit. Note The language set here is only for the menus that are shown on the TV while operating this DVD syste

33、m, not for the DVD disc menu. There are various setup options (Audio Setup, Video Setup, Preference Setup) available on this DVD system. Refer to the user manual for more information. E Connect the DVD system to TV FM 75 MW FM/MW ANTENNA TO AV SUBWOOFER HDMI OUT MAINS R L Pb Pb rY VIDEO IN (CVBS) VI

34、DEO IN (CVBS) A Use the supplied composite video cable to connect the CVBS jack on this DVD system to the VIDEO IN jack on your TV. B Plug in the power cables from the DVD system, AV subwoofer and TV to the AC power outlets. Note It is important to connect the DVD system directly to your TV. DVD Sys

35、tem (rear) Television ( rear) F Connect the audio from TV to DVD system (optional) To hear the TV audio through this home theater system, use the red and white audio cables (not supplied) to connect the TV IN (R/L) jacks on this DVD system to the AUDIO output jacks on your TV. FM 75 MW FM/MW ANTENNA

36、 TO SUBWOOFER HDMI OUT MAINS R L AUDIO OUT AUDIO IN AUDIO OUT AUDIO OUT b Note Press TV on the remote control to get the sound output from the speakers system when watching the TV program. DVD System (rear) Television ( rear) To off-air antenna or set-top box D Connect the AV subwoofer to DVD system

37、 Use the supplied inter-connect cable to connect TO AV SUBWOOFER jack and TO DVD SYSTEM jack. Tighten the screws at the sides to secure the connection. FM 75 MW FM/MW ANTENNA TO AV SUBWOOFER HDMI OUT MAINS R L TO AV SUBWOOFER DVD System (rear) AV subwoofer (rear) DVD System (rear) 3. Directions For

38、Use The following except of the Quick Use Guide serves as an introduction to the set. The Complete Direction for the Use can be downloaded in different languages from the internet site of Philips Customer care Center: EN 103139 785 316003.Directions for Use 1 Connect A Placement Proper speakers syst

39、em placement is important to ensure optimum sound performance. A B C C D D A Place the center speaker above or close to the TV. B Place the subwoofer on the floor, at least one metre away from the TV. C Place the front speakers at equal disctances from the TV. D Place the rear speakers at normal lis

40、tening ear level. 2 Set up B Connect the radio antennas Keep the antennas away from the electronic devices to prevent unwanted interference. FM 75 MW FM/AM ANTENNA TO AV SUBWOOFER HDMI OUT MAINS R L A B C A Connect the FM antenna to the FM jack. Extend the wire and fix its end to the wall. B Unfold

41、the AM/MW loop antenna and fix the claw into the slot. C Push the tabs and insert the wires into the AM/MW jacks. C Connect the speakers to AV subwoofer Connect the various colored plugs from the speakers to the same colored jacks at the rear of the AV subwoofer. AV subwoofer (rear) REAR LEFT REAR R

42、IGHT FRONT LEFT FRONT RIGHT CENTER A Finding the viewing channel A Press STANDBY ON on the DVD system. B Press SOURCE on the DVD system until “DISC” appears on the display panel. C Turn on the TV. Use the TVs remote control to select the correct viewing channel for the DVD system. You should see the

43、 blue DVD background on the TV. Note To search for the correct viewing channel, press the Channel Down button on the TVs remote control repeatedly (or AV, SELECT, button) until you see the blue DVD background. B Select the display language on the screen A Press SETUP. The General Setup Page appears.

44、 General Setup Page Disc Lock Display Dim Program OSD Language Screen Saver DivX(R) VOD Code English Espanl Brazil Por B Press to select OSD Language and press . C Use keys to select a language in the menu and press OK to confirm. D Press SETUP to exit. Note The language set here is only for the men

45、us that are shown on the TV while operating this DVD system, not for the DVD disc menu. There are various setup options (Audio Setup, Video Setup, Preference Setup) available on this DVD system. Refer to the user manual for more information. E Connect the DVD system to TV FM 75 MW FM/MW ANTENNA TO A

46、V SUBWOOFER HDMI OUT MAINS R L Pb Pb rY VIDEO IN (CVBS) VIDEO IN (CVBS) A Use the supplied composite video cable to connect the CVBS jack on this DVD system to the VIDEO IN jack on your TV. B Plug in the power cables from the DVD system, AV subwoofer and TV to the AC power outlets. Note It is import

47、ant to connect the DVD system directly to your TV. DVD System (rear) Television ( rear) F Connect the audio from TV to DVD system (optional) To hear the TV audio through this home theater system, use the red and white audio cables (not supplied) to connect the TV IN (R/L) jacks on this DVD system to

48、 the AUDIO output jacks on your TV. FM 75 MW FM/MW ANTENNA TO SUBWOOFER HDMI OUT MAINS R L AUDIO OUT AUDIO IN AUDIO OUT AUDIO OUT b Note Press TV on the remote control to get the sound output from the speakers system when watching the TV program. DVD System (rear) Television ( rear) To off-air anten

49、na or set-top box D Connect the AV subwoofer to DVD system Use the supplied inter-connect cable to connect TO AV SUBWOOFER jack and TO DVD SYSTEM jack. Tighten the screws at the sides to secure the connection. FM 75 MW FM/MW ANTENNA TO AV SUBWOOFER HDMI OUT MAINS R L TO AV SUBWOOFER DVD System (rear) AV subwoofer (rear) DVD System (rear) 3 Enjoy DVD HOME THEATER SYSTEMHTS4750 Quick Start Guide Connect Set up Enjoy 1 2 3 Whats in the box? DVD syst