Philips-HTS-2501-Service-Manual电路原理图.pdf

1 - 1HTS2501/12/94/98©Copyright 2010 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 permission of Philips.Published by RY_LYF_1130 Service Audio Printed in The Netherlands Subject to modificationDVD Home Theater SystemVersion 1.1TABLE OF CONTENTSLocation of PCB Boards . 1-2Versions Variation . 1-2Measurement Setup . 1-4Specifications . 1-3Service Aids . 1-5ESD & Safety Instruction . 1-6Lead-free soldering Information . 1-7Setting procedure & Repair Instructions. 2Disassembly Instructions & Service positions . 3Quick Start Guide . 4Block & Wiring Diagram . 5VFD+USB Board. 6Main Board . 7Power Board . 8Service ManualServiceTfswjdfServiceTfswjdfServiceMechanical Exploded view . 11Revision List . 12GBChapter3139 785 355611 - 2LOCATION OF PCB BOARDSVERSION VARIATION:REPAIR SCENARIO MATRIX:*C = Component Level RepairPOWER PCBMAIN PCBVFD PCBUSB PCBType/VersionsFeatures HTS2501Output Power - 240WOutput Power - 300WVoltage (110-240V)/12xxAUXx/94xxxxMain BoardVFD+USB BoardType/VersionsBoard in usedHTS2501Power BoardCC/12CCCC/94/98xxxxCCC/981 - 3SPECIFICATIONSPlayback mediaDVD-Video, DVD+R/+RW, DVD-R/-RW, CD-R/CD-RW, Audio CD, Video CD/SVCD, Picture CD, MP3-CD, WMA-CD, DivX-CD, USB storage deviceFile FormatAudio . .mp3, .wmaVideo . .divx, .divx ultra, .mpeg, .mpg, .wmv (simple profi le)Picture . .jpeg, .jpgAmplifierTotal output power . 240 W RMS (10% THD), . 300 W RMS (30% THD) (for:/94/98)Frequency response . 20 Hz-20 kHz /±3dBSignal-to-noise ratio . > 65 dB (CCIR) /(A-weighted)Input sensitivity .AUX . 1000 mV VideoSignal system . PAL / NTSCAudioSampling frequency .MP3 . 32 kHz, 44.1 kHz, 48 kHzWMA . 44.1 kHz, 48 kHzConstant bit rate .MP3 . 112 kbps - 320 kbpsWMA . 48 kbps - 192 kbpsRadioTuning range . FM 87.5-108 MHz (50 kHz)Signal-to-noise ratio .FM 50 dBFrequency response .FM 180 Hz-10 kHz/ ±6dBUSBCompatibility . USBClass support . UMS (USB Mass Storage Class)File system .FAT16, FAT32Maximum memory support . button on R/C.e) TV will show message as follow:Upgrade file detected Upgrade?Press PLAYto startf) Press “u” button on R/C.g) TV will show message as follow:Upgrade file detected Upgrade?Press PLAYto startUpgradingh) When the updated is complete ,the home theater automatically switch to standby. Note: when upgrade in progress, please do not unplug or switch off the device.7) How to replace the defective DVD Loadera) Remove the defective DVD Loader (see chapter 3).b) Accordingly connect DVD Loader and “CN201”, “CN203” on the top of main board as shown belowCN201CN203Setting procedure & Repair instructionCAUTION! This information is confidential and may not be distributed.Only a qualified service person should reprogram the Region Code.c) Remove solder joint on the ESD protection point.The ESD protection point on the Top side view of OPUThe Top side view of OPU Note: The ESD protection point on the Top side view of OPUmust be soldered if - the DVD Loader is OK and needs to be disconnected from connector “CN201” and “CN203” of the main board. - the defective DVD Loader is needed to be send back to supplier for failure analysis and to support back charging evidence. 8) Produce to change Tuner grid (only for /98 version)In some countries, you can switch the FM tuning grid between 50kHz and 100 kHz. Changing the tuning grid erases all preset radiostations.a) Press button on R/Cb) Press button on R/C.c) Press and hold until (50 kHz) or (100 kHz) is displayed.Note: repeaing the same action will toggle back to it previoustunning grid setting.1) Restore factory settinga) Press button on R/C.b) Select ,then press .c) Select ,then press to confirm.2) Version control change a) Open the Door,then,press “1” “5” “9” on RC.b) Press button on RC.c) TV will show message as follow:d) If current model doesnot match your set, use down arrow key on the remote to change.3) Password change a) Press button on R/C.b) Select ,then press .c) Select ,then press to confirm“0000” is default password supplied.4) Trade modela) Press button on R/C.b) Press “2” “5” “9” on R/C,VFD will display “TRA ON “ or “TRA OFF“.5) Check on software versiona) Press button on R/C.b) Select ,then press .c) Select ,then press .d) TV will show message as follow:Current model: 2501-12/94/98Version:00.07.02_0 Release:2010.06.10Region:0 Servo:62.10.00.078032: 0F.01.00.09 Risc:01.00.00.04MCU: 07.00 BootLoader: Er OKPress SETUPto exit menuCurrent model: 2501-12/94/98Version:00.07.02_0 Release:2010.06.10Region:0 Servo:62.10.00.078032: 0F.01.00.09 Risc:01.00.00.04MCU: 07.00 BootLoader: Erif current model doesnot match your set,use down arrow key on the remote to changeOK2 - 22 - 2REPAIR INSTRUCTIONGPowerSupplyNo workingAll VoltageNo OutputCheck F901Bad Causc DamageCheck BK3.3VWorking orNotCheck RequirIC901 IC904And Its conn circuitCheck D910 IC904 Q901 IC901And Its Conjoint PartBK3.3VVoltageNo Output+5.1VVoltageNo OutputCheck D902 Q901 IC901And Its Conjoint Part+12VVoltageNo OutputCheck D904 Q901 IC901And Its Conjoint Part-27VVoltageNo OutputCheck D906 Q901 IC901And Its Conjoint Part+32.5VVoltageNo OutputCheck D908 Q901 IC901And Its Conjoint PartAC1 AC2 VoltageNo OutputCheck D905 Q901 IC901 ZD903And Its Conjoint PartGPowerSupplyNo working3 - 13 - 1DISASSEMBLY INSTRUCTIONS3) Loosen 6 screws and remove the Top Cover by lifting the rear portion upwards before sliding it out towards the rear.- 4 screws “A” at the back panel as shown in figure 4.- 1 screw “B” each on the left & right side as shown in figure 5.24mmmm2Figure 2Dismantling of theTop & Front Panel Assemble1) Open the DVD Tray by using the Open/Close Button while the Set is ON and disconnect the mains supply after removing the TrayCover.Note: If this is not possible, the DVD Tray has to be open manually.Take a mini screw driver about 2mm diameter and make a marking 24mm from the tip as shown in figure 2 . Place the set on its side, insert the mini screw driver till the marking and slide it towards the left as shown in figure 1 until the Tray moves outof the Front Panel.2) Return the set to its upright position and remove the Tray Cover as shown in Figure 3 and close the tray manually by pushing it back in.Figure 1Figure 3Figure 5Dismantling of the DVD Loader Module1) Loosen 4 screws “ C “ at the DVD Loader Module as shown in figure 6.Figure 6 Figure 4PushABC